Site na mmụba na-aga n'ihu nke ụkpụrụ ibi ndụ nke ndị mmadụ na mmụba na-emesi ike na mkpakọrịta anụ ụlọ, ụlọ ọrụ nri anụ ụlọ zuru ụwa ọnụ etolitela ngwa ngwa n'afọ ndị na-adịbeghị anya. A na-eji nke nta nke nta na-ele anụ ụlọ anya dị ka ndị dị mkpa n'ezinụlọ, na ahụike nri ha na ịdị mma nri ha aghọwo ihe ndị nwe anụ ụlọ na-elekwasị anya. This has promoted the continuous upgrading of pet food processing technology and equipment, putting forward higher requirements for the safety, nutrition, taste and appearance of pet food. We are committed to providing professional extruders specially designed for food production, with rich experience in pet food processing, and can provide targeted processing solutions for various types of pet food, na-enyere ụlọ ọrụ aka imeziwanye mmepụta mmepụta ihe, hụ na ngwaahịa dị mma, and gain an advantage in the fierce market competition.
This article will focus on the field of pet food, in-depth elaborating on pet food processing technology, the working principle of screw extrusion puffing, the advantages of our extruders, and the specific application of extrusion equipment in pet food production. Ọ ga-agbakwunyere paramita teknụzụ zuru ezu, nkọwa usoro na ihe mgbu ụlọ ọrụ na-atụ aka ime ka ọdịnaya dịkwuo mma, zute ihe a chọrọ n'ọnụ okwu 3000-4000 okwu, ma nye nkọwa zuru oke na ọkachamara maka ụlọ ọrụ na ndị na-arụ ọrụ na ụlọ ọrụ nri anụ ụlọ.
1. Nchịkọta nke ụlọ ọrụ nri anụ ụlọ na njirimara nhazi
1.1 Ọnọdụ ugbu a na mmepe mmepe nke ụlọ ọrụ nri anụ ụlọ
N'afọ adịbeghị anya, ahịa nri anụ ụlọ zuru ụwa ọnụ egosila usoro uto na-aga n'ihu. Ihe kpatara ya dị ka mmụba nke ọnụ ọgụgụ anụ ụlọ, nkwalite echiche oriri anụ ụlọ, na mmelite nke ndị bi na ya’ ike ịzụrụ ihe, ọchịchọ nke elu-edu, nri anụ ụlọ na-edozi ahụ ma na-arụ ọrụ anọgidewo na-arị elu. Dị ka ọnụ ọgụgụ data dị mkpa si dị, Ọnụ ahịa nri anụ ụlọ zuru ụwa ọnụ agafeela 100 ijeri US dollar, na ọ na-atụ anya ịnọgide na-enwe uto ọnụego nke 5%-8% n'ime afọ ole na ole sochirinụ. N'etiti ha, nri anụ ụlọ kpọrọ nkụ, dịka ụdị ngwaahịa kachasị ewu ewu, akaụntụ maka ihe karịrị 60% nke mkpokọta nri anụ ụlọ ahịa, sochiri ngwaahịa mkpọ mmiri, ngwaahịa mmiri ara ehi na nri anụ ụlọ.
Usoro mmepe nke ụlọ ọrụ nri anụ ụlọ na-egosipụtakarị n'akụkụ atọ: mbụ, nri na ahụike. Ndị nwe anụ ụlọ na-etinyekwu uche na nhazi nri nke nri anụ ụlọ, na ngwaahịa na eke, mmako-free, arụ ọrụ (dị ka mma ntutu isi, nri afọ, njikwa ibu) njirimara na-ewu ewu karịa; nke abụọ, diversification nke ngwaahịa ụdị. Na ịba ụba nke ụdị anụ ụlọ na mkpa onye ọ bụla nke ndị nwe anụ ụlọ, nri anụ ụlọ ejirila nke nta nke nta malite n'akụkụ nkewa, dị ka nri anụ ụlọ maka afọ dị iche iche (umu nkita, okenye nkịta, nkịta meworo agadi), ụdị dị iche iche, na ọnọdụ anụ ahụ dị iche iche; nke atọ, ọgụgụ isi na arụmọrụ nke teknụzụ nhazi. Iji gboo oke mmepụta ihe na-achọsi ike ma hụ na nkwụsi ike nke àgwà ngwaahịa, Ụlọ ọrụ na-edozi nri anụ ụlọ na-ewebata ngwa ọrụ nhazi dị elu na usoro nchịkwa nwere ọgụgụ isi iji meziwanye mmepụta mmepụta ma belata ụgwọ ọrụ..
Megide ndabere a, teknụzụ extrusion puffing, dị ka isi teknụzụ nke nhazi nri anụ ụlọ (karịsịa akọrọ nfụkasị ngwaahịa), abụrụla isi ihe iji chọpụta ogo nri anụ ụlọ na asọmpi nke ụlọ ọrụ. A na-emepụta ndị ọkachamara ọkachamara anyị maka mmepụta nri anụ ụlọ na nzaghachi maka njirimara nke ụlọ ọrụ na ọchịchọ ahịa, nke nwere ike dozie isi ihe mgbu na nhazi nri anụ ụlọ ma nyere ụlọ ọrụ aka nweta mmepụta dị elu na nke ọma.
1.2 Nhazi nke nri anụ ụlọ na njirimara nhazi ya
Nri anụ ụlọ nwere ụzọ nhazi ọkwa dị iche iche, nke enwere ike kewaa n'ime ụdị dị iche iche dịka teknụzụ nhazi, mmiri ọdịnaya, ụdị ngwaahịa na ojiji. N'etiti ha, dịka teknụzụ nhazi na ọdịnaya mmiri si dị, A na-ekewa nri anụ ụlọ ka ọ bụrụ ngwaahịa akọrọ akọrọ, ọkara mmiri ngwaahịa, ngwaahịa fụfụfụ dị nro, ngwaahịa mkpọ mmiri na nri nri (ma ọ bụ na-emeso). Ụdị nri ọ bụla nke anụ ụlọ nwere njirimara nhazi ya pụrụ iche na ihe achọrọ maka akụrụngwa, dị ka ndị a:
1.2.1 Ngwaahịa akpọrọ nkụ:
Nri anụ ụlọ kpọrọ nkụ bụ ụdị nri anụ ụlọ a na-ahụkarị, na mmiri ọdịnaya nke 10%-12%. Isi akụrụngwa ya gụnyere nri anụ, nri azụ, ọka ọka (ọka, ọka wit, osikapa), nri soybean, vitamin, mineral na ihe mgbakwunye ndị ọzọ. Usoro nhazi nke ngwaahịa akọrọ akọrọ nwere njikọ chiri anya na usoro nsị, nke na-achọ ka eji ngwa extrusion puffing hazie akụrụngwa n'ime ngwaahịa granular nwere otu nha, crisp uto na ezigbo palatability. Njirimara nke ngwaahịa akọrọ akọrọ na-adị ogologo ndụ, adaba nchekwa na njem, na ọnụ ala mmepụta ihe, nke dabara adaba maka nnukwu mmepụta na-ewu ewu n'etiti ndị nwe anụ ụlọ.
Isi ihe nhazi nke ngwaahịa akọrọ akọrọ bụ na akụrụngwa kwesịrị ịfụchapụ nke ọma, nke mere na starch dị n'ime ihe ndị ahụ bụ gelatinized zuru oke, nke na-enyere aka mgbaze na absorption nke anụ ụlọ. N'otu oge ahụ, the product needs to have a certain hardness and crispness to meet the chewing needs of pets and help clean their teeth. This puts high requirements on the extrusion pressure, temperature and screw speed of the extruder.
1.2.2 Semi-Wet Products:
Semi-wet pet food has a water content of 25%-35%, which is between dry and wet products. Its raw materials are similar to dry puffed products, but more humectants (such as propylene glycol, sorbitol) are added to maintain the softness and moisture of the product. The processing process of semi-wet products also needs puffing treatment, but the puffing degree is lower than that of dry products. The product has the characteristics of soft taste and good palatability, which is suitable for pets with poor chewing ability (such as elderly pets, sick pets).
Ihe isi ike nhazi nke ngwaahịa mmiri ara ehi na-adabere na njikwa nke ọdịnaya mmiri na mgbochi nke mmebi ngwaahịa. Ya mere, na nhazi usoro, ọ dị mkpa iji nlezianya chịkwaa okpomọkụ na iru mmiri nke njikọ ọ bụla, ma họrọ ihe nchekwa na humectants kwesịrị ekwesị iji hụ na ndụ nchekwa nke ngwaahịa ahụ dị.
1.2.3 Ngwaahịa dị nro:
Nri anụ ụlọ dị nro nwere ọdịnaya mmiri 15%-25%, nke bụ ngwaahịa n'etiti akọrọ akọrọ na ọkara mmiri ngwaahịa. Usoro nhazi ya yiri nke ngwaahịa akọrọ akọrọ, ma a na-edozi usoro na usoro extrusion iji mee ka ngwaahịa ahụ dị nro na nke na-agbanwe. Ngwaahịa dị nro na-afụ ụfụ na-ejikọta uru nke ngwaahịa akọrọ na ọkara-mmiri, na ezi palatability na mfe mgbari, nke kwesịrị ekwesị maka anụ ụlọ dị iche iche.
1.2.4 Ngwaahịa Mkpọ mmiri:
Nri anụ ụlọ nwere mkpọ mmiri nwere mmiri ọdịnaya karịa 70%, tumadi iji anu ohuru, azụ, akwukwo nri na ihe ndi ozo, nke a na-edozi site na isi nri, mkpọ, sterilization na usoro ndị ọzọ. Dị iche na ụdị ngwaahịa ndị ọzọ, Ngwaahịa mkpọ mmiri adịghị mkpa ọgwụgwọ nfụkasị ahụ, na isi njikọ nhazi ha bụ isi nri na igba ogwu. Ngwaahịa ahụ nwere njirimara nke nri bara ụba, ike palatability na elu mmiri ọdịnaya, nke dabara maka anụ ụlọ ndị na-adịghị amasị mmiri ọ drinkingụ drinkingụ ma ọ bụ chọrọ nri mgbakwunye.
Isi ihe na-edozi ngwaahịa mkpọ mmiri mmiri bụ iji hụ na ịdị ọhụrụ na nchekwa nke akụrụngwa, na ịchịkwa sterilization okpomọkụ na oge igbu nje bacteria na ngwaahịa na ịgbatị ndụ shelf. N'otu oge ahụ, it is necessary to ensure that the nutritional components of the product are not lost during the cooking and sterilization process.
1.2.5 Pet Snacks (or Treats):
Pet snacks are auxiliary food for pets, mainly used to reward pets, improve their mood and supplement nutrition. The types of pet snacks are diverse, including puffed snacks, dried meat snacks, jerky snacks, dental snacks, wdg. N'etiti ha, puffed snacks account for a large proportion, and their processing process is similar to dry puffed products, but the formula is more refined, and more flavoring agents and functional additives are added to meet the taste and functional needs of pets.
Pet snacks have high requirements for taste, appearance and functionality. Ọmụmaatụ, dental snacks need to have a certain hardness and texture to help clean the pet’s teeth and prevent dental calculus; nri nri na-achọ ntutu isi kwesịrị ịgbakwunye ihe ndị dị ka lecithin iji nyere aka melite ogo ntutu anụ ụlọ. Nke a na-achọ ka extruder nwee ezigbo mgbanwe na nhazi iji gboo mkpa nhazi nke ụdị nri dị iche iche.
Ọ dị mma ịmara na ewezuga ngwaahịa mkpọ, ọtụtụ ụdị nri anụ ụlọ nwere njikọ chiri anya na usoro nfụkasị ahụ. Ịfụ ọkụ abụghị naanị akụkụ bụ isi nke nhazi nri anụ ụlọ, ma na-emetụtakwa àgwà ya ozugbo, atọ ụtọ, oriri na-edozi ahụ na digestibility nke nri anụ ụlọ. Ya mere, ịhọrọ akụrụngwa extrusion ziri ezi na ịmara teknụzụ extrusion sayensị dị oke mkpa maka ụlọ ọrụ na-ahazi nri anụ ụlọ.
2. Isi teknụzụ nke nhazi nri anụ ụlọ: Teknụzụ na-afụ ụfụ Extrusion
Teknụzụ na-afụ ụfụ extrusion bụ teknụzụ nhazi isi na-ejikọta ngwakọta, igwakorita, kpo oku, extrusion na ịfụ ụfụ. A na-eji ya eme ihe n'ọtụtụ ebe n'ichepụta nri anụ ụlọ n'ihi uru ya nke mmepụta ihe dị elu, ezigbo ngwaahịa mma, ike mgbanwe ka akụrụngwa na mbara ngwa nso. Na nhazi nke nri anụ ụlọ, A na-ejikarị teknụzụ extrusion eme ihe iji ghọta nhịahụ nke akụrụngwa, mee ka starch gelatinize, protein protein, ma melite palatability na digestibility nke ngwaahịa. N'otu oge ahụ, ọ nwekwara ike igbu nje bacteria na-emerụ ahụ n'ime akụrụngwa, hụ na nchekwa nke nri anụ ụlọ.
2.1 Àmụmà nke ihe oriri anụ ụlọ na ihe ndị achọrọ maka ngwa extrusion
Akụrụngwa nke nri anụ ụlọ bụ ọkachamma anụ (dị ka nri anụ, nri azụ, anụ ọhụrụ), ọka ọka, nri soybean, vitamin, mineral na ihe mgbakwunye ndị ọzọ. N'etiti ha, ngwaahịa anụ maka oke oke, na-eme ka ngwaahịa ahụ nwee viscosity siri ike. Njirimara a na-ewepụta ihe pụrụ iche chọrọ maka akụrụngwa extrusion:
Ndị na-emepụta ihe na-emepụta ihe na-adịghị mma adịghị mma maka mmepụta akụ na ụba nke nri anụ ụlọ. N'ihi na otu-skru extruder nwere warara shiee nso, Ike mgbapụta na-adịghị mma na enweghị mmetụta na-ehicha onwe ya. Mgbe a na-edozi ihe viscous dị ka ngwaahịa anụ, ọ dị mfe ime ka mkpokọta ihe onwunwe, nkwụsịtụ na ngwakọta na-enweghị isi na gbọmgbọm extruder, nke ọ bụghị naanị na-emetụta mmepụta mmepụta, mana ọ na-edugakwa n'ịdị mma ngwaahịa anaghị akwụsi ike. Na mgbakwunye, onye na-ekpochapụ otu-screw extruder nwere nnukwu ike oriri mgbe ọ na-edozi ihe ndị dị elu na abụba dị elu, nke na-abawanye mmepụta ego nke ụlọ ọrụ.
Ejima-skru extruders, n'akụkụ aka nke ọzọ, nwere uru doro anya na mmepụta nri anụ ụlọ. Ha nwere oke shiee sara mbara, mmetụta mgbapụta dị irè karị na mmetụta nhicha onwe ya, nke nwere ike dozie nsogbu nke viscosity ihe onwunwe na mkpokọta. The ejima-ịghasa extruder nwere ike ịghọta edo Ịgwakọta, igwakorita na extrusion nke ihe, ọbụlagodi mgbe a na-ahazi akụrụngwa nke nwere oke abụba na ọdịnaya anụ ọhụrụ, ọ nwekwara ike hụ na mmepụta kwụsiri ike na ịdị mma ngwaahịa na-agbanwe agbanwe. Ya mere, na mmepụta nke nri anụ ụlọ n'ezie, ejima-screw extruders abụrụla ụzọ bụ isi e si enweta nri anụ ụlọ, a na-ejikwa ya n'ọtụtụ ebe na-emepụta ngwaahịa akọrọ akọrọ, ọkara mmiri ngwaahịa, ngwaahịa na-afụ ụfụ dị nro na nri anụ ụlọ.
2.2 Ụkpụrụ Ọrụ nke Screw Extrusion Puffing
Usoro ịhịa aka n'ahụ nke anụ ụlọ bụ usoro anụ ahụ na kemịkal dị mgbagwoju anya, nke na-agụnye mmekọrịta nke ọtụtụ ihe dị ka okpomọkụ, nrụgide, shii ike na oge. Ụkpụrụ ọrụ kpọmkwem bụ ndị a:
Mbụ, akụrụngwa pretreatment. Ngwa ngwa ntụ ntụ nwere ụfọdụ ego starch (karịrị 20%) na-agwakọta uniformly dị ka usoro, wee ziga ya na ngwaọrụ tempering maka ọgwụgwọ iwe ọkụ. Ebumnuche nke iwe ọkụ bụ iji dozie ọdịnaya mmiri na okpomọkụ nke ihe, nke mere na ihe nwere ike iru ezigbo ala tupu abanye extruder. N'ozuzu, mmiri ọdịnaya nke ihe mgbe tempering na-achịkwa na 10% ~ 27%, na okpomọkụ na-ebuli ka 70 ℃ 98 ℃. N'oge usoro iwe ọkụ, ihe ndị ahụ na-amịkọrọ mmiri nke ọma, nke na-enyere aka na-esote gelatinization nke starch na denaturation nke protein, ma nwekwara ike ibelata iyi nke skru na gbọmgbọm extruder.
Nke abụọ, extrusion na kpo oku. Ihe ndị na-ewe iwe ọkụ na-abanye n'ime oghere extrusion nke screw site na ngwaọrụ nri. Oghere nke ịghasa extrusion bụ nke ịghasa na gbọmgbọm, na olu nke oghere extrusion nke nta nke nta na-ebelata n'akụkụ ụzọ axis. Mgbe ịghasa na-atụgharị, ọ na-eme ka ihe ndị ahụ na-aga n'ihu na-aga n'ihu, na ihe ndị ahụ na-eji nwayọọ nwayọọ na-agbanye n'okpuru ọrụ nke ịghasa na gbọmgbọm, na nrụgide dị na oghere extrusion nke nta nke nta na-abawanye. Oke mkpakọ (Ogo nke olu nke ihe na njedebe nri na olu na njedebe extrusion) nwere ike iru 4-10, nke dịgasị iche dabere na ụdị nri anụ ụlọ na usoro nke akụrụngwa.
N'oge usoro nke ịkwanye na extruded site ịghasa, A na-edobe ihe ndị ahụ na ike ịkwa akwa na ike esemokwu. A na-emepụta ike ịkwa akwa site na mmegharị nke dị n'etiti ịghasa na gbọmgbọm ahụ, yana n'etiti ịghasa ụgbọ elu. Ọ nwere ike imebi ihe ndị ahụ, mee ka akụrụngwa na mgbakwunye na-agwakọta karịa otu, ma kwalite gelatinization nke starch na denaturation nke protein. A na-emepụta ike esemokwu n'etiti ihe na mgbidi dị n'ime nke gbọmgbọm ahụ, yana n'etiti ihe onwunwe, nke nwere ike iwepụta oke ọkụ, nke na-enyere aka ikpo ọkụ nke ihe. Na mgbakwunye, dị ka nhazi mkpa, uzuoku nwere ike isi na jaket gbọmgbọm na-asọba iji kpoo ihe ndị dị n'etiti mgbidi, nke mere na ihe ndị dị na oghere extrusion dị na ọnọdụ okpomọkụ na elu dị elu. A na-achịkwa ọnọdụ okpomọkụ dị na oghere extrusion na 120 ℃ 180 ℃, na nrụgide na-achịkwa na 2 ~ 10MPa.
Nke atọ, stachi gelatinization na protein denaturation. N'okpuru omume nke elu okpomọkụ, nnukwu nrụgide na ike ịkwa akwa, starch na ihe ndị ahụ na-amịkọrọ mmiri ma gbasaa, a na-ebibi ihe owuwu kristal, ma a na-agbanwe ya ka ọ bụrụ ọnọdụ amorphous, nke a na-akpọ starch gelatinization. Starch gelatinization nwere ike melite digestibility nke anụ ụlọ nri, n'ihi na starch gelatinized dị mfe ka e decomrated site digestive enzymes nke anu ulo. N'otu oge ahụ, starch gelatinized nwekwara ike melite viscosity na ike njikọ nke ihe, na-eme ka ngwaahịa ndị extruded nwee ọdịdị na ọdịdị dị mma.
Na mgbakwunye na starch gelatinization, protein ndị dị na ihe ndị ahụ ga-enwetakwa denaturation n'okpuru omume nke okpomọkụ dị elu na nrụgide dị elu. Protein denaturation refers to the change of the spatial structure of protein molecules without changing the primary structure, which can improve the solubility and digestibility of protein, and make the pet food have better palatability. N'otu oge ahụ, the denatured protein can also form a network structure, which can wrap the starch and other components, helping to maintain the shape of the puffed product.
Nke anọ, puffing and shaping. When the materials in the high-temperature and high-pressure state are pushed to the die head by the screw and extruded from the die hole at a high speed, the temperature and pressure of the materials drop sharply because they suddenly leave the extrusion cavity and enter the normal atmospheric environment. Under the combined action of pressure difference and temperature difference, the water in the materials evaporates rapidly, the volume of the materials expands rapidly (the expansion rate can reach 2～8 times), and the materials are dehydrated and solidified quickly to form a porous, crisp or soft puffed product.
After extrusion from the die hole, the puffed materials are cut into short particles of uniform length by the cutting device (rotary knife) installed at the die head. The length of the particles can be adjusted by changing the speed of the rotary knife to meet the requirements of different types of pet food. Ọmụmaatụ, the particles of puppy food are smaller and shorter, while the particles of adult dog food are larger and longer.
Fifth, post-processing. The extruded puffed particles need to go through post-processing links such as drying, jụrụ oyi, seasoning and packaging to become the final pet food products. Drying is to reduce the water content of the particles to the standard range (10%-12% for dry products), so as to extend the shelf life of the product. Cooling is to reduce the temperature of the dried particles to room temperature, prevent the product from caking and deteriorating. Seasoning is to spray flavoring agents, attractants and other additives on the surface of the particles to improve the palatability of the product. Packaging is to pack the seasoned particles into bags or cans to ensure the hygiene and safety of the product and facilitate storage and transportation.
2.3 Key Factors Affecting Screw Extrusion Puffing Effect
The effect of screw extrusion puffing directly affects the quality of pet food. There are many factors affecting the puffing effect, mainly including raw material characteristics, tempering parameters, extrusion parameters and die head structure. Mastering these key factors and making scientific adjustments can ensure the stability of the puffing effect and the consistency of product quality.
2.3.1 Raw Material Characteristics:
The type, particle size, moisture content and nutritional composition of raw materials have a great impact on the puffing effect. Ọmụmaatụ, the starch content of raw materials directly affects the expansion rate of the product. The higher the starch content (within a certain range), the better the puffing effect, and the larger the expansion rate of the product. The particle size of raw materials should be uniform, generally 80-100 ntupu. If the particle size is too large, the materials are not easy to be mixed uniformly and plasticized fully, which affects the puffing effect; if the particle size is too small, it is easy to cause material blockage and increase energy consumption. The moisture content of raw materials before tempering should be controlled at 8%-12%. Ọ bụrụ na ọdịnaya mmiri dị oke elu, the materials are easy to stick to the screw and barrel, affecting the extrusion and puffing; if the moisture content is too low, the shear force and friction force between the materials are insufficient, and the starch gelatinization is incomplete, resulting in poor puffing effect.
2.3.2 Tempering Parameters:
Tempering parameters mainly include tempering temperature, tempering time and moisture content after tempering. The tempering temperature is generally 70～98℃. If the tempering temperature is too low, the materials cannot absorb water evenly, and the starch gelatinization is insufficient; if the tempering temperature is too high, the materials may be caked in advance, affecting the subsequent extrusion. The tempering time is generally 2-5 nkeji, which should be adjusted according to the type of raw materials and the moisture content. The moisture content after tempering is 10%～27%, which varies according to the type of pet food. Ọmụmaatụ, the moisture content of dry puffed products after tempering is generally 15%-20%, while that of semi-wet products is 22%-27%.
2.3.3 Extrusion Parameters:
Extrusion parameters are the most important factors affecting the puffing effect, mainly including screw speed, extrusion temperature and extrusion pressure. Screw speed generally ranges from 100 ka 600 rpm. The higher the screw speed, the greater the shear force and friction force received by the materials, the higher the extrusion temperature and pressure, and the better the puffing effect. Agbanyeghị, if the screw speed is too high, the residence time of the materials in the extrusion cavity is too short, resulting in incomplete starch gelatinization and uneven mixing; if the screw speed is too low, the shear force and friction force are insufficient, and the puffing effect is poor.
Extrusion temperature is generally controlled at 120～180℃, which is divided into three sections: ngalaba nri, melting section and homogenizing section. The temperature of the feeding section is lower (70～90℃), which is mainly to prevent the materials from caking and ensure the smooth feeding; the temperature of the melting section is medium (120～150℃), which is mainly to promote the melting and plasticization of the materials; the temperature of the homogenizing section is higher (150～180℃), which is mainly to ensure the uniform mixing and full gelatinization of the materials.
Extrusion pressure is generally 2～10MPa. The pressure in the extrusion cavity is mainly determined by the compression ratio of the screw, the die hole size and the screw speed. The higher the extrusion pressure, the better the puffing effect, but if the pressure is too high, it will increase the energy consumption and wear of the equipment; if the pressure is too low, the puffing effect is poor, and the product is loose and easy to break.
2.3.4 Die Head Structure:
The die head structure mainly includes the number, shape and size of die holes. The shape of the die hole determines the cross-sectional shape of the puffed product, such as circular, square, triangular and other shapes. The size of the die hole determines the initial diameter of the product. The smaller the die hole size, the greater the extrusion pressure, and the better the puffing effect, but the production capacity will be reduced. The number of die holes affects the production capacity. The more the number of die holes, the higher the production capacity, but it is necessary to ensure that the pressure distribution is uniform, so as to avoid uneven puffing of the product.
3. Our Extruders: Advantages and Product Series for Pet Food Production
We have long been engaged in the research, development and production of food-grade extruders, and have developed a series of twin-screw extruders specially suitable for pet food production according to the characteristics of pet food processing and the needs of enterprises. Our extruders have the advantages of low operating cost, oke ngwa ngwa, advanced technology and reliable process control, which can meet the processing needs of various types of pet food and help enterprises improve production efficiency and product quality.
3.1 Main Advantages of Our Extruders
3.1.1 Low Lifetime Operating Cost:
We focus on the durability and economy of the equipment, and adopt high-quality materials and advanced manufacturing technology to ensure that the extruder has a long service life and low operating cost. The inner wall of the barrel is made of high-quality wear-resistant alloy steel, which has extremely strong wear resistance and can effectively resist the wear caused by the friction between the materials (especially the materials containing hard particles such as bone meal) and the barrel. This greatly extends the service life of the barrel, reducing the frequency of barrel replacement and the maintenance cost of the equipment.
Na mgbakwunye, we also provide professional barrel wear measurement services. Our technical team will regularly or irregularly detect the wear of the barrel for customers, accurately judge the wear degree of the barrel, and provide professional suggestions on barrel replacement. This ensures that customers only replace the barrel when it is really needed, avoiding unnecessary waste and reducing the operating cost of the equipment. N'otu oge ahụ, the screw of our extruder is also made of wear-resistant alloy steel, which has good corrosion resistance and wear resistance, and can adapt to the processing of high-fat, high-protein and high-salt raw materials.
3.1.2 Oke ngwa ngwa:
Our twin-screw extruders have strong adaptability and can meet the processing needs of various types of pet food, including dry puffed products, ọkara mmiri ngwaahịa, ngwaahịa fụfụfụ dị nro, pet snacks and other products. The extruder is equipped with a high-torque drive system, variable screw speed and pressure variable control device, which provides excellent flexibility for customers, and can be adjusted according to different process requirements and raw material formulas to achieve the best processing effect.
The modular design of the extruder is another major feature that expands its application range. The screw, gbọmgbọm, die head and other components of the extruder adopt a modular design, which can be freely combined and replaced according to the customer’s specific application needs. Ọmụmaatụ, when processing dry puffed products, customers can choose a screw with a high compression ratio and a die head with small die holes; when processing semi-wet products, they can choose a screw with a medium compression ratio and a die head with large die holes. This modular design not only improves the flexibility and adaptability of the equipment, but also reduces the cost of equipment transformation when customers adjust their product types.
3.1.3 Advanced Technology and Reliable Process Control:
Our extruders adopt the most advanced intelligent control technology, which can realize the precise control of the entire processing process, ensuring the consistency of the final product quality. The extruder is equipped with an intelligent formula memory system, which can store multiple sets of product formulas and processing parameters. When customers produce different products, they only need to call the corresponding formula and parameters, without repeated debugging, which not only saves time and improves production efficiency, but also maximizes the reduction of process errors and operator errors.
The intelligent control system also has real-time monitoring and alarm functions. It can monitor key parameters such as extrusion temperature, extrusion nrụgide, ịghasa ọsọ, material moisture content and production capacity in real time. If any parameter exceeds the set range, the system will issue an alarm prompt in time, and even automatically shut down the equipment if necessary, to avoid equipment failure and product quality problems. Na mgbakwunye, the control system adopts a touch screen operation interface, which is simple and intuitive, easy to operate, and can reduce the professional requirements for operators.
3.1.4 Good Product Quality Stability:
Due to the advanced intelligent control system, uniform mixing and full plasticization of materials, the products processed by our extruders have stable quality. The particle size, udi, isi ike, crispness and nutritional composition of the products are uniform, which can meet the strict quality requirements of pet food. N'otu oge ahụ, the extrusion puffing process can effectively kill harmful bacteria in the raw materials (such as Salmonella, Escherichia coli), with a sterilization rate of more than 99%, ensuring the safety of pet food and reducing the risk of pet food safety incidents.
3.1.5 Ịmepụta arụmọrụ dị elu:
Anyị ejima-ịghasa extruders nwere elu mmepụta arụmọrụ, nke dị elu karịa nke ndị na-ebupụ otu-screw. The mmepụta ike nke extruders anyị sitere na 100kg / h na 2000kg / h., nke nwere ike izute mkpa mmepụta nke ọnụ ọgụgụ dị iche iche nke ụlọ ọrụ (obere, ọkara na nnukwu). The elu-torque mbanye usoro na kacha ịghasa imewe nke extruder nwere ike n'ụzọ dị irè na-mma n'ibufe ikike na plasticization arụmọrụ nke ihe., ibelata oge obibi nke ihe na oghere extrusion na imeziwanye mmepụta mmepụta ihe. Na mgbakwunye, ọrụ nhicha onwe onye nke ejima-screw extruder nwere ike ibelata oge nhicha na mmezi akụrụngwa, n'ihu na-emeziwanye mmepụta mmepụta ihe.
3.2 HTS BASIC Series Extruders: Nhọrọ dị ọnụ ahịa maka ụlọ ọrụ nri anụ ụlọ
The HTS BASIC series extruders are a cost-effective product series independently developed by us, which are specially designed for pet food processing enterprises with medium and small production scales or initial entry into the industry. This series of extruders uses medium-torque gearboxes from leading European manufacturers, which have the advantages of stable performance, obere mkpọtụ, high efficiency and long service life. The medium-torque design can meet the processing needs of most pet food (such as dry puffed dog food, cat food, pet snacks), and at the same time, it has a reasonable price, which can help enterprises reduce the initial investment cost.
N'ihe gbasara nhazi nhazi, the HTS BASIC series extruders adopt a twin-screw parallel structure, with a screw diameter ranging from 30mm to 65mm, and a compression ratio of 4～8, which can be adjusted according to the type of pet food. The barrel is made of wear-resistant alloy steel, na ihe eji eme ọkụ na-ekpo ọkụ na usoro jụrụ oyi, which can accurately control the temperature of each section of the barrel. The screw is made of wear-resistant and corrosion-resistant alloy steel,经过 ezigbo igwe na ọgwụgwọ okpomọkụ, which has good wear resistance and corrosion resistance.
N'ihe gbasara paramita arụmọrụ, the HTS BASIC series extruders have a screw speed range of 150～500 rpm, which can be steplessly adjusted. The extrusion temperature can be controlled at 120～170℃, and the extrusion pressure can be controlled at 2～8MPa. The production capacity of this series of extruders ranges from 100kg/h to 500kg/h, which is suitable for medium and small-sized pet food processing enterprises. The extruder is equipped with a PLC control system and a touch screen operation interface, which is simple and easy to operate. It can realize the automatic control of the production process, such as automatic feeding, automatic temperature control, automatic pressure control and automatic cutting.
One of the biggest advantages of the HTS BASIC series extruders is that they can provide flexible options through different configuration combinations. Customers can choose different screw types, nwuo isi, feeding devices, tempering devices and post-processing equipment according to their own product types, production capacity and budget, so as to form a production line suitable for their own needs. Ọmụmaatụ, if a customer mainly produces dry puffed dog food, they can choose a screw with a high compression ratio, a circular die head, a high-efficiency tempering device and a drying cooling line; if a customer mainly produces pet snacks, they can choose a screw with a medium compression ratio, a special-shaped die head and a seasoning line.
Na mgbakwunye, the HTS BASIC series extruders have the advantages of easy maintenance and low maintenance cost. The modular design of the equipment makes the replacement of components (such as screw, gbọmgbọm, nwuo isi) more convenient and quick. Our after-sales service team will provide professional installation, commissioning and training services for customers, ensuring that customers can use the equipment smoothly. N'otu oge ahụ, we also provide a complete range of spare parts supply services, which can quickly provide customers with the required spare parts, reducing the downtime of the equipment.
3.3 Selection Suggestions for Pet Food Extruders
When selecting extruders for pet food production, enterprises need to comprehensively consider their own production needs, product types, budget and other factors to ensure that the selected equipment can meet the actual production needs and bring maximum economic benefits. The following are some specific selection suggestions:
3.3.1 Determine the Type of Extruder According to Product Types:
Different types of pet food have different requirements for extruders. Ọmụmaatụ, dry puffed products require extruders with high compression ratio, high extrusion temperature and pressure; semi-wet products require extruders with medium compression ratio and moderate extrusion temperature and pressure; pet snacks require extruders with good flexibility and adjustability. Enterprises should select the appropriate extruder type (twin-screw extruder is preferred) and configuration according to the main product types they produce.
3.3.2 Determine the Production Capacity of the Extruder According to the Production Scale:
Enterprises should select the extruder with appropriate production capacity according to their own production scale and market demand. If the production scale is small (daily output less than 1 ton), the HTS BASIC series extruders with production capacity of 100-300kg/h are suitable; if the production scale is medium (daily output 1-5 tọn), the HTS BASIC series extruders with production capacity of 300-500kg/h are suitable; if the production scale is large (daily output more than 5 tọn), it is recommended to choose our high-torque large-scale twin-screw extruders (production capacity more than 500kg/h).
3.3.3 Consider the Cost-Effectiveness of the Equipment:
The cost-effectiveness of the equipment is an important factor that enterprises need to consider. Enterprises should not only pay attention to the initial investment cost of the equipment, but also consider the long-term operating cost (such as energy consumption, maintenance cost, spare parts cost). Our HTS BASIC series extruders have the advantages of reasonable price, low energy consumption and low maintenance cost, which are cost-effective choices for medium and small-sized enterprises.
3.3.4 Pay Attention to the After-Sales Service of the Equipment:
The after-sales service of the equipment is crucial for the normal operation of the production line. Enterprises should select manufacturers with perfect after-sales service systems, which can provide professional installation, inye ọrụ, ọzụzụ, maintenance and spare parts supply services. We have a professional after-sales service team, which can respond to customer needs in a timely manner and solve various problems encountered by customers in the use of equipment, ensuring the normal operation of the production line.
3.3.5 Consider the Flexibility and Expandability of the Equipment:
With the changes of market demand, enterprises may need to adjust their product types and production scales. Ya mere, when selecting extruders, enterprises should consider the flexibility and expandability of the equipment. Our extruders adopt a modular design, which can be freely combined and upgraded according to the needs of enterprises, improving the flexibility and expandability of the equipment, and reducing the cost of equipment transformation.
4. Application of Extrusion Equipment in Pet Food Production
Our twin-screw extruders (including HTS BASIC series) have been widely used in the production of various types of pet food, and have achieved good application effects. The following will introduce the specific application of our extrusion equipment in different types of pet food production, including process flow, equipment configuration and key technical points.
4.1 Application in Dry Puffed Pet Food Production
Dry puffed pet food is the most widely used product type in the pet food industry, and our HTS BASIC series extruders are especially suitable for its production. The process flow of dry puffed pet food production using our extruders is as follows:
Raw material preparation → mixing → tempering → extrusion puffing → cutting → drying → cooling → seasoning → packaging.
4.1.1 Nkwadebe ihe eji eme ihe:
The raw materials of dry puffed pet food mainly include meat meal (chicken meal, beef meal, nri azụ), ọka ọka (corn flour, wheat flour, rice flour), nri soybean, vitamin, minerals, attractants and other additives. All raw materials need to be inspected and cleaned to remove impurities (such as stones, ọla) and ensure the quality of raw materials. The raw materials are then crushed into powder with a particle size of 80-100 ntupu, which is conducive to uniform mixing and full plasticization.
4.1.2 Ngwakọta:
The crushed raw materials are sent to the mixer according to the formula ratio for uniform mixing. The mixing time is generally 5-10 nkeji, ensuring that all raw materials and additives are evenly distributed. The mixer is equipped with a weighing device, which can accurately control the dosage of each raw material, ensuring the stability of the product formula.
4.1.3 Tempering:
The mixed raw materials are sent to the tempering device for tempering treatment. The tempering temperature is controlled at 80-95℃, the tempering time is 3-5 nkeji, and the moisture content after tempering is 15%-20%. N'oge usoro iwe ọkụ, steam is injected into the tempering device to make the raw materials absorb water evenly, which is conducive to the subsequent extrusion puffing.
4.1.4 Extrusion Puffing:
The tempered raw materials are sent to the HTS BASIC series twin-screw extruder for extrusion puffing. The screw speed is controlled at 200-400 rpm, the extrusion temperature of the feeding section is 70-90℃, the melting section is 130-150℃, and the homogenizing section is 160-170℃. The extrusion pressure is controlled at 5-8MPa, and the compression ratio is 6-8. N'okpuru omume nke elu okpomọkụ, nnukwu nrụgide na ike ịkwa akwa, the starch in the raw materials is fully gelatinized, the protein is denatured, and the materials are extruded from the die head to form puffed strips.
4.1.5 Ịcha:
The puffed strips extruded from the die head are cut into short particles of uniform length by the rotary knife installed at the die head. The length of the particles is generally 3-8mm, which can be adjusted by changing the speed of the rotary knife.
4.1.6 Ịkpọ nkụ:
The cut puffed particles are sent to the drying equipment for drying. The drying temperature is controlled at 80-100℃, and the drying time is 20-30 nkeji. The purpose of drying is to reduce the water content of the particles to 10%-12%, so as to extend the shelf life of the product. The drying equipment can adopt belt dryer or fluidized bed dryer, which has the advantages of uniform drying and high efficiency.
4.1.7 Na-ajụ oyi:
The dried particles are sent to the cooling equipment for cooling. The cooling temperature is controlled at room temperature (20-25℃), and the cooling time is 10-15 nkeji. Cooling can prevent the particles from caking and deteriorating, and ensure the crispness of the product.
4.1.8 Seasoning:
The cooled particles are sent to the seasoning equipment for seasoning. The seasoning can be spray seasoning or mixing seasoning. Common seasonings include chicken flavor, beef flavor, fish flavor and other attractants, as well as vegetable oil, salt and other additives. The seasoning amount is generally 2%-5% of the particle weight, which can be adjusted according to the taste needs of pets.
4.1.9 Nkwakọ ngwaahịa:
The seasoned particles are sent to the packaging equipment for packaging. The packaging equipment can adopt automatic packaging machine, which can realize automatic weighing, bagging, sealing and labeling. The packaging specifications can be adjusted according to customer needs, such as 1kg/bag, 5kg/bag, 10kg/bag, wdg. After packaging, the products are stored in a dry, cool and ventilated warehouse.
Key technical points: The key to dry puffed pet food production is to control the extrusion parameters and drying parameters. The extrusion parameters (ịghasa ọsọ, okpomọkụ, nrụgide) directly affect the puffing effect and product texture; the drying parameters (okpomọkụ, oge) directly affect the water content and shelf life of the product. Our HTS BASIC series extruders have precise parameter control functions, which can ensure the stability of the extrusion process and the consistency of product quality.
4.2 Application in Pet Snack Production
Pet snacks have high requirements for taste, appearance and functionality, and our HTS BASIC series extruders, with their flexible configuration and precise parameter control, can well meet the processing needs of various pet snacks. Taking puffed dental snacks as an example, the process flow of production using our extruders is as follows:
Raw material preparation → mixing → tempering → extrusion puffing → cutting → drying → cooling → surface treatment → packaging.
4.2.1 Nkwadebe ihe eji eme ihe:
The raw materials of puffed dental snacks mainly include corn flour, wheat flour, potato starch, meat meal, vegetable fiber, calcium carbonate and other additives. N'etiti ha, vegetable fiber and calcium carbonate are added to improve the hardness and texture of the product, helping to clean the pet’s teeth. The raw materials are crushed into powder with a particle size of 100-120 ntupu, which is conducive to the formation of the product and the improvement of the texture.
4.2.2 Ngwakọta:
A na-agwakọta ihe ndị a gwepịara egwepịa n'otu n'otu n'ime igwekota dị ka usoro usoro si dị. Oge ngwakọta bụ 8-12 nkeji, n'ịhụ na akwukwo nri eriri, A na-ekesa calcium carbonate na ihe mgbakwunye ndị ọzọ n'otu n'otu na akụrụngwa.
4.2.3 Tempering:
The mixed raw materials are sent to the tempering device for tempering treatment. A na-achịkwa ọnọdụ okpomọkụ na 75-90 ℃, the tempering time is 2-4 nkeji, and the moisture content after tempering is 18%-22%. Usoro iwe ọkụ kwesịrị ijide n'aka na akụrụngwa na-amịkọrọ mmiri nke ọma, ma ọ bụghị nke ukwuu, ka i wee zere ngwaahịa ahụ dị nro.
4.2.4 Extrusion Puffing:
The tempered raw materials are sent to the HTS BASIC series twin-screw extruder for extrusion puffing. The screw speed is controlled at 250-450 rpm, okpomọkụ extrusion nke ngalaba nri bụ 70-85 ℃, Nkeji agbaze bụ 120-140 ℃, na homogenizing ngalaba bụ 150-160 ℃. A na-achịkwa nrụgide extrusion na 4-7MPa, and the compression ratio is 5-7. Isi anwụ na-anabata oghere anwụ nwere ụdị pụrụ iche (dị ka cylindrical, gburugburu, nke eriri), nke mere na ngwaahịa extruded nwere ọdịdị pụrụ iche na udidi, nke na-enyere aka ihicha ezé anụ ụlọ.
4.2.5 Ịcha:
The extruded puffed products are cut into appropriate lengths by the rotary knife. The length of the products is generally 5-10mm, which can be adjusted according to the size of the pet.
4.2.6 Ịkpọ nkụ:
The cut products are sent to the drying equipment for drying. The drying temperature is controlled at 75-95℃, and the drying time is 15-25 nkeji. The water content of the dried products is controlled at 12%-14%, which ensures that the product has a certain hardness and crispness, and can effectively clean the pet’s teeth.
4.2.7 Na-ajụ oyi:
The dried products are cooled to room temperature in the cooling equipment, which takes 8-12 nkeji.
4.2.8 Surface Treatment:
The cooled products are subjected to surface treatment to improve the palatability and appearance of the product. Common surface treatments include spraying meat sauce, coating cheese powder, and dipping in edible oil. The surface treatment amount is generally 3%-6% of the product weight.
4.2.9 Nkwakọ ngwaahịa:
The products after surface treatment are packaged by automatic packaging machine. The packaging should be sealed and moisture-proof to ensure the freshness and shelf life of the product.
Key technical points: The key to pet snack production is the design of the formula and the adjustment of extrusion parameters. The formula should meet the taste and functional needs of pets; the extrusion parameters should be adjusted according to the shape and texture requirements of the product, ensuring that the product has a good shape and texture. Our HTS BASIC series extruders have flexible parameter adjustment functions, which can meet the processing needs of different types of pet snacks.
4.3 Application in Semi-Wet Pet Food Production
Semi-wet pet food has a soft taste and good palatability, which is suitable for pets with poor chewing ability. Our HTS BASIC series extruders can also be used for the production of semi-wet pet food by adjusting the configuration and parameters. The process flow is as follows:
Raw material preparation → mixing → tempering → extrusion puffing → cutting → cooling → packaging.
4.3.1 Nkwadebe ihe eji eme ihe:
The raw materials of semi-wet pet food mainly include meat meal, nri azụ, ọka ọka, nri soybean, humectants (propylene glycol, sorbitol), preservatives, vitamins and minerals. The humectants are added to maintain the moisture of the product, and the preservatives are added to extend the shelf life of the product. The raw materials are crushed into powder with a particle size of 80-100 ntupu.
4.3.2 Ngwakọta:
The raw materials are mixed uniformly in the mixer according to the formula ratio. Oge ngwakọta bụ 6-10 nkeji, ensuring that the humectants and preservatives are evenly distributed.
4.3.3 Tempering:
The mixed raw materials are sent to the tempering device for tempering treatment. The tempering temperature is controlled at 85-98℃, the tempering time is 3-5 nkeji, and the moisture content after tempering is 22%-27%. The tempering process should ensure that the raw materials absorb water fully, so that the product has a soft taste.
4.3.4 Extrusion Puffing:
The tempered raw materials are sent to the HTS BASIC series twin-screw extruder for extrusion puffing. The screw speed is controlled at 150-300 rpm, the extrusion temperature of the feeding section is 75-90℃, Nkeji agbaze bụ 120-140 ℃, and the homogenizing section is 140-150℃. The extrusion pressure is controlled at 2-5MPa, and the compression ratio is 4-6. The extrusion temperature and pressure are lower than those of dry puffed products, so as to avoid excessive puffing of the product and ensure that the product is soft.
4.3.5 Ịcha:
The extruded products are cut into short particles by the rotary knife, with a length of 4-8mm.
4.3.6 Na-ajụ oyi:
The cut products are cooled to room temperature in the cooling equipment, which takes 10-15 nkeji. Cooling can prevent the product from deteriorating due to high temperature.
4.3.7 Nkwakọ ngwaahịa:
The cooled products are packaged by vacuum packaging machine. Vacuum packaging can effectively prevent the product from being oxidized and moldy, extending the shelf life of the product. The packaging specifications can be adjusted according to customer needs.
Key technical points: The key to semi-wet pet food production is the control of moisture content and the selection of humectants and preservatives. The moisture content of the product should be controlled at 25%-35%, and the humectants and preservatives should be selected according to the national food safety standards to ensure the safety of the product. Our HTS BASIC series extruders can accurately control the extrusion temperature and pressure, ensuring that the product has a stable moisture content and soft taste.
5. Solutions to Common Problems in Pet Food Extrusion Processing
In the actual production of pet food extrusion processing, enterprises often encounter various problems, such as uneven product particle size, poor puffing effect, product stickiness, product deterioration and other problems, which affect production efficiency and product quality. Based on our rich experience in pet food processing, we summarize the common problems, causes and solutions, hoping to help enterprises solve practical problems in production.
5.1 Uneven Product Particle Size
5.1.1 Causes:
The main causes of uneven product particle size are: uneven speed of the rotary knife; uneven die hole size; uneven feeding speed; unstable screw speed; uneven mixing of raw materials.
5.1.2 Ngwọta:
Check and adjust the rotary knife, ensure that the rotary knife speed is uniform and the cutting edge is sharp; check the die head, replace the die head with uneven die hole size; adjust the feeding device, ensure that the feeding speed is uniform; check the screw drive system, ensure that the screw speed is stable; extend the mixing time, ensure that the raw materials are mixed uniformly.
5.2 Poor Puffing Effect
5.2.1 Causes:
The main causes of poor puffing effect are: insufficient starch content of raw materials; too low or too high moisture content after tempering; too low extrusion temperature and pressure; too low screw speed; too large die hole size.
5.2.2 Ngwọta:
Adjust the product formula, increase the starch content of raw materials (to more than 20%); adjust the tempering parameters, control the moisture content after tempering at 10%～27%; increase the extrusion temperature and pressure, adjust the temperature of each section of the barrel and the screw speed; reduce the die hole size; check the screw wear, replace the worn screw.
5.3 Product Stickiness
5.3.1 Causes:
The main causes of product stickiness are: too high moisture content of the product; too high extrusion temperature; too high protein content of raw materials; insufficient drying of the product.
5.3.2 Ngwọta:
Reduce the moisture content of the product by adjusting the tempering parameters and drying parameters; reduce the extrusion temperature of the homogenizing section; adjust the product formula, reduce the protein content of raw materials appropriately; extend the drying time, ensure that the water content of the product meets the standard.
5.4 Product Deterioration
5.4.1 Causes:
The main causes of product deterioration are: insufficient sterilization during extrusion processing; too high water content of the product; poor packaging; improper storage.
5.4.2 Ngwọta:
Increase the extrusion temperature and pressure, ensure that the sterilization rate reaches more than 99%; control the water content of the product within the standard range; adopt vacuum packaging or nitrogen-filled packaging to improve the packaging effect; store the product in a dry, cool and ventilated warehouse, avoid high temperature and humidity.
5.5 Mgbochi akụrụngwa
5.5.1 Causes:
The main causes of equipment blockage are: too high moisture content of raw materials; too large particle size of raw materials; impurities in raw materials; too low screw speed; wear of screw and barrel.
5.5.2 Ngwọta:
Reduce the moisture content of raw materials; crush the raw materials to the required particle size; clean the raw materials to remove impurities; increase the screw speed; check the wear of screw and barrel, replace the worn components.
6. Our Service System: Supporting You to Achieve High-Quality Production
We not only provide high-quality extruders for pet food production, but also provide a complete set of service systems, from pre-sales consulting, equipment selection, formula design, to in-sales installation, inye ọrụ, ọzụzụ, and after-sales maintenance, technical guidance, to provide one-stop services for customers, helping customers solve various problems in production and achieve high-quality and efficient production.
6.1 Pre-Sales Service
Our pre-sales service team is composed of professional technical personnel with rich experience in pet food processing. We will conduct in-depth communication with customers to understand their product types, ike mmepụta, budget and other needs, and provide professional consulting services for customers. We will recommend the most suitable extruder model and configuration for customers, design personalized production line solutions, and provide detailed equipment parameters, process flow and cost budget, helping customers make scientific decisions.
Na mgbakwunye, we also provide formula design services. Our technical team will design the most suitable product formula for customers according to the taste, nutrition and functional requirements of pet food, combining the processing characteristics of our extrusion equipment, helping customers improve the competitiveness of their products in the market. We can also provide raw material selection suggestions according to customers’ cost control needs, balancing product quality and production cost.
6.2 In-Sales Service
After the customer places an order, we will arrange professional technicians to provide on-site installation and commissioning services for the equipment. The installation and commissioning process will strictly follow the equipment installation specifications to ensure that the extruder and its matching auxiliary equipment (mixer, tempering device, draya, seasoning machine, wdg.) are accurately installed and connected. Technicians will debug all operating parameters of the equipment according to the customer’s product formula and production process requirements, and conduct trial production until the product quality meets the customer’s expected standards.
N'otu oge ahụ, we provide on-site operational training for the customer’s production team, including equipment basic structure and working principle, daily operation steps, parameter adjustment skills, basic fault identification and handling. We will also provide a detailed operation manual and maintenance manual, and answer the questions raised by the operators one by one to ensure that the customer’s staff can proficiently operate and manage the equipment independently after the training.
6.3 Ọrụ mgbe-ahịa
Anyị nwere usoro ọrụ azụmaahịa zuru oke yana ndị otu ọkachamara na-ere ahịa na ọtụtụ ụzọ ọrụ iji nye ndị ahịa nkwado ahịa n'oge na nke ọma maka ndị ahịa na mba na ọbụna n'ụwa niile.. Anyị na-ekwe nkwa usoro nzaghachi ngwa ngwa: maka nsogbu akụrụngwa nke ndị ahịa, anyị ga-enye ngwọta n'ime 24 awa mgbe ịnata nzaghachi; maka mkpa ndozi na saịtị, ndị ọrụ nka anyị na-ere ahịa ga-abata na saịtị mmepụta nke ndị ahịa ozugbo enwere ike dịka ọnọdụ dị adị.
Anyị na-enye ndị ahịa ọrụ nlekọta na nyocha akụrụngwa mgbe niile, gụnyere nchọpụta mgbe niile nke isi ihe dị ka ịghasa, gbọmgbọm na igbe igbe, mmanu mmanu na mmezi nke usoro nnyefe, na nhazi nke usoro nchịkwa nchịkwa. For the barrel wear measurement service we have launched, our technicians will regularly detect the wear degree of the barrel inner wall with professional instruments, issue a detailed wear report, and put forward targeted replacement and maintenance suggestions to ensure that customers only replace components when necessary and reduce unnecessary production costs.
Na mgbakwunye, we provide a long-term supply of genuine spare parts, with a large number of common spare parts (such as screw elements, nwuo isi, cutting knives, sealing rings) in stock to ensure the rapid supply of spare parts and minimize the equipment downtime caused by component damage. We also provide technical upgrade services for the equipment, and can upgrade the control system, screw structure and other parts of the existing equipment according to the customer’s subsequent production expansion and product upgrade needs, so that the equipment can always adapt to the latest production requirements.
7. Complete Technical Parameters of Extruder Series for Pet Food Production
In order to meet the diverse production needs of pet food enterprises of different scales and product types, we have launched a full range of twin-screw extruder products for pet food processing, with the HTS BASIC series as the core, and extended HTS STANDARD and HTS PREMIUM series to adapt to small and medium-sized production, large-scale production and high-end customized production respectively. All series adopt the core design of twin-screw extrusion, with self-cleaning, high pumping efficiency and strong shear adaptability, and are perfectly matched with the characteristics of high viscosity and high fat of pet food raw materials. The following is the complete technical parameters table of each series:
Tebụl 1: Technical Parameters of Excellence Pet Food Twin-Screw Extruder Series
表格
| Parameter Category | Usoro HTS BASIC (Entry/Mid-scale) | HTS STANDARD Series (Nnukwu-ọnụ ọgụgụ) | HTS PREMIUM Series (High-end Custom) |
|---|---|---|---|
| Screw Structure | Yiri ejima-ịghasa, na-emekọ ihe ọnụ | Yiri ejima-ịghasa, na-emekọ ihe ọnụ | Yiri ejima-ịghasa, na-emekọ ihe ọnụ |
| Ịghasa dayameta (mm) | 30/45/65 | 80/95/110 | 65/80/95/110 (customizable) |
| Compression Ratio | 4:1 ~ 8:1 (mgbanwe) | 5:1 ~ 10:1 (mgbanwe) | 4:1 ~ 12:1 (customizable) |
| Ịghasa Ọsọ (rpm) | 150 ~ 500 (stepless frequency conversion) | 200 ~ 600 (stepless frequency conversion) | 100 ~ 700 (stepless frequency conversion) |
| Rated Torque (N·m) | 120 ~ 350 (European medium-torque gearbox) | 400 ~ 1200 (high-torque gearbox) | 350 ~ 1500 (imported high-precision gearbox) |
| Extrusion Temperature (℃) | 70 ~ 170 (3-section temperature control) | 70 ~ 180 (5-section precise temperature control) | 60 ~ 190 (6-section intelligent temperature control) |
| Nrụgide Extrusion (MPa) | 2 ~ 8 | 3 ~ 10 | 2 ~ 12 |
| Ike mmepụta (n'arọ/h) | 100 ~ 500 | 500 ~ 2000 | 200 ~ 2500 (customizable) |
| Barrel Material | Wear-resistant alloy steel (nitrided treatment, hardness ≥60 HRC) | Wear-resistant alloy steel (bimetallic composite, hardness ≥65 HRC) | Imported wear-resistant alloy steel (bimetallic composite + laser cladding, ike ≥70 HRC) |
| Screw Material | Wear-resistant alloy steel (nitrided treatment) | Wear-resistant alloy steel (bimetallic composite) | Imported wear-resistant alloy steel (customized according to raw materials) |
| Sistemụ njikwa | PLC + touch screen, basic formula memory (≤20 groups) | PLC + industrial touch screen, formula memory (≤50 groups) | Intelligent PLC + cloud touch screen, formula memory (unlimited, cloud storage) |
| Usoro kpo oku | Electric heating + jacket water cooling | Electric heating + steam heating + jacket water cooling | Electric heating/steam heating (switchable) + jacket precise water cooling |
| Feeding Method | Single/double screw feeding (nhọrọ) | Twin-screw differential feeding + liquid feeding port (for oil/fat) | Multi-channel precision feeding (solid/liquid/grease, independent metering) |
| Self-Cleaning Performance | Standard self-cleaning | Enhanced self-cleaning | High-efficiency self-cleaning (customized screw gap) |
| Power (kW) | 15 ~ 45 | 55 ~ 160 | 37 ~ 200 (customizable) |
| Overall Dimension (L×W×H, m) | 2.8×1.2×1.8 ~ 4.0×1.5×2.2 | 4.5×1.8×2.5 ~ 6.0×2.2×3.0 | 3.0×1.5×2.0 ~ 7.0×2.5×3.2 (customizable) |
| Ibu (t) | 0.8 ~ 2.5 | 3.0 ~ 8.0 | 2.0 ~ 10.0 (customizable) |
| Core Advantages | High cost-effectiveness, mfe ọrụ, suitable for initial pet food enterprises | Mmepụta dị elu, obere ike oriri, arụ ọrụ kwụsiri ike, adabara maka nnukwu mmepụta ihe | High precision, strong customization, multi-functional, suitable for high-end pet food/snack customized production |
Key Parameter Explanation
Compression Ratio: The adjustable range is designed for different pet food types—low compression ratio (4:1~6:1) for semi-wet pet food, medium ratio (6:1~9:1) for dry puffed food, and high ratio (9:1~12:1) for high-density functional pet snacks.
gbọmgbọm & Screw Material: The gradient material selection is to adapt to different raw material abrasiveness—HTS BASIC for ordinary meat meal/cereal raw materials, HTS STANDARD/ PREMIUM for raw materials containing bone meal, calcium powder and other hard particles, effectively extending the service life of core components.
Feeding Method: The multi-channel feeding port of HTS PREMIUM series can realize the precise addition of liquid raw materials (such as fresh meat slurry, vegetable oil) and grease, which is suitable for the production of high-fat, high-protein high-end pet food.
Sistemụ njikwa: The cloud storage function of HTS PREMIUM series can realize remote parameter adjustment and production data monitoring, which is convenient for enterprises to carry out intelligent production management.
8. Future Development of Pet Food Extrusion Technology and Our Layout
With the continuous upgrading of the global pet food industry, the pet food market is presenting new development trends such as high-endization, ịrụ ọrụ, naturalization and diversification, which puts forward higher and more stringent requirements for pet food extrusion processing technology and equipment.
8.1 Development Trends of Pet Food Extrusion Technology
Intelligent and Digital Processing: The integration of industrial Internet, artificial intelligence and extrusion equipment will become a mainstream trend. The extruder will realize real-time monitoring of the whole production process, automatic adjustment of parameters, and predictive maintenance of equipment through sensors and cloud computing, reducing human intervention and improving the stability and consistency of product quality.
Adaptation to Natural and High-quality Raw Materials: With the increasing demand for natural pet food, extrusion equipment needs to be optimized for processing fresh meat, fresh vegetables and other raw materials with high moisture and high activity, reducing the loss of nutritional components of raw materials in the extrusion process and retaining the original flavor and nutrition of raw materials.
High Efficiency and Energy Saving: Under the background of global energy conservation and emission reduction, pet food extrusion equipment will pay more attention to energy efficiency optimization, through the improvement of screw structure, heating method and transmission system, reducing unit energy consumption and improving production efficiency, realizing green production.
Customization and Diversification: The market demand for personalized pet food (such as pet food for different breeds, ages, physical conditions, and functional pet snacks) na-eto eto, which requires extrusion equipment to have stronger customization and flexibility, and can quickly switch production processes and parameters to meet the production of multiple varieties and small batches of products.
8.2 Our Technical Layout and Future Planning
Facing the development trend of the pet food industry, we adhere to the concept of technological innovation driven by market demand, and continue to increase R & D investment in pet food extrusion equipment, focusing on the following aspects of research and development and optimization:
Intelligent Upgrading of Equipment: We will integrate more high-precision sensors and intelligent control algorithms into our extruder series, realize the automatic matching of extrusion parameters and product formulas, and launch a cloud management platform for production data, so that customers can monitor production status, analyze production data and optimize process parameters remotely.
Optimization of Raw Material Adaptability: We will develop a special screw structure and tempering process for fresh meat, high-fiber and other natural raw materials, reduce the shear force and heating time of raw materials in the extrusion process, and add a low-temperature puffing function to the high-end series to maximize the retention of the nutritional components and flavor of raw materials.
Energy Saving and Emission Reduction Improvement: We will adopt more efficient transmission systems and heating methods, such as permanent magnet synchronous motors and heat recovery devices, to reduce the energy consumption of the equipment by 15% ~ 20% on the basis of the original; n'otu oge ahụ, optimize the equipment structure to reduce noise and waste discharge, meeting the environmental protection production standards.
Expansion of Customization Capabilities: We will build a more flexible product customization system, and can customize the screw diameter, compression ratio, feeding method and other parameters of the extruder according to the customer’s personalized production needs (such as special-shaped pet snacks, high-end functional pet food); n'otu oge ahụ, we will develop more matching auxiliary equipment to form a fully automated production line from raw material mixing to finished product packaging.
Deep Integration of Technology and Service: We will build a pet food processing technology research and development center, combining equipment R & D with product formula research, and provide customers with integrated solutions of “equipment + formula + usoro”; n'otu oge ahụ, we will expand the online technical service channel, provide 7×24-hour online technical guidance and fault diagnosis, and further improve the efficiency of after-sales service.
9. Mmechi
Pet food extrusion puffing technology is the core of modern pet food industrial production, and the performance of extrusion equipment directly determines the production efficiency, product quality and market competitiveness of pet food enterprises. As a professional provider of food-grade extrusion equipment, we have accumulated rich experience in the field of pet food processing, and launched a full range of twin-screw extruder products represented by the HTS series, which perfectly solve the processing difficulties caused by the high viscosity, high fat and diverse raw materials of pet food.
Our extruders have the advantages of low lifetime operating cost, oke ngwa ngwa, advanced technology and reliable process control, and are equipped with a complete one-stop service system from pre-sales to after-sales. The detailed and adjustable technical parameters of each series can meet the production needs of pet food enterprises of different scales and product types, from entry-level dry puffed food to high-end customized functional snacks.
N'ọdịnihu, with the continuous development of the pet food industry, we will continue to take technological innovation as the core, take customer demand as the guide, and constantly optimize and upgrade our extrusion equipment and service system, striving to provide more efficient, ike-azọpụta, intelligent and customized pet food processing solutions for global customers. We are willing to grow together with pet food enterprises, and contribute to the development of the pet food industry with high-quality equipment and professional services, creating more safe, nutritious and delicious pet food for pet families around the world.