1, Qhia tawm ntawm Valve Lub Cev thiab Valve Npog:
Ua rau:
1. Qhov zoo ntawm cam khwb cia hlau casting tsis yog siab, thiab muaj cov qauv zeb, thiab swb rau ntawm lub cev thiab cov npog valve
2. Cov huab cua txias thiab khov tawg;
3. Cov riveting tsis zoo, nrog qhov tsis xws luag xws li swb swb, tsis muaj riveting, thiab kev ntxhov siab tawg;
4. Nrov hlau li qub yog puas tom qab raug ntaus los ntawm cov khoom hnyav.
Cov kauj ruam tiv thaiv:
1. Cov nrov nrov ntawm melting thiab nrum, thiab txuas ntxiv mus sim lub zog ntawm thaj chaw loj nyob rau hauv pem hauv ntej ntawm cov kev cai raws li cov cai;
2. Li qub nrog kub hauv qab {{1} degree c tau khaws cov tshiab lossis rhaub uas tseem siv yuav tsum tau haus dej
3. Lub cev weld ntawm lub cev lub cev thiab valve tsim ntawm cov txheej txheem kev ua haujlwm ua haujlwm, thiab tom qab kev ntsuam xyuas ntxiv thiab kev sim ntsuas yuav tsum tau nqa;
4. Nws raug txwv kom thawb lossis muab cov khoom hnyav rau li qub, thiab nws tsis pub tawm tsam cov hlau thiab cov hlau me me nrog rab rauj. Cov cuab yeej rau cov roj uas loj-uas hla yuav tsum muaj cov nkhaus.
2, softage ntawm cov ntim point (sab nraud xau ntawm lub valve, nrog cov ntim taw qhia kev suav rau cov feem ntau)
Ua rau:
1. Kev xaiv ntawm cov ntim yog qhov tsis raug, nws tsis tiv taus lub yaig ntawm qhov nruab nrab, thiab nws tsis tiv taus kev siv lub siab lossis lub tshuab nqus dej tsis tshua muaj dej khov;
2. Cov khoom ntim tsis yog, nrog cov drawbacks xws li hloov loj nrog me me, tsis zoo drilling ib ncig pob qij txha, thiab xoob nruj thiab txo qis;
3. Cov tub lim yog zoo dua li lawv lub neej pabcuam, raws li lawv muaj hnub nyoog thiab poob lawv elasticity
4. Qhov tseeb ntawm lub valve qia tsis siab, thiab nws muaj qhov tsis zoo xws li winding, yaig, thiab hnav
5. Muaj ntau cov roofing, tab sis lub zog lub hau tsis nruj nreem;
6. Lub npog, bolts, thiab lwm yam muaj puas, ua rau npog npog kom nruj;
7. Kev ua haujlwm tsis raug cai, ntau zog quab yuam, thiab lwm yam;
8. Lub zog lub zog yog skewed, thiab kev sib txawv ntawm lub zog lub siab thiab lub valve lub hau yog me me lossis loj dhau, ua rau lub valve qia thiab kev puas tsuaj rau lub ntim.
Cov kauj ruam tiv thaiv:
1. Cov ntaub ntawv thiab cov hom ntawm cov khoom sau yuav tsum tau xaiv raws li cov haujlwm ua haujlwm;
2.
3. Ua cov kev pabcuam nrog lub neej ntev ua haujlwm, kev laus, thiab tsis zoo yuav tsum tau hloov nyob rau lub sijhawm;
4. Lub valve qia yuav tsum ncaj thiab kho tom qab winding thiab hnav, thiab cov uas muaj kev puas tsuaj tseem yuav tsum hloov lub sijhawm;
5. Cov ntim yuav tsum tau nruab nrog cov naj npawb ntawm cov lem, thiab lub siab npog yuav tsum tau ua kom nruj tusyees. Lub cev lub cev yuav tsum muaj qhov sib txawv ua kom nruj sib txawv ntawm dhau 5 hli;
6. Puas yog cov ntaub npog, bolts, thiab lwm yam yuav tsum tau kho lossis hloov mus rau lub sijhawm;
7. Ua txhaum cov kev ua haujlwm ntawm cov txheej txheem, tshwj tsis yog muaj kev cuam tshuam kev sib tua, ua haujlwm nrog kev sib zog tsis zoo;
8. Cov caj pas bolts yuav tsum ua kom nruj thiab tusyees. Yog tias qhov sib txawv ntawm cov caj dab thiab lub valve kav yog me me heev, qhov sib txawv yuav tsum tau nce ntxiv;
Qhov sib txawv ntawm cov caj dab thiab lub valve kav loj dhau thiab yuav tsum tau hloov.
3, Kev tshaj tawm ntawm phau ntawv zais cia npog
Ua rau:
1. Sib tsoo cov sealing npog nrog cov cua compressed kom tiv thaiv kom muaj kev tsim ntawm txoj kab sealing;
2. Sab saum toj nruab nrab ntawm kev sib txuas ntawm lub valve qia thiab qhib ib feem raug tshem tawm, misaligned, lossis hnav;
3. Lub valve qia cua los yog disassembled tsis raug, ua rau qhib ib feem rau qaij lossis tsis tau raws li qhov chaw;
4. Kev xaiv tsis raug cai ntawm cov khoom lag luam zoo lossis tsis ua tiav cov khoom siv raws li kev ua haujlwm
Cov kauj ruam tiv thaiv:
1. Kev xaiv tsis raug ntawm cov ntaub ntawv thiab hom shims raws li kev ua haujlwm;
2. Ua tib zoo hloov kho thiab ua haujlwm luv;
3. Lub bolts yuav tsum tau ua kom nruj thiab tusyees, thiab yog tias muaj ntau dhau lawm, ib lub zog khi ntau dhau los. Lub pre kev sib zog ua kom nruj yuav tsum muaj kev sib xws thiab tsis dhau loj lossis tsawg dhau. Yuav tsum muaj ib qho kev ua tiav ua ntej ua kom nruj sib txawv ntawm qhov sib txuas ntawm cov flange thiab lub hau ntswj;
4. Lub disassembly ntawm gaskets yuav tsum tau ua raws li lub chaw, nrog txawm yuam kev faib. Cov gaskets tsis pub rau sib tshooj lossis siv ob lub gaskets;
5. Lub yaig, deterioration, thiab kev ua kom zoo zoo ntawm phau ntawv npog zoo li qub, thiab cov ntawv cim xim yuav tsum ua kom pom tias cov phau ntawv sau cim zoo li qub rau tus qauv qub;
6. Ua tib zoo saib xyuas qhov tseeb thaum txhim kho gaskets, siv kerosene los ntxuav cov npog sealing, thiab lub gasket yuav tsum tsis txhob poob rau hauv av.
4, nthuav tawm ntawm gasket kev txuas
Ua rau:
1. Lub gasket tsis nruj me ntsis dov
2. Lub gasket yog riveted rau lub cev, thiab cov vuam zoo yog neeg pluag;
3. Xiav Fasteners, Screws, thiab siab Rings rau gasket sib txuas;
5. Lub gasket kev sib txuas yog corroded.
Cov kauj ruam tiv thaiv:
1. Lub chaw kaw rolling tawm tsam pom tias cov nplaum yuav tsum tau txhaj thiab tom qab ntawd yob tiag tiag;
2. Lub gasket yuav tsum tau muab welded raws li cov qauv vuam. Thaum kho cov vuam ntawm lub vev xaib vuam, lub ntsej muag sib tw ua haujlwm yuav tsum tau muab tshem tawm;
3. Tshem tawm cov ntsia hlau, ntxuav lub taub hau siab, hloov cov khoom siv uas tsis zoo, zom cov laj kab sib khi, thiab cuam tshuam lawv dua. Rau cov khoom siv nrog kev yaig uas tseem ceeb tshaj plaws thiab kev puas tsuaj, cov kauj ruam xws li riveting thiab tsev neeg tuaj yeem siv rau kev kho;
4. Qhov sib koom ua ke ntawm lub gasket yog corroded, thiab tuaj yeem kho los ntawm kev sib tsoo, sib tsoo, thiab lwm cov kauj ruam. Yog tias tsim nyog, lub gasket yuav tsum tau hloov thaum kho tau.
5, Takeage tshwm sim los ntawm kev ua kas catchment ntawm qhib qhov chaw:
Ua rau:
1. Cov lag luam tsis zoo ua rau qhib qhov chaw kom tau daig lossis ua kom muaj qhov chaw tuag saum toj kawg nkaus, thiab kev sib txuas yog puas lossis tawg;
2. Kev sib txuas ntawm qhov chaw qhib tsis yog ruaj, thiab lawv plam thiab poob tawm;
3. Xaiv cov khoom tsis yog rau cov khoom sib txuas tsis tuaj yeem tiv thaiv cov yaig ntawm qhov nruab nrab thiab cov neeg kho tshuab hnav.
Cov kauj ruam tiv thaiv:
1. Kev ua haujlwm tsis raug: tsis txhob thov ntau dhau thaum qhib lub pob valve. Tsis txhob pub tshaj lub chaw tuag saum toj kawg nkaus thaum qhib lub pob valve. Tom qab tag nrho qhib lub pob valve, cov tes yuav tsum tau thim rov qab me ntsis;
2. Qhov kev sib txuas ntawm qhov qhib thiab lub valve lub qia yuav tsum yog khov kho, thiab yuav tsum muaj lub chaw nres tsheb ntawm cov hlau nplaum sib txuas;
3. Lub fasteners siv los txuas qhib qhov chaw rau lub valve qia yuav tsum tiv taus cov yaig ntawm nruab nrab thiab muaj qee yam siv zog thiab hnav tsis kam.