清除水电站输水管中垃圾和苔垢的新设备日本关东（Ｋａｎｔｏ）电力工程公司研制了一种能够有效清除水力发电厂输水管道表面上废物和苔垢的设备。这台设备向管壁喷出低压水以清除垃圾和苔垢。它能将清理管道所需的工作时间减少到常规方法的１／３．而所需的工人数量可以从... New equipment to remove garbage and moss from pipelines in hydropower stations Kanto Power Engineering Corporation of Japan has developed a device that effectively removes waste and moss from the surface of watermains in hydropower plants. This unit emits low-pressure water to the pipe wall to remove rubbish and moss. It reduces the working time required to clear the pipe to one-third of the conventional method. And the number of workers needed from ...