压力渗流润湿煤体的实验研究EXPERIMENTAL STUDY ON WETTING COAL BY PRESSURE-SEEPAGE FLOW
金龙哲,宋存义,蒋仲安,李天昕
摘要(Abstract):
采用纯水和粘尘剂溶液 ,对不同煤质的压力渗流特性进行了研究。结果表明 ,煤体的层理方向和溶液的力学特性对压力渗流润湿煤体的效果影响很大。在中、低压力下 ,纯水的压力渗流湿润煤体的效果远不能满足煤层注水的要求 ,注水中添加粘尘剂等改变水的表面张力的物质 ,可大为提高相同压力注水润湿效果
关键词(KeyWords): 压力渗流;吸湿;煤层注水;粘尘棒
基金项目(Foundation): 上海大屯能源股份有限公司科研项目 (编号 :1 999- 1 2 )
作者(Author): 金龙哲,宋存义,蒋仲安,李天昕
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