$Silica Fire Brick - Acid Resistant Refractory Glass Furnace Silica Brick System 1$
$Silica Fire Brick - Acid Resistant Refractory Glass Furnace Silica Brick System 2$
$Silica Fire Brick - Acid Resistant Refractory Glass Furnace Silica Brick System 3$

$Silica Fire Brick - Acid Resistant Refractory Glass Furnace Silica Brick$

$Silica Fire Brick - Acid Resistant Refractory Glass Furnace Silica Brick System 1$

$Silica Fire Brick - Acid Resistant Refractory Glass Furnace Silica Brick System 2$

$Silica Fire Brick - Acid Resistant Refractory Glass Furnace Silica Brick System 3$

Silica Fire Brick - Acid Resistant Refractory Glass Furnace Silica Brick

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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

1.High purity

2.Long service life

3.Accurate size tolerance

4.Pure color

5. Luster appearance

6..Good thermal conductivity
7.Good creep resistance

Applications

1. Doghouse crown, suspended wall of channel, top crown and inlet sealing of glass furnace

2. High temperature part of coke oven.

Physical and chemical index

Item		BG-94	BG-95	BG-96A	BG-96B
Chemical composition	SiO2	≥94	≥95	≥96	≥96
	Fe2O3	≤1.5	≤1.5	≤0.8	≤0.7
	Al2O3+TiO2+R2O		≤1.0	≤0.5	≤0.7
Refractoriness °C		1710	1710	1710	1710
Apparent Porosity%		≤22	≤21	≤21	≤21
Bulk Density g/cm3		≥1.8	≥1.8	≥1.8	≥1.8
True Density,g/cm3		≤2.38	≤2.38	≤2.34	≤2.34
Cold Crushing Strength Mpa		≥24.5	≥29.4	≥35	≥35
0.2Mpa Refractoriness Under Load T0.6 °C		≥1630	≥1650	≥1680	≥1680
Permanent Linear Change On Reheating (%)1500°CX2h		0~+0.3	0~+0.3	0~+0.3	0~+0.3
20-1000°C Thermal Expansich10-6/°C		1.25	1.25	1.25	1.25
Thermal Conductivity (W/MK) 1000°C		1.74	1.74	1.44	1.44

$Glass Furnace Acid Resistant Refractory Silica Brick$

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: 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: 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 new trend of the high thermal conductivity of silica brick: The use of high thermal conductivity of silica brick, reducing coke fuel consumption, reduce emissions of pollutants such as NOx, with considerable economic benefits and social benefits, is the future direction of the new technology of using coke oven refractory.

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: Which material is good for furnace refractory?: Acid refractory with silicon oxide as the main component, are commonly used in brick and clay brick. Silica is silica containing more than 94% silica products, raw materials used in silica, silica and other waste, the acid resistance of slag erosion ability, high load softening temperature, volume shrinkage after repeated burning, or even a slight expansion; but it is vulnerable to the erosion of basic slag, thermal shock resistance is poor. The brick is mainly used for thermal equipment of glass furnace, coke oven, acid furnace etc.. Clay brick with refractory clay as the main raw material, containing 30% to 46% of alumina, weak acid refractory material, heat shock resistance, resistance to acid slag, widely used.

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

Q: Common bond brick?: When adding ingredients, the amount of lime added shall be converted to CaO, and the amount of addition varies depending on the product, usually fluctuating at 1.5~2.5%. For example, the production of coke oven silica brick, the dosage of CaO is 2.0~3.0%; the production of electric furnace top brick, the dosage of CaO is 1.4~1.75%.

Q: What are the main constituents of refractory bricks?: Refractory brick composition is mainly composed of a variety of aggregate or aggregate and one or more kinds of sticky agent composed of mixed powder particles, when used, must be mixed with one or more liquids, mixing evenly, with strong liquidity. Different refractory bricks are different, such as silicon, aluminum, clay and so on: