News information
Mute Brick
09-03
In addition to the mute brick caused by under fire, the invisible cracks caused by molding and the invisible stratification left by too much impurities in the raw material soil and uneven stirring, the warm-up of the wet blank is too fast, and the frost brick blank and the brick blank will form micro cracks in the preheating zone, such as moisture absorption and condensation, resulting in mute brick. In addition, such as improper roasting, premature kiln door, tunnel kiln pushing the cooling belt to the outside of the kiln, resulting in sudden cooling of the brick body to form micro cracks, etc., may also cause mute brick. In this regard, in addition to strengthening the processing of raw materials, removing impurities, fully mixing, improve the extruder'In addition to the relevant parameters, attention should also be paid not to burn high-humidity billets, frost billets, and at the same time should ensure good preheating, there is a long enough insulation belt.
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