| 摘要 |
PROBLEM TO BE SOLVED: To provide a vacuum sewerage system capable of disposing sewage discharged from a building or the like even when a vacuum sewage pipe between a vacuum valve unit and a relay pump field can not be used. SOLUTION: This vacuum sewerage system has the vacuum valve unit having a sewage tank and the vacuum sewage pipe for transferring the sewage in the sewage tank with vacuum pressure. A connecting part for removably connecting a downstream pipe is provided in the vicinity of the downstream side of a gate valve, and a carrier vehicle is loaded with a collecting tank and a vacuum pump, and the vacuum sewage pipe connected to the collecting tank is connected to the downstream side of the connecting part. The vacuum sewage pipe on the downstream side of the connecting part is laid to be exposed on the ground through a hole for storing the connecting part.
|
