| 摘要 |
<p>A swell compensation controls discharge pipe height to keep it above the seal bottom. Depositing device includes a pontoon (1) on which is mounted a revolving hexagonal drum (2) on which part pipe sections (3) are wound. Discharge pipe (3) consists of pipe sections (41) each connected to a rod (5). Pipe sections which are guided over a triangular or multi angled guide drum (7), then take up a vertical position enabling sand to be discharged and cover cable (8).</p> |
