Title:
RECHARGE SYSTEM AND RECHARGE METHOD
Document Type and Number:
Japanese Patent JP2018197469
Kind Code:
A
Abstract:
To provide a recharge system and a recharge method that are capable of eliminating sewage water discharge of effluent such as underground water at the time of maintenance, and makes it possible to implement efficient and inexpensive preferable operation.SOLUTION: A recharge system comprises: oxidant addition means 1 for adding an oxidant P to object water W1 at ground level; a raw water tank 2 for temporarily retaining the object water W1 including the oxidant P added by the oxidant addition means 1; removal processing means 3 for filtering the object water W1 sent from the raw water tank 2, using a filtering device 11; and a water pouring well 4 for pouring object water W2 after processing of the removal processing means 3 into the underground. The capacity of the raw water tank 3 is set depending on a washing frequency and/or washing time for performing backwashing on the filtering device 11.SELECTED DRAWING: Figure 1
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Inventors:
ISHIKAWA AKIRA
SERIZAWA SADAMI
TAZAKI MASAHARU
HAYASHI HIDEHIKO
NIGIRIKAWA NAOHIRO
SERIZAWA SADAMI
TAZAKI MASAHARU
HAYASHI HIDEHIKO
NIGIRIKAWA NAOHIRO
Application Number:
JP2017103013A
Publication Date:
December 13, 2018
Filing Date:
May 24, 2017
Export Citation:
Assignee:
SHIMIZU CONSTRUCTION CO LTD
International Classes:
E02D19/10
Attorney, Agent or Firm:
Yasushi Matsunuma
Kenichi Kawabuchi
Nishizawa Kazumi
Masatake Shiga
Tadashi Takahashi
Yoshifumi Saeki
Kenichi Kawabuchi
Nishizawa Kazumi
Masatake Shiga
Tadashi Takahashi
Yoshifumi Saeki