地下工程采用水动力全自动防洪闸应对供水管道爆管倒灌的应用研究

Study on the Application of Hydraulic Automatic Flood Gate in Underground Engineering to Prevent Flow Backward by Tube-burst of Water Supply Pipeline

我国城镇供水管道爆管事故率高,供水管道爆管特别是大口径供水管道发生爆管后出水最较大,当市政排水系统饱和时,污水会涌入地下工程,可能造成车库大量车辆被淹,导致重大财产损失,引发赂偿纠纷,甚至会导致人员伤亡。在地下工程出入口装配水动力全自动防洪闸,利用水浮力原理实现自动启闭拦截爆管出水,无需电力驱动,无需人员值守,有效避免地下工程倒灌水,避免财产损失,确保人员生命安全。

The tube-burst accident rate of water supply pipeline in cities and towns of China is high.After the water supply pipeline explosion,especially the large-diameter water supply pipeline explosion,the wrater output is large.When municipal drainage system is saturated,sewage will flow into the underground engineering works,which may cause a large number of vehicles in the garage to be flooded,leading to major property losses,compensation disputes,and even casualties.If the hydrodynamic automatic floodgates are equipped at entrance/exit of the underground engineering works,the water buoyancy principle is used to realize automatic open-close to intercept the water from the burst pipe,without electric drive and without personnel on duty,which can effectively prevent the underground wrater flow backward,avoid property loss,and ensure the safety of people's lives.