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Xeb nyob rau ua liaj ua teb

Hu xeb hlau oxide. Xeb - ib tug hais txog hais tias cov hlau tuaj mus rau hauv kev sib cuag nrog yog cov pa los yog cov dej. Lub nto ntawm qhov kev ntshiab hlau yog feem ntau nyob nruab nrab rau tej influences, tsuas oxidised hlau muaj tej yam impurities -. Carbon, sulfur, phosphorus, thiab lwm yam tas li ntawd oxidative nres tej zaum yuav muaj ib tug leej faj oxide thiab cov pa roj carbon dioxide, uas muaj nyob hauv cov dej.

Xeb txaus ntshai dag nyob rau hauv lub fact tias nws erodes maj mam tsab xov xwm uas ua los ntawm steel los yog cam khwb cia hlau, maj mam hloov nws zoo thiab ntim. hlau oxidation plays ib tug puas lub luag hauj lwm.

Nyob rau hauv Feem ntau, kom tsis txhob xeb yam khoom coated nrog ib tug tshwj xeeb txheej tshwj xeeb rau qhov kev siv chromium oxide. Tab sis li cas yog tias ib tug hlau hlau oxidation txheej txheem twb pib?

Nyob rau hauv cov ntaub ntawv no, yuav pab tau ib tug xeb converter. Nws tsuas tsis eliminates lub oxidation maj corroding hlau tab sis kuj tsim ib tug muaj zog tiv thaiv zaj duab xis los ntawm oxidation khoom. Yeej xeb converter yog siv nyob rau hauv thiaj li yuav tiv thaiv xeb tsim, ua los ntawm cov pa roj carbon los yog tsawg alloy steels. Nyob rau hauv no hlau oxide txheej yuav tsum tsis txhob yuav ntau tshaj 100 micrometers. Xeb feem ntau ua los ntawm phosphoric acid thiab ib tug hydroxycarboxylic acid, tannin, thiab txawm xis mas. Nws yuav yuav nyob rau hauv daim ntawv ntawm ib tug emulsion, tshuaj los yog raug tshem tawm.

Ntau hom ntawm cov kab mob ua nyob rau hauv ntau txoj kev. Conventionally, lawv muab faib ua ob peb lub ntsiab pawg: xeb converter rau hauv lub hauv av nyob rau hauv lub paintwork; stabilizers, corrosion khoom, uas hloov lub hlau oxide hydrate nyob rau hauv ib tug ntau ruaj khov tshuaj compound; converters xeb khoom, xeb hloov ib tug sparingly soluble ntsev; tshwj xeeb ib tug allergic compositions uas yuav compact xeb khoom.

Nyob rau hauv kev xaiv tus qauv rau kev thov cov nyiaj mus rau cov steel nto plays ib tug yuav tsum muaj lub luag hauj lwm ntawm ib tug viscosity neeg sawv cev. Nyob ntawm seb lub taub hau, xeb converter thov khiav txheej, ntsw, txhuam los yog los ntawm txau. Ua ntej cov hlau nto mus them rau cov coj qauv, nws yog tsim nyog los npaj. Nws yog tsim nyog los ntxuav tawm lub reservoir xeb khoom thiab tej khaubncaws sab nraud povtseg ntawm xeb.

Converters yog contraindicated rau cov kev siv nyob rau hauv cov lub sij hawm thaum lub oxidation twb tshwm sim los ntawm cov cua uas muaj ib tug muaj zog npaum li cas ntawm ammonia, hydrogen sulphide los yog leej faj dioxide.

Yog hais tias xeb tau them ib feem ntawm koj lub tsheb, nws yog tsim nyog los siv tshwj xeeb hom ntawm xeb converter primer. Lawv tshem tawm cov laus txheej ntawm corrosion thiab tsis muab daim ntawv mus rau qhov tshiab txheej. Cov neeg sawv cev muaj peev xwm hloov cov xim ntawm tus nto nyob ntawm seb hom ntawm corrosion. Ua ntej, npaj qhov khoom - tshem tawm cov av thiab roj, yog hais tias lawv yog tam sim no nyob rau hauv nws. Hlau txhuam, tshem tawm cov xeb khoom. Ces yaug nrog muaj kuab paug residues nto. Co ua ntej yuav siv xeb converter. Muaj pes tsawg leeg yog thov mus rau lub npaj nto.

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