DAB TSI THIAB ROJ?
Jan 11, 2021
Pickling yog dab tsi?
Picklingyog hlau ntxuav tu cov txheej txheem uas feem ntau siv tom qab hlau tsim. Pickling cleans cov hlau saum npoo los ntawm kev tso ib qho hlau nkag mus rau hauv kev sib cuag nrog cov kua qaub hu ua cov cawv cawv. Hom kua qaub uas ua rau lub cawv qaub kuab dua yog nyob ntawm cov hlau tau pickled, tab sis rau feem ntau qisalloy hlauNws yog hydrochloric acid. Rau cov hlau uas muaj peev xwm tiv taus cov kua qaub, cov kua qaub ntau dua los yog kev xaiv ob-kauj ruam kuj yuav tsum tau siv kom ua tiav qhov xav tau tu.
Kev Xaiv Ua Yeeb Yam Zoo Li Cas?
Ua ntej cov hlau tuaj yeem xaiv tau, nws yog ib txwm yaug nrog kev daws kom tshem cov loj ntawm cov av thiab khib nyiab. Ua raws li cov txheej txheem kev yaug, cov hlau muab tso rau hauv kev haus dej haus cawv. Thaum cov hlau tso rau hauv lub cawv kais, cov kua qaub ua haujlwm kom tshem tawm cov impurities hauv qab. Thaum lub sijhawm tshwj xeeb txog kev siv lub sij hawm tau mus txog, cov hlau raug muab tshem tawm kom tiv thaiv kev ua kom dhau cov kua qaub. Nrog rau qhov tsim nyog xaiv haus dej cawv thiab lub sij hawm sib dhos kom zoo, lub nplaim saum npoo yuav raug tshem tawm ntawm cov hlau saum npoo nrog qhov tsis tshua muaj hlau. Tom qab raug tshem tawm los ntawm cov kua dej qaub ncaug, cov hlau rov yaug dua. Ua raws li cov yaug no, nws feem ntau dhau los ntawm cov txheej txheem hu ua kev pleev roj.
Dab Tsi Yog Oiling?
Oiling yog cov txheej txheem tiv thaiv oxidation uas feem ntau ua tiav tam sim ntawd tom qab khaws thiab yaug. Nws yog ua vim hais tias cov hlau txheej, thaum nws tau xaiv, yog tag kis qhov chaw. Qhov no tuaj yeem ua rau kev xeb sai. Ntawm cov hlau tshwj xeeb, nws yog ib qho ua kom tau txais xeb dhau los ua tus txheej txheem pickling. Los ntawm kev thov cov roj nyob rau sab saum toj ntawm cov hlau tsis ntev los no thiab xeb, qhov kev txhim kho no tiv thaiv thiab cov hlau tuaj yeem khaws cia ntev ntev nrog cov oxidation tsawg heev. Qee qhov kev tsim cov ntaub ntawv yuav xav tau kom tshem tawm cov roj no, tab sis nws yuav tsum tsis txhob ua kom txog thaum hlau npaj rau kev tsim ua.
Vim li cas Pickle thiab Roj?
Pickling tshem tawm cov khoom tsis huv saum npoo av uas yuav cuam tshuam nrog kev tsim khoom thiab cov txheej txheej kom deb ntxiv cov nqes hlau. Piv txwv li, vuam ntawm cov hlau nrog ntau qhov ntawm cov khoom qias tuaj yeem ua rau lub vuam tsoo muaj qhov tsis zoo. Kev tha xim hlau nrog cov nplaim tawg ntawm cov nplai zeb tuaj yeem ua rau cov xim muaj hlau ua kom tsis zoo thiab ua kom tawg.
Oiling yog ua vim yog lub sijhawm ntev los ntawm cov hlau zam hauv nruab nrab ntawm txoj kev ua thiab tsim cov kev ua kom tiav. Yog tias tsis muaj roj, cov hlau yuav thim zuj zus mus sai dua thiab tsis tuaj yeem tsis haum rau kev tsim khoom thaum nws xav tau thaum kawg.
Kev xaiv thiab xaum roj nquag ua tiav qhov kawg ntawm cov txheej txheem sib sau ntawm lub tshuab zeb vim tias tsis muaj cov qias neeg ntau dua los yog lwm cov khoom siv zeb yuav tsum tau nkag mus rau hauv kev sib cuag nrog cov hlau tsis ntev los no. Ib qho kev zam rau qhov no yog tias lub hlau kub yav dhau los yuav tsum tau txiav txuas tom qab txias-dov. Cov txheej txheem txias dov yog qhov ua tau zoo dua thaum tsis muaj txheej txheem saum npoo ntawm cov hlau.
Dab Tsi Ntawm Cov Hlau Nqaij thiab Oiled?
Ntau cov hlau alloys yog nquag heev pickled thiab oiled.Kub-hau steelsfeem ntau muaj cov nplai zeb uas yuav tsum tau tshem tawm. Thaum pickling tshem tawm cov zeb teev, cov hlau yog qhov yooj yim nyem flash xeb vim tias nws raug nthuav tawm. Oiling tom qab pickling tiv thaiv qhov no. Yog tias muaj ntau cov ntsiab lus ntawm alloying hauv cov hlau alloy, tom qab ntawd cov txheej txheem pickling ntau ntxiv yuav tsum tau siv lossis cov dej cawv kuab cawv ntau ntau yuav tsum tau ua haujlwm.
Stainless hlautseem nquag xaiv cov roj thiab muaj roj. Zoo liCov pa roj carbon steelsnrog lub siab ntawm cov lus alloying, cov hlau tsis muaj zog yuav tsum muaj cov acids uas muaj zog tiv thaiv zoo.
Alloys alloys qee zaum pickled rau qee yam tseem ceeb siv.
Tooj liab,tooj dag,tooj dag, thiab lwm cov tooj liab alloys kuj nquag zom thiab roj. Xaiv thiab roj tuaj yeem pab tiv thaiv tooj liab los ntawm ua ib txheej txheej ntsuab tooj liab oxide.

