Title:
FILTER CLEANING MECHANISM IN UNDERGROUND WATER CIRCULATION SYSTEM
Document Type and Number:
Japanese Patent JP3950835
Kind Code:
B
Abstract:
PROBLEM TO BE SOLVED: To provide a filter cleaning mechanism capable of easily and securely cleaning a filter provided in a circulation circuit in a system circulating and utilizing under ground water.
SOLUTION: The underground water pumped up from a first well 1 by operation of a lifting pump 13 is pressured by using a pressure tank 22 and injected from a back side of a solid material attaching surface of the filter 11 to remove the solid material attached to the filter 11. The removed solid material is discharged outside of the circuit with the underground water. Then, the underground water remaining in the circuit is flowed from the back side of the solid material attaching surface of the filter 11 to help discharging the solid material.
Inventors:
Hirato, Keiichiro
Application Number:
JP2003000353855
Publication Date:
April 27, 2007
Filing Date:
October 14, 2003
Export Citation:
Assignee:
SEKISUI HOUSE LTD
International Classes:
F04D29/70; F24J3/08; B01D29/66; (IPC1-7): F24J3/08; B01D29/66; //F04D29/70
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