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Author:
Journal / Book Title:
Year:
Volume:
Issue:
tian liao zhen kong jing
Author(s):
CHENG Xinghua
Pages:
181
-
182
Year:
1987
Issue:
3
Journal:
Underground Water
Keyword:
真空井
;
填料
;
开发地下水
;
经济效益
;
河北平原
;
浅层地下水
;
单井出水量
;
含水砂层
;
过滤结构
;
含水层
;
Abstract:
<正> 河北平原开发地下水高潮中,涌现出一种新井型,叫做填料真空井。该井型是从手压真空并发展到机带真空井后,为进一步提高单井出水量,在采取增大孔径,回填砾料改进过滤结构,扩大进水面积等新工艺的基础上试验成功的。由于成井质量可靠,经济效益显著。
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