Galvanizing na-ekpo ọkụ bụ otu n'ime ụzọ mgbochi corrosion dị mkpa a na-ejikarị eme ihe maka ọgwụgwọ elu nke nchara. N'ebe a na-emebi emebi, ọkpụkpụ nke galvanized oyi akwa nke ígwè grating nwere mmetụta kpọmkwem na nguzogide corrosion. N'okpuru otu ọnọdụ ike njikọ, ọkpụrụkpụ nke mkpuchi (ego adhesion) dị iche, na oge nkwụsị nke corrosion dịkwa iche. Zinc nwere arụmọrụ dị oke mma dị ka ihe nchebe maka isi grating ígwè. Ike electrode nke zinc dị ala karịa nke ígwè. Na ọnụnọ nke electrolyte, zinc na-aghọ anode na-efunahụ electrons na corrodes ọkachamma, mgbe ígwè grating isi na-aghọ a cathode. A na-echebe ya pụọ na corrosion site na nchebe electrochemical nke oyi akwa galvanized. N'ụzọ doro anya, ihe mkpuchi ahụ dị gịrịgịrị, nkenke oge nkwụsị nke corrosion, na oge nkwụsị nke corrosion na-abawanye ka ọkpụkpụ mkpuchi na-abawanye. Otú ọ dị, ọ bụrụ na mkpuchi mkpuchi ahụ dị oke oke, ike nke njikọ dị n'etiti mkpuchi na metal metal ga-adaba nke ọma, nke ga-ebelata oge nkwụsị nke corrosion na ọ bụghị ọnụ ahịa akụ na ụba. Ya mere, enwere uru kachasị mma maka mkpuchi mkpuchi, ọ dịghịkwa mma ịdị oke oke. Mgbe nyochachara, maka na-ekpo ọkụ galvanized ígwè grating plating akụkụ nke dị iche iche nkọwa, ezigbo mkpuchi ọkpụrụkpụ bụ kasị adabara iji nweta ogologo corrosion eguzogide oge.
Ụzọ iji melite ọkpụrụkpụ mkpuchi
1. Họrọ kacha mma galvanizing okpomọkụ
Otu esi ejikwa galvanizing okpomọkụ nke ígwè grating dị ezigbo mkpa iji hụ na melite mma mkpuchi. Mgbe afọ nke mmepụta omume, anyị kwenyere na ọ bụ ezigbo ịchịkwa na-ekpo ọkụ-mikpu galvanizing okpomọkụ na 470 ~ 480 ℃. Mgbe ọkpụrụkpụ nke akụkụ plated bụ 5mm, mkpuchi mkpuchi bụ 90 ~ 95um (okpomọkụ ikuku bụ 21 ~ 25). N'oge a, a na-anwale grating na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ site na ụzọ ọla kọpa sulfate. Ihe si na ya pụta na-egosi na: a na-emikpu ihe mkpuchi maka ihe karịrị ugboro 7 na-enweghị ikpughe ígwè matrix; na galvanized karịa 9 nchara ọdịda na-enweghị oge ọdịda. Mgbe zinc immersion okpomọkụ bụ 455 ~ 460 ℃, mkpuchi ọkpụrụkpụ agafeela ezigbo uru N'oge a, ọ bụ ezie na mkpuchi uniformity ule pụta dị mma (na-emekarị imikpu n'ihi na ihe karịrị 8 ugboro na-enweghị ikpughe na matrix), n'ihi na-abawanye na zinc mmiri viscosity, na sagging onu bụ ihe doro anya, na-ehulata, na ọbụnadị n'ime ule nke zinc 510 ~ 520 ℃, mkpuchi mkpuchi bụ ihe na-erughị uru kacha mma (na-abụkarị ihe na-erughị 60um).
2. Jikwaa ọsọ nke ebuli akụkụ nke plated. Ọsọ nke ibuli ihe ndị a na-etinye nchara nchara site na mmiri mmiri zinc nwere mmetụta dị mkpa na ọkpụrụkpụ mkpuchi. Mgbe ọsọ na-ebuli ngwa ngwa, mgbe ahụ The galvanized oyi akwa bụ oké. Ọ bụrụ na ọ na-ebuli ngwa ngwa ngwa ngwa, mkpuchi ahụ ga-adị gịrịgịrị. Ya mere, ibuli ọsọ kwesịrị ekwesị. Ọ bụrụ na ọ dị ngwa ngwa, ígwè-zinc alloy oyi akwa na akwa zinc dị ọcha ga-agbasa n'oge a na-ebuli usoro nke ígwè grating plated akụkụ, nke mere na ihe dị ọcha zinc oyi akwa fọrọ nke nta ka kpamkpam ghọọ ihe alloy oyi akwa, na a na-emepụta ihe nkiri isi awọ na-agụ, nke na-ebelata arụ ọrụ na-ehulata nke mkpuchi ahụ. Tụkwasị na nke ahụ, na mgbakwunye na njikọ na-ebuli ọsọ, ọ na-ejikọta ya na nkuku elu.
3. Jikwaa nke ọma oge imikpu zinc
A maara nke ọma na ọkpụrụkpụ nke mkpuchi grating ígwè na-emetụta kpọmkwem oge imikpu zinc. Oge nmikpu zinc na-agụnye oge a chọrọ iji wepụ ihe enyemaka nkedo n'elu akụkụ nke ihe ndị a na-emepụta ihe na oge a chọrọ iji kpoo akụkụ ndị ahụ na-ekpo ọkụ na mmiri mmiri zinc ma wepụ zinc ash n'elu mmiri mmiri mgbe zinc imikpu. N'okpuru ọnọdụ nkịtị, a na-achịkwa oge nmikpu zinc nke akụkụ ndị a na-etinye n'ime ya ruo nchikota oge mgbe mmeghachi omume dị n'etiti akụkụ ndị ahụ na-ekpo ọkụ na mmiri mmiri zinc kwụsịrị ma wepụ zinc ash n'elu mmiri mmiri. Ọ bụrụ na oge ahụ dị mkpụmkpụ, a pụghị ijide n'aka na ịdị mma nke akụkụ ndị a na-etinye nchara nchara. Ọ bụrụ na oge dị ogologo, ọkpụkpụ na brittleness nke mkpuchi ahụ ga-abawanye, a ga-ebelata nguzogide corrosion nke mkpuchi, nke ga-emetụta ndụ ọrụ nke ígwè grating plated akụkụ.
Oge nzipu: Jun-20-2024