Silica Brick for Light Weight Glass Furnace

Silica Brick for Light Weight Glass Furnace System 1

Silica Brick for Light Weight Glass Furnace

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 15 m.t.

Supply Capability:: 30000 m.t./month

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General Information

The silica brick can be widely used in coke oven, hot blast furnace, glass furnace and carbon furnace. In glass industry, it is mainly employed to build the doghouse crown, suspended wall of channel, top crown and inlet sealing. In metallurgy industry, it is adopted as the nozzle brick

Features

Light weight fused silica refractory for hot blast furnaceWith dense and smooth appearance, uniform corner and edge, pure color and luster and accurate size

1)Good acid erosion resistance.

2) High softening point with temperature.

3) No shrink in burn repeatedly.

Stable Capability, High Quality, Excellent Service, Competitive price is the most important advantage of our products

Applications:

Light weight silica bricks are primarily used for furnaces and kilns in metallurgy, steel, power, chemical industry, and electric power and machine building etc areas

Physical & chemical indexes

Item Brand Index	Light weight silica brick
Item Brand Index	QG-1.2
SiO2≥	91
Refractoriness	1670
RUL(0.2 MPa)T1, °C	1560
Apparent Porosity%≤	≥45
Cold Crushing Strength Mpa ≥	3.5
True Density g/cm3 ≤	2.39
Bulk Density g/cm3 ≤	1.20

Our factory product various kinds of refractory products. The products can be made according with the customers' requirement

$Light Weight Silica Refractory Brick for Glass Furnace$

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: 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: The introduction of silica brick: Brick refers to the content of more than 93% products SiO2. Brick with SiO2 content of not less than 96% of silica as raw materials, adding mineralizer and binder, through mixing, molding, drying, sintering and other processes in the system. The higher the content of SiO2 in silica raw material, the higher the refractoriness of the product. According to the use of brick varieties, divided into: coke oven silica brick, brick for hot blast stove, electric stove with brick, brick for glass furnaces. According to the transformation is divided into: standard bricks, tiles, bricks and general special brick etc..

Q: What is acid refractory?: Refractory materials are mainly quartz glass products, combined with fused quartz products, silica brick and unshaped refractories. Semi siliceous refractory materials are generally attributed to this category. As for fireclay refractories, they are also classified as semi acidic or weakly acidic refractories. Also, zircon refractory and silicon carbide refractory for special acidic refractory materials are also classified into this category.

Q: Such purpose and scope please give me detailed points thank you because I am learning stage: Acid refractory brick is mainly composed of tridymite and cristobalite and quartz and a small amount of residual glass phase.

Q: The brick is mainly used in the place?: 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.

Q: Can not use it two brick: Acidic silica brick refractory material, has good ability in acid slag erosion

Q: 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: Fast density test, please consult an instrument.

Q: The formula in the refractory brick, and firing curve, who knows?: Iron scale powder 0.45-0.55%, cement 0.9-1.1%, lime milk 6.5-7.5%, pulp 1.95-2.2%, the silica powder, perlite will be added to the wet mill in proportion, and then add iron scale powder, cement, dry roller 1-2 minutes later

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