Dab tsi yog qhov cua cais chav tsev?
Air Separation Unit (ASU) yog ib txoj hauv kev siv los cais cov pa oxygen, nitrogen, argon thiab lwm yam tsis zoo ntawm huab cua. Cov txheej txheem no feem ntau yog raws li qhov sib txawv ntawm cov ntsiab lus kub ntawm cov khoom hauv huab cua, thiab pom tau los ntawm kev siv lub cev (xws li compression, txias, distillation, thiab lwm yam).
ASU yog dav siv nyob rau hauv ntau lub lag luam, xws li petrochemicals, metallurgy, electronics, kev kho mob, aerospace, thiab lwm yam, uas yog ib tug ntawm cov indispensable khoom nyob rau hauv kev lag luam.
Dab tsi yog qhov tseem ceeb ntawm ASU?
1. Cua compression system: Ua ntej, huab cua compressed mus rau qhov yuav tsum tau muaj kev kub siab los ntawm cov cua compressor loj los muab cov kev mob rau cov txheej txheem txias thiab liquefaction.
2. Cua purification system: compressed cua tej zaum yuav muaj impurities, xws li plua plav, ya raws, carbon dioxide, uas yuav tsum tau muab tshem tawm los ntawm molecular sieves los xyuas kom meej cov txheej txheem tom ntej.
3. Cua txias thiab liquefaction system: Purified cua yuav txias los ntawm lub tshav kub exchanger rau ib nrab los yog kiag li liquefy. Thaum lub sijhawm txheej txheem no, qhov kub ntawm huab cua yuav txo qis, thiab cov pa oxygen thiab nitrogen yuav ncav cuag qhov taw tes liquefaction.
4. Cua distillation system: Liquefied cua nkag mus rau hauv lub distillation ntauwd (tseem hu ua fractionation ntauwd), uas nws undergoes ntau ib feem evaporation thiab condensation txheej txheem, thiab yog sib cais los ntawm qhov sib txawv boiling ntsiab lus ntawm txhua yam. Thaum kawg, cov pa oxygen, nitrogen, argon, thiab lwm yam roj av yuav raug sau rau ntawm qhov chaw sib txawv hauv lub pej thuam.
5. Cov khoom khaws cia thiab kev thauj mus los: Cov pa oxygen, nitrogen thiab lwm yam khoom sib cais yuav raug khaws cia thiab thauj mus rau cov neeg siv kawg los ntawm cov kav dej lossis lub raj mis compressed.
Molecular sievesNws yog ib qho tseem ceeb nyob rau hauv huab cua sib cais units, tshwj xeeb tshaj yog nyob rau hauv gas purification thiab cais system, feem ntau nyob rau hauv cov ntsiab lus hauv qab no:
1. Adsorption ntawm impurities: Molecular sieves tuaj yeem xaiv adsorb noo noo, carbon dioxide, nitrogen oxides, hydrocarbons thiab lwm yam impurities hauv huab cua los ntawm lawv cov qauv siv lead ua tshwj xeeb thiab qhov pore loj. Yog tias cov impurities nkag mus rau hauv cov khoom sib cais huab cua, lawv tuaj yeem cuam tshuam rau kev ua haujlwm ntawm cov khoom siv thiab kev purity ntawm cov khoom.
2. Tiv thaiv kom tsis txhob khov: Cov dej vapor hauv huab cua yuav condense rau hauv cov dej khov hauv qhov chaw tsis muaj qhov kub thiab txias, uas tuaj yeem thaiv cov kab ntawm cov khoom siv hluav taws xob thiab cov khoom sib cais. Molecular sieves zoo tiv thaiv qhov tshwm sim ntawm cov teeb meem khov los ntawm adsorbing noo noo hauv huab cua.
3. Txhim kho cov pa purity: Cov nyhuv purification ntawm molecular sieves tuaj yeem ua kom cov pa roj muaj purity ntau dua thaum nkag mus rau cov txheej txheem, uas yog qhov tseem ceeb rau kev tsim cov pa oxygen, nitrogen, thiab lwm yam roj.
Hais txog Chemxin:
Chemxin yog cov chaw tsim khoom lag luam thiab xa tawm ntawm molecular sieve hauv Suav teb txij li xyoo 2002, nrog lub Hoobkas npog thaj tsam ntawm 42,000㎡, muaj peev xwm tsim txhua xyoo ntau tshaj 50,000 tons. Peb cov khoom nruj me ntsis ua raws li lub teb chaws tus qauv GBT 10504-2008. Muaj ntau cov neeg muas zaub muaj tswv yim hais tias peb13X APG molecular sieveyog sib npaug rau UOP molsieve UOP 13X APG adsorbent, thiab peb cov activated alumina yog sib npaug rau UOP D-201, Linde D-201.
Yog tias koj muaj kev xav tau lossis cov lus nug, thov koj xav tiv tauj peb ~
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