碳纳米管对高浓瓦斯水合分离的动力学影响  

Effect of carbon nanotubes on hydration separation of high-concentration gas

作　　者：吴强 王冬[1,2] 崔嘉瑞 秦艺峰[1,2] Wu Qiang;Wang Dong;Cui Jiarui;Qin Yifeng(School of Safety Engineering, Heilongjiang University of Science & Technology, Harbin 150022, China;National Professional Center Lab of Safety Basic Research for Hydrocarbon Gas Pipeline Transportation Network, Heilongjiang University of Science & Technology, Harbin 150022, China)

机构地区：[1]黑龙江科技大学安全工程学院,哈尔滨150022 [2]黑龙江科技大学瓦斯等烃气输运管网安全基础研究国家级专业中心实验室,哈尔滨150022

出　　处：《黑龙江科技大学学报》2022年第3期327-332,共6页Journal of Heilongjiang University of Science And Technology

基　　金：国家自然科学基金项目(U21A20111)。

摘　　要：为提高煤矿瓦斯利用率,探究了碳纳米管对高浓瓦斯快速水合分离的影响。利用瓦斯水合物生成装置,通过瓦斯水合分离实验,分析了3种碳纳米管添加量对瓦斯水合动力学参数与分离效果的影响。研究结果表明:随着碳纳米管添加量的增加,瓦斯水合物的水合速率、气体消耗量、水合物相中CH_(4)的体积分数都呈现先上升、后下降的特征。与纯水体系相比,水合速率分别增长了0.172×10^(-6)、0.448×10^(-6)、0.004×10^(-6)mol/h,气体消耗量增加了0.282、0.456、0.188 mol,水合物相中CH_(4)的体积分数分别提高了4.46%、9.07%、2.17%。This paper aims to improve the utilization rate of coal mine gas by exploring the effect of carbon nanotubes on the rapid hydration separation of high-concentration gas.The research works toward using a gas hydrate generation device for the hydration separation test of high-concentration gas and analyzing the effects of different carbon nanotube addition levels on the gas hydration kinetic parameters and the separation results.The result shows that the experimental data derived fromgrowth rate,the gas consumption and the CH_(4) concentration in the hydrate phase of gas hydrate increases firstly and then decreases along with the increase of MWCNT addition;and compared with the pure water,the the hydration rate increases respectively by 0.172×10^(-6),0.448×10^(-6) and 0.004×10^(-6) mol/h,the gas consumption increases by 0.282,0.456,0.188 mol,and the CH_(4) concentration in the hydrate phase increases by 4.46%,9.07%and 2.17%.

关 键 词：瓦斯水合物 碳纳米管 生成动力学 水合速率 气体消耗量 

分 类 号：TD712[矿业工程—矿井通风与安全]