Txheej electrophoreticzoo ib yam li lwm txoj kev txheej. Cov khoom uas tau coated yuav tsum tau kho qhov chaw ua ntej txheej. Kev kho qhov chaw yog ib txoj haujlwm tseem ceeb uas yuav tsum tau ua ua ntej txheej. Cov txheej txheem txheej sib txawv, cov ntaub ntawv sib txawv thiab lawv cov xwm txheej ntawm qhov chaw, yog li cov txheej txheem kho qhov chaw thiab cov txheej txheem uas xav tau tsis zoo ib yam. Tsis yog tsuas yog cov txheej txheem kho qhov chaw sib txawv thiab qhov zoo ntawm kev kho mob cuam tshuam rau qhov zoo ntawm txheej xwb, tab sis kuj tseem muaj qhov cuam tshuam loj dua. Yog li ntawd, thaum peb ua cov qauv tsim, peb yuav tsum xaiv txoj kev teeb tsa, cov khoom siv thiab qhov xwm txheej ntawm cov khoom coated, thiab cov txheej txheem kho qhov chaw thiab txoj kev nrog kev sib raug zoo, cov txiaj ntsig zoo ntawm kev kho mob thiab tus nqi qis dua yuav tsum tau xaiv ntau li ntau tau.
Vim li cas electrophoresis muaj cov txheej txheem ua ntej kho?
Hauv cov txheej txheem ua ntej ntawm electrophoresis, muaj kev koom tes sib koom tes ntawm kev tshem tawm cov roj, tshem tawm xeb, phosphating, kho qhov chaw thiab lwm yam txheej txheem. Nws tuaj yeem hais tias kev kho ua ntej yog qhov tseem ceeb hauv kev txheej electrophoretic, uas cuam tshuam nrog kev ruaj khov ntawm lub da dej pleev xim electrophoretic tom qab electrophoresis thiab qhov zoo ntawm cov zaj duab xis txheej ntawm qhov chaw ua haujlwm.
Yuav kom tau txais qhov ruaj khov thiab tiv taus corrosion ntawm cov zaj duab xis txheej ntawm cov khoom siv electrophoretic, kev kho phosphating yog siv ua ntej kev kho mob ntawm cov txheej. Kev kho phosphating (tseem hu ua kev kho tshuaj phosphate) yog ib qho thev naus laus zis (phosphating zaj duab xis) uas siv cov tshuaj sib cais (equilibrium) ntawm phosphoric acid los ua kom cov ntsev hlau phosphate tsis yaj rau ntawm qhov chaw ntawm cov hlau ntxuav (degreased). Lub luag haujlwm ntawm cov zaj duab xis phosphating yog los txhim kho qhov lo thiab tiv taus corrosion ntawm cov zaj duab xis txheej (electrophoretic txheej) uas siv rau nws.
Hais txog qhov kev nplaum, cov siv lead ua los ntawm cov zaj duab xis phosphide tau yaj me ntsis rau hauv cov hlau nto, thiab qhov kev nplaum ntawm cov siv lead ua zoo. Tsis tas li ntawd, thaj chaw ntawm qhov chaw nce ntxiv vim yog qhov tsis sib xws ntawm ntau cov siv lead ua, thiab qhov kev nplaum ntawm cov zaj duab xis txheej tau zoo dua. Tom qab ntawd, nrog kev txhim kho ntawm qhov kev nplaum ntawm cov zaj duab xis txheej, kev nkag mus ntawm cov tshuaj ua rau xeb raug tiv thaiv, thiab qhov kev tiv thaiv xeb tau zoo dua (tshwj xeeb tshaj yog qhov kev nthuav dav ntawm xeb hauv qab cov zaj duab xis xim tuaj yeem tiv thaiv tau).
Cov txheej txheej yuav blister thiab xeb hauv lub sijhawm luv luv yam tsis muaj phosphating. Cov dej thiab cua hla dhau cov zaj duab xis txheej mus txog qhov chaw ntawm cov khoom ua haujlwm los tsim cov xeb liab thiab o cov zaj duab xis xim. Cov dej thiab cua hla dhau cov zaj duab xis txheej mus txog cov hlau galvanized los tsim cov xeb dawb, uas kuj cuam tshuam nrog cov zaj duab xis txheej los tsim cov xab npum hlau. Ob peb zaug loj dua, yog li cov zaj duab xis txheej tau puffed ntau dua. Cov zaj duab xis phosphate yog cov zaj duab xis tsis yaj uas tsim rau ntawm qhov chaw hlau los ntawm kev tshuaj lom neeg. Vim nws qhov kev nplaum zoo (lub cev) thiab kev ruaj khov tshuaj lom neeg, nws raug kho raws li cov khoom siv tiv thaiv xeb tiv thaiv.
Yuav kom tau txais cov zaj duab xis phosphating zoo heev thiab ruaj khov thiab xyuas kom meej tias nws cov nplaum thiab tiv taus corrosion, kev tswj hwm kev kho ua ntej yog qhov tseem ceeb heev. Tib lub sijhawm, nws yog qhov tsim nyog kom nkag siab zoo txog cov txheej txheem tshuaj tiv thaiv yooj yim thiab cov ntsiab lus ntawm kev kho phosphating.
Lub sijhawm tshaj tawm: Lub Xya Hli-08-2022
