Particle saizi yekugovera analsis yehupfu hwekuputira

Particle size distribution analsis ye powder coating

laser particle size analyzer bvunzo mhinduro:

Avhareji yehukuru hwepakati (yepakati dhayamita), muganho wehukuru hwechikamu uye hukuru saizi kugovera yekupararira.

1. Avhareji saizi yemuenzaniso ishoma pane uye yakakura kupfuura 50% yezvimedu.
2. Muganhu particle size: padhuze kune yakajairika pfungwa kune iyo yakanyanya uye shoma saizi yechikamu. Nekudaro, iyo yakakwira uye yakaderera saizi yekutsanangura iyo yepamusoro uye yakaderera miganho yesample particle saizi unscientific, ijeni.rally the muganhu particle size, yakadai se (D10, D90) = (8,60), inomiririra isingasviki 8 microns muhupamhi zvidimbu zvakaverengerwa 10% uye 90%, nhamba yezvimedu zviduku kudarika 60 microns muhupamhi.
3. Kupararira kwechikamu chehukuru hwekugovera = (D90-D10) / D50, kupararira, iyo idiki iyo particle size yekugovera yakanyanya kutetepa, yakakura uye idiki kwazvo nhamba yezvimedu mudiki particle size iyo yakakwira iyo yekumisikidza.

Hukama huri pakati pe particle size uye hupfu hwemhando:

Particle saizi kugovera uye magadzirirwo emufirimu, kutsvedzereka, kupenya, mhedzisiro yechikamu, mhenyu mhedzisiro, poda fluidization, kugadzikana kwekuchengetedza uye hupfu hwekudzoreredza mwero wakabatana zvakanyanya.

1. Kutaridzika, kuenzana, uye chidimbu: Mune general, iyo diki yehupfu particle size, zviri nani kutsetseka mukurapa kwepende; iyo yakafanana yekuputira ukobvu, diki diki saizi yehupfu haisi nyore kuoneka chidimbu; kutaridzika kwejasi kunowedzera kutsetseka, kutsetseka.
2. mhenyu mhedzisiro uye goho rehupfu: Inobhadhariswa kuvandudza hupfu hwehupfu, hupfu hwekuputira hupfu pachiyero huchawedzerwa. Iyo huru adsorption simba re electrostatic spraying electrostatic poda, goho reupfu zvinoenderana nehuwandu hwehupfu hwakachajiswa. Hupfu hune simba uye hupfu particle size inoenzana neskweya. Wedzera saizi yehupfu, hupfu nekudyiwa kwakanyanya, chiyero chehupfu. Saizi yehupfu yakakurisa, yakakura kwazvo particle size, giravhiti yehupfu hombe pamusoro peaerodynamic uye electrostatic poda coating panguva yekubhururuka, yanga ichidonha nekuda kwegiravhiti isingasviki pamusoro, asi kugadzira hupfu. Powder yakanyanyisa yakachajiswa yakaderera coating application inoshanda ichadonha, Ultra-fine poda (particle size <10μm) haararami panguva imwe chete iyo hupfu hwakanyanya kunaka zvakare yakawedzera kuoma kwekugadzira hupfu.
3. Iyo poda inoyerera mhedzisiro: Iyo poda idiki zvakanyanya, idiki yakawandisa poda inotakura iyo yakabatanidzwa yehupfu regiment, kuyerera hakuzopararira. Kana yakapfapfaidzwa paworkpiece kuti iite yakapfava uye diki, inokanganisa kupfekedza chitarisiko. Kana hupfu hwakanyanyisa hupfu hwehupfu hwehupfu haisi nyore fluidization.
4. Kugadzikana kwekuchengetedza: Kugadzikana kunoreva hupfu hwekuputira pasi pemamwe mamiriro ezvinhu, kuchengetedza hupfu hwehupfu, chimiro uye kuoma kukwanisa, kureva, kana hupfu huri mukuchengetedza kana kushandiswa huchatora unyoro, kuitika kwezviitiko zvakadai sehupfu caking. Kazhinji yakawanda yakatsetseka poda, kunyanya ultrafine upfu kugutsikana isingasviki 10μm yakawandisa upfu nyore kusveta mwando, mapfundo mapoka, kuderera kugadzikana, achavhara pfuti, pfira upfu zvakaipa.
5. Chiyero chekudzoreredza: Powder coating yekugadzira chirimwa uye poda yekupotera pendi chirimwa pane nyaya yekudzokorodza poda yekupotera, kazhinji, saizi yehupfu <10μm yekupedzisira-yakanaka poda yekudzoreredza mwero yakaderera, kana hupfu hwehupfu saizi> 10μm pm hupfu hwekufukidzira kupora. chiyero ichikwira nekukurumidza, uye hupfu Mutengo wekudzoreredza wakawedzera sezvo chiyero chechikamu chinowedzera.

Powder coating kuita kukosha kweiyo particle size yekuona ndiyo yakafanana fomula, kutungamira kwekugadzirwa kwehupfu, kuita kwehupfu kuti uwane optimization yakanyanya.