Lub tshuab nqus tsev plating khoom siv nruab nrab ua haujlwm

Lub tshuab nqus tsev plating khoom siv nruab nrab ua haujlwm

Neutralization cov tshuaj tiv thaiv thiab cov khoom sib cais ntawm cov kua dej yog qhov tseem ceeb ntawm tag nrho cov txheej txheem kho dej. Tsim nyog pH tswj kom ua Zn2 ntxiv rau daim ntawv Zn (OH)2 nag lossis daus, thiab ua tiav cov kua-kua sib cais yog tus yuam sij rau kev ua kom cov paug tawm mus txog tus qauv. Chav tsev no yog tsim los ntawm grille, regulating tank, neutralization cov tshuaj tiv thaiv sedimentation tank. Lub dosing system txais ib tug ntau-tsim integrated dosing khoom, uas yog tsim los ntawm dosing chim, meter thiab tswj system. Nws txais kev tswj tsis siv neeg thiab kev tswj xyuas phau ntawv. Txoj kev hloov pauv no tsis yog tsuas yog ua kom cov dej nag zoo tshaj plaws, tab sis kuj yog ib qho yooj yim rau kev khiav lag luam, yooj yim thiab yooj yim, thiab tuaj yeem hloov kho qhov koob tshuaj kom paub meej qhov tseeb ntawm cov koob tshuaj thiab tswj tus nqi pH ruaj khov. Cov tshuaj npaj Na (OH) yog nws tus kheej nqus mus rau hauv qhov nruab nrab cov tshuaj tiv thaiv sedimentation tank los ntawm lub tshuab nqa nqa. Txoj kev hloov pauv siv hauv kev kho cov yas electroplating cov dej khib nyiab yog qhov yooj yim hauv cov txheej txheem, yooj yim thiab hloov tau yooj yim hauv kev ua haujlwm, siv tau thiab muaj zog, ruaj khov thiab txhim khu kev qha hauv effluent zoo, thiab tsis tshua muaj nqi khiav lag luam.

Nqus electroplating khoom Zinc nyob rau hauv yas electroplating thiab metalworking kev lag luam dej khib nyiab

Lub hauv paus ntsiab lus ntawm zinc nyob rau hauv yas electroplating thiab metalworking khib nyiab yog electroplating los yog pickling dragging kua. Cov kab mob kis tau rov qab mus rau cov dej yaug los ntawm cov txheej txheem hlau yaug. Cov dej khib nyiab muaj ntau ntawm hydrochloric acid, hnyav hlau ions xws li zinc thiab tooj liab, thiab cov organic brighteners, thiab lwm yam, uas muaj cov tshuaj lom neeg heev, thiab qee qhov kuj muaj cov tshuaj lom neeg uas muaj carcinogenic, teratogenic, thiab mutagenic, uas tsis tshua muaj tshwm sim. tsim kev puas tsuaj rau tib neeg.

Ua hauj lwm hauv paus ntsiab lus ntawm lub tshuab nqus tsev vacuum electroplating khoom

1. Qhov chaw nres nkoj ntawm lub twj tso kua mis ntxhib (xws li hu ua tshuab twj tso kua mis) ncaj qha tawm mus rau qhov chaw, tab sis qhov txwv (muaj peev xwm) yog me me. Ntau yam (1E0 ~ atmospheric siab).

2. Lub twj tso kua mis hauv paus yuav tsum tau txuas nrog lub tshuab twj tso kua mis ntawm qhov chaw nres nkoj, nrog rau kev ua haujlwm ntau (5E-2~ 1000Pa). Yog hais tias lub tshuab nqus tsev kawm ntawv siab tshaj qhov kev ua haujlwm ntau (1000Pa) tsis ncav cuag, khiav lub twj tso kua mis hauv paus kom lub load loj thiab hlawv tawm hauv paus twj tso kua mis.

3. Molecular twj tso kua mis (roj diffusion twj tso kua mis): Siv lub diffusion twj tso kua mis ua piv txwv, kev ua hauj lwm ntau yam (1E-7Pa~5pa), lub tso zis chaw nres nkoj siab tshaj 5Pa (ib txwm 9E-1Pa ), qis dua lub diffusion twj tsis ua haujlwm, kuj Oxidizes diffusion twj roj.

4. Lub roughing valve yog qhib lub roughing valve tom qab lub tshuab twj tso kua mis qhib.

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