Hanyar peeling na injiniya na 3PE anti-lalata shafi
A halin yanzu, a cikin aiwatar da gyaran bututun iskar gas, ana ba da shawarar hanyar peeling na 3PE anti-corrosion shafi dangane da bincike na tsarin da tsarin shafi na 3PE anti-lalata shafi [3-4].Ainihin ra'ayin peeling kashe 3PE anti-lalata shafi na karfe bututu ne don haifar da waje yanayi (kamar high zafin jiki dumama), halakar da mannewa na composite Tsarin na 3PE anti-lalata shafi, da kuma cimma manufar. na bawon bututun karfe.
A cikin shafi aiwatar da 3PE anti-lalata shafi, da karfe bututu bukatar da za a mai tsanani zuwa sama 200 ℃.Duk da haka, idan yawan zafin jiki ya yi yawa, matsaloli masu zuwa za su faru: maganin maganin maganin foda na epoxy foda yana da sauri, foda ba ta wadatar da shi ba, kuma samar da fim ba shi da kyau, wanda zai rage karfin haɗin gwiwa tare da farfajiyar. bututun karfe;kafin a rufe manne, rukunin aikin resin epoxy yana cinyewa sosai., wani ɓangare ko ma gaba ɗaya ya rasa ikon haɗin sinadarai tare da manne;da sintered epoxy foda Layer iya zama dan kadan coked, bayyana a matsayin darkening da yellowing, sakamakon unqualified shafi peeling dubawa.Saboda haka, a lokacin da waje zafin jiki ne mafi girma fiye da 200 ℃, da 3PE anti-lalata shafi ne sauki kwasfa.
Bayan an binne bututun iskar gas, bututun da aka binne yana bukatar a yanke shi kuma a gyara shi saboda bukatun aikin injiniya na birni;ko kuma a lokacin da ake bukatar gyara kwararowar iskar gas, dole ne a fara bare Layer anti-corrosion, sannan za a iya aiwatar da wasu ayyukan bututun.A halin yanzu, da tsiri aiki tsari na 3PE anti-lalata shafi na gas karfe bututu ne: yi shirye-shiryen, bututu pretreatment, zafi magani, tsiri na 3PE anti-lalata shafi, da sauran gina aikin.

① Shirye-shiryen Gina
Shirye-shiryen gine-gine sun hada da: ma'aikatan gine-gine da wuraren aiki, gyaran gaggawa na bututun mai, maganin depressurization, aikin rami na aiki, da dai sauransu The kayan aikin gine-gine don kawar da 3PE anti-lalacewa shafi yafi hada da acetylene yankan gun, lebur felu ko hannu guduma. .
② Gyaran bututun mai
Pretreatment na bututu ya ƙunshi: ƙayyade diamita na bututu, tsaftace farfajiyar bututun, da dai sauransu.
③ Maganin zafi
Yi amfani da fitilar iskar gas na acetylene don dumama bututun da aka riga aka gyara a babban zafin jiki.The harshen wuta zafin jiki na gas yankan iya isa 3000 ℃, da kuma 3PE anti-lalata shafi shafi bututun gas za a iya narke a sama 200 ℃.An lalata mannewa na sutura.
④ Peeling na 3PE anti-lalata shafi
Tun lokacin da aka lalata mannewar murfin da aka yi da zafi, ana iya amfani da kayan aikin injiniya irin su spatula mai lebur ko guduma na hannu don kwasfa murfin daga bututu.

⑤ Sauran ayyukan gini

Bayan kwasfa daga 3PE anti-lalacewa shafi, yanke da gyare-gyare na bututun, walda da kuma shafi na sabon anti-lalata rufi ya kamata a za'ayi.
Hanyar peeling na injina da ake amfani da ita a halin yanzu yana jinkirin kuma tasirin bawon yana matsakaici.Saboda ƙayyadaddun kayan aikin gine-gine, aikin aikin cirewa ba shi da yawa, wanda kai tsaye ya shafi aikin gyaran gaggawa na bututun iskar gas.Iyakokin kayan aikin gini sun fi nunawa a: a.Ƙayyadaddun yanki na harshen wuta na gas na yankan bindiga yana kaiwa zuwa wani karamin yanki na suturar da aka narkar da maganin dumama;b.Ƙayyadaddun dacewa tsakanin kayan aikin kamar lebur mai lebur ko guduma na hannu da farfajiyar waje na bututun kewayawa Jagora zuwa ƙarancin kwasfa mai inganci.
Ta hanyar kididdigar wurin ginin, lokacin peeling na 3PE anti-corrosion shafi a karkashin daban-daban diamita na bututu da girman da sashi da za a kwasfa aka samu.