Dab tsi yog kev npaj ua ntej vuam pusher pack roj kav?
Bevel ua (V-puab lossis U-puab tu (tshem tawm roj, xeb) thiab pall-walled pipes lossis dej kub ib puag ncig) yuav tsum muaj. Cov vuam xaiv Rod yuav tsum ua cov khoom siv rau niam txiv (xws li J422 Vuam pas nrig rau Q235b), thiab nws yuav tsum qhuav thiab noo-pov thawj. Qhov chaw muab txoj kev sib tw yuav tsum tsis tshaj 300 hli, thiab vuam txheej txheem tsim nyog (WPS \/ PQR) yog qhov yuav tsum tau ua. Kev kho cua sov siab kuj yuav tsum tau yoo-wb weld kev kho cua sov (pwht) kom tshem tawm hydrogen.
Dab tsi yog cov ntsiab lus tseem ceeb ntawm kev txhawb nqa thiab tus neeg khuam khawb ncaws tsim hauv cov yeeb nkab steel hlau installation?
Cov kev txhawb nqa ruaj ruaj yuav tsum tau siv qhov nyhav ntawm cov raj dej thiab cov hluav taws xob tsis txaus siab, thiab cov kev txhawb nqa zawv zawg yuav tsum tso cai ua kom tsis zoo. Qhov kev sib tw tau suav raws cov yeeb nkab taub thiab qhov nruab nrab (xws li {{m} m} m} m} meting rau dn150 kav dej). Lub caij nplooj zeeg txhawb nqa thiab cov hangers tau siv los them rau kev nthuav dav ntawm cov raj hluav taws xob kub, thiab qhia kev txhawb nqa kev tiv thaiv kev ua kom cov chaw nres tsheb tom ntej. Cov khoom yuav tsum sib phim ib puag ncig (xws li stainless hlau bolts rau cov chaw noo). Kev ntsuas kev thauj khoom yuav tsum tau tom qab kev teeb tsa.
Yuav ua li cas rau kev txheeb xyuas xau nyob rau hauv cov kav hlau steel?
Siab Ntsuas Kev Ntsuas Siab 1.5 zaug tsim kev tsim kho) yog txoj kev pib. Cov roj av roj tuaj yeem raug xau nrog cov dej xau lossis dej ntau heev. Kev sim ultrasonic (uj) tuaj yeem txheeb xyuas cov kab nrib me me, thiab infrared thermal kev ua kom haum yog qhov tsim rau cov kav nkoj faus. Ntse Yeeb Nkab Tu (Npua) tuaj yeem nrhiav cov kab ke ntev ntev. Niaj hnub kev soj ntsuam yuav tsum tau them sai sai rau kev hloov txawv txav, khov lossis tsw.
Dab tsi yog qhov xeb tshem tawm hauv cov pa roj carbon hlau?
Tes Cuab Yeej (Hlau txhuam) yog tsim nyog rau thaj chaw me me, thiab kho tshuab xeb tshem tawm (thiab grandblasting) yog siv tau ntau dua. Tshuaj lom neeg (xws li hydrochloric acid immersion) yuav tsum muaj kev ntxhov siab kom tiv thaiv kev xeb theem nrab. Laser Rum tshem tawm yog ib qho kev tawm tsam uas yog ib puag ncig phooj ywg tab sis muaj nuj nqis. Tom qab Rust tshem tawm, pleev xim yuav tsum tau ua hauv 4 teev los tiv thaiv xeb. Sa2.5 qib (ze rau qib dawb) yog cov qauv dav dav ua ntej txheej.
Thaum twg cov pa roj carbon hlau yuav tsum tau hloov?
Hloov yuav tsum thaum lub phab ntsa tuab corrosion ntau dua li cov qauv tsim (xws li<80% of the calculated minimum wall thickness), there are irreparable cracks or severe deformation. Frequent leakage or reduced pressure bearing capacity (such as failure of water pressure test) are also signals for replacement. For high-risk media (such as flammable and explosive), the inspection cycle needs to be shortened (such as from 5 years to 2 years). It is recommended to replace pipe sections with a historical maintenance record of more than 3 times/year first.
