1. Taw qhia
Centrifugal twj tso kua mis yog cov khoom siv thauj khoom siv dav siv hauv kev lag luam, kev ua liaj ua teb, hauv nroog thiab lwm qhov chaw. Nws muaj qhov zoo ntawm cov qauv yooj yim, kev ua haujlwm yooj yim, thiab kev ua haujlwm siab. Txawm li cas los xij, nyob rau hauv lub sijhawm ntev - kev ua haujlwm ntawm cov twj centrifugal, lawv qhov kev ua tau zoo yuav maj mam poob qis thiab lawv lub neej kev pabcuam yuav raug luv vim muaj ntau yam xws li hnav, corrosion, thiab cavitation. Yog li ntawd, kev siv cov kev tswj xyuas zoo yog qhov tseem ceeb rau kev ua haujlwm ntev ntawm cov twj centrifugal.
2, Kev ntsuas saib xyuas txhua hnub
(1) Kev tshuaj xyuas tsis tu ncua
Kev tshuaj xyuas qhov muag
Txhua txhua hnub, lub twj tso kua mis centrifugal yuav tsum tau kuaj pom qhov muag kom pom tias muaj cov dej xau, deformations, tawg, lossis lwm yam teeb meem nrog lub twj tso kua mis lub cev. Xyuas seb lub qhov hluav taws xob thiab qhov hluav taws xob flanges, qhov chaw sib khi, bolts, thiab lwm yam txuas ntawm lub twj tso kua mis yog nruj. Yog tias muaj qhov xoob, zawm lawv raws sijhawm. Nyob rau tib lub sijhawm, xyuas seb puas muaj corrosion nyob rau saum npoo ntawm lub twj tso kua mis lub cev, thiab yog tias pom muaj corrosion, nws yuav tsum tau kho raws sijhawm.
Khiav parameter check
Tsis tu ncua xyuas qhov kev khiav hauj lwm tsis tu ncua ntawm cov twj centrifugal, suav nrog tus nqi ntws, lub taub hau, tam sim no, qhov hluav taws xob, thiab lwm yam. Flow thiab lub taub hau tuaj yeem ntsuas tau los ntawm cov cuab yeej nruab rau hauv cov kav dej, thaum tam sim no thiab qhov hluav taws xob tuaj yeem ntsuas los ntawm cov ntsuas hluav taws xob. Sib piv cov txiaj ntsig ntsuas nrog cov ntsuas ntsuas ntawm lub twj tso kua mis. Yog tias pom qhov sib txawv tseem ceeb, qhov laj thawj yuav tsum tau txheeb xyuas tam sim thiab kho. Piv txwv li, yog tias tus nqi ntws qis dua qhov ntsuas qhov ntsuas, nws yuav tshwm sim los ntawm impeller blockage, inlet yeeb nkab blockage, los yog foob lub nplhaib hnav.
(2) Lubrication tu
Kev txheeb xyuas ntawm lubrication qhov chaw
Cov bearings ntawmcentrifugal twj tso kua misyog cov khoom uas yuav tsum tau tshwj xeeb lubrication. Lub lubrication qhov chaw ntawm ntau hom centrifugal twj yuav txawv. Feem ntau hais lus, lub thawv bearings ntawm kab rov tav centrifugal twj tso kua mis yog nruab nrog bearings, thiab lub ntsiab ncej bearings ntawm ntsug centrifugal twj tso kua mis kuj yuav tsum tau lubrication. Tsis tas li ntawd, qee lub twj tso kua mis centrifugal txuas thiab lwm qhov chaw kuj yuav xav tau lubrication.
Kev xaiv thiab hloov cov roj nplua nyeem
Xaiv lub lubricant tsim nyog raws li kev ua haujlwm thiab kev coj tus kheej ntawm lub twj tso kua mis centrifugal. Rau siab - khiav ceev, lubricating roj feem ntau yog siv; Rau qis- nrawm hnyav- lub luag haujlwm bearings, lubricating roj tuaj yeem siv tau. Lub viscosity ntawm lubricating roj yuav tsum raug xaiv raws li qhov kub thiab txias, thiab lubricating roj nrog viscosity siab dua yuav tsum tau xaiv thaum kub siab.
Kev nkag mus ntawm lubricating roj yuav tsum raug xaiv raws li kev ua haujlwm ntawm cov kabmob thiab qhov ntsuas kub. Tsis tu ncua hloov cov roj nplua nyeem, nrog rau kev hloov pauv dav dav ntawm 3-6 lub hlis rau cov roj lubricating thiab 6-12 lub hlis rau lubricating roj. Thaum hloov cov roj nplua nyeem, cov roj nplua nyeem qub yuav tsum tau muab ntxuav ua ntej ua ntej ntxiv cov roj nplaum tshiab.
(3) Kev ruaj ntseg sealing
Sealing hom thiab tshuaj xyuas
Cov ntsaws ruaj ruaj ntawm cov twj centrifugal tau muab faib ua ob hom: mechanical seals thiab packing seals. Rau cov neeg kho tshuab seals, yuav tsum tau kuaj xyuas tsis tu ncua ntawm qhov hnav ntawm lub ntsej muag sealing, qhov haum ntawm lub nplhaib zoo li qub thiab zoo li qub, thiab kev ncaj ncees ntawm lub nplhaib sealing. Thaum kuaj xyuas, nws tuaj yeem txiav txim siab seb lub foob puas ua haujlwm tau zoo los ntawm kev soj ntsuam yog tias muaj qhov xau ntawm qhov chaw sib khi. Rau packing sealing, qhov nruj thiab hnav ntawm lub ntim yuav tsum tau kuaj xyuas. Kev ntim khoom xoob tuaj yeem ua rau cov dej xau, thaum lub ntim ntim nruj tuaj yeem ua rau muaj kev sib txhuam thiab cuam tshuam rau lub twj tso kua mis.
Kev hloov foob
Thaum lub nplhaib dynamic thiab zoo li qub ntawm lub tshuab foob raug hnav hnyav, lub nplhaib sealing puas, lossis cov ntim khoom hnav rau qee yam, lub foob yuav tsum tau hloov raws sijhawm. Thaum hloov lub tshuab foob, xaiv tib hom foob raws li lub foob qub thiab nruab nws raws li cov txheej txheem installation kom raug. Thaum hloov cov packing, cov ntaub ntawv tsim nyog yuav tsum tau xaiv, xws li graphite packing, hloov tau yooj yim graphite packing, thiab lwm yam, thiab ntsia raws li lub siab ntim ntim.
3, Kev tswj xyuas tsis tu ncua
(1) Disassembly soj ntsuam
Dismantling voj voog
Raws li lub sijhawm ua haujlwm thiab kev ua haujlwm ntawm lub twj tso kua mis centrifugal, feem ntau yuav tsum tau muab tshem tawm thiab tshuaj xyuas lub twj tso kua mis centrifugal txhua 1-2 xyoos ntawm kev ua haujlwm lossis tom qab kev ua haujlwm ntawm 2000-4000 teev. Rau cov twj tso kua mis centrifugal nrog rau kev ua haujlwm hnyav thiab lub sijhawm ua haujlwm ntev, lub voj voog tshuaj xyuas kev sib cais yuav tsum tau ua kom luv luv.
Disassembly soj ntsuam cov ntsiab lus
Thaum lub sij hawm disassembly soj ntsuam, hnav ntawm cov khoom xws li impellers, twj tso kua mis shafts, bearings, thiab sealing rings yuav tsum tau ua tib zoo xyuas. Kev hnav ntawm impellers feem ntau tshwm sim raws li cov hniav yaig, corrosion, thiab cavitation pits. Kev hnav ntawm lub twj tso kua mis ncej feem ntau tshwm sim ntawm lub caj dab ntawm lub ncej, uas yuav ua rau muaj kev hloov pauv ntawm qhov sib npaug ntawm cov ncej. Kev hnav ntawm bearings tuaj yeem cuam tshuam qhov kev sib hloov thiab kev ruaj ntseg ntawm lub twj tso kua mis. Kev hnav ntawm lub nplhaib sealing tuaj yeem ua rau muaj qhov nce ntxiv. Rau cov khoom siv hnyav hnyav, lawv yuav tsum tau kho lossis hloov raws sijhawm.
(2) Kev kho thiab hloov khoom siv
Kev kho lub impeller
Yog tias qhov hnav ntawm lub impeller yog lub teeb, kev kho kho xws li vuam thiab kho tuaj yeem siv tau. Ua ntej vuam, lub impeller yuav tsum tau preheated, thiab tom qab vuam, rwb thaiv tsev thiab kev kho cua txias yuav tsum tau nqa tawm kom tsis txhob tawg ntawm lub impeller. Yog tias qhov hnav ntawm lub impeller hnyav, xws li thaj tsam loj ntawm cov hniav puas lossis deformation, yuav tsum tau hloov lub impeller tshiab. Thaum hloov lub impeller, xaiv tib tus qauv raws li tus thawj impeller thiab xyuas kom meej qhov tseeb ntawm lub impeller.
Pump ncej kho thiab hloov
Rau me ntsis hnav ntawm lub twj tso kua mis ncej, txoj kev xws li chrome plating thiab txau tuaj yeem siv los kho. Yog hais tias lub twj tso kua mis ncej yog khoov los yog deformed, nws yuav tsum tau straightened. Thaum lub twj tso kua mis yog hnyav hnyav los yog tawg, yuav tsum tau hloov lub twj tso kua mis tshiab. Thaum hloov lub twj tso kua mis, nws yuav tsum xyuas kom meej tias cov khoom, qhov loj me, thiab qhov tseeb ntawm lub twj tso kua mis yog tib yam li cov twj tso kua mis thawj.
Cov kabmob hloov
Thaum cov kabmob hnav mus rau ib qho twg, yuav tsum tau hloov cov kabmob tshiab. Thaum hloov cov bearings, xaiv bearings ntawm tib tus qauv raws li cov thawj bearings thiab nruab lawv raws li qhov tseeb installation cov kauj ruam. Thaum txhim kho bearings, xyuam xim rau kev huv thiab lubrication ntawm cov bearings kom tsis txhob impurities nkag mus rau sab hauv ntawm bearings.
(3) Kev tiv thaiv xeb thiab tiv thaiv - kev kho corrosion
Kev tiv thaiv xeb
Thaum lub sij hawm disassembly tshuaj xyuas cov twj centrifugal, kev kho xeb yuav tsum tau nqa tawm ntawm cov hlau xws li lub twj tso kua mis lub cev, impeller, thiab twj tso kua mis ncej. Rau cov khoom uas tsis tau nruab ib ntus, lawv yuav tsum tau coated nrog cov roj los tiv thaiv xeb lossis cov xim pleev xim. Rau cov khoom uas twb tau xeb lawm, kev kho xeb yuav tsum tau ua ua ntej, ua raws li kev tiv thaiv xeb. Cov txheej txheem tshem tawm xeb tuaj yeem suav nrog kev tshem tawm cov xeb, cov tshuab xeb tshem tawm, lossis tshuaj xeb tshem tawm.
Anti-kev kho corrosion
Rau cov twj centrifugal ua haujlwm hauv xov xwm corrosive, tiv thaiv- kev kho corrosion yuav tsum tau ua. Cov txheej txheem xws li hauv ob sab phlu, txheej, los yog siv corrosion- cov ntaub ntawv tiv taus los tsim cov twj tso kua mis tuaj yeem siv los tiv thaiv corrosion. Piv txwv li, nyob rau hauv cov twj centrifugal uas thauj corrosive media xws li acids thiab alkalis, roj hmab hauv ob sab phlu lossis fiberglass hauv ob sab phlu tuaj yeem siv los tiv thaiv lub twj tso kua mis lub cev. Rau cov khoom xws li impellers thiab twj tso kua mis, corrosion- cov ntaub ntawv tiv taus xws li steel hlau lossis hlau alloy tuaj yeem siv rau kev tsim khoom.
4, Kev ua haujlwm ib puag ncig kev saib xyuas
(1) Kev tswj qhov kub thiab txias
Cua txias system tu
Raucentrifugal twj tso kua miskev khiav hauj lwm nyob rau hauv siab - qhov kub thiab txias ib puag ncig, nws yog ib qho tseem ceeb kom paub tseeb tias cov cua txias system ua hauj lwm zoo. Tsis tu ncua xyuas seb lub kav dej txias tsis muaj kev cuam tshuam thiab seb cov dej txias ntws zoo li cas. Yog tias cov kav dej txias tau thaiv los yog cov dej txias ntws tsis txaus, cov kav dej yuav tsum tau muab ntxuav los yog cov dej txias txias tau hloov kho raws sijhawm.
Nyob rau tib lub sijhawm, nws yog ib qho tsim nyog los xyuas qhov kev hloov pauv cua sov ntawm lub tshuab txias. Yog tias qhov ntsuas ntsuas los yog qhov txo qis hauv kev hloov pauv hluav taws xob tau pom nyob rau hauv lub txias txias, nws yuav tsum tau ntxuav los yog hloov raws sijhawm.
Thermal rwb thaiv tsev ntsuas
Cov twj centrifugalua haujlwm nyob rau hauv qhov chaw txias yuav tsum tau insulated. Cov ntaub ntawv rwb thaiv tsev tuaj yeem siv los qhwv lub twj tso kua mis lub cev kom tiv thaiv cov kua hauv lub twj tso kua mis los ntawm khov. Nyob rau tib lub sijhawm, kev ncaj ncees ntawm cov txheej rwb thaiv tsev yuav tsum tau kuaj xyuas, thiab yog tias pom muaj kev puas tsuaj, nws yuav tsum tau kho kom raws sijhawm.
(2) Humidity tswj
Kev tiv thaiv dej noo
Cov twj centrifugal ua haujlwm hauv qhov chaw ntub dej yuav tsum siv cov dej noo- pov thawj ntsuas. Cov dej noo- cov ntaub ntawv pov thawj tuaj yeem teeb tsa nyob ib puag ncig lub twj tso kua mis kom tsis txhob ya raws nkag mus rau hauv lub twj tso kua mis. Nyob rau tib lub sijhawm, nws yog ib qho tsim nyog yuav tsum tsis tu ncua xyuas cov dej tsis haum ntawm lub twj tso kua mis lub cev. Yog tias pom muaj condensation nyob rau saum npoo ntawm lub twj tso kua mis lub cev, nws yuav tsum tau qhuav kom raws sijhawm.
Zoo -ventilated
Xyuas kom muaj qhov cua zoo nyob ib puag ncig lub twj tso kua mis centrifugal thiab tsis txhob kub dhau los yog av noo nyob ib puag ncig lub twj tso kua mis. Qhov cua zoo tuaj yeem txo qhov kub ntawm lub twj tso kua mis lub cev thiab txo qhov tshwm sim ntawm corrosion. Lub caij no, qhov cua kuj tseem tuaj yeem tiv thaiv kev sib sau ntawm cov pa phem nyob ib puag ncig lub twj tso kua mis lub cev, tiv thaiv kev noj qab haus huv ntawm lub twj tso kua mis lub cev thiab cov neeg ua haujlwm.
5, Cov qauv kev ua haujlwm
(1) Pib thiab nres
Ua ntej- pib kos
Ua ntej pib lub twj tso kua mis centrifugal, yuav tsum tau soj ntsuam tag nrho. Kev tshuaj xyuas suav nrog xyuas seb qhov kev sib txuas ntawm ntau yam ntawm lub twj tso kua mis lub cev yog nruj, seb lub lubrication system puas zoo, seb lub sealing puas zoo, thiab seb lub qhov hluav taws xob thiab qhov hluav taws xob puas yog nyob rau hauv qhov tseeb rau / tawm. Nyob rau tib lub sijhawm, nws yog ib qho tsim nyog los xyuas seb lub twj tso kua mis rotates flexibly los ntawm tig lub log. Yog tias lub twj tso kua mis pom tau tias tsis ua haujlwm lossis daig, qhov laj thawj yuav tsum raug txheeb xyuas thiab qhov ua txhaum yuav tsum raug tshem tawm raws sijhawm.
Pib ua haujlwm
Thaum piblub centrifugal twj tso kua mis, lub inlet valve yuav tsum tau qhib ua ntej kom puv lub twj tso kua mis lub cev nrog kua, thiab ces lub cev muaj zog yuav tsum tau pib. Thaum pib- txheej txheem nce, ua tib zoo saib xyuas kev ua haujlwm ntawm lub twj tso kua mis, xws li seb qhov tam sim no, siab, kev co, thiab lwm yam. Yog tias pom muaj teeb meem txawv txav, lub tshuab yuav tsum tau nres tam sim rau kev tshuaj xyuas.
Chaw nres tsheb ua haujlwm
Thaum nres tsheb, lub qhov hluav taws xob valve yuav tsum raug kaw ua ntej, thiab tom qab ntawd lub cav yuav tsum nres. Tom qab lub twj tso kua mis lub cev nres rotating, kaw lub inlet valve. Rau cov twj centrifugal uas tau tawm ntawm kev pabcuam ntev, cov kua dej hauv lub twj tso kua mis lub cev yuav tsum tau muab pov tseg thiab kev saib xyuas tsim nyog yuav tsum tau nqa tawm.
(2) Saib xyuas thaum ua haujlwm
Flow thiab lub taub hau saib xyuas
Thaum lub sijhawm ua haujlwmntawm cov twj centrifugal, kev hloov pauv ntawm qhov ntws thiab lub taub hau yuav tsum tau saib xyuas kom zoo. Yog tias pom muaj qhov txawv txav ntawm qhov ntws los yog lub taub hau, qhov kev ua haujlwm tsis zoo ntawm lub twj tso kua mis yuav tsum tau hloov kho lossis kev ua haujlwm ntawm lub twj tso kua mis yuav tsum tau kuaj xyuas raws sijhawm. Piv txwv li, yog tias qhov ntws ntws sai sai, nws yuav tshwm sim los ntawm kev txhaws ntawm lub raj xa dej, hnav lub impeller, lossis hnav lub nplhaib sealing.
Kev vibration thiab suab nrov saib xyuas
Kev vibration thiab suab nrov yog cov cim tseem ceeb ntawm kev ua haujlwm ntawm cov twj centrifugal. Thaum lub sij hawm ib txwm ua haujlwm ntawm lub twj tso kua mis centrifugal, kev co thiab suab nrov yuav tsum tau khaws cia nyob rau hauv ib qho chaw.
Yog tias muaj kev vibration ntau dhau los yog suab nrov, nws yuav tshwm sim los ntawm lub twj tso kua mis tsis sib haum, kev coj tus kheej, impeller imbalance, lossis cavitation. Kev soj ntsuam kaw tam sim ntawd yuav tsum tau ua kom paub qhov laj thawj thiab ntsuas qhov tsim nyog.
6, Xaus
Extending lub neej kev pab cuam ntawmcentrifugal twj tso kua misyuav tsum tau pib los ntawm ntau yam xws li kev saib xyuas txhua hnub, kev tu ib puag ncig, kev saib xyuas ib puag ncig, thiab cov qauv kev ua haujlwm. Los ntawm kev siv ntau yam kev tswj xyuas nruj me ntsis, cov teeb meem tshwm sim thaum lub sijhawm ua haujlwm ntawm cov twj centrifugal tuaj yeem tshawb pom thiab daws tau raws sijhawm, ua kom lub cev ua haujlwm ntawm cov twj centrifugal, txhim kho lawv txoj haujlwm ua haujlwm thiab kev pabcuam lub neej, txuag cov nqi tsim khoom rau cov lag luam, thiab nce kev lag luam nyiaj txiag. Nyob rau tib lub sijhawm, nws tseem yuav pab txo qhov zaus ntawm kev tu thiab hloov khoom siv, thiab txo qhov cuam tshuam rau ib puag ncig.
