"自排沙廊道"专利技术在东雷抽黄灌区的应用

陕西省东雷抽黄灌溉工程的渠首进水闸处在黄河小北干流中段,多年来为泥沙问题困扰。陕西省渭南市东雷抽黄管理局在充分研究东雷抽黄灌区泥沙问题的基础上,发明了“自排沙廊道”专利技术,通过3年的运用测试表明,与国内外已有排沙工程相比,这一专利技术具有明显的优点,在多沙河流兴建的水利工程中值得推广。

Patent technology of "self sand relieving corridor" applied in Donglei Pumping Irrigation District

The sedimentation in Yellow River is the biggest in the World and the section with coarse sand is the main stream of Xiaobei. The intake of main canal of the Donglei Pumping Irrigation District is just located in this section, where is suffering from sediment problem for many years. On the basis of fully exploration of sediment problem, the management bureau of the irrigation district invented the patent technology of "self sand relieving corridor". After three years' operation, it is found that this technology is better than the existing sediment relief technologies both home and abroad and worth of extension in river with sedimentation.