白石水库位于辽宁省酉部大凌河干流，共设12个泄洪排沙底孔，每个底孔有3个通气孔，共36个，其中圆形通气孔24个；坝体校缝及挡水坝段、溢流坝段每3m设置一个排水孔．根据以往经验，要保证其定位准确不偏移，畅通不堵非常困难，因此急需研制一种既简单实用、又能保证施工质量的 Whitehead Reservoir is located in the western part of Liaoning Province, the Daling River, a total of 12 flood discharge sand bottom hole, each bottom hole has three vents, a total of 36, of which 24 round vents; Dam section, overflow dam every 3m to set a drainage hole. According to past experience, it is very difficult to ensure that its positioning does not shift accurately and unblocked. Therefore, it is urgent to develop a new type of equipment that is both simple and practical and can guarantee construction quality