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Nov 23, 2020

Nqaij nqus plua plav tumbling kub, pub muaj peev xwm, thiab sijhawm


01 Lub hauv paus ntsiab lus ntawm dov

Tso cov nqaij txhaj nrog brine (suav nrog cov khoom siv pabcuam xws li phosphate) rau hauv lub tshuab tumbler, thiab khiav lub tshuab ntawm nrawm. Cov nqaij ua ke tau muab pov rau hauv lub plab ntawm lub tshuab. Ib feem ntawm cov nqaij yog tsa los ntawm baffle thiab ces ntog dawb do. Cov nqaij uas qis dua viav vias tawm tsam ib leeg. Vim tias txoj kev sib hloov tas mus li, txhua daim nqaij muaj lub sijhawm los tig nws tus kheej, txhuam txhua tus thiab sib tsoo nrog txhua lwm tus. Nyob rau hauv txoj kev no, lub qub tawv nqaij tuaj yeem muag muag, cov leeg nqaij ua tau so, cov dej ntsev tuaj yeem nkag mus thiab kis tau yooj yim, cov xim ntawm cov nqaij yuav ua tau zoo ib yam, thiab nws tuaj yeem sib xyaw.

Vim los ntawm cov roj tas mus li thiab sib xyaw zom zaws, cov protein nyob rau hauv cov leeg nqaij thiab cov dej tsis qab ntsev tuaj yeem tsim cov tshuaj colloidal. Thaum muab rhaub, qhov no ntawm cov protein yuav coagulate ua ntej kom tiv thaiv cov kua txiv kom tsis txhob xau thiab poob, yog li txhim kho cov dej kom zoo ntawm cov khoom Nws ua kom cov nqaij tshiab thiab kev sib tw, thiab tseem txhim kho cov paib. Tsis tas li ntawd, kev rho tawm ntawm cov ntsev-yaj ua ke cov protein ntau ua rau cov nplaum thiab cov nplais ntu ntawm cov khoom, thiab txhim kho cov khoom zoo.

02 Huab cua sov

Feem ntau, qhov kub thiab txias rau cov yob yuav tsum yog 0-4 ℃, vim tias ntawm qhov ntsuas kub no, kev loj hlob thiab rov ua dua ntawm ntau yam kab mob me me tuaj yeem txo mus rau qhov tsawg kawg nkaus. Raws li cov ntaub ntawv tshawb fawb ntsig txog, thaum cov nqaij filling yog yob ntawm 8 ° C lossis siab dua, txoj hlua khi, tso tawm thiab hlais ntawm cov khoom yuav raug txo kom tsawg, tab sis qhov ntsuas kub ntawm cov ib puag ncig dov tsis dhau. Txawm hais tias cov nqaij minced tuaj yeem ua rau lub sijhawm tumbling, txo cov nqi tsim khoom, thiab tau txais cov plaub hau xim zoo dua hauv qhov chaw sov, xav txog lub hauv paus zoo, lub neej txee, kev nyab xeeb thiab lwm yam ntawm cov khoom, qhov kub thiab txias rau tumbling yuav tsum yog 0 -4 ℃ yog tsim dua.

03 Tus nqi noj haus tiag

Kev muab cov khoom tsim nyog pov tseg yog lub hauv paus rau qhov ua kom tau qhov zoo tshaj plaws tumbling effect, thiab nws tseem yog qhov pib lav rau kev saib xyuas cov khoom tu. Yog hais tias qhov ntau npaum li cas ntawm kev pub noj mov yog qhov loj heev, cov poob thiab txav ntawm cov nqaij yuav raug txwv, thiab cov nyhuv yam xav tau yuav tsis tiav hauv lub sijhawm txheej txheem; ntawm qhov tsis sib xws, yog tias pub khoom noj tsawg dhau, cov nqaij yuav poob ntau dhau thiab cov nqaij yuav raug ntaus. Quav dhau lawm, uas ua rau cov nqaij ntuag ntev dhau, cov ntsiab lus ntawm cov nqaij yog mos heev, cov nqaij ntawm cov khoom lag luam raug txo, thiab qhov kub ntawm cov nqaij yuav nce sai, uas ua rau lub denaturation ntawm cov nqaij protein, thiaj li cuam tshuam sab hauv zoo ntawm cov khoom.

Yog li no, thaum tumbling, peb yuav tsum txiav txim siab qhov tseeb kev pub mis raws li qhov tsim muaj peev xwm ntawm lub tshuab tumbling kom ntseeg tau tias cov txiaj ntsig yam xav tau tuaj yeem ua tiav. Nws feem ntau yog pom zoo pub rau ntawm kwv yees li 60% ntawm cov khoom ntim. Nyob rau tib lub sijhawm, tus nqi noj haus tiag tiag tuaj yeem hloov kho me ntsis raws qhov loj thiab tuab ntawm cov nqaij kom ua tiav cov txiaj ntsig zoo tshaj plaws.

04 Lub Tshuab Nqus Tsev

Nqus plua plav yog ib qho haujlwm tseem ceeb tshaj plaws ntawm tus tumbler. Qhov kom zoo dua ntawm kev siv lub tshuab nqus mus rau hauv cov khoom lag luam yog tias los ntawm lub tshuab nqus tsev, huab cua ntawm cov nqaij nyoos thiab lawv cov exudates tuaj yeem tawm, yog li thermal nthuav yuav tsis tshwm sim tom qab thermal ua rau kev puas tsuaj rau cov qauv ntawm cov khoom. Nqus plua plav tumbling kuj pab txhim kho qhov tsos thiab xim ntawm cov nqaij ua kom zoo nkauj. Cov tshuaj tiv thaiv oxidation nyob rau hauv cov txheej txheem kho ntawm cov khoom lag luam yog cov tsis tshua zoo siab rau qhov pom thiab xim ntawm cov khoom. Kev siv lub tshuab nqus tsev yuav tsis ua rau oxidation cov tshuaj tiv thaiv thaum lub sijhawm txuas ntxiv mus txuas ntxiv. Lub tshuab nqus tsev tuaj yeem ua kom lub ntsev ua kom nkag mus rau hauv cov nqaij sai sai, thiab nws tseem yuav pab kom tshem tawm cov pores hauv cov nqaij, thiab lub tshuab nqus ua kom cov nqaij txhawm rau txhim kho qhov rhiab. Txawm li cas los xij, lub nqus tsev kawm ntawv qib siab yuav tsum tsis txhob siab dhau, txwv tsis pub cov dej noo hauv cov nqaij tau yooj yim tuaj yeem kos tawm hauv qab lub tshuab nqus tsev siab, uas yuav cuam tshuam rau qhov zoo ntawm cov nqaij filling. Feem ntau, qhov nqus qib yog -0.07 ~ -0.08Mpa.

Kev sib hloov ceev thiab kev taw qhia: Lub nrawm tumbling tswj kev poob cov nqaij hauv lub tshuab tumbling. Raws li cov khoom sib txawv, nws feem ntau tswj tau ntawm 8-12r / min. Ntxiv rau, lub tshuab tumbling yuav tsum maj mam muab thawb, zaws, nqa thiab tso cov nqaij kom ua tiav cov txiaj ntsig tumbling zoo dua.

Lub sijhawm ua haujlwm ntawm lub tshuab tumbling yuav tsum tsis txhob txuas ntxiv. Cov txheej txheem dav dav yog los txais yuav cov txheej txheem ntawm cov cuam tshuam sib nrug. Cia cov cuab yeej ua haujlwm rau lub sijhawm, tom qab ntawd nres rau ib lub sijhawm, thiab rov ua haujlwm dua (cov nqaij" so" hauv nruab nrab) kom txog thaum lub sijhawm yob tiav. Nyaj nyhuv. Yog tias cov khoom siv muaj qhov ua haujlwm rov qab, nws tseem tuaj yeem txais cov txheej txheem ntawm kev rov qab-rov qab-nres sib cuam tshuam, feem ntau kom zam dhau qhov nce ntawm cov nqaij kub vim los ntawm kev sib txhuam, thiab tib lub sijhawm ua kom cov qauv ntawm cov nqaij tsis yooj yim puas ntsoog.

05 tag nrho cov sij hawm dov

Txhawm rau txiav txim siab yob tag nrho lub sijhawm yog qhov tseem ceeb ua tiav kom ua tiav cov txiaj ntsig yob. Cov qauv mis dav dav rau kev laij lub sijhawm yob tag nrho ntawm lub tshuab dov tshuab yog T=U × N / L. Qhov twg T sawv cev rau lub sijhawm sib hloov tagnrho ntawm lub cev tumbler (lub sijhawm ntawm tumbler sib quas ntus tsis suav nrog); U sawv cev rau lub kaum sab hauv ntawm tumbler (lub taub puab ntawm tumbler yog khoo los ntawm pi); N sawv cev rau tumbler Kev sib hloov nrawm; L yog qhov tas mus li, sawv cev rau tag nrho qhov kev ncua deb ntawm tumbler kev sib hloov, qhov kev sib hloov nrug L feem ntau tswj tau ntawm 10000-12000m


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