摘要
在砂土含水层取水如何降低成井含砂量。采用的方法有增大滤料厚度,充分滤去水中颗粒;滤料采用颗粒级配适当的优质石英砂;采用新型T形丝滤水管等。
How to reduce sand content of digging well when pump water from the sand aquifer, the method is to thicken the filter layer and fully filtrate granule in the water. The filter material must equip excellent quartz sand with proper granule grade and new T screen filter pipe and so on.
出处
《地下水》
2004年第2期127-128,共2页
Ground water
关键词
含砂量
滤料
级配
黄河
sand content, filter material and grade
