Taw qhia: Txoj Haujlwm Zoo ntawm Cua Separators hauv Kev Lag Luam Petrochemical
Nyob rau hauv niaj hnub petrochemical kev lag luam saw, industrial gas systems yog ib qho tseem ceeb ntawm cov khoom siv hluav taws xob. Lub Cua Separation Unit (ASU) yog lub luag haujlwm rau kev sib cais huab cua rau hauv cov pa roj tseem ceeb xws li siab - purity oxygen thiab nitrogen, thiab yog lub hauv paus tseem ceeb rau kev ua kom muaj tshuaj lom neeg tsis tu ncua.
Kev tshawb fawb qhia tau hais tias nyob rau hauv kev ua hauj lwm ntawm loj -scale petrochemical tuam txhab uas muag, oxygen, dej, thiab chav tshuab ua ke tsim ib tug tseem ceeb kev txhawb nqa ntawm cov nqi ntau lawm, thiab oxygen mov ncaj qha cuam tshuam rau efficiency thiab stability ntawm ntau yam tseem ceeb tshuaj tiv thaiv txheej txheem.
Los ntawm stably outputting industrial gases, lub ASU enables complex petrochemical txheej txheem ua hauj lwm tsis tu ncua, zoo, thiab nyab xeeb; Yog li ntawd, nws txoj kev ntseeg siab ua haujlwm ncaj qha cuam tshuam rau tag nrho cov peev txheej cog.
Basic Working Principple of the Air Separation Unit (ASU)
Cov cuab yeej tseem ceeb ntawm ASU feem ntau hu ua "Cold Box," thiab nws cov haujlwm tseem ceeb yog:
Compressing thiab purifying cua
Liquefying gases ntawm qhov tsis tshua muaj kub
Sib cais cov pa roj siv qhov sib txawv hauv cov ntsiab lus kub
Los ntawm kev siv tshuab cryogenic distillation, cov hauv qab no tuaj yeem tau txais:
Cov pa oxygen (GOX)
Nitrogen
Lwm yam los ntawm - cov khoom siv roj
Kev hloov pauv kub kub yog qhov tseem ceeb ntawm lub cev lub cev rau kev ua tiav huab cua sib cais.
Hauv kev lag luam petrochemical, kev sib cais ntawm huab cua cryogenic yog suav tias yog tib txoj kev siv tshuab muaj peev xwm ua tau raws li qhov xav tau rau siab purity thiab loj - teev ntau lawm.
Core Requirements of Industrial Gases in Petrochemical processing
Petrochemical ntau lawm suav nrog ntau qhov siab - kub, siab - siab, thiab cov txheej txheem catalytic. Cov txheej txheem no tso cov kev cai hauv qab no rau kev lag luam gases:
Nruam thiab ruaj khov khoom
Cov qauv purity siab
Loj txaus tus nqi tso zis
Kev ntseeg siab ua haujlwm
Oxygen, tshwj xeeb, yog suav tias yog ib qho tseem ceeb reactant nyob rau hauv ntau cov tshuaj tiv thaiv, tsis yog ib qho yooj yim pab nruab nrab.
Cov ntawv qhia tau hais tias cov pa oxygen yog ib qho tseem ceeb tshaj plaws ntawm cov khoom siv hluav taws xob hauv petrochemical ntau lawm thiab tau siv dav hauv ntau cov txheej txheem chemical synthesis.
Lub luag haujlwm tseem ceeb ntawm Cov Cua Sib Nqus Cov Cuab Yeej hauv Petrochemical Processing
4.1 Lub luag haujlwm ntawm Oxygen hauv Tshuaj Oxidation Reactions
Lub siab -purity oxygen muab los ntawm huab cua sib cais units yog dav siv nyob rau hauv oxidation cov tshuaj tiv thaiv, xws li:
Propylene oxidation rau propylene oxide
Kev tsim cov nitric acid
Ethylene oxide manufacturing
Vinyl chloride ntau lawm thiab lwm yam khoom siv tshuaj raw khoom
Cov tshuaj tiv thaiv no feem ntau xav tau kev tswj xyuas cov pa oxygen concentration; txwv tsis pub, cov tshuaj tiv thaiv xaiv thiab tawm los yuav raug cuam tshuam.
Cov khoom siv oxygen ruaj khov tuaj yeem txhim kho cov tshuaj tiv thaiv zoo thiab cov khoom zoo.
4.2 Txhim kho Refining thiab Cracking Unit Production Efficiency
Hauv refining thiab cracking units, oxygen plays lub luag haujlwm tseem ceeb hauv kev txhim kho combustion thiab cov tshuaj tiv thaiv:
Txhim kho cracker kub tswj peev xwm
Txhim khu kev ua tau zoo ntawm high -octane Cheebtsam
Ua kom tag nrho cov peev txheej
Cov kev tshawb fawb qhia tau hais tias cov pa oxygen tuaj yeem txhim kho kev ua haujlwm ntawm cov khoom tawg yooj yim, yog li ua kom cov khoom siv hluav taws xob nce ntxiv.
4.3 Txhim kho cov roj thiab roj ntws thiab kev ua haujlwm zoo
Hauv kev ua cov roj thiab roj, cov pa oxygen kuj tseem siv los txhim kho cov kua dej, xws li:
Txo cov roj viscosity
Optimizing roj thiab roj ntws zog
Txhim kho kev thauj mus los
Qhov no yog qhov tseem ceeb tshwj xeeb rau kev ua cov roj hnyav lossis cov khoom noj khoom haus.
4.4 Tswj kev ua qias tuaj thiab cov khoom tsim tawm
Cov chav sib cais huab cua ncaj qha koom nrog kev tswj ib puag ncig:
Txo cov sulfur deposition tsim
Txhim kho combustion tiav
Txo cov pa phem emissions
Los ntawm kev ua kom zoo dua cov pa oxygen, qhov tsim ntawm cov khoom siv thaum lub sij hawm ua kom zoo tuaj yeem txo qis, txhim kho kev huv ntawm chav ua haujlwm.
Qhov tseem ceeb ntawm ASU rau Coal -rau -Liquid (CTL) thiab Integrated Petrochemical Processes
Hauv cov txheej txheem thee-rau-Cov kua (CTL), lub tshuab cais tawm yog suav tias yog ib qho ntawm cov khoom tseem ceeb.
Cov laj thawj muaj xws li:
Cov txheej txheem CTL yog nyob ntawm cov khoom siv oxygen.
Oxygen ncaj qha txiav txim siab cov syngas ntau lawm efficiency.
Kev hloov pauv hauv cov khoom siv roj tuaj yeem cuam tshuam rau tag nrho cov saw hlau ntau lawm.
Txoj kev tshawb no qhia meej meej tias chav tsev txias txias yog ib qho tseem ceeb ntawm cov khoom siv hauv CTL txheej txheem, thiab nws txoj haujlwm ruaj khov ncaj qha txiav txim siab kev tsim khoom txuas ntxiv.
Qhov tseem ceeb ntawm Kev Nruam Oxygen Supply rau Kev Ua Haujlwm ruaj khov
Petrochemical cov nroj tsuag yog cov txheej txheem ntau lawm. Kev cuam tshuam ntawm cov pa oxygen yuav ua rau:
Chav tsev kaw
Ntau lawm poob
Muaj kev nyab xeeb ntxiv
Yog li ntawd, chav sib cais huab cua tsis yog tsuas yog cov cuab yeej tsim khoom, tab sis kuj:
Ib qho tseem ceeb lav qhov system rau kev ua haujlwm ruaj khov ntawm cov nroj tsuag petrochemical.
Cov ntaub ntawv tshawb fawb tau hais tias qhov kev thov oxygen tuaj yeem ncav cuag qhov ntsuas ntawm ntau dua 1.4 lab tons hauv ib teev, ntxiv rau ASU txoj haujlwm tseem ceeb hauv kev lag luam.
Xaus: Cua Separators yog "Lub Neej Txhawb Nqa" ntawm Cov Khoom Siv Hluav Taws Xob Niaj Hnub No
Hauv cov ntsiab lus, lub luag haujlwm ntawm huab cua sib cais hauv kev ua haujlwm petrochemical tuaj yeem raug sau tseg raws li hauv qab no:
Muab cov core reactant gas (oxygen)
Txhim kho tshuaj tiv thaiv kev ua haujlwm
Txhim kho refining thiab tawg muaj peev xwm
Txhim kho cov roj thiab roj ua haujlwm
Txo cov pa phem thiab teeb meem sedimentation
Txhawb kev ua haujlwm ntawm thee- mus rau - roj thiab loj - cov txheej txheem tshuaj lom neeg
Raws li kev lag luam petrochemical txhim kho mus rau qhov loj - nplai, txuas ntxiv, thiab siab - kev ua haujlwm tau zoo, cov cua cais tau hloov kho los ntawm cov khoom siv hluav taws xob mus rau qhov tseem ceeb ntawm cov txheej txheem tsim khoom.
Nws tuaj yeem hais tias:
Yog tsis muaj kev khiav hauj lwm ruaj khov huab cua sib cais, tsis muaj peev xwm tsim khoom txuas ntxiv hauv cov roj av niaj hnub.
