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Effect of repeated changes in temperature on flow steel bricks

点击次数:   更新时间:19/04/18 13:20:04     来源:www.zibohengsen.com关闭分    享:
Because the flow brick is manufactured and produced in the kiln, the influence of the kiln on the environment is very important. The needle is the same as our growing environment. In this case, the influence of temperature is very important. Let's talk about the effects of repeated changes in temperature on it.
The thermal shock stability of flow steel brick castables is poor, and severe temperature changes can easily damage them. Take the cooling zone of the rotary kiln (especially at the kiln mouth) as an example. It is not only subject to the continuous erosion of clinker, but also continuously affected by the secondary air and the high temperature clinker in the kiln. The kiln lining material is sometimes buried under high temperature materials, sometimes exposed to the flame, causing the surface temperature of the lining to change synchronously with the rotation of the kiln. The temperature difference is above 200 °C, and the depth of influence is 15-20 mm. According to the kiln speed 3.5r/ In the calculation of min, such periodic temperature rise and fall repeatedly causes thermal fatigue of the surface layer of the castable.
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