Yuav ua li cas kom raug nrog cov teeb meem blackening ntawm flange hluav taws xob

Yuav ua li cas cov flange hluav taws xob rhaub kom yog qhov teeb meem me me? Ntawm no yog qee cov ntsiab lus ntsig txog:

1.} kev npaj ua ntej

Ua ntej, ntxuav cov npoo ntawm hluav taws xob cua sov raj kom tshem tawm impurities, yog li los xyuas kom cov nplaim hluav taws xob ntawm lub raj ntawm lub raj hluav taws xob cua sov .

2.} degreasing kho

Rawv lub raj hluav taws xob hluav taws xob cua sov cua sov nrog rau cov khoom siv cua sov ua kom ntev li 30}}}}} {} {} {} {{4 {}

3.} pickling

Tom qab cov tshuaj kho tsis tau zoo, yuav muaj cov tshuaj alkaline thiab cov roj ua kua kub li ntawm 3, kom nws cov roj hluav taws xob kom huv si, thiab siv hluav taws xob hluav taws xob {}}

4.} blackening kho

Nco ntsoov tias cov khoom ua kua phot yog nruab nrab ntawm 2-4}}}}} Tom qab kev kho mob {}}

5.}} qhuav thiab roj ua tiav

Tom qab kev kho hluav taws xob saum npoo thiab tu cov raj cua kub cua sov, nws yog ib qho txheej txheem cua sov tom qab tov lub luag hauj lwm zoo hauv cov cua sov ua haujlwm thiab tiv thaiv cov cua sov raj .