ʻO nā paipu kila maʻemaʻe ʻo Kina a me nā paipu no nā paila kiʻekiʻe (Carbon, Alloy) Mea Hana a me ka mea hoʻolako

ʻO nā paipu kila maʻemaʻe ʻole a me nā paipu no nā boiler kiʻekiʻe (Carbon, Alloy)

ʻO ka wehewehe pōkole:

ʻO ka pahu kila maʻemaʻeʻole i hoʻohanaʻia i loko o ka paila kīʻaha kiʻekiʻe heʻano o ka paila paila, he mau koi koʻikoʻi ma ka papa kila a me kaʻenehana i hoʻohanaʻia i ka hanaʻana i ke kila. paipu i loko o ke kiʻekiʻe mahana flue kinoea a me ka wai mahu, oxidation a me corrosion.The kila paipu i koi 'ia e kiʻekiʻe lōʻihi ikaika, kiʻekiʻe oxidation corrosion kū'ē a me ka maikai microstructure stability.High puʻe boiler paipu ua nui hoʻohana 'ia no ka hana superheater paipu, reheater paipu, conduit. paipu, paipu mahu nui a pela aku o ke ki'eki'e ki'eki'e a me ka ultra high pressure boiler.

ʻO nā mea nui: ASTM / ASMEA-1, B, T22 / T22, T2 / P2 a pēlā aku, ʻo ka mahana hana he 450 ℃-650 ℃

Uku:30% waiho, 70% L/C a i ʻole B/L kope a i ʻole 100% L/C ma ka ʻike

Min.Kauoha Nui:1 PC

Hiki ke hoolako:20000 Tons Inventory of Steel Pipe

Ka manawa o waena o ka hoʻomaka a i ka wā pau:7-14 mau lā inā ma ka waihona, 30-45 mau lā e hana ai

Hoʻopili:Nalo ʻeleʻele, bevel a me ka pāpale no kēlā me kēia paipu; Pono ka OD ma lalo o 219mm e hoʻopili i ka pūʻolo, a ʻo kēlā me kēia pūʻolo ʻaʻole iʻoi aku ma mua o 2 tons.

E hoʻouna i ka leka uila iā mākou Hoʻoiho ma ke ʻano he PDF

Huahana Huahana

Nānā nui

Kūlana: GB/T5310-2017

Pūʻulu Papa: 20G, 20MnG, 25MnG, etc

Mānoanoa: 1 - 100 mm

Ka anawaena o waho (ka puni): 10 - 1200 mm

Ka lōʻihi: Paʻa ka lōʻihi a i ʻole ka lōʻihi (6-12m)

ʻAno ʻāpana: Poe

Kahi i kumu: Kina

Palapala hōʻoia: ISO9001:2008

Alloy a ʻAʻole: Alloy

Noi: Paipu Boiler

Lapaʻau Surface: E like me ke koi o ka mea kūʻai aku

ʻenehana: Hoʻowili wela

Hoʻomaʻamaʻa wela: Annealing/normalizing

Pipe Kūikawā: Paipu Pahu

Hoʻohana: Boiler and Heat Exchanger

Hoʻāʻo: ECT/UT/Hydrau Static

Palapala noi

Hoʻohana nui ia no ka hana ʻana i ke kila kila kila kiʻekiʻe, ke kila hoʻoheheʻe ʻia a me ke kila wela-kū ʻole i nā paipu kila maʻemaʻe no ke kaomi kiʻekiʻe a ma luna o nā paipu paila mahu.

Hoʻohana nui ʻia no ke kiʻekiʻe kiʻekiʻe a me ka lawelawe wela o ka paila (Superheater tube, reheater tube, ea alakaʻi paipu, pahu mahu nui no nā boiler kiʻekiʻe a kiʻekiʻe). Ma lalo o ka hana o ke kinoea flue wela kiʻekiʻe a me ka mahu wai, e oxidize a corrode ka paipu. Pono ka paipu kila i ke kūpaʻa kiʻekiʻe, ke kūpaʻa kiʻekiʻe i ka oxidation a me ka corrosion, a me ka paʻa paʻa.

Papa Nui

Papa o ke kila kila kila kiʻekiʻe: 20g, 20mng, 25mng

Ke kila kila kila: 15mog, 20mog, 12crmog, 15crmog, 12cr2mog, 12crmovg, 12cr3movsitib, etc.

Papa o ke kila wela pale-pale: 1cr18ni9 1cr18ni11nb

Mea Kimia

Papa	ʻAno maikaʻi Papa	Waiwai Kemika
		C	Si	Mn	P	S	Nb	V	Ti	Cr	Ni	Cu	Nd	Mo	B	Als"
		aole i oi aku mamua o														aole emi mai
Q345	A	0.20	0.50	1.70	0.035	0.035				0.30	0.50	0.20	0.012	0.10	—	—
	B				0.035	0.035
	C				0.030	0.030	0.07	0.15	0.20							0.015
	D	0.18			0.030	0.025
	E				0.025	0.020
Q390	A	0.20	0.50	1.70	0.035	0.035	0.07	0.20	0.20	0.3.	0.50	0.20	0.015	0.10	—	—
	B				0.035	0.035
	C				0.030	0.030										0.015
	D				0.030	0.025
	E				0.025	0.020
Q420	A	0.20	0.50	1.70	0.035	0.035	0.07	0.2.	0.20	0.30	0.80	0.20	0.015	0.20	—	—
	B				0.035	0.035
	C				0.030	0.030										0.015
	D				0.030	0.025
	E				0.025	0.020
Q460	C	0.20	0.60	1.80	0.030	0.030	0.11	0.20	0.20	0.30	0.80	0.20	0.015	0.20	0.005	0.015
	D				0.030	0.025
	E				0.025	0.020
Q500	C	0.18	0.60	1.80	0.025	0.020	0.11	0.20	0.20	0.60	0.80	0.20	0.015	0.20	0.005	0.015
	D				0.025	0.015
	E				0.020	0.010
Q550	C	0.18	0.60	2.00	0.025	0,020	0.11	0.20	0.20	0.80	0.80	0.20	0.015	0.30	0.005	0.015
	D				0.025	0,015
	E				0.020	0.010
Q620	C	0.18	0.60	2.00	0.025	0.020	0.11	0.20	0.20	1.00	0.80	0.20	0.015	0.30	0.005	0.015
	D				0.025	0.015
	E				0.020	0.010
Koe wale no ka helu Q345A a me Q345B, pono e komo i ke kila ma kahi li'ili'i o ho'okahi o na mea huapalaoa ho'oma'ema'e Al, Nb, V, a me Ti. E like me nā mea e pono ai, hiki i ka mea hoʻolako ke hoʻohui i hoʻokahi a i ʻole nā mea ʻai i hoʻomaʻemaʻe ʻia, ʻo ka waiwai kiʻekiʻe Pono e hoʻokō i nā koi i ka papaʻaina. Ke hui pū ʻia, Nb + V + Ti <0.22% °No nā māka Q345, Q390, Q420 a me Q46O, Mo + Cr <0.30% oKe hoʻohana ʻia kēlā me kēia papa o Cr a me Ni ma ke ʻano he koena, ʻaʻole pono ka ʻike o Cr a me Ni. ʻoi aku ma mua o 0.30%; i ka wā e pono ai e hoʻohui ʻia, pono e hoʻokō i kāna ʻike i nā koi i ka papaʻaina a i ʻole e hoʻoholo ʻia e ka mea hoʻolako a me ka mea kūʻai mai ma o ke kūkākūkā ʻana. ʻaʻole e hana ʻia. Inā hoʻohui ʻia ʻo Al, Nb, V, Ti a me nā mea hoʻohui ʻē aʻe me ka hoʻoponopono nitrogen i ke kila, ʻaʻole i kaupalena ʻia ka maʻiʻo nitrogen. Pono e kuhikuhi ʻia ka maʻiʻo o ka nitrogen fixation i ka palapala hōʻoia maikaʻi. 'I ka hoʻohana ʻana i nā alumini a pau, ʻo ka nui o ka alumini ma AIt ^ 0.020% B

Waiwai Mekani

No	Papa	Waiwai Mekani
		Kuʻi MPa	Hāʻawi MPa	Hooloihi L/T	Ka hopena (J) Kūleʻa/Lele	Ka lima lima HB
1	20G	410- 550	≥ 245	24/22%	40/27	—
2	20MnG	415- 560	≥ 240	22/20%	40/27	—
3	25MnG	485- 640	≥ 275	20/18%	40/27	—
4	15MoG	450- 600	≥ 270	22/20%	40/27	—
6	12CrMoG	410- 560	≥ 205	21/19%	40/27	—
7	15CrMoG	440- 640	≥ 295	21/19%	40/27	—
8	12Cr2MoG	450- 600	≥ 280	22/20%	40/27	—
9	12Cr1MoVG	470- 640	≥ 255	21/19%	40/27	—
10	12Cr2MoWVTiB	540- 735	≥ 345	18/-%	40/-	—
11	10Cr9Mo1VNbN	≥ 585	≥ 415	20/16%	40/27	≤ 250
12	10Cr9MoW2VNbBN	≥ 620	≥ 440	20/16%	40/27	≤ 250

Hoʻomanawanui

ʻO ka mānoanoa o ka pā a me ka anawaena o waho:

Inā ʻaʻohe koi kūikawā, e hāʻawi ʻia ka paipu e like me ke anawaena o waho maʻamau a me ka mānoanoa o ka paia. E like me ka pepa ma hope

Hoʻokaʻawale ʻana	Ke ano hana	Ka nui o ka paipu			Hoʻomanawanui
					Papa maʻamau	Papa kiʻekiʻe
WH	Paipu Wela Rolled（extrude）	Anawaena waho maʻamau （D）	<57		士 0.40	±0,30
			57 〜325	SW35	±0.75%D	±0.5%D
				S>35	±1%D	±0.75%D
			>325 ~6..		+ 1%D a i ʻole + 5. E lawe i hoʻokahi liʻiliʻi一2
			>600		+ 1%D a i ʻole + 7,E lawe i hoʻokahi liʻiliʻi一2
		Mānoanoa Pāpā Mānoanoa （S）	<4.0		±\|・丨）	±0.35
			>4.0-20		+ 12.5%S	±10%S
			>20	DV219	±10%S	±7.5%S
				心219	+ 12.5%S -10%S	土10%S

WH	Paipu hoonui wela	Anawaena waho maʻamau (D)	pau loa	±1%D	±0.75%.
WH	Paipu hoonui wela	Mānoanoa Pāpā Mānoanoa (S)	pau loa	+ 20%S -10%S	+ 15%S -io%s
wc	Huki anu (rolled) Ppipe	Anawaena waho maʻamau (D)	<25.4	± 'L1j	—
			>25.4 〜4()	±0.20
			>40 〜50	\|:0.25	—
			>50 〜60	±0.30
			>60	±0.5%D
		Mānoanoa Pāpā Mānoanoa (S)	<3.0	±0.3	±0.2
		Mānoanoa Pāpā Mānoanoa (S)	>3.0	S	±7.5%S

Ka lōʻihi:

ʻO ka lōʻihi maʻamau o nā paipu kila he 4 000 mm ~ 12 000 mm. Ma hope o ke kūkākūkāʻana ma waena o ka mea hoʻolako a me ka mea kūʻai aku, a hoʻopiha i kaʻaelike, hiki ke hāʻawiʻia i nā paipu kila me ka lōʻihi ma mua o 12 000 mm a iʻole ka pōkole ma mua o I 000 mm akāʻaʻole iʻoi aku ka pōkole ma mua o 3 000 mm; ka lōʻihi pōkole ʻO ka helu o nā paipu kila ma lalo o 4,000 mm akā ʻaʻole i emi iho ma mua o 3,000 mm ʻaʻole ia ma mua o 5% o ka huina o nā paipu kila i hāʻawi ʻia.

Kaumaha lawe:
Ke hāʻawiʻia ka paipu kila e like me ke anawaena o waho a me ka mānoanoa o ka paia nominal a iʻole ke anawaena o loko a me ka mānoanoa o ka paia nominal, e hāʻawiʻia ka paipu kila e like me ke kaumaha maoli. Hiki ke hāʻawi ʻia e like me ke kaumaha theoretical.
Ke hāʻawiʻia ka paipu kila e like me ke anawaena o waho a me ka mānoanoa liʻiliʻi o ka paia, hāʻawiʻia ka paipu kila e like me ke kaumaha maoli; kūkākūkā nā ʻaoʻao hoʻolako a koi. A ua hōʻike ʻia ma ka ʻaelike. Hiki ke hāʻawi ʻia ka paipu kila e like me ke kaumaha theoretical.

Kaumaha kaumaha:
E like me nā koi o ka mea kūʻai aku, ma hope o ke kūkākūkā ʻana ma waena o ka mea hoʻolako a me ka mea kūʻai aku, a ma ka ʻaelike, ʻo ka ʻokoʻa ma waena o ke kaumaha maoli a me ke kaumaha theoretical o ka paipu kila hāʻawi e hoʻokō i kēia mau koi:
a) Paipu kila hoʻokahi: ± 10%;
b) ʻO kēlā me kēia pūʻulu o nā paipu kila me ka liʻiliʻi loa o 10 t: ± 7.5%.

Koi hoao

Hōʻike Hydraustatic:

Pono e ho'āʻo hydraulically ka paipu kila i kēlā me kēia. ʻO 20 MPa ke kaomi hoʻāʻo kiʻekiʻe. Ma lalo o ke kaomi ho'āʻo, ʻaʻole i emi iho ka manawa stabilization ma mua o 10 s, a ʻaʻole e kahe ka paipu kila.

Ma hope o ka ʻae ʻana o ka mea hoʻohana, hiki ke hoʻololi ʻia ka hoʻāʻo hydraulic e ka eddy current testing a i ʻole ka hoʻāʻo leakage flux magnetic.

Ho'āʻo Nondestructive:

ʻO nā paipu e koi aku i ka nānā hou aku e pono ke nānā ʻia me ka ultrasonically. Ma hope o ke kūkākūkā e koi i ka ʻae o ka ʻaoʻao a ua kuhikuhi ʻia i loko o ka ʻaelike, hiki ke hoʻohui ʻia nā hoʻāʻo ʻole luku ʻē aʻe.

Ho'āʻo palahalaha:

ʻO nā paipu me ke anawaena o waho i ʻoi aku ma mua o 22 mm e kau ʻia i kahi hoʻāʻo palahalaha. ʻAʻole pono e ʻike ʻia ka delamination, nā kiko keʻokeʻo, a me nā haumia i ka wā o ka hoʻokolohua holoʻokoʻa.

ʻO ka hoʻāʻo ʻana i ke ahi:

E like me nā koi o ka mea kūʻai aku a i ʻōlelo ʻia ma ka ʻaelike, hiki ke hana ʻia ka paipu kila me ke anawaena o waho ≤76mm a me ka mānoanoa pā ≤8mm. Hana ʻia ka hoʻokolohua ma ka lumi wela me kahi taper o 60 °. Ma hope o ka puhi ʻana, pono e hoʻokō ka nui o ke anawaena o waho i nā koi o ka papa ʻaina aʻe, a ʻaʻole pono e hōʻike ka mea hoʻāʻo i nā māwae a i ʻole nāha.

ʻAno kila	ʻO ke anawaena o waho o ka lapalapa o ka paipu kila/%
	Ka anawaena o loko/ka anawaena o waho
	<0.6	>0.6 〜0.8	>0.8
ʻO ke kila hoʻolālā kalapona kiʻekiʻe	10	12	17
kila kila kila	8	10	15
• Ua helu ʻia ke anawaena o loko no ka hāpana.