| 官地矿28412工作面采空区综合防灭火技术 |
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| 引用本文： | 李强. 官地矿28412工作面采空区综合防灭火技术[J]. 山东煤炭科技, 2021, 39(2): 99-101,114 |
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| 作者姓名： | 李强 |
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| 作者单位： | 山西西山煤电有限责任公司官地矿,山西 吕梁033000 |
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| 摘 要： | 针对官地矿28412工作面采用无煤柱开采技术,沿空留巷过程中采空区易漏风供氧,造成采空区遗煤自燃安全事故,采用了堵漏风、灌浆、三位一体预测预报等综合防灭火技术.综合防灭火技术的应用将工作面危险区域沿空侧CO浓度均控制在15 ppm 以下,有效消除了采空区遗煤自燃事故的发生,为实现28412无煤柱工作面安全开采提供了...
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| 关 键 词： | 无煤柱开采 沿空留巷 漏风 防灭火 |
Comprehensive Fire Prevention and Extinguishing Technology in Goaf of 28412 Working Face in Guandi Coal Mine |
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| Li Qiang. Comprehensive Fire Prevention and Extinguishing Technology in Goaf of 28412 Working Face in Guandi Coal Mine[J]. Shandong Coal Science and Technology, 2021, 39(2): 99-101,114 |
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| Authors: | Li Qiang |
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| Affiliation: | (Guandi Coal Mine of Shanxi Xishan Coal and Power Co.,Ltd.,Shanxi Lvliang 033000) |
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| Abstract: | In view of the coal pillar-free mining technology used in the 28412 working face of Guandi Mine,the goaf is easy to leak air and supply oxygen in the process of gob side entry retaining,which results in the safety accident of spontaneous combustion of coal left in the goaf.The comprehensive fire prevention and extinguishing techniques such as air leakage plugging,groutingTrinityprediction and forecast are adopted.The application of comprehensive fire prevention and extinguishing technology controls the CO concentration of dangerous area along the goaf below 15 ppm,effectively eliminates the occurrence of spontaneous combustion accident of coal left in goaf,and provides a guarantee for the safe mining of the 28412 coal-free working face. |
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| Keywords: | coal pillar-free mining gob side entry retaining air leakage fire prevention |
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