TUNNEL FIRE-FIGHTING WATER SUPPLYING SYSTEM

A tunnel fire-fighting water supply system, comprising a high-position water tank (1), a fire-fighting water tank (2), a water pipe (3) and a filter tank (4). The high-position water tank (1) is closed, and the high-position water tank (1) is provided on a mountain. The fire-fighting water tank (2) is provided at a tunnel, and the height of the high-position water tank (1) is greater than that of the fire-fighting water tank (2). One end of the water pipe (3) is fixedly connected to the high-position water tank (1), and the other end of the water pipe (3) is fixedly connected to the fire-fighting water tank (2). The water pipe (3) is communicated with both the fire-fighting water tank (2) and the high-position water tank (1). The filter tank (4) is provided inside the high-position water tank (1). The filter tank (4) is slidably connected to the high-position water tank (1), the sliding direction is arranged in the height direction of the high-position water tank (1), and the filter tank (4) is used for filtering gravel in water.