Hot Blast Furnace Applied Refractory Silica Brick
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Specifications
refractory silica brick
ISO9001
one of the largesr manufacture
factory price
fast delivery
Hot blast furnace&glass furnace applied refractory silica brick
Introduction of refractory silica brick
Refractory silica brick is dense shaped refractory material and the main materials is SiO2.
Features of refractory silica brick
1) Silicon oxide is above 95%.
2) Good acid glass furnace erosion resistance.
3) High softening point with temperature.
4) No shrink in burn repeatedly.
5) Temperature of refractoriness under load is above 1650º C
Stable Capability, High Quality, Excellent Service, Competitive price is the most important advantage of our products.
Our capacity:
We have 2 tunnel kiln with 168meters length and 25 sets of compressing machine with 300-500tons capacity. with the annual capacity more than 50,000tons .
Application of refractory silica brick
They are widely used for hot blast furnace,coke oven,glass furnace.The products can be made according with the customers' requirement.
Physical and chemican index:
MARK | JG-95 |
---|---|
Bottom, WallOthers | |
SiO2,% ≥ | 95 |
0.2Mpa Refractoriness Under Load , °C ≥ | crystal silica :1650 cementation silica (ShanXi province): 1620 |
Permanent Linear Change after heating(%), 1450°C×2h(P.L.C) | +0.2 0 |
Apparent Porosity(A.P),% ≤ | 22(23)24 |
Cold Crushing Strength(C.C.S), Mpa ≥ | 3025 |
Real Density g/m3 ≤ | 2.342.35 |
Rate Of Thermal Expansion (R.T.E)(1000°C),% ≤ | 1.281.30 |
Residual Quartz (%) ≤ | 1 |
- Q:The chemical composition of silica brick and its physicochemical index?
- Brick refers to the refractory products in more than 93% of the content of SiO2
- Q:Glass kiln brick for physical and chemical indicators?
- Glass kiln with high quality silica brick products according to the standard JC/T615-1996, the single brick is divided into 3 grades: XBG-96, ZBG-96, DBG-96.
- Q:Why is the highest brick coke oven temperature measuring point temperature not exceeding 1450
- Brick belongs to refractory materials, with strong resistance to acid slag or acid solution erosion ability, high load softening temperature are excellent properties of silica brick, usually 1640-1680 C.
- Q:Why is the three oxidation of two silicon is very harmful impurities in silica brick
- Heating calcination is the best way to extend this sort of impurity removal. Remove impurities
- Q:Common bond brick?
- Lime should contain a lot of active CaO, I decompose CaCO3 and MgCO3 not more than 5%, Al2O3+Fe2O3+SiO2 no more than 5%. When the content of large particles, burned Ca-CO3 and over burned lime, the product produced caves, affecting the quality of products.
- Q:What is the effect of the content of silicon nitride in silicon nitride bonded silicon carbide brick on the use of electrobath? Thank you
- Small fluctuations in the chemical composition do not have a significant effect on use. The key is the operation of the electrolyzer in production to determine whether the side wall will be damaged.
- Q:Such purpose and scope please give me detailed points thank you because I am learning stage
- Mainly used for coke oven carbonization chamber and the combustion chamber wall, open hearth furnace regenerator and a sediment chamber, soaking furnace, glass furnace, refractory materials and ceramic brick kiln, kiln vault and other load-bearing parts. Also used for high temperature bearing part of hot blast stove and acid open hearth furnace.
- Q:Physical solid waste disposal
- The production of silicon material is added to the cause of waste brick:Preparation of silica brick pug, a certain amount of waste silica brick used to add ingredients, for the purpose of expansion and stress reduction products during firing
- Q:Why will expand when heated brick
- In the process of SiO2 drying, the four crystalline transformation points of 117, 163, 180~270 and 573 DEG C are found, among which the volume expansion caused by the 180~270 is the largest.
- Q:The high thermal conductivity of silica brick and traditional brick what is the difference?
- The scale quartz is a spear shaped double crystal structure, very compact and favorable to the increase of thermal conductivity. The high thermal conductivity of silica brick in improving thermal conductivity and other performance indicators and traditional coke silicabrick agreement.That is to say, the high thermal conductivity of silica brick all inherited the traditional advantages of coke oven silica brick, on the basis of further highlight the characteristics of high thermal conductivity
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Hot Blast Furnace Applied Refractory Silica Brick
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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