Kev thov rau cov hmoov hlau tau nce siab nyob rau xyoo tas los no, tau tsav los ntawm kev nce qib hauv kev tsim khoom ntxiv, aerospace, tsheb thiab ntau yam kev lag luam. Cov hmoov hlau yog qhov tseem ceeb rau cov txheej txheem xws li 3D luam ntawv, sintering thiab hmoov metallurgy. Ib txoj hauv kev zoo tshaj plaws los tsim cov hmoov no yog los ntawm cov hmoov hlau atomization, txheej txheem uas hloov cov hlau molten rau hauv cov khoom zoo. Tsab ntawv xov xwm no tshawb txog yuav ua li cas hlau hloov mus ua hmoov, tsom rau lub luag haujlwm ntawm cov khoom siv hmoov atomization hauv cov txheej txheem tsim khoom tseem ceeb.
Nkag siab hlau hmoov atomization
Hlau hmoov atomization yog txheej txheem uas hloov cov hlau molten rau hauv cov hmoov zoo. Cov thev naus laus zis tau pom zoo rau nws lub peev xwm los tsim cov hmoov nrog cov khoom me me, cov duab thiab kev faib tawm, uas yog qhov tseem ceeb rau ntau yam kev siv. Cov txheej txheem atomization tuaj yeem raug faib ua ob yam tseem ceeb: roj atomization thiab dej atomization.
Roj atomization
Nyob rau hauv cov pa atomization, cov hlau molten yog nchuav los ntawm lub nozzle thiab atomized los ntawm ib tug high-ceev gas kwj, feem ntau nitrogen los yog argon. Kev txias sai ntawm cov molten droplets ua rau tsim cov khoom hlau. Txoj kev no yog qhov tshwj xeeb tshaj yog rau kev tsim cov hmoov purity siab vim tias cov roj inert txo qis oxidation thiab paug.
Dej atomization
Dej atomization, ntawm qhov tod tes, siv cov dav hlau dej siab kom tawg cov hlau molten rau hauv cov tee dej. Txoj kev no feem ntau siv nyiaj ntau dua thiab tuaj yeem tsim cov hmoov ntau dua. Txawm li cas los xij, nws yuav ua rau qee qhov oxidation, uas tuaj yeem cuam tshuam kev ua haujlwm ntawm cov khoom kawg. Dej atomization feem ntau yog siv los tsim cov hmoov hlau, thaum cov roj atomization nyiam rau cov hlau tsis muaj hlau thiab cov hlau.
Hlau hmoov atomization txheej txheem
Cov txheej txheem ntawm tig hlau mus rau hauv hmoov los ntawm atomization muaj ob peb kauj ruam tseem ceeb:
Melting Cov Hlau: Thawj kauj ruam yog yaj cov hlau los yog hlau nyob rau hauv lub cub tawg. Qhov no tuaj yeem ua tiav siv ntau txoj hauv kev, suav nrog induction melting, arc melting lossis tsis kam melting. Kev xaiv ntawm txoj kev melting yog nyob ntawm hom hlau thiab cov khoom xav tau ntawm cov hmoov kawg.
Atomization: Tom qab cov hlau yog melted, nws raug xa mus rau lub atomization chamber. Nyob rau hauv lub chamber no, cov hlau molten yog raug rau high-pressure gas los yog dej dav hlau, rhuav nws mus rau hauv me me droplets. Qhov loj ntawm cov tee dej tuaj yeem tswj tau los ntawm kev kho lub siab thiab ntws tus nqi ntawm qhov nruab nrab atomized.
Cooling thiab Solidification: Cov tee dej txias thiab khov sai heev thaum lawv dhau los ntawm cov tshuaj tsuag chamber. Tus nqi txias yog qhov tseem ceeb vim nws cuam tshuam rau microstructure thiab cov khoom ntawm cov hmoov nplej. Cov cua txias nrawm dua feem ntau tsim cov khoom me me thiab cov qauv microstructure ntau dua.
Sau thiab Classification: Tom qab solidification, cov hmoov hlau yog sau thiab cais raws li particle loj. Qhov no feem ntau yog ua los ntawm kev tshuaj ntsuam lossis kev faib tawm huab cua. Cov khoom kawg tuaj yeem ua tiav ntxiv, xws li kev sib tsoo lossis sib tov, kom tau txais qhov xav tau qhov loj me me faib thiab cov khoom.
Tom qab ua tiav: Nyob ntawm daim ntawv thov, cov hmoov hlau yuav xav tau kev ua haujlwm ntxiv, xws li txheej txheej los yog kev kho cua sov, txhawm rau txhim kho lawv cov khoom. Cov kauj ruam no yog qhov tseem ceeb los xyuas kom meej tias cov hmoov ua tau raws li cov kev cai tshwj xeeb ntawm daim ntawv thov npaj.
Kev ua haujlwm ntawm hmoov atomization ntaus ntawv
Cov khoom siv hmoov atomization yog ib qho chaw tshwj xeeb tsim los ua cov txheej txheem hlau hmoov atomization kom zoo thiab zoo. Cov chaw tsim khoom no tau nruab nrog cov thev naus laus zis thiab cov cuab yeej siv los ua kom cov hmoov zoo ntau lawm. Nov yog qee qhov tseem ceeb thiab cov yam ntxwv ntawm cov khoom siv hmoov atomization:
1.Qhov cub
Lub plawv ntawm cov khoom siv hmoov atomization yog qhov cub. Tsim los tswj ntau yam hlau thiab alloys, cov cua sov no muab kev tswj xyuas qhov kub thiab txias kom ntseeg tau tias qhov zoo tshaj plaws melting tej yam kev mob. Induction furnaces tau dav siv vim lawv cov kev ua tau zoo thiab muaj peev xwm yaj ntau yam khoom siv.
2.Atomization System
Atomization tshuab yog qhov tseem ceeb rau kev tsim cov hmoov hlau zoo. Qhov no suav nrog cov chav tshuaj tsuag, lub nozzles, thiab cov pa roj lossis dej xa khoom. Lub tshuab thev naus laus zis atomization yog tsim los ua kom zoo dua cov tee me me thiab kev faib tawm, kom ntseeg tau tias cov hmoov zoo sib xws.
3.Cooling thiab Collection System
Tom qab atomization, cua txias thiab sau tshuab ua lub luag haujlwm tseem ceeb hauv kev ntes cov hmoov sib tov. Cov tshuab no feem ntau muaj xws li cyclones, lim thiab hoppers cais cov hmoov los ntawm atomizing media thiab sau nws rau kev ua haujlwm ntxiv.
4.Kev Tswj Xyuas Zoo thiab Kev Xeem
Kev tswj kom zoo yog qhov tseem ceeb hauv kev tsim cov hmoov nplej.Hmoov atomization nroj tsuagfeem ntau muaj mob siab rau lub chaw soj nstuam los kuaj lub cev thiab tshuaj lom neeg ntawm cov hmoov uas lawv tsim. Qhov no suav nrog kev ntsuas particle loj, kev ntsuas morphological thiab tshuaj lom neeg muaj pes tsawg leeg los xyuas kom meej tias cov hmoov ua tau raws li cov qauv kev lag luam.
5.Automation thiab Tswj Systems
Niaj hnub nimno hmoov atomization nroj tsuag yog nruab nrog advanced automation thiab tswj systems uas yuav saib xyuas thiab tswj tag nrho cov txheej txheem ntau lawm. Qhov no ua kom zoo sib xws, txo tib neeg kev ua yuam kev, thiab ua kom muaj txiaj ntsig tag nrho.
Kev siv cov hmoov hlau
Cov hmoov hlau ua los ntawm atomization muaj ntau yam kev siv hauv ntau yam lag luam:
Additive Manufacturing: Cov hmoov hlau yog qhov tseem ceeb rau 3D luam ntawv thev naus laus zis, tso cai rau kev tsim cov geometry nyuaj thiab cov qauv teeb.
Aerospace: Cov hmoov hlau ua tau zoo yog siv rau hauv cov khoom siv hauv aerospace qhov twg lub zog-rau-qhov hnyav piv thiab tsis kam mus rau huab cua yog qhov tseem ceeb.
Automotive: Cov hmoov hlau yog siv los tsim cov khoom siv cav, lub zog thiab lwm yam tseem ceeb uas yuav tsum tau muaj kev ua haujlwm siab thiab ua haujlwm ntev.
Cov cuab yeej kho mob: Biocompatible hlau hmoov yog siv los tsim cov implants thiab prosthetics kom muaj kev nyab xeeb thiab ua tau zoo.
Cov cuab yeej thiab Tuag: Hlau hmoov kuj tseem siv rau hauv kev tsim cov cuab yeej thiab tuag, muab qhov tsim nyog hardness thiab hnav tsis kam.
nyob rau hauv xaus
Tig hlau rau hauv cov hmoov ntawm atomization yog ib txoj kev nyuaj uas ua lub luag haujlwm tseem ceeb hauv kev tsim khoom niaj hnub no. Hmoov atomization nroj tsuag yog nyob rau hauv pem hauv ntej ntawm no technology, muab cov tsim nyog infrastructure thiab kev txawj ntse los tsim high-zoo hlau hmoov rau ntau yam kev siv. Raws li kev lag luam txuas ntxiv txhim kho thiab xav tau cov ntaub ntawv siab dua, qhov tseem ceeb ntawm cov hmoov hlau atomization tsuas yog loj hlob tuaj, ua rau txoj hauv kev rau kev tsim kho tshiab hauv kev tsim khoom thiab cov khoom siv science. Txawm hais tias nws yog aerospace, automotive lossis additive manufacturing, lub neej yav tom ntej ntawm cov hmoov hlau yog ci, uas tau tsav los ntawm lub peev xwm ntawm cov hmoov atomization nroj tsuag.
Post lub sij hawm: Nov-12-2024