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According to the biomass pellet fuel forming machine, problems such as high energy consumption, easy clogging, and low efficiency exist in the granulation process. In this paper, corn and wheat stalks are used as raw materials to study the effects of the size of the raw materials and the moisture content on the formation rate, particle average length, particle density, mechanical durability, and heating value of the particulate fuel. The influence of parameters such as spindle speed and die diameter on the productivity, molding rate, mechanical durability, and particle density of the molding machine was investigated. Compressor and ANSYS were used to study the compression characteristics and flow characteristics of corn stalk, and the characteristics of the pellets were determined. The results showed that the corn stalk with a grain size of 4 mm with a moisture content of 14% and wheat straw with a grain size of 4 mm with a moisture content of 15% had high molding rate, good particle density, and good mechanical durability.

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