多孔渗灌管的防堵措施研究

对渗灌管堵塞的原因和机理进行了分析 ,从水质处理、PE管上冲孔及孔口防护等方面采取了综合防堵措施 ,在大田试验的基础上结合模拟试验 ,推算渗灌工程正常运行的年限达 6～ 7年以上 ,基本上解决了多孔渗灌管的易堵塞问题

Research on the Measures for Preventing Clogging of Perforated Pipe for Sub-surface Irrigation

Clogging control of perforated pipe for sub surface irrigation is an important measure for ensuring the normal operation of sub surface irrigation project and prolonging the project service life. For this purpose, the cause and mechanism of pipe clogging for sub surface irrigation is analyzed and the comprehensive measures for clogging control such as water treatment, the punching of holes in PE pipe and orifice protection were adopted in the research. Field and simulation tests have shown that with the comprehensive measures, clogging of perforates pipes for sub surface irrigation can be controlled and the service life of sub surface irrigation project can last as long as six or seven years as it is calculated.