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Causes of cracks and collapse of the tundish after baking

The corner of the joint between the slag wall and the impact zone is partially peeled off during the baking process or before the pouring.

Analyze the reasons:

1. It may be the internal crack of the dry material caused by the bump when the mold is pulled out;

2. Due to the poor lubrication effect of the mold, the process of pulling out the mold drives the dry material to cause looseness;

3. The material is loosened during the disassembly process of the slag wall;

4. During the process of lifting the tundish, or the process of covering;

5. Other reasons.