Henan Yutai High Temperature New Material Technology Co., Ltd.

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Steelmaking auxiliaries

Amorphous refractories

Firebrick

Steelmaking auxiliaries

Amorphous refractories

Firebrick

Aluminum silicon carbide carbon bricks

Aluminum-carbon bricks are mainly used as sliding nozzle slide plates, continuous casting tundish integral plug rods, etc., and can also be used as lining for molten iron pretreatment and steel barrel lining.

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Firebrick

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Product description

Aluminum-carbon bricks are mainly used for the lining of molten iron ladles, torpedo canisters and steel barrels.

This series of products is bauxite clinker, corundum, graphite as the main materials, with a variety of differential additives, with good microporous indicators, excellent alkali resistance, high thermal conductivity and other advantages. It is suitable for different furnace capacities and high aluminum waists, furnace bells, cooling wall aluminum bricks and other parts

Carbonaceous refractory products made of corundum (or high alumina, mullite) and graphite as the main raw materials. According to the different manufacturing processes, aluminum-carbon bricks can be divided into fired aluminum-carbon bricks and unburned aluminum-carbon bricks.

The key points of the process of manufacturing fired aluminum-carbon bricks: carbon raw materials are mixed into the main raw materials of alumina, and a small amount of other raw materials such as silicon powder, SiC powder, aluminum powder are added, phenolic resin or asphalt is used as a binding agent, and it is fired in a reducing atmosphere by batching, mixing, isostatic pressing molding (or mechanical pressure molding).

The process points of manufacturing unburned aluminum-carbon bricks are the same as those of unburned bricks.

The fired aluminum-carbon brick belongs to the ceramic combination or ceramic-carbon composite bonding material, which is widely used as a sliding nozzle slide plate for continuous casting, a long nozzle, an immersion nozzle upper and lower spout brick and an integral plug rod. Unburned aluminum-carbon brick is a carbon-bonded material, which has been widely used in molten iron pretreatment equipment because its oxidation resistance is significantly better than that of magnesia-carbon brick and its excellent erosion resistance to Na2O slag.

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