This product is mainly used for granule adjusting link which is before take coke into the furnace, it can instead of wolf-teeth crusher, it's the best gear for coke saving and iron increasing in blast furnace smelting. This machine has advantages of uniform products size, less coke power, increasing coke utilization rate and decreasing iron-smelting cost, it can be also used for coke medium crushing in coke, iron-smelting, chemical industry and other industries.