| 摘要 |
PURPOSE:To dredge by separating water as possible within a trough having a scraper at every fixed pitch and formed by the belt top surface and the rising wall, in which the scraper conveys the mud together with the belt. CONSTITUTION:A dredger 1 comprises a hopper 2, a ladder 3, and a casing 4 located on a boat. The casing 4 comprises a rotary type digging cutter 14 and the mud elevator 17. The ladder 3 incorporates a belt conveyor 33 and a mud conveyor 29 with a chain conveyor 30 having a scraper 34, allowing the space formed between both conveyors to hold the soil to deliver, removing water downward, and enabling to improve the conveying efficiently owing to also having the converyor belt 35 at the bottom surface. |
