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

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Steelmaking auxiliaries

Amorphous refractories

Firebrick

Steelmaking auxiliaries

Amorphous refractories

Firebrick

Torpedo Tank Brick

Aluminum-silicon carbide bricks are mainly used for the inner lining of ladle, torpedo tank and teeming ladle.

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Firebrick

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Product description

Aluminum-silicon carbide bricks are mainly used for the inner lining of ladle, torpedo tank and teeming ladle.

This series of products-bauxite clinker, corundum and graphite are the main materials, and a variety of differential additives are added. It has the advantages of good microporous indicators, excellent alkali resistance, and high thermal conductivity, etc. It is suitable for the furnace belly, furnace bosh, cooling stave alumina bricks and other parts with different furnace capacity and high aluminum, and is carbon-containing refractory products manufactured with corundum (or high alumina bauxite, mullite) and graphite as the main raw materials. Aluminum-carbon bricks can be divided into burnt aluminum-carbon bricks and unburned aluminum-carbon bricks according to different manufacturing processes.

Key points of the process for manufacturing burnt aluminum carbon bricks: mixing carbon raw materials into the main alumina raw materials, and adding a small amount of other raw materials such as silicon powder, SiC powder, aluminum powder, etc., using phenolic resin or asphalt as a binder, after batching, mixing, isostatic pressing (or press forming), it is burnt in a reducing atmosphere.

The key points of manufacturing unburned alumina-carbon bricks are the same as those of unburned bricks.

The burnt aluminum-carbon brick is a ceramic bonding or ceramic-carbon composite bonding material, which is widely used in sliding nozzle slide plate, long nozzle, submerged nozzle upper and lower nozzle bricks and monoblock stopper for continuous casting. The unburned alumina-carbon brick is a carbon-bonded material and because its oxidation resistance is significantly better than that of magnesia-carbon brick, and it has excellent corrosion resistance to Na2O slag, it has been widely used in molten iron pretreatment equipment.

The aluminum-silicon carbide brick produced by our company uses high-quality alumina, silicon carbide, graphite, and Guangxi white mud as raw materials, and sol as the binder. It is mainly used for the masonry of molten iron containers such as molten iron ladles, torpedo car, metal mixer and intermediate molten iron reladling in the production process of blast furnace ironmaking. It has the advantages of no slag, less iron loss, corrosion resistance, and low comprehensive cost during use. Besides, by adding expandable raw materials, the product has a certain degree of expansion during use, which prevents the molten iron container from cracking and forming cold iron in the cracks during long-term use.

Keywords：

torpedo bricks iron raw

Aluminum silicon carbide carbon bricks

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Aluminum silicon carbide carbon bricks

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