Refractory ọkwa- Alumina na-emeghachi omume
Ụdị Njirimara | Ngwakọta kemịkalụ (irighiri oke)/% | α- Al2O3/% Ọ dịghị ihe na-erughị | dayameta nke etiti irighiri D50/μm | +45μm ọka ọdịnaya/% Ọ dịghị ihe na-erughị | ||||
Al2O3ọdịnaya abụghị obere karịa | Ọdịnaya adịghị ọcha, ọ bụghị karịa | |||||||
SiO2 | Fe2O3 | Na2O | Ọnwụ ọkụ | |||||
JST-5LS | 99.6 | 0.08 | 0.03 | 0.10 | 0.15 | 95 | 3–6 | 3 |
JST-2 LS | 99.5 | 0.08 | 0.03 | 0.15 | 0.15 | 93 | 1 3 | - |
JST-5 | 99.0 | 0.10 | 0.04 | 0.30 | 0.25 | 91 | 3–6 | 3 |
JST-2 | 99.0 | 0.15 | 0.04 | 0.40 | 0.25 | 90 | 1 3 | - |
Reactive aluminas na-akpan haziri maka mmepụta nke elu arụmọrụ refractories ebe kọwaa urughuru mbukota, rheology na-agbanwe agbanwe ọnyịnye e ji mara ndị dị mkpa dị ka elu anụ ahụ Njirimara nke ikpeazụ ngwaahịa. Alumina na-arụ ọrụ na-agbadata n'ụzọ zuru oke ruo kristal bụ isi (otu) site na usoro egweri nke ọma. Nkezi urughuru nha, D50, nke mono-modal reactive aluminas, bụ ihe fọrọ nke nta ka ọ hà dayameta nke otu kristal ha. Nchikota reactive aluminas na ndị ọzọ matrix components, dị ka tabular alumina 20μm ma ọ bụ spinel 20μm, na-enye ohere akara nke urughuru size nkesa iji nweta chọrọ ọnyịnye rheology.
Alumina na-arụ ọrụ sitere na sub-micron ruo nha micron 3. Nkesa nha nke urughuru, sitere na mono-modal ruo bi-modal na multi-modal, na-enye ohere mgbanwe zuru oke na nhazi nhazi ma nye mma nke aluminom na-emekọ ihe ọnụ.
The reactive alumina micro-powders, mere site pụrụ iche sintering usoro, egweri usoro na multistage ike size nkewa, nwere elu ịdị ọcha, ezi ahụ irighiri size nkesa na magburu onwe sintering ọrụ, nke kwesịrị ekwesị maka ngwa na mmepụta nke elu arụmọrụ refrac-tory ihe. , na electronic ceramics ngwaahịa .The reactive alpha alumina micropowerd nwere ike na-achịkwa nke ọma na urughuru size nkesa na nso nke submicron, na-eduga na-na magburu onwe ọka mbukota njupụta ọma rheological onwunwe na mụ workability nakwa dị ka ezi sintering ọrụ, nke na-egwu pụrụ iche. ọrụ na refractory:
1. Site n'ịkwalite mkpokọta urughuru iji belata mgbakwunye mmiri
2. A na-eme ka ihe mgbochi na-eyi na ike arụ ọrụ dịkwuo mma site n'ịmepụta usoro njikọ seramiiki siri ike;
3. A na-eme ka arụmọrụ dị elu nke ngwaahịa ahụ dịkwuo mma site n'iji dochie ntụ ntụ dị mma na obere refractoriness.
Enwere ike iji ntụ ntụ a-alumina na-arụ ọrụ na nkedo ladle, ihe nkedo BF, plọg na-ekpochapụ, ihe mgbochi oche, ihe nkedo alumina nke na-asọpụta onwe ya, na ngwakọta egbe, nke emepụtara na-ezo aka na ụkpụrụ nke ụlọ ọrụ Transnational. Ndị a powders nwere ala adịghị ọcha, ezi uche urughuru size nkesa na reactivity, na-enye castables ọma flowability, obere diatancy, kwesịrị ekwesị na-arụ ọrụ oge, ok Ọdịdị na magburu onwe ike, na
e bugara ya na Japan, USA na Europe.
The n'ụzọ zuru ezu n'ala reactive aluminas na-pụrụ iche e mere maka mmepụta nke elu arụmọrụ refractories, ebe kọwaa urughuru mbukota, rheology na-agbanwe agbanwe ọnyịnye e ji mara ndị dị mkpa dị ka elu anụ ahụ prop-erties nke ikpeazụ ngwaahịa.
Arụmọrụ ngwaahịa
The ukwuu achịkwa ezi urughuru size nkesa ala na sub-micron nso na ha magburu onwe sintering reactivity na-enye Reactive Aluminas pụrụ iche ọrụ na refractory formulations.
Nke kachasị mkpa bụ:
• Belata ịgwakọta mmiri nke monolithic refractories site na-enyere aka ebuli urughuru mbukota.
• Na-abawanye nguzogide abrasion na ike igwe site n'ịmepụta njikọ seramiiki siri ike.
• Dịkwuo elu okpomọkụ n'ibu arụmọrụ site nnọchi nke ndị ọzọ superfine ihe nke ala refractoriness.
Nkwakọ ngwaahịa:
25KG / akpa, 1000kg / akpa ma ọ bụ ndị ọzọ kpọmkwem mbukota dị ka onye ọrụ chọrọ.