Kuvunguza amapayipi we-arc afakwe emkhakheni wanamuhla

Kuvunguza amapayipi we-arc afakwe emkhakheni wesimanje wesithombe esifakiwe

Incazelo emfushane:

Ngaphesheya kwesimo esikhulu semboni yanamuhla, onjiniyela kanye nabaqeqeshiwe bahlala befuna izixazululo eziphakeme zokuhlangabezana nezidingo ezahlukahlukene zengqalasizinda nokuhamba. Phakathi kobuchwepheshe obuningi bokukhiqiza amapayipi,Kuvunguza ipayipi elifakwe i-arc(I-SSAW) ivele njengokukhethwa okuthembekile nokubizayo. Le bhulologi ihlose ukukhanyisela ngezinzuzo nezinselelo ezibalulekile ezihambisana naleli ngcweti yokukhiqiza amapayipi.

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Imininingwane Yomkhiqizo

Amathegi Omkhiqizo

Izinzuzo zepayipi elifakwe emanzini aphakathi nendawo

1. Ukwakhiwa okusebenzayo:

Amapayipi e-SSAW afaka umklamo we-Weld Weld ovumela ukukhiqizwa okusebenzayo nokunciphise isikhathi sokukhiqiza. Lesi sici esiyingqayizivele sikwenza kube ukukhetha kokuqala kwamaphrojekthi wokwakha amakhulu njengamafutha futhiAmapayipi wegesi, Izinhlelo zokuhambisa amanzi, kanye namapulatifomu okumba asogwini. Inqubo eqhubekayo ye-welding iqinisekisa ubuqotho obuphezulu bezinhlekelele, okwandisa ukuqina kanye nempilo yenkonzo yepayipi.

-Vamile	Ibanga lensimbi	Ukwakheka kwamakhemikhali									Izakhiwo ezi-Tensile							Ukuhlolwa kwe-Charpy Impact bese uphonsa ukuhlolwa kwesisindo
		C	Si	Mn	P	S	V	Nb	Ti		I-CEV4) (%)	I-RT0.5 MPA ithela amandla		Amandla we-RM MPA Tensile		I-RT0.5 / RM	(L0 = 5.65 √ s0) elongation a%
		umnciphikazi	umnciphikazi	umnciphikazi	umnciphikazi	umnciphikazi	umnciphikazi	umnciphikazi	umnciphikazi	-Nye nje	umnciphikazi	uku	umnciphikazi	uku	umnciphikazi	umnciphikazi	uku
	L245MB	0.22	0.45	1.2	0.025	0.15	0.05	0.05	0.04	1)	0.4	245	I-450	415	I-760	0.93	22	Ukuhlolwa komthelela we-Charpy Ngemininingwane, bheka Izinga Lokuqala. Yehlisa Isisindo Sokuhlola Isisindo: Indawo yokugunda ongayikhetha
I-GB / T971112011 (PSL2)	L290MB	0.22	0.45	1.3	0.025	0.015	0.05	0.05	0.04	1)	0.4	I-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	I-360	530	460			20
	L390MB	0.22	0.45	1.4	0.025	0.15				1)	0.41	I-390	545	490			20
	L415MB	0.12	0.45	1.6	0.025	0.015				1) 2) 3	0.42	415	I-565	520			18
	L450MB	0.12	0.45	1.6	0.025	0.015				1) 2) 3	0.43	I-450	I-600	535			18
	L485MB	0.12	0.45	1.7	0.025	0.015				1) 2) 3	0.43	485	I-635	I-570			18
	I-L555MB	0.12	0.45	I-1.85	0.025	0.015				1) 2) 3	Izingxoxo	555	I-705	625	825	0.95	18

2. Amandla amahle nokuvumelana nezimo:

Ukwakheka kwepayipi ye-SSAW kwandisa amandla aso, ukuvumela ukumelana nezingcindezi zangaphandle nezangaphakathi. Lawa mapayipi ayakwazi ukubekezelela izimo ezedlulele zomoya, ezenza zilungele ngaphezulu nangezansi kwezicelo zomhlaba. Ngokwengeziwe, ukuguquguquka kwamapayipi we-SSAW kuyabavumela ukuthi baguqulwe kalula futhi bafakwe ezindaweni ezahlukahlukene, kufaka phakathi indawo enzima nenhlabathi engazinzi.

3. Isixazululo esibizayo:

Izinqubo eziqhubekayo ze-welding zikhulisa umkhiqizo ngenkathi kunciphisa kakhulu izici nezindleko ze-welding. Ngokwengeziwe, amapayipi angenamikhawulo e-WIRCW ARCWed argred anikeza amandla aphezulu nokuqina, ukunciphisa ukulungiswa kanye nezindleko zokulungisa ngaphezulu kwempilo yazo, kubenza bakhethe umnotho embonini.

Izinselelo ezibhekene namapayipi we-arc we-welded afakwe e-arc

1. Ukulawulwa kwekhwalithi:

Ngenxa yezinqubo eziyinkimbinkimbi ze-welding ezibandakanyekile ekukhiqizeni amapayipi afakwe emanzini angenamikhawulo e-arc, aqinisekise ukuthi ikhwalithi engaguquki iyinselele. Uma amapharamitha we-welding engalawulwa ngokunembe, amaphutha okushisa anjenge-undercuts, ama-pores, kanye nokuntuleka kokuhlanganiswa kuzokwenzeka. Ukunqoba le nselelo, izindlela zokulawula ezisezingeni elifanele nezinhlelo zokuqapha ezithuthukile ngesikhathi senqubo yokukhiqiza zibalulekile.

2 Uhla lokuvinjelwa kwepayipi:

Ngenkathi amapayipi e-arld efakwe emanzini angenamikhawulo alungele izinhlelo eziningi zobubanzi, kungenzeka zingabizi izimboni ezidinga osayizi abancane bepayipi. Inqubo yokukhiqiza isebenza kahle kakhulu kumapayipi amakhulu abubanzi, okuholela ekutholakaleni okulinganiselwe kwamaphrojekthi amancane anjengepayipi lokuhlala kanye nokusetshenziswa kwezimboni ezincane. Ukuze uthole izidingo ezinjalo, kufanele kubhekwe engcupheni yokukhiqiza amapayipi.

3. I-Surface Coating:

Enye inselelo ebhekene nomkhakha we-SSAW Pipe iqinisekisa ukumboza okungaphezulu nokuqinile komhlaba okuhlala isikhathi eside ukuvikela ekubhuleni nasekugqokeni. Uhlelo lokusebenza lwe-coating on spiral surfcecees ludinga imishini esezingeni eliphakeme nobuchwepheshe bokuqinisekisa ukumbozwa nokunamathelisa. Ukuhlanganiswa okulungile okungaphezulu kubalulekile ukunweba impilo yenkonzo yepayipi elifakwe emanzini angenazithelo, ikakhulukazi ezindaweni ezinokhahlo.

Ekuphetheni:

Amapayipi we-weldeged efakwe emanzini angenamikhawulo afakazele ukuthi ungubuchwepheshe obuhle kakhulu embonini yanamuhla, enikeza ukusebenza kahle, amandla kanye nokusebenza kwezindleko. Umthungo wayo oyingqayizivele weWeld uvumela ukukhiqizwa okusebenzayo nokwanda kokuqina, okwenza kube lufanele amaphrojekthi amakhulu wokwakha. Kodwa-ke, ngempumelelo eqhubekayo kanye nokwamukelwa okugcwele kwaleli buchwepheshe bokwenziwa, izinselelo ezinjengokulawulwa kwekhwalithi, ububanzi obulinganiselwe obunqunyelwe, kanye nezimbobo ezingaphezulu zidinga ukubhekelwa. Ngokunqoba lezi zinselelo ngokuthuthuka kwezobuchwepheshe kanye nomkhakha, ipayipi elifakwe emanzini angenazithelo le-ARDC linekusasa elithembisayo ekuguquleni nasekusekeleni ingqalasizinda ebalulekile emhlabeni jikelele.

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