BALLAST WATER TREATMENT DEVICE

WIPO Patent Application WO/2014/132462

A1

In order to obtain a ballast water treatment device which enables efficient and effective filter cleaning, a ballast water treatment device has a configuration in which a cylindrical filter (2) through which ballast water flowing therein flows out after being subjected to filtration treatment is disposed in a casing (1), and is provided with: a filter rotation means (3) which rotates the filter (2) about the axis thereof; a drain means (4) which drains water in the casing (1); a high-pressure fluid jetting means (6) which is provided on the primary side or the secondary side or the primary side and the secondary side of the filter (2) and jets a high-pressure fluid toward the inner peripheral surface or the outer peripheral surface or the inner peripheral surface and the outer peripheral surface of the filter (2); and a control means (8) which opens a drain valve (7) of the drain means (4) when a ballast water treatment operation is stopped, and jets the high-pressure fluid toward the inner peripheral surface or the outer peripheral surface or the inner peripheral surface and the outer peripheral surface of the filter (2) by the high-pressure fluid jetting means (6) while rotating the filter (2) by the filter rotation means (3).

TANGE TOMOAKI (JP)
KAWAKAMI AKINORI (JP)
SHIRAISHI HITOSHI (JP)
ZENMAN YASUTOMO (JP)
SAITO YASUHIKO (JP)

PCT/JP2013/071492

September 04, 2014

August 08, 2013

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MIURA KOGYO KK (JP)

B63B13/00; B01D33/06

JP2011189237A	2011-09-29
JP2002018497A	2002-01-22
JP2011255365A	2011-12-22
JP2011005456A	2011-01-13
JP2009115500A	2009-05-28
JP2004141785A	2004-05-20

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