Prevent sedimentation ballast tank

The utility model discloses a prevent sedimentation ballast tank, including ballast tank body, half watertight subdivision board of ballast tank, gravity inductor, mobile ceiling, half watertight subdivision board of ballast tank set up cabin before the front deck part of ballast tank body forms, the bottom in preceding cabin is equipped with mobile ceiling, the lower part of mobile ceiling is equipped with the gravity inductor, gravity inductor electricity connection director, the power device who draws mobile ceiling is controlled to the controller. The beneficial effects of the utility model are that: the ballast tank is discharged at the front deck and through the function of portable bottom plate the most deposit of original evenly distributed's silt with silt, can significantly reduce under the loaded circumstances of normal ballast water like this to the work load of ballast tank silt clearance, and this maintenance duration and expense that not only can reduce boats and ships can also reduce the structure deteriorate of deposit silt to the ballast tank.