保护层开采瓦斯治理的可行性分析.pdfVIP

2009 12 168 1 2 3 张会辰, 李建国, 王伟 ( 1. 陕西咸阳宋家沟煤矿, 陕西 咸阳 712000; 2. 山东王晁煤电集团新宏煤业有限公司, 山东枣庄 2774 15; 3. 平顶山天安煤业股份有限公司 矿, 河南 平顶山 467091) : 对平煤天安六矿保护层开采的瓦斯治理可行性进行了分 , 对己组煤的保护层进行了瓦斯涌出量对比 分 煤样突出参数对比分 和防突测试指标对比分 , 研究了瓦斯压力瓦斯含量变化, 并得到了翔实的科 学数据, 确定了保护层卸压角和保护层开采时瓦斯涌出来源, 为六矿开采保护层进行瓦斯综合治理提供了可 靠的参考依据, 并为开采保护层领域积累了 一定的经验 : 保护层开采; 瓦斯治理; 可行性分 : TD 7133 : A : 1003- 0506( 2009) 12- 0085- 03 Feasibility Analysis on Gas Control During P rotective Seam M ining 1 2 3 ZHANG H u-i chen , L J ian-guo , WANG W e i ( 1. Songj iagou CoalM ine, ShanxiProvince, X ianyang 712000, China; 2.X inhong Coal Industry Co., Shandong Wangchao Coal E lect ricity Group, Zaozhuang 277415, China; 3. No. 6M ine, P ingdingshan T ianan Coal Industry Co., L td., P ingd ing shan 467091, China) Abstract: T he paper ana ly sis the feasib ility of gas control during m in ing in protec tive seam ofN o. 6 Coa lM ine. T he comparative ana lysis on gas em iss ion, gas outburst param ete rs of coa l sam ples, and testing indexes of ou tburst prevention, are m ade out. T he artic le a lso ana- lysed the change of gas pressure and gas content, and go t the accurate de term ination of scientific data, pressure- re lief ang le and the re- source of gas gush ing w ere a lso dete rm ined. T hese conc lusion prov ided pow erfu l reference to the gas com prehensive contro l during pro- tective seam m in ing of N o. 6 Co alM ine, and a lso prov ided a scien tific exper ience in sphere of pro tective seam m in ing. K eywords: pro tective m ining; g as con tro l; feasib ility ana lysis 3 m / t, 11MP a, , 10,