| 摘要 |
A sewage sludge grinder comprising a housing, a shaft in the housing, a motor for driving the shaft, a chamber in the housing surrounding the shaft, an outlet and an inlet in the chamber, said shaft being free-ended within said housing and mounting at its terminal portion an assembly comprising an impeller which faces the inlet and tends to move sludge therefrom outwardly radially a set of cutters, and a grid-plate provided with peripheral through slots, the peripheral edge of the impeller cooperating with certain surfaces on said cutters, and the forward face of the grid-plate adjacent said slots cooperating with different surfaces on said cutters, the sludge flowing through the impeller and grid-plate assembly toward the outlet.
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