... change the sieve tube at any point of the case, can fully meet the rotation requirements. Gear reducer with ... a variety of large mixed raw grain (such as straw, corn cob, rope fastening, beans straw, beans leather, brick, ... of the light miscellaneous (such as oatmeal, wheat wool, corn bran, dust, etc.), with a good cleaning effect. Is ... and food industry clean-up raw grain dust. corn cleaning screen