Cov txheej txheem tiv thaiv -corrosion rauSSAW steel kavyog ib kauj ruam tseem ceeb hauv kev txhim kho lawv cov kav ntev thiab kev ua haujlwm hauv ntau yam kev siv. Cov hauv qab no feem ntau yog siv rau kev npaj nto thiab tiv thaiv corrosion rau SSAW steel yeeb nkab.
Nto polishing nrog tes thiab cov cuab yeej fais fab:
Cov cuab yeej zoo li hlau txhuam feem ntau yog siv los txhuam cov hlau ntawm SSAW steel kav. Cov txheej txheem no suav nrog kev tu thiab preheating cov kav dej kom tshem tawm cov nplais xoob, xeb, vuam slag, thiab lwm yam kab mob. Kev tshem tawm xeb ua tiav nrog cov cuab yeej tes tuaj yeem ncav cuag qib SA2, thaum cov cuab yeej hluav taws xob tuaj yeem ua tiav qib SA3. Txawm li cas los xij, yog tias cov nplais hlau oxide txuas nrog rau cov hlau saum npoo, cov nyhuv ntxuav yuav ua haujlwm tsawg dua, thiab qhov xav tau cov qauv thauj tog rau nkoj qhov tob rau kev tiv thaiv zoo - kev kho corrosion yuav tsis ua tiav.
Pickling nrog Solvents thiab Emulsions:
Pickling suav nrog kev siv cov kuab tshuaj thiab emulsions los ntxuav qhov chaw ntawm cov kav hlau welded. Txoj kev no tshem tawm cov organic tshuaj xws li roj, roj, plua plav, thiab roj nplua nyeem tab sis tsis zoo tiv thaiv xeb, oxide nplai, thiab flux. Yog li ntawd, pickling yog suav hais tias yog ib qho kev pabcuam hauv cov txheej txheem los tiv thaiv -corrosion ntau lawm es tsis yog ib txoj hauv kev rau kev tshem tawm xeb.
Tshuaj thiab Electrolytic Pickling:
Rau kev tu kom huv si ntau dua, kev siv tshuaj lom neeg thiab electrolytic feem ntau ua haujlwm. Tshuaj pickling yog tshwj xeeb tshaj yog pab tau rau pipeline tiv thaiv -corrosion raws li nws zoo tshem tawm scale, xeb, thiab qub txheej. Qee qhov xwm txheej, nws ua haujlwm raws li kev tshaj tawm - cov kauj ruam kho tom qab sandblasting thiab xeb tshem tawm. Thaum cov tshuaj pickling tuaj yeem ua tiav qib siab ntawm kev huv thiab qhov roughness, nws tsis tsim cov kab sib sib zog nqus thauj tog rau nkoj thiab tuaj yeem ua rau ib puag ncig muaj kuab paug vim muaj qhov seem tshuav nyob hauv thaj chaw stacking ntawm SSAW steel kav.
Cov kev tiv thaiv no -cov txheej txheem corrosion ua kom lub neej ntev thiab kev ntseeg siab ntawm SSAW steel kav, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig nyuaj.
