The main working parts of the ring die pellet machine are a ring die and a set of rollers. Ring dies are usually made of alloy steel or stainless steel and have many small holes on it, while the rollers are cylindrical bodies. The feed enters the ring die through the feed hopper. The rotating roller rotates to squeeze and press the feed between the two rollers and the inner wall of the ring die. The pressure in this process is very large, so that the feed becomes very dense and has a certain strength, which does not break during transportation and storage.

The moisture content of raw materials before pelleting is 15-20%, and the pellets diameter can be 4-20mm. When using pellet machine to make biomass pellets, users should ensure that they have sufficient power supply capacity and sufficient force to ensure stable operation.

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