| 摘要 |
PURPOSE: A multi-spray type tunnel cleaning device is provided to remove impurities adhered to a wall of a tunnel and floating impurities in the air exactly and rapidly. CONSTITUTION: The multi-spray type tunnel cleaning device comprises water tanks(10,15) for storing water, pressure pumps(40,45) installed to water-supply pipes(30,35) to send out water under pressure, a feed pipe(70) connected to the water-supply pipes(30,35) to transfer the water fed by the pressure pumps(40,45) to a ceiling(5) of a tunnel(1), and a side spray nozzle(80) and a center spray nozzle for spraying the supplied water to the feed pipe(70) to the ceiling and the wall of the tunnel(1) to remove impurities.
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