Amandla epayipi elihlanganisiwe kabili kuzicelo zezimboni

Amandla Epayipi Elihlanganisiwe Kabili Ezicelweni Zezimboni Isithombe Esifakiwe

Incazelo emfushane:

Ezweni lamapayipi ezimboni, ukukhethwa kwezinto zokwakha kanye nezindlela zokwakha kungaba nomthelela omkhulu ekusebenzeni kahle kanye nobude besikhathi sohlelo. Enye indlela ethandwa ngamandla ayo nokuqina kwayo ukusebenzisa ipayipi elihlanganisiwe kabili. Lawa mapayipi aklanyelwe ukumelana nokucindezeleka okuphezulu, amazinga okushisa aphezulu kanye nezimo zemvelo ezinzima, okwenza afaneleke kakhulu ezinhlotsheni ezahlukahlukene zezimboni.

Sithumelele i-imeyili

Imininingwane Yomkhiqizo

Amathegi Omkhiqizo

Amapayipi ahlanganisiwe kabilizakhiwe ngama-weld amabili azimele ukuze kwakheke ukuxhumana okuqinile nokuthembekile phakathi kwezingxenye zamapayipi. Le nqubo yokushisela kabili iqinisekisa ukuthi ipayipi lingamelana nokucindezeleka kanye nobunzima obungase buhlangane ngesikhathi sokusebenza, okwenza kube ukukhetha okuthembekile kwezicelo ezibalulekile lapho ukwehluleka kungeyona inketho.

Enye yezinzuzo eziyinhloko zamapayipi ahlanganiswe kabili yikhono lawo lokusingatha izindawo ezinomfutho ophezulu. Inqubo yokushisela kabili idala ukuxhumana okuqinile nokungenamthungo phakathi kwezingxenye zamapayipi, okuqinisekisa ukuthi zingakwazi ukumelana nokucindezeleka kwangaphakathi ngaphandle kwengozi yokuvuza noma ukwehluleka. Lokhu kuzenza zilungele ukusetshenziswa njengepayipi likawoyela negesi, lapho ubuqotho besistimu yamapayipi bubalulekile ekuphepheni nasekusebenzeni kahle.

Ithebula 2 Izakhiwo Eziyinhloko Zomzimba Nezamakhemikhali Zamapayipi Ensimbi (GB/T3091-2008, GB/T9711-2011 kanye ne-API Spec 5L)
Okujwayelekile	Ibanga Lensimbi	Izakhi Zamakhemikhali (%)						Impahla Eqinile						Ukuhlolwa Komthelela we-Charpy (V notch)
		c	Mn	p	s	Si	Okunye	Amandla Okukhiqiza (i-Mpa)		Amandla Okuqina (i-Mpa)		（L0=5.65 √ S0）Isilinganiso Sokwelula esincane （%）
		ubuningi	ubuningi	ubuningi	ubuningi	ubuningi	Okunye	umzuzu	ubuningi	umzuzu	ubuningi	U-D ≤ 168.33mm	U-D ＞ 168.3mm
GB/T3091 -2008	Q215A	≤ 0.15	0.25 ＜ 1.20	0.045	0.050	0.35	Ukungeza i-NbVTi ngokuhambisana ne-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		Ukwengeza okukodwa kwezinto ze-NbVTi noma noma iyiphi inhlanganisela yazo ngokuzithandela	175		310		27		Kungakhethwa eyodwa noma ezimbili zenkomba yokuqina kwamandla omthelela kanye nendawo yokugunda. Ku-L555, bheka indinganiso.
	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
I-API 5L (PSL 1)	A25	0.21	0.60	0.030	0.030		Ngensimbi yebanga B, i-Nb+V ≤ 0.03%; ngensimbi ≥ ibanga B, ukwengeza i-Nb noma i-V noma inhlanganisela yazo ngokuzithandela, kanye ne-Nb+V+Ti ≤ 0.15%	172		310		（L0=50.8mm）ukubalwa ngokwefomula elandelayo:e=1944·A0 .2/U0 .0 A:Indawo yesampula ku-mm2 U: Amandla amancane okudonsa acacisiwe ku-Mpa		Akukho noma yikuphi noma kokubili amandla okushaya kanye nendawo yokugunda okudingekayo njengenqubo yokuqina.
	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
	I-X46	0.26	1.40	0.030	0.030			317		434
	X52	0.26	1.40	0.030	0.030			359		455
	I-X56	0.26	1.40	0.030	0.030			386		490
	I-X60	0.26	1.40	0.030	0.030			414		517
	I-X65	0.26	1.45	0.030	0.030			448		531
	X70	0.26	1.65	0.030	0.030			483		565

Ngaphezu kwamandla ayo, ipayipi elihlanganisiwe kabili liyakwazi ukumelana namazinga okushisa aphezulu, okwenza lifanelekele izinqubo ezahlukahlukene zezimboni. Kungakhathaliseki ukuthi lithutha uketshezi olushisayo noma amagesi, noma lisebenza ezindaweni ezinamazinga okushisa ashintshashintshayo, ipayipi elihlanganisiwe kabili ligcina ubuqotho besakhiwo salo nokusebenza kwalo, liqinisekisa ukusebenza okuthembekile ngaphansi kwezimo ezinzima kakhulu.

Ngaphezu kwalokho, ukuqina kwepayipi elihlanganisiwe kabili kwenza kube ukukhetha okungabizi kakhulu kwezicelo zezimboni. Amandla azo okumelana nokuguguleka, ukugqwala kanye nezinye izinhlobo zokuwohloka kusho ukuthi zidinga ukulungiswa okuncane kanye nokushintshwa, okunciphisa izindleko zokusebenza kanye nesikhathi sokungasebenzi.

Sekukonke, ukusetshenziswa kwepayipi elihlanganisiwe kabili kunikeza izinzuzo ezahlukahlukene zokusetshenziswa kwezimboni, okuhlanganisa amandla, ukuqina kanye nokuthembeka. Amandla abo okusingatha ukucindezeleka okuphezulu, amazinga okushisa aphezulu kanye nezimo zemvelo ezinzima kubenza bafaneleke kakhulu ezimbonini ezahlukahlukene kusukela ku-oyili negesi kuya ekucutshungulweni kwamakhemikhali. Ngokusebenza kwayo okuqinisekisiwe kanye nerekhodi lokuphila kwenkonzo, ipayipi elihlanganisiwe kabili liyimpahla ebalulekile kunoma yiluphi uhlelo lwamapayipi ezimbonini.