Kev tshem tawm oxygen ntau dhau.Los ntawm cov khoom siv sib npaug, thaum ua tiav huab cua ntim thiab nitrogen purity yog tsau, tsuas yog ib qho ntawm cov pa oxygen tuaj yeem raug tshem tawm kom tswj tau qhov xav tau oxygen purity. Yog hais tias tus nqi rho tawm siab dhau lawm, qhov purity yuav inevitably ua tsis tau raws li qhov yuav tsum tau ua. Los ntawm qhov kev xav ntawm distillation, kev tshem tawm cov pa ntau dhau yuav txo qhov nce vapor ntim hauv ntu ntu ntawm kab ntawv sab saud, ua kom cov reflux piv, thiab ua rau tsis txaus evaporation ntawm nitrogen (argon) los ntawm cov kua, ua rau cov pa purity txo. Nyob rau hauv cov ntaub ntawv no, lub valve xa oxygen yuav tsum tau kaw ib nrab kom txo cov pa oxygen txaus, thaum lub nitrogen xa valve yuav tsum tau qhib dav dua kom tswj lub siab sab sauv.
Tsawg oxygen purity hauv cov huab cua ua kua.Tsawg oxygen purity nyob rau hauv cov huab cua ua kua qhia tau hais tias huab cua ntau dhau. Qhov no ua rau kom cov khoom sib cais nyob rau hauv lub stripping seem ntawm sab sauv thiab muab ntau dhau reflux kua rau nitrogen (argon) Cheebtsam kom evaporate tag nrho, ua rau txo oxygen purity. Cov kab mob qis qis qis yuav tsum tau hloov kho kom tsim nyog ua kom cov pa oxygen hauv cov pa ua kua.
Tshaj tawm huab cua ntws mus rau sab saud.Qhov loj dua qhov nthuav dav huab cua nkag mus rau sab saud, qhov qis nitrogen tso tawm purity. Yuav kom tswj tau cov pa oxygen ntim, cov pa purity yuav tsum txo qis. Thaum nthuav dav huab cua ntau dhau, nws cuam tshuam cov kev ua kom zoo li qub nyob rau hauv kab sab sauv, ua rau muaj kev poob qis hauv oxygen purity. Yog hais tias muaj ntau tshaj qhov txias txias nyob rau hauv kem, lub expander txaus yuav tsum tau txo. Yog hais tias cov kua oxygen qib yog ib txwm, ib feem ntawm cov huab cua nthuav dav yuav tsum tau bypassed kom txo qis ntws mus rau sab sauv.
Cov pa oxygen siab hauv cov condenser -evaporator.Thaum lub ntsiab condenser kua oxygen qib nce, nws qhia tau hais tias qhov nqis los ntawm cov kua ntim ntau tshaj qhov evaporation tus nqi, ua rau cov reflux piv nyob rau hauv lub stripping seem thiab txo cov pa purity. Nyob rau hauv tas li ntawd, lub expander ntws yuav tsum tau txo. Yog hais tias cov kua oxygen qib siab heev thiab cov pa purity tsis zoo thiab nyuaj rau kho, qee cov pa oxygen yuav tsum tau tso tawm kom siv tag nrho cov tshav kub pauv ntawm lub condenser - evaporator, tom qab ntawd rov ua dua - kho. Kev nce qib tseem ceeb ntawm cov kua roj carbon dioxide kuj tseem tuaj yeem tshwm sim los ntawm ntau cov khoom carbon dioxide nkag mus rau hauv cov kua oxygen, ua kom tsis zoo hloov mus rau cov cua sov thiab tiv thaiv cov kua oxygen evaporation, yuam kom txo cov pa tawm. Yog tias tsim nyog, chav tsev yuav tsum raug kaw kom sov.
Txo cov tais diav kom zoo.Yog hais tias cov tais distillation ua deformed, lub cev qaij qaij, lossis lub qhov sieve raug thaiv los ntawm cov khoom tsis huv, cov pa roj -kua kua hloov ua haujlwm ntawm txhua lub tais yuav raug cuam tshuam, ua rau purity poob. Yog tias lub voj voog ua haujlwm tau ntev thiab lub tais ua haujlwm tau nce, lub tsev yuav tsum raug kaw kom sov.
Cov xwm txheej tsis zoo distillation.Thaum dej nyab los yog quaj tshwm sim hauv kab distillation, ib txwm distillation tej yam kev mob cuam tshuam, ua rau purity txo. Kev ntsuas tshwj xeeb yuav tsum tau ua raws li qhov xwm txheej kom tshem tawm cov kev ua haujlwm txawv txav.
Main condenser leakage.Tsis zoo brazing zoo nyob rau hauv lub condenser- evaporator, hnav evaporator raj, tawg hauv zos, los yog me me xau tuaj yeem ua rau siab dua -siab gaseous nitrogen kom ntws mus rau qis dua - siab oxygen sab, txo cov pa purity. Thaum cov purity poob qis me ntsis, qhov sib txawv ntawm cov pa oxygen thiab gaseous oxygen purity tuaj yeem txheeb xyuas los txiav txim qhov xau. Thaum qhov sib txawv no tshaj qhov ib txwm vapor-kua sib npaug ntawm qhov sib txawv ntawm qhov sib txawv, qhov xau feem ntau yog qhov ua rau, thiab yuav tsum tau kaw rau kev saib xyuas.
