I-Mechanical peeling indlela ye-3PE ye-anti-corrosion coating
Okwangoku, kwinkqubo yokugcinwa kwemibhobho yegesi, indlela ye-peeling ye-3PE ye-anti-corrosion coating indululwa ngokusekelwe kuhlalutyo lwesakhiwo kunye nenkqubo yokugubungela i-3PE ye-anti-corrosion coating [3-4]. Ingcamango esisiseko yokukrazula i-3PE anti-corrosion coating yombhobho wentsimbi kukudala iimeko zangaphandle (ezifana nokufudumeza ubushushu obuphezulu), ukutshabalalisa ukunamathela kwezakhiwo ezidibeneyo ze-3PE anti-corrosion coating, kwaye ufezekise injongo. yokuxobula umbhobho wentsimbi.
Kwinkqubo yokugquma i-3PE yokugquma i-anti-corrosion, umbhobho wentsimbi kufuneka ufudunyezwe ukuya kuma-200 ℃. Nangona kunjalo, ukuba iqondo lokushisa liphezulu kakhulu, ezi ngxaki zilandelayo ziya kwenzeka: ukuphulukiswa kwepowder epoxy ngokukhawuleza, umgubo awunyibiliki ngokwaneleyo, kwaye ukubunjwa kwefilimu kubi, okuya kunciphisa amandla okudibanisa kunye nomphezulu we-powder. umbhobho wentsimbi; Ngaphambi kokuba i-adhesive ifakwe, iqela elisebenzayo le-epoxy resin lidliwe ngokugqithiseleyo. , ngokuyinxenye okanye ngokupheleleyo ukulahlekelwa amandla okudibanisa imichiza kunye ne-adhesive; Umaleko we-epoxy powder owenziwe nge-sintered unokuphekwa kancinane, ubonakale njengomnyama kwaye ube tyheli, okukhokelela ekuhlolweni kokugutyulwa kokutyabeka okungafanelanga. Ngoko ke, xa ubushushu bangaphandle bungaphezulu kwe-200 ℃, i-3PE anti-corrosion coating kulula ukuyixobula.
Emva kokuba umbhobho werhasi ungcwatyiwe, umbhobho ongcwatyiweyo kufuneka unqunyulwe kwaye ulungiswe ngenxa yeemfuno zobunjineli bakamasipala; okanye xa ukuvuza kwegesi kufuneka kulungiswe, i-anti-corrosion layer kufuneka ihlanjululwe kuqala, kwaye ke eminye imisebenzi yepayipi inokwenziwa. Okwangoku, inkqubo yokuhluthwa kwe-3PE ye-anti-corrosion coating ye-gas steel pipes yile: ukulungiswa kolwakhiwo, ukulungiswa kwangaphambili kwemibhobho, unyango lobushushu, ukuhluthwa kwe-3PE anti-corrosion coating, kunye nomnye umsebenzi wokwakha.

① Ulungiselelo lokwakha
Amalungiselelo okwakha ikakhulu abandakanya: abasebenzi bokwakha kunye nezibonelelo ezikhoyo, ukulungiswa ngokukhawuleza kwemibhobho, unyango loxinzelelo, ukugrumba umngxuma wokusebenza, njl njl. Izixhobo zokwakha zokuxobula i-3PE anti-corrosion coating ibandakanya umpu wokusika igesi ye-acetylene, ifotsholo ecaba okanye isando sesandla. .
② Unyango lwangaphambili lwemibhobho
I-pipeline pretreatment ibandakanya ikakhulu: ukugqiba ububanzi bombhobho, ukucoca indawo yangaphandle yombhobho, njl.
③ Unyango lobushushu
Sebenzisa itotshi yegesi ye-acetylene ukutshisa umbhobho owenziwe ngaphambili kwiqondo lokushisa eliphezulu. Ubushushu belangatye lokusikwa kwerhasi bunokufikelela kwi-3000 ℃, kwaye i-3PE anti-corrosion coating efakwe kumbhobho werhasi inokunyibilika ngaphezulu kwe-200 ℃. Ukubambelela kwengubo kutshatyalaliswa.
④ Ukukhutshwa kwe-3PE anti-corrosion coating
Ekubeni ukunamathela kwengubo yokushisa ukushisa kutshatyalalisiwe, isixhobo somatshini esifana ne-spatula esicaba okanye isando sesandla singasetyenziselwa ukukhupha i-coating evela kumbhobho.

⑤ Omnye umsebenzi wokwakha

Emva kokukrazula i-3PE ye-anti-corrosion coating, ukusika kunye nokuguqulwa kombhobho, i-welding kunye ne-coating ye-anti-corrosion entsha kufuneka yenziwe.
Indlela esetyenziswayo ngoku yomatshini wokuxobula ngesandla iyacotha kwaye isiphumo sokuxobula siphakathi. Ngenxa yokulinganiselwa kwezixhobo zokwakha, ukusebenza kakuhle komsebenzi wokuqhawula akuphezulu, okuchaphazela ngokuthe ngqo ukulungiswa kwengxakeko yombhobho wegesi. Unyino lwezixhobo zokwakha lubonakaliswa ikakhulu koku: a. Ukuthintelwa kwendawo yomlilo yokutshiza yompu wokusika igesi kukhokelela kwindawo encinci yokwambathisa inyibilikiswe lunyango lokufudumeza igesi; b. Umda wokulinganisa phakathi kwezixhobo ezifana nefotsholo ezisicaba okanye iihamile zesandla kunye nomphandle wangaphandle wombhobho ojikelezileyo Ukukhokelela ekusebenzeni okuphantsi kwe-coating.
Ngokusebenzisa iinkcukacha-manani zendawo yokwakha, ixesha lokukrazula kwe-3PE ye-anti-corrosion coating phantsi kobubanzi bombhobho ohlukeneyo kunye nobukhulu becala eliza kuhluthwa lifunyenwe.