Chitoliro Chachikulu Chamadzi Chokhala ndi Kugwiritsa Ntchito Kwambiri

Chitoliro Chachikulu Chamadzi Chogwiritsidwa Ntchito Kwambiri Chithunzi Chowonetsedwa

Kufotokozera Kwachidule:

Mapaipi athu amadzi adapangidwa kuti akhale osavuta kugwira ntchito komanso osinthasintha, ndipo angagwiritsidwe ntchito m'malo osiyanasiyana, zomwe zimapangitsa kuti akhale abwino kwa makontrakitala, mizinda, ndi mafakitale.

Tumizani imelo kwa ife

Tsatanetsatane wa Zamalonda

Ma tag a Zamalonda

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 NbVTi mogwirizana ndi 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 NbVTi 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

Chiyambi cha Zamalonda

Tikubweretsa mapaipi athu akuluakulu amadzi otha kugwira ntchito bwino, opangidwa kuti akwaniritse zosowa zosiyanasiyana zamafakitale osiyanasiyana. Kampani yathu yopangidwa mu fakitale yathu yapamwamba ku Cangzhou, Hebei Province, yakhala ikutsogolera pakupanga mapaipi kuyambira pomwe idakhazikitsidwa mu 1993. Ndi malo okwana masikweya mita 350,000 ndi katundu wonse wa RMB 680 miliyoni, tikunyadira kukhala ndi antchito odzipereka a akatswiri 680.

Zathuchitoliro chachikulu cha madziZapangidwa kuti zigwire bwino ntchito zofunika kwambiri monga mapayipi amadzi ndi mitsinje ya gasi. Tikumvetsa kuti zofunikira za mapaipi awa, kuphatikizapo ma weld ndi mapangidwe a spiral seam, zimakhala ndi gawo lofunika kwambiri pakugwira ntchito kwawo komanso kudalirika kwawo. Ichi ndichifukwa chake timagwiritsa ntchito njira zapamwamba zopangira komanso njira zowongolera khalidwe kuti tiwonetsetse kuti mapaipi athu akukwaniritsa miyezo yapamwamba kwambiri yamakampani.

Mapaipi athu amadzi apangidwa kuti akhale osavuta kugwira ntchito komanso osinthasintha, ndipo angagwiritsidwe ntchito m'malo osiyanasiyana, zomwe zimapangitsa kuti akhale abwino kwa akatswiri, maboma, ndi mafakitale. Kaya mukuyika chitoliro chatsopano chamadzi kapena kukonza chingwe cha gasi chomwe chilipo, mapaipi athu amapereka kulimba ndi mphamvu zofunikira kuti akwaniritse zosowa za polojekiti iliyonse.

Ubwino wa Zamalonda

Chimodzi mwa ubwino waukulu wa mapaipi akuluakulu amadzi ndi chakuti amagwiritsidwa ntchito kwambiri. Amapangidwira kukwaniritsa zosowa za malo osiyanasiyana, zomwe zimapangitsa kuti akhale oyenera m'mizinda ndi m'midzi. Kusinthasintha kwa mapaipi awa kumalola kuti agwiritsidwe ntchito m'njira zosiyanasiyana, kuyambira pakupereka madzi m'nyumba mpaka mayendedwe a gasi m'mafakitale. Kusinthasintha kumeneku ndikofunikira kwambiri kwa maboma ndi mabizinesi omwe, chifukwa kumapangitsa kuti njira zogulira ndi kukhazikitsa zikhale zosavuta.

Kulephera kwa malonda

Kagwiridwe ka ntchito ka mapaipi amenewa kangakhudzidwe ndi zinthu monga momwe nthaka ilili, kusinthasintha kwa kutentha, ndi kuchuluka kwa mphamvu. Mwachitsanzo, mapaipi olumikizidwa akhoza kukhala osavuta kuwononga m'malo ena, pomwe mapaipi ozungulira sangakhale olimba kwambiri m'malo opanikizika kwambiri. Kumvetsetsa zofooka izi ndikofunikira kwa mainjiniya ndi okonza mapulani kuti atsimikizire kuti mtundu woyenera wa chitoliro wasankhidwa pa ntchito iliyonse yeniyeni.

Kugwiritsa ntchito

Kufunika kwa mapaipi amadzi odalirika komanso abwino kwambiri pakupanga zomangamanga zomwe zikukula nthawi zonse sikunganyalanyazidwe. Mapaipi awa amadziwika kuti ndi osavuta kugwiritsa ntchito, ndipo ndi ofunikira kwambiri pa ntchito zosiyanasiyana, kuphatikizapo mapaipi amadzi ndi gasi. Mafotokozedwe awo, monga ma weld ndi kapangidwe ka msoko wozungulira, amathandiza kwambiri pakuwonetsetsa kuti ntchito ikuyenda bwino komanso nthawi yayitali yogwirira ntchito.

Mapaipi athu akuluakulu amadzi amagwiritsidwa ntchito m'njira zosiyanasiyana, zomwe zimawonekera m'magawo osiyanasiyana. Kaya ndi njira yoperekera madzi m'matauni kapena netiweki yogawa gasi, mapaipi athu amatha kupirira zovuta zogwiritsidwa ntchito tsiku ndi tsiku komanso kusunga magwiridwe antchito abwino. Olumikizidwa ndichitoliro chozungulira cha msokoZosankha zimapereka kusinthasintha pakugwiritsa ntchito, zomwe zimathandiza kuti mayankho asinthidwe kuti akwaniritse zofunikira zinazake za polojekiti.

FAQ

Q1. Kodi chitoliro chachikulu cha madzi chimapangidwa ndi zinthu ziti?

Mapaipi amadzi nthawi zambiri amapangidwa ndi zinthu zolimba monga chitsulo, PVC ndi HDPE. Kusankha kwa zinthu kumadalira momwe zimagwiritsidwira ntchito komanso momwe chilengedwe chilili.

Q2. Kodi mapaipi olumikizidwa ndi mapaipi ozungulira ozungulira ndi chiyani?

Chitoliro cholumikizidwa chimapangidwa polumikiza m'mbali ziwiri za chitoliro pamodzi, chomwe chili ndi kapangidwe kolimba komanso kosataya madzi. Chitoliro chozungulira chimapangidwa popinda chingwe chachitsulo chathyathyathya kukhala chubu, chomwe chimakhala ndi kusinthasintha kwakukulu pakupanga ndi kugwiritsa ntchito.

Q3. Kodi ndingasankhe bwanji njira yoyenera yogwiritsira ntchito polojekiti yanga?

Ganizirani zinthu monga mtundu wa madzi omwe akuperekedwa, zomwe zimafunika kuti munthu apirire, komanso momwe zinthu zilili. Kufunsa katswiri kungakuthandizeninso kuti musankhe chubu chabwino kwambiri chomwe chikugwirizana ndi zosowa zanu.

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