Amapayipi ahlanganisiwe e-Spiral For Underground Natural Gas Line

Amapayipi ahlanganisiwe ajikelezayo Omugqa Wegesi Yemvelo Ongaphansi Komhlaba Isithombe Esifakiwe

Incazelo emfushane:

Sethula umkhiqizo wethu wakamuva - ipayipi elihlanganisiwe eliyindilinga, eliyingxenye ebalulekile yohlelo lokudlulisa amapayipi egesi yemvelo angaphansi komhlaba.

Sithumelele i-imeyili

Imininingwane Yomkhiqizo

Amathegi Omkhiqizo

Amapayipi ahlanganisiwe ajikelezayozibalulekile embonini, ikakhulukazi ekwakhiweni kwamapayipi okudlulisa uwoyela negesi. Imininingwane yazo ivezwa ngobubanzi bangaphandle kanye nobukhulu bodonga, okubonisa ukuguquguquka kwazo kanye nokuzivumelanisa nezimo nezidingo ezahlukahlukene zamapayipi.

Okujwayelekile	Ibanga lensimbi	Ukwakheka kwamakhemikhali									Izakhiwo zokudonsa							Ukuhlolwa Komthelela weCharpy kanye nokuhlolwa kokwehla kwesisindo
		C	Si	Mn	P	S	V	Nb	Ti		CEV4)（%）	Amandla okukhiqiza e-Rt0.5 Mpa		Amandla Okuqina e-Rm Mpa		Rt0.5/ Rm	（L0=5.65 √ S0）Ukunwebeka A%
		ubuningi	ubuningi	ubuningi	ubuningi	ubuningi	ubuningi	ubuningi	ubuningi	Okunye	ubuningi	umzuzu	ubuningi	umzuzu	ubuningi	ubuningi	umzuzu
	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 okumunca umthelela womzimba wepayipi kanye nomthungo we-weld kufanele ahlolwe njengoba kudingeka emazingeni okuqala. Ukuze uthole imininingwane, bheka indinganiso yokuqala. Ukuhlolwa kokudabuka kwesisindo esiphansi: Indawo yokugunda ongayikhetha
GB/T9711-2011（PSL2）	I-L290MB	0.22	0.45	1.3	0.025	0.015	0.05	0.05	0.04	1)	0.4	290	495	415			21
	I-L320MB	0.22	0.45	1.3	0.025	0.015	0.05	0.05	0.04	1)	0.41	320	500	430			21
	I-L360MB	0.22	0.45	1.4	0.025	0.015				1)	0.41	360	530	460			20
	I-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
	I-L450MB	0.12	0.45	1.6	0.025	0.015				1)2)3	0.43	450	600	535			18
	I-L485MB	0.12	0.45	1.7	0.025	0.015				1)2)3	0.43	485	635	570			18
	I-L555MB	0.12	0.45	1.85	0.025	0.015				1)2)3	Ingxoxo	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）Kuzo zonke izinhlobo zensimbi, i-Mo ingase ibe ngu-≤ 0.35%, ngaphansi kwenkontileka.
	4）CEV=C+ Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/5

Inqubo yokukhiqiza ipayipi elihlanganisiwe elijikelezayo ihilela ukusetshenziswa kobuchwepheshe obuthuthukisiwe bokushisela amapayipi, okukhiqiza amapayipi ahlanganisiwe anohlangothi olulodwa noma oluphindwe kabili. Lezi zinqubo zokushisela ziqinisekisa ukuqina okuphezulu kanye nokuthembeka kwepayipi, elikwazi ukumelana nobunzima beumzila wegesi yemvelo ongaphansi komhlabaukudluliswa.

Esikhungweni sethu sokukhiqiza, siqinisekisa ukuthi amapayipi ethu ahlanganisiwe avivinywa ngokuqinile ukuqinisekisa ikhwalithi ukuqinisekisa amazinga awo okusebenza aphezulu. Kubalulekile ukuthi amapayipi ahlanganisiwe ahlangabezane nemithethonqubo yokuhlolwa kwe-hydraulic, amandla okunamathela kanye nezakhiwo zokugoba okubandayo.

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Amapayipi ethu ahlanganisiwe nge-spiral aklanyelwe ukudlula amazinga embonini futhi ahlangabezane nezidingo eziqinile kakhulu zezinhlelo zokudlulisa umugqa wegesi yemvelo ongaphansi komhlaba. Aklanyelwe ukumelana nezimo eziningi zemvelo, okuqinisekisa ukuqina kwesikhathi eside nokuphepha kunoma yiluphi uhlelo lokusebenza.

Ukusetshenziswa kwamapayipi ahlanganisiwe ajikelezayo ezinhlelweni zokuthutha umugqa wegesi yemvelo ongaphansi komhlaba kunikeza indlela ephumelelayo nephumelelayo yokuthutha igesi yemvelo. Ukuqina okungokwemvelo kokwakhiwa okuhlanganisiwe kuqinisekisa ukulethwa kwegesi futhi kunciphisa ingozi yokuvuza noma ukugqwala ngokuhamba kwesikhathi, okunikeza ukuthula kwengqondo kubasebenzisi kanye nabasebenzisi bokugcina.

Sizibophezele ekuhlinzekeni amakhasimende ethu ngemikhiqizo esezingeni eliphezulu, futhi amapayipi ethu ahlanganisiwe ayisivikelo ayibufakazi bokuzibophezela kwethu ekwenzeni kahle embonini. Sibeka phambili ukuqina, ukusebenza kanye nokuphepha kwemikhiqizo yethu, siqinisekisa ukuthi iyahlangabezana futhi idlula izidingo eziqinile zezinhlelo zokudlulisa umugqa wegesi yemvelo ongaphansi komhlaba.

Ngamafuphi, amapayipi ethu ahlanganisiwe ayisithako esibalulekile ekwakhiweni nasekugcinweni kwezinhlelo zokuthutha umzila wegesi yemvelo ongaphansi komhlaba. Ngokwakhiwa kwawo okuphezulu, ukuhambisana nezindinganiso zemboni, kanye nokuzibophezela okungapheli ekhwalithini, ipayipi lethu elihlanganisiwe elihlanganisiwe lilungele noma yimuphi umsebenzi wokudlulisa igesi yemvelo. Bambisana nathi ukuze unikeze ipayipi elihlanganisiwe elihlanganisiwe elisezingeni eliphezulu kakhulu lezidingo zakho zokudlulisa ipayipi legesi yemvelo engaphansi komhlaba.

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