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2019
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Several factors affecting the use of steel ladle lining
Source： KE CHUANG Innovation Materials
Release time：2019-11-22 09:49
Refractory materials used for steel ladle linings include porous bricks, water-mouth bricks, magnesia-carbon bricks, castables, etc. Aside from the influence of the ladle lining materials themselves, certain factors can accelerate their consumption during use, leading to a shorter lifespan.
Refractory materials used in ladle linings include porous bricks, water-cooled bricks magnesium carbon bricks, castables, etc. Apart from the influence of the ladle lining materials themselves, certain factors can accelerate their consumption during use, leading to a reduced service life.
(Figure) Pouring molten steel
Ladle temperature: To be precise, it should be the temperature of the molten steel in the ladle. The higher the temperature, the faster the dissolution and erosion, and the shorter the lifespan. The ladle will go through processes such as baking, steel receiving, refining, and continuous casting, during which the temperature of the ladle fluctuates significantly, causing considerable stress on the refractory lining. In this case, refractory materials such as porous bricks are prone to cracking and spalling, resulting in unnecessary wear and tear.
Influence of steel slag: The influence of steel slag on the use of ladle refractory materials mainly manifests in the slag basicity, slag oxidizability, and slag viscosity.
(Figure) Continuous casting
Influence of argon stirring: This mainly refers to the stirring effect produced when porous bricks are used for argon refining of molten steel. Argon blowing reduces the oxygen concentration on the steel slag surface, reducing the oxidation of carbon-containing refractory materials. Therefore, the influence of argon blowing on refractory materials is not significant.
In addition to the above factors, there is also the influence of vacuum treatment and molten steel residence time. For these factors, it is necessary to optimize the structure of refractory materials to reduce consumption and extend lifespan. Ke Chuang Xin Cai As a professional refractory materials manufacturer, producing porous bricks, water-cooled bricks 、 electric furnace covers etc. for 22 years, patented formula, unique design, trustworthy!
Source: Luoyang Ke Chuang Xin Materials Co., Ltd.: https://www.kcnh.com/
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