Alumina refractory bọọlụ nwere ezigbo mma nke ike dị elu, ike siri ike, ikike abrasion magburu onwe ya, oke njupụta buru ibu, arụmọrụ dị elu nke okpomọkụ, nguzogide corrosion, obere mmetọ na ihe ndị ọzọ magburu onwe ya. A na-eji bọọlụ alumina mee ihe n'ịmecha na nhazi miri emi dị iche iche nke seramiiki, enamel, iko, kemịkalụ na ihe ndị ọzọ siri ike.
Njirimara nke bọọlụ refractory alumina
- Nguzogide oke okpomọkụ
- Ezigbo Nguzogide Okpomọkụ
- Ike Mechanical dị elu
- Ogologo ndụ ije ozi
Ngwakọta bọọlụ refractory alumina
A na-eme bọọlụ refractory alumina nke AL2O3, kaolin, mkpokọta sịntetik, kristal mullite na ihe ndị ọzọ. Dị ka mpịakọta na usoro ịkpụzi pịa. Aluminom refractory bọọlụ nwere uru nke ike dị elu, ezigbo nkwụsị ọkụ ọkụ, ngbanwe dị mma na nhicha, ogologo ndụ ọrụ na ihe ndị ọzọ.
Usoro bọọlụ Refractory Alumina
Iji mee bọọlụ refractory alumina, a na-etinye electrode na ala nke graphite crucible, na arc nwere ike ịmalite site n'ịgbakwụnye ụfọdụ ihe nrụpụta alumina ntụ ntụ. Na-arụ ọrụ ugbu a 1.0kA, voltaji 80 ~ 100V. Mgbe ọ na-egbu, dị ka Al2O3 gbazere, loading nwayọọ nwayọọ, ruo mgbe ihe mmiri mmiri jupụtara graphite crucible, ihe onwunwe mmiri mmiri okpomọkụ bụ 2200 ~ 2300 ℃. Mgbe nke ahụ gasịrị, a wụsara crucible na ngwọta ya. na-asọpụta.
Nkọwa ngwaahịa Alumina Refractory bọọlụ
| Ihe | Alumina dị elu | Ọkpụkpụ dị ala | Mulite | Corundum |
| Nha (mm) | 40-80 | 40-80 | 40-80 | 40-80 |
| AL2O3(%) | 65 | 70 | 75 | 95 |
| Refractoriness n'okpuru ibu (°C) | 1450 | 1460 | 1530 | 1650 |
| Prọsity pụtara (%) | 25 | 23 | 22 | 18 |
| Njupụta buru ibu (g/cm3) | 2.3 | 2.4 | 2.5 | 3.1 |
| Ike na-etipịa oyi (Mpa) | 13 | 14 | 32 | 36 |
| Mgbochi ujo na-ekpo ọkụ (1100 Celsius Cwater jụrụ oyi) okirikiri ≥ | 15 | 10 | 20 | 7 |
| Ntugharị (°C) | 1710 | 1750 | 1800 | 1800 |
Ngwa nke Alumina Refractory bọọlụ
A na-eji bọọlụ refractory alumina mee ihe n'ịmecha na nhazi miri emi dị iche iche nke seramiiki, enamel, iko, kemịkalụ na ihe ndị ọzọ siri ike. Karịsịa bọọlụ refractory aluminom dabara adaba maka ikuku nkewa akụrụngwa okpomọkụ na-ekpo ọkụ na igwe ọkụ ọkụ gas kpo oku dị ka ihe nchekwa nchekwa ọkụ.
