How to operate ballast water treatment equipment and ballast water treatment equipment

Japanese Patent JP6296069

B2

PROBLEM TO BE SOLVED: To provide a ballast water treatment apparatus equipped with a configuration for enhancing filter cleaning effect and an operational method for the same.SOLUTION: A ballast water treatment apparatus comprises a cylindrical pleat filter retained to be rotatable around a cylindrical shaft, a drive mechanism that rotates the pleat filter, a treatment object water channel that makes treatment object water pass through to generate ballast water, a treatment object water nozzle extended from the treatment object water channel to flow out the treatment object water toward the outer peripheral surface of the pleat filter, a case having an outer cylinder provided for surrounding the pleat filter to have the nozzle port of the treatment object water nozzle inside, a filtrate water channel that leads filtrate water having penetrated the pleat filter outside of the case from inside of the cylinder of the pleat filter, an exhaust channel that exhausts water not having filtered by the pleat filter outside of the case, and a differential pressure adjustment mechanism for adjusting a differential pressure between the pressure of the treatment object water in the nozzle port of the treatment object water nozzle and the vessel pressure of the treatment object water in the case.SELECTED DRAWING: Figure 8

WO/2005/037401

SOLID CONTENT RECOVERY SYSTEM AND SOLID CONTENT RECOVERY METHOD

Shinichi Kanazawa

JP2016008669A

March 20, 2018

January 20, 2016

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Sumitomo Electric Industries, Ltd.

B01D33/82; B01D33/06; B63B13/00

JP2011194396A
JP2015123424A

Fukami patent office

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