| 摘要 |
PROBLEM TO BE SOLVED: To provide a non-clog type pump gate which can discharge even a large garbage, simplify a garbage removing equipment or omit the same, perform high head drainage and be made in a compact size. SOLUTION: In this non-clog pump gate (or a screw type spiral pump gate) 100, a channel is opened and closed, and a built-in non-clog pump N (or a screw type spiral pump) is operated to discharge water on the upstream of the closed channel to the downstream.
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