Kedu ihe kpatara 316L igwe anaghị agba nchara mkpuchi mkpuchi mmiri nwere nguzogide corrosion ka mma?

The ihe nke igwe anaghị agba nchara mgbanwe waterproof aka uwe bụ 304,316L, ya ihe e ji mara ndị dịtụ kwụsiri ike, mgbanwe nke ígwè dịkwa nnọọ mma, ihe dị mkpa bụ na ya corrosion eguzogide dị mma, na mmiri na oyi na-atụ eke gburugburu ebe obibi, ma ọ bụ na. ebe nwere iwu mgbochi corrosion, na igwe anaghị agba nchara mmiri na-adịghị, mgbe ụfọdụ ngwọta, nwere ezigbo mgbochi mmiri na mgbochi corrosion mmetụta.

1.N'okpuru mmiri

Na na mmiri na-asachapụ ọdọ mmiri nke mmiri osisi, igwe anaghị agba nchara mgbanwe waterproof aka uwe na-eji igwe anaghị agba nchara waterproof aka uwe, ya bụ, n'ihi na ọ dịghị mfe nchara, ma ọ bụ ọnụego nke nchara bụ dịtụ nwayọọ.N'ime usoro ihe owuwu dum nke ọrụ a kapịrị ọnụ, ọ bụrụ na a naghị edozi ọkpọkọ mgbidi ahụ na mkpuchi igwe anaghị agba nchara, nke mere na mgbidi na pipeline na-emetụ ozugbo, nke mbụ, ike nke mgbidi dị n'elu pipeline dị nnọọ mfe. , na-akpata nrụrụ ma ọ bụ ọbụna nkwụsị nke pipeline, nke abụọ, nkwụsị nke pipeline na-eduga ná ntọhapụ nke mgbidi ahụ ga-emekwa ka ọ bụrụ nnukwu mmebi nke pipeline.Ọ naghị esiri ike ịhụ ka ịdị mma nke mkpuchi igwe anaghị agba nchara siri dị oke egwu.

2.N'ikuku

N'elu ngwaahịa metal ga-emeghachi omume na ikuku oxygen na ikuku iji mepụta ihe nkiri oxide n'elu.Ihe dị iche bụ na ígwè oxide kpụrụ n'elu nke nkịtị carbon ígwè ga-anọgide na-oxidize, na-eme ka corrosion na-aga n'ihu na-amụba na-emecha mepụta oghere.N'elu 316L igwe anaghị agba nchara welded ọkpọkọ ga-emekwaghachi omume na oxygen, ma n'ihi na ya elu chromium ọdịnaya, corrosion iguzogide nke igwe anaghị agba nchara na-adabere na chromium.Mgbe ọdịnaya nke chromium agbakwunyere ruru 10.5, a na-eme ka nguzogide ikuku nke ikuku dị mma, na ọdịnaya chromium nke 316L igwe anaghị agba nchara welded pipe karịrị 17. Ihe kpatara ya bụ na mgbe ígwè na-ejikọta ya na chromium, ụdị nke elu oxide. a na-emegharị ka ọ dị ka ụdị a kpụrụ na metal chromium dị ọcha.Nke a oxide bara ụba nke chromium jikọtara nke ọma na-echebe elu pụọ na ikuku oxidation ọzọ.Igwe ikuku oxide a dị gịrịgịrị nke na enwere ike ịhụ nchara anụcha nke elu igwe site na ya.