Chitoliro Chozungulira Chokhala ndi Zitsulo Chopangidwa ndi Mafuta ndi Gasi

Chitoliro chachitsulo cholumikizidwa chozungulira cha mapaipi a mafuta ndi gasi Chithunzi Chowonetsedwa

Kufotokozera Kwachidule:

M'magawo omwe akusintha nthawi zonse a zomangamanga ndi uinjiniya, kupita patsogolo kwaukadaulo kukupitilizabe kufotokoza momwe mapulojekiti amachitikira. Chimodzi mwa zinthu zatsopano zodabwitsa ndi chitoliro chachitsulo cholumikizidwa ndi spiral welded. Chitolirocho chili ndi mipata pamwamba pake ndipo chimapangidwa popinda zingwe zachitsulo kukhala zozungulira kenako ndikuzilumikiza, zomwe zimapangitsa kuti ntchito yolumikiza mapaipi ikhale yolimba, yolimba komanso yosinthasintha. Chiyambi cha malondachi chikufuna kuwonetsa mawonekedwe ofunikira a chitoliro cholumikizidwa ndi spiral welded ndikuwunikira ntchito yake yosintha mumakampani amafuta ndi gasi.

Tumizani imelo kwa ife

Tsatanetsatane wa Zamalonda

Ma tag a Zamalonda

Yambitsani:

Mafotokozedwe Akatundu:

Mapaipi achitsulo ozungulira olumikizidwa, malinga ndi kapangidwe kake, amapereka zabwino zingapo zosiyana poyerekeza ndi njira zachikhalidwe zopangira mapaipi. Njira yake yapadera yopangira imatsimikizira makulidwe ofanana kutalika kwake konse, zomwe zimapangitsa kuti ikhale yolimba kwambiri kupsinjika kwamkati ndi kunja. Kulimba kumeneku kumapangitsa chitoliro cholumikizidwa mozungulira kukhala choyenera kugwiritsa ntchito potumiza mafuta ndi gasi komwe chitetezo ndi kudalirika ndizofunikira kwambiri.

Ukadaulo wowotcherera wozungulira womwe umagwiritsidwa ntchito popanga umapereka kusinthasintha kwakukulu komanso kusinthasintha, zomwe zimathandiza kuti payipiyo izitha kupirira mikhalidwe yovuta kwambiri monga kutentha kwambiri, kusiyana kwa kuthamanga kwa mpweya komanso masoka achilengedwe. Kuphatikiza apo, kapangidwe katsopanoka kamawonjezera dzimbiri ndi kukana kuwonongeka, zomwe zimathandiza kukulitsa nthawi yogwira ntchito ndikuchepetsa ndalama zokonzera.

Gome 2 Katundu Waukulu Wachilengedwe ndi Wamankhwala a Mapaipi Achitsulo (GB/T3091-2008, GB/T9711-2011 ndi API Spec 5L)
Muyezo	Kalasi yachitsulo	Zinthu Zamankhwala (%)						Katundu Wolimba						Mayeso a Charpy (V notch) Impact
		c	Mn	p	s	Si	Zina	Mphamvu Yopereka (Mpa)		Mphamvu Yokoka (Mpa)		（L0=5.65 √ S0）Mphindi Yotambasula （%）
		kuchuluka	kuchuluka	kuchuluka	kuchuluka	kuchuluka	Zina	mphindi	kuchuluka	mphindi	kuchuluka	D ≤ 168.33mm	D ＞ 168.3mm
GB/T3091 -2008	Q215A	≤ 0.15	0.25 ＜ 1.20	0.045	0.050	0.35	Kuwonjezera Nb\V\Ti motsatira GB/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		Ngati mukufuna kuwonjezera chimodzi mwa zinthu za Nb\V\Ti kapena kuphatikiza kulikonse kwa izo	175		310		27		Chimodzi kapena ziwiri mwa zizindikiro za kulimba kwa mphamvu ya impact ndi malo odulira zingasankhidwe. Pa L555, onani muyezo.
	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		Pa chitsulo cha giredi B, Nb+V ≤ 0.03%; pa chitsulo ≥ giredi B, kuwonjezera Nb kapena V kapena kuphatikiza kwawo, ndi Nb+V+Ti ≤ 0.15%	172		310		（L0=50.8mm）kuti ziwerengedwe motsatira njira iyi:e=1944·A0 .2/U0 .0 A: Dera la chitsanzo mu mm2 U: Mphamvu yochepa yokhazikika mu Mpa		Palibe mphamvu iliyonse kapena zonse ziwiri zomwe zimafunika pa mphamvu yokhudza kuuma kwa chitoliro ndi malo odulira ubweya.
	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

Kuphatikiza apo, kulumikizana kwa cholumikizira chozungulira kumatsimikizira kuti sichingatuluke madzi bwino. Chifukwa chake, mapaipi olumikizidwa mozungulira amapereka mapaipi otetezeka oyendera mafuta ndi gasi, kuchepetsa chiopsezo cha kutuluka kwa madzi ndi zoopsa zachilengedwe. Izi, kuphatikiza ndi kuyenda bwino kwa madzi komanso magwiridwe antchito abwino a hydraulic, zimapangitsa kuti ikhale yabwino kwambiri kwa makampani opanga mphamvu omwe akufuna mayankho odalirika komanso okhazikika.

Kusinthasintha kwa chitoliro cholumikizidwa ndi spiral sikungokhudza mayendedwe amafuta ndi gasi okha. Kapangidwe kake kolimba komanso kulimba kwake bwino kumalola kuti chigwiritsidwe ntchito m'njira zosiyanasiyana, kuphatikizapo madzi, njira zotulutsira madzi, komanso mapulojekiti aukadaulo. Kaya chimagwiritsidwa ntchito ponyamula madzi kapena ngati zinthu zothandizira, mapaipi achitsulo olumikizidwa ndi spiral ndi abwino kwambiri popereka mayankho odalirika komanso otsika mtengo.

Kuyambitsa mapaipi achitsulo olumikizidwa ndi waya kwasintha kwambiri njira zolumikizira mapaipi, kupangitsa kuti ntchitoyo ikhale yosavuta komanso kuchepetsa nthawi yonse ya polojekiti. Kukhazikitsa kosavuta, kuphatikiza ndi chiŵerengero champhamvu kwambiri cha kulemera, kumalola kuti ntchito yomanga ikhale yosavuta komanso yothandiza. Izi zikutanthauza kuti ndalama zogwirira ntchito, zofunikira pa zida ndi ndalama zoyendetsera polojekiti zisungidwe, komanso kuonetsetsa kuti ntchitoyo ndi yabwino komanso yokhalitsa.

Pomaliza:

Mwachidule, chitoliro cholumikizidwa ndi spiral welded chasintha kwambiri njira zolumikizira mapaipi, makamaka mumakampani opanga mafuta ndi gasi. Kuphatikiza kwake kosasunthika kwa mphamvu, kulimba, kusinthasintha komanso kugwiritsa ntchito bwino ndalama kumapangitsa kuti ikhale yoyenera makampani opanga mphamvu omwe akufuna mayankho odalirika. Ndi kukana kwamphamvu kwa kuthamanga, dzimbiri ndi kutayikira kwa madzi, mapaipi achitsulo olumikizidwa ndi spiral welded amapita kupitirira machitidwe achikhalidwe a mapaipi kuti apereke netiweki yokhazikika komanso yotetezeka yotumizira zinthu zofunika. Pamene makampani omanga akupitilizabe kulandira kupita patsogolo kwaukadaulo, chitoliro cholumikizidwa ndi spiral welded chimakhala umboni wa luntha la anthu komanso luso latsopano, zomwe zikuwonetsa tsogolo la magwiridwe antchito, chitetezo ndi kudalirika.

Yapitayi: Mapaipi Ozungulira Okhala ndi Mpweya Wachilengedwe

Ena: Kuonetsetsa Kuti Mapaipi Akuluakulu Amadzi Akugwira Ntchito Bwino Ndi Kulimba

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