Abstract:

The semidry process gunning mix which is suitable for the hot gunning of the coking chamber wall of coke oven is developed by taking calcined kaolinite, hard fireclay chamotte, SiO2 micropowder etc.as main raw material and selecting different kinds of binders and additives. The semidry gunning mix for coke oven hot repair is characterized by less water addition, low rebound rate and long gunning mix“hangingup” time, and its quality is up to and exceeds the quality of the same kind of foreign products.