Li-tubes tsa tšepe tsa boiler le liphaephe li sebelisoa bakeng sa matlo a boiler le li-heaters tsa mocheso
Boiler tšepe li-tubes le liphaephe, E bua ka lipheletsong tse peli tsa ho bula le sekoti karolo, bolelele ba eona le periphery ea tšepe e khōloanyane, ho ea ka mokhoa oa tlhahiso e ka aroloa ka seamless tšepe tube le welded tšepe tube, litlhaloso tsa tšepe tube le kantle. litekanyo (tse kang bophara ba ka ntle kapa bolelele ba mahlakoreng) le botenya ba lerako, boholo ba eona bo pharaletseng haholo, ho tloha bophara bo bonyenyane ba tube ea capillary ho ea bophara ba limithara tse 'maloa tsa pipe e kholo ea caliber.Li-tubes tsa tšepe li ka sebelisoa bakeng sa liphaephe, lisebelisoa tsa mocheso, indasteri ea mechini, tlhahlobo ea geological ea peterole, lijana, indasteri ea lik'hemik'hale le merero e khethehileng.
Li-tubes tsa tšepe le liphaephe, Phaephe ea tšepe e arohaneng le phala ea tšepe e cheselitsoeng (phala ea seam) mekhahlelo e 'meli.Ho ea ka karolo sebopeho ka aroloa ka tube chitja le tube e khethehileng-e bōpehileng joaloka, ho pharaletseng sebelisoa ke selikalikoe tšepe tube, empa ho na le tse seng kae lisekoere, khutlonnetsepa, semicircle, hexagonal, equilateral kgutlotharo, octagonal khethehileng-e bōpehileng joaloka tšepe tube.Bakeng sa phala ea tšepe tlas'a khatello ea mokelikeli ho etsa tlhahlobo ea hydraulic ho leka matla a eona a khatello le boleng, tlas'a khatello e boletsoeng ha e tsoe, e kolobile kapa e atolosoa bakeng sa ba tšoanelehang, phala e 'ngoe ea tšepe ho latela maemo kapa litlhoko tsa tlhahlobo ea lehlakore, ho phatloha. teko, ho batalatsa teko.
Boiler Steel Tubes Le Liphaephe, Mekhoa ea Tlhahiso
Li-tubes tsa tšepe le liphaephe, ke mofuta oa li-tubes 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.Ho ea ka tšebeliso ea mocheso e arotsoe ka mefuta e 'meli ea kakaretso boiler tube le phahameng-khatello boiler tube.
Li-tubes tsa tšepe tsa boiler le liphaephe, thepa ea mochini ke index ea bohlokoa ho netefatsa ts'ebeletso ea ho qetela ea tšepe.E itšetlehile ka sebopeho sa lik'hemik'hale tsa tšepe le tsamaiso ea phekolo ea mocheso.Tekanyetso ea lipeipi tsa tšepe, ho latela litlhoko tse fapaneng tsa tšebeliso, e hlalositse thepa ea ho tsitsa (matla a thata, matla a tlhahiso kapa ntlha ea chai, bolelele) le boima, matšoao a thata, hammoho le litlhoko tsa mosebelisi tsa ts'ebetso e phahameng le e tlase ea mocheso.
① Mocheso o tloaelehileng oa boiler tube o ka tlase ho 350 ℃, pipe ea malapeng e entsoe haholo ka No. 10, che.20 carbon tšepe e chesang phala e phuthoang kapa phala e huloang ka serame.
② Li-tubes tsa boiler tse nang le khatello e phahameng hangata li sebelisoa tlas'a mocheso o phahameng le maemo a 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 hlokahala ho ba le matla a tšoarellang a phahameng, ho hanyetsa kutu e phahameng ea oxidation le botsitso bo botle ba microstructure.
Li-tubes tsa tšepe tsa boiler le liphaephe, Sebelisa
(1) Kakaretso ea boiler tube e sebelisoa haholo ho etsa tube ea lerako la metsi, pompo ea metsi a belang, mouoane o futhumetseng haholo, mouoane oa mouoane o chesang haholo, phala e kholo le e nyane ea mosi le phala ea litene tse kholo.
(2) Tupu ea boiler ea khatello e phahameng e sebelisoa haholo ho etsa li-superheater tube, tube ea reheater, peipi, peipi e kholo ea mouoane, joalo-joalo. Phepelo le tlhokeho ea indasteri ea li-boiler tsa khatello e phahameng hangata e tsitsitse, empa boemo ba phepelo le tlhoko ea e 'ngoe le e 'ngoe. liindasteri tse khethehileng li tla aroloa hape.Batho ba ka hare ho indasteri ba bontša hore sehokelo sa bohlokoa ka ho fetisisa ke ho sebelisoa le ho khothaletsoa ha 20g high-pressure boiler tube lisebelisoa bakeng sa ho boloka mocheso o mocha oa ho boloka matla.
Lihlahisoa tse ncha tse bolokang matla a 20g tse nang le khatello e phahameng ea matla li ntse li eketseha butle-butle 'marakeng, tse kang pente e tala ea tšireletso ea tikoloho, lihlahisoa tsa ho hlapela tse bolokang matla le tse bolokang metsi, lejoe la tšireletso ea tikoloho, letlapa la tšireletso ea samente ea foam, ho boloka matla le lihlahisoa tsa ts'ireletso ea tikoloho 'marakeng o pharalletseng oa indasteri ea li-boiler tsa khatello e phahameng ea 20g ea ts'episa.[1]
Litokisetso tse nepahetseng
(1) GB/T5310-2008 "Seamless Steel Tubes for High pressure Boilers" 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".
(2) Tlhahlobo ea sebopeho sa lik'hemik'hale ea phala ea tšepe e tsoang kantle ho naha e tla etsoa ho latela litekanyetso tse boletsoeng konterakeng.
Li-tubes tsa tšepe tsa boiler le liphaephe, 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
Li-tubes tsa tšepe tsa boiler le liphaephe, thepa ea 'mele ea
(1) GB3087-2008 "Pipe ea Seamless Steel bakeng sa Boiler 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) GB5310-2008 "Seamless Steel Tube bakeng sa boiler khatello e phahameng" litokisetso.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.
Li-tubes tsa tšepe tsa boiler le liphaephe, thepa ea mochini oa
Matla a tšepe
Ts'ebetsong ea ho tsitsipana, matla a maholo (Fb) a mohlala nakong ea ho robeha a tsoa khatellong (σ) ea sebaka sa pele sa sefapano (So) sa mohlala, o bitsoang matla a tensile (σb), a hlahisitsoeng N/mm2 (MPa).E emela boholo ba matla a thepa ea tšepe ho hanyetsa tšenyo tlas'a tsitsipano.Foromo ea lipalo ke:
Moo: Fb-- matla a phahameng a fetisitsoeng ke mohlala ha o robeha, N (Newton);So-- Sebaka sa mantlha sa karolo ea sampole, mm2.
Ntlha ea lihlahisoa
Lisebelisoa tsa tšepe tse nang le ts'ebetso ea lihlahisoa, mohlala oa ts'ebetso ea matla a thata ha o eketsehe (boloka kamehla) o ka tsoela pele ho atolosa khatello ea kelello, e bitsoang ntlha ea lihlahisoa.Tabeng ea ho fokotseha ha matla, lintlha tsa lihlahisoa tse holimo le tse tlaase li lokela ho khetholloa.Karolo ea ntlha ea lihlahisoa ke N/mm2 (MPa).
Ntho e ka holimo ea lihlahisoa (σ SU) ke khatello e phahameng ka ho fetisisa pele mohlala o hlahisa 'me matla a theoha ka lekhetlo la pele.Ntho e ka tlaase ea lihlahisoa (σ SL) : khatello e fokolang boemong ba lihlahisoa ha phello ea pele ea nakoana e sa nkoa.
Sebaka sa tlhahiso se ka baloa ka:
Moo Fs e leng matla a tlhahiso (kamehla) a mohlala nakong ea ts'ebetso ea tsitsipano, N (Newton) Ho joalo le ka sebaka sa mantlha sa karolo ea mohlala, mm.2
Li-tubes tsa tšepe tsa boiler le liphaephe, elongation kamora ho robeha
Tekong ea tsitsipano, peresente ea bolelele e eketsehile ka sebaka se tloaelehileng ka mor'a hore mohlala o huloe 'me bolelele ba sebaka sa pele se tloaelehileng se bitsoa elongation.Yuniti ke %.Foromo ea lipalo ke:
Moo: L1-- sebaka sa mohlala ka mor'a ho robeha, mm;L0-- Bolelele ba sebaka sa mantlha sa sampole, mm.
Ho fokotseha ha karolo
Tekong ea tsitsipano, peresente ea phokotso e kholo ea sebaka sa karolo ea sefapano ka bophara bo fokotsehileng ba mohlala ka mor'a ho huloa le sebaka sa pele sa sefapano se bitsoa sekhahla sa ho fokotsa sebaka.ψ e hlahisoa ka %.Foromo ea lipalo ke e latelang:
Moo, S0-- sebaka sa mantlha sa karolo ea sampole, mm2;S1-- Sebaka se fokolang sa karolo e ka holimo ho bophara bo fokotsehileng ba mohlala ka mor'a ho robeha, mm2.
Lenane la boima
Ho thatafala ke bokhoni ba tšepe ho hanela lintho tse thata tse hatellang holim'a metsi.Ho latela mokhoa oa teko le boholo ba kopo, boima bo ka aroloa ka Brinell hardness, Rockwell hardness, Vickers hardness, Shore hardness, micro hardness le mocheso o phahameng oa thata.Hangata ho sebelisoa liphaephe ho na le brinell, rockwell, Vickers hardness 3 mefuta.
A, Brinell hardness (HB)
Bolo ea tšepe kapa bolo ea carbide ea bophara bo itseng e hatelloa sebakeng sa sampole ka matla a teko a boletsoeng (F), 'me matla a teko a tlosoa ka mor'a nako e behiloeng ho lekanya bophara ba indentation (L) sebakeng sa sampole.Nomoro ea boima ba Brinell ke quotient ea matla a teko a arotsoeng ke bokaholimo ba sphere ea indentation.E hlahiswa ka HBS, yuniti ke N/mm2 (MPa).
Li-tubes tsa tšepe tsa boiler le liphaephe, boleng le tlhahlobo
Litlhaloso le 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) GB3087-2008 "seamless steel tube for low and medium pressure boiler" 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.[2]
Teko ea lik'hemik'hale
(1) GB3087-2008 "Pipe ea Seamless Steel bakeng sa Boiler ea khatello e tlase le e mahareng".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 boletsoeng konterakeng.
| Sehlahisoa | li-tubes tsa tšepe tsa boiler le liphaephe | |
| Pipe e se nang Seam | China | GB/T8162/T8163 GB5310/6579/9948 |
| usa | ASTM A53/A106/A178/A179/A192/A210/A213/A333/A335/A283/A135/A214/315/A500/A501/A519/A161/A334;API 5L/5CT | |
| Japane | JIS G3452/G3454/G3456/G3457/G3458/G3460/3461/3462/3464 | |
| Sejeremane | DIN 1626/17175/1629-4/2448/2391/17200 SEW680 | |
| Russia | GOST 8732/8731/3183 | |
| Boitsebiso le Kereiti | China | 10#, 20#, 16Mn, 20G, 15MoG, 15CrMo, 30CrMo, 42Crmo, 27SiMn, 20CrMo |
| usa | Gr.B/Gr.A/A179/A192/A-1/T11/T12/T22/P1/FP1/T5/4140/4130 | |
| Japane | STPG38,STB30,STS38,STB33,STB42,STS49,STBA23,STPA25,STPA23 | |
| Sejeremane | ST33,ST37,ST35,ST35.8,ST45,ST52,15Mo3,13CrMo44, 1.0309, 1.0305, 1.0405 | |
| Russia | 10, 20, 35, 45, 20X | |
| Out Diameter | 10-1000mm KAPA tlhophiso | |
| Botenya ba Lerako | 1-100mm KAPA tlhophiso | |
| Bolelele | 1-12m KAPA tlhophiso | |
| Tshireletso | Likatiba tsa polasetiki | |
| Lipehelo tsa ho paka | E tšoailoe 'me e kopane hammoho le tšepe ea tšepe | |
| Lipehelo tsa thomello | Lijana kapa liphutheloana haufi le leoatle, sets'oants'o se le seng sa 20" se ka laela lithane tse ka bang 20 (bolelele ba 5.8meter), sejana se le seng sa 40" se ka laela lithane tse 23-25 (ka tlase ho 11.8meters bolelele) | |
| Setifikeiti sa Boleng | ISO, API, Setifikeiti sa Tlhahlobo ea Mill | |
| Phekolo ea Bokaholimo | Penta e ntšo / bokaholimo bo nang le varnish, oli e thibelang ho bola, e entsoeng ka masenke kapa joalo ka ha ho hlokoa ke moreki | |
| Mokhoa | Mocheso o Qhoetsoeng/ O Ratang |
| Limaraka tsa tšepe | Q195, Q235A-B, Q345A-E, 20#, 10#,16Mn, ASTM A36,ASTM A500, ASTM A53, ASTM 106, SS400, St37, St52, S235JR, S355TRH ect. |
| Litekanyetso | GB/T 3091-2001,GB/T13912-2002, BS 1387, ASTM F1083 ect. |
| Pipe e fella | e hlakileng, e koetsoeng, e khoele, sokete e nang le masoba, e nang le PVC clap / coupling / clamp, kapa joalo ka tlhoko ea bareki |
| phekolo | |
| Kopo | phepelo ea metsi (pompo seliba, khase, metsi), phala ea kaho, sebopeho pipe(sebopeho sa sethopo, poso ea terata), lerako la likharetene, karolo ea mochini ect. |
| Nako ea thomello | matsatsi a 10 ho tloha stock;15-20days e hlahisoang ho latela qty |
| Tefo Nako | T/T kapa L/C |
| Nako ea Theko | CIF;CFR;FOB |
| Loading Port | Qingdao koung Tianjin koung Shanghai Port China |
Pontšo ea Sehlahisoa
Lihlopha tsa lihlahisoa
-
Plastiki e koahetsoeng ka hare le ka ntle phala e kopantsoeng
-
Mofani ea molemo ka ho fetisisa oa lakane ea aluminium ka 1060
-
Carbon seamless steel tubes oli le khase ERW koloi...
-
Aluminium 1050 poleiti China fektheri aluminium
-
A500 Carbon Steel Square Tubing
-
C7025 Brass moetsi oa mehleng oa lebitso la...
