Kusimba kweKaviri Welded Pipe muIndasitiri Zvishandiso

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Tsanangudzo Pfupi

Munyika yepombi dzemaindasitiri, kusarudzwa kwezvinhu uye nzira dzekuvaka dzinogona kuve nemhedzisiro yakakura pakuita kwese uye hupenyu hurefu hwehurongwa. Imwe nzira yakakurumbira nokuda kwesimba rayo uye kusimba ndeye kushandisa kaviri-weld pipe. Mapombi aya akagadzirirwa kukurira kudzvanyirira kwakanyanya, tembiricha yakanyanyisa uye nehutsinye hwemamiriro ekunze, zvichiita kuti ive yakanaka kune dzakasiyana siyana dzekushandisa mumaindasitiri.

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Kaviri welded pombianovakwa ane maviri akazvimirira welds kuti aite hukama hwakasimba uye hwakavimbika pakati pezvikamu zvepombi. Iyi kaviri welding process inovimbisa kuti pombi inogona kutsungirira kushushikana uye kushungurudza kunogona kusangana panguva yekushanda, zvichiita kuti ive sarudzo yakavimbika yezvikumbiro zvakakosha uko kutadza kusiri sarudzo.

Imwe yemabhenefiti makuru epombi-welded mapombi kugona kwavo kubata yakakwirira-kumanikidza nharaunda. Iyo kaviri welding process inogadzira isina musono uye yakasimba kubatana pakati pezvikamu zvepombi, kuve nechokwadi kuti vanogona kumirisana nekumanikidza kwemukati pasina njodzi yekudonha kana kutadza. Izvi zvinoita kuti zvive zvakanaka kune zvikumbiro zvakaita semapombi emafuta uye gasi, uko kutendeseka kwepombi system kwakakosha kuchengetedzeka uye kushanda zvakanaka.

Tafura 2 Huru Muviri uye Kemikari Zvivakwa zveSimbi Pipe (GB/T3091-2008, GB/T9711-2011 uye API Spec 5L)
Standard	Steel Giredhi	Chemical Constituents (%)						Tensile Property						Charpy(V notch)Impact Test
		c	Mn	p	s	Si	Zvimwe	Goho Simba (Mpa)		Tensile Strength (Mpa)		(L0=5.65 √ S0 ）min Stretch Rate (%)
		max	max	max	max	max	Zvimwe	min	max	min	max	D ≤ 168.33mm	D ＞ 168.3mm
GB/T3091 -2008	Q215A	≤ 0.15	0.25 ＜ 1.20	0.045	0.050	0.35	Kuwedzera NbVTi zvinoenderana neGB/T1591-94	215		335		15	> 31
	Q215B	≤ 0.15	0.25-0.55	0.045	0.045	0.035		215		335		15	> 31
	Q235A	≤ 0.22	0.30 ＜ 0.65	0.045	0.050	0.035		235		375		15	>26
	Q235B	≤ 0.20	0.30 ≤ 1.80	0.045	0.045	0.035		235		375		15	>26
	Q295A	0.16	0.80-1.50	0.045	0.045	0.55		295		390		13	>23
	Q295B	0.16	0.80-1.50	0.045	0.040	0.55		295		390		13	>23
	Q345A	0.20	1.00-1.60	0.045	0.045	0.55		345		510		13	>21
	Q345B	0.20	1.00-1.60	0.045	0.040	0.55		345		510		13	>21
GB/T9711-2011 (PSL1)	L175	0.21	0.60	0.030	0.030		Optional kuwedzera imwe yeNbVTi zvinhu kana chero musanganiswa wavo	175		310		27		Imwe kana maviri eiyo toughness index yesimba rekuita uye nzvimbo yekuveura inogona kusarudzwa. Kune L555, ona chiyero.
	L210	0.22	0.90	0.030	0.030			210		335		25
	L245	0.26	1.20	0.030	0.030			245		415		21
	L290	0.26	1.30	0.030	0.030			290		415		21
	L320	0.26	1.40	0.030	0.030			320		435		20
	L360	0.26	1.40	0.030	0.030			360		460		19
	L390	0.26	1.40	0.030	0.030			390		390		18
	L415	0.26	1.40	0.030	0.030			415		520		17
	L450	0.26	1.45	0.030	0.030			450		535		17
	L485	0.26	1.65	0.030	0.030			485		570		16
API 5L (PSL 1)	A25	0.21	0.60	0.030	0.030		Yegiredhi B simbi,Nb+V ≤ 0.03%;yesimbi ≥ giredhi B,optional kuwedzera Nb kana V kana musanganiswa wavo, uye Nb+V+Ti ≤ 0.15%	172		310		(L0 = 50.8mm) ichaverengerwa maererano neformula inotevera:e=1944·A0 .2/U0 .0 A:Nzvimbo yesample mu mm2 U: Minimal yaitaurwa tensile simba muMpa		Hapana kana chero kana ese ari maviri esimba rekukanganisa uye nzvimbo yekuveura inodiwa senzira yekuomesa.
	A	0.22	0.90	0.030	0.030			207		331
	B	0.26	1.20	0.030	0.030			241		414
	X42	0.26	1.30	0.030	0.030			290		414
	X46	0.26	1.40	0.030	0.030			317		434
	X52	0.26	1.40	0.030	0.030			359		455
	X56	0.26	1.40	0.030	0.030			386		490
	X60	0.26	1.40	0.030	0.030			414		517
	X65	0.26	1.45	0.030	0.030			448		531
	X70	0.26	1.65	0.030	0.030			483		565

Mukuwedzera kune simba rayo, kaviri welded pombi inokwanisawo kumira kutonhora kwakanyanya, zvichiita kuti ive yakakodzera kune zvakasiyana-siyana zvemaindasitiri. Kunyangwe kutakura mvura inopisa kana magasi, kana kushanda munzvimbo dzine tembiricha dzinochinja, pombi yakasungwa kaviri inochengetedza kutendeseka kwayo uye kuita kwayo, kuve nechokwadi chekushanda kwakavimbika pasi pemamiriro ezvinhu akaoma.

Pamusoro pezvo, kusimba kwepombi yakasungwa kaviri kunoita kuti ive sarudzo inodhura-inoshanda kumaindasitiri ekushandisa. Kugona kwavo kushingirira kupfeka, ngura uye dzimwe nzira dzekudzikisira zvinoreva kuti dzinoda kugadziridzwa nekutsiviwa, kuderedza mutengo wese wekushandisa uye nguva yekudzikira.

Pakazara, kushandiswa kwepombi yakashongedzwa kaviri kunopa huwandu hwemabhenefiti ekushandiswa kwemaindasitiri, kusanganisira simba, kusimba uye kuvimbika. Kugona kwavo kubata kudzvinyirirwa kwakanyanya, kutonhora kwakanyanya uye kuomarara kwemamiriro ekunze kunoita kuti ive yakanaka kune dzakasiyana siyana maindasitiri kubva kumafuta uye gasi kusvika kumakemikari kugadzirisa. Nekuratidzwa kwayo kwekuita uye sevhisi rekodhi rekodhi, kaviri welded pombi chinhu chakakosha kune chero maindasitiri pombi system.