Mokhoa oa tlhahiso
1. Kakaretso ea mocheso oa boiler tube e ka tlase ho 450 ℃, pipe ea malapeng e entsoe haholo-holo ka No. 10, che.20 carbon bonded tšepe phala e chesang e kolobisitsoeng kapa phala e huloang ke serame.
2. Li-tubes tsa boiler tse nang le khatello e phahameng li atisa ho sebelisoa tlas'a mocheso o phahameng le maemo a phahameng a khatello.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.
3. Tube ea boiler ea khatello e phahameng ke mofuta oa tube ea boiler, e leng ea sehlopha sa tšepe e se nang seamless.Mokhoa oa ho etsa o tšoana le o se nang seamless tube high pressure boiler tube, empa ho na le litlhokahalo tse tiileng mokhahlelong oa tšepe o sebelisoang ho etsa tube ea tšepe.Hangata li-boiler tubes tse nang le khatello e phahameng li sebelisoa tlas'a mocheso o phahameng le maemo a khatello e phahameng.Tube ea boiler ea khatello e phahameng e sebelisoa haholo ho etsa li-superheater tube, tube reheater, pipe ea conduit, phala e kholo ea mouoane joalo-joalo ea khatello e phahameng le boiler ea khatello e phahameng haholo.
4. Hobane tube ea boiler e sebetsa tlas'a mocheso o phahameng le khatello e phahameng ka nako e telele, thepa e tla phunyeha, polasetiki le ho theoha ha boima, ho fetoha ha mokhatlo oa pele, ho senya joalo-joalo.Li-tubes tsa tšepe tse sebelisoang e le li-boilers li tla ba le:
(1) Matla a lekaneng a tšoarellang;
(2) Bokhoni bo lekaneng ba deformation ea polasetiki;
(3) Tloaelo e fokolang ea botsofali le brittleness ea mocheso;
(4) Ho hanyetsa oxidation e phahameng, ho hanyetsa molora oa mashala, ho hanyetsa mocheso o phahameng oa khase ea tlhaho, ts'ebetso ea mouoane le khatello ea maikutlo;
(5) Botsitso bo botle ba mokhatlo le ts'ebetso e ntle ea ts'ebetso.
Tšepe ea li-tube tsa boiler tse nang le khatello e phahameng ke tšepe ea carbon le pearlite, ferritic le austenitic stainless heat steel steel.Bakeng sa ho ntlafatsa ts'ebetso ea mocheso oa likarolo tse fehlang matla a mocheso le ho fokotsa tšebeliso ea mafura, nts'etsopele ea matla a maholo, parameter e phahameng (mocheso o phahameng, khatello e phahameng) likarolo tse hlahisang matla a mocheso (tse fetang 1000MW) li etelletsoa pele lefatšeng.Khatello ea mouoane e eketsehile ho fihla ho 31.5 ~ 34.3MPa, mocheso o chesang haholo oa mouoane ho fihlela ho 595 ~ 650 ℃, ho nts'etsopele ea khatello e matla ea khatello e phahameng, kahoo khatello e phahameng ea boiler tube e beha litlhoko tse phahameng.Sehlopha se secha sa tšepe se ile sa ntlafatsoa ho fihlela tlhoko ea boiler ea feme ea motlakase e phahameng.
Mokhoa oa tlhahiso ea tlhahiso ea li-tube tsa khatello e phahameng, Sebelisa likarolo
Bakeng sa boiler bo tlase le bo mahareng (khatello ea ho sebetsa hangata ha e fete 5.88mpa, mocheso o sebetsang o ka tlase ho 450 ℃) phala e futhumatsang holim'a metsi;E sebelisoa bakeng sa boiler ea khatello e phahameng (khatello ea ho sebetsa hangata ka holimo ho 9.8mpa, mocheso o sebetsang pakeng tsa 450 ℃ ~ 650 ℃) phala e futhumatsang holim'a metsi, economizer, superheater, reheater, pipe ea indasteri ea petrochemical, joalo-joalo.
Ho ea ka sebopeho sa sehlopha sa lintho tse bonahalang se ka aroloa ka 20G high-pressure boiler tube, 12Cr1MoVG high-pressure boiler tube, steel research 102 high-pressure boiler tube, 15CrMoG high-pressure boiler tube, 5310 high-pressure boiler tube, 3087 tube ea boiler ea khatello e tlase le e mahareng, 40Cr e phahameng ea khatello ea boiler tube, 1Cr5Mo high-pressure boiler tube, 42CrMo high-pressure boiler tube.
Mokhoa oa ho hlahisa li-tube tsa khatello e phahameng, Litlhaloso le boleng ba ponahalo
(1) GB3087-2008 "Pipe ea Seamless Steel bakeng sa Boiler ea khatello e tlase le e mahareng".Litlhaloso tsa li-tubes tsa tšepe bakeng sa li-boilers tse fapaneng tsa sebopeho, bophara ba 10 ~ 426mm, mefuta e 43 ka kakaretso.Ho na le mefuta e 29 ea botenya ba marako ho tloha ho 1.5 mm ho isa ho 26mm.Leha ho le joalo, bophara ba ka ntle le botenya ba lebota la phala ea mouoane e futhumetseng haholo, phala e kholo ea mosi, phala e nyane ea mosi le phala ea litene e sebelisoang ka boiler ea li-locomotive li boletsoe ka tsela e 'ngoe.
(2) GB5310-2008 "Seamless Steel Tube bakeng sa Boiler bo phahameng ba khatello" e chesang e pota-potiloeng bophara ba 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.
(3) GB3087-82 "Seamless steel tube bakeng sa boilers ea khatello e tlase le e mahareng" le GB5310-95 "seamless steel tube for high pressure boiler" litokisetso.Boleng ba ponahalo: ho phunyeha, ho phutha, ho pota-pota, ho senya, ho arohana le wrinkles ha ho lumelloe ka hare le ka ntle holim'a phala ea tšepe.Litšitiso tsena li lokela ho tlosoa ka ho feletseng.Botebo ba tumello bo ke ke ba feta ho kheloha ho fosahetseng ha botenya ba lebota ka lebitso, 'me botenya ba sebele ba lebota sebakeng sa tumello ha boa lokela ho ba ka tlase ho bonyane bo lekaneng bo amohelehang ba lebota.
Nako ea poso: May-23-2022