Dab tsi yog 5 Qhov Tseem Ceeb Extrusion Cov Kauj Ruam hauv Cov Ntses Me Me Ua Tshuab?

Dec 29, 2025

Tso lus

cov ntsiab lus

Lub tsib kauj ruam tseem ceeb ntawm extrusion siv lub tshuab ua ntses me me yog: raw khoom pretreatment → formula mixing → extruder preheating thiab hloov → precision extrusion molding → txias thiab tshuaj ntsuam. Txhua kauj ruam yuav tsum tau ua tib zoo saib xyuas kom meej kom ua tau zoo - cov ntses zoo.

Thawj kauj ruam, raw khoom pretreatment, yog qhov tseem ceeb los xyuas kom meej extrusion zoo. Ua ntej, cov khoom siv raw xws li ntses ntses, zaub mov taum, pob kws hmoov nplej, thiab nplej bran raug tshuaj xyuas. Cov impurities thiab cov khoom lwj raug tshem tawm siv lub vibrating npo, thiab tom qab ntawd siv cov hlau nplaum sib nqus kom tshem tawm cov khoom txawv teb chaws hlau los tiv thaiv kev puas tsuaj rau cov ntsia hlau thiab tuag ntawm cov extruder me me. Tom qab ntawd cov ntaub ntawv raw yog muab tso rau hauv ib lub me me grinder rau 80-100 mesh; uniform particle loj kom paub meej ntxiv extrusion. Ib txhij, lub ntsuas dej noo yog siv los ntsuas cov dej noo ntawm cov ntaub ntawv raw, tswj nws ntawm 12% thiab 14%. Cov dej noo ntau dhau tuaj yeem ua rau cov ntaub ntawv nyoos los lo thiab txhaws lub extruder, thaum tsis txaus noo noo yuav tiv thaiv kev tsim cov cua sov txaus, cuam tshuam rau kev ua noj.

Cov kauj ruam thib ob, kev sib xyaw ua ke, suav nrog kev sib faib cov ntaub ntawv raw raws li hom thiab theem kev loj hlob ntawm cov ntses aquaculture. Piv txwv li, qhov sib piv ntawm cov ntses ntses hauv cov menyuam yaus ntses noj yuav tsum tau nce mus rau 30% -40% kom nce cov ntsiab lus protein; qhov sib piv ntawm cov ntses ntses hauv cov neeg laus noj ntses tuaj yeem raug txo kom tsim nyog rau 20% -30%. Ncuav cov crushed raw cov ntaub ntawv, vitamins, minerals, roj, thiab lwm yam auxiliary cov ntaub ntawv rau hauv ib tug me me ntsug tov khoom thiab do rau 5-8 feeb, kom ntseeg tau ib tug sib tov uniformity ntawm tshaj 95%. Kev sib xyaw tsis sib xws yuav ua rau muaj cov khoom noj tsis txaus hauv qee cov khoom noj, cuam tshuam rau kev loj hlob ntawm cov ntses, thiab tseem yuav ua rau cov khoom siv tsis sib xws thaum lub sij hawm extrusion, uas ua rau qee cov pellets tau qis dua.

Qhov thib peb kauj ruam yog lub preheating thiab debugging ntawm lub extruder, ib tug tseem ceeb kev npaj cov kauj ruam rau cov me ntses noj pellet ua tshuab. Tig rau cov cuab yeej tseem ceeb ntawm lub tshuab me me ntses noj ua tshuab-ib zaug -ntsia hlau extruder- thiab preheat rau 10-15 feeb, tsa lub tshuab extrusion kub rau 120-140℃. Tom qab qhov kub thiab txias stabilizes, kho cov ntsia hlau ceev rau 300-400 rpm. Ib txhij, xaiv qhov tsim nyog tuag orifice txoj kab uas hla raws li tus ntses lub cev loj: 1-2 hli rau cov menyuam yaus ntses thiab 2-4 hli rau cov neeg laus ntses, ua kom cov pellet loj raws li cov ntses noj. Yog tias preheating tsis txaus, cov khoom siv raw yuav tsis sai sai tom qab nkag mus rau hauv extruder, ua rau cov pellets xoob. Kev ceev ntau dhau yuav ua rau kev nthuav dav dhau, ua rau tsis txaus thiab kev sib cais yooj yim thaum sib cuag nrog dej.

Cov kauj ruam plaub, raug extrusion thiab shaping, koom nrog kev pub cov khoom sib xyaw ua ke ntawm ib qho kev sib tw ceev rau hauv lub extruder inlet. Nyob rau hauv qhov kev txiav txim siab ntawm cov ntsia hlau thiab kev sib txhuam ntawm lub tshuab extrusion chamber, cov khoom siv raw tau dhau los ua qhov siab - kub, siab - qhov chaw siab (120-140 degree, 3-5MPa), ua tiav cov hmoov txhuv nplej siab gelatinization thiab protein denaturation, thaum tib lub sijhawm tua cov kab mob phem xws li Salmonella. Nyob rau hauv lub siab, cov ntaub ntawv raw yog ejected los ntawm qhov tuag orifice, tso siab instantaneously tsim porous, crisp ntses noj pellets. Thaum lub sijhawm ua haujlwm, kev noj zaub mov ruaj khov yuav tsum tau tswj kom tsis txhob muaj kev hloov pauv hauv cov txiaj ntsig extrusion. Yog hais tias cov pellets tshwm scorched los yog xoob, lub extruder kub thiab ceev yuav tsum tau kho tam sim ntawd.

Kauj ruam tsib yog ua kom txias thiab tshuaj ntsuam. Freshly extruded ntses noj pellets, ntawm kwv yees li 60-80℃nrog cov dej noo ntawm 18%-22%, yuav tsum tau xa mus rau lub txias me me. Kev quab yuam huab cua ua kom txias rau hauv chav sov kom tsis txhob muaj cua sov los ntawm kev ua kom cov pellets ua kom ntub thiab pwm. Tom qab txias, cov pellets raug tshuaj xyuas kom tshem tawm cov khoom tawg thiab cov pellets loj heev lossis me me, thaum kawg yielding uniform, zoo ntses noj. Ua kom tiav tsib kauj ruam no tso cai rau kev tsim cov palatable, digestible heev, thiab ruaj khov dej pub los ntawm cov txheej txheem extrusion ntawm lub tshuab me me tsiaj extrusion.

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txog Peb

MIKIM cov ntses pub pellet cov kab ntau lawm thiab cov tshuab txhawb nqa muaj txiaj ntsig zoo rau cov nyiaj. Tsis yog lawv pheej yig xwb, tshem tawm cov neeg lag luam nruab nrab thiab tso cai rau me thiab nruab nrab- cov lag luam me (SMEs) thiab cov neeg ua liaj ua teb ntses los yuav cov khoom ua tiav ntawm tus nqi tsim nyog, tab sis lawv kuj khav theeb tshwj xeeb. Cov txheej txheem automated tag nrho, los ntawm cov khoom siv raw crushing thiab meej cov khoom sib xyaw rau extrusion pelleting thiab maturation, yog ua tiav nyob rau hauv ib tug nruam ntws. Qhov no ua rau muaj cov hmoov txhuv nplej siab gelatinization thiab cov txheej txheem pellet zoo, txhim kho kev tsim khoom thiab kev noj zaub mov zoo, ua tiav "tus nqi qis, siab tso zis." Xaiv MIKIM ntses pub pellet ntau lawm kab txhais tau hais tias muaj kev txaus siab ua ntej- muag thiab tom qab- kev muag khoom, suav nrog 24-teev kev txhawb nqa cov neeg siv khoom hauv online, ib qho - xyoo lav ntawm tag nrho lub tshuab, kev txhim kho ntawm qhov chaw, commissioning, thiab kev saib xyuas, thiab ruaj khov ntawm cov khoom seem. Cov neeg siv khoom tuaj yeem yuav nrog kev ntseeg siab thiab siv nrog kev thaj yeeb ntawm lub siab, nrog rau cov nqi zoo thiab kev pabcuam zoo !!!

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