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2019
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Maintenance of the permeable bricks in the bottom gas supply components of the ladle
Source： Ke Chuang Xin Cai
Release time：2019-09-27 15:24
Gas supply element permeable bricks are key equipment for steelmaking converters. From their development and use, to protect the gas supply element, they are generally equipped with protective casing bricks; a more complete set is a combination of bricks, also known as integral permeable bricks.
Gas supply components Porous bricks They are key equipment for steelmaking refining manufacturers' blowing operations. From their development and use, to protect the gas supply components, protective casing bricks are generally used, and more sophisticated ones are composed of a set of bricks, also known as integrated porous bricks The gas supply component porous bricks and the base bricks with protective function are combined and built together at the bottom of the steel ladle. The lifespan of the bottom gas supply component porous bricks is related not only to its own structure, gas source, material, operation process, and the material of the protective base bricks, but also to the construction quality of the steel ladle; poor steel ladle construction quality has a significant impact on the porous bricks.
(Figure) Gas supply component porous bricks
Due to the use of bottom gas supply component porous bricks, the temperature around the porous bricks changes drastically, and the molten pool stirring force will also be enhanced. Therefore, in addition to using refractory materials with good spalling resistance, low expansion rate, low residual expansion, and high strength for the steel ladle, the construction method and quality of the steel ladle are also important to the lifespan of the steel ladle and gas supply components. As the cross-sectional shape of the brick increases, the thermal stress also increases, easily causing spalling and wear. The gas supply component porous bricks must be perpendicular to the bottom of the ladle. After the porous bricks are laid, they should be higher than or level with the bottom surface of the steel ladle, and the concavity and convexity should not exceed the standard requirements. At the same time, the laid bottom must be elevated and stored to prevent the connecting pipe of the tail pipe of the steel ladle gas supply component porous bricks from being crushed.
Ke Chuang New Materials produces a variety of porous bricks, with rich experience and superb technology; it is a professional manufacturer worthy of trust! Luoyang Ke Chuang New Materials Co., Ltd., has been focusing on the R&D, production, and sales of porous bricks for 22 years and is a professional porous brick manufacturer 。
From Luoyang Ke Chuang New Materials Co., Ltd.: https://www.kcnh.com/
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