A ballast water treatment apparatus includes a cylindrical pleated filter that is rotatably held about an axis of a cylinder, a driving mechanism that rotates the pleated filter, an untreated water nozzle that ejects untreated water toward an outer circumferential surface of the pleated filter, a case that is provided so as to surround the pleated filter and that includes an outer cylindrical portion including a nozzle opening of the untreated water nozzle therein, a filtered water flow path that guides filtered water that has permeated through the pleated filter from the inside of the cylinder of the pleated filter to the outside of the case, and a discharge flow path that discharges discharged water that has not been filtered by the pleated filter to the outside of the case. The ballast water treatment apparatus further includes a reverse cleaning mechanism that supplies cleaning water to the inside of the cylinder of the pleated filter through the filtered water flow path.
BALLAST WATER TREATMENT APPARATUS AND REVERSE CLEANING METHOD FOR BALLAST WATER TREATMENT APPARATUS
2015-11-26
Patent
Elektronische Ressource
Englisch
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