秦皇岛港是我国重要的煤炭出口港。每逢干旱季节装卸煤炭时,港口及附近一带煤尘滚滚,空气中煤尘含量超过国家卫生标准几十甚至上百倍,成为当地一大公害。 为了清除这一祸患,该港采取了煤炭注水防尘的措施。在煤炭车辆进入港口调车、抄号、取样时,3台注水机同时往煤车里注入适量 Qinhuangdao Port is an important coal export port in China. Whenever loading and unloading coal during the dry season, the coal dust in the vicinity of the port and in the vicinity is rolling, and the dust content in the air exceeds the national health standards by tens or even hundreds times, becoming a major public hazard in the area. In order to eliminate this scourge, the port has taken measures to prevent coal dusting by water injection. Coal vehicles into the port shunting, copy number, sampling, 3 sets of water injection into the car at the same time the right amount