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 ndị a na-emebu tupu ọgwụgwọ, gụnyere mgbaze,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.
