惰性气体N2/CO2抑制瓦斯爆炸实验研究

张迎新 吴强 刘传海 江丙友 张保勇

张迎新, 吴强, 刘传海, 江丙友, 张保勇. 惰性气体N2/CO2抑制瓦斯爆炸实验研究[J]. 爆炸与冲击, 2017, 37(5): 906-912. doi: 10.11883/1001-1455(2017)05-0906-07
引用本文: 张迎新, 吴强, 刘传海, 江丙友, 张保勇. 惰性气体N2/CO2抑制瓦斯爆炸实验研究[J]. 爆炸与冲击, 2017, 37(5): 906-912. doi: 10.11883/1001-1455(2017)05-0906-07
Zhang Yingxin, Wu Qiang, Liu Chuanhai, Jiang Bingyou, Zhang Baoyong. Experimental study on coal mine gas explosion suppression with inert gas N2/CO2[J]. Explosion And Shock Waves, 2017, 37(5): 906-912. doi: 10.11883/1001-1455(2017)05-0906-07
Citation: Zhang Yingxin, Wu Qiang, Liu Chuanhai, Jiang Bingyou, Zhang Baoyong. Experimental study on coal mine gas explosion suppression with inert gas N2/CO2[J]. Explosion And Shock Waves, 2017, 37(5): 906-912. doi: 10.11883/1001-1455(2017)05-0906-07

惰性气体N2/CO2抑制瓦斯爆炸实验研究

doi: 10.11883/1001-1455(2017)05-0906-07
基金项目: 

国家自然科学基金重点项目 51334005

国家自然科学基金项目 51274267

国家自然科学基金项目 51404102

国家自然科学基金项目 51404103

黑龙江科技大学国家级专业中心实验室开放课题项目 HKDGH-20140002

黑龙江科技大学国家级专业中心实验室开放课题项目 HKDGH-20140006

详细信息
    作者简介:

    张迎新(1978-),男,副教授

    通讯作者:

    刘传海,liuchuanhai0429@126.com

  • 中图分类号: O381;TD75

Experimental study on coal mine gas explosion suppression with inert gas N2/CO2

  • 摘要: 为探究惰性气体(N2和CO2)对瓦斯气体爆炸影响,采用中型尺寸瓦斯爆炸实验装置,在N2及CO2体积分数为0%、9%、14%工况下开展了瓦斯爆炸实验研究,获取了N2和CO2对矿井瓦斯抑爆特性的影响规律,并针对瓦斯爆炸过程中惰性气体N2和CO2对爆炸超压变化的影响及爆炸抑制效果进行了对比分析。结果表明:随着初始混合气体中惰性气体N2或CO2含量的升高,瓦斯爆炸超压均明显降低,CO2的抑爆效果优于N2;N2和CO2对较高浓度瓦斯气的抑爆效果更为显著。
  • 图  1  瓦斯爆炸实验系统

    Figure  1.  Experimental device of mine explosion

    图  2  N2对瓦斯气样G1爆炸超压的影响

    Figure  2.  Influence of N2 on explosion overpressure of mine gas G1

    图  3  N2对瓦斯气样G2爆炸超压影响

    Figure  3.  Influence of N2 on explosion overpressure of mine gas G2

    图  4  N2对瓦斯气样G3爆炸超压影响

    Figure  4.  Influence of N2 on explosion overpressure of mine gas G3

    图  5  工况2条件下瓦斯爆炸超压

    Figure  5.  Explosion overpressure of mine gas in condition 2

    图  6  工况3条件下下瓦斯爆炸超压

    Figure  6.  Explosion overpressure of mine gas in condition 3

    图  7  CO2对瓦斯气样G1爆炸超压的影响

    Figure  7.  Influence of CO2 on explosion overpressure of mine gas G1

    图  8  CO2对瓦斯气样G2爆炸超压的影响

    Figure  8.  Influence of CO2 on explosion overpressure of mine gas G2

    图  9  CO2对瓦斯气样G3爆炸超压的影响

    Figure  9.  Influence of CO2 on explosion overpressure of mine gas G3

    图  10  工况4条件下CO2对瓦斯爆炸超压的影响

    Figure  10.  Influence of CO2 on explosion overpressure in condition 4

    图  11  工况5条件下CO2对瓦斯爆炸超压的影响

    Figure  11.  Influence of CO2 on explosion overpressure in condition 5

    表  1  在气样G1、G2、G3充入不同比例N2后瓦斯气体组分

    Table  1.   Gas composition after filling different proportion of N2 in samples G1, G2, G3

    编号 工况1 工况2 工况3
    G1 7.00%CH4-19.53%O2-73.47%N2 6.42%CH4-17.92%O2-75.66%N2 6.14%CH4-17.13%O2-76.73%N2
    G2 9.40%CH4-19.03%O2-71.57%N2 8.62%CH4-17.46%O2-73.92%N2 8.25%CH4-16.55%O2-75.20%N2
    G3 10.20%CH4-18.86%O2-70.94%N2 9.36%CH4-17.30%O2-73.34%N2 8.95%CH4-16.54%O2-74.51%N2
    下载: 导出CSV

    表  2  在气样G1、G2、G3充入不同比例CO2后瓦斯气体组分

    Table  2.   Gas composition after filling different proportion of CO2 in mine gas G1, G2, G3

    编号 工况1 工况4 工况5
    G1 7.00%CH4-19.53%O2-73.47%N2 6.42%CH4-17.92%O2-67.40%N2-8.26%CO2 6.14%CH4-17.13%O2-64.45%N2-12.28%CO2
    G2 9.40%CH4-19.03%O2-71.57%N2 8.62%CH4-17.46%O2-65.66%N2-8.26%CO2 8.25%CH4-16.55%O2-62.92%N2-12.28%CO2
    G3 10.20%CH4-18.86%O2-70.94%N2 9.36%CH4-17.30%O2-65.08%N2-8.26%CO2 8.95%CH4-16.54%O2-62.23%N2-12.28%CO2
    下载: 导出CSV
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  • 收稿日期:  2015-12-30
  • 修回日期:  2016-07-08
  • 刊出日期:  2017-09-25

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