Litšebelisong tsa indasteri, haholo-holo lefapheng la oli le khase, botšepehi ba liphaephe tsa tšepe bo bohlokoa haholo. E 'ngoe ea litsela tse sebetsang ka ho fetisisa tsa ho netefatsa hore liphaephe tsena li tšoarella nako e telele le ho tšoarella ke ka ho sebelisa liphaephe tse kopantsoeng tsa epoxy (FBE). Ho utloisisa maemo a FBE a ho koahela ke habohlokoa ho mang kapa mang ea amehang ho rekoeng, ho kengoa kapa ho hlokomeloeng ha liphaephe tsa metsi tsa tšepe le li-fittings.
Lipeipi tsa FBE li sebelisoa haholo-holo mefuteng e fapaneng ea lipeipi tsa tšepe, ho kenyeletsoa lipeipi tsa SSAW (Spiral Submerged Arc Welded), lipeipi tsa ERW (Electric Resistance Welded), lipeipi tsa LSAW (Longitudinal Submerged Arc Welded), lipeipi tse se nang sekoli, le lisebelisoa tse fapaneng tse kang li-elbow, li-tee le li-reducer. Morero o ka sehloohong oa lipeipi tsena ke ho fana ka tšireletso ea mafome, e leng ntho ea bohlokoa ho boloka botšepehi ba sebopeho sa phaephe nako e telele.
Ke engSekoahelo sa FBE?
Sekoahelo sa FBE ke phofo ea epoxy e sebelisoang ka thermosetting holim'a phaephe ea tšepe. Mokhoa oa ho e sebelisa o kenyelletsa ho futhumatsa phaephe mochesong o itseng ebe o sebelisa phofo ea epoxy, e qhibilihang le ho theha tlamahano e matla le bokaholimo ba phaephe ea tšepe. Mokhoa ona o etsa lesela le boreleli, le tšoarellang le le hanelang lik'hemik'hale le ka mamellang maemo a thata a tikoloho.
Bohlokoa ba maemo a ho koahela a FBE
Ho latela maemo a ho koahela a FBE ho bohlokoa ka mabaka a latelang:
1. Ho hanyetsa mafome: Mosebetsi o ka sehloohong oa ho koahela ka FBE ke ho sireletsa tšepe ho mafome. Litekanyetso tse amehang li netefatsa hore ho koahela ho sebelisoa ka nepo le ho fihlela litlhoko tse hlokahalang tsa botenya le ho khomarela ho fana ka tšireletso e ntle ka ho fetisisa.
2. Netefatso ea Boleng: Ka ho latela maemo a behiloeng, bahlahisi ba ka netefatsa boleng ba lihlahisoa tsa bona. Sena se bohlokoa haholo bakeng sa lik'hamphani tse hlahisang liphaephe tse ngata tsa tšepe, mohlala, k'hamphani e nang le thepa eohle ea li-yuan tse limilione tse 680, tlhahiso ea selemo le selemo ea lithane tse 400,000 tsa liphaephe tsa tšepe tse potolohang, le boleng ba tlhahiso ea li-yuan tse libilione tse 1.8.
3. Ho latela melao: Liindasteri tse ngata li laoloa ka thata ke thepa le lits'ebetso tseo li sebetsang ho tsona. Ho latela maemo a ho koahela a FBE ho thusa lik'hamphani ho qoba litaba tsa molao le ho boloka botumo ba tsona 'marakeng.
4. E tšoarella nako e telele ebile e tšepahala: Tšebeliso e nepahetseng ea sekoahelo sa FBE e ka eketsa bophelo ba tšebeletso ea lipeipi tsa tšepe haholo. Ho tšepahala hona ho bohlokoa bakeng sa liindasteri tse itšetlehileng ka lipeipi tsena ho tsamaisa metsi, oli le khase.
SenotloloLitekanyetso tsa ho koahela tsa FBE
Ha ho nahanoa ka lipente tsa FBE, ho bohlokoa ho utloisisa lintlha tsa bohlokoa tsa ts'ebeliso ea tsona:
- ASTM D638: Tekanyetso ena e hlalosa thepa ea ho thaepa ea polasetiki (ho kenyeletsoa le lipeiti tsa FBE) ho netefatsa hore li khona ho mamella likhatello tse hlahang ha li sebelisoa.
- ASTM D3359: Tekanyetso ena e leka ho khomarela ha sekoahelo ho substrate, e leng habohlokoa ho netefatsa hore sekoahelo sa FBE se lula se tiile ha nako e ntse e ea.
- AWWA C213: Tekanyetso ena e shebana ka ho khetheha le litlhoko tsa lipeipi tsa epoxy tse kopantsoeng le fusion bakeng sa liphaephe tsa metsi tsa tšepe, e fana ka tataiso bakeng sa ts'ebeliso, tlhahlobo le liteko.
ha re phethela
Ka bokhutšoanyane, ho utloisisa maemo a ho koahela a FBE ho bohlokoa bakeng sa mang kapa mang ea amehang indastering ea liphaephe tsa tšepe. Ka ho tsepamisa maikutlo tšireletsong ea mafome, netefatso ea boleng, le ho latela melao, maemo ana a bapala karolo ea bohlokoa ho netefatseng bophelo ba ts'ebeletso le botšepehi ba liphaephe le lisebelisoa tsa tšepe. Likhamphani tse behang bohlokoa ba ho khomarela maemo ana, joalo ka tse nang le bokhoni bo matla ba tlhahiso le thepa, li ke ke tsa ntlafatsa boleng ba sehlahisoa feela empa hape li ka matlafatsa boemo ba tsona 'marakeng o hlōlisanang. Ha tlhoko ea liphaephe tsa tšepe tse tšoarellang le tse tšepahalang e ntse e tsoela pele ho hola, bohlokoa ba liphaephe tsa FBE le maemo a ts'ebeliso ea tsona li tla tsoela pele ho hola.
Nako ea poso: Phuptjane-11-2025