VENTILATOR OF AN ARCH TYPE TUNNEL, CAPABLE OF REDUCING INSTALLATION COSTS

摘要

PURPOSE: A ventilator of an arch type tunnel is provided to remarkably reduce initial costs, and to secure an enough visual range by effectively eliminating smoke when a fire.;CONSTITUTION: A ventilator of an arch type tunnel comprises a ventilation passage(110,120), suction ports(2), exhaust ports(3), a fan(4), a filter dust collector(5), a supply hole(6), and a controller. The ventilation passage is divided into two passages by a partition(130). The suction ports and the exhaust ports are formed in the ventilation passage to be connected to a tunnel. The fan is installed in the ventilation passage in which the suction ports are formed. The filter dust collector is connected to the fan. The supply hole supplies purified air to the ventilation passage in which the exhaust ports are formed. The controller electrically controls the fan and the filter dust collector.;COPYRIGHT KIPO 2010