Ibigize hamwe nuburyo bwo kurwanya ingese ya Dacromet

Byoherejwe 2018-12-22Igisubizo cyo kuvura Dacromet nigisubizo cyamazi gikwirakwizwa kigizwe na flake ya zinc, flake ya aluminium, acide chromic acide, Ethylene glycol, okiside ya zinc, nibindi, ifite diameter ya micrometero enye kugeza kuri eshanu nubugari bwa micrometero enye kugeza kuri eshanu.Igicapo kimaze kuvurwa kimaze kwibizwa cyangwa guterwa mumazi yo kuvura, hejuru yiki gihangano cyafatishijwe mu buryo bworoshye n'amazi yatwikiriye, hanyuma ugashyuha kugeza kuri 300 ° C mu itanura rikiza kugirango ukore chromium ya hexavalent murwego rwo gutwikira Ikintu kama nka Ethylene glycol yagabanutse kugirango ibe amazi adashonga, amorphous nCrO3 na mCr2O3.Mubikorwa byayo, urupapuro rwa zinc nurupapuro rwa aluminiyumu bihujwe hamwe, kandi ibice byinshi byashyizwe hejuru yumurimo wakazi.Ipitingi, hamwe na acide ya chromic ya anhidrous muri coac ya Dacromet, itera okiside hejuru yumurimo wakazi kugirango irusheho gufatana hejuru yumurimo.
Uburyo bwo gukumira ingese zo gutwikira Dacromet muri rusange bifatwa nkibi bikurikira:
1. Kugenzura kwigomwa kurinda ifu ya zinc;
2. Acide ya chromic ikora firime yuzuye ya oxyde hejuru yumurimo wakazi utangirika byoroshye mugihe cyo gutunganya;
3. Igifuniko kigizwe nibice icumi bya zinc na aluminiyumu bikora umurimo wo gukingira, byongera abinjira kwinjira hejuru yakazi.
Inzira yarenganye.Electro-galvanizing isizwe neza na layer ya zinc hejuru yicyuma.Imiyoboro ya ruswa iroroshye gutembera hagati yinzego.Cyane cyane mubidukikije bitera umunyu, imiyoboro irinda iragabanuka cyane kugirango zinc yoroshye kuyikoresha.Ingese yera ikorwa mugihe cyambere cyo gutunganya.Cyangwa ingese itukura.Ubuvuzi bwa Dacromet bugizwe nigice cyurupapuro rwa zinc gitwikiriwe na acide chromic aside, kandi ubwikorezi buringaniye, kuburyo bufite imbaraga zo kurwanya ruswa.Amabati ya zinc atwikiriwe nuburinganire ararengerwa kugirango akore ingabo, kandi igipimo cyimvura ya zinc kiragenzurwa no mugupimisha umunyu.Byongeye kandi, kubera ko aside ya chromic ivanze muri firime yumye ya Dacromet itarimo amazi ya kirisiti, kurwanya ubushyuhe bwayo bwinshi no kurwanya ruswa nyuma yo gushyuha nabyo ni byiza.