Ruzivo rwehukuru hweDiamondi Powder Particle

Zvinhu zvedhaimani, sezvinhu zveupfu zvemhando yepamusoro, hazvingotsanangurwi chete nemakemikari, asiwo nehukuru hwezvinhu zvemuviri. Izvi zvinosanganisira saizi yezvikamu, chimiro chezvikamu, nzvimbo chaiyo yenzvimbo, chimiro chepore, hunhu hwechaji yemagetsi, pamwe nekuwanda kwehuwandu uye kugona kuyerera. Pakati peizvi, kugoverwa kwehukuru hwezvikamu ndeimwe yematanho akakosha mu Upfu hwedhaimani kugadzirwa uye kushandiswa.

1. Kurongwa kwehukuru hwemadhaimani

Zvidimbu zvedhaimani zvinogona kupatsanurwa muzvikamu zvinotevera zvehukuru:

• Zvidimbu zveNanometer (1–100 nm)
• Zvidimbu zve submicron (0.1–1 μm)
• Zvidimbu zve micron (1–100 μm)
• Zvidimbu zvakakora (100–1000 μm)

Saizi yega yega inoshandiswa mumaindasitiri akasiyana siyana, akadai sekupukuta nemazvo, kukuya, kucheka, uye kusimbisa zvinhu zvakasiyana-siyana.

2. Nzira Dzakajairika Dzekuyedza Saizi Yezvikamu

Kune nzira dzakasiyana siyana dzinoshandiswa zvakanyanya pakuyera saizi yehupfu hwedhaimani:

1. Nzira yeLaser Diffraction(inoshanda kune nano, micron, uye zvidimbu zvakakura)
2. Kupararira kweChiedza Chinochinja (DLS)(zvikurukuru zve nanoparticles)
3. Kuongorora Mufananidzo Wakasimba uye Unochinja(micron range, inopawo ruzivo rwechimiro chezvidimbu)
4. Nzira dzeKukwevera Simba reMagetsi neCentrifugal(micron ne nano particles)
5. Coulter Counter (Nzira Yekudzivirira Magetsi)(zvidimbu zve micron)
6. Electron Microscopy (SEM/TEM)(kutarisa chiyero che nano uye micron)
7. Nzira yeUltrasonic(zvidimbu zve micron)
8. Nzira yeKubvumira Mhepo Kupinda(huwandu hwe micron, avhareji yehukuru hwezvimedu)
9. Kuongorora kweSefa(kazhinji kune zvidimbu zvakakura kupfuura 38 μm)

Pakati peizvi, nzira dzinonyanya kushandiswa mukugadzira Boreas ndedzinoti kuongorora kwe laser diffraction, kupararira kwechiedza chinoshandukauye kuongorora mifananidzo yemaziso/microscopic.

3. Chii chinonzi D50 (Medium Particle Size)?

D50zvinoreva dhayamita yezvikamu apo 50% yehuwandu hwezvikamu zvinounganidzwa inosvikwa. Inozivikanwawo se saizi yepakati yezvikamu.

Semuenzaniso, kana muenzaniso uine D50 = 5 μm, zvinoreva:

• 50% yezvikamu zvakakura kupfuura 5 μm
• 50% yezvikamu zvidiki pane 5 μm

D50 ndeimwe yezviratidzo zvakakosha uye zvinoshandiswa zvakanyanya mukugadzirwa nekushandiswa kwehupfu hwedhaimani, uye inowanzoshandiswa kumiririra saizi yepakati pezvikamuyezvinhu zvacho.

4. Chii chinonzi D97 (Coarse Particle Indicator)?

D97zvinoreva saizi yezvikamu apo 97% yekugoverwa kwezvikamu zvinosvika.

Izvi zvinoreva:

• 97% yezvikamu zvidiki pane D97
• 3% yezvikamu zvakakura kupfuura D97

D97 inowanzoshandiswa kuongorora kugoverwa kwemagumo akaomararayeupfu hwedhaimani. Mumabasa emaindasitiri, vamwe vatengi vanodawo D95, D97, kana D98kudzora zvakasimba kuvapo kwezvidimbu zvakakura.

5. MaParamita Akakosha Mukuongorora Kugoverwa Kwehukuru hweParticle

Kavha yekugovera saizi yezvikamu yakazara inowanzo sanganisira zvinotevera:

• Avhareji (Avhareji yehukuru hwezvimedu):Avhareji yehukuru hwese hwesystem
• Pakati (D50):Kukosha kwepakati kwekugoverwa kwezvikamu
• Modhi (Saizi yepamusoro):Saizi yezvikamu ine frequency yakanyanya
• D10:Saizi yezvikamu zvinosvika 10% yekugoverwa kwezvikamu
• D50:Saizi yezvikamu zvinosvika 50% yekugoverwa kwezvikamu
• D90:Saizi yezvikamu zvinosvika 90% yekugoverwa kwezvikamu

Maparamita aya pamwe chete anopa kunzwisisa kwakazara kwehupamhi hwekugoverwa kwezvikamu, kufanana, uye kuenderana.

6. Chimiro cheKugoverwa kweSaizi dzeZvidimbu (D10 / D50 / D90)

Mune curve yakajairika yekugoverwa kwehukuru hwezvikamu:

• D10inomiririra mugumo wakanaka wekugoverwa
• D50inomiririra poindi yepakati
• D90inomiririra mugumo wakaoma wekugoverwa

Hukama huripo pakati peD10, D50, neD90 hunoshandiswa zvakanyanya kuongorora hupfu hwedhaimani hwakafanana uye hunhu hwepamusoro.

Kuongororwa kwehukuru hwezvikamu chinhu chakakosha pakudzora hunhu hwezvigadzirwa zveupfu hwedhaimani. Kuyera nekududzira kwakarurama zviratidzo zvakaita seD10, D50, uye D90 zvinovimbisa kushanda kwakaringana mukukwesha, kukuya, uye machining nemazvo.