| 摘要 |
A reversible downdraft rotary hammer mill for processing waste material in which breaker plates and a grate assembly are cooperatively arranged so the terminal ends of the grate assembly are laid back to form with the adjacent terminal ends of the breaker plates, when a terminal end of one breaker plate is opened relative to the tip circle of the rotary hammers and the other breaker plate is closed up to be adjacent the hammer tip circle, a tapering wedge shaped space for the opened breaker plate and a crushing surface for the closed up breaker plate. The cooperation of the breaker plates and the grate assembly enables the processing of a high volume of lightweight and fluffy material while avoiding plugging of the mill inlet.
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