Straw comminution is a crucial part in the process of straw utilization,and its comminution quality will affect the later fuelization.In order to make better use of straw resources and solve the problems of low crushing efficiency,poor applicability of crushing materials and low service life in the traditional crushing device of straw shredder,a composite straw shredder is designed to improve the crushing efficiency and quality.This paper introduces the overall structure design of the machine and the structure of the key device,and optimizes the structure of the feed roller to meet the needs of users for straw crushing.The designed compound straw crusher can reduce the labor intensity,improve the crushing efficiency,reduce the production cost,and greatly improve the utilization rate of straw.
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