Gịnị mere valvụ n'elu chọrọ mkpuchi

Corrosion bụ otu n'ime ihe ndị dị mkpa na-akpata mmebi valvụ.Na nchekwa valvụ, nchedo corrosion valve bụ ihe dị mkpa iji tụlee.Maka valvụ ígwè, ọgwụgwọ mkpuchi elu bụ ụzọ nchebe kachasị mma na-efu.

1. Ọta

Mgbe a na-ekpuchi elu ígwè ahụ na agba, n'elu igwe dịpụrụ adịpụ na gburugburu ebe obibi.Enwere ike ịkpọ mmetụta nchebe a.Ma a ghaghị ịkọwapụta na akwa akwa akwa enweghị ike ịrụ ọrụ nchebe zuru oke.N'ihi na polymer dị elu nwere ụfọdụ permeability nke ikuku, mgbe mkpuchi ahụ dị oke mkpa, pores nhazi ya na-ekwe ka ụmụ irighiri mmiri na ikuku oxygen gafere n'efu.Ihe mkpuchi dị nro nwere ihe siri ike chọrọ na ọkpụrụkpụ nke mkpuchi epoxy n'elu.Enwere ike ịhụ na maka ọtụtụ mkpuchi ọnụ ahịa dị ukwuu karịa nchara nchara na-enweghị mkpuchi.Iji mee ka ihe na-adịghị mma nke mkpuchi ahụ dịkwuo mma, ihe mkpuchi mgbochi na-eme ka ọ bụrụ ihe na-emepụta ihe nkiri na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na-eme ka ikuku dị ala na ihe siri ike nke nwere nnukwu ihe nchebe, ma n'otu oge ahụ, a ghaghị ịbawanye ọnụ ọgụgụ nke mkpuchi mkpuchi. nke mere na mkpuchi ahụ nwere ike iru ụfọdụ ọkpụrụkpụ ma bụrụ nnukwu ma na-enweghị porous.

2. Mgbochi corrosion

Site n'imeghachi ihe ndị dị n'ime ime nke mkpuchi ahụ na ígwè ahụ, a na-agafe n'elu ígwè ma ọ bụ ihe nchebe na-emepụta iji meziwanye mmetụta nchebe nke mkpuchi ahụ.Valves eji maka ihe pụrụ iche chọrọ kwesịrị ịṅa ntị na nhazi nke agba iji zere mmetụta ọjọọ dị njọ.Tụkwasị na nke ahụ, valvụ nkedo nke a na-eji na pipeline mmanụ, ngwaahịa ndị na-emebi emebi na-emepụta n'okpuru ọrụ nke ụfọdụ mmanụ na ihicha ncha nke ncha ígwè nwekwara ike ịrụ ọrụ nke ihe mgbochi corrosion organic.

3. Electrochemical nchebe

Electrochemical corrosion n'okpuru ihe nkiri na-eme mgbe mkpuchi dielectric permeable batara na kọntaktị na elu igwe.Jiri ọla nwere ọrụ dị elu karịa ígwè dị ka ihe ndochi na mkpuchi, dị ka zinc.Ọ ga-arụ ọrụ nchebe nke anode àjà, na ngwaahịa corrosion nke zinc bụ isi zinc chloride na zinc carbonate, nke ga-ejupụta oghere nke akpụkpọ ahụ ma mee ka akpụkpọ ahụ sie ike, nke na-ebelata corrosion nke ukwuu ma mee ka ndụ ọrụ dịkwuo ogologo. valvụ.