What is the appropriate gap between the ring die and the roller of the biomass pellet machine? If the gap between the roller and the ring die is adjusted too tight, the ring die will be damaged. If it is adjusted too loose, it will slip during pelleting. The gap between the roller and the ring die in the biomass pellet machine should be 0.1-0.3 mm, which is about the gap of 1-2 sheets of paper. If it is used to compress grass powder, it can be increased to 0.5 mm.
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