大型商场自动扶梯设置水幕喷头间距应当予以重视消防技术与产品信息中心专家顾问组华瑞龙现在很多大商场中都设置了自动扶梯，以方便顾客上下楼层，但是自动扶梯从棱板上穿过，在楼板上开了个大孔洞，将上下层连通了起来，一旦发生火灾，烟气、火焰都可能通过这个孔洞向上... Large shopping mall escalators set water curtain nozzle spacing should be given to the Fire Technical and Product Information Center Expert Advisory Group Huarui Long now many large shopping malls are set up in the escalator to facilitate customers to go up and down the floor, but the escalator through the edge of the plate , Opened a big hole in the floor, the upper and lower layers connected, in the event of a fire, flue gas, the flame may be through this hole up ...