Introduction to Huai'an Water Conservancy Project: The total area of ​​Huai'an Water Conservancy Project is 333.4 hectares, including 113.4 hectares of land area. It consists of 24 hydraulic structures including 4 large electric pumping stations, 11 culvert locks, 4 ship locks, and 5 hydropower stations. composition of matter. This is not only the node of the water transmission trunk line of the east route of the South-to-North Water Diversion Project, but also the control point where the water of the Huaihe River flows eastward into the sea.