摘要
为研究不同注水条件对煤样瓦斯解吸规律的影响,采用自行研制的吸附-注水-解吸试验装置,分别进行不同吸附平衡压力、不同注水压力、不同注水介质条件下煤样瓦斯解吸特性实验.结果表明:吸附平衡压力越大,相同时间内煤样瓦斯解吸总量越大;注水压力主要影响煤样瓦斯达到相对解吸平衡时间和累积瓦斯解吸量;注表面活性剂溶液比注纯水煤样相同条件下瓦斯解吸量小,对煤样瓦斯封堵作用更明显.该成果对煤层注水防治矿井瓦斯具有一定的指导意义.
To study how water injection influences gas desorption laws, the authors developed a new installation for the adsorption-injection-desorption experiment, and conducted the experiments that reflected gas desorption characteristic at different pressures of adsorption equilibrium and water injection, and in different injection mediums. The results show that:(1) The greater the pressure of adsorption equilibrium, the more the gas desorption amount during the same time.(2) The water injection pressure has mainly effects on the relative desorption equilibrium time and the desorption amount.(3) The desorption amount of surfactant injection is less than water injection in the same conditions, and the impacts on gas plugging is more obvious. Finally, the results have certain guiding significance on gas prevention and control with water injection.
出处
《辽宁工程技术大学学报（自然科学版）》
CAS
北大核心
2013年第10期1310-1313,共4页
Journal of Liaoning Technical University (Natural Science)
基金
教育部新世纪优秀人才支持计划基金资助项目(NCET-11-0837)
中央高校基本科研业务基金资助项目(2011SYSJJ01)
关键词
吸附平衡压力
注水压力
表面活性剂
瓦斯解吸量
瓦斯解吸速度
adsorption equilibrium pressure
water injection pressure
surfactant
gas desorption amount
gas desorption rate
