Many people choose biomass pellet machines without knowing that they must choose a ring die with a suitable ring die compression ratio. The compression ratio of each raw material is different. Even for the same raw material, the compression ratio will be affected by different growing areas and different moisture content. Therefore, to select a suitable ring die compression ratio, it is necessary to comprehensively consider the type of raw materials, physical properties, moisture content, and the production capacity of the pellet machine. In actual operation, repeated tests and optimizations for different raw materials and production processes are required to determine the best compression ratio.
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