How to construct refractory castable for blast furnace iron trough？
2021 10 22
The construction steps of refractory castable for blast furnace iron trough include the following five steps:
1. First, support the mold: before supporting the mold, apply the butter evenly on the mold surface. The lower mold shall be centered on the center of the tap hole. Fix the mold after correction.
2. Then make and pour the refractory castable: now fully stir the refractory castable, dry mix it for 1-2 minutes, then add two-thirds of the water consumption, continue stirring for about 2 ...