Cov ntshiab nchav yog npaj los ntawm distillation. Lub condensate yuav tsum ua kom tau raws li qhov yuav tsum tau ua rau kev txhaj tshuaj. Cov ntshiab pa yog npaj los ntawm cov dej nyoos. Cov dej nyoos siv tau raug kho thiab tsawg kawg yog ua tau raws li cov cai rau cov dej haus. Ntau lub tuam txhab yuav siv cov dej lossis dej txhawm rau txhaj tshuaj los npaj cov tshuaj ntshiab. Cov huv huv huv huv tsis muaj qhov sib txawv ntxiv thiab yog li ntawd tsis paug los ntawm kev paug los ntawm cov tawv nqaij lossis cov tawv nqaij impurities, uas yog qhov tseem ceeb tshaj plaws hauv kev tiv thaiv cov khoom muaj kuab.
Ntshiab ncu pa hluav taws xob muaj cov cwj pwm hauv qab no thiab siv:
1. Txhawm rau kom txo cov ntsiab lus impurity hauv chav, peb feem ntau pib los ntawm ob yam: ntshiab ncu hluav taws xob cov khoom siv thiab cov dej. Txhua qhov chaw hauv cov khoom siv uas tuaj yeem nkag mus rau hauv chav thiab chav tso zis kav yog ua los ntawm cov kav hlau tsis muaj zog, thiab yog nruab nrog cov dej muag muag kom huv rau lub chav. Lub tshuab hluav taws xob muab cov dej kom txo cov ntsiab lus tsis huv hauv chav. Cov cuab yeej siv no feem ntau siv nyob rau hauv kev ua zaub mov noj, chaw kuaj tshuaj thiab kev tsis huv.
2. Txhawm rau txhim kho lub purity ntawm chav, txo cov ntsiab lus dej, thiab ua tiav cov chav dej qhuav lossis cov txheej txheem hloov kho tshiab feem ntau yuav tsum tau ua. Feem ntau hais lus, ntshiab ncu cov tshuab hluav taws xob sib haum rau qhov kub siab dua, ntsuas, thiab cov ntaub pua loj dua. Cov cuab yeej siv no feem ntau siv rau kev sim kev tshawb fawb thiab kev txhawb nqa kev kho mob.
Cov khoom siv ntshiab yog cov khoom tseem ceeb rau kev ncua thiab cov khoom siv tsis muaj menyuam hauv biopharney, kev kho mob, kev noj qab haus huv thiab zaub mov noj. Cov kev lag luam no yog qhov tseem ceeb heev rau kev txhim kho ntawm noob neej. Yog li no, ntau thiab ntau lub tuam txhab them sai sai rau kev tu thiab tshuaj tua kab ntawm cov khoom ntshiab tsim hluav taws xob. Txhawm rau kom ntseeg tau tias kev tu thiab tshuaj tua kab ntawm cov khoom ntshiab ua kom tau raws li cov khoom siv tau thiab ua kom zoo dua ntawm cov cuab yeej kom zoo nkauj thiab kev tu kom huv si thiab tshuaj tua kab mob.
1. Ntxuav ntawm sab nraud ntawm cov khoom siv thiab cov yeeb nkab fittings
Siv daim ntaub ntub dej uas muaj cov ntaub pua plag txhua hnub ua ntej tig mus.
2. Siv cov kua dej ntxuav kom huv
Kev daws tshuaj ntxuav huv siv yuav tsum tau siv rau kev ntxuav ib hlis ib hlis ib zaug, siv dej deionized thiab pickling tus neeg sawv cev + neutralizing tus neeg sawv cev. Tus neeg sawv cev pickling yuav tsum yog 81-ib hom kev nyab xeeb pickling tus neeg sawv cev ntawm 5-10% thiab ntsuas kub ntawm 60 degrees Celsius. Tus neeg sawv cev nruab nrab yuav tsum yog sodium bicarbonate aqueous kua, nrog rau ib qho kev xav ntawm 0.5% -1%, thiab qhov kub yuav tsum tau tswj hwm thaum txog 80-100 degrees Celsius. Nco tseg: Tus neeg saib xyuas tus neeg sawv cev ntawm tus neeg sawv cev thiab nruab nrab tus neeg sawv cev xaiv tau xaiv tau tias lawv tsis ua kev puas tsuaj rau cov yas hluav taws xob yeeb nkab cov khoom siv. Txoj kev ua haujlwm: kaw lub thermal resistor valve, twj tso kua mis rau lub tshuab los ntawm cov dej nyoos Inlet, thiab tso nws tawm ntawm lub qhov hluav taws xob. Rov ua lub voj voog ob peb zaug raws li cov av ntawm lub tshuab hluav taws xob kom yaj txog 1 teev, thiab tom qab ntawd siv nws tom qab pickling. Tus neeg sawv cev nruab nrab yog rov qab ntxuav rau 3-5 teev thiab tom qab ntawd yaug nrog dej deionized rau 3-5 teev. Txheeb xyuas cov dej tawm yog nruab nrab ua ntej lub tshuab hluav taws xob chav hluav taws xob tuaj yeem muab tso rau hauv kev ua haujlwm ib txwm muaj.
3. Tom qab pib raws li txoj kev ua haujlwm ib txwm muaj, cia nws khiav ib txwm, thiab tom qab ntawd tua cov dej nyoos kom maj nrawm mus rau hauv cov tais thiab tau tso tawm ntawm cov yeeb nkab ncu.
Lub Sijhawm Post: Feb-29-2024