High Temperature Silica Refractory Brick for Glass Kiln

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
10000000 m.t./month

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Product Description:

Features:

1.Good acid and erosion resistance, powerful anti high-temperature strength.

2.Soften melting temperature is 1620~1670 °C.

3.Low thermal shock resistance.

4.Natural silica as raw material, plus regular mineralizer.

5.Ensure good bonding and structural strength of furnace.

6.Good heat resistance and long service life.

 

Application:

1.Glass melting furnace, ceramic frit kiln, sodium silicate furnace, soaking furnace, ceramic kiln, etc

2.Coke oven's coking chamber, combustion chamber walls, steel open-hearth's regenerator and sediment chamber, etc.

3.Load-bearing parts of high temperature hot air furnace and acid open-hearth furnace roof, etc.

 

Item

Properties

BG-96A

BG-96B

BG-95A

BG-95B

SiO2,%

96

96

95

95

Fe2O3 ,%

0.8

1.0

1.2

1.2

Melt index,%

Unit weight<20kg< span="">

Unit weight≥20KG

 

0.5

0.6

 

 

0.7

0.7

 

Cold Crushing strength MPa,

Unit weight<2kg< span="">

Unit weight≥20KG

 

35(30)

30(25)

Softening temperature under load,°C

1680

1670

1660

1650

Apparent porosity %

22(24)

Bulk density,g/cm3

1.85-1.9

True density,g/cm3

2.34

2.35

Application

sodium silicate furnace,ceramic frit

furnace ,glass furnace,coking furnace,

metallurgical furnace and other furnaces



High Temperature  Silica Refractory Brick for Glass Kiln

High Temperature  Silica Refractory Brick for Glass Kiln




Q3: Can you offer Door-to-Door delivery?

A3: Yes, but only for some countries such us U.S., UAE, Saudi Arabia, Iran, and Russia, etc.

 

Q4: What is the minimum quantity?

A4: There is no minimum order quantity. Depending on the item and processing, there may be a minimum production required, however we can offer a quotation based only on the quantity you need.

 

Q5: Can you give me a brief introduction of the application of your products?

A5: CNBM (China National Building Material) core refractory business comprises the production, sale and installation of high-grade refractory products, the development and implementation of customized system solutions as well as rendering outstanding services for the key industries in Glass, Iron& Steel, Petrochemical, Cement, Ceramic and Nonferrous Metals.


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Q:Can iron oxide be used as refractory material?
Is widely used in this area. Mentioned refractory material of high school textbooks generally refers to three two aluminum oxide (alumina), alumina is also used as a refractory material, refractory crucible, porcelain, artificial gemstones.
Q:Common bond brick?
Manufacturing for silica brick binder hi-li sulfate pulp waste liquid and lime milk. When lime milk is used as a bond, it acts as a plasticizer. To increase the strength of lime brick in the drying process, as mineralizer in the firing, promote the transformation of quartz.
Q:How to improve the thermal conductivity of the coke silicabrick rate?
The content of SiO2 is 98.23% crystalline silica as raw material, with sulfite pulp liquid as binder, millscale and lime as mineralizer, by Jin Hongshi (TiO2) as additive, can improve the rate of thermal conductivity of silica brick for coke oven. When the rutile content is 1.5%, the coefficient of thermal conductivity of silica brick for coke oven is 2.66W/ (m.k).
Q:The introduction of silica brick?
The characteristics of silica brick: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.The use of silica brick:Mainly used for masonry brick oven carbonization chamber, a combustion chamber and a partition wall, glass furnace and kiln roof, pool wall, high temperature hot blast furnace, glass furnace, load-bearing pool wall, hot blast stove, baking furnace of carbon bearing part of high temperature furnaces etc.. Rongsheng with refractory
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:How much is the highest melting point of silicon?
. True density 2.35g/cm3. With acid resistance, slag erosion performance. Higher high temperature strength. The softening start temperature is 1620~1670 degrees. Long term use at high temperature without deformation. The thermal shock resistance is low (the heat exchange in water is 1~4 times). The natural silica is used as the raw material, and a proper amount of mineralizer is used to promote the transformation of quartz into quartz in the body. Slowly sintered at 1350~1430 DEG C in the reducing atmosphere. The total volume of heating to 1450 DEG about 1.5~2.2% expansion, the residual expansion will make cutting seam sealing, ensure masonry tightness and good structure strength, so that the brick load softening temperature will reach 1750 degrees Celsius above 1620 degrees in the case of the highest melting point.
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:Semisilica brick, clay brick, high alumina brick and what is the difference?
The share of A12O3 and SiO2 is different
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:What role does silica play in refractories?
The natural mineral of silica is called quartz. In refractories, silica and siliceous refractory materials contain more silica. Silica is acidic at high temperature, and siliceous refractory can resist acid slag corrosion

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