Hauv kev tswj hwm lub neej ntawm cov chaw tsim khoom, cov khoom lag luam tswj cov khoom seem yog feem ntau saib xyuas. Ntau tus nqi tswj thiab kev sib cais li qub raug kev puas tsuaj tsis tuaj yeem ua ntej lawv puas tau teeb tsa. Corrosion, scratched sealing nto, elastomer degradation, thiab actuator ya raws ingress yog latent defects uas, yog tias nrhiav tau thaum lub sij hawm commissioning, yuav ua rau lub project qeeb los yog txawm muaj kev nyab xeeb xwm txheej.
Kev khaws cia kom zoo tsis yog tsuas yog tso cov khoom siv rau hauv lub kaum tsev rau khoom; nws yog txheej txheem txheej txheem uas muaj kev tswj hwm ib puag ncig, kev tiv thaiv lub cev, thiab kev saib xyuas lub sijhawm. Cov lus qhia hauv qab no qhia txog cov qauv kev tshaj lij rau kev khaws cia cov khoom seem.
Environmental Control
Qhov chaw cia khoom yog qhov tseem ceeb tshaj plaws txiav txim siab lub neej ntev ntawm lub valve. Lub tsev khaws khoom zoo tshaj plaws yuav tsum yog qhov chaw sab hauv tsev uas qhuav, qhov cua zoo, thiab tsis muaj corrosive gases.
Kev tswj qhov kub thiab av noo yog qhov tseem ceeb. Nws raug nquahu kom tswj cov av noo qis dua 60% thiab kub ntawm 5 txog 40 degrees. Cov av noo ntau dhau ua rau oxidation thiab xeb ntawm cov hlau qhov chaw, thaum qhov kub thiab txias hloov pauv ua rau condensation, ncaj qha eroding sab hauv valve Cheebtsam. Rau cov li qub nrog cov roj hmab ntsaws ruaj ruaj lossis cov rooj zaum mos, qhov kub thiab txias thiab UV hluav taws xob ua rau tuag taus, ua rau cov elastomers tawv, tawg, thiab poob lub peev xwm sealing. Yog li ntawd, li qub yuav tsum tsis txhob muab khaws cia sab nraum zoov lossis raug tshav ntuj ncaj qha.
Kev Tiv Thaiv Lub Cev thiab Qhov Chaw Tso Cai
Kev taw qhia thiab kev cais lub cev ntawm cov li qub ncaj qha cuam tshuam rau lawv cov neeg kho tshuab kev ncaj ncees.
Tawm hauv av Cia: Tsis txhob tso li qub ncaj qha rau hauv pem teb pob zeb. Kev sib cuag hauv av ua kom yooj yim ya raws, ua kom nrawm nrawm ntawm cov flanges hauv qab thiab lub cev, thiab tuaj yeem ua rau muaj kev puas tsuaj los ntawm kev co hauv av. Tag nrho cov li qub yuav tsum muab khaws cia rau ntawm pallets, racks, lossis roj hmab lev.
Cov khoom sib cais: Cov pa roj carbon steel li qub thiab stainless hlau li qub yuav tsum tau muab khaws cia cais, tswj qhov deb ntawm yam tsawg kawg 50 centimeters. Qhov no tiv thaiv galvanic corrosion thiab carbon migration, qhov twg carbon los ntawm cov hlau yuav tsiv mus nyob rau hauv stainless hlau nto nyob rau hauv cov huab cua ntub, compromising nws passivation txheej.
Kev taw qhia: Rau lub qhov rooj loj loj lossis lub ntiaj teb li qub, ntsug cia yog pom zoo kom tiv thaiv qia bending vim lub sij hawm ntev nws tus kheej qhov hnyav. Li qub uas muaj cov actuators yuav tsum tau muab tso rau hauv kev tiv thaiv kom tsis txhob muaj roj nplua nyeem los yog kev puas tsuaj rau cov khoom siv sab hauv.
Kev npaj ua ntej cia
Ua ntej lub valve nkag mus rau hauv lub warehouse, nruj me ntsis kev kho mob ua ntej, hu ua preservation npaj, yog yuav tsum tau.
Kev tu kom huv: Tshem cov roj, vuam slag, hlau filings, thiab plua plav tawm ntawm lub valve. Rau kev siv li qub tshem tawm los ntawm cov kav dej, cov kab noj hniav sab hauv yuav tsum tau muab ntxuav, thiab cov khoom seem uas tau muab tshem tawm kom tsis txhob muaj tshuaj lom.
Lubrication thiab Kev Tiv Thaiv: Siv cov roj los tiv thaiv xeb los yog roj rau txhua qhov chaw uas raug machined hlau. Cov chaw tseem ceeb muaj xws li qia xov, flange ntsej muag, bolts, thiab qia nqa mechanism. Cov roj zaj duab xis no zoo cais cov dej noo ntawm huab cua.
Chaw nres nkoj Sealing: Valve inlets thiab outlets yuav tsum tau muab ntim nrog rau cov yas kaus mom, qhov muag tsis pom flanges, los yog ntoo plugs. Qhov no tiv thaiv plua plav, kab, thiab cov khoom txawv teb chaws los ntawm kev nkag mus rau hauv cov kab noj hniav thiab pab tswj kom muaj qhov chaw qhuav qhuav.
Txoj Haujlwm Chaw: Feem ntau, cov tswvcuab kaw ntawm lub rooj vag thiab lub ntiaj teb li qub yuav tsum nyob rau hauv qhov qhib me ntsis lossis kaw tag nrho nyob ntawm cov chaw tsim khoom pom zoo. Rau lub caij nplooj ntoos hlav loaded li qub, lub tshuab yuav tsum tau hloov mus rau lub xeev dawb kom txo tau kev ntxhov siab.
Kev tu ncua sij hawm
Lub sij hawm ntev stagnation yog detrimental rau mechanical Cheebtsam. Tsim kom muaj kev tshuaj xyuas niaj hnub thiab kev saib xyuas lub sijhawm yog qhov tseem ceeb kom ntseeg tau tias cov khoom seem tau npaj rau kev pabcuam.
Kev tshuaj xyuas peb lub hlis twg: Txhua peb lub hlis, ua qhov kev tshuaj xyuas qhov muag ntawm cov khoom lag luam los kuaj xyuas cov txheej txheem tiv thaiv xeb, ntim khoom puas, lossis cov cim ntawm corrosion.
Kev ua haujlwm tsis tu ncua: Rau phau ntawv li qub, nws raug nquahu kom tig lub log ntawm 90 degrees lossis ua haujlwm tag nrho cov hlab ntsha hauv peb lub hlis twg. Qhov no tiv thaiv cov qia thiab threads los ntawm kev txeeb thiab xyuas kom muaj roj faib. Rau pneumatic lossis hluav taws xob actuators, ua cov kev ntsuas hluav taws xob tsis tu ncua lossis huab cua raws li cov chaw tsim khoom tshwj xeeb txhawm rau tiv thaiv hluav taws xob tiv thaiv ya raws kev puas tsuaj lossis kev qaug dab peg.
Cov ntaub ntawv khaws cia: Khaws ib daim ntawv teev cov ncauj lus kom ntxaws teev hnub nkag, cov lus qhia tshwj xeeb, qib khoom siv, thiab keeb kwm kev saib xyuas. Valves khaws cia rau ntau tshaj ib xyoos yuav tsum tau ua tiav kev tshuaj ntsuam xyuas thiab kev ntsuas siab ua ntej rov siv dua.
Kev txiav txim siab txog yam khoom tshwj xeeb
Cov ntaub ntawv sib txawv ntawm qhov sib txawv muaj qhov sib txawv rau qhov chaw. Piv txwv li, tooj liab alloy li qub yuav tsum tau khaws cia kom deb ntawm ammonia kom tsis txhob muaj kev ntxhov siab corrosion tawg, thaum cov hlau hlau li qub yuav tsum muaj kev tiv thaiv los ntawm qhov kub thiab txias brittleness. Tsis tas li ntawd, rau cov khoom siv hluav taws xob, kev saib xyuas tshwj xeeb yuav tsum tau them rau kev sib khi ntawm cov thawv sib txuas, nrog cov khoom desiccants tso rau hauv yog tias tsim nyog los tiv thaiv luv luv.
Xaus
Spare valve cia tsis yog ib qho yooj yim warehousing hauj lwm tab sis yog ib qho tseem ceeb ntawm cov khoom vaj khoom tsev tswj kev ncaj ncees. Los ntawm kev tswj hwm ib puag ncig, kev muab tso rau tus qauv, ua kom zoo khaws cia, thiab ua raws li kev saib xyuas tsis tu ncua, koj ua kom lub neej ua haujlwm siab tshaj plaws. Qhov no ua kom ntseeg tau tias nyob rau lub sijhawm tseem ceeb, txhua lub valve ua haujlwm ruaj khov, muab kev tiv thaiv zoo rau kev nyab xeeb ntawm kev tsim khoom.
