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A technology of modified silicon and aluminum carbon, which is applied in the field of functional refractory materials for steelmaking, can solve the problems of hidden dangers in production safety, long casting time, high temperature of molten steel, etc. Effect of suppressing cracks and improving high temperature strength
Inactive Publication Date: 2017-09-05
江苏永和耐火材料有限公司
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Abstract
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Problems solved by technology
Ordinary aluminum carbon zirconium slides are difficult to meet the requirements of continuous casting in multiple furnaces. Due to the high temperature of molten steel, long casting time and high Si content, molten steel leakage often occurs, which brings safety hazards to production.
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Embodiment 1
[0014] A modified silicone resin non-burning aluminum carbon sliding plate, its components and weight ratio are: 70 parts of corundum, 1 part of mullite, 1 part of carbon material, 8 parts of metal aluminum powder, 15 parts of additives and binder 5 parts, the binder is modified silicone resin or a combination of modified silicone resin and phenolic resin.
[0015] Further, the corundum is sintered corundum or fused corundum, wherein Al 2 o 3 The content is not less than 98%.
[0016] The manufacture of a modified silicone resin non-burning aluminum carbon sliding plate includes the following steps: batching, mixing, molding, drying, processing, inspection and storage.
Embodiment 2
[0018] A modified silicone resin non-burning aluminum carbon sliding plate, its components and weight ratio are: 70 parts of corundum, 5 parts of mullite, 2 parts of carbon material, 8 parts of metal aluminum powder, 18 parts of additives and binder 6 parts, the bonding agent is a combination of modified silicone resin or modified silicone resin and phenolic resin.
[0019] Further, the corundum is sintered corundum or fused corundum, wherein Al 2 o 3 The content is not less than 98%.
[0020] The manufacture of a modified silicone resin non-burning aluminum carbon sliding plate includes the following steps: batching, mixing, molding, drying, processing, inspection and storage.
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Abstract
The invention relates to a modified silicone resin non-burning aluminum carbon sliding plate. Its components and weight ratio are: 70-85 parts of corundum, 0-15 parts of mullite, 1-5 parts of carbon material, 8-10 parts of metal aluminum powder, 15-20 parts of additives and 5-7 parts of binder The binder is a modified silicone resin or a combination of modified silicone resin and phenolic resin. In the present invention, more metal aluminum powder is used, which improves the normal temperature compressive strength and high temperature flexural strength of the slide plate, effectively suppresses and improves the generation of cracks; the bonding agent adopts modified silicone resin or a combination of modified silicone resin and phenolic resin , improve the high temperature strength of the slide plate under oxidation conditions, this product has good strength and good shock resistance stability.
Description
technical field [0001] The invention relates to a modified silicone resin non-burning aluminum carbon sliding plate, which belongs to the technical field of functional refractory materials for steelmaking. Background technique [0002] Sliding plate is a functional refractory material for steelmaking. It plays a role in regulating the flow of molten steel in the sliding nozzle system. It has been subjected to chemical erosion and mechanical erosion of high-temperature molten steel for a long time. Therefore, it is required to have good high-temperature strength, good heat resistance and shock resistance. performance, corrosion resistance, oxidation resistance and wear resistance. Ordinary aluminum-carbon-zirconium slides are difficult to adapt to the requirements of continuous casting in multiple furnaces. Due to the high temperature of molten steel, long casting time, and high Si content, molten steel leakage often occurs, which brings safety hazards to production. Conten...
Claims
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Application Information
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