LIQUID FILTER DEVICE AND BALLAST WATER TREATMENT DEVICE USING SAME

Title:

LIQUID FILTER DEVICE AND BALLAST WATER TREATMENT DEVICE USING SAME

Document Type and Number:

WIPO Patent Application WO/2014/024618

Kind Code:

A1

Abstract:

This liquid filter device is provided with: a filter membrane unit; a washing means that washes a filter surface of the filter membrane unit from a side to which liquid to be filtered is supplied; and a pressure detection means that detects the difference in pressure before and after filtering by the filter membrane unit. The filter membrane unit is provided with a double filter membrane. In addition, the liquid filter device is used as a filter device for seawater and has been made into a ballast water treatment device mounted in a marine vessel.

Inventors:

UEYAMA MUNETSUGU (JP)
KANAZAWA SHINICHI (JP)
NAKAI RYUSUKE (JP)

Application Number:

PCT/JP2013/068701

Publication Date:

February 13, 2014

Filing Date:

July 09, 2013

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SUMITOMO ELECTRIC INDUSTRIES (JP)

International Classes:

C02F1/44; B01D63/14; B01D65/02; B63B13/00

Domestic Patent References:

WO2008053826A1	2008-05-08
WO2010151447A1	2010-12-29

Foreign References:

JP2011194396A	2011-10-06
JP2006000798A	2006-01-05
JP2011005456A	2011-01-13
JPH0551323B2	1993-08-02
JPH0226605A	1990-01-29
JP4835785B2	2011-12-14

Other References: