Extruding process tekinoroji yekugadzira puffed feed yave tsika mukuvandudza tekinoroji yekugadzira chikafu chemvura. Basa rakasiyana reiyo extruder ndere kushandura huremu hwechikafu, zvichigadzira kuyerera, kunonoka kugadzika, uye kugadzirisa chikafu chehove. Kudya kwehove dzinoyangarara hakungonatsiridza kushanda kwechikafu, asi chinonyanya kukosha, kunobvumira varimi kuona mamiriro ekudya kwehove, kudzivirira kuwandisa uye kuderedza tsvina yekudya.
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Nekudaro, nekuda kweiyo yakaomesesa yekugadzira tekinoroji yemvura yakafukidzwa chikafu kana ichienzaniswa nedzimwe nzira dzekugadzirisa, mhando yekugadzira yemvura inotutuma chikafu kazhinji haina kugadzikana kana mamwe marudzi haagone kuburitsa zvigadzirwa zvakakwaniriswa mukugadzirwa chaiko. Pane zvinhu zvakawanda zvinokanganisa kunaka kwekugadziriswa kwemvura yakaputirwa chikafu. Nekungonzwisisa zvizere mabatiro emidziyo yeextrusion process uye physicochemical properties yefeed raw materials pamhando yekugadzirwa, uye nesainzi kushandura extrusion uye kupumha mamiriro ekushanda, ndipo panogona kugadzirisa kunaka kwechikafu chakaputirwa nemvura chinogona kunyatsodzorwa uye chiyero chenguva imwe chete chezvigadzirwa kuvandudzwa.
MUFENG MISSIONxuye Puffing Hove Feed Processing Technology
1.1 Kusvina nekukweva chikafu chehove
Kusvina maturation kunowanikwa nekubatanidza mhedzisiro yemvura, kudzvanywa, tembiricha, uye mechanical shear. Mukuita extrusion maturation, tembiricha mukati memuchina inogona kusvika 90-200 ℃, uye iyo extrusion nguva inotangira kubva 2-30 masekondi. The extruded product will under the series of physical and chemical changes, senge starch gelatinization, protein denaturation, enzyme inactivation, toxic components, uye microbial inactivation.
Kugadzira chikafu chehove yakazvikudza kunoda jekiseni rehutsi nemvura, uye zvinhu zvacho zvinofanirwa kunge zvine 20% starch, iyo inonyanya kushanda sebhainda uye simba chinhu. Kupisa kwechigadzirwa che extruded kunofanira kuva 125-138 ℃, 34-37 atmospheres (33-36kg\/cm2), uye 25-27% mwando usati wabuda mumhete; Mushure mekuwedzera, huwandu hwehuwandu hunofanira kuva 320-400g / L uye hunyoro hunofanira kuva 21-24. Kana iyo extruded zvinhu zvaburitswa kubva muforoma, 3-4 muzana yemapoinzi emwando inorasika. Panguva iyo iyo extruded zvinhu inoburitswa kubva muforoma, kungoerekana kuburitswa kwesimba kunoita kuti mvura yakawandisa ishanduke kuita mupfunga, kuderedza hunyoro hwezvinhu zvakaburitswa uye kuburitsa mabhuru madiki akawanda kuderedza density. Ipapo chete ndipo panogona kuyerera chikafu chakaburitswa. Kuomesa hove kunowedzera kudya (kazhinji nehunyoro husingasviki 10%) kunogonawo kuwedzera kutenderera kwadzo. Hulk density ye480g/L inozivikanwa senzvimbo inopinduka yekuyangarara nekunyura kwekudya kwepellet. Kana iyo yakawanda density yakadzikira pane iyi, inoyangarara, uye kana yakakwira kupfuura iyi yakawanda density, inonyura.
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1.2 Rudzi uye chimiro che extruder
Kune akawanda marudzi emaextruder pamusika, ayo anogona kukamurwa kuita single screw extruders uye mapatya-screw extruder zvinoenderana nekuumbwa kwescrew. Single screw extruders inogona kukamurwa kuita mvura inorapa extruder, yakaoma kurapa extruders, uye inotonhora inoumba extruders. Iyo extruder kazhinji ine zvikamu zvina zvikuru, kusanganisira iyo yekudyisa system, modulator, extruder inofinha uye yekucheka mudziyo. Iyo inoshanduka yekumhanyisa yekudyisa screw mune yekudyisa sisitimu inodyisa zvigadzirwa mu pre modulator, uye mushandisi anogona kutarisa mamiriro ekudya kuburikidza nepamusoro uye yakaderera nhanho zviratidzo uye anoona magirazi windows. Iyo modulator inoiswa jekiseni nemvura uye kupisa nenzira yeutsi, uye iyo yose modulation process inotora maminetsi mashanu, ichipedzisa 40-50% maturation. Iyo extruder boring inosanganisira musoro uye screw, uye screw basa nderekusundira zvinhu uye kudzora maturation process mukati me extruder. Iyo screw muchikamu chekudyisa inofambisa zvinhu, kazhinji ine yakadzika screw blades; Pakati screw kusanganisa uye kukanya zvinhu; Iyo screw yekupedzisira inova mutete zvishoma nezvishoma, ichibvumira iyo zvinhu kuti zviumbwe kuita chigadzirwa chekupedzisira.
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1.3 Gadzira chikafu chinonyura
Paunenge uchigadzira chikafu chinorema, jekiseni mvura mumodulator (isina kana nejekiseni shoma reutsi), uye mold yemhete inofanira kuva nekumanikidza kwe26-30 atmospheres (25-29kg/cm2). Iyo yakawedzera zvinhu inofanira kunge iine mvura ye28-30%, yakawanda density ye450-550g/L mushure meextrusion, tembiricha ye120 ℃, uye hunyoro hwe26%. Iyo inodziya yekurapa extruder inoshandisa difa ine vent, nepo iyo yakaoma extruder inoshandisa yechipiri extrusion kufa, iyo inogona kuderedza tembiricha, hunyoro, uye kuwedzera mwero wechigadzirwa chakawedzerwa, uye kuburitsa zvakanaka chikafu chinonyura. Musoro we mold ine vent yakanyatsobatanidzwa kune template, saka inogona zvakare kushandiswa mumamiriro ezvinhu apo mavhitaminzi, pigments, uye flavour enhancers inoda kuwedzerwa kune yakawedzera zvinhu kuti irege kunyungudika zvakanyanya. Chikafu chehove chiri kunyura chinofanira kunge chine 10% starch uye 12% mafuta, uye yekupedzisira extruded product inofanira kuomeswa kune mwando we10% kusvika 12%. Kuomesa zvakanyanya kunogona kuita kuti chikafu chinonyura chiyangamire.
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Matanho Ekushanda eChishandiso Chekusimbisa Hunhu muGranulation process
2.1 Kutarisa pakugadzirisa kunaka kwechigadzirwa
Chinangwa chekudya chinozvikudza chisati chawedzerwa ndechekuti zviratidzo zvinovaka muviri zvinosangana nezviyero, kana basa rekuongorora uye rekubvisa tsvina rinoitwa nemazvo, kana kupwanya ukuru hwechidimbu uye kusanganisa kufanana kunosangana nemitemo, kudzivirira uye kutonga kwekusvibiswa kwemuchinjikwa, uye kana dhigirii rekugadzirisa uye maturation rinosangana nemitemo; Mushure me extrusion, chinotarisisa chinowanzova chekuchinja mune zvinovaka muviri zviratidzo, particle kufanana, chaiyo gravity \/ buoyancy rate, kupfava \/ mvura yekudzivirira nguva, particle viscoelasticity mushure mekunyorova, hupfu hwehupfu, uye chitarisiko chemavara.
4.3 Kushanda kumanikidzwa kureba kwechimiro chegomba
2.2.1 Raw material formula. Hunhu hwemuviri uye hwemakemikari zvimiro zvezvakagadzirwa, kugadzirwa kwezvinhu, uye fomula yekuumbwa zvese zvinokanganisa kunaka kwekugadziriswa kwezvinhu zvakazvitutumadza. Kunyanya, iyo mbishi yekuwedzera mhando coefficient inokanganisa iyo feed yekuwedzera maitiro uye mutengo wekuwedzera. Kunyangwe zvinhu zvacho zvisina tsvina, ingave saizi yechikamu inosvika pachiyero, uye kana iyo pre-conditioning kurapwa ichiitwa ichakanganisa kuwedzera kwekuita; Iyo starch, mafuta, uye crude fiber yemukati yefodya fomula kune imwe nhanho inotaridza iyo yekupedzisira mhedzisiro yekudyisa chikafu.
2.2.2 Zvigadzirwa zvekugadzira. The host chimiro (kunyangwe kushandisa akisi imwe chete kana kaviri axis, D: L kukosha saizi, spiral configuration kugovera), process configuration midziyo (kupwanya, kuongorora, kuomesa, uye kupfapfaidza), uye extrusion die gole parameters (imwe gomba chimiro uye kufa hole nzvimbo) zvese zvinokanganisa kunaka kwezvinhu zvakaburitswa.
2.2.3 Kudzvinya kushanda. Huwandu hwemvura nehupfu hwakawedzerwa huchakanganisa saizi yechidimbu uye chimiro cheruvara rwechigadzirwa; Tichifunga nezvechido chekugadzira uye kuburitsa chaiko kwefekitori, kutarisisa kunofanirwa kubhadharwa kudzora dhigirii rekuzadza uye nguva yekuchengeta zvinhu paunenge uchigadzirisa screw speed; Kudzora tembiricha yekuputira uye kufutisa kudzvanywa kunogadzirisa zvakananga iyo gelatinization degree uye puffing degree yestarch.
2.2.4 Zvimwe zvinhu. Iko kupfeka uye kuchembera kwemidziyo yekupusha, pamwe nekuti mushandisi ari novice, kune imwe nhanho inokanganisa kunaka kwezvigadzirwa zvekupusha. Izvi zvinoda kuti isu tipe dzidziso yekushanda kune vanotanga vasati vatanga kushanda uye kugadzira manyorerwo ekushandisa akamisikidzwa kuti vatarise. Panguva imwecheteyo, isu tinofanirwa kugara tichiteedzera kupera uye kubvaruka kwe screws, bushings, uye mold kuti titarise gare gare kugadzirisa uye kutsiva.
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Copyright © Henan Mufeng Intelligent Equipment Co., Ltd. All Rights Reserved
3.1 Kupwanya size. Iyo particle size yakakosha kune extrusion uye puffing processing tekinoroji. Kupwanya zvinhu zvakakasharara kuita zvidimbu zvinogona kuderedza kuwedzera kwechigadzirwa, zvichiita kuti zvive nyore kuvhara mold; Kupesvedzera mhedzisiro ye preconditioning uye extrusion kusanganisa; Iyo extruder ine yakakwirira kupfeka uye yakakwirira mechanical simba rekushandisa; Ichaitawo kuti kuonekwa kwezvimedu zvechigadzirwa zvive zvakaoma. Naizvozvo, zvinodikanwa kuona iyo yakanyanya hupfumi kupwanya chidimbu saizi zvichibva pane chigadzirwa giredhi uye extrusion zvinodiwa.
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3.2 Zvinhu zveSitashi. Zvinonzwisisika uye zvishoma zvakakwira sitachi zvemukati zvichawedzera coefficient yekuwedzera uye kuvandudza mwero wekuyangarara; Kuwedzera hupamhi hwekushanda kweextrusion kunoita kuti zvive nyore kudzikamisa chigadzirwa chemhando; Iyo yakakwira zvishoma sitachi yemukati inowedzera kuyerera kwechigadzirwa, icho chinobatsira pakudyisa granulation uye inobatsira kuvandudza kutaridzika kwemhando yegranules. Zvigadzirwa zvakanaka zvesitashi zvinosanganisira hupfu hwema gluten, hupfu hwechibage uye sitachi yembatatisi.
3.3 Crude fat content. Kune imwechete axis michina, kana iyo isina kukora yemafuta emukati meiyo mbishi inodarika 8% isati yaburitswa, yakashata zvinhu homogenization, hutsika husina kugadzikana, kuderedzwa kwechigadzirwa viscosity, uye kuderera kwekudzivirira kwemvura kuchaitika panguva yeextrusion; Inokanganisa tembiricha yeextrusion uye kudzvanywa, inoderedza simba rekukwevera, uye inodzikisa chiyero chekuyangarara kwechigadzirwa. Naizvozvo, kana iyo yakazara mafuta emukati yehupfu inoyangarara inodarika 8% isati yawedzera, mafuta akawandisa anofanirwa kupfapfaidzwa nekuwedzerwa kunze kuti aderedze kukanganisa kweextrusion process. Kuburikidza nemaitiro ekugadzira, zvave zvichiratidzwa kuti mafuta akakwira zvinhu zvinobatsira mukuvandudza mazinga emafuta. Iyo shoma yunifomu yekunze jekiseni remafuta ine hukama nehukuru hwechikamu uye kutsvedzerera kwepasi, uye zvidiki zvimedu, zviri nyore kuti uwane kufanana.
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3.4 Crude protein. Kunobva uye zvirimo zveprotein isina kuchena mune mbishi zvinhu zvine mhedzisiro yakakura pane extrusion uye puffing effect. Kazhinji kutaura, kuita kwekuzvimba kweprotein yemhuka kunosiyana zvakanyanya, nepo kuita kwese kufemera kweprotein yezvirimwa kuri nani. Mukati meimwe nhanho, kuwedzera kweiyo crude protein yemukati inokonzeresa yakaderera friction coefficient, kuderedzwa kwemidziyo kupfeka, zvirinani chigadzirwa kurongeka, uye kuwedzera viscoelasticity.
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3.5 Zvigadzirwa zvemvere nemateko. Iyo yakakwira iyo chaiyo giravhiti yezvakagadzirwa zvakadai sehupfu hwekotoni, coconut mhodzi yehupfu, uye chibharo chikafu mufomula, zvinonyanya kuoma kupwanya zvinhu, uye kupwanya kushanda kunodzikira mutsara. Iyo isina kurongeka chimiro chehure uye magomba zvinhu zvakare yakaoma kutsetseka skrini, iyo inogona kuwedzera nyore mwero wekutadza kwekugadzira mold inovharira. Zvigadzirwa zvine huwandu hukuru hwezvigadzirwa zvemagoko zvinotapukira kuputika panguva yekugadziriswa, zvichikonzera kutaridzika kwakashata kwechikamu.
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4, Mapoinzi Akakosha EKugadziridza Hunhuxnd Process Equipment Control
4.1 Chisungo chekudzora saizi yechikamu chekupwanya
Iyo aperture ye mold inoda kuti sieve aperture ive isingasviki chikamu chimwe chete muzvitatu chekuvhura mold, uye iyo yakakura aperture yemusero haifanire kudarika 1.2mm. Kutaridzika kwechigadzirwa kunoda kuti iyo yakatsetseka saizi yechinhu panguva yeextrusion uye kupuruzira, zviri nani kutaridzika kwechigadzirwa; Pamusoro pezvo, zvinodikanwa kudzora kunaka kwezvinhu zvinopwanya zvehupfumi uye zvine musoro zvichibva pamhando yekuberekesa, kuitira kudzikisa zvisina kufanira kupwanya mari.
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Mapoinzi Akakosha EKugadziridza Tekinoroji uye Hunhu Kudzora Kwemvura Yemvura Yakapushwa Feed
Kana iyo extrusion die gole iri pasi pe2.0mm, hupfu hunofanira kuongororwa kuburikidza ne 18-24 mesh sieve kubvisa tsvina; Kana iyo extrusion die gomba iri pamusoro pe2.0mm, hupfu hunofanirwa kuongororwa kuburikidza nesefa ye12-16 mesh kubvisa tsvina. Kana iyo mold aperture iri pasi pe 2.0mm, kana fomula yacho iine chikamu chikuru chemvere, donje, uye mateko zvinhu, kunyangwe mushure memakumi maviri nemana mesh kuongorora, kugadzikana kwekugadzira extrusion kuchiri kushoma.
Yepamusoro Gumi Kudzora Matanho eFeed Factory Production
Paunenge uchigadzira dhizaini yemaparamita, kureba kwekumanikidza kunofanirwa kuve 1.2-1.5 nguva yekuvhura kana aperture iri isingasviki 1.5mm, uye 0.8-2.0 nguva yekuvhura kana aperture yakakura kupfuura 2.0mm. Hukama huri pakati penzvimbo yekumanikidza uye kutaridzika kwechigadzirwa kunoratidzwa mukuti mold hole yekumanikidza kureba ipfupi, chigadzirwa chepamusoro chine porous, uye chimiro chakatenderera; Iyo mold hole yekumanikidza kureba, iyo chigadzirwa chepamusoro chakatsetseka, uye chimiro chiri cylindrical.
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4.4 Kusarudzwa kwemidziyo yekuomesa
Kana paine zvakasiyana-siyana zvechigadzirwa uye maumbirwo, mubhedha wekutakura mubhedha une kuzvichenesa uye kupisa kwemhepo kutenderera mabasa kunofanirwa kusarudzwa; Kana iyo chigadzirwa chimiro uye chimiro chiri chimwechete uye batch yekugadzira yakakura, yakawanda-nhanho flip plate counter ikozvino dryer inogona kusarudzwa; Paunosarudza dryer, zvinodikanwa kuti utarise zvinodikanwa zvechigadzirwa mwando kufanana, jira resainzi uye rakagadzikana uye zvimiro zvekuburitsa, uye kukosha kwekuchengetedza cheki kutendeseka uye kudzivirira process cross kusvibiswa.
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2.2 Ongororo Yezvinhu Zvinokanganisa Kugadziridza Hunhu
Usati wapfapfaidza zvinhu, hupfu hwakatsetseka uye zvidimbu zvakakura zvinofanira kuongororwa uye kubviswa; Kana huwandu hwejekiseni rehuturu huri pazasi pe5%, dhiramu rinogara riri jekiseni remafuta rinogona kusarudzwa, uye kana riri pamusoro pe5%, batch vacuum fuel injector (imwe yemvura nozzle) inofanira kusarudzwa. Uye zvakare, zvinodikanwa kunyatso kudzora huwandu hwezvinhu uye zvinwiwa zvakawedzerwa zvinoenderana neformula reshiyo kuti uwane yunifomu yekupfapfaidza.
