Alumina ntụ ntụ/a-alumina Micropowder
Nkọwa
Alumina ntụ ntụ bụ ihe inorganic nwere usoro kemịkalụ Al2O3.Ọ bụ ogige siri ike dị elu nke nwere ebe mgbaze nke 2054 Celsius yana ebe esi 2980 Celsius.Ọ bụ kristal ionic nke nwere ike ionize na okpomọkụ dị elu ma na-ejikarị eme ihe na-emepụta ihe ndị na-emegharị ihe.
Alumina ntụ ntụ bụ alumina Al2O3 ntụ ntụ siri ike, nke a na-emekarị maka α-al2o3 alumina ntụ ntụ, β-al2o3 alumina ntụ ntụ, γ-al2o3 alumina ntụ ntụ dị ka ojiji dị iche.
α-alumina micropowder
α alumina ntụ ntụ nwere ezigbo anụ ahụ na kemịkalụ kwụsiri ike, ike siri ike, na-eyi nguzogide, ike igwe dị elu, mkpuchi, nguzogide okpomọkụ dị elu, obere ọkụ ọkụ, ọnụ ọgụgụ dị ala nke mgbasawanye thermal, ezigbo conductivity thermal na njirimara ndị ọzọ.
A na-ejikarị α alumina eme ihe dị ka ihe abrasive, ihe na-eme ka ike sie ike, ihe mgbagha, ihe na-egbuke egbuke, wdg.
Usoro mmepụta
1. Igwe ihe igwe ihe eji eme ihe: na-enyere aka wepu ihe ndi na-adighi nma, meziwanye ngbanwe nke usoro igba egbe, ma mee ka mmeghachi omume di elu;
2. Ọwara kiln rie nri: na-aga n'ihu ma kwụsie ike mmepụta nwere ike mezue, na a ga-achịkwa okpomọkụ okpomọkụ nke ọma;
3. Igwe ihe igwe bọọlụ Clinker: Ghichaa clinker n'ime nha urughuru achọrọ.
Nkọwapụta
| ngwaahịa nlereanya | Igwe ọkụ dị elu na obere sodium forging usoro | Igwe ọkụ dị elu na obere usoro ọrụ sodium | ||||
| YND 1 | YND 2 | NB 1 | NB 2 | NB 3 | ||
| al203 | > 99.6 | > 99.0 | > 99.6 | > 99.5 | > 99.6 | |
| ọdịnaya adịghị ọcha (%) | Si02 | <0.05 | <0.1 | <0.05 | <0.05 | <0.05 |
| Fe2O3 | <0.03 | <0.05 | <0.03 | <0.03 | <0.03 | |
| Na2O | <0.10 | <0.35 | <0.10 | <0.35 | <0.10 | |
| α- Ọnụego mgbanwe nke usoro (%) | >95 | >94 | >92 | >92 | >93 | |
| Ezi njupụta (g/cm3) | > 3.95 | > 3.94 | > 3.92 | > 3.92 | > 3.93 | |
| Nha kristal nke mbụ (μm) | 3-5 | 3-5 | 0.5-1 | 0.5-1 | 1-2 | |
| Nha urughuru dị (μm) | 4.0 + 0,5 | 4.0 + 0,5 | 2.0 + 0,5 | 2.0 + 0,5 | 2.5 + 0,5 | |
| pụtara | Ọcha ntụ ntụ | |||||
| Nkesa nha akụkụ | ahaziri | |||||
Ngwa
1. Refractory ngwaahịa.High alumina bauxite clinker nwere refractoriness nke ruo 1780 ℃, ike chemical kwụsie ike na ezi anụ ahụ Njirimara.
2. Nkedo nkenke. A na-edozi clinker bauxite ka ọ bụrụ ntụ ntụ dị mma ma mee ka ọ bụrụ ihe ọkpụkpụ maka nkedo ziri ezi.Ejiri ya na ụlọ ọrụ agha, ikuku ikuku, nkwurịta okwu, ngwá ọrụ, igwe na ngalaba akụrụngwa ahụike.
3. Aluminom ụlọ ọrụ.National Defense, ụgbọ elu, ụgbọ ala, ngwa eletriki, kemịkalụ, mkpa kwa ụbọchị, wdg.
4. Aluminom silicate refractory eriri;jiri magnesia na bauxite clinker dị ka ihe eji eme ihe, ájá na bauxite clinker dị ka ihe eji eme ihe, ájá na bauxite clinker dị ka ihe eji eme ihe, ịmepụta ciment bauxite, ihe abrasive, ụlọ ọrụ seramiiki na ụlọ ọrụ kemịkalụ nwere ike ịmepụta ogige dị iche iche nke aluminom.
