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滑坡实时监测预警系统的实验室实现
  • 期刊名称:中国地质灾害与防治学报
  • 时间:0
  • 页码:8-13
  • 分类:TD712[矿业工程—矿井通风与安全]
  • 作者机构:[1]中国矿业大学应用技术学院,江苏徐州221008, [2]永城煤电控股集团有限公司博士后科研工作站,河南永城476641, [3]重庆大学西南资源开发及环境灾害控制工程教育部重点实验室,重庆400044
  • 相关基金:国家自然科学基金资助项目(50974141);国家科技重大专项项目(2008ZX05034-002);国家自然科学基金重点项目(50534080)
  • 相关项目:循环荷载下含瓦斯煤抗剪性能及煤与瓦斯突出实时预报研究
中文摘要:

为探索Langmuir方程吸附常数与温度之间的变化规律,利用HCA型高压容量法吸附装置,针对重庆能源投资集团松藻煤电公司8^#煤层煤样,分别在温度为30℃、40℃、50℃、60℃、70℃条件下进行了煤对瓦斯的等温吸附实验。结果表明,当温度一定时,吸附量随瓦斯压力的升高逐渐增加并趋于一稳定值;压力一定时,随着温度的升高,煤的瓦斯吸附量呈下降趋势。

英文摘要:

In order to discover the variation law between the absorption constant of the Langmuir equation and the temperature, the absorption device of the HCA high pressure volumetric method was applied to the coal and gas isothermal adsorption experiment on the coal samples from No. 8 seam of Songzao Coal and Electric Power Company, Chongqing Energy Investment Group under the temperature conditions of 30 0℃ , 40 ℃, 50 ℃ , 60℃ and 70 ℃ individually. The results showed when the temperature was certain, the absorption value would be steadily increased with the gas pressure increased and would be at a stable value. When the pressure was certain, with the temperature increased, the gas absorption value from coal would be steadily declined.

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