STIRRING DEVICE IN PUMP TANK

摘要

PROBLEM TO BE SOLVED: To promote an aeration together with a stirring of wastewater to suppress a generation of hydrogen sulfide in the wastewater.

SOLUTION: A stirring device 4 in a pump tank is attached to a submerged pump device 2 installed in the pump tank 1, and allows a part or all of a jet flow of the submerged pump device 2 to discharge in the pump tank 1 for a given period of time when the submerged pump device 2 starts to operate to carry out the stirring in the pump tank 1. The stirring device 4 in the pump tank is provided with an ejector mechanism 34 mixing air in the jet flow circulating in a discharge section 33 to discharge the jet flow with air mixed in by the ejector mechanism 34 into the pump tank 1.

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