A Reversible Pressurized Water Recoverable Tunnel Drainage System and Method
A technology for tunnel drainage and tunneling, which is applied to drainage, earth-moving mining, mining equipment, etc., can solve the problems of sediment blockage in the siphon pipe and difficult maintenance of the tunnel siphon drainage system, so as to achieve stable and reliable device, fast and efficient start-up of siphon, Simple operation method
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[0027] Such as figure 1 , figure 2 As shown, this embodiment provides a reverse-pressurized tunnel drainage system that can be restored. The system includes a borehole 1, a siphon 2, a side ditch 4, and a reverse-pressurized device 3. Borehole 1, the water inlet of siphon pipe 2 is placed in borehole 1, the water outlet of siphon pipe 2 is placed in a closed water tank 31, the elevation of the top of water tank 31 is lower than that of the bottom of borehole 1, and water tank 31 is made of transparent material , the reverse pressure water device 3 is located on the subgrade slope 7 outside the tunnel, and the reverse pressure water device 3 includes a water tank 31, an exhaust pipe 32, a valve A33, a drain pipe 34, a valve B35, a gas cylinder A81, a gas cylinder B82, a diversion Pipe 83, branch pipe 87, pressure gauge 84, air guide pipe 85, valve C86, one-way valve 88, water tank 31 is arranged on the roadbed slope 7, exhaust pipe 32 is installed on the top of water tank 31,...
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