Amapayipi ashiselwe Okuvunguza Nge-Underground Natural Gas Line

Amapayipi ashiselwe Okuvunguza Ngomugqa Wegesi Yemvelo Ongaphansi Komhlaba Isithombe Esifakiwe

Incazelo emfushane:

Sethula umkhiqizo wethu wakamuva - ipayipi elishiselwe elivunguzayo, eliyingxenye ebalulekile yohlelo lokuhambisa igesi yemvelo engaphansi komhlaba.

Thumela i-imeyili kithi

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amapayipi ashiselwe okuvunguzazibalulekile embonini, ikakhulukazi ekwakhiweni kwamapayipi okuhambisa uwoyela negesi.Ukucaciswa kwazo kuvezwe ngobubanzi obungaphandle nobukhulu bodonga, okubonisa ukuguquguquka kwazo nokuvumelana nezimfuneko zamapayipi ezihlukahlukene.

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
	Qaphela:
	1）0.015 ≤ Altot ＜ 0.060;N ≤ 0.012；AI—N ≥ 2—1;Cu ≤ 0.25;Ni ≤ 0.30；Cr ≤ 0.30；Mo ≤ 0.10;
	2）V+Nb+Ti ≤ 0.015%
	3) Kuwo wonke amabanga ensimbi, i-Mo ingase ≤ 0.35%, ngaphansi kwenkontileka.
	4）CEV=C+ Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/5

Inqubo yokukhiqiza ipayipi elishiselwe okuvunguzayo ihilela ukusetshenziswa kobuchwepheshe bokushisela amapayipi, ukukhiqiza amapayipi ashiselwe anezinhlangothi ezimbili noma ezimbili.Lezi zinqubo zokushisela ziqinisekisa ukuqina nokwethembeka okuphezulu kwepayipi, elikwazi ukumelana nobunzimaumzila wegesi yemvelo ongaphansi komhlabaukudluliswa.

Esikhungweni sethu sokukhiqiza, siqinisekisa ukuthi amapayipi ethu ashiselwe okuvunguzayo ahlolwa ukuqinisekiswa kwekhwalithi okuqinile ukuze kuqinisekiswe ukusebenza kwawo okuphakeme.Kubalulekile ukuthi ipayipi elishiselwe lihlangabezane nemithetho yokuhlolwa kwe-hydraulic, amandla aqinile kanye nezindawo zokugoba ezibandayo.

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Amapayipi ethu ashiselwe athandelwe aklanyelwe ukweqa izindinganiso zemboni futhi ahlangabezane nezidingo eziqinile zezinhlelo zokuhambisa igesi yemvelo engaphansi komhlaba.Zenzelwe ukumelana nezimo eziningi zemvelo, ziqinisekisa ukuqina nokuphepha kwesikhathi eside kunoma yisiphi isicelo.

Ukusetshenziswa kwamapayipi ashiselwe ku-spiral ezinhlelweni zokuthutha igesi yemvelo engaphansi komhlaba kunikeza indlela ephumelelayo nephumelelayo yokuthutha igesi yemvelo.Ukuqina kwemvelo kokwakhiwa okunama-spiral-welded kuqinisekisa ukulethwa kwegesi futhi kunciphisa ingcuphe yokuvuza noma ukugqwala ngokuhamba kwesikhathi, okunikeza ukuthula kwengqondo kubasebenzisi nabasebenzisi bokugcina.

Sizibophezele ekuhlinzekeni amakhasimende ethu ngemikhiqizo esezingeni eliphezulu kakhulu, futhi amapayipi ethu ashiselwe asontekile awubufakazi bokuzibophezela kwethu ekusebenzeni kahle kwemboni.Sibeka phambili ukuqina, ukusebenza nokuphepha kwemikhiqizo yethu, siqinisekisa ukuthi iyahlangabezana futhi idlule izimfuneko eziqinile zezinhlelo zokuhambisa igesi yemvelo engaphansi komhlaba.

Kafushane, amapayipi ethu ashiselwe ayisiyingi ayingxenye ebalulekile ekwakhiweni nasekugcinweni kwezinhlelo zokuthutha igesi yemvelo engaphansi komhlaba.Ngokwakhiwa kwalo okuphakeme, ukuthobela izindinganiso zemboni, nokuzibophezela okungantengantengi eqophelweni eliphezulu, ipayipi lethu elivunguzayo elishiselwe lilungele noma iyiphi iphrojekthi yokudlulisa igesi yemvelo.Uzakwethu ukuze sikunikeze ipayipi elishiselwe elivunguzayo elisezingeni eliphezulu ngezidingo zakho zokuhambisa ipayipi legesi yemvelo elingaphansi komhlaba.

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