28/09/2023
What is a refractory brick
Refractory bricks, also known as āfurnace bricksā, are bricks that can withstand high temperatures without melting or decomposing. These tiles are made of refractory clay, quartz, cellulose, asbestos, and other materials, and the refractory materials used vary from one type of refractory tile to another.
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Types of Refractory Bricks
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Clay refractory bricks are made of clay as the main raw material, adding appropriate amount of refractory agent, after molding, drying, firing and other processes. Clay refractory bricks have high refractoriness and low coefficient of thermal expansion, and are suitable for masonry furnace walls, roofs and other parts.
High-alumina refractory bricks
High-alumina refractory bricks are made of high-alumina bauxite as the main raw material, adding appropriate amount of refractory agent, after molding, drying, firing and other processes. High-alumina refractory bricks have high slag resistance and good alkaline resistance, and are suitable for masonry of various industrial furnaces and heating equipment.
Aluminosilicate refractory bricks are made of aluminum silicate bauxite as the main raw material, adding appropriate amount of refractory agent, after molding, drying, firing and other processes. Aluminosilicate refractory bricks have high slag resistance and good acid resistance, and are suitable for masonry of various industrial furnaces and heating equipment.
Aluminosilicate refractory bricks take magnesium sand as the main raw material, add appropriate amount of refractory agent, after molding, drying, firing and other processes made of refractory bricks. Magnesium refractory bricks have high slag resistance and good alkaline resistance, suitable for masonry of various industrial furnaces, heating equipment.
$SiliconCarbideRefractoryBrick
Aluminosilicate refractory bricks are made of silicon carbide as the main raw material, adding appropriate amount of refractory agent, after molding, drying, firing and other processes made of refractory bricks. Silicon carbide refractory bricks have high slag resistance and good acid resistance, suitable for masonry of various high-temperature furnaces, ceramic kilns and so on.
Characteristics of refractory bricks:
Good performance of high temperature resistance
Refractory bricks have high refractoriness and can maintain good stability and integrity under high temperature environment.
Good thermal stability
At high temperatures, the volume change of refractory bricks is small, and it is not easy for thermal expansion or contraction to occur, thus ensuring the stability of the structure.
Good chemical stability
Refractory bricks have strong corrosion resistance to acids, alkalis, salts and other chemicals, and are able to maintain stable performance in harsh chemical environments.
Good mechanical strength
Refractory bricks have high hardness and compressive strength, able to withstand large loads and impacts.
Good thermal conductivity
Refractory bricks have a low thermal conductivity, which can effectively reduce the speed of heat propagation and minimize heat loss.
Environmental protection and energy saving
Refractory bricks do not produce harmful substances in the process of use, no pollution to the environment; at the same time, its excellent thermal insulation performance can reduce energy consumption.
Refractory bricks are a kind of construction material with superior performance and wide application. Different types of refractory bricks have different characteristics and scope of application, you can choose the right type of refractory bricks according to the actual project needs.
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