Raws li cov khoom siv dej hauv cov tshuab dej pheeb suab, cov quav dej 'cuam tshuam ncaj qha cuam tshuam dej phwj tuaj yeem phom dej. Dej phwj hluav taws xob cuam tshuam nrog ntau cov kauj ruam, suav nrog kev xaiv cov khoom, tsim qauv kev tsim khoom, thiab ua kom zoo. Qhov tseem ceeb xws li corrosion tsis kam, hnav tsis kam, sealing, thiab lub zog ua haujlwm yuav tsum tau txiav txim siab. Cov kab lus no piav qhia txog lub zog dej phwj hluav taws xob hluavtaws hluav taws xob cov qauv thiab cov ntsiab lus tseem ceeb.
I. Cov khoom xaiv thiab pretricate
Cov hluavtaws ntawm cov dej phwj tuaj feem ntau yog xaiv cov ntaub ntawv xaiv. Vim tias kav dej feem ntau muaj cov tshuaj corrosive (xws li cov kua qaub thiab alkalis), khoom siv cov pa roj, thiab cov organic lub cev, thiab cov organic lub cev cov khoom siv yuav tsum muaj cov khoom siv corrosion tsis kam thiab tshuab zog. Cov ntaub ntawv uas nquag siv suav nrog:
1.Cast hlau thiab stainless hlau thiab stainless hlau: grey cam khwb cia hlau lossis cov hlau tsis muaj zog siv rau lawv cov nqi qis thiab yooj yim ntawm kev ua. Txawm li cas los xij, rau cov hlau muaj zog heev, 304 lossis 316 stainless hlau yog qhov zoo rau nws cov kev txhim kho tiv thaiv rau cov kua qaub, alkali, thiab chloride ion corrosion.
2.Txawm li: xws li polyvinylide fluoride (PVDF) lossis ultra {1} high molecular hnyav polyethylene (UHMWPE). Cov no yog qhov tsim nyog rau txoj kev xeb hnyav, tab sis lawv muaj cov tshuab siv zog tsis muaj zog thiab feem ntau siv hauv cov twj me me lossis tshwj xeeb.
3.Cosite cov ntaub ntawv: cov nplaim hluav taws xob txhawb nqa nrog epoxy cob qhia lossis cov khaub ncaws ceramic tuaj yeem txhim kho kev coj tawm thiab tshuaj lom neeg tiv taus.
Cov khoom ua ntu hluav taws xob suav nrog cov nplaim ntxuav, xeb tshem tawm, thiab kev kho kom sov kom paub tseeb hauv kev ua tiav tom ntej. Piv txwv li, stainless cov hlau tshuab feem ntau yauv mus pickling thiab passivation los ua tus tiv thaiv oxide zaj duab xis.
Ii. Cov qauv tsim qauv thiab hluavtaws txheej txheem
Cov qauv tsim qauv ntawm cov kav dej phwj nrog ncaj qha cuam tshuam nws txoj kev ua haujlwm tau zoo thiab lub neej. Hauv qab no yuav tsum tshwj xeeb saib xyuas thaum lub sijhawm ua haujlwm:
1.impeller Tsim: lub impeller yog cov tseem ceeb ntawm cov kav dej phwj, thiab nws cov geometry txiav txim siab nws cov kua dej. Cov hom impeller suav nrog kaw kaw, semi-}} qhib, thiab qhib impellers. Semi -}}}}}}}}}}}}}}}}}} astewater muaj cov khoom muaj tseeb vim tias lawv tsis tshua muaj kev sib tsoo thiab yooj yim los tswj.
2. Cov Cas Thuam thiab ntws tawm ntawm kev ua kom zoo: Cov cev nqaij kab hlau yog tsim kev siv cov qauv tsim lossis cov txheej txheem ntws txo thiab ploj thiab ploj. Khoos phib tawj {- Kev Tsim Qauv (CAD) thiab kev ua tiav cov kua hluav taws xob muaj peev xwm ua tau zoo dua ntws.
3.Nsealing system: cov ntsaws ruaj ruaj kaw lossis cov ntsaws ruaj ruaj yog qhov tseem ceeb rau kev tiv thaiv to. Rau cov tub xov xwm corrosive, cov neeg siv tshuab ua los ntawm silicon carbide lossis carbon graphite yog siv, txhawb nqa los ntawm cov dej ntws tawm kom txuas txoj haujlwm lub neej.
Cov txheej txheem los ua ke feem ntau yog ua pov thawj, machining, sib dhos, thiab kuaj. Precision Casting (xws li poob ciab Casting) ua kom pom tseeb qhov tseeb rau cov qauv nyuaj (cnc) yog siv los tsim siab (cnc)
III. Kev Ua Haujlwm Zoo thiab Kev Ntsuas
Tom qab cov dej phwj tuaj yog sib sau ua ke, nws txoj kev ua tau zoo yuav tsum tau txheeb xyuas los ntawm cov kev xeem:
1.Txoj kev sim ua haujlwm: Ntog tus nqi, lub taub hau, thiab kev ua tau yog ntsuas raws li kev ua haujlwm ntawm cov qauv tsim qauv.
2.Corrosion thiab looj kev tiv thaiv kev ntsuam xyuas: Ntsuas ntev}}}}}}}, ntxiv cov xuab zeb lossis kua txiv).
3.Qhov kev xeem thiab kev co: Ntsuas lub twj tso kua mis cov kev sib khi ua tau raws li qhov kev ntsuas siab thiab ua kom zoo tshaj plaws kev ntsuas.
Ib qho ntxiv, niaj hnub lim dej ntau zaus ua kom muaj zog tswj cov tshuab, xws li kev hloov kho cov chaw taws teeb lossis kev txhawb nqa lub zog ntxiv thiab kev ntseeg tau.
Tag
Cov hluavtaws ntawm cov dej phwj tuaj yog cov txheej txheem ntau ntau yam yog cov txheej txheem kev ua kom zoo ntawm cov ntaub ntawv kev kawm, kev siv cov kua, thiab cov txheej txheem kev tsim khoom. Los ntawm kev xaiv lub cev, kev tsim qauv qauv, thiab kev ua haujlwm ntsuas, ua tau zoo thiab ruaj khov thiab ruaj khov kho ntawm kev lag luam thiab kev kho mob hauv nroog. Nyob rau yav tom ntej, nrog rau kev txhim kho cov ntaub ntawv tshiab thiab cov khoom siv hluav taws xob ntse ntxiv rau cov dej phwj tuaj ntxiv ntxiv rau kev ua haujlwm siab dua thiab muaj peev xwm tshaj plaws.
