Pre-pressing hnyav leaching thiab extrusion hnyav leaching yog ob txoj kev sib txawv hauv cov txheej txheem roj, thiab lawv txawv ntawm ntau yam.
1. Txheej txheem txheej txheem
• Pre-pressing hnyav leaching
• Pre-pressing leaching yog thawj zaug nias cov roj thiab siv cov cuab yeej siv los nyem tawm ib feem ntawm cov roj hauv cov roj. Cov txheej txheem no tsuas yog ua los ntawm cov khoom siv xws li cov ntsia hlau nias. Cov roj yog raug rau lub zog siab nyob rau hauv lub pressing chamber, thiab cov roj yog squeezed tawm ntawm cov roj hlwb. Piv txwv li, nyob rau hauv lub pre-pressing txheej txheem ntawm rapeseed, lub rapeseed nkag mus rau hauv lub pressing chamber ntawm cov ntsia hlau xovxwm. Raws li cov ntsia hlau nias rotates, lub siab nyob rau hauv lub pressing chamber maj mam nce, thiab cov roj yog squeezed tawm los ntawm qhov sib txawv ntawm cov nias tuav kom tau pre-pressed crude roj, thiab lub ncuav mog qab zib ntxiv nrog cov roj ntau dua nkag mus rau theem leaching. Leaching yog rho tawm cov roj nyob rau hauv lub ncuav mog qab zib pre-pressed siv organic solvents (xws li hexane). Cov kuab tshuaj organic tuaj yeem yaj cov roj, thiab yaj cov roj los ntawm lub ncuav mog qab zib los ntawm soaking lossis txau, thiab tom qab ntawd cais cov kuab tshuaj los ntawm cov roj los ntawm evaporation, stripping thiab lwm yam txheej txheem kom tau txais cov roj leached crude.
• Extrusion hnyav leaching
• Thawj kauj ruam ntawm cov txheej txheem extrusion leaching yog puff cov roj. Nyob rau hauv lub extruder, cov roj hloov nws cov qauv nyob rau hauv qhov kev txiav txim ntawm qhov kub thiab txias, siab siab thiab siab shear quab yuam. Piv txwv li, nyob rau hauv lub extruder, vim qhov kub thiab txias extrusion ntawm cov ntsia hlau, cov roj hlwb raug rhuav tshem tag nrho, cov roj sab hauv raug tso tawm, thiab cov roj ntim tau nce, tsim cov khoom xoob thiab ntxeem tau nthuav dav. Cov qauv ntawm cov khoom nthuav dav no yog qhov tsim nyog rau kev nkag mus ntawm cov kuab tshuaj. Hauv cov txheej txheem leaching tom ntej, cov kuab tshuaj tuaj yeem tiv tauj cov roj sai dua thiab sib npaug thiab yaj nws. Lub hauv paus ntsiab lus ntawm leaching yog tib yam li leaching txuas nyob rau hauv pre-pressing leaching. Nws kuj tseem siv cov kuab tshuaj organic kom rho tawm cov roj los ntawm cov khoom siv nthuav dav, thiab tom qab ntawd rov qab cov kuab tshuaj los ntawm evaporation, stripping thiab lwm cov kauj ruam kom tau cov roj crude.
2. Cov txheej txheem thiab cov khoom siv
• Pre-pressing hnyav leaching (Cov khoom tseem ceeb: pre-pressing roj xovxwm tshuab)
• Pre-pressing link: Cov cuab yeej tseem ceeb yog cov ntsia hlau pre-pressing nrog qia cooker. Cov roj nkag mus rau hauv cov ntsia hlau xovxwm tom qab kev kho ua ntej xws li ntxuav thiab crushing. Lub pressing chamber ntawm cov xovxwm muaj ib tug ntsia hlau thiab ib tug bar. Cov ntsia hlau tig mus thawb cov roj rau pem hauv ntej, lub siab maj mam nce, thiab cov roj yog nyem tawm. Lub ncuav mog qab zib tom qab nias ua ntej yog compact thiab muaj cov roj tseem ceeb, feem ntau nyob ib ncig ntawm 10% - 20%.
• Qib Extraction: Cov khoom siv rho tawm feem ntau yog kab rov tav extractor lossis lub nplhaib rho tawm. Tom qab lub ncuav mog qab zib pre-pressed nkag mus rau hauv lub extractor, nws yog sprayed los yog soaked nrog ib tug hnyav. Kev sib xyaw ntawm cov kuab tshuaj thiab cov roj (feem ntau hu ua cov roj sib xyaw) yog sib cais los ntawm lub ncuav mog qab zib los ntawm kev lim dej thiab lwm txoj hauv kev, thiab tom qab ntawd dhau los ntawm cov txheej txheem evaporation (xws li thawj evaporator, qhov thib ob evaporator, thiab lwm yam), thiab cov kuab tshuaj nyob rau hauv cov roj sib xyaw yog evaporated los ntawm cov cua kub cua sov, thiab tom qab ntawd cov kuab tshuaj residual raug tshem tawm ntxiv los ntawm ib tug ntauwd stripping kom tau leached crude roj. Nyob rau tib lub sijhawm, lub ncuav mog qab zib tom qab desolventization yog tawm tom qab cov kuab tshuaj residual raug tshem tawm los ntawm cov khoom siv xws li lub tshuab degassing.
• Extrusion hnyav rho tawm (cov cuab yeej tseem ceeb: extruder)
• Extrusion theem: Cov khoom siv tseem ceeb yog extruder. Cov roj nkag mus rau hauv extruder tom qab ntxuav thiab txias. Muaj cov ntsia hlau thiab cov thoob hauv lub extruder. Nyob rau hauv qhov kev sib hloov ntawm cov ntsia hlau thiab cov cua kub ntawm lub thoob, cov roj tau nyem thiab ua kom sov, thiab lub siab tuaj yeem ncav cuag 3-5MPa thiab qhov kub tuaj yeem ncav cuag 100-130 degree . Tom qab cov roj yog nyem tawm ntawm lub qhov hluav taws xob ntawm lub extruder, lub ntim expands instantly los tsim ib tug extruded khoom. Cov khoom siv extruded muaj cov qauv xoob, cov porosity siab, thiab cov roj cov ntsiab lus sib npaug ntawm cov ncuav mog qab zib pre-pressed, tab sis cov roj faib yog ntau dua.
• Qib Extraction: Cov cuab yeej zoo ib yam li cov khoom siv extraction rau pre-pressing extraction, tab sis vim yog cov yam ntxwv ntawm cov khoom extruded, cov txheej txheem extraction yuav ua tau zoo dua. Tom qab cov khoom siv extruded nkag mus rau hauv lub extractor, cov kuab tshuaj yog yooj yim dua rau nkag mus, thiab qhov zoo ntawm cov roj sib xyaw yuav zoo dua. Cov kuab tshuaj tom qab rov qab thiab cov roj crude extraction txheej txheem zoo ib yam li pre-pressing extraction.
3. Roj tawm los thiab roj zoo
• Roj tawm los
• Pre-pressing extraction: Nyob rau hauv lub pre-pressing theem, ib feem ntawm cov roj yuav muab rho tawm ua ntej. Feem ntau, cov roj ua ntej nias cov txiaj ntsig yog kwv yees li 70% -80%, thiab tom qab ntawd cov roj ntxiv yog muab rho tawm los ntawm kev rho tawm. Tag nrho cov roj tawm los yog siab, tab sis yog tias cov roj cov ntsiab lus ntawm lub ncuav mog qab zib pre-pressed tsis tswj kom zoo, nws yuav cuam tshuam rau cov roj yield efficiency ntawm cov txheej txheem leaching. Piv txwv li, yog tias cov roj cov ntsiab lus ntawm lub ncuav mog qab zib pre-pressed yog siab dhau lawm, qhov tsis sib xws hnyav tuaj yeem tshwm sim thaum leaching; yog tias cov roj cov ntsiab lus tsawg dhau, cov roj ntau dhau yuav poob thaum lub sij hawm ua ntej nias.
• Extrusion leaching: Txij li cov txheej txheem extrusion tuaj yeem tawg tag nrho cov roj hlwb thiab tso cov roj kom huv si, cov kuab tshuaj tuaj yeem tshem cov roj tau zoo dua thaum lub sij hawm leaching. Feem ntau hais lus, cov roj yield ntawm extrusion leaching tuaj yeem ncav cuag li 95% - 98%, uas muaj qee yam zoo dua li pre-pressing leaching, tshwj xeeb tshaj yog rau qee cov roj uas muaj roj ntau thiab nyuaj rau kev rhuav tshem cov qauv ntawm tes, xws li taum pauv, kev txhim kho cov roj tawm los yog pom tseeb dua.
• Roj zoo
• Pre-pressing leaching: Qhov zoo ntawm cov roj pre-pressed crude yog qhov tsis zoo thiab muaj ntau cov impurities, xws li phospholipids, fatty acids dawb, thiab lwm yam. impurities. Tom qab leaching, cov ntsiab lus impurity nyob rau hauv cov roj crude yog tseem siab, thiab ib tug complex refining txheej txheem yuav tsum tau kom tau cov roj zoo. Txawm li cas los xij, qee qhov ntuj antioxidants hauv cov roj ua ntej nias yuav raug khaws cia zoo, uas muaj txiaj ntsig zoo rau oxidative stability ntawm cov roj.
• Extrusion extraction: Cov roj crude tau los ntawm extrusion extraction yog zoo heev. Vim tias cov txheej txheem extrusion tuaj yeem ua rau cov impurities xws li phospholipids rau qee qhov, nws yooj yim dua los cais cov roj thaum lub sij hawm rho tawm. Ntxiv mus, vim yog cov qauv ntawm cov khoom siv extruded, kev faib tawm ntawm impurities hauv cov roj av rho tawm kuj tseem sib xws, uas yooj yim rau kev tswj hwm thaum lub sijhawm ua kom zoo. Cov roj refined uas tau txais muaj lub teeb xim, zoo tsw, thiab cov ntsiab lus tsawg ntawm impurities xws li phospholipids thiab dawb fatty acids.
4. Khoom qab zib zoo
• Pre-pressing hnyav rho tawm
• Cov kev ntxhib los mos ntawm lub ncuav mog qab zib pre-pressed yog cov compact vim mechanical pressing. Cov qib ntawm cov protein denaturation yog qhov tsawg, thiab thaum siv los ua noj, qhov digestibility ntawm cov protein yuav raug cuam tshuam rau qee yam. Txawm li cas los xij, cov duab ntawm lub ncuav mog qab zib pre-pressed yog qhov ua tiav, uas yooj yim thaum khaws cia thiab kev thauj mus los. Piv txwv li, thaum ua cov zaub mov soybean, cov khoom ntawm cov zaub mov ua ntej cov taum pauv tau loj dua, thiab lawv tuaj yeem raug crushed thiab ua tiav raws li xav tau hauv cov mis pub.
• Extrusion hnyav leaching
• Lub ncuav mog qab zib tom qab extrusion leaching yog cov khoom ntawm extrusion, nrog xoob qauv thiab siab porosity. Cov qauv no ua rau cov protein nyob rau hauv lub ncuav mog qab zib heev denatured, uas yog ntau conducive rau tsiaj zom thiab nqus. Nyob rau hauv kev lag luam pub, extruded ncuav mog qab zib muaj cov khoom noj muaj txiaj ntsig ntau dua, thiab vim nws cov qauv xoob, nws tuaj yeem sib xyaw zoo dua nrog lwm cov khoom siv raw thaum lub sij hawm pub noj. Txawm li cas los xij, qhov ntom ntawm cov ncuav mog qab zib extruded yog qhov tsawg, thiab nws yuav siv sij hawm ntau qhov chaw thaum lub sij hawm cia thiab kev thauj mus los.
5. Kev siv hluav taws xob thiab cov nqi tsim khoom
• Kev siv hluav taws xob
• Pre-pressing leaching: Cov kev sib txuas ua ntej yuav tsum tau siv qee lub zog ntawm cov neeg kho tshuab kom tsav cov ntsia hlau nias rau kev nias, thiab lub zog siv feem ntau yog siv los muab lub zog. Cov leaching txuas yuav tsum tau ua kom sov cov kuab tshuaj thiab cov roj sib xyaw, thiab cov txheej txheem evaporation thiab stripping kuj tseem siv ntau lub zog. Feem ntau, lub zog noj ntawm pre-pressing leaching yog qhov siab, tshwj xeeb tshaj yog nyob rau hauv cov txheej txheem kev sib txuas ntawm kev sib txuas ua ntej thiab leaching. Yog tias nws tsis ua haujlwm zoo, nws yuav ua rau lub zog pov tseg.
• Extrusion leaching: Qhov txuas extrusion yuav tsum tau siv hluav taws xob ntau dua thiab thermal zog vim tias cov roj yuav tsum tau mus txog qhov kub thiab txias hauv lub extruder. Txawm li cas los xij, vim tias cov ntaub ntawv puffed muaj qhov zoo dua rau kev nkag mus rau cov kuab tshuaj thaum lub sij hawm leaching, lub sij hawm leaching yuav luv luv, thiab lub zog noj ntawm cov txheej txheem leaching tej zaum yuav txo qis piv rau pre-pressing leaching. Los ntawm qhov kev xav ntawm tag nrho cov txheej txheem, tag nrho lub zog noj ntawm puffing leaching yog sib npaug los yog me ntsis qis dua li ntawm pre-pressing leaching.
• Tus nqi tsim khoom
• Pre-pressing leaching: Nyob rau hauv cov nqe lus ntawm cov cuab yeej siv, kev nqis peev hauv cov ntsia hlau nias thiab cov khoom siv leaching yog qhov loj. Cov nqi khiav lag luam suav nrog cov nqi ua haujlwm, cov nqi kho cov khoom siv, cov nqi hluav taws xob, thiab lwm yam. Vim tias cov txheej txheem ntawm pre-pressing leaching yog qhov nyuaj thiab muaj ntau yam khoom siv, cov nqi zog thiab cov khoom siv tu cov khoom yuav siab.
• Puffing leaching: Tus nqi ntawm lub tshuab puffing yog tus nqi siab, uas ua rau cov khoom siv peev nyiaj ntau ntxiv. Txawm li cas los xij, los ntawm qhov kev xav ntawm kev ua haujlwm mus sij hawm ntev, vim yog cov txiaj ntsig kev lag luam coj los ntawm kev txo qis hauv kev siv hluav taws xob thiab cov roj ntau dua, nrog rau qhov zoo ntawm cov khoom qab zib zoo hauv kev lag luam pub, nws cov nqi tsim khoom tuaj yeem sib npaug. rau qee qhov, thiab nws yuav muaj txiaj ntsig zoo dua hauv qee qhov kev tsim khoom loj.
Peb Vic Machinery tuaj yeem xaiv cov kab tsim roj raws li koj cov ntaub ntawv raw thiab lub peev xwm. Tuaj thiab tso koj daim ntawv xaj nrog peb!