ʻO kā mākou mau mea maikaʻi e hōʻemi i nā pae kumukūʻai, nā limahana kūʻai kūʻai ikaika, QC kūikawā, nā hale hana ikaika, nā lawelawe ʻoi aku ka maikaʻi no ke kumukūʻai ʻoi loa ʻo China Seamless Steam Carbon Steel Pipe, ʻO kā mākou pahuhopu nui ka hoʻopuka ʻana i kā mākou mea kūʻai aku ma ka honua holoʻokoʻa me ka maikaʻi maikaʻi, ke kumukūʻai hoʻokūkū, hoʻopuka hauʻoli a nā mea hoʻolako maikaʻi loa.
ʻO kā mākou mau mea maikaʻi e hōʻemi i nā pae kumukūʻai, nā limahana kūʻai nui loa, QC kūikawā, nā hale hana ikaika, nā lawelawe maikaʻi loa noʻO ka paipu kalapona ʻole o Kina, paipu kila ʻole, Ke hana nei mākou i kā mākou waiwai no nā makahiki he 20. Hana nui i ka wholesale, no laila ua loaʻa iā mākou ke kumu kūʻai hoʻokūkū, akā ʻoi aku ka maikaʻi. No nā makahiki i hala iho nei, ua loaʻa iā mākou nā manaʻo maikaʻi loa, ʻaʻole wale no ka hāʻawi ʻana i nā hopena maikaʻi, akā no kā mākou lawelawe ma hope o ke kūʻai aku. Ke kali nei mākou iā ʻoe iho no kāu nīnau.

Nānā nui

Palapala noi

Hoʻohana nui ʻia ia e hana i ke kila kila kila kiʻekiʻe, ke kila kila kila a me ke kila wela welapaipu kila ʻoles no ke kaomi kiʻekiʻe a ma luna aʻe 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

Waiwai Mekani

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

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 ka piʻi 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.

Huahana Huahana

Na Paipu kila maʻemaʻe no nā paila kiʻekiʻe

GB/T5310-2017

ASME SA-106/SA-106M-2015

ASTMA210(A210M)-2012

ASME SA-213/SA-213M

ASTM A335/A335M-2018