Amandla ePipe eWelded kabini kwiZicelo zeShishini

Amandla ePipe eDityanisiweyo kabini kwiZicelo zeMizi-mveliso Umfanekiso obonisiweyo

Inkcazo emfutshane:

Kwihlabathi leepayipi zemizi-mveliso, ukukhethwa kwezinto kunye neendlela zokwakha zinokuba nefuthe elikhulu ekusebenzeni kwayo yonke kunye nobude bexesha lenkqubo. Enye indlela edumileyo ngenxa yokuqina kwayo kunye nokuqina kwayo kukusebenzisa iipayipi ezidityanisiweyo kabini. Ezi pipes zenzelwe ukumelana noxinzelelo oluphezulu, amaqondo obushushu aphezulu kunye neemeko ezinzima zendalo, nto leyo eyenza ukuba zilungele ukusetyenziswa kwemizi-mveliso eyahlukeneyo.

Thumela i-imeyile kuthi

Iinkcukacha zeMveliso

Iithegi zeMveliso

Imibhobho edibeneyo kabinizakhiwe ngee-welds ezimbini ezizimeleyo ukwenza unxibelelwano oluqinileyo noluthembekileyo phakathi kwamacandelo emibhobho. Le nkqubo yokuwelda kabini iqinisekisa ukuba umbhobho unokumelana noxinzelelo kunye nobunzima obunokuhlangatyezwana nabo ngexesha lokusebenza, nto leyo eyenza ukuba ube lukhetho oluthembekileyo kwizicelo ezibalulekileyo apho ukungaphumeleli kungelulo ukhetho.

Enye yezona nzuzo ziphambili zeepayipi ezidityaniswe kabini kukukwazi kwazo ukusingatha iimeko ezinoxinzelelo oluphezulu. Inkqubo yokudityaniswe kabini idala unxibelelwano olungenamthungo noluqinileyo phakathi kwamacandelo eepayipi, ukuqinisekisa ukuba zinokumelana noxinzelelo lwangaphakathi ngaphandle komngcipheko wokuvuza okanye ukusilela. Oku kuzenza zilungele ukusetyenziswa njengeepayipi zeoyile negesi, apho ukuthembeka kwenkqubo yepayipi kubaluleke kakhulu kukhuseleko kunye nokusebenza kakuhle.

Itheyibhile 2 Iipropati eziphambili zePhysical and Chemical zeSteel Pipes (GB/T3091-2008, GB/T9711-2011 kunye ne-API Spec 5L)
Umgangatho	Ibanga lentsimbi	Izinto ezisetyenziswa kwiikhemikhali (%)						Ipropati yokuThatha						Uvavanyo lweMpembelelo lweCharpy(V notch)
		c	Mn	p	s	Si	Okunye	Amandla emveliso (iMpa)		Amandla okuThamba (i-Mpa)		（L0=5.65 √ S0）Isantya sokuNciphisa umzuzu （%）
		ubuninzi	ubuninzi	ubuninzi	ubuninzi	ubuninzi	Okunye	umzuzu	ubuninzi	umzuzu	ubuninzi	U-D ≤ 168.33mm	U-D ＞ 168.3mm
GB/T3091 -2008	Q215A	≤ 0.15	0.25 ＜ 1.20	0.045	0.050	0.35	Ukongeza i-NbVTi ngokuhambelana 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		Ukukhetha ukongeza enye yezinto ze-NbVTi okanye nayiphi na indibaniselwano yazo	175		310		27		Inye okanye ezimbini zesalathisi sokuqina kwamandla empembelelo kunye nendawo yokucheba zinokukhethwa. Kwi-L555, jonga umgangatho.
	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		Kwintsimbi yebanga B, iNb+V ≤ 0.03%; kwintsimbi ≥ inqanaba B, ukongeza iNb okanye iV okanye indibaniselwano yazo ngokuzithandela, kunye neNb+V+Ti ≤ 0.15%	172		310		（L0=50.8mm）ukubalwa ngokwefomula elandelayo:e=1944·A0 .2/U0 .0 A:Ummandla wesampulu kwi mm2 U: Amandla amancinci okutsalwa kwe-Mpa		Akukho nanye okanye zombini okanye zombini amandla ombane kunye nendawo yokucheba efunekayo njengesiseko sokuqina.
	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

Ukongeza kumandla ayo, umbhobho odibeneyo kabini unako ukumelana nobushushu obugqithisileyo, nto leyo eyenza ukuba ufanelekele iinkqubo ezahlukeneyo zoshishino. Nokuba uthutha ulwelo olushushu okanye iigesi, okanye usebenza kwiindawo ezinamaqondo obushushu atshintshatshintshayo, umbhobho odibeneyo kabini ugcina ulwakhiwo lwawo luqinile kwaye lusebenza, ukuqinisekisa ukusebenza okuthembekileyo naphantsi kweemeko ezinzima kakhulu.

Ukongeza, ukuqina kombhobho odibeneyo kabini kwenza ukuba ube lukhetho olungabizi kakhulu kwiimveliso zoshishino. Ukukwazi kwawo ukumelana nokuguguleka, ukugqwala kunye nezinye iindlela zokonakala kuthetha ukuba azidingi ulondolozo nokutshintshwa okuncinci, nto leyo enciphisa iindleko zokusebenza kunye nexesha lokungasebenzi.

Lilonke, ukusetyenziswa kwepayipi edibeneyo kabini kunika uluhlu lweenzuzo kwizicelo zoshishino, kubandakanya amandla, ukuqina kunye nokuthembeka. Ukukwazi kwazo ukujongana noxinzelelo oluphezulu, amaqondo obushushu aphezulu kunye neemeko ezinzima zokusingqongileyo kuzenza zilungele uluhlu olubanzi lwemizi-mveliso ukusuka kwioyile negesi ukuya ekucutshungulweni kweekhemikhali. Ngenxa yokusebenza kwayo okuqinisekisiweyo kunye nerekhodi yobomi bayo, ipayipi edibeneyo kabini lixabiso elixabisekileyo kuyo nayiphi na inkqubo yepayipi zoshishino.