Ngwongwo ígwè nwere uru nke ịzọpụta ígwè, nguzogide corrosion, ngwa ngwa na-ewu ngwa ngwa, dị mma ma mara mma, nke na-adịghị mma, ikuku ventilashion, ọ dịghị ihe ọkpụkpụ, enweghị nchịkọta mmiri, enweghị nchịkọta uzuzu, enweghị mmezi, na ndụ ọrụ karịa afọ 30. Ndị na-ewu ụlọ na-ejikarị ya eme ihe. A na-emeso elu nke grating ígwè, na naanị mgbe ụfọdụ ọgwụgwọ pụrụ iche nwere ike ịgbatị ndụ ọrụ ya. Ọnọdụ ojiji nke nchara nchara n'ime ụlọ ọrụ mmepụta ihe na-abụkarị oghere ikuku ma ọ bụ n'ebe ikuku na nke ọkara nwere corrosion. Ya mere, n'elu ọgwụgwọ nke ígwè grating bụ nnukwu ihe dị mkpa na ndụ ọrụ nke ígwè grating. Ndị na-esonụ na-ewebata ọtụtụ usoro ọgwụgwọ elu nke igwe nchara.
(1) Hot-mikpu galvanizing: Hot-mikpu galvanizing bụ imikpu nchara-wepụrụ nchara grating na a elu-okpomọkụ zinc mmiri mmiri a wụrụ awụ ihe dị ka 600 ℃, nke mere na a zinc oyi akwa na-agbakwunyere n'elu nke ígwè grating. Ọkpụrụkpụ nke akwa akwa zinc agaghị abụ ihe na-erughị 65um maka efere ndị dị mkpa n'okpuru 5mm, na ọ bụghị ihe na-erughị 86um maka nnukwu efere. Site na imezu ebumnuche mgbochi corrosion. Uru nke usoro a bụ ogologo ogologo oge, ogo dị elu nke mmepụta mmepụta ihe, na ịdị mma kwụsiri ike. Ya mere, a na-eji ya eme ihe n'èzí nchara grating ọrụ nke ikuku na-emebi nke ọma ma sie ike ịnọgide na-enwe. Nzọụkwụ mbụ nke galvanizing na-ekpo ọkụ na-ekpo ọkụ bụ pickling na iwepụ nchara, na-esote ihicha. Emechaghi nke usoro abụọ a ga-ahapụ ihe egwu zoro ezo maka nchebe corrosion. Ya mere, a ghaghị ijikwa ha nke ọma.
(2) Aluminom na-ekpo ọkụ na-ekpo ọkụ (zinc) mkpuchi ihe mejupụtara: Nke a bụ usoro nchebe corrosion na-adịte aka na otu mmetụta nchebe nke corrosion dị ka galvanizing na-ekpo ọkụ. Usoro a kapịrị ọnụ bụ ibu ụzọ kpụọ nchara nchara iji wepụ nchara, nke mere na elu ahụ na-ekpughe ọmarịcha ọla na roughens. Mgbe ahụ, jiri acetylene-oxygen ire ọkụ gbazee aluminom (zinc) waya na-aga n'ihu na-anapụta, na ịfụ ya n'elu nke ígwè grating na abịakọrọ ikuku na-etolite a mmanụ aṅụ aluminum (zinc) ịgba mkpuchi (ọkpụrụkpụ nke banyere 80um ~ 100um). N'ikpeazụ, jupụta capillaries na mkpuchi dị ka cyclopentane resin ma ọ bụ urethane roba agba iji mepụta mkpuchi ihe mejupụtara. Uru nke usoro a bụ na ọ nwere ike ime mgbanwe dị ukwuu na nha nke grating ígwè, na ọdịdị na nha nke nchara ígwè ahụ fọrọ nke nta ka ọ bụrụ ihe na-adịghị mma. Uru ọzọ bụ na mmetụta okpomọkụ nke usoro a bụ mpaghara na njedebe, n'ihi ya, ọ gaghị eme ka nrụrụ ọkụ. E jiri ya tụnyere galvanizing na-ekpo ọkụ nke ígwè grating, usoro a nwere ọkwa dị ala nke mmepụta ihe, na ike ọrụ nke sandblasting na aluminum (zinc) blasting dị elu. A na-emetụtakwa àgwà dị mfe site na mgbanwe ọnọdụ ọnọdụ nke onye ọrụ.
(3) Usoro mkpuchi: Nkwụsị nke corrosion nke usoro mkpuchi anaghị adị mma dịka usoro nkwụsị nke ogologo oge. Ọ nwere ọnụ ala otu oge dị ala, mana ọnụ ahịa mmezi dị elu mgbe ejiri ya n'èzí. Nzọụkwụ mbụ nke usoro mkpuchi bụ iwepụ nchara. Ihe mkpuchi dị elu na-adabere na mwepụ nke nchara nke ọma. Ya mere, ihe mkpuchi dị elu nke chọrọ n'ozuzu na-eji ájá ájá na ịgba ọkụ na-agbapụ iji wepụ nchara, kpughee nchara nke ígwè ahụ, ma wepụ ihe niile nchara na mmanụ. Nhọrọ nke mkpuchi kwesịrị iburu n'uche gburugburu gburugburu. Ihe mkpuchi dị iche iche nwere nnabata dị iche iche na ọnọdụ corrosion dị iche iche. A na-ekewakarị mkpuchi mkpuchi n'ime primers (n'ígwé) na topcoats (n'ígwé). Ndị na-ebu ụzọ nwere ọtụtụ ntụ ntụ na ihe ndị dị obere. Ihe nkiri a siri ike, nwere nrapanye siri ike na nchara, ma nwee njikọ dị mma na uwe elu. Uwe elu nwere ihe ndị ọzọ dị ala, nwere ihe nkiri na-egbuke egbuke, nwere ike ichebe primers site na corrosion ikuku, ma nwee ike iguzogide ihu igwe. Enwere nsogbu nke ndakọrịta n'etiti mkpuchi dị iche iche. Mgbe ị na-ahọrọ mkpuchi dị iche iche tupu na mgbe e mesịrị, ṅaa ntị na ndakọrịta ha. Ihe owuwu mkpuchi ahụ kwesịrị inwe okpomọkụ kwesịrị ekwesị (n'etiti 5 ~ 38 ℃) na iru mmiri (ru mmiri dị ala karịa 85%). Ebe a na-ewu ihe mkpuchi kwesịrị ịbụ obere uzuzu na ọ dịghị mkpa ka ọ dị n'elu akụkụ ahụ. E kwesịghị ikpughe mmiri ozuzo n'ime awa 4 mgbe mkpuchi gasịrị. A na-ejikarị mkpuchi ahụ eme ihe ugboro 4 ~ 5. Mkpokọta ọkpụrụkpụ nke akọrọ agba film bụ 150um maka n'èzí oru ngo na 125um maka ime ụlọ ọrụ, na-ekwe ka deviation nke 25um.
Oge nzipu: Jun-05-2024