| 摘要 |
PURPOSE: A precipitated sludge hopper gate is provided to reduce the maintenance and management cost of the hopper gate by increasing the discharging speed of sludge through a discharging pipe. CONSTITUTION: A precipitated sludge hopper gate includes a discharging pipe(120), a protrusion unit, a recess unit, a discharging hole, and a wedge unit. The discharging pipe is for discharging collected sludge(S). The protrusion is located among inner walls of a hopper(110). The recess unit is located among the inner walls of the hopper. The discharging hole discharges the sludge. The wedge unit partially opens and closes the discharging hole.
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