Spiral Welded Steel Pipe For Underground Natural Gas Pipe

Spiral Welded Steel Pipe For Underground Gas Natural Pipe Featured Image

Tlhaloso e Khutšoanyane:

Tlhaloso ena e akaretsa likarolo tse hlano tsa phala ea tšepe ea motlakase-fusion(arc) -welded helical-seam steel.Pipe e reretsoe ho tsamaisa mokelikeli, khase kapa mouoane.

Ka mela e 13 ea tlhahiso ea liphaephe tsa tšepe tse spiral, Cangzhou Spiral Steel pipes group Co., Ltd. e khona ho etsa lipeipi tsa tšepe tsa helical-seam tse bophara ba kantle ho 219mm ho isa 3500mm le botenya ba lebota ho fihla ho 25.4mm.

Re romelle lengolo-tsoibila

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Tsebisa:

Liphaephe tsa khase ea tlhaho tse ka tlas'a lefatše li phetha karolo ea bohlokoa ho isa mohloling ona oa bohlokoa malapeng, likhoebong le indastering.Ho netefatsa polokeho le katleho ea liphaephe tsena, ho bohlokoa ho sebelisa lisebelisoa tse nepahetseng le lits'ebetso tsa welding nakong ea kaho.Re tla hlahloba bohlokoa ba spiral welded steel pipe le bohlokoa ba ho latela mekhoa e nepahetseng ea ho tjheseletsa liphaephe ha re sebetsa lepeipi ea khase ea tlhaho e ka tlas'a lefatše.

Spiral welded pipe:

Spiral welded pipe e tumme kahong ea liphaephe tsa khase ea tlhaho tse ka tlas'a lefatše ka lebaka la matla a eona a tlhaho le nako e telele.Liphaephe tsena li etsoa ka ho kobeha lesela le sa khaotseng la tšepe hore le be sebōpeho se bilikang ebe joale le o tjheseletsa haufi le moroko.Phello ke liphaephe tse nang le manonyeletso a matla, a tiisitsoeng a khonang ho mamella likhatello tse kholo tsa ka ntle le ho ikamahanya le mekhatlo ea fatše.Mohaho ona o ikhethang o etsaspiral welded steel pipee loketseng lipeipi tse ka tlas'a lefatše moo botsitso bo leng bohlokoa.

Thepa ea Mechini

	Kereiti A	Sehlopha sa B	Mophato C	Sehlopha sa D	Mophato E
Yield strength, min, Mpa(KSI)	330(48)	415(60)	415(60)	415(60)	445(66)
Matla a tsitsitseng, min, Mpa(KSI)	205(30)	240(35)	290(42)	315(46)	360(52)

Sebopeho sa Lik'hemik'hale

Element	Moetso, Max, %
Element	Kereiti A	Sehlopha sa B	Mophato C	Sehlopha sa D	Mophato E
Khabone	0.25	0.26	0.28	0.30	0.30
Manganese	1.00	1.00	1.20	1.30	1.40
Phosphorus	0.035	0.035	0.035	0.035	0.035
Sebabole	0.035	0.035	0.035	0.035	0.035

Teko ea Hydrostatic

Bolelele bo bong le bo bong ba phala bo tla lekoa ke moetsi ho khatello ea hydrostatic e tla hlahisa ka har'a lebota la liphaephe khatello ea maikutlo e seng ka tlase ho 60% ea matla a tlase a chai a boletsoeng mocheso oa kamore.Khatello e tla khethoa ke equation e latelang:
P=2St/D

Liphapang Tse Dumelloang Ka Boima le Botekanyo

Bolelele bo bong le bo bong ba phala bo tla lekanngoa ka thoko 'me boima ba eona bo ke ke ba fapana ho feta 10% ho feta kapa 5.5% tlas'a boima ba eona ba theory, e baloang ho sebelisoa bolelele ba eona le boima ba eona ka bolelele ba yuniti.
Bophara ba ka ntle bo ke ke ba fapana ho feta ± 1% ho tloha bophara bo boletsoeng bo ka ntle bo boletsoeng.
Botenya ba marako sebakeng leha e le sefe ha boa lokela ho feta 12.5% tlas'a botenya ba lebota bo boletsoeng.

Bolelele

Bolelele bo le bong: 16 ho isa ho 25ft(4.88 ho isa ho 7.62m)
Bolelele bo sa reroang habeli: ho feta 25ft ho isa ho 35ft(7.62 ho isa ho 10.67m)
Bolelele bo tšoanang: phapano e lumelletsoeng ±1in

E qetella

Lithako tsa liphaephe li tla lokisoa ka lipheletso tse hlakileng, 'me lithupa li tla tlosoa lipheletsong.
Ha pheletso ea phala e boletsoeng e le bevel e fela, angle e tla ba 30 ho isa ho 35 degrees

Mekhoa ea ho cheselletsa liphaephe:

E nepahetsengmekhoa ea ho kenya lipeipili bohlokoa bakeng sa ho tšoarella le polokeho ea lipeipi tsa khase ea tlhaho tse ka tlas'a lefatše.Mona ke lintlha tse 'maloa tsa bohlokoa tse lokelang ho nahanoa:

1. Litšoaneleho tsa Welder:Li-welders tse tšoanelehang le tse nang le boiphihlelo li lokela ho hiroa, ho etsa bonnete ba hore li na le litifikeiti tse hlokahalang le boitseanape ba ho sebetsana le lits'ebetso tse ikhethileng tse hlokahalang bakeng sa lipeipi tsa khase ea tlhaho.Sena se thusa ho fokotsa kotsi ea ho ba le bokooa ba li-welding le ho lutla ho ka bang teng.

2. Ho lokisa le ho hloekisa ka kopanelo:Ho lokisoa hantle ha lenonyeletso ke habohlokoa pele ho tjheseletsa.Sena se kenyeletsa ho tlosa litšila leha e le life, lithōle kapa litšila tse ka 'nang tsa ama hampe botšepehi ba cheseletso.Ho feta moo, ho koala liphaephe ho thusa ho theha lenonyeletso le tiileng le tiileng.

3. Mekhoa ea ho cheselletsa le liparamente:Mekhoa e nepahetseng ea li-welding le li-parameter li tlameha ho lateloa ho fumana li-welds tsa boleng bo holimo.Ts'ebetso ea welding e lokela ho nahana ka lintlha tse kang botenya ba liphaephe, boemo ba welding, sebopeho sa khase, joalo-joalo Ho khothaletsoa ho sebelisa lits'ebetso tse ikemetseng tse kang khase ea tšepe ea arc welding (GMAW) kapa welding e kentsoeng ka tlas'a metsi (SAW) ho netefatsa liphetho tse tsitsitseng le ho fokotsa batho. phoso.

4. Tlhahlobo le Teko:Tlhahlobo e phethahetseng le tlhahlobo ea weld e bohlokoa ho netefatsa boleng le bots'epehi ba eona.Theknoloji e joalo ka tlhahlobo e sa senyeheng (NDT), ho kenyeletsoa tlhahlobo ea X-ray kapa ea ultrasonic, e ka lemoha mefokolo efe kapa efe e ka behang ts'epahalo ea nako e telele ea lipeipi.

Ha re phethela:

Kaho ea liphaephe tsa khase ea tlhaho tse ka tlas'a lefatše ho sebelisoa peipi ea tšepe ea spiral welded e hloka ho tsamaellana le mekhoa e nepahetseng ea ho tjheseletsa liphaephe.Ka ho hira li-welders tse tšoanelehang, ho lokisa manonyeletso ka hloko, ho latela mekhoa e nepahetseng ea ho cheselletsa, le ho etsa tlhahlobo e phethahetseng, re ka etsa bonnete ba ho sireletseha, ho tšoarella le ho sebetsa hantle ha lipeipi tsena.Ka ho ela hloko lintlha tse ngata mabapi le ts'ebetso ea ho cheselletsa, re ka fana ka khase ea tlhaho ka kholiseho ho fihlela litlhoko tsa matla tsa sechaba sa rona ha re ntse re etelletsa pele boiketlo ba tikoloho le polokeho ea sechaba.