Reverse pressurized water recoverable tunnel drainage system

The utility model discloses a reverse pressurized water recoverable type tunnel drainage system which comprises a siphon generating device and a drainage well installed in a tunnel, the siphon generating device is located outside the tunnel, the height of the siphon generating device is lower than that of the drainage well, a plurality of siphon pipelines are arranged between the siphon generating device and the drainage well, and the siphon pipelines are communicated with the drainage well. The siphon generating device is communicated with the drainage well through a siphon pipeline; the utility model aims to provide a reverse water pressing recoverable tunnel drainage system, which can repeatedly perform siphon starting in the operation process of a siphon drainage system, ensure the operation of the tunnel drainage system, and can clean sludge blockage in a siphon pipeline. 本实用新型公开一种逆向压水可恢复式的隧道排水系统，包括有虹吸发生装置和安装在隧道内的排水井，该虹吸发生装置位于隧道外，且虹吸发生装置的高度低于排水井的高度，虹吸发生装置与排水井之间设有若干虹吸管道，虹吸发生装置与排水井通过虹吸管道连通；本实用新型的目的是提供一种逆向压