Kev ua haujlwm ntawm graphite tshav kub exchanger

Cov teeb meem xav tau kev saib xyuas hauv kev siv graphite tshav kub exchangers

Ua tib zoo saib xyuas qhov cuam tshuam ntawm sab nraud quab yuam ntawm cov khoom siv graphite. Cov yam ntxwv ntawm lub cev ntawm graphite nws tus kheej txiav txim siab nws cov kev ua haujlwm tsis zoo, tshwj xeeb tshaj yog ntawm cov khaubncaws sab nraud povtseg yog yooj yim heev rau kev puas tsuaj los ntawm sab nraud quab yuam, yog li nyob rau hauv tus txheej txheem ntawm installation thiab tu txhua hnub ntawm graphite tshav kub exchanger, tshwj xeeb yuav tsum tau them rau cov kev puas tsuaj los ntawm sab nraud. zog. Thaum nqa cov khoom siv graphite, peb yuav tsum nqa nws kom du, ua kom lub zog ntawm cov khoom siv tsis sib xws, nqa thiab xaiv tsis muaj cua lossis cua txias rau kev nqa, tsis txhob nrawm, kom deb li deb tau los txo qhov cuam tshuam sab nraud ntawm lub graphite tshav kub exchanger. Tom qab lub graphite cua kub exchanger raug ntsia, nws yog tsim nyog rau cov yeeb nkab thiab zawm nws. Nyob rau hauv cov txheej txheem ntawm cov kav dej, kev sib dhos yuam kev yuav tsum raug txo kom ntau li ntau tau, thiab cov nyiaj them rov qab yuav tsum tau muab tso rau ntawm qhov kawg ntawm cov graphite heat exchanger, thiaj li yuav txo tau qhov kev ntxhov siab los ntawm kev co thiab thermal expansion thiab contraction. Thaum fastening lub flange ntawm graphite tshav kub exchanger, nws yuav tsum tau nruj nreem diagonally nrog ib tug torque ciaj ntswj nyob rau hauv nruj raws li lub torque loj yuav tsum tau los ntawm technical cov ntaub ntawv los tiv thaiv ntau dhau los yog tsis sib xws quab yuam.

Lub coolant siv rau graphite tshav kub exchanger yuav tsum nyuaj li sai tau. Graphite heat exchanger muaj qhov yuav tsum tau ua kom txias nruab nrab vim nws cov qauv tshwj xeeb. Nyob rau hauv tus txheej txheem ntawm cov cua txias nruab nrab ejection los ntawm lub nozzle, lub graphite tshav kub exchanger los ntawm evaporation tshem tawm ntau ntawm tshav kub thiab ua si lub luag hauj lwm txias. evaporation yuav inevitably ua rau supersaturation ntawm cov cua txias nruab nrab. Yog hais tias lub hardness ntawm lub txias nruab nrab yog siab dua, nws yuav inevitably ua rau ib tug loj npaum li cas ntawm ntsev los nag. Vim hais tias lub nozzle ntawm graphite tshav kub exchanger tsuas yog 2 hli nyob rau hauv loj, cov ntsev tas li precipitated yuav ntsaws lub nozzle, txo thiab maj mam cuam tshuam rau kev ua hauj lwm efficiency ntawm graphite tshav kub exchanger, thiab thaum kawg lub graphite tshav kub exchanger yuav tsum tsis txhob ua hauj lwm vim lub qhov hluav taws xob kub. siab dhau lawm, thiab ua rau cov graphite kub exchanger puas. Hauv kev tsim tshuaj lom neeg, peb feem ntau xaiv cov dej ua kom txias, yog li lub hardness ntawm cov coolant siv yuav tsum tsawg heev, tshwj xeeb tshaj yog cov concentration ntawm calcium thiab magnesium ions yuav tsum tsawg li tsawg tau. Los ntawm kev xyaum ntau, peb thaum kawg xaiv cov dej demineralized ua qhov cua txias nruab nrab ntawm lub tshav kub exchanger, thiab ua kom cov cua txias nruab nrab tsis muaj zog acidic, thiaj li ua kom lub sij hawm tu lub voj voog ntawm graphite heat exchanger kom ntau li ntau tau.

Siv cov dej demineralized me me li sai tau. Vim tias cov nqi ntau lawm ntawm cov dej demineralized, peb yuav tsum sim txo nws txoj kev siv ntau li ntau tau hauv kev siv txhua hnub. Thaum lub sijhawm ua haujlwm ntawm qhov nruab nrab cua txias, nws tus kheej qhov kub thiab txias yuav maj mam nce, thiab kev kho cua sov yuav maj mam txo. Txhawm rau them nyiaj rau qhov tshwm sim ntawm qhov kub thiab txias ntawm qhov txo qis kev kho cua sov, peb ib txwm khaws lub coolant nyob rau hauv lub xeev ntawm overflow. Los ntawm kev sib cuam tshuam ntawm cov kua dej thiab cov dej ntxiv, cov teebmeem saum toj no tuaj yeem raug tshem tawm los ntawm kev ntxiv cov kua dej txias rau hauv qab kub. Txij li thaum tag nrho cov txheej txheem suav nrog cov cuab yeej ua kom txias thiab cov cuab yeej siv roj av, thiab cov khoom siv roj txhuam tsis tas yuav tsum muaj dej zoo, peb teeb tsa cov kua dej txias sib cais, uas tshwj xeeb yog lub luag haujlwm rau kev ntxiv cov kua dej txias demineralized, uas tuaj yeem ua tau. ua rau kev nqis peev nyiaj txiag zoo dua.

Cov kauj ruam rau kev ntxuav graphite tshav kub exchangers thiab xaiv cov dej ntxuav. Tom qab siv lub graphite tshav kub exchanger rau lub sij hawm ntev, lub nozzle ntawm graphite tshav kub exchanger yuav raug thaiv ib feem. Yog li ntawd, nws yuav tsum tau ntxuav raws li lub sij hawm ntawm kev tsim khoom kaw thiab txij nkawm. Txoj kev ntxuav tshwj xeeb yuav tsum tau txiav txim siab ua ke nrog cov khoom siv ntawm cov kav dej txhawb nqa thiab cov khoom siv. Cov khoom ntawm cov dej cia tank ntawm qhov system no yog FRP, lub twj tso kua mis yog PVDF lined, thiab cov kav dej thiab cov li qub yog tag nrho ua los ntawm PP. Yog li, peb xaiv 5 feem pua ​​​​ntawm hydrochloric acid ua cov kua ntxuav. Ua ntej, peb ntxiv 5 feem pua ​​​​ntawm hydrochloric acid kua rau hauv lub thoob dej tank kom ntseeg tau tias cov kua theem ntawm cov kua hydrochloric acid siab tshaj qhov nkag ntawm lub twj tso kua mis, thiab tib lub sij hawm tso tawm cov kua theem qis interlocking ntaus ntawv. Tom qab ntawd, muab lub tank tso rau hauv lub tank thiab tig lub twj tso kua mis rau li 5 feeb. Nyob rau hauv cov txheej txheem ntawm hydrochloric acid tu, kev nyeem ntawv ntawm flowmeter yuav tsum tau ua tib zoo saib. Thaum kev nyeem ntawv ntawm flowmeter yog raws li tus qauv tsim, lub twj tso kua mis tuaj yeem nres. Tom qab ntawd, cov kua hydrochloric acid tau ntws tawm, thiab cov dej uas tsis tshua muaj zog tau ntxiv rau kev rov ua dua tshiab kom txog thaum tus nqi pH rov qab los txog li 6. Thaum kawg, rov qab kho cov hlua qub qub, ntxiv dej demineralized, thiab rov siv cov khoom siv.

Kev ntsuas kub ceev yuav tsum tau txiav txim siab rau qhov xwm txheej ceev. Thaum tag nrho cov nroj tsuag raug kaw vim muaj xwm txheej ceev, yuav tsum muaj kev ntsuas kub ceev los siv ua ke nrog graphite heat exchanger. Txij li thaum lub inlet kub ntawm graphite tshav kub exchanger yog 600degreeC, qhov hluav taws xob kub yuav tsum qis dua 70degreeC. Nyob rau hauv lub xeev tam sim ntawd, pem hauv ntej thermal oxidizer yuav tsum tam sim ntawd, tab sis nws residual tshav kub yuav raug tso tawm. Txhawm rau kom muaj kev nyab xeeb ntawm kev siv tag nrho cov khoom siv, peb yuav tsum tau nruab nrog lub tank dej thaum muaj xwm txheej ceev, thiab khaws cov dej demineralized txaus kom tshem tawm cov cua sov seem, thiab koom tes nrog lub tshuab hluav taws xob tus kheej kom tshem tawm cov kev phom sij zais cia.

Qhov cuam tshuam ntawm thawj qhov nkag ntawm lub coolant rau hauv cov khoom siv graphite yuav tsum raug txo kom tsawg. Qhov cuam tshuam tsis zoo ntawm cov khoom siv graphite yog qhov tsis zoo, yog li nws yuav tsum ua haujlwm ua ke nrog lub tank tsis zoo kom txo tau qhov cuam tshuam ntawm cov khoom siv thaum lub tshuab cua txias nkag mus rau graphite heat exchanger thawj zaug.

Lub twj tso kua mis coolant yuav tsum tau siv thiab standby. Circulating txias txias yog qhov siab, feem ntau khaws cia ntawm li 60degree. Kev ruaj ntseg ntawm lub twj tso kua mis kuj yog siab heev, lub twj tso kua mis ncig yuav tsum ruaj khov los muab cov qauv tsim, kom ntseeg tau tias kev ua haujlwm ib txwm muaj ntawm cov khoom siv hluav taws xob. Thaum kawg, rau kev saib xyuas tom qab thiab cov lus teb ceev ceev, peb feem ntau teeb tsa kev siv thiab lub twj tso kua mis standby kom txo qis qhov tsis tsim nyog kaw thiab cov khoom poob.

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