Runner Brick

Runner brick is usually used in bottom casting and pouring steel. The reasons that affect the purity of steel are mainly divided into two categories:
1. It is caused by the steelmaking operation process;
2. It is caused by refractory materials for steelmaking, such as flowing steel bricks. When molten steel flows from the molten steel tank to the ingot mold, it must pass through the flowing steel bricks. Due to the high temperature of the molten steel, the flowing steel bricks will be impacted, which will cause the flow of steel. Part of the steel brick structure falls off, and at the same time the molten steel will interact with the flowing steel bricks, and the reaction products will be mixed into the molten steel, which will affect the quality of the steel ingot.
Good runner brick must have a good water running function to ensure that the water that penetrates can penetrate the water base in a timely and effective manner. Therefore, it is important to use cementitious materials mixed with steel or lime as the sand pad of the cast steel brick.
1. It should be washed medium coarse sand. Because of the prerequisite energy limit, the physical index of the sand of the cast steel brick cushion is not specified in this regard.Bedding requirements for runner brick:
2. The physical functions of other pouring steel bricks should meet the requirements of the standard.
3. It should be semi-dry sand. The humidity control method is to squeeze the mixture into a mass by hand. Of course, it will pass after loosening. Dryness and wetness are good for leveling the surface, reducing the fine density of Yang dust and mobilizing the cushion.

Hot Tags: runner brick, China runner brick manufacturers, suppliers, factory, Refractory Zero Expansion Silica Bricks, High Alumina Sleeve refractories Brick, mullite lip refractory brick, refractory fire bricks for pizza ovens, used fire brick, Special Alumina Brick