| 摘要 |
<p>PROBLEM TO BE SOLVED: To discharge no bubbles from a mud hold to the outside of a dredger. SOLUTION: This dredger 100 is provided with a hull 102 with the mud hold for storing dredged soil and a loading device 120 for collecting bottom mud together with water around to throw it into the mud hold. The dredger 100 is further provided with drain opening parts 10, 116 for draining supernatant water separated by the action of gravity from the dredged soil stored in the mud hold 110, to the outside of the mud hold from the upper part of sediment in the mud hold, and a submerged weir 20 provided adjacently to the drain opening parts 10, 116 and extended on the lower side of the water surface from above the water surface in the mud hold 110.</p> |
