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yong tie li lv shui guan xiu li yong sha jiu jing shi li
Author(s): 
Pages: 59
Year: Issue:  1
Journal: Hydrogeology and Engineering Geology

Keyword:  贴砾滤水管成井工艺涌砂填砾滤砂水井过滤器合成树脂贴砾管石英砂建造工程;
Abstract: <正> 贴砾滤水管是一种新型水井过滤器,它是用合成树脂将一定粒度的石英砂粘到钢制衬管上制成的,具有良好的透水、滤砂性能,已大量用于水井建造工程。 涌砂是影响水井寿命和水质的重要原因。一般成井工艺多釆用缠丝滤水管,有些由于填砾不当,造成涌砂以致报废。为探索修复涌砂井,我们使用贴砾滤水管进行了新的尝试,取得了良好的效果。
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