Tom qab tau khaws thiab tshem tawm ntawm lub tank pickling, cov kav hlau muaj cov kua qaub seem, hlau ntsev, thiab lwm yam khoom uas ua rau lawv qhov chaw. Cov khoom no yog kev pua
Yam dab tsi yuav tsum tau kuaj xyuas tus kheej thaum lub sijhawm pickling
Cov laj thawj vim li cas cov kav hlau yuav tsum tau yaug tam sim tom qab pickling
Yog vim li cas rau lifting thiab txo cov bundled steel kav ob peb zaug thaum pickling
Thaum pickling steel hlab, cov kev paub hauv qab no feem ntau pom: Ua ntej, thaum cov hlau hlab oscillated los yog thaum cov tshuaj pickling yog agitated los ntawm chav cua sov, lu
Nyob rau hauv ntau lub tank txoj kev ntawm pickling steel hlab, cov hlab yog thawj pre-pickled nyob rau hauv lub tank nrog ib tug kuj tsis tshua muaj acid concentration tab sis sia
Cov txheej txheem ntawm kev qhia ncaj qha rau hauv cov kev daws teeb meem rau cua sov yog dav siv vim nws txoj kev yooj yim, yooj yim ntawm kev siv, thiab kev ua kom sov siab. Nws
Cov txheej txheem cua sov rau Pickling Solutions
Tom qab pickling, welded steel kav yog nquag tsim corrosion pits raws longitudinal weld seam, ua rau muaj tshwm sim ntawm xws li tsis xws luag tshwj xeeb tshaj yog nyob rau hauv ga
Acid Embrittlement (los yog Hydrogen Embrittlement)
(1) Hauv qab-pickling: Tom qab pickling, yog tias muaj cov cheeb tsam hauv cheeb tsam ntawm oxide nplai sab laug ntawm cov yeeb nkab steel, nws yog hu ua under-pickling defect. Kev
Ua ntej txheej txheem pickling, nws raug nquahu kom preheat cov kav hlau hauv dej kub ntawm qhov kub ntawm 25-50 degree rau 1-3 feeb ua ntej pib nrog pickling. Qhov no ua haujlwm r