Hauv kev lag luam npias, kev kho cov dej khib nyiab yog ib txoj haujlwm nyuaj thiab nyuaj heev. Muaj ntau cov dej khib nyiab tsim tawm thaum lub sijhawm tsim npias, uas muaj cov organic thiab cov as-ham ntau. Nws yuav tsum tau ua ntej kho ua ntej nws tuaj yeem ua kom huv si hauv cov chaw kho dej khib nyiab ib txwm muaj. Polyacrylamide (PAM), ib qho polymer uas muaj molecular hnyav, tau dhau los ua ib qho kev daws teeb meem zoo rau kev kho cov dej khib nyiab hauv cov chaw ua npias. Tsab xov xwm no yuav tshawb nrhiav seb PAM tuaj yeem txhim kho cov txheej txheem kho cov dej khib nyiab hauv cov chaw ua npias thiab pab txhawb rau kev txhim kho kom ruaj khov li cas.
Cov yam ntxwv ntawm cov dej khib nyiab ua npias
Kev tsim npias muaj ntau theem, suav nrog kev ua malt, kev sib tsoo, kev sib tsoo, kev npau, kev lim dej, kev ntxiv hop, kev fermentation, kev loj hlob, kev ua kom pom tseeb thiab kev ntim khoom. Cov dej khib nyiab los ntawm ntau qhov chaw sib txawv yuav raug tsim tawm hauv cov txheej txheem no, feem ntau suav nrog:
- Ntxuav dej hauv cov txheej txheem tsim cov malt
- Cov dej ntxuav uas khov lawm
- Cov dej ntxuav rau cov txheej txheem saccharification
- Cov dej ntxuav lub tank fermentation
- Cov dej ntxuav hauv lub thawv thiab lub raj mis
- Dej txias
- Ntxuav dej hauv lub chaw ua haujlwm tiav lawm
- Thiab qee cov dej phwj hauv tsev
Cov dej khib nyiab no feem ntau muaj cov organic xws li cov protein, poov xab, polysaccharides thiab cov noob seem. Cov dej zoo yog qhov nyuaj thiab kev kho mob yog qhov nyuaj.
PAM txhim kho kev kho dej khib nyiab hauv cov chaw ua cawv li cas
Yuav Ua Li Cas Xaiv Polyacrylamide Rau Kev Kho Dej Pov Tseg Hauv Brewery
Hauv kev kho cov dej khib nyiab ntawm cov chaw ua cawv, kev xaiv hom thiab koob tshuaj PAM kom raug yog qhov tseem ceeb heev. Yuav kom ua tiav qhov kev kho mob zoo tshaj plaws, nws yog qhov tsim nyog los txiav txim siab qhov hnyav molecular, hom ion thiab koob tshuaj ntawm PAM los ntawm kev kuaj hauv chaw kuaj mob thiab hauv tsev ua ke nrog cov khoom tshwj xeeb thiab cov yam ntxwv zoo ntawm cov dej khib nyiab.
Cov yam tseem ceeb muaj xws li:
Cov hom khoom siv uas raug tshem tawm hauv cov dej khib nyiab:Cov dej khib nyiab ntawm npias feem ntau muaj cov organic xws li cov protein, poov xab, thiab polysaccharides, tshwj xeeb tshaj yog cov poov xab thiab malt protein.
Tus nqi pH ntawm cov dej khib nyiab:Cov nqi pH sib txawv ntawm cov dej khib nyiab kuj tseem tuaj yeem cuam tshuam rau kev ua haujlwm ntawm PAM.
Qhov turbidity ntawm cov dej khib nyiab:Cov dej khib nyiab uas muaj cov av nkos siab xav tau cov tshuaj flocculants zoo dua kom ntseeg tau tias cov dej noo zoo.
PAM feem ntau muab faib ua peb hom: cationic, anionic thiab nonionic. Rau cov dej khib nyiab npias uas muaj cov organic ntau thiab muaj tus nqi tsis zoo, cationic PAM uas muaj molecular hnyav feem ntau yog qhov kev xaiv zoo tshaj plaws. Nws lub peev xwm flocculation muaj zog tuaj yeem daws cov khoom tsis huv sai thiab txhim kho kev ua haujlwm ntawm kev tshem tawm cov khoom khov.
Qhov ntau npaum li cas ntawm PAM yog qhov tseem ceeb rau qhov ua tau zoo ntawm kev kho dej khib nyiab. Ntxiv PAM ntau dhau yuav ua rau muaj pov tseg thiab tsim cov sludge ntau dhau, thaum ntxiv tsawg dhau yuav ua rau tsis zoo rau kev kho. Yog li ntawd, kev tswj hwm qhov ntau npaum li cas ntawm PAM kom raug yog qhov tseem ceeb heev.
Polyacrylamide (PAM) muab kev daws teeb meem zoo, pheej yig thiab zoo rau ib puag ncig rau kev kho dej khib nyiab hauv cov chaw ua dej cawv. Nws lub peev xwm los flocculate thiab coagulate cov khoom dais pab txhim kho qhov zoo ntawm dej, kev lim dej zoo thiab kev tswj hwm dej khib nyiab. Yuncang mob siab rau kev muab cov tshuaj kho dej zoo kom tau raws li qhov xav tau tshwj xeeb ntawm ntau yam lag luam, suav nrog cov chaw ua dej cawv. Peb muaj peev xwm xaiv hom thiab koob tshuaj PAM kom raug kom ntseeg tau tias muaj kev ua haujlwm zoo tshaj plaws, txo cov nqi khiav lag luam thiab kev cuam tshuam rau ib puag ncig. Nrog peb cov kev txhawb nqa kev txawj ntse thiab cov kev daws teeb meem yooj ywm, peb pab peb cov neeg siv khoom ua tiav cov dej huv dua, txhim kho kev ruaj khov, thiab ua tau raws li cov qauv kev cai. Xaiv Yuncang kom tau txais cov kev daws teeb meem kho dej txhim khu kev qha, pheej yig thiab zoo rau ib puag ncig.
Lub sijhawm tshaj tawm: Cuaj hlis-26-2025