Silica Brick For Coke Oven CMAX

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Specifications

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

Silica refractory brick for Coke oven

Features of Silica refractory brick for Coke oven:

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 refractory brick for Coke oven:

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 refractory brick for Coke oven

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



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Q:The introduction of silica brick
Acidic silica brick refractory material, has good acid resistance and slag erosion, softening temperature is as high as 1640 to 1670 DEG C, in the long-term use volume is relatively stable under high temperature.
Q:Why in the production of the brick to detect the volume density
Product quality control of silica brick.
Q:What is acid refractory?
Acid refractory material usually refers to refractories with SiO2 content greater than 93%. Its main characteristic is that it can resist acid slag corrosion at high temperature, but it is easy to react with alkaline slag.
Q:The hot blast stove when the temperature did not rise against the brick interface decreased
Insulation of hot blast stove, key insulation silica brick hot stove, hot blast stove is shutdown or need repairing in blast furnace.
Q:The difference between clay refractory bricks and refractory brick in the application.
Brick bearing soft temperature and close to the melting point, high temperature strength, can be in high temperature (above 1400 degrees) under the condition of long-term use, but the anti alkali erosion ability, thermal shock stability is the worst, a scrap. The brick is generally used in the coke oven, glass kiln. Other industries basically do not use.
Q:What is the main material of silica brick
An acid refractory consisting mainly of quartz and square quartz and a small amount of residual quartz and glass.
Q:The high thermal conductivity of silica brick and traditional brick what is the difference?
Tridymite content high thermal conductivity silica brick is 70%, tridymite content of traditional brick is 60%, tridymite content high thermal conductivity of silica brick than tridymite high content of 10% traditional brick,
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: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:How to judge the quality of brick, clay brick, high alumina brick furnace from the appearance?
Mainly depends on the color and density of brick. Another black clay brick and brick with iron oxide formation and how much the size of bricks

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