| 摘要 |
<p>Pump installation for sewage Esp. for pumping sewage contng. larger sized pieces without separation and processing of these. The collector feed pipe is connected in normal circumstances to the collecting reservoir by a feed pipe and a pump with its associated suction and delivery pipes, and in exceptional conditions the system is connected via an overflow situated as close as possible above the feed pipe to the sewag pit and consists of an overflow pipe, horizontally below which is fixed a grid, and separated from the incoming liquid flow by a vertical baffle wall which lies along the diameter of the pit and above the feed pipe.</p> |
