Imibhobho yoLwakhiwo yeCandelo eliHoli kunye nendima yayo kwiziseko zoncedo zombhobho weoyile

Inkcazelo emfutshane:

Ukwakhiwa kombhobho weoli amanethiwekhi omgca afuna izinto ezinamandla kunye nezithembekileyo ezinokumelana noxinzelelo oluphezulu, iimeko zemozulu ezinzima kunye neendawo ezinzima.Enye into enjalo ngumbhobho wolwakhiwo wecandelo elinomngxuma, ngokukodwa i-arc edityanisiweyo edityanisiweyo (i-SAW) eyahlukileyo (ekwaziwa ngokuba ngumbhobho we-SSAW).Kule post blog, siza kuphonononga ukubaluleka kwemibhobho yesakhiwo secandelo elingenanto kwiziseko zombhobho weoyile kunye neenzuzo zabo ezahlukeneyo.


Iinkcukacha zeMveliso

Iithegi zeMveliso

Funda malunga nemibhobho yesakhiwo yecandelo elinomngxuma:

Umgongxo-imibhobho yolwakhiwo lwecandelo, kubandakanywa i-spiral submerged arc welded pipes, isetyenziswa ngokubanzi kwishishini leoli kunye negesi ngenxa yamandla abo aphezulu kunye nokuqina.Le mibhobho yenziwa kusetyenziswa itekhnoloji ye-arc welding ephantsi kwamanzi, apho i-arc ye-welding yenziwa phantsi komgca ongqindilili we-granular flux.Inkqubo iqinisekisa ukuba i-weld seam etyhidiweyo kunye nesiseko sezinto zikhuselwe ekungcoleni kwe-atmospheric, okukhokelela kwisakhiwo sombhobho ongenamthungo kunye namandla.

IPropati yoomatshini

  IBanga loku-1 IBanga lesi-2 IBanga lesi-3
Inqaku lesivuno okanye amandla emveliso, min, Mpa(PSI) 205(30 000) 240(35 000) 310(45 000)
Amandla okuqina, min, Mpa(PSI) 345(50 000) 415(60 000) 455(66 0000)

Indima yemibhobho yolwakhiwo lwecandelo elinqamlezileyo kwimigca yemibhobho yeoli:

1. Ukwandisa uzinzo lwesakhiwo: Imibhobho yolwakhiwo yecandelo elingenamngxuma inokumelana nokuqina okuphezulu kwaye ilungele kakhulu umgama omde.umbhobhouthutho.Ulwakhiwo lwayo oluluqilima luvumela ukuhamba komthungo kunye nokunciphisa umngcipheko wokuvuza, ukuqinisekisa ukuthembeka kwenkqubo yombhobho we-oyile.

2. UKhuseleko lokuTyakala: Ishishini lepetroleum lihlala libonisa imibhobho kwizinto ezitshabalalisayo zangaphakathi nangaphandle.Imibhobho yolwakhiwo lwecandelo elingenamngxuma inokugqunywa ngezinto ezikwaziyo ukumelana nomhlwa ukunika ukhuseleko oluhlala ixesha elide kumhlwa, kwiikhemikhali kunye nezinye izinto eziwohlokayo.Oku kuvumela imibhobho yeoli ukuba isebenze ngokufanelekileyo ixesha elide.

Ukuwelda kwe-Arc ye-Helical

3. Ukuguquguquka kokuguquguquka komhlaba:Umbhobho weoyile umgcaiindlela zihlala zinqumla kumhlaba ontsonkothileyo, kuquka iintaba, iintlambo, kunye nemiqobo engaphantsi kwamanzi.Imibhobho yokwakhiwa kwecandelo elingenamgobo yenzelwe kwiindidi ezahlukeneyo kunye nobukhulu bodonga, ukuvumela ukuguquguquka ukulungelelanisa kwiindawo ezahlukeneyo ngaphandle kokuphazamisa ingqibelelo yesakhiwo.Banokumelana ngokufanelekileyo noxinzelelo lwangaphandle kunye noxinzelelo lwe-geological, ukuqinisekisa ukhuseleko kunye nokuthembeka kwenkqubo yokuthutha ioli.

4. Iindleko eziSebenzayo: Imibhobho yesakhiwo esingenanto ngokuqhelekileyo ineendleko ezingaphezulu kunezinye iinketho zemibhobho njengemibhobho yensimbi eqinile ngenxa yokusebenza kwayo okukhulu.Inkqubo ye-welding ivumela ukudala imibhobho emikhulu yobubanzi, ngaloo ndlela inciphisa imfuno yokudibanisa ngokugqithisileyo.Ukongezelela, umlinganiselo wabo wobunzima bobunzima buqinisekisa ukusetyenziswa kwezinto ezifanelekileyo kunye nokunciphisa iindleko zokuhamba.

5. Ukugcinwa lula kunye nokulungiswa: Imibhobho yesakhiwo secandelo elingenanto idla ngokuyilwa ngokulula ukugcinwa kunye nokulungiswa kwengqondo.Ukuba umonakalo okanye ukugqoka kwenzeka, imibhobho nganye ingatshintshwa ngaphandle kwesidingo sokuqhawula ngokubanzi umbhobho wonke.Le ndlela inciphisa ixesha lokuphumla kwaye inciphisa iindleko zokulungisa, iqinisekisa ukuhamba kweoli okuqhubekayo.

Ukuququmbela:

Imibhobho yolwakhiwo lwecandelo elinomgongxo, ngakumbiSSAWimibhobho, idlala indima ebalulekileyo ekwakheni uthungelwano lwemibhobho yeoli eyomeleleyo nesebenzayo.Le mibhobho ibe yeyona nto ikhethwayo kwishishini le-oyile nerhasi ngenxa yokuzinza okuphuculweyo kwesakhiwo, ukukhuselwa komhlwa, ukuguquguquka kwimihlaba eyahlukeneyo, ukusebenza kakuhle kweendleko kunye nokulula ukuyigcina.Indima ebalulekileyo abayidlalayo ekuqinisekiseni ukuthuthwa okukhuselekileyo nokuthembekileyo kweoli ayinakugqithiswa.Uphuhliso oluqhubekayo nokusetyenziswa kwemibhobho yolwakhiwo lweprofayili engumgongxo iza kuphucula nangakumbi iziseko zombhobho we-oyile ukuze kuhlangatyezwane neemfuno zamandla ezikhulayo zehlabathi lanamhlanje.


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