Silica Bricks Price for Ceramic Kiln Application

Silica Bricks Price for Ceramic Kiln Application System 1

Silica Bricks Price for Ceramic Kiln Application

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 15 pallet

Supply Capability:: 30000 pallet/month

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General Information

Ceramic firing kiln refractory Silica Brick Description:

Refractory Silica Brick is mainly made of top class silica, via shaping and burning under the high temperature,

Possesses high temperature resistant, high strength and low impurities, etc.

It is mainly used for blast furnaces and hot blast stove.

Features

Ceramic firing kiln refractory Silica Brick Advantage:

1) Silicon oxide is above 95%.

2) Good acid erosion resistance.

3) High softening point

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

Ceramic firing kiln refractory Silica Brick specifications:

	Product	AZM-1550	AZM-1650	AZM-1680
Index		Index	Index	Index
chemical composition	SiC+SiO2	≥35	≥30	≥32
chemical composition	Al2O3	≥60	≥65	≥65
Bulk Density(g/cm3)		≥2.55	≥2.65	≥2.70
Apparent Porosity (%)		≤20	≤19	≤19
Cold Crushing Strength(Mpa)		≥80	≥90	≥100
Refractoriness Under Load		≥1550	≥1650	≥1680
Thermal Shock Resistance		≥10	≥15	≥20

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:Semisilica brick, clay brick, high alumina brick and what is the difference?: The share of A12O3 and SiO2 is different

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:Which material is good for furnace refractory?: Basic refractories in Magnesium Oxide and calcium oxide as the main ingredient, commonly used is brick. Magnesium Oxide 80% to more than 85% containing magnesia brick, has good resistance to alkaline slag and slag, refractory clay brick and brick high ratio. Mainly used in open hearth furnace, oxygen converter, electric furnace, non-ferrous metal smelting equipment and high temperature equipment.

Q:What role does silica play in refractories?: The production of clay brick refractory clay raw material is natural, its main mineral is kaolinite (formula Al2O3 - 2SiO2 - 2H2O), clay brick containing SiO2 in 45% ~ 65%, belongs to the weak acid refractory materials, have a certain ability to resist acid slag, but easy to be alkaline slag erosion.

Q:The brick is mainly used in the place?: Also used for high temperature bearing part of hot blast stove and acid open hearth furnace.

Q:The introduction of silica brick: An acid refractory consisting mainly of quartz and square quartz and a small amount of residual quartz and glass.More than 94% silica content. 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. When heating up to 1450 degrees, the total volume of 1.5~2.2% expands, and the residual expansion can close the kerf and ensure the airtight and structural strength of the masonry.

Q:The difference between clay refractory bricks and refractory brick in the application.: Clay brick features good thermal shock resistance and low price, but high temperature performance is not well integrated, and the long-term use temperature is not higher than 1300 degrees. It is widely used in low temperature parts of various kilns.

Q:What are the main constituents of refractory bricks?: (a) containing refractory brick brick, refers to more than SiO293%, is the main varieties of acid resistant brick. It is mainly used for coke oven building, also used in furnaces all kinds of glass, ceramic and carbon calciner, refractory brick arches and other load-bearing parts, is also used in high temperature bearing part of hot blast stove, but should not be used in thermal equipment below 600 DEG C and the temperature fluctuation in the.

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.

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