pretreatment drum & kpo oku
Nkọwa ngwaahịa
- Pretreatment bụ isi usoro nke na-ekpo ọkụ-mikpu galvanizing, nke nwere isi mmetụta na àgwà nke galvanized ngwaahịa.Igwe ọkụ na-ekpo ọkụ na-ekpo ọkụ na-agụnye: nkwụsịtụ, iwepụ nchara, ịsacha mmiri, ihe enyemaka efere, usoro ihicha, wdg.
Ka ọ dị ugbu a, n'ime ụlọ ọrụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ, a na-eji tankị pickling granite eme ihe n'ọtụtụ ebe.Site na iwebata teknụzụ galvanizing dị elu na-ekpo ọkụ na Europe na America, PP (polypropylene) / PE (polyethylene) na-eji tankị na-ebuwanye ibu na ụfọdụ ahịrị mmepụta ọkụ na-ekpo ọkụ na-ekpo ọkụ.
Dabere n'ịdị njọ nke ntụpọ mmanụ n'elu workpiece, a na-ewepụ degenreasing na usoro ụfọdụ.
Igwe mmiri na-ekpo ọkụ, tankị ịsa mmiri na tankị ihe enyemaka na-abụkarị nke ihe owuwu, na ụfọdụ na-eji otu ihe dị ka tankị pickling.
Pretreatment kpo oku
Jiri ọkụ na-ekpofu ọkụ nke flue gas kpoo tankị niile a na-eme tupu ọgwụgwọ, gụnyere nbibi,picklingna plating inyeaka.Usoro ikpo ọkụ n'efu gụnyere:
1) Ntinye nke ikpo ọkụ na-ekpo ọkụ na flue;
2) A na-etinye otu setịpụ okpomọkụ nke PFA na nsọtụ abụọ nke ọdọ mmiri ọ bụla;
3) Usoro mmiri dị nro;
4) Usoro njikwa.
Okpomọkụ pretreatment nwere akụkụ atọ:
① Flue gas okpomọkụ mgbanwe
Dị ka ọnụ ọgụgụ zuru ezu nke okpomọkụ ga-ekpo ọkụ, a na-emepụta ma na-emepụta ihe ọkụ ọkụ na-ekpo ọkụ na-ekpo ọkụ, nke mere na okpomọkụ ahụ nwere ike izute ihe ndị chọrọ ikpo ọkụ.Ọ bụrụ na naanị ikpofu okpomọkụ nke flue enweghị ike izute okpomọkụ okpomọkụ ina nke tupu ọgwụgwọ, a set nke ọkụ ikuku ọkụ nwere ike tinye iji hụ na flue gas olu.
Igwe anaghị agba nchara na-ekpo ọkụ bụ igwe anaghị agba nchara ma ọ bụ ọkpọkọ 20 # enweghị nkebi nwere ihe mkpuchi infrared nano dị elu nke na-echekwa ike na-egbochi corrosion.Ike nnabata okpomoku bụ 140% nke okpomọkụ nke ihe na-ekpo ọkụ na-ekpofu ahịhịa nkịtị na-etinye.
② PFA okpomọkụ mgbanwe
③Na-ekpocha oven
Mgbe ngwaahịa ahụ nwere elu mmiri batara n'ime bat zinc, ọ ga-eme ka mmiri mmiri zinc gbawa ma gbasaa.Ya mere, mgbe enyemaka nke efere ahụ gasịrị, a ghaghị ịnakwere usoro ihicha maka akụkụ ahụ.
N'ozuzu, okpomọkụ ihicha ekwesịghị gafere 100 Celsius C ma ghara ịdị ala karịa 80 Celsius C. Ma ọ bụghị ya, akụkụ ahụ nwere ike itinye naanị n'ime olulu ihicha ruo ogologo oge, nke ga-eme ka mmiri dị nro nke zinc chloride na nnu. ihe nkiri nke plating enyemaka n'elu akụkụ.
