Disk granulator can be like a closed, so open. We count, that a closed design better controls the quality of granules and helps to reduce the formation Dust. The design does not just put the lid on the disk granulator, And adds the house. A simple understanding is to cover the entire part of the granulator with a sheet iron case, which can effectively prevent dust distribution. Because if it is completely closed, the material will not be able to get into the disk granulator.