Abstract
Screw conveyors are widely used in the transportation of various media in the industry because of their simple structure and low cost. However, some special powders are prone to accumulation during transportation due to their low density, large angle of repose, and poor fluidity, resulting in low transportation accuracy and unable to meet actual working conditions. In this paper, the discrete element method is used to simulate and analyze the powder transportation. The three-dimensional model of the screw conveyor is established and imported into the EDEM software for simulation simulation. The key parameters of the screw conveyor are screw inner diameter, pitch and speed as design variables. Hand in the experiment, and get the optimal solution of the variable parameters through the experimental results.
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