Ib tug, dab tsi yog ib tug 法兰?
Lub flange yog ib qho disc -zoo li tus tivthaiv, thiab nws yog hom feem ntau nyob rau hauv pipeline engineering. Flanges yeej ib txwm siv ua khub. Hauv pipeline engineering, flanges feem ntau yog siv los txuas cov kav dej. Rau cov kav dej uas yuav tsum tau txuas nrog, ntau yam flange phaj raug ntsia. Rau qis- cov kav dej siab, threaded flanges tuaj yeem siv tau, thaum cov kav dej uas muaj qhov siab ntawm 4 kilograms lossis ntau dua, welded flanges yuav tsum tau siv. Ib qho kev sib khi yog ntxiv ntawm ob lub phaj flange, thiab tom qab ntawd lawv tau nruj nrog bolts. Flanges ntawm qhov sib txawv muaj qhov sib txawv thicknesses thiab siv cov bolts sib txawv. Rau cov twj tso kua mis thiab cov li qub, thaum txuas rau lub raj xa dej, cov khoom siv no kuj tau ua rau cov duab flange sib raug, uas tseem hu ua flange kev sib txuas. Txhua qhov kev sib txuas uas siv cov bolts los txuas thiab kaw ib txhij ntawm qhov chaw nruab nrab ntawm ob lub dav hlau feem ntau hu ua "flange", xws li kev sib txuas ntawm qhov cua ducts. Cov hom khoom no tuaj yeem hu ua "flange-type parts". Txawm li cas los xij, qhov kev sib txuas no tsuas yog ib feem ntawm cov khoom siv. Piv txwv li, kev sib txuas ntawm flange thiab lub twj tso kua mis tsis haum rau hu lub twj tso kua mis "flange-hom ib feem". Rau cov me me xws li li qub, lawv tuaj yeem hu ua "flange-hom qhov chaw".
II. Dab tsi yog qhov sib txuas ntawm lub flange? Qhov twg thiab nyob rau hauv hom yeeb nkab fittings yog siv?
Lub flange hloov tau yog lub phaj txav tau flange. Nws feem ntau yog siv ua ke nrog cov khoom siv dej thiab cov dej ntws tawm (cov ntawv thov feem ntau yog ntawm cov pob qij txha expansion). Thaum cov khoom tsim, muaj flange ntawm txhua qhov kawg ntawm kev sib koom ua ke, uas yog txuas ncaj qha rau cov kav dej thiab cov khoom siv hauv qhov project siv bolts. Lub inlet thiab qhov hluav taws xob ntawm cov xuab zeb thiab gravel twj tso kua mis kuj siv tau yooj yim flanges.
III. Lub flange txuas nrog cov yeeb nkab li cas thiab ntawm qhov twg nws yog welded?
Muaj ntau hom flanges. Feem ntau, lawv suav nrog cov flanges tiaj tus, taub qab-weld flanges (ntev- caj dab flanges), thiab plam- ntawm flanges, thiab lwm yam. Flat-welded flanges yog siv rau nruab nrab thiab qis siab, thiab lawv tau welded los ntawm kev ntxig. Ob sab yog welded, nrog rau qhov sib sib zog nqus qhov tob yog 2-5mm los ntawm sealing nto ntawm flange. Butt{11}}weld flanges tuaj yeem txuas ncaj qha ua ke. Slip-on flanges yog bolted ua ke thiab tsis tas yuav tsum tau vuam.
Plaub. "flanged" txhais li cas?
Lub flange yog ib qho kev sib txuas uas siv los koom nrog lub valve rau lub raj xa dej. Thaum lub valve txuas nrog lub raj xa dej, qhov taw qhia kev sib txuas yog ua tiav los ntawm kev sib txuas bolt. Yog li ntawd, yog tias ob lub ntsej muag kawg ntawm lub valve muaj N sib npaug sib npaug ntawm lub qhov taub, nws yog hom flange.
1. Flange: Flange yog cov txhais lus ntawm lo lus "flange", txhais tau tias ib yam dab tsi los yog ib feem nrog flange. Qhov no tuaj yeem yog ib feem, xws li flange disc, lossis nws tuaj yeem ua ib hom sib xyaw, xws li flanged kawg lossis ob qho kawg ntawm cov yeeb nkab. Lub flange muaj ob peb lub qhov ntawm nws sab saum toj los pab txhawb kev txhim kho cov ntsia hlau. Qee cov kabmob sab nrauv muaj flange, thiab qhov flange no tuaj yeem muaj qhov lossis tsis muaj qhov, ua haujlwm tsuas yog tus neeg saib xyuas thiab qhov chaw.
2. Flanged hom: Kev sib txuas ntawm lub valve thiab cov raj xa dej lossis cov khoom siv tshuab yog tsim los ntawm kev siv flange txuas. Txoj kev sib txuas no feem ntau hu ua flanged hom.
