Amapayipi Esakhiwo Esigaba Esingenalutho Kanye Nendima Yawo Kungqalasizinda Yepayipi Kawoyela

Incazelo emfushane:

Ukwakhiwa kwepayipi likawoyela amanethiwekhi omugqa adinga izinto eziqinile nezithembekile ezingamelana nokucindezela okuphezulu, izimo zezulu ezimbi kakhulu kanye nezindawo ezinokhahlo.Enye into enjalo ipayipi lesakhiwo lesigaba esingenalutho, ikakhulukazi okuhlukile kwe-arc welded (SAW) engaphansi kwamanzi (eyaziwa nangokuthi ipayipi le-SSAW).Kulokhu okuthunyelwe kwebhulogi, sizohlola ukubaluleka kwamapayipi esakhiwo sesigaba esingenalutho kungqalasizinda yamapayipi kawoyela kanye nezinzuzo zawo ezihlukahlukene.


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Funda ngamapayipi esakhiwo sesigaba esingenalutho:

Okungenalutho-amapayipi esakhiwo, okuhlanganisa amapayipi ashiselwe i-arc angaphansi kwe-spiral, asetshenziswa kakhulu embonini kawoyela negesi ngenxa yamandla awo aphakeme nokuqina.Lawa mapayipi akhiqizwa kusetshenziswa ubuchwepheshe bokushisela be-arc obungaphansi kwamanzi, lapho i-arc yokushisela yakheka ngaphansi kogqinsi lwe-granular flux.Inqubo iqinisekisa ukuthi umthungo we-weld oncibilikisiwe kanye nezinto eziyisisekelo zivikelekile ekungcoleni komoya, okuholela ekwakhekeni kwamapayipi angenamthungo futhi aqinile.

Impahla Mechanical

  Ibanga loku-1 Ibanga lesi-2 Ibanga lesi-3
Yield Point or yield strength, min, Mpa(PSI) 205(30 000) 240(35 000) 310(45 000)
Amandla e-tensile, min, Mpa(PSI) 345(50 000) 415(60 000) 455(66 0000)

Iqhaza lamapayipi esakhiwo esiphambanweni angenalutho emigqeni yamapayipi kawoyela:

1. Thuthukisa ukusimama kwesakhiwo: Amapayipi esakhiwo anesigaba esingenalutho anokumelana nokudonsa okuphezulu futhi afaneleka kakhulu ukuhamba ibanga elide.iphayiphiezokuthutha.Ukwakhiwa kwayo okuqinile kuvumela ukugeleza okungenamthungo futhi kunciphise ingozi yokuvuza, kuqinisekise ubuqotho besistimu yamapayipi kawoyela.

2. Ukuvikela Ukugqwala: Imboni ye-petroleum ivamise ukudalula amapayipi kuma-ejenti agqwalayo angaphakathi nangaphandle.Amapayipi esakhiwo anengxenye engenalutho angambozwa ngezinto ezimelana nokugqwala ukuze anikeze isivikelo esihlala isikhathi eside ekugqwaleni, kumakhemikhali nezinye izinto eziwohlokayo.Lokhu kuvumela amapayipi kawoyela ukuthi asebenze kahle isikhathi eside.

I-Helical Submerged Arc Welding

3. Ukuhlukahluka kokujwayela isimo sezwe:Ipayipi lamafutha umugqaimizila ivame ukunqamula indawo eyinkimbinkimbi, ehlanganisa izintaba, izigodi, nezithiyo ezingaphansi kwamanzi.Amapayipi esakhiwo anesigaba esingenalutho aklanywe ngobubanzi obuhlukahlukene nobukhulu bodonga, okuvumela ukuguquguquka ukuzivumelanisa nezimo ezihlukahlukene ngaphandle kokuphazamisa ubuqotho besakhiwo.Bangakwazi ukumelana ngokuphumelelayo nokucindezela kwangaphandle nokucindezeleka kwe-geological, ukuqinisekisa ukuphepha nokuthembeka kwesistimu yokuthutha uwoyela.

4. Ukusebenza Kwezindleko: Amapayipi esakhiwo anesigaba esingenalutho ngokuvamile abiza kakhulu kunezinye izinketho zamapayipi njengamapayipi ensimbi eqinile ngenxa yokusebenza kahle kwawo okukhulu kwempahla.Inqubo yokushisela ivumela ukwakhiwa kwamapayipi amakhulu obubanzi, ngaleyo ndlela kuncishiswe isidingo sokuxhuma okuhlangene ngokweqile.Ukwengeza, isilinganiso sazo samandla nesisindo siqinisekisa ukusetshenziswa kwezinto ezibonakalayo futhi kunciphisa izindleko zokuhamba.

5. Ukugcinwa nokulungisa kalula: Amapayipi esakhiwo esinezigodi ngokuvamile aklanywa ngendlela elula yokuwanakekela nokukhanda.Uma kwenzeka umonakalo noma ukuguga, amapayipi ngamanye angashintshwa ngaphandle kwesidingo sokuhlakaza kakhulu lonke ipayipi.Le ndlela inciphisa isikhathi sokuphumula futhi inciphise izindleko zokulungisa, iqinisekise ukugeleza kukawoyela okuqhubekayo.

Ekuphetheni:

Amapayipi esakhiwo angenalutho, ikakhulukaziI-SSAWamapayipi, idlala indima ebalulekile ekwakheni amanethiwekhi amapayipi kawoyela ahlala isikhathi eside futhi asebenza kahle.Lawa mapayipi asephenduke into ekhethwayo embonini kawoyela negesi ngenxa yokusimama kwesakhiwo okuthuthukisiwe, ukuvikela ukugqwala, ukujwayelana nezimo ezihlukahlukene, ukonga kwezindleko kanye nokuwalungisa kalula.Iqhaza elibalulekile abalibambayo ekuqinisekiseni ukuthuthwa kukawoyela okuphephile nokunokwethenjelwa akukwazi ukugcizelelwa.Ukuthuthukiswa okuqhubekayo kanye nokusetshenziswa kwamapayipi anesakhiwo esingenalutho kuzothuthukisa ingqalasizinda yamapayipi kawoyela ukuze kuhlangatshezwane nezidingo zamandla ezikhulayo zomhlaba wanamuhla.


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