内蒙阿拉善盟地处大陆腹地,具有典型的大陆性气候特点。境内没有大河流,但地下水丰富,埋深约1～5米,含水层一般为中细沙。1986年9月阿拉善左旗水利局在乌兰布和、腾格里沙漠一带打了14眼塑料管流沙井,为以户为单位的小草库伦解决了水源问题。塑料管井的特点就是使用塑料滤水管。反滤料的粒径只要大于含水层粒径,小于5毫米 Inner Mongolia Alxa League is located in the hinterland of the mainland, with a typical continental climate characteristics. There is no large river, but rich in groundwater, buried about 1 to 5 meters, aquifer generally fine sand. In 1986 September Alxa Left Banner Water Conservancy Bureau in Ulan Buhe, Tengger Desert hit 14 plastic pipe manholes, as a unit of grass coulomb solved the water problem. Plastic tube wells are characterized by the use of plastic filters. The size of the filter material is longer than the aquifer size, less than 5 mm