| 摘要 |
PURPOSE: An aeration type waste sludge pumping device is provided to remove sludge precipitated in the bottom of a reservoir and a sewage tank by easily pumping the precipitated sludge, and to improve pumping force while preventing damages to the pump. CONSTITUTION: An aeration type waste sludge pumping device includes the following: a pump(10) in which a casing(11) is installed with an impeller; a discharge pipe(20) with a pumping pipe(21) on which a valve is mounted, and is combined to the casing; a spray pipe(30) with a valve(31); and an air pipe(40) injecting the air to the casing of the pump. The air pipe is attached on the outer circumference of the casing.
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