Ọdịcha Magnesium-Aluminom Spinel akara ule: Sma-66, Sma-78 na Sma-90. Usoro Ngwaahịa Sintered Spinel
- Magnesium aluminate spinel siri ike
- Magnesia spinel clinker
- synthesize spinel
Nkọwa dị mkpirikpi
Atụmatụ
• Junsheng dị ọcha magnesium-aluminom spinel nwere njirimara ndị a:
• Nguzogide dị elu;
• ezigbo elu okpomọkụ olu kwụsie ike;
• Nguzogide dị mma maka corrosion slag alkaline na ntinye;
• Nkwụsi ike nke okpomọkụ dị mma.
| ITEM | UNIT | Ụdị | ||||
|
|
| SMA-78 | SMA-66 | SMA-50 | SMA90 | |
| Ngwakọta kemịkalụ | Al2O3 | % | 74-82 | 64-69 | 48-53 | 88-93 |
| MgO | % | 20-24 | 30-35 | 46-50 | 7-10 | |
| CaO | % | 0.45 kacha | 0.50 kacha | 0.65 kacha | 0.40 kacha | |
| Fe2O3 | % | 0.25 kacha | 0.3 kacha | 0.40 kacha | 0.20 kacha | |
| SiO2 | % | 0.25 kacha | 0.35 kacha | 0.45 kacha | 0.25 kacha | |
| NaO2 | % | 0.35 kacha | 0.20 kacha | 0.25 kacha | 0.35 kacha | |
| Nnukwu njupụta g/cm3 | Nkeji 3.3 | Nkeji 3.2 | Nkeji 3.2 | Nkeji 3.3 | ||
| Ọnụọgụ mmiri na-amị amị% | 1 max | 1 max | 1 max | 1 max | ||
| Ọnụọgụ porosity% | 3 max | 3 max | 3 max | 3 max | ||
'S' ----n'ime; F ---agwakọta ; M------magnesia; A----alumina; B---- bauxite
Mineral spinel nwere mmetụta dị mkpa na ihe ndị dị elu nke okpomọkụ nke ihe ndị na-emegharị emegharị. Dị ka ihe atụ, n'ihi na obere okpomọkụ mgbasa ọnụọgụ nke spinel (α = 8.9x10-*/ ℃ na 100 ~ 900 ℃), a na-eji spinel mee ihe dị ka onye na-ejikọta ya (Ma ọ bụ nke a na-akpọ cementing phase, matrix), brik magnesia-alumina na periclase. dị ka akụkụ kristal bụ isi, mgbe okpomọkụ na-agbanwe nke ọma, nrụgide dị n'ime ahụ na-emepụta dị ntakịrị, na brik adịghịkwa mfe imebi, ya mere enwere ike imeziwanye nkwụsi ike nke brik (magnesia-alumina brik Nkwụsi ike nke okpomọkụ bụ 50 ~ 150). ugboro).
Tụkwasị na nke ahụ, n'ihi na spinel nwere ihe ndị dị mma dị ka isi ike dị elu, ihe ndị na-edozi ahụ na-esi ike, na ebe mgbaze dị elu, ma na-eguzogide ọgwụ corrosion site na agbaze dị iche iche na okpomọkụ dị elu, ọnụnọ nke mineral spinel na ngwaahịa emeela ka arụmọrụ dị elu nke okpomọkụ dị elu. ngwaahịa.
Isi ihe mere na elu-okpomọkụ ibu rọrọ okpomọkụ nke magnesia-alumina brik (malite ebe bụ bụghị ihe na-erughị 1550-1580 ℃) dị elu karịa nke magnesia brik (mmalite n'okpuru 1550 ℃) bụ na matriks mejupụtara dị iche iche. .
Iji chịkọta ọnụ, spinels bụ ihe magburu onwe ya n'ihe gbasara ebe mgbaze, mgbasawanye ọkụ, ike siri ike, wdg, nwere ihe ndị na-edozi ahụ na-edozi ahụ, nguzogide siri ike na nkwụsị nke alkaline slag, na iguzogide ikuku ígwè gbazere. .
Ozi bụ isi
Junsheng elu-dị ọcha magnesium-aluminom spinel usoro na-eji alumina dị ọcha na magnesium oxide dị ọcha dị ka ihe eji eme ihe, a na-agbanye ya na okpomọkụ dị elu. Dị ka dị iche iche chemical mejupụtara, ọ na-ekewa atọ akara ule: SMA-66, SMA-78 na SMA-90. Usoro ngwaahịa.
Junsheng elu-dị ọcha magnesia-aluminom spinel nwere ọdịnaya adịghị ọcha dị oke ala yana arụmọrụ dị elu dị elu. Spinel dị elu dị ọcha dabara adaba maka akụkụ ndị a kpụchara akpụ dị ka brik na-eku ume, brik oche, ladles, ihe mkpuchi ọkụ ọkụ eletrik, ihe nkwụghachi azụ maka rotary kilns, na ihe mgbagha maka ịgbaze alloys. ngwaahịa, yana usoro nhazi nke nwere spinel.
Ngwaahịa nwere ike inye aka melite nguzogide corrosion slag nke ihe ntughari, ma dozie nsogbu nke mgbawa ihe na-akpata site n'ịgbakwunye akụrụngwa magnesium.
