1.Silica fire brick for coke oven 2.SiO2:95% 3.ISO:9001:2008 4.27 years professional manufacturer 5.MOQ:1MT

 Silica fire brick for hot blast stove 

 

Features of Silica fire brick for hot blast stove:

1. high volume density of 2.35 g/cm3

2. high SiO2 content of 95%

3. low iron content of 0.8%

4. long working life of more than 20 years

Applications of Silica fire brick forhot blast stove:  

The product is made of phosphorus quartz as main raw materials, and cristobalite as auxiliary material, it has high bulk density, strong thermal conductivity, high temperature stability, the long-term use of creep deformation, long service life (more than twenty years). 

Physical and chemical index of Silica fire brick for hot blast stove:

Index	Furnace bottom,furnace wall	Other parts
SiO2    %     ≥	95	95
0.2MPa Refractoriness under load °C  ≥	1650	1650
Linear change on reheating 1450°C×2h %	0~+2	0~+2
Apparent porosity % ≤	22	24
CCS MPa   ≥	30	24
True desity g/cm3   ≤	2.34	2.35
Rate of thermal expansion (1000°C) % ≤	1.28	1.3

 Production processof Silica fire brick for hot blast stove:  

1. Choose high quality silica as main raw materials

2. Inspection: the grain size analysis

3. Mixing: chemical analysis

4.Preforming-blank mechine

5. Drying room

6. Physical analysis, moisture analysis

7.Tunnel kiln

8.Workig shop

9. Finished products

10. Packing

If you have any question please feel free to contact Hattie Yao, wish I could offer you th best service.