Daim Ntawv Thov Feem Ntau Ntawm Lub Deoxygenation Ntauwd Reflux Tank

Ua ntej- kho Naphtha hauv Petroleum Refining
Hauv kev lag luam petrochemical reflux, tshwj xeeb tshaj yog thaum npaj cov ntaub ntawv raw rau catalytic hloov chaw, lub deoxygenation ntauwd reflux tank yog ib qho ntawm cov khoom tseem ceeb hauv naphtha pre{0}}reatment unit (pre-hydrogenation unit).
• Lub hom phiaj tseem ceeb: Thaum lub sij hawm khaws cia thiab kev thauj mus los, cov naphtha nyoos dissolves me me ntawm oxygen. Raws li kev kub ntxhov hydrogenation tom qab, cov pa oxygen tuaj yeem ua rau muaj kev cuam tshuam ntawm oxidation polymerization, tsim cov av nplaum, ua rau cov khoom siv thaiv, catalyst lom, thiab ua rau lub cev poob siab. Yog li ntawd, nws yuav tsum tau muab tshem tawm zoo ua ntej hydrogenation.
•Kev ua haujlwm: Tom qab naphtha nkag mus rau lub deoxygenation ntauwd, nws yog rhuab thiab vaporized, thiab lub teeb xws li yaj cov pa tawm tawm ntawm lub sab saum toj ntawm tus pej thuam. Cov ntaub ntawv gaseous no txias thiab condensed los ntawm ib tug deoxygenation ntauwd sab saum toj txias (xws li ib tug circulating cooler) thiab ces nkag mus rau lub deoxygenation ntauwd sab saum toj reflux tank. Nyob rau hauv lub tank reflux, roj, kua (roj), thiab dej yog sib cais nyob rau hauv peb theem: cais non-condensable gas (muaj oxygen, lub teeb hydrocarbons) yog tawm mus rau lub flare network; cov kua theem ib feem yog xa rov qab mus rau sab saum toj ntawm lub deoxyation ntauwd li reflux los ntawm ib tug reflux twj tso kua mis los tswj lub loj hloov efficiency nyob rau hauv lub pej thuam; cov dej sib cais yog tawm los ntawm cov pob dej hauv qab ntawm lub tank. lub kaw lus tuaj yeem hloov kho rau cov khoom siv sib txawv thiab cov kev xav tau los ntawm kev tswj hwm lub siab ntawm cov pej thuam (xws li qis- kev ua haujlwm siab txog 0.05MPaG lossis ua haujlwm txog 0.45MPaG).

Kev siv tshwj xeeb hauv kev tsim tshuaj
Hauv qee cov nroj tsuag tshuaj, cov khoom siv nrog cov ntsiab lus zoo sib xws kuj ua lub luag haujlwm tseem ceeb, qee zaum ua haujlwm ntawm cov peev txheej rov qab los.
•Cyclohexanol ntau lawm: Hauv chav tsev cyclohexanol, cov dej sib cais los ntawm kev sib cais ntauwd reflux tank dej pob yog oxygengenated siab - dej huv. Cov dej no muaj cov dej zoo heev thiab tuaj yeem siv ncaj qha thiab xa mus rau cyclohexene hydration cov tshuaj tiv thaiv raws li cov dej siv, hloov ib feem ntawm lub network deoxygenated siab - dej huv. Qhov no tsis tsuas yog txuag cov dej tshiab thiab cov nqi tsim khoom, tab sis kuj txo cov load ntawm theewater kho system.
•Butadiene ntau lawm: Nyob rau hauv txoj kev acetonitrile los tsim butadiene, lub de- lub teeb ntauwd reflux tank yog siv los deoxygenation inhibitor. Daim ntawv thov no muab lub de- lub teeb ntauwd, uas Ameslikas tsis muaj kev ua haujlwm ntawm deoxygenation, muaj peev xwm deoxygenate zoo txo ​​cov tiam ntawm butadiene peroxides thiab polymers thiab ua kom muaj kev nyab xeeb thiab ruaj khov ntawm chav tsev.

Cov Ntsiab Lus Thov Cov Ntsiab Lus thiab Cov Qauv

https://www.vacuumtechglobal.com/storage-tank/chemical-storage-tank/deoxygenation-tower-reflux-tank.html
Hauv kev siv tiag tiag cov ntsiab lus hauv qab no yog qhov tseem ceeb rau kev ua haujlwm tau zoo thiab ruaj khov ntawm deoxygenation ntauwd reflux tank, xav txog kev txhim kho ntawm cov thev naus laus zis:
•Txoj kev tswj cov qib pob: Qhov no yog qhov tseem ceeb kom muaj kev sib cais thiab tiv thaiv lub tank reflux los ntawm "nqa dej" cuam tshuam rau kev ua haujlwm ntawm lub twj tso kua mis reflux lossis "khiav roj" cov khoom poob. Cov chav nyob niaj hnub no feem ntau siv cov tshuab tswj tsis siv neeg, saib xyuas cov pob dej theem los ntawm cov chaw taws teeb - kis tau tus mob ntsuas ntsuas thiab hloov kho qhov qhib ntawm cov tswj valve ntawm qhov ntws kom ua tiav cov dej txiav, txo qhov zaus ntawm kev tuav haujlwm thiab kev pheej hmoo ntawm kev ua haujlwm yuam kev.
• Kev txuag hluav taws xob thiab kev txo qis thiab kev ua kom zoo dua qub: Nws yog ib qho tseem ceeb los txo cov kev siv hluav taws xob los ntawm kev ua kom zoo dua qub. Piv txwv li, los ntawm kev siv lub siab - kub deoxygenated naphtha nyob rau hauv qab ntawm deoxygenation ntauwd los pauv nrog cov tuaj txias naphtha, tsuas yog ib lub tshav kub exchanger yuav ua kom tiav lub ntsiab tshav kub exchanger, txo cov cuab yeej siv peev thiab hneev taw, thaum nce qhov kub thiab txo lub zog ntawm cov cua kub tom ntej. Qee cov txheej txheem txhim kho kuj qhia cov roj qhuav (xws li qhov hnyav molecular methane thiab ethane) kom txo tau cov pa oxygen ib nrab siab thiab tseem sim kom tsis txhob siv cov reboiler kom txuag hluav taws xob ntxiv.