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On September 20, 2019, Viktoria Garten, CEO of VGH Viktoria Garten Hüttenindustriebedarf AG from Germany, and three other colleagues visited our company for an inspection. They were received by our company chairman, Wei Wenxu; general manager, Ma Junqiang; department manager, Ma Yongfeng; and e-commerce director, Zhang Jinyu.
Permeable bricks for steelmaking, intermediate vessel refractory materials
Refractory bricks used in steelmaking plants are made of materials such as corundum and spinel, mainly containing the compound Al2O3. The function of the permeable bricks in the steel ladle is to remove impurities (unwanted elements, gases, etc.) from the molten steel by bottom blowing gas and to increase the temperature of the molten steel. Some steel ladles have double-permeable bricks, and the permeable core can be replaced.
Refractory materials such as permeable bricks for ladles
Refractory materials for steel ladles generally include those used for steel ladles and secondary refining, electric furnaces, converters, tundishes, and blast furnaces. Specific products include permeable bricks for steel ladles, electric furnace covers, tundish slag barriers, castables, and ramming materials.
Material of steel ladle permeable bricks
The use of porous plugs in steel ladles allows for bottom-blown argon to purge gases and solid impurities from the molten steel, achieving uniform composition and temperature. The importance of this is self-evident. The material of the porous plug determines its characteristics. To achieve the goal of bottom-blown argon, the porous plug needs to possess thermal stability, erosion resistance, corrosion resistance, permeability resistance, operational safety, good gas permeability, and minimal molten steel penetration.
Air permeable brick professional manufacturer - Kechuang New Materials
Luoyang Innovation New Materials Co., Ltd. (hereinafter referred to as "Innovation New Materials") has leading domestic production equipment and processes, and is one of the largest manufacturers of argon-blown permeable components in China. The company's R&D steel ladle series refractory products have reached or exceeded the performance of similar imported products, and have achieved good results in use, receiving high praise from users!
The technological requirements and composition of breathable bricks
In the steelmaking process, inert gas is blown through porous bricks at the bottom of the converter ladle. This is mainly to purge gases and solid impurities from the molten steel, achieving uniform steel composition and temperature. In short, porous bricks are crucial gas supply components installed at the bottom of the converter ladle.
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