| 摘要 |
<p>It is disclosed a system for cleaning ballast water in a ship. The system includes a filter unit (2), a descaler (4) and a UV unit (3) installed in series. The filter unit includes a coarse (6) and a fine (10) filter section with cleaning devices (7, 11, 15) for continuously cleaning of the filter sections. The descaler includes a pipe section with a coil (17) wound thereon, and a signal generator for energizing the coil with a square wave signal that is swept in frequency. The UV unit includes a longitudinal cylindrical vessel with a water inlet and a water outlet, a number of glass tubes installed in the vessel, in the longitudinal direction thereof, and fluorescent UV tubes installed in the glass tubes.</p> |
