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Heat-Resisting Material Black Silicon Carbide Used for Refractory Bricks in Blact Furnaces

Heat-Resisting Material Black Silicon Carbide Used for Refractory Bricks in Blact Furnaces

Silicon carbide for refractories is prepared by mixing high-quality quartz sand and petroleum coke through high-temperature roasting, crystal generation process supplemented by crushing and pickling process. Because it has high melting point (decomposition temperature), chemical inertia and thermal vibration resistance, it is suitable for refractory bricks, metallurgical ingots, high furnace bottom and lining, tapping tank, tapping port, ceramic kiln furniture, nozzle in aerospace industry, thermowell, silicon carbide products.

We are constantly improving our technology to respond more quickly to customer needs for the Sic for refractory material, Pitch coke carburizing agent, Carburizer for Electric Furnaces. The company's technical research and development capabilities have always maintained an advanced position in the country, and have been developing never stopped. We use scientific and modern management methods, advanced technical equipment, and strict quality management to provide an effective prerequisite guarantee for product development, manufacturing, and quality monitoring. We will consistently stand on the customer' s standpoint and provide the most comprehensive and satisfactory service for customers.

Silicon carbide products are also used in many indirect heating kiln structures, such as zinc towers, vertical and horizontal distillation tanks, etc. In a wide temperature range, silicon carbide refractories have high mechanical strength and high abrasiveness. Therefore, it can be used to manufacture mechanical wear-resistant parts, including low-temperature guide rails and tie rods, as well as strongly worn spinners, distributors, dust collectors, linings of pipes, chutes, furnace bottoms, grid plates of tunnel kiln cars, porous products for air filtration, etc.

Certain chemical high temperature processes require the use of refractory materials and limit the use of metals and alloys. Because silicon carbide refractories have high mechanical strength, thermal stability and thermal conductivity, and inert to most acids and some alkalis. Therefore, a variety of silicon carbide refractory materials have recently been used in the chemical industry.

Due to the adoption of large-scale blast furnaces, the rapid erosion of the lining of the blast furnace has attracted more and more attention from metallurgical workers. In the 1960s, dense carbon bricks were used to solve the problem of corrosion of the furnace bottom and hearth. However, due to the erosion of alkali and lime and the wear of the charge, the damage of refractory materials is more serious. The self-bonding silicon carbide brick has a very high flexural strength at high temperatures, so it can withstand the abrasion caused by the movement of the charge. In addition, in terms of resistance to slag and alkali, self-bonding silicon carbide bricks are better than clay bricks and corundum bricks.

Since silicon carbide refractories are not wetted by and do not react with many non-ferrous metals, and have high thermal stability and thermal conductivity, they are used in some equipment for the production of zinc, aluminum, cobalt and cadmium in non-ferrous metallurgy.

The unique properties of silicon carbide refractories, such as high thermal stability, high temperature strength and high thermal properties, ensure its effective application in the ceramic and fine porcelain industries.


Our Product Advantages

★ High content and less impurities.

★ Fast heat conduction and low expansion.

★ Large contact angle and good slag resistance.

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Specifications

Process and produce according to customer requirements and indicators.


Application

Use according to process requirements.

Our high-tech production equipment ensures the consistency of each batch of Heat-Resisting Material Black Silicon Carbide Used for Refractory Bricks in Blact Furnaces. Our sales network and product sales agencies are all over the world. We continue to strengthen our economic strength, improve our economic efficiency and expand our business scale.

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