Title:
FILTFERING UNIT AND BALLAST WATER PRODUCTION EQUIPMENT PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2010/093025
Kind Code:
A1
Abstract:
A filtering system (1) in ballast water production equipment in a ship (S) is provided with a filtering unit (4) for filtering raw water (RW) taken into the ship (S) and supplying the filtered raw water to a ballast tank (6), a gas supply path (12) for supplying compressed air (A) to a depth filter (10) that forms a filtering membrane in the filtering unit (4) to thereby clean the depth filter, and a discharge path (14) for discharging the compressed air (A) that has cleaned the depth filter (10), together with the raw water (RW) in the depth filter (10), to the outside of the ship (S), the discharge path being connected to the filtering unit (4), wherein the pore diameter of the filtering membrane that forms the depth filter (10) falls within the range of 1-25 μm.
Inventors:
INOUE KEIDO (JP)
NISHIYAMA MASAKAZU (JP)
TAJIMA YASUHIRO (JP)
NISHIYAMA MASAKAZU (JP)
TAJIMA YASUHIRO (JP)
Application Number:
PCT/JP2010/052104
Publication Date:
August 19, 2010
Filing Date:
February 12, 2010
Export Citation:
Assignee:
KURARAY CO (JP)
INOUE KEIDO (JP)
NISHIYAMA MASAKAZU (JP)
TAJIMA YASUHIRO (JP)
INOUE KEIDO (JP)
NISHIYAMA MASAKAZU (JP)
TAJIMA YASUHIRO (JP)
International Classes:
B01D29/11; B01D29/66; B63B13/00; C02F1/32; C02F1/50; C02F1/76; C02F1/78
Domestic Patent References:
| WO2006132157A1 | 2006-12-14 |
Foreign References:
| JP2007284531A | 2007-11-01 | |||
| JPH0261407U | 1990-05-08 | |||
| JP2006142261A | 2006-06-08 | |||
| JP2007038172A | 2007-02-15 | |||
| JP2005342626A | 2005-12-15 |
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
Shuji Sugimoto (JP)
Shuji Sugimoto (JP)
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