Vim tias tus npauj npoo fais fab muaj li ntawm npauj npaim thiab siv fais fab, yuav ua li cas thiaj xaiv tau qhov fais fab tom qab fais fab npauj npaim valve txiav txim siab yog qhov tseem ceeb tshaj plaws txog seb qhov kev xav tau muaj peev xwm ua tau li cas rau engineering. Hauv kev xaiv ntawm cov khoom siv fais fab, tsis yog qhov chaw ua haujlwm, kev tswj hluav taws xob thiab kev ua haujlwm dav dav yuav tsum raug xam tias, tab sis tseem muaj kev qhia txog kev siv hluav taws xob cov npoo fais valve ntaus ntawv.
1, qhov tso cai tus nqi ntawm lub qia lub cheeb
Cov nqaj pas nrig yuav tsum raug xaiv los ntawm cov cuab yeej hluav taws xob kom them nyiaj rau lub qis kab uas nws tau pub dhau, thiab lub kav kab yuav tsum tsawg tshaj qhov nqi no. Tsis tas li ntawd, rau ntau qhov qhib fais fab, qhov siab ntawm lub qia hau yuav tsum tau tsa ceg thaum xaiv (ntsig txog txoj kev mob ntsws). Qib qis qis qis qis tsis tau nruab nrog qia hau.
2. Kev sib txuas ntawm lub tshuab valve thiab fais fab
Kev sib txuas hom thiab qhov loj ntawm lub valve thiab hluav taws xob ntaus ntawv yuav tsum ua raws li lub tebchaws tus qauv: GB / T12222-1989 kev txuas ntawm cov kev sib tshuam ntaus nqi, GB / T12223-1989 feem ntawm lub valve tsav ntaus txuas.
3. Output torque thiab ceev ntawm fais fab
Qhov tso zis qhov muaj nqis yog ib qho tseem ceeb ntawm cov khoom siv fais fab, thiab nws yog ib qhov tseem ceeb uas yuav tsum tau xaiv thaum siv. Yog tias lub qhov tso zis ntawm qhov hluav taws xob tau xaiv thaum tus npauj npaim fais fab sib dhos tau sib dhos loj heev lossis tsis txaus, nws tsis zoo. Vim hais tias ntawm qhov teeb meem no, lub tuam txhab hluav taws xob yuav tsum kuaj thiab kho cov zis qhov hluav taws xob thaum qhov khoom tawm lub Hoobkas, uas yog qhov tseeb. Yog tias cov zis tshaj tawm ntawm cov zis yuav raug xaiv, lub tshuab fais fab yuav muaj kev txaus ntshai. Thaum qhov kev tiv thaiv kev tiv thaiv tsis muaj tshwm sim, lub valve yuav raug yooj yim puas (lub plhaub valve yog nyom thiab lub cev lub plab yog tawg), uas yog yooj yim ua rau. Pipeline system accident. Yog li no, nws tsis yog qhov tsim nyog los xaiv qhov tso zis torque npoo loj heev. Yog tias koj tuaj yeem tsis qhib lub valve hauv kev ua hauj lwm tiag, nws yog tsis tsim nyog.
