Cov teeb meem thiab kev daws teeb meem rau cov npauj npaim li qub thaum siv yog dab tsi?
Vim nws qhov me me thiab cov qauv yooj yim, lub valve npauj npaim tau dhau los ua ib qho ntawm cov valve siv ntau tshaj plaws hauv kev lag luam, ntau thiab ntau dua tau siv rau lub zog fais fab hydroelectric, kev ywg dej, kev tsim dej thiab kev ntws dej, kev tsim kho hauv nroog thiab lwm yam kab ke, siv los txiav lossis nruab nrab ntawm cov dej ntws ntawm cov xov xwm ncig. Tom qab ntawd lub valve npauj npaim siv rau cov teeb meem uas xav tau kev saib xyuas thiab cov kev daws teeb meem, hnub no peb yuav tshwj xeeb kom nkag siab.
Cov teeb meem ntawm kev teeb tsa lub valve npauj npaim yuav tsum tau saib xyuas:
1. Ua ntej kev teeb tsa, thov paub tseeb tias qhov kev ua tau zoo ntawm cov khoom thiab cov xov xwm ntws yog sib xws nrog kev txav mus los ntawm cov xwm txheej ua haujlwm, thiab yuav yog lub qhov valve qhov txhab kom huv, tsis txhob cia cov khoom tsis huv hauv lub nplhaib sib khi thiab lub phaj npauj npaim txuas nrog cov khoom txawv teb chaws, tsis txhob ntxuav ua ntej tsis pub kaw lub phaj npauj npaim, yog li ntawd kom tsis txhob ua rau lub nplhaib sib khi puas tsuaj.
2. Kev teeb tsa phaj txhawb nqa flange raug pom zoo kom siv cov flange npauj npaim valve tshwj xeeb.
3. Nruab rau hauv nruab nrab ntawm cov kav dej lossis qhov chaw ntawm ob qho kawg ntawm cov kav dej, qhov chaw zoo tshaj plaws rau kev teeb tsa ntsug, tsis tuaj yeem ntsia upside down.
4. Kev siv qhov xav tau los tswj cov dej ntws, muaj phau ntawv, hluav taws xob, pneumatic actuators rau kev tswj hwm.
5. Qhib thiab kaw ntau zaus lub qhov rooj npauj npaim, li ntawm ob lub hlis, yuav tsum qhib lub hau ntawm lub thawv iav, xyuas seb cov butter puas zoo li qub, yuav tsum khaws cov butter kom raug.
6. Xyuas seb cov khoom sib txuas puas raug nias, uas yog, kom ntseeg tau tias qhov kev sib khi ntawm cov khoom ntim, tab sis kuj xyuas kom meej tias qhov kev sib hloov ntawm lub valve yog qhov yooj ywm.
7. Cov khoom siv hlau foob npauj npaim valve tsis haum rau kev teeb tsa thaum kawg ntawm cov kav dej, xws li yuav tsum tau teeb tsa thaum kawg ntawm cov kav dej, koj yuav tsum coj lub flange qhov hluav taws xob, kom tiv thaiv lub nplhaib sib khi ntawm qhov siab, hla txoj haujlwm.
8. Lub valve stem installation thiab siv cov lus teb los xyuas kom meej qhov ua tau zoo ntawm lub valve, pom cov kev ua yuam kev raws sijhawm.
Tej yam ua rau tsis ua haujlwm: kev xau ntawm qhov chaw sealing
1. Phaj valve, sealing nto nplaub tshev khib nyiab
2. Lub phaj valve, qhov chaw kaw qhov chaw sib khi sib phim nrog qhov tsis raug
3. Qhov chaw teeb tsa sab nraud ntawm lub qhov hluav taws xob mounting flange bolts tsis sib npaug lossis xoob bolts
4. Kev ntsuas qhov siab tsis yog raws li qhov yuav tsum tau ua ntawm qhov nruab nrab ntws.
Cov txheej txheem tshem tawm
1. Tshem tawm cov khoom tsis huv, ntxuav lub qhov hauv lub valve
2. Kho cov iav kab los yog hluav taws xob, pneumatic actuator kho cov ntsia hlau kom ua tiav qhov chaw kaw lub valve kom raug.
3. Xyuas seb lub flange plane thiab bolt compression fastening puas zoo, yuav tsum tau compressed sib npaug zos.
4. Raws li qhov xub sealing kev taw qhia rau siab
Qhov ua rau muaj kev tsis ua haujlwm ntawm ob sab ntawm lub valve
1. Ob sab ntawm lub sealing gasket tsis ua haujlwm
2. Lub flange nruj tsis sib xws lossis tsis raug nias
3. Lub nplhaib kaw lossis lub nplhaib kaw hauv lub gasket tsis ua haujlwm
Txoj kev tshem tawm
1. Hloov lub gasket sealing
2. Cov ntsia hlau flange siab (lub zog sib xws)
3. tshem tawm lub nplhaib siab valve, hloov lub nplhaib sib khi thiab qhov tsis ua haujlwm ntawm lub gasket.
Lub valve npauj npaim muaj peev xwm muab faib ua lub valve kab nruab nrab thiab lub valve npauj npaim eccentric raws li cov qauv. Raws li daim ntawv sealing, muaj peev xwm muab faib ua hom foob mos thiab hom foob tawv. Hom foob mos feem ntau siv lub rooj zaum roj hmab lossis lub nplhaib roj hmab sealing, hom foob tawv feem ntau siv lub nplhaib hlau sealing. Raws li hom kev sib txuas, muaj peev xwm muab faib ua kev sib txuas flange thiab kev sib txuas wafer; Raws li hom kis tau tus mob, muaj peev xwm muab faib ua tes, hluav taws xob, pneumatic thiab hydraulic. Peb tuaj yeem xaiv cov actuators sib txawv raws li cov xwm txheej ua haujlwm.