I-Spiral Submerged Arc Amapayipi Ashiselwe Omkhakha Wesimanje

I-Spiral Submerged Arc Amapayipi Ashiselwe Embonini Yesimanje Isithombe Esifakiwe

Incazelo emfushane:

Kuwo wonke umhlaba obanzi wezimboni zesimanje, onjiniyela nochwepheshe bahlala befuna izixazululo ezisezingeni eliphezulu ukuhlangabezana nezidingo ezahlukahlukene zengqalasizinda nezokuthutha.Phakathi kobuchwepheshe obukhona bokukhiqiza amapayipi,ipayipi elishiselwe i-arc elingaphansi elisontekile(I-SSAW) ivele njengenketho ethembekile futhi engabizi.Le bhulogi ihlose ukuveza izinzuzo ezibalulekile nezinselele ezihlobene nalobu buchwepheshe bokukhiqiza amapayipi obusha.

Thumela i-imeyili kithi

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izinzuzo zepayipi elishiselwe i-arc elihlanganisiwe elihlanganisiwe:

1. Ukwakhiwa okuphumelelayo:

Amapayipi e-SSAW afaka umklamo we-spiral weld ovumela ukukhiqizwa okuphumelelayo kanye nokunciphisa isikhathi sokukhiqiza.Lesi sici esiyingqayizivele senza kube yisinqumo sokuqala samaphrojekthi wokwakha amakhulu afana namafutha kanyeamapayipi egesi, izinhlelo zokuhambisa amanzi, nezinkundla zokumba ogwini.Inqubo ye-welding eqhubekayo iqinisekisa izinga eliphezulu lobuqotho besakhiwo, okwandisa ukuqina nokuphila kwesevisi yepayipi.

Okujwayelekile	Ibanga lensimbi	Ukwakheka kwamakhemikhali									Izakhiwo ze-tensile							I-Charpy Impact Test kanye ne-Drop Weight Tear Test
		C	Si	Mn	P	S	V	Nb	Ti		CEV4) (%)	Rt0.5 Mpa Amandla okukhiqiza		Rm Mpa Tensile Amandla		Rt0.5/Rm	(L0=5.65 √ S0)Elongation A%
		ubuningi	ubuningi	ubuningi	ubuningi	ubuningi	ubuningi	ubuningi	ubuningi	Okunye	ubuningi	imiz	ubuningi	imiz	ubuningi	ubuningi	imiz
	L245MB	0.22	0.45	1.2	0.025	0.15	0.05	0.05	0.04	1)	0.4	245	450	415	760	0.93	22	Ukuhlolwa komthelela we-Charpy: Amandla amunca umthelela womzimba wepayipi kanye nomthungo wokushisela kuzohlolwa njengoba kudingekile ngokwezinga lokuqala.Ukuze uthole imininingwane, bheka izinga lokuqala.Ukuhlolwa kokudabula kwesisindo sokwehla: Indawo yokugunda ongayikhetha
I-GB/T9711-2011 (PSL2)	L290MB	0.22	0.45	1.3	0.025	0.015	0.05	0.05	0.04	1)	0.4	290	495	415			21
	L320MB	0.22	0.45	1.3	0.025	0.015	0.05	0.05	0.04	1)	0.41	320	500	430			21
	L360MB	0.22	0.45	1.4	0.025	0.015				1)	0.41	360	530	460			20
	L390MB	0.22	0.45	1.4	0.025	0.15				1)	0.41	390	545	490			20
	I-L415MB	0.12	0.45	1.6	0.025	0.015				1)2)3	0.42	415	565	520			18
	L450MB	0.12	0.45	1.6	0.025	0.015				1)2)3	0.43	450	600	535			18
	L485MB	0.12	0.45	1.7	0.025	0.015				1)2)3	0.43	485	635	570			18
	L555MB	0.12	0.45	1.85	0.025	0.015				1)2)3	Ukuxoxisana	555	705	625	825	0.95	18

2. Amandla amahle kakhulu nokuvumelana nezimo:

Ukwakheka okuvunguzayo kwepayipi le-SSAW kwandisa amandla alo, okuvumela ukuthi imelane nezingcindezi zangaphandle nezangaphakathi.Lawa mapayipi ayakwazi ukumelana nezimo ezidlulele zomoya, okuwenza afanelekele ukusetshenziswa okungaphezulu nangaphansi komhlaba.Ukwengeza, ukuguquguquka kwamapayipi e-SSAW kuwavumela ukuba aguquleke kalula futhi afakwe ezindaweni ezihlukahlukene, kufaka phakathi indawo enzima kanye nenhlabathi engazinzile.

3. Isixazululo esingabizi kakhulu:

Izinqubo zokushisela eziqhubekayo zandisa umkhiqizo ngenkathi kunciphisa kakhulu amaphutha kanye nezindleko zokushisela.Ukwengeza, amapayipi ashiselwe i-arc angaphansi kwamanzi asongezelayo anikeza amandla aphakeme nokuqina, ehlisa izindleko zokulungisa nokulungisa phakathi nokuphila kwawo, okuwenza abe yinketho eyongayo embonini.

Izinselelo ezibhekene namapayipi ashiselwe i-arc angaphansi kwamanzi asongekile:

1. Ukulawulwa kwekhwalithi:

Ngenxa yezinqubo zokushisela eziyinkimbinkimbi ezihilelekile ekukhiqizeni amapayipi ashiselwe i-arc angaphansi kwamanzi asongekile, ukuqinisekisa izinga elilinganayo kuyinselele.Uma imingcele yokushisela ingalawulwa ngokunembile, amaphutha okushisela njengama-undercuts, ama-pores, nokuntuleka kokuhlanganiswa kuzokwenzeka.Ukunqoba le nselelo, izinyathelo eziqinile zokulawula izinga kanye nezinhlelo zokuqapha ezithuthukile ngesikhathi sokukhiqiza kubalulekile.

2. Ibanga lokukhawulelwa kobubanzi bepayipi:

Nakuba amapayipi ashiselwe i-arc angaphansi kwamanzi ayi-spiral elungele ukusetshenziswa kobubanzi obukhulu, angase angafaneleki izimboni ezidinga osayizi bamapayipi amancane.Inqubo yokukhiqiza isebenza kahle kakhulu kumapayipi amakhulukazi, okuholela ekutholakaleni okulinganiselwe kwamaphrojekthi amancane njengamapayipi okuhlala kanye nokusetshenziswa kwezimboni ezincane.Ngezidingo ezinjalo, ubuchwepheshe bokukhiqiza amapayipi obuhlukile kufanele bucatshangelwe.

3. Ukunameka okungaphezulu:

Enye inselele ebhekene nemboni yamapayipi e-SSAW iwukuqinisekisa ukumbozwa kwendawo efanele futhi eqinile ukuze kuvikelwe ekugqwaleni nasekuguge.Ukufakwa kwe-coating ezindaweni ezi-spiral kudinga imishini ethuthukisiwe kanye nobuchwepheshe ukuze kuqinisekiswe ukumbozwa nokunamathela.Ukumboza indawo efanele kubalulekile ekweluleni impilo yesevisi yamapayipi ashiselwe i-arc angaphansi kwamanzi, ikakhulukazi ezindaweni ezinokhahlo.

Ekuphetheni:

Amapayipi ashiselwe i-arc angaphansi kwe-Spiral abonakale engubuchwepheshe obuzuzisa kakhulu embonini yesimanje, enikeza ukusebenza kahle, amandla kanye nokusebenza kahle kwezindleko.I-spiral weld seam yayo eyingqayizivele ivumela ukukhiqizwa okuphumelelayo nokuqina okukhulayo, okuyenza ifanelekele amaphrojekthi amakhulu wokwakha.Kodwa-ke, ukuze kube nempumelelo eqhubekayo nokwamukelwa kabanzi kwalobu buchwepheshe bokukhiqiza, izinselele ezinjengokulawulwa kwekhwalithi, ububanzi obulinganiselwe bobubanzi, kanye nezimbobo ezingaphezulu kufanele kubhekwane nazo.Ngokunqoba lezi zinselele ngokuthuthuka kwezobuchwepheshe kanye nokusebenzisana kwemboni, ipayipi elishiselwe i-arc elingaphansi kwamanzi elinekusasa elinekusasa elithembisayo ekuguquleni nasekusimamiseni ingqalasizinda ebalulekile emhlabeni jikelele.

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