The Purpose and Use Temperature of Various Refractory Bricks

Refractory brick is also called setting fire-resistant materials, high strength, easy construction, wide range of

use, easy to draw materials, suitable for all kinds of industrial furnaces of masonry.

1. Physical and chemical indexes, size of common refractory fireclay brick, permit deviation and shape products

section spallation, should comply with the rules.

Common refractory brick is used for refractory brickwork of general furnace kiln. The temperature of lining

material, furnace wall, furnace bottom, flue is under 1250 ℃.Combustion chamber, allows the use is more than

1400 ℃.

2. High alumina brick, the size of the product appearance, physical and chemical indexes, allowable deviation,

etc, should comply with the rules. High alumina brick used in general principle of high temperature resistance,

wear resistant larger regional or load of masonry, burner brick and masonry with special requirement. The high

temperature of the combustion chamber vault, allows the use of temperature is 1300 ~ 1650 ℃.

3. The physical and chemical index of the light clay brick, allowable deviation in dimension and shape of

requirements, should comply with the rules. Lightweight refractory clay brick, as is not affected by high

temperature slag and the furnace kiln lining erosion gas erosion, according to the different capacity,

temperature is between 1150 ~ 1400 ℃.
4. Light weight aluminum bricks, physical and chemical indexes of the rules and regulations of the dimensions

deviation should be allowed to meet. Refractory lining for working temperature below 1350 ℃, can also be used

for high temperature melt erosion and flushing action of masonry, can be directly contact with flame.

5. Low silicon fused alumina is suitable for the strong reducing atmosphere, hydrogen pressure, there is a high

temperature steam. Such as a large ammonia plant, a reformer in the second member of the tracheal lining

and lining brick, high temperature furnace lining. The physical and chemical indexes of low silicon fused

corundum brick, size deviation should be allowed to meet norms. Low silicon fused corundum used

temperature below 1600 ℃ ~ 1670 ℃.

6. General corundum brick is suitable for the working pressure of 3 mpa heavy oil gasifier under this surface

lining, an important part of saline wastewater incinerator lining, working under high temperature radiant burner


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