Magani ga matsalolin gama gari tare da tef ɗin jan karfe

1. Maganin discoloration nakaset tagulla

(1) Sarrafa yawan adadin maganin acid yayin tsinke.A cikin yanayin wanke Layer oxide a saman ɗigon jan ƙarfe da aka ruɗe, yawan ƙwayar acid ba ya da ma'ana.Akasin haka, idan maida hankali ya yi yawa, ragowar acid ɗin da ke haɗe saman tagullar jan ƙarfe ba abu ne mai sauƙi don wankewa ba, kuma gurɓataccen ruwan tsaftacewa yana ƙaruwa, yana haifar da yawan adadin acid ɗin da ya wuce kima a cikin ruwan tsaftacewa, wanda ya sa tsiri na jan karfe bayan tsaftacewa ya fi dacewa da canza launin.Sabili da haka, lokacin da aka ƙayyade ƙaddamar da maganin pickling, ya kamata a bi ka'idodin masu zuwa: a kan yanayin cewa za'a iya tsabtace Layer na oxide a saman saman tagulla, ya kamata a rage yawan hankali kamar yadda zai yiwu.

(2) Sarrafa ƙaƙƙarfan ruwa mai tsafta.Sarrafa motsin ruwa mai tsabta, wato, sarrafa abubuwan da ke cikin abubuwa masu cutarwa irin su ions chloride a cikin ruwa mai tsabta.Gabaɗaya, yana da aminci don sarrafa motsin da ke ƙasa 50uS/cm.

(3) Sarrafa watsin ruwan tsaftacewa mai zafi da wakili mai wucewa.Haɓaka haɓakawar ruwan tsaftacewa mai zafi da passivator galibi yana fitowa ne daga ragowar acid ɗin da bel ɗin jan ƙarfe ya kawo.Sabili da haka, a ƙarƙashin yanayin tabbatar da ingancin ruwa mai tsabta da aka yi amfani da shi don tsaftacewa, ana sarrafa motsi, wato, ragowar acid ɗin ana sarrafa shi.Dangane da gwaje-gwajen da yawa, yana da aminci don sarrafa ikon sarrafa ruwan tsaftacewa mai zafi da passivator ya kasance ƙasa da 200uS/cm, bi da bi.

(4) Tabbatar cewa tagulla ta bushe.Ana yin ɓarna ɓarna a mashin murɗaɗɗen tanderun matashin iska, kuma ana amfani da na'urar rage humidifier da na'urar sanyaya iska a cikin na'urar rufewa ta gida don sarrafa zafi da zafin jiki yayin murɗa tsiri na jan ƙarfe a cikin kewayon kewayo.

(5) Passivation ta amfani da wakili mai wucewa.The passivating wakili amfani a cikin masana'anta ne: benzotriazole, wato BTA (kwayoyin halitta dabara: C6H5N3) a matsayin passivating wakili.Ayyuka sun tabbatar da cewa yana da dacewa, mai arziƙi kuma mai amfani.Lokacin da tef ɗin jan ƙarfe ya wuce ta hanyar maganin BTA, fim ɗin oxide a saman yana amsawa tare da BTA don samar da hadaddun mai yawa, wanda ke kare ma'aunin jan ƙarfe.

2. Maganin tagulla tsiri shear indentation

Don hana shigar da gefen yanki, yana da mahimmanci don zaɓar bambanci mai ma'ana tsakanin diamita na waje na wuka mai da'ira da zoben peeling na roba bisa ga kauri da taurin tsiri;Ƙaƙƙarfan zoben peeling na roba ya dace da buƙatun tsiri da za a yanke;Lokacin da nisa na tsiri ya yi ƙanƙanta, ya kamata a zaɓi kauri daga wuƙar madauwari da kyau kuma a ƙara faɗin zoben peeling na roba.