ZHOU Quanchao, YANG Shengqiang, JIANG Xiaoyuan, SANG Naiwen. Research on dust distribution law and optimization of ventilation and dust reduction on fully mechanized heading face[J]. Journal of Mine Automation, 2019, 45(11): 70-74. DOI: 10.13272/j.issn.1671-251x.2019050026
Citation: ZHOU Quanchao, YANG Shengqiang, JIANG Xiaoyuan, SANG Naiwen. Research on dust distribution law and optimization of ventilation and dust reduction on fully mechanized heading face[J]. Journal of Mine Automation, 2019, 45(11): 70-74. DOI: 10.13272/j.issn.1671-251x.2019050026

Research on dust distribution law and optimization of ventilation and dust reduction on fully mechanized heading face

More Information
  • In order to determine influence of ventilation mode on dust distribution on fully mechanized heading face and explore dust reduction effect under different ventilation modes, the 209 fully mechanized heading face of Longde Coal Mine was taken as research object, and the software of FLUENT was used to simulate distribution of dust in the roadway and dust distribution law and dust reduction effect under combined pumping and pressure ventilation mode. Accuracy of numerical simulation was verified through field measurement. The analysis results show that the dust pollution in the roadway under the forced-in ventilation mode is serious, the area affected by dust is large and settlement is slow; the simulation results are basically the same as the measured dust concentration in the field, which virifies reliability of the numerical simulation results, and furthermore, the rationality of the established mathematical model and its parameter settings is explained; by comparing dust reduction effect of ventilation mode of long-pressure short-pumping and short-pressure long-pumping, the conclusion is got that the ventilation mode of long-pressure short-pumping has the best dust reduction effect when air outlet of the pressure cylinder is 5 m away from the working surface, and the dust concentration can be quickly reduced to below 6 mg/m3.
  • Related Articles

    [1]WANG Qingliang, QIN Jie, LIU Xinru. Identification and location method of asymmetric faults in coal mine power network[J]. Journal of Mine Automation, 2018, 44(12): 71-77. DOI: 10.13272/j.issn.1671-251x.2018070061
    [2]TIAN Zijian, DU Xinxin, FAN Jing, CAO Yangyang. Research on repeating coil of asymmetric magnetic coupling resonant wireless power transmission system[J]. Journal of Mine Automation, 2015, 41(12): 35-39. DOI: 10.13272/j.issn.1671-251x.2015.12.010
    [3]SHI Faqiang, QIU Jiacong. Study of new type of splitter applied in mine-used PON network protectio[J]. Journal of Mine Automation, 2014, 40(10): 8-11. DOI: 10.13272/j.issn.1671-251x.2014.10.003
    [4]ZHOU Yilong, XIONG Jiawei, DENG Jiewen, ZHAO Xian, YANG Pinghua, TONG Nian. Research of lightning protection method of direct distribution line of ventilator station of a coal mine[J]. Journal of Mine Automation, 2014, 40(2): 58-62. DOI: 10.13272/j.issn.1671-251x.2014.02.016
    [5]YI Xiao-fei, KANG Xiang, TENG Jin-zuo, LI Shan-shan. Probe on Problems of Combined Overvoltage Protector in Lightning Protectio[J]. Journal of Mine Automation, 2012, 38(9): 87-90.
    [6]WANG Xiu-hong. Reform and Extension of Substations of Liuzhuang Coal Mine and Lightning Protection of Its Overhead Distribution Lines[J]. Journal of Mine Automation, 2012, 38(8): 142-145.
    [7]XU Heng, TAO Feng-yuan, REN Wen-bin, ZHANG Dong, LIAO Zhi-hua. Reform of Lightning Protection of a Coal Mine Transmission Line[J]. Journal of Mine Automation, 2012, 38(8): 138-141.
    [8]ZHAO Zeng-yu, MA Gang, WANG Hong-di. Research of Technology of Lightning Protection and Lightning Resistance of High-voltage Lines of Mining Area[J]. Journal of Mine Automation, 2010, 36(9): 138-141.
    [9]ZHANG Cun-zhu, WANG De-guang. Implementation of Asymmetric Over-current Protection of Low-voltage Power Network of Mine[J]. Journal of Mine Automation, 2009, 35(12): 98-100.
    [10]MIAO Lu~, CHEN Xiao-ming~, MIAO Shi-hong~. Implementation of Modbus Communication Protocol Based on dsPIC33F Microcomputer Protectio[J]. Journal of Mine Automation, 2009, 35(11): 91-94.
  • Cited by

    Periodical cited type(6)

    1. 张明杰,邓文博,谭志宏,李旭泽,刘操,袁帅. 高位定向钻孔抽采瓦斯搭接部位研究与应用. 煤矿安全. 2024(05): 93-99 .
    2. 张明杰,邓文博,谭志宏,唐开敏,江山,尚志坚. 煤层顶板裂隙带空间网状结构滤纯甲烷研究. 煤炭科学技术. 2023(S1): 96-103 .
    3. 张育磊. 高瓦斯煤层群顶板定向长钻孔抽采技术研究. 矿业安全与环保. 2022(01): 59-64 .
    4. 白刚,杨忠,段会军. 定向高位长钻孔上隅角瓦斯治理技术. 工矿自动化. 2020(03): 84-88 . 本站查看
    5. 周银波,黄继磊,王思琪,赵周,许静心,陈亮. 下伏被保护层双重采动影响下覆岩瓦斯富集规律. 工矿自动化. 2020(04): 23-27+33 . 本站查看
    6. 闫保永,曹柳,张家贵. 煤层顶板裂隙带瓦斯抽采技术与装备探索. 煤炭科学技术. 2020(10): 60-66 .

    Other cited types(2)

Catalog

    Article Metrics

    Article views (90) PDF downloads (15) Cited by(8)
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return