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    • 15. 发明授权
    • System and method for testing gas migration process in coal-rock mass
    • 煤岩瓦斯迁移过程的系统和方法
    • US08418526B2
    • 2013-04-16
    • US13386050
    • 2010-07-15
    • Manchao HeChunguang WangHaijiang ZhangDejian Li
    • Manchao HeChunguang WangHaijiang ZhangDejian Li
    • G01N7/00
    • G01N7/14G01N7/16G01N2015/0866
    • A system and method for testing gas migration process in the coal and rock mass are disclosed. The method includes the following steps: selecting a cylindrical coal sample, applying an axial pressure and a radial pressure to the coal sample under a sealing state, and/or increasing temperature, to desorb gas absorbed by the coal sample; guiding the gas desorbed from the coal sample by a guiding passage, detecting gas flow rate and pressure, analyzing gas composition and content, and achieving a data statistics. The method provides a theory and data basis for researching the forming and occurring process of gas outburst accident in coal mine. The system is simple and easy to use, and is suitable for migration research of the gas absorbed in the deep coal-rock mass.
    • 公开了一种用于测试煤和岩体中气体迁移过程的系统和方法。 该方法包括以下步骤:选择圆柱形煤样,在密封状态和/或升高温度下向煤样施加轴向压力和径向压力,以解吸煤样吸收的气体; 通过引导通道引导从煤样中解吸的气体,检测气体流量和压力,分析气体组成和含量,并实现数据统计。 该方法为煤矿瓦斯突出事故形成和发生过程的研究提供了理论和数据依据。 该系统简单易用,适用于深层煤岩吸收气体的迁移研究。