| 摘要 |
PURPOSE: A dustproof device with a blocking wall is provided to prevent damage to a cutoff wall due to blasting pressure power and reduce blasting noise by the installation of the cutoff wall. CONSTITUTION: A dustproof device with a blocking wall comprises a cutoff wall(2) and an entry door(4). The cutoff wall is placed inside a gang and prevents the diffusion of dusts. The cutoff wall comprises a gateway. The gateway passes through a construction vehicle. The entry door opens and closes the gateway of the cutoff wall. The cutoff wall comprises a cutoff wall frame(10), filter screens(30,70), and partition members. The cutoff wall frame forms the outside of the cutoff wall. The filter screen shields the inner space limited by the cutoff wall frame. The partition member divides the space limited by the cutoff wall frame into multiple unit spaces. The filter screen is formed of unit screens mounted on the unit space. The entry door comprises an entry door frame and a filter screen. The entry door frame forms the outside of the entry door.
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