Dịka akụkụ dị oke mkpa nke sistemu ọkpọkọ ọgbara ọhụrụ, a na-eji ọkpọkọ plastik{0} kpuchiri ekpuchi n'ubi dị iche iche ma n'ime ụlọ ma na mba ụwa n'ihi ọmarịcha nrụrụ na ịdịte aka ha. Ụdị ọkpọkọ a na-eji usoro pụrụ iche iji jikọta mkpuchi plastik na isi ọkpọ ígwè, na-emepụta ọkpọkọ nke na-ejikọta ike nke ígwè na ihe nchebe nke plastik. Ụkpụrụ ọrụ ya kwesịrị nyocha ọzọ.
N'usoro, isi nke ọkpọkọ plastik - nwere mkpuchi mkpuchi bụ ihe mgbakwasị ụkwụ igwe agbagoro mbụ{1}. Mgbe emechara ọgwụgwọ elu dị ka iwepụ nchara na phosphating, a na-etinye ihe mkpuchi rọba nke ọma site na ịgbasa electrostatic ma ọ bụ mkpuchi na-ekpo ọkụ{3}}. Ihe mkpuchi a na-ahụkarị gụnyere polymers dị ka polyethylene (PE) na epoxy resin (EP), nke na-enye nkwụsi ike kemịkalụ pụrụ iche na nguzogide corrosion. Mgbe ọkpọkọ ahụ na-ebufe mmiri mmiri, mkpuchi plastik na-abanye na kọntaktị kpọmkwem, na-egbochi ihe ndị na-emerụ emerụ dị ka mmiri, oxygen, na acids na alkalis ịbanye na kọntaktị na isi ọkpọ ígwè, na-edozi nsogbu corrosion jikọtara ya na ọkpọkọ ígwè omenala.
N'ihe gbasara nrụgide - ịrụ ọrụ na-arụ ọrụ, rọba{1}} ọkpọkọ ígwè ekpuchiri na-ejigide ike dị elu nke ọkpọkọ ígwè. Ihe mkpuchi rọba na-enwekarị ọkpụrụkpụ nke 0.5-3 mm. Ọ bụ ezie na ọ dị gịrịgịrị, o zuru ezu ịmepụta ihe mgbochi, ebe isi ọkpọ ígwè na-enye nkwado nhazi nke mbụ. Ihe nhazi a jikọtara ọnụ na-enye ohere ka ọkpọkọ na-eguzogide nrụgide ọrụ dị elu mgbe ọ na-ejigide nguzogide corrosion nke plastik. Data nnwale na-egosi na ọkpọ ígwè nwere mkpuchi plastik dị elu{8} nwere ike nweta nguzogide corrosion karịrị afọ 50, ọkachasị mgbe e liri ya n'okpuru ala ma ọ bụ na gburugburu iru mmiri.
Ụkpụrụ na-arụ ọrụ nke ọkpọkọ ígwè - kpuchiri ekpuchi na-egosipụtakwa na ngbanwe okpomọkụ ya. Epoxy resin mkpuchi kwesịrị ekwesị maka ibuga mgbasa ozi ọnọdụ okpomọkụ, na-enwekarị okpomọkụ nke - 30 degrees ruo 120 degrees . Ihe mkpuchi polyethylene nwere ike iguzogide okpomọkụ dị ala ma jiri ya mee ihe na mpaghara ebe ugwu oyi. Ọkpụkpụ ígwè - rọba ekpuchiri, nke emepụtara site na iji usoro pụrụ iche, nwekwara ike iguzogide oke okpomọkụ dị mkpụmkpụ-, na-ezute ọnọdụ mgbagwoju anya ọrụ nke pipeline ụlọ ọrụ.
Site na ngwa ngwa, ụkpụrụ ọrụ nke ọkpọkọ plastik{0} mkpuchi mkpuchi na-eme ka ọ dabara adaba maka ọkọnọ mmiri na sistemu mmiri, pipeline nchebe ọkụ, na njem mmiri mmiri kemịkal. Na usoro mmiri mmiri, mkpuchi plastik na-egbochi uto nke nje bacteria n'ụzọ dị irè; N'ime ụlọ ọrụ kemịkalụ, nguzogide kemịkalụ ya na-eme ka ogologo oge{2} na arụ ọrụ siri ike nke sistemu pipeline. Site na mmepe nke owuwu akụrụngwa zuru ụwa ọnụ, ngwọta pipeline a na-arụ ọrụ na nke akụ na ụba na-enwetawanye amara na ahịa mba ụwa.
