Seamless chubhu yeboiler imhando yeboiler chubhu, inova yechikamu chesimbi isina musono chubhu. Iyo nzira yekugadzira yakafanana nechubhu isina musono, asi pane zvakaomesesa zvinodiwa pasimbi inoshandiswa mukugadzirwa kwesimbi chubhu. Boiler ine seamless chubhu inowanzoshandiswa mukupisa kwepamusoro uye kudzvinyirira kwakanyanya, mapaipi mumhepo yakakwira tembiricha gasi uye mhute yemvura pasi pechiito, ichaitika oxidation uye ngura. Machubhu esimbi anodiwa kuti ave nesimba rakasimba rakasimba, yakakwira oxidation corrosion resistance, uye kugadzikana kwetishu. Boiler ine isina musono chubhu inonyanya kushandiswa kugadzira yakakwira kudzvinyirirwa uye yekupedzisira-yakanyanya kudzvanywa boiler superheater chubhu, reheater chubhu, gasi rinotungamira boiler ine isina musono chubhu, iyo huru yehuputi chubhu, nezvimwe.

Yakaderera uye yepakati pressure boiler chubhuGB3087-1999, boiler isina musono chubhuGB5310-1999inoshandiswa kugadzira zvakasiyana-siyana zvimiro zveyakadzika kudzvanywa boiler superheated steam pombi, inofashaira pombi yemvura uye locomotive boiler inopisa muto wepombi, pombi yehutsi, pombi diki yeutsi uye arch zvidhinha pombi pombi yemhando yepamusoro kabhoni yekugadzira simbi inopisa yakakungurutswa uye inotonhora inodhonzwa (yakakungurutswa) isina musono pombi yesimbi. Seamless simbi chubhu yechimiro (GB/T8162-1999) ichubhu isina musono yesimbi yeyakajairwa dhizaini uye mechanical chimiro. Zvinotsanangurwa uye chimiro chemhando:GB5310-95"Seamless Simbi chubhu yeHigh pressure boiler" inopisa yakakungurutswa pombi dhayamita 22 ~ 530mm, ukobvu hwemadziro 20 ~ 70mm. Iyo dhayamita yekunze yechando inodhonzwa (inotonhora yakakungurutswa) chubhu i10 ~ 108mm, uye ukobvu hwemadziro i2.0 ~ 13.0mm. Special shaped seamless simbi pombi izwi rinowanzoreva seamless simbi pombi yemamwe maumbirwo epamuchinjikwa kunze kwepombi yakatenderera. Maererano akasiyana chimiro uye kukura simbi mutopota chikamu, inogona kupatsanurwa akaenzana rusvingo ukobvu inokosha-yakaumbwa musono simbi pombi (code nokuda D), kusaenzana rusvingo ukobvu inokosha-yakaumbwa musono simbi pombi (code nokuda BD), dhayamita dhayamita inokosha-shaped musono pombi simbi (code nokuda BJ). Special shaped seamless simbi machubhu anoshandiswa zvakanyanya munzvimbo dzakasiyana-siyana dzezvimiro, maturusi uye mekiniki zvikamu. Kuenzaniswa nechubhu yakatenderera, iyo yakakosha-yakaita chubhu kazhinji ine yakakura nguva ye inertia uye chikamu modulus, uye ine hukuru hwekuramba kupeta uye torsion, iyo inogona kuderedza zvakanyanya huremu hwechimiro uye kuchengetedza simbi. 4. Muedzo wekuumbwa kwemakemikari (1)GB3087-82"Seamless simbi chubhu kune yakaderera uye yepakati pressure boiler" zvigadziro. Kemikari yekuumbwa bvunzo nzira zvinoenderana neGB222-84 uye GB223 "Simbi uye Alloy Chemical Analysis Method" chikamu chakakodzera. (2)GB5310-95"Seamless Simbi Tube yeHigh pressure boiler" zvigadziro. Iyo yekuyedza nzira yekuumbwa kwemakemikari inoenderana nezvikamu zvinoenderana zveGB222-84, Chemical Analysis Method yeSimbi uye Alloy, uye GB223 Chemical Analysis Nzira yeSimbi uye Alloy. (3) Kuongororwa kwemakemikari emubhoyiri simbi inotengeswa kunze kwenyika kuchaitwa zvinoenderana nezvinodiwa zvakatemwa muchibvumirano. 5 bhaira ine seamless chubhu simbi (1) high quality carbon structural simbi simbi iri 20G, 20MnG, 25MnG. (2) alloy structural simbi simbi 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG12CrMoC2Br3MoC2Br 3MoC2Br uye 3MoC2Br3MoG 3MoG 1B, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG12CrMoC2Br3MoC2Br3MoVG, 3MoG2B, 3MoG2Br. (3) ngura inodzivirira kupisa simbi inowanzoshandiswa 1Cr18Ni9, 1Cr18Ni11Nb bhaira chubhu mukuwedzera kuti ive nechokwadi chemakemikari kuumbwa uye michina zvinhu, kuita hydraulic bvunzo mudzi nemidzi, kuita flaring, flattening bvunzo. Machubhu esimbi anounzwa munzvimbo yekupisa. Mukuwedzera, iyo microstructure, saizi yezviyo uye decarbonization layer yepombi yesimbi yakapedzwa inodiwa zvakare.

6. Muedzo wekuita muviri (1)GB3087-82 “Seamless simbi chubhu kune yakaderera uye yepakati pressure boilerTensile bvunzo zvinoenderana neGB/T228-87, hydraulic bvunzo zvinoenderana neGB/T241-90, squashing bvunzo zvinoenderana neGB/T246-97, flaring bvunzo zvinoenderana neGB/T242-97, inotonhora yekukotama bvunzo zvinoenderana neGB24497 (2)GB5310-95 "Seamless Simbi Tube yeHigh pressure boilerTensile bvunzo, hydrostatic bvunzo uye flattening bvunzo zvakafanana neGB3087-82; Impact bvunzo zvinoenderana neGB229-94, flaring bvunzo zvinoenderana neGB/T242-97, saizi yezviyo bvunzo zvinoenderana neYB/T5148-93; Zvinoenderana neGB13298-91 yekuongororwa kweiyo microscopic tishu-8 GB kuongororwa, 242-97 bvunzo. GB224-87 ye ultrasonic examinationGB/T5777-96.(3) Kuongororwa kwekuita kwemuviri uye indexes dzemachubhu ebhoiler anotengeswa kunze kwenyika kuchaitwa zvinoenderana nezvinodiwa zvakatemwa muchibvumirano.

7. Main import and export situation

(1) high pressure boiler seamless chubhu huru dzinopinza nyika iJapan, Germany. Kazhinji pinza zvinhu zve 15914.2 mm;2734.0 mm; 219.110.0 mm; 41975mm; 406.460 mm, zvichingodaro. Minimum specification i31.84.5 mm, kureba kunowanzoita 5 ~ 8 m. (2) kana iri nyaya yezvakatorwa kunze kwenyika, Germany mannesmann seamless boiler tube, pipe mill yakaunzwa kunze ST45 by ultrasonic tested of census, yakawana kuti nhamba diki yehurema hwemukati hwepombi yesimbi yeGerman kupfuura iyo standard steel pombi yeGerman. giredhi vari 34 crmo4 uye 12 crmov, etc. Rudzi urwu rwesimbi chubhu yakakwirira tembiricha kushanda zvakanaka, inowanzoshandiswa tembiricha bhaira simbi pombi.(4) alloy chubhu inounzwa kubva Japan zvakawanda, tsanangudzo mm5 426.012 ~ 8 m; 152.48.0 mm12m;89.110.0 mm6m; 101.610.0 mm12m; 114.38.0 mm6m; 127.08.0 mm9m JISG3458 kushandiswa kweyeJapan maindasitiri mwero, segiredhi resimbi yeSTPA25, rudzi urwu rwepombi yesimbi inoshandiswa kuenzanisa netembiricha yealloy chubhu.High pressure boiler seamless chubhu import and export, (1) high pressure boiler boiler seamless chubhu nyika huru dzinopinza kunze iJapan, Germany. Kazhinji pinza zvinhu zve 15914.2 mm;2734.0 mm; 219.110.0 mm; 41975mm; 406.460 mamirimita ndiwo madiki akatsanangurwa akadai se 31.84.5 mm, kureba kunowanzoita 5 ~ 8 m. (2) kana iri nyaya yezvakatorwa kunze kwenyika, Germany mannesmann seamless boiler tube, pombi mill inounzwa kunze ST45 nekuongororwa kwe ultrasonic yecensus, yakawana kuti nhamba diki yekukanganisa kwemukati kwepombi yesimbi kupfuura iyo standardy steel pombi yeGerman (yeGerman steel pombi). giredhi vari 34 crmo4 uye 12 crmov, etc. Rudzi urwu rwesimbi chubhu yakakwirira tembiricha kushanda zvakanaka, inowanzoshandiswa tembiricha bhaira simbi pombi.(4) alloy chubhu inounzwa kubva Japan zvakawanda, tsanangudzo mm5 426.012 ~ 8 m; 152.48.0 mm12m;89.110.0 mm6m; 101.610.0 mm12m; 114.38.0 mm6m; 127.08.0 mm9m JISG3458 kushandiswa kweJapan indasitiri chiyero, segiredhi resimbi ye STPA25. Iri rudzi rwepombi yesimbi inoshandiswa kuenzanisa neakakwira tembiricha alloy chubhu.

Iyo boiler isina musono chubhu yekugadzira nziraIyo boiler ine rudzi rweseamless chubhu. Nzira dzekugadzira uye chubhu isina musono zvakafanana, asi iva nechikumbiro chakasimba chekugadzira simbi inoshandiswa mupombi yesimbi. Zvinoenderana nekushandiswa kwetembiricha inogona kukamurwa kuita maviri general boiler chubhu uye yakanyanya kudzvanywa boiler chubhu.1, mhedziso ye(1) nzira yekugadzira: (1) general boiler seamless chubhu tembiricha iri pasi pe450 ℃, pombi yemumba inonyanya kushandisa 10, 20 carbon simbi inopisa yakakungurutswa kana inotonhora inodhonzwa chubhu kugadzira. mhute, oxidation uye ngura zvichaitika. Zvinodikanwa zvepombi yesimbi ine simba rakanyanya kutsemuka, yakakwira oxidation corrosion resistance, uye kuve nekugadzikana kwakanaka kwesangano.(2) shandisa:(1) general boiler seamless chubhu inonyanya kushandiswa kugadzira mvura yemudhuri wechubhu, pombi yemvura, superheated steam chubhu, locomotive boiler superheated steam pombi, hombe nediki pombi uye chubhu arch zvidhinha, zvichingodaro. boiler superheater machubhu, reheater chubhu, airway main steam pombi, nezvimwe.

Kushandisa boiler isina musono chubhu

(1) general boiler seamless chubhu inonyanya kushandiswa kugadzira mvura yemadziro chubhu, pombi yemvura, superheated steam chubhu, locomotive boiler superheated steam pombi, hombe nediki pombi uye chubhu arch zvidhinha, etc. machubhu uye GB5310-95 "high pressure boiler seamless simbi chubhu" mutemo. Chitarisiko chemhando: simbi chubhu mukati uye kunze kwepamusoro hazvibvumidzwe kuve nekutsemuka, kupeta, kupeta, mavanga, delamination uye hairline. Izvi zvinokanganisa zvichabviswa zvachose. Bvisa kutsauswa kwakashata, kudzika hakufaniri kudarika zita remadziro ukobvu kucheneswa muukobvu chaihwo hwemadziro hakuzove kushoma pane hushoma hukoshi hwemadziro ukobvu hunobvumidzwa.Weight calculation method of boiler seamless tube theory: – wall thickness (diameter) * 0.02466 * wall ukobvu.