Pollution prevention device for dredging job

摘要

Topic The pollution prevention device for dredging job which prevents the contamination of the water surface with the pollution around the dredging working area is offered to the earth and sand of the bed and the occasion where the sludge is dredged, with the work barge of the grab type dredger and the like.SolutionsThe pollution prevention device for dredging job at least has provided the water surface pollution control board in the surface of portion of one which touches to the earth luck ship of the framework arm. This water surface pollution control board has had inclination. Because of this, the clamshell is pulled up, the sludge which is discharged the occasion where it carries to the earth luck ship contacts the water surface pollution control board, pollution is reset to the inside of the frame according to inclination. In addition, this water surface pollution control board, through the elastic body, in the framework is supported with the flight readiness. Because of this, it is possible to prevent the damage of the water surface pollution control board with the collision of the earth luck ship. Choice figure Drawing 1