Ụdị njikọ nke ọkpọkọ ọkụ: eriri, oghere, flange, wdg. Paịpụ ígwè dị n'ime na nke mpụga nke epoxy maka nchekwa ọkụ bụ ntụ ntụ resin epoxy dị arọ nke agbanwere agbanwe, nke nwere ezigbo nguzogide nchara kemịkalụ. Ọ na-edozi ọtụtụ nsogbu dịka nchara nchara elu na nhazi mgbidi dị n'ime nke ngwaahịa ndị yiri ya mgbe ejiri ya ogologo oge, iji zere mkpọchi dị n'ime na-emetụta ojiji ahụ, ka o wee melite ndụ ọrụ nke ọkpọkọ pụrụ iche na-alụ ọgụ ọkụ. N'ihi mgbakwunye nke ihe ndị na-egbochi ire ọkụ na ihe mkpuchi ahụ, a na-eme ka iguzogide okpomọkụ nke ngwaahịa ahụ ka mma ma e jiri ya tụnyere ngwaahịa ndị ọzọ yiri ya. Ya mere, ọ gaghị emetụta ojiji ahụ mgbe okpomọkụ gburugburu rịrị elu nke ukwuu. Ndụ ọrụ na arụmọrụ nke ọkpọkọ ọkụ dị n'ime na nke mpụga ka mma karịa nke ọkpọkọ galvanized. Agba ahụ bụ uhie.

Ụlọ ọrụ anyị bụ ọkachamara n'ịmepụta paịpụ ọkụ, paịpụ ígwè galvanized, paịpụ mkpuchi ntụ ntụ, paịpụ mkpuchi ntụ ntụ na paịpụ ígwè nke dị sentimita isii. Ngwa: mmiri ọkụ, ọkọnọ gas na sistemụ paịpụ njem ogologo ụfụfụ. Ogo ngwaahịa a gafere omenala ma gafere ọtụtụ ule tupu ọ pụọ n'ụlọ ọrụ mmepụta ihe. Rube isi n'ụkpụrụ mma mba na nke mba ụwa.

(1) Ọdịdị igwe dị elu. Resin Epoxy nwere njikọ siri ike na nhazi molekul dị oke arọ, yabụ njirimara igwe ya dị elu karịa resin thermosetting izugbe dịka resin phenolic na polyester na-enweghị afọ ojuju.

(2) Mkpuchi nke paịpụ ọkụ plastik a kpụchara akpụ na-eji resin epoxy eme ihe, nke nwere nrapado siri ike. Sistemụ nrapado resin epoxy nwere otu epoxy, otu hydroxyl, njikọ ether, njikọ amine, njikọ ester na otu polar ndị ọzọ nwere nnukwu ọrụ, nke na-enye ngwaahịa epoxy gwọrọ nrapado dị mma na metal, seramiiki, iko, simenti, osisi na ihe ndị ọzọ dị na polar.

(3) Mbelata obere nke ọgwụgwọ. N'ozuzu, 1% ~ 2%. Ọ bụ otu n'ime ụdị ndị nwere obere mbelata nke ọgwụgwọ n'etiti resin thermosetting (resin phenolic bụ 8% ~ 10%; resin polyester na-enweghị afọ ojuju bụ 4% ~ 6%; resin silicone bụ 4% ~ 8%). Oke mgbasa nke linear dịkwa obere, n'ozuzu ya bụ 6 × 10-5/℃. Ya mere, olu ya anaghị agbanwe mgbe ọ gwọrọ.

(4) Ọrụ aka dị mma. Epoxy resin anaghị emepụta obere ihe ndị na-agbanwe agbanwe n'oge a na-agwọ ya, yabụ enwere ike ịmepụta ya n'okpuru obere nrụgide ma ọ bụ nrụgide kọntaktị. Ọ nwere ike ijikọ aka na ọtụtụ ihe na-agwọ ya iji mepụta mkpuchi ndị na-adịghị emerụ gburugburu ebe obibi dịka mkpuchi enweghị mgbaze, mkpuchi siri ike dị elu, mkpuchi ntụ ntụ na mkpuchi mmiri.

(5) Ọ dị mma maka mkpuchi eletriki. Epoxy resin bụ resin thermosetting nke nwere ezigbo ihe mgbochi.

(6) Nkwụsi ike dị mma na iguzogide kemịkalụ dị mma. Epoxy resin na-enweghị alkali, nnu na ihe ndị ọzọ na-adịghị mma adịghị mfe imebi. Ọ bụrụhaala na echekwara ya nke ọma (emechiela ya, enweghị mmiri na okpomọkụ dị elu), oge nchekwa bụ otu afọ. Mgbe ụbọchị njedebe gasịrị, ọ bụrụ na nyocha ahụ ruru eru, enwere ike iji ya. Ngwakọta Epoxy curing nwere ezigbo nkwụsi ike kemịkalụ. Nguzogide nchara ya na alkali, acid, nnu na ihe ndị ọzọ dị mma karịa nke polyester resin na-enweghị afọ ojuju, phenolic resin na resin thermosetting ndị ọzọ. Ya mere, a na-eji epoxy resin eme ihe dị ka praịma mgbochi corrosion. N'ihi na epoxy resin a gwọrọ nwere nhazi netwọk atọ ma nwee ike iguzogide impregnation nke mmanụ, a na-ejikarị ya eme ihe n'ime mgbidi dị n'ime tankị mmanụ, tankị mmanụ na ụgbọelu.

Foto nke 1 ọkpọkọ ọkụ

Foto nke 1 ọkpọkọ ọkụ (iberibe 5)

(7) Nguzogide okpomọkụ nke ihe mejupụtara epoxy na-agbaze bụkarị 80 ~ 100 ℃. Ụdị epoxy resin ndị na-eguzogide okpomọkụ nwere ike iru 200 ℃ ma ọ bụ karịa.