1. Txheeb xyuas cov kev taw qhia kev teeb tsa: xyuas kom lub ntsej muag flange (toothed lossis du) yog dej ntws tawm ntawm qhov sib txuas ntawm cov khoom sib txuas, tig mus rau sab hauv, nrog cov threaded kawg tig rau sab nraud.
Yog tias lub ntsej muag flange tig mus rau sab nraud, qhov kev tiv thaiv -loosing muaj nuj nqi yuav ua tsis tau, uas yuav ua rau crushing los yog loosening.
2. Xyuas kom nruj zoo:
Diagonal re-kev tshuaj xyuas: Xyuas seb qhov nro yog ua tiav hauv kab pheeb ces kaum lossis lub hnub qub-zoo li kab ke kom tsis txhob flange misalignment.
Torque sampling: Siv lub torque wrench los random check bolts tseem ceeb, kom ntseeg tau tias tus tsim preload tau mus txog thiab tus nqi yog ruaj khov yam tsis muaj backflow.
Tshaj xov ntev: Tom qab zawm, tsawg kawg yog ob txoj xov tiav yuav tsum tau nthuav tawm ntawm lub bolt. luv luv, thiab nws yuav tsis ua kom tiav; ntev dhau lawm, thiab nws yuav cuam tshuam rau kev nyab xeeb thiab kev tiv thaiv.
3. Txheeb xyuas qhov kev pheej hmoo ntawm kev sib khi thiab cov dej xau
Hauv cov tshuab siab, ua qhov kev sim pneumatic lossis hydrostatic, nias rau 1.15 zaug (pneumatic) lossis 1.5 zaug (hydrostatic) ua haujlwm siab thiab tuav rau 30 feeb.
Siv cov dej xab npum rau kev sib txuas ntawm flange, ntsia liaj qhov rooj hauv paus, thiab cov npoo gasket, soj ntsuam kom tsis tu ncua bubbling. Bubbling qhia tias muaj dej ntws; depressurize, rov qab, los yog hloov lub gasket.
4. Kev tshuaj xyuas qhov muag pom thiab cov qauv zoo
Txheeb xyuas tias lub ntsej muag flange tau haum tag nrho, tsis muaj qhov khoob lossis qhov sib tsoo.
Zergled flanges yuav tsum muaj me ntsis indentations, qhia tias muaj kev koom tes zoo thiab tiv thaiv -loosing.
Tshawb xyuas cov txiv ntoo thiab bolts rau deformation, tawg, los yog stripped threads.
5. Kev soj ntsuam ntxiv rau kev ua haujlwm tshwj xeeb
High-Tsub/High-Pressure Systems: Ua kom kub ceev tom qab cov cuab yeej tau sov so kom them nyiaj rau qhov poob ua ntej vim thermal expansion thiab contraction.
Ib puag ncig kev vibration: Tom qab khiav mus rau ib lub sijhawm, rov- tshuaj xyuas seb cov txiv ntoo puas xoob, thiab ntxiv cov tshuab ntxhua khaub ncaws lossis siv cov nplaum los tiv thaiv kev xoob yog tias tsim nyog.
