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Patent Searching and Data


Title:
BALLAST WATER TREATMENT DEVICE AND BACK-WASHING METHOD FOR BALLAST WATER TREATMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/103854
Kind Code:
A1
Abstract:
A ballast water treatment device comprising: a cylindrical pleated filter held so as to be capable of rotating centered on the axis of the cylinder; a driving mechanism for rotating the pleated filter; a treatment water nozzle for causing the water to be treated to flow toward the outer circumferential surface of the pleated filter; a case provided so as to surround the pleated filter and having an outer cylindrical section equipped therein with the nozzle spout of the treatment water nozzle; a filtered water flow channel for leading the filtered water that has passed through the pleated filter out from the inside of the pleated filter cylinder to the outside of the case; and a discharge flow channel for discharging effluent that has not been filtered by the pleated filter to the outside of the case. The ballast water treatment device is provided with a back-washing mechanism for supplying rinsing water to the inside of the pleated filter cylinder through the filtered water flow channel.

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Inventors:
HARADA RYOJI (JP)
UEYAMA MUNETSUGU (JP)
KANAZAWA SHINICHI (JP)
YAHAGI SATOSHI (JP)
OZAWA ISAO (JP)
Application Number:
PCT/JP2013/084035
Publication Date:
July 03, 2014
Filing Date:
December 19, 2013
Export Citation:
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Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
B01D33/06; B01D24/38; B01D33/70; B63B13/00
Foreign References:
JP2011194396A2011-10-06
JPS6242732Y21987-11-02
JP2007130563A2007-05-31
JP2007160242A2007-06-28
JP2008212852A2008-09-18
JP2011255365A2011-12-22
JP2014034002A2014-02-24
JP4835785B22011-12-14
Other References:
See also references of EP 2939724A4
Attorney, Agent or Firm:
NAKATA, Motomi et al. (JP)
Nakada Motoki (JP)
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