Tunnel fire-fighting water supply double-supply system
A fire-fighting pool and fire-fighting technology, which is applied to the water supply pipeline system, water supply main pipeline, water supply pool configuration, etc., can solve the problem of low utilization rate, achieve the effect of reduced power consumption, significant energy saving effect, and perfect water supply mode
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Embodiment 1
[0033] Such as Figure 1-4 As shown, the tunnel fire water supply dual supply system of this embodiment supplies water to the fire pool 1 through two water supply systems, specifically, the two water supply systems are: differential pressure water supply system 2 and pump water supply system 3 . Among them, the fire pool 1 is used to provide fire water; specifically, as figure 2 As shown, a water level signal device 14 is provided in the fire-fighting pool 1, and the water-level signal device 14 is provided with three sensing water levels for sensing whether the water level in the fire-fighting pool reaches the highest threshold water level 15, the lowest threshold water level 16 and the normal working water level 17, The normal working water level 17 is between the highest threshold water level 15 and the lowest threshold water level 16 . In addition, the bottom of the fire fighting pool 1 is provided with a water outlet pipe 12, and the water outlet pipe 12 is provided wit...
Embodiment 2
[0040] The difference between the tunnel fire-fighting water supply system of this embodiment and the first embodiment is that:
[0041] Such as Figure 5 As shown, the differential pressure water supply unit also includes a spare water pipe 26 for communicating with the water storage sedimentation tank and the fire-fighting pool; Specifically, the communication position of the standby water delivery pipe 26 and the water storage sedimentation tank is lower than the communication position of the water supply delivery pipe and the water storage sedimentation tank, so that when the water supply opening and closing valve of the storage tank on the water supply delivery pipe is opened, only the water storage The water in the sedimentation tank above the connection position between the water supply pipe and the water storage sedimentation tank is supplied to the fire fighting pool, and the water in the water storage sedimentation tank below the connection position between the water...
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