Fasahar kariya ta Cathodic nau'in fasahar kariya ce ta lantarki, wacce ke amfani da wani waje na waje zuwa saman ruɓaɓɓen tsarin ƙarfe. Tsarin da aka karewa ya zama cathode, don haka yana hana ƙaurawar lantarki da ke faruwa a lokacin lalata ƙarfe da kuma guje wa ko rage abin da ya faru na lalata.

Ana iya raba fasahar kariyar katodiki zuwa kariyar katodik na hadaya da kariyar katodic na yanzu. Wannan fasaha ne m balagagge da kuma ko'ina amfani da lalata iko da karfe Tsarin kamar karfe bututu, ruwa famfo, igiyoyi, tashar jiragen ruwa, jiragen ruwa, tanki kasa, coolers, da dai sauransu a cikin ƙasa, teku ruwan, sabo ruwa, da kuma sinadaran kafofin watsa labarai.

Sacrificial anode cathodic kariya shine tsarin haɗa karafa biyu tare da ayyuka daban-daban da sanya su a cikin electrolyte iri ɗaya. Ƙarfe mafi yawan aiki yana asarar electrons kuma yana lalata, yayin da ƙananan ƙarfe yana samun kariya ta lantarki. Saboda lalacewar karafa masu aiki sosai a lokacin wannan tsari, ana kiran shi kariyar kariyar katodik anode.

Ana samun kariya ta cathodic na waje ta hanyar canza yuwuwar yanayin da ke kewaye ta hanyar tushen wutar lantarki ta waje, don haka yuwuwar kayan aikin da za a iya kiyaye shi ya kasance ƙasa da na yanayin kewaye, don haka ya zama cathode na duk yanayin. Ta wannan hanyar, kayan aikin da za a kare ba za su lalace ba saboda asarar na'urorin lantarki.

Ƙa'idar aiki

Yi amfani da tagulla da aluminium alloys azaman anodes da tsarin kayan aiki masu kariya kamar cathodes. Ions na jan karfe da aka samu daga electrolying jan anodes suna da guba kuma suna haifar da yanayi mai guba lokacin da aka haɗe su da ruwan teku. Electrolytic aluminum anode yana samar da Al3 +, wanda ke samar da Al (OH) 3 tare da OH - wanda cathode ya samar. Irin wannan nau'in l (OH) 3 yana ƙaddamar da ions na jan karfe da aka saki kuma yana gudana ta tsarin kariya tare da ruwan teku. Yana da ƙarfin haɓakawa kuma yana iya bazuwa cikin wuraren da ruwan teku ke gudana a hankali a hankali inda kwayoyin ruwa zasu iya zama, yana hana haɓakarsu. Lokacin da tsarin sinadari na aluminum anode na jan ƙarfe ya zama electrolyzed a cikin ruwan teku, an kafa wani babban Layer na calcium da magnesium a kan saman ciki na bututun karfe kamar cathode, kuma aluminum hydroxide colloid da aka samar ta hanyar electrolysis yana gudana da ruwan teku, yana samar da fim mai kariya a bango na ciki na bututun. A calcium magnesium shafi da aluminum hydroxide colloidal film toshe yaduwar oxygen, ƙara maida hankali polarization, da kuma jinkirta da lalata kudi, wanda zai iya cimma manufar anti fouling da anti-lalata.