Khatello e phahameng ea seamless tube boiler pipeline ea oli le peipi ea khase
Pipe e nang le khatello e phahameng e se nang seam，Tube ea boiler ea khatello e phahameng ke mofuta oa mofuta oa li-boiler tube, ke tsa sehlopha sa li-tube tsa tšepe tse se nang seam.Mokhoa oa ho etsa thepa o tšoana le phala e se nang seam, empa ho na le litlhoko tse tiileng tsa mofuta oa tšepe o sebelisetsoang ho etsa pipe ea tšepe.Khatello e phahameng ea boiler tube hangata e sebelisoa mocheso o phahameng le maemo a khatello e phahameng, khatello e phahameng ea boiler tube e sebelisoa haholo ho etsa khatello e phahameng le ultra high pressure boiler superheater tube, reheater tube, pipe, pipe e kholo ea mouoane joalo-joalo.
Boiler tube ea khatello e tlase le e mahareng GB3087-2008, khatello e phahameng ea boiler tube GB5310-2008 e sebelisoa ho etsa mefuta eohle ea sebopeho se tlase sa khatello e matla ea mouoane, tube ea metsi a belang le boiler ea locomotive e nang le mouoane o chesang haholo, tube e kholo ea mosi, tube e nyane ea mosi. le arch setene phala pipe ea boleng bo phahameng k'habone sebopeho tšepe chesang phuthoa le batang huleloa (roloe) seamless tšepe tube.Pipe ea tšepe e sa tsitsang bakeng sa sebopeho (GB/T8162-2008) e sebelisoa bakeng sa sebopeho se akaretsang le sebopeho sa mochini oa phala ea tšepe e se nang moeli.
Litlhaloso le boleng ba ponahalo: GB5310-2008 "Seamless steel tube bakeng sa boilers ea khatello e phahameng" bophara ba phala e chesang 22 ~ 530mm, botenya ba lerako 20 ~ 70mm.Mohatsela o huleloang (o batang o phutholohile) bophara ba tube 10 ~ 108mm, botenya ba lebota 2.0 ~ 13.0mm.
Pipe ea tšepe e sa tsitsang e nang le sebōpeho se khethehileng ke lentsoe le akaretsang bakeng sa phala ea tšepe e se nang moroallo e nang le libopeho tse ling tsa sefapano ntle le peipi e chitja.Ho ea ka sebopeho se fapaneng le boholo ba karolo ea phala ea tšepe, e ka aroloa ka botenya bo lekanang le botenya bo khethehileng bo bōpehileng joaloka seamless phala (khoutu D), botenya bo sa lekaneng botenya bo khethehileng bo bōpehileng joaloka seamless tšepe pipe (code BD), bophara bo fapaneng bo khethehileng- phala ea tšepe e se nang seamless (khoutu BJ).Li-tubes tsa tšepe tse nang le sebopeho se ikhethileng li sebelisoa haholo likarolong tse fapaneng tsa meralo, lisebelisoa le likarolo tsa mochini.Ha e bapisoa le tube e chitja, tube e bōpehileng ka kakaretso e na le nako e kholoanyane ea inertia le modulus ea karolo, e na le khanyetso e khōloanyane ea ho khumama le ho hanyetsa, e ka fokotsa boima ba mohaho, ho boloka tšepe.
Phaephe e Seamless ea Khatello e Phahameng, Sebopeho sa Lik'hemik'hale
(1)GB3087-2008 "Seamless Steel pipe for Low and medium pressure boiler" lipehelo.Mokhoa oa tlhahlobo ea lik'hemik'hale ho latela gb222-84 le GB223 "Mekhoa ea Tlhahlobo ea Lik'hemik'hale ea Tšepe le Alloy" karolo e amehang.
(2)GB5310-2008 "Seamless Steel Tube bakeng sa boiler khatello e phahameng" litokisetso.Mokhoa oa tlhahlobo ea lik'hemik'hale ho latela GB222-84 le "Mokhoa oa Tlhahlobo ea Lik'hemik'hale ea Iron le Steel le Alloy", GB223 "Mokhoa oa tlhahlobo ea lik'hemik'hale tsa Iron le Steel le Alloy".
(3) Tlhahlobo ea lik'hemik'hale tsa phala ea tšepe ea boiler e tsoang kantle ho naha e tla etsoa ho latela litekanyetso tse nepahetseng tse boletsoeng tumellanong.
Motsoako oa Lik'hemik'hale Phahameng ea Khatello Pipe e se nang Seamless, Kereiti ea tšepe
(1) boleng bo phahameng ba carbon structural tšepe tšepe 20G, 20MnG, 25MnG.
(2) Alloy sebopeho tšepe 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, joalo-joalo.
(3) Mafome mocheso manganga tšepe ka tloaelo sebelisoa 1Cr18Ni9, 1Cr18Ni11Nb boiler tube, ho phaella ho etsa bonnete ba sebopeho lik'hemik'hale le thepa ea mechine, ho etsa tlhahlobo ea khatello ea metsi, ho etsa tlhahlobo ea ho chesa, ho hatella.Li-tubes tsa tšepe li tsamaisoa maemong a kalafo ea mocheso.
Ntle le moo, microstructure, boholo ba lijo-thollo le lera la decarburization ea li-tubes tse phethiloeng tsa tšepe le tsona lia hlokahala.
Phaephe e Seamless ea Khatello e Phahameng, Thepa ea 'mele ea
(1) GB3087-82 "tube ea tšepe e se nang seamless bakeng sa boilers ea khatello e tlase le e mahareng".Teko ea tenese ho latela GB/T228-87, tlhahlobo ea hydraulic ho latela GB/T241-90, teko e bataletseng ho latela GB/T246-97, tlhahlobo ea flaring ho latela GB/T242-97, tlhahlobo e batang ea ho khumama ho latela GB244-97.
(2) GB5310-95 "tube ea tšepe e se nang seamless bakeng sa boiler ea khatello e phahameng".Teko ea tsitsipano, teko ea khatello ea metsi le teko ea ho batalla li tšoana le gb3087-82;Teko ea tšusumetso ho latela GB229-94, tlhahlobo ea flaring ho latela GB/T242-97, tlhahlobo ea boholo ba lijo-thollo ho latela YB/T5148-93;Ho latela GB13298-91 bakeng sa tlhahlobo ea microstructure, GB224-87 bakeng sa tlhahlobo ea lera la decarburization le GB/T5777-96 bakeng sa tlhahlobo ea ultrasonic.
(3) Tlhahlobo ea thepa ea 'mele le matšoao a li-boiler tubes tse tsoang linaheng tse ling li tla etsoa ho latela litekanyetso tse nepahetseng tse boletsoeng tumellanong.
Phaephe e Seamless ea Khatello e Phahameng, Mekhoa ea Tlhahiso
Phaephe e phahameng e se nang moeli，Ke mofuta oa tube e se nang seam.Mokhoa oa ho etsa thepa o tšoana le phala e se nang seam, empa ho na le litlhoko tse tiileng tsa mofuta oa tšepe o sebelisetsoang ho etsa pipe ea tšepe.Ho ea ka tšebeliso ea mocheso e arotsoe ka mefuta e 'meli ea kakaretso boiler tube le phahameng-khatello boiler tube.
① Phaephe e phahameng e se nang seamless, Ha mocheso oa ts'ebetso o le ka tlase ho 450 ℃, phala ea lapeng e entsoe haholo-holo ka no.10 le No.20 carbon bonded steel hot rolled pipe kapa phala e huloang ke serame.
② Peipi e se nang seamless khatello e phahameng，Ha e sebelisoa, phala hangata e tlas'a mocheso o phahameng le khatello e phahameng.Tlas'a ketso ea mocheso o phahameng oa khase ea flue le mouoane oa metsi, oxidation le corrosion li tla etsahala.Pipe ea tšepe e hlokeha ho ba le matla a phahameng a tšoarellang, ho hanyetsa ha kutu e phahameng ea oxidation le botsitso bo botle ba microstructure.
| Standard | Kereiti ea tšepe | Sebopeho sa lik'hemik'hale (%) | |||||||||||||
| C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | AL | W | Nb | N | ||
| ASME SA106 | SA106B | 0.17 ~0.25 | ≥0.1 | 0.7 ~1.0 | ≤0.03 | ≤0.03 | |||||||||
| SA106C | 0.23 ~0.27 | ≥0.1 | 0.7 ~1.0 | ≤0.03 | ≤0.03 | ||||||||||
| ASME SA333 | SA333I | 0.09 ~0.12 | / | 0.7 ~1.0 | ≤0.02 | ≤0.01 | |||||||||
| SA333II | 0.09 ~0.12 | ≥0.1 | 0.9 ~ 1.1 | ≤0.02 | ≤0.01 | ||||||||||
| ASME A335 | SA335P11 | 0.05 ~0.15 | 0.5 ~1.0 | 0.3 ~0.6 | ≤0.03 | ≤0.03 | 1.0 ~1.5 | 0.5 ~1.0 | |||||||
| SA335P12 | 0.05 ~0.15 | ≤0.5 | 0.3 ~ 0.6 | ≤0.03 | ≤0.03 | 0.8 ~1,25 | 0.44 ~0.65 | ||||||||
| SA335P22 | 0.05 ~0.15 | ≤0.5 | 0.3 ~ 0.6 | ≤0.03 | ≤0.03 | 1.9 ~ 2.6 | 0.87 ~1.13 | ||||||||
| SA335P5 | ≤0.15 | ≤0.5 | 0.3 ~ 0.6 | ≤0.03 | ≤0.03 | 4.0 ~6.0 | 0.45 ~0.65 | ||||||||
| SA335P91 | 0.08 ~0.12 | 0.2 ~0.5 | 0.3 ~ 0.6 | ≤0.02 | ≤0.01 | 8.0 ~9.5 | 0.85 ~1.05 | ≤0.4 | 0.18 ~0.25 | ≤0.015 | 0.06 ~0.1 | 0.03 ~0.07 | |||
| SA335P92 | 0.07 ~0.13 | ≤0.5 | 0.3 ~ 0.6 | ≤0.02 | ≤0.01 | 8.5 ~9.5 | 0.3 ~ 0.6 | B0.001 0.006 | ≤0.4 | 0.15 ~0.25 | ≤0.015 | 1.5 ~2.0 | 0.04 ~0.09 | 0.03 ~0.07 | |
| DIN 17175 | ST45.8III | ≤0.21 | 0.1 ~0.35 | 0.4 ~1.2 | ≤0.04 | ≤0.04 | ≤0.3 | ||||||||
| 15Mo3 | 0.12 ~0.2 | 0.1 ~0.35 | 0.4 ~0.8 | ≤0.035 | ≤0.035 | 0.25 ~0.35 | |||||||||
| 13CrMo44 | 0.1 ~0.18 | 0.1 ~0.35 | 0.4 ~0.7 | ≤0.035 | ≤0.035 | 0.7 ~1.1 | 0.45 ~0.65 | ||||||||
| 10CrMo910 | 0.08 ~0.15 | ≤0.5 | 0.3 ~0.7 | ≤0.025 | ≤0.02 | 2.0 ~ 2.5 | 0.9 ~1.1 | ≤ 0.3 | ≤0.3 | ≤0.015 | 0.015 ~0.045 | ||||
| EN10216 -2 | WB36 | ≤0.17 | 0.25 ~0.5 | 0.8 ~1.2 | ≤0.025 | ≤0.02 | ≤0.3 | 0.25 ~0.5 | 0.5 ~0.8 | 1.0 ~1.3 | ≤0.015 | ||||
Pontšo ea Sehlahisoa
