Pombi yesimbi inoumbwa inoumbwa nezvinhu zviviri (kana kudarika) zvakasanganiswa kuita imwe kuburikidza nenzira dzetekinoroji kuitira kuti ive nehunhu hwakakwana Pombi yesimbi itsva yeBonde.Kubva kuma1960s, Japan, United States, Germany, United Kingdom nedzimwe nyika dzakaisa kukosha kukuru pakuvandudzwa kwepombi yesimbi inoumbwa, inoumbwa nesimbi pombi zvigadzirwa musimba, kuvaka ngarava, makemikari, peturu nemichina nemimwe minda yave yakawanda. kushandiswa.
Composite simbi pombi inoumbwa nezvinhu zviviri (kana kupfuura) zvakasanganiswa kuita imwe kuburikidza neimwe nzira yetekinoroji kuitira kuti ive nehunhu hwakakwana.
Kubva kuma1960, Japan, United States, Germany, United Kingdom nedzimwe nyika dzakaisa kukosha kukuru mukugadzirwa kwesimbi inoumbwa.PTFE mutsetse pombi, composite simbi pombi zvigadzirwa musimba, shipbuilding, makemikari, peturu uye muchina nemimwe minda zvakashandiswa zvikuru.Composite simbi chubhu processing tekinoroji inonyanya kusanganisira rolling, kukanda, extrusion, brazing, welding uye zvichingodaro.
- 1.Application range ye composite simbi pombi
Iyo yekubatanidza maitiro emhando mbiri dzeimwe layer zvinhu zve composite simbi yakamisikidzwa pombi zvakakwana zvinoenderana nezvinodiwa zvekushandisa uye hunhu hwezvakatipoteredza.Iyo yekutanga simbi pombi ine simba rakawanda uye kusimba, mutengo wakaderera uye yakanaka maitiro ekuita.Iyo yakavharwa simbi pombi ichave yekuoma kwepamusoro uye inokwanisa kurwisa kuparara kwepakati pezvakatipoteredza.Iyi layer inogona kunge iri mukati memukati wecomposite simbi pombi (yemukati composite pombi) kana yekunze layer (yekunze inoumbwa pombi) .Maererano nemhando yekushandiswa inogona kukamurwa kuita kemikari kushandiswa kwepombi yemvura yegesi, pombi yemafuta negesi nemafuta. tsime pombi, bhaira, tsvina yekupisa ine akawanda chubhu, pombi yekupisa kupisa, nekupfeka kuramba, corrosion kuramba chimiro chine akawanda chubhu uye yekuvaka yekushongedza pombi, nezvimwewo, nekuenderera mberi kwekusimudzira pombi tekinoroji yekushandisa, huwandu hwemashandisirwo emusanganiswa. pombi ichawedzerwa kune yakawanda yakapamhama application minda.
- 2. Nzira yekugadzira yecomposite simbi pombi
Mapombi esimbi anoumbwa anogona kupatsanurwa kuita mhando mbiri, bimetallic uye kaviri-layer, zvichienderana neyakasanganiswa mamiriro ekubatana kwemhando mbiri dzemapombi esimbi.Iyo composite simbi pombi ine yekubatanidza interface yemukati uye yekunze layer yakabatana ne metallurgical bonding degree inonzi bimetallic pombi, nepo kusangana kwemukati nekunze kwesero kunongosvika kumakinika kubatana, uye iyo composite simbi pombi ine longitudinal chikamu chikamu uye layer yakaparadzaniswa zvakasununguka. inonzi double layer pipe.Kune dzakawanda dzakasiyana nzira dzekugadzira mapaipi esimbi anoumbwa, imwe neimwe ine maitiro ayo uye chiyero chekushandisa.
- 2.1 Kupisa kushanda maitiro
Munzira iyi, yakajairwa kabhoni simbi billet inoshandiswa sesimbi yekunze, gomba repakati rinoboorwa, uye simbi isina tsvina kana nickel alloy rod inoshandiswa seyemukati layer.Yekunze inovimbisa zvimiro zvepombi inoumbwa, iyo yemukati pombi corrosion zvinodiwa, kana bhari uye billet pamusoro mushure memukati megomba pakachena, ichavhara yakamisikidzwa billet gomba repombi, welding inosimbisa magumo echubhu billet, shandisa level. yeyakaderera frequency induction coil kudzora kupisa, mushure mekupisa kuisa tembiricha, mu 1 600 t inopisa punch pamushini we vertical hydraulic punching muchina, pombi billet mune denderedzwa perforation mode uye axial compressed gauge denderedzwa perforation, mushure mekupisa perforated chubhu billet, bar. uye hwaro zvinhu kune metallurgical musanganiswa.Iyi nzira inoshandiswa neTubacex, kambani yeSpanish yakawedzera simbi pombi, kugadzira mapaipi esimbi anosanganiswa ane madhayamita ekunze e60 · 3 uye 219 · Imm.Ukobvu hwepombi inodzivirira kuparara kwepombi inowanzoita 10% kusvika 0% yehupamhi hwese hwepombi yakasanganiswa yepombi, kazhinji iri pakati pe2 cm uye 1 cm pane zvishoma.
- 2.2 Composite simbi ndiro welding nzira
Iyi nzira inogona kushandiswa kugadzira mapaipi esimbi anosanganisirwa emafuta negasi ekufambisa mapaipi ane madhayamita akakura kupfuura 300mm. Iyo inoumbwa ndiro yesimbi yakakungurutswa muchubhu billet neUO process, yobva yaiswa musono longitudinal.The process flow of composite steel pombi inogadzirwa nenzira iyi ndeiyi: longitudinal seam welding - pombi kuwedzera - kupisa kurapwa kwesimbi sheet i-jo kugadzira billet.
- 2.3 Cold process diffusion annealing
Iyo chubhu mabheti emhando dzakasiyana anogadzirwa kuita inotonhora-yakakungurutswa kana inotonhora-inodhonzwa seamless machubhu zvichiteerana.Bhandi rakatetepa rakaderera rakanyunguduka rinotenderedzwa nechekunze kwemukati mechubhu mabhiliti.Mushure mekudhirowa kunotonhora, kupisa-kupisa kupararira annealing kunoitwa.Hunhu hwekuumbwa kwesimbi yakamisikidzwa pombi yekukodzera inogadzirwa neichi nzira ndeyekuti muganhu wekubatana unonyatsojeka uye kunyange.Nekuda kwekuwedzera kwekunyungudika kwakadzika kwesimbi simbi pakati pezvisungo zviviri zvekubatanidza, simba rayo rekusunga rinenge rakakwirira, kazhinji rinopfuura 300MPao.Iyo yakaderera inonyungudika simbi gasket zvinhu zvinowanzova Ni - P alloy, uye kunyunguduka kwayo kwekushisa kunoderera nekuwedzera kwezviri mukati P. Mamwe magaskets aya B (1, 4Wt%), Si (kusvika ku9Wt%), cr. (kusvika ku30Wt%) iron - kana ni-based alloys.Iyo yekunyunguduka kweiyo gasket zvinhu inofanira kunge yakaderera pane iyo yekunze base chubhu uye yemukati chubhu.Iyo composite simbi chubhu inogadzirwa neichi maitiro inogona kutsungirira kukotama kuumbwa, uye kurongeka kwayo kwedimensional uye mhando yepamusoro inogona kusangana nezvinodiwa zvakajairwa.
Nguva yekutumira: Kubvumbi-21-2016