Brown Fused Alumina ne mai tauri, kaifi abrasives wanda ya dace sosai don niƙa karafa na ƙarfin ɗaure. Abubuwan da ke cikin thermal sun sa ya zama kyakkyawan abu don amfani da shi wajen kera samfuran refractory. Hakanan ana amfani da wannan kayan a cikin wasu aikace-aikace kamar fashewa da taurin ƙasa.
Daraja | Ƙayyadaddun bayanai | Haɗin Sinadari(F46) | ||||
Al2O3 | SiO2 | Fe2O3 | TiO2 | CaO | ||
Brick Grade* | 0-1,1-3,3-5mm-8+16,-16+30,-30+60 raga,Labarai | ≥95.2 | ≤1.0 | ≤0.3 | ≤3.0 | ≤0.4 |
Castable Grade | 0-1,1-3,3-5mm-8+16,-16+30,-30+60 raga,Labarai | ≥95 | ≤1.5 | ≤0.3 | ≤3.0 | ≤0.4 |
Matsayin Vitrified | F12-F220 | ≥95.5 | ≤1.0 | ≤0.3 | 2.2-3.0 | ≤0.4 |
Guduro & Darajin fashewa | F12-F220 | ≥95 | ≤1.5 | ≤0.3 | ≤3.0 | ≤0.4 |
Micro Grade | Saukewa: P240-P1200 | ≥92-95 | ≤1.0-1.8 | ≤0.3-0.5 | ≤2.2-4.5 | - |
F240-F1000 | ≥88-95 | ≤1.0-2.5 | ≤0.3-0.5 | ≤2.2-6.5 | - | |
Wurin narkewa | 2050 ℃ | |||||
Refractoriness | 1980 ℃ | |||||
Gaskiya yawa | 3.90m/cm3 | |||||
Mohs taurin | 9.00 min |
Abubuwa | Girman | Haɗin Sinadari (%) | ||||
Al2O3 | TiO2 | CaO | SiO2 | Fe2O3 | ||
A AP1 | F4 ~F80 Saukewa: P12P80 | 95.00 ~ 97.50 | 1.70 zuwa 3.40 | ≤0.42 | ≤1.00 | ≤0.30 |
F90 ~F150 Saukewa: P100P150 | 94.50 ~ 97.00 | |||||
F180 ~F220 Saukewa: P180P220 | 94.00 ~ 97.00 | 1.70 zuwa 3.60 | ≤0.45 | ≤1.00 | ≤0.30 | |
F230 ~F800 (P240 zuwa P800) | ≥93.50 | 1.70 zuwa 3.80 | ≤0.45 | ≤1.20 | ≤0.30 | |
F1000-F1200 (P1000-P1200) | ≥93.00 | ≤4.00 | ≤0.50 | ≤1.40 | ≤0.30 | |
Saukewa: P1500P2500 | ≥92.50 | ≤4.20 | ≤0.55 | ≤1.60 | ≤0.30 | |
AB da AP2 | F4 ~F80 Saukewa: P12P80 | ≥94.00 | 1.50 zuwa 3.80 | ≤0.45 | ≤1.20 | ≤0.30 |
F90 ~F220 Saukewa: P100P220 | ≥93.00 | 1.50 zuwa 4.00 | ≤0.50 | ≤1.40 | - | |
F230 ~F800 (P240 zuwa P800) | ≥92.50 | ≤4.20 | ≤0.60 | ≤1.60 | - | |
F1000-F1200 (P1000-P1200) | ≥92.00 | ≤4.20 | ≤0.60 | ≤1.80 | - | |
Saukewa: P1500P2500 | ≥92.00 | ≤4.50 | ≤0.60 | ≤2.00 | - | |
AS | 16 zuwa 220 | ≥93.00 | - | - | - | - |
Brick/ Vitrified Grade BFA: Ana samar da shi ta amfani da Bauxite na musamman a cikin sigogin haɗakarwa. Wannan matakin ya dace da samfuran Bricks/ Vitrified don hana fashewa / fissures, ramuka da baƙar fata a ƙarshen samfurin.
Brown Fused Alumina ana samar da shi ta hanyar narkewar Calcined Bauxite a cikin tanderun baka na lantarki a yanayin zafi sama da 2000°C. A jinkirin ƙarfafa tsari yana biye da haɗuwa, don samar da lu'ulu'u masu toshewa. Taimakawa mai narkewa a cikin cire ragowar sulfur da carbon, Madaidaicin iko akan matakan Titania yayin aiwatar da haɗakarwa yana tabbatar da mafi kyawun taurin hatsi.
Sannan ana ƙara murƙushe ɗanyen da aka sanyaya, a tsaftace shi da ƙazanta na maganadisu a cikin manyan masu raba maganadisu mai ƙarfi kuma a rarraba su zuwa kunkuntar girman juzu'i don dacewa da ƙarshen amfani. Layukan sadaukarwa suna samar da samfurori don aikace-aikace daban-daban.