Method for removing dust from underground railway and deluge appratus using the same

摘要

PURPOSE: A water spray system with a dust removal device for a subway line is provided to reduce the maintenance cost for a subway by economizing in water by recycling waste water, and to remove the dust of a subway line economically and effectively. CONSTITUTION: The water spray system with a dust removal device for a subway line comprises a water tank collecting and storing underground water around a subway station building or the surrounding wall of a tunnel, a drainpipe connected with the water tank, a water spraying pipe(12) diverged from the drainpipe to be installed in a line along the surrounding wall(2) of a railway(1) and provided with many spraying holes, and a pump for spraying the underground water of the water tank to the spraying hole of the spraying pipe(12) through the drainpipe.