Feed raw material contains different particle size and if mixed directly will do nothing for helping the nutrition of the final products.
According to different particle size of the feed raw material, one time or two times grinding should be adopted accordingly. By grinding, the particle of raw material will be in average size and mixed in some degree, and it will be more suitable for further mixing and pelleting.
For Grinding, hammer mill is the main equipment to do this work.
Following is the rough grinding flow:
