COMPACT AND OPERABILITY-ENHANCING MULTICAGE-TYPE DEVICE FOR FILTERING BALLAST WATER

摘要

A device for filtering for treating ballast water by way of a filtering method, and more particularly, to a compact and operability-enhancing multicage-type device for filtering ballast water, which distributes a lower portion of the device for filtering a discharge portion for discharging foreign substances after backwashing a filter and a backwash line, among features that are concentrated at an upper portion of the device for filtering, and communicates discharge tubes of each filtering unit in a single line, by considering the unique installation environment of the device for filtering that is coupled to a ship, thereby simplifying structure, reducing space required for installing the device for filtering in the upper portion of the device for filtering, allowing efficient maintenance by integrating foreign substance discharge and back pressure maintenance of each of the filtering units.

主权项

1. A multi-cage type ballast water filtering device having a compact structure and enhanced operability, comprising: a body having an inlet port and an outlet port through which ballast water is drawn into and discharged from the body; and a plurality of filtering units connected to each other to form a packaged structure in the body,
wherein each of the filtering units comprises: a filter filtering ballast water that flows through the body; and an automatic washing unit backwashing the filter to remove foreign substances adhering to the filter, the automatic washing unit comprises: a drive unit operating the automatic washing unit in response to a signal of a control unit; a suction unit connected to and moved by the drive unit, the suction unit sucking the foreign substances from the filter; and a discharge unit discharging the foreign substances sucked by the suction unit, and the discharge unit comprises a discharge pipe forming a passage through which foreign substances are discharged, the discharge pipe being disposed below the body and communicating with the filter of the corresponding filtering unit, whereby spatial efficiency in a ship is enhanced, and the structure of the filtering device is simplified.