【摘要】：礦井瓦斯事故嚴重威脅我國煤礦的安全生產;但同時,礦井瓦斯又是一種潔凈、高效的能源。解決礦井瓦斯問題,除了加強礦井通風外,另一個重要的解決手段就是實現(xiàn)瓦斯抽采。所以,礦井瓦斯抽采既能消除瓦斯事故隱患,保障煤礦安全生產,又能提供大量的清潔能源。本文在綜述國內外瓦斯抽采現(xiàn)狀的基礎上,以滎經縣鳳凰煤業(yè)有限公司為研究對象,根據(jù)《煤礦瓦斯抽采達標暫行規(guī)定》等的要求,采用安全檢查表分析法編制了高瓦斯礦井瓦斯抽采達標基礎條件評價檢查表。針對礦井煤層薄、瓦斯含量高、透氣性差、地質條件差的特點,對鳳凰煤礦頂板高位鉆孔瓦斯抽采方法的抽采效果進行了評價。通過編制的基礎達標考核評分表和現(xiàn)場實測數(shù)據(jù)的統(tǒng)計分析、計算,評判了鳳凰煤礦的瓦斯抽采達標,驗證了頂板高位鉆孔瓦斯抽采方法作為礦井瓦斯抽采主要方法的合理性,并提出了改進對策。研究表明,鳳凰煤礦采用頂板高位鉆孔瓦斯抽采方法后,提高了采煤工作面瓦斯抽采率,消除了采煤工作面瓦斯積聚現(xiàn)象,實現(xiàn)了瓦斯能源的安全、高效、綠色開采。
[Abstract]:Mine gas accident is a serious threat to the safety of coal mine production in our country, but at the same time, mine gas is a clean and efficient energy source. Besides strengthening mine ventilation, another important solution to solve mine gas problem is to achieve gas drainage. Therefore, mine gas extraction can not only eliminate the hidden trouble of gas accident, guarantee the safe production of coal mine, but also provide a large amount of clean energy. On the basis of summarizing the present situation of gas drainage at home and abroad, this paper takes Fenghuang Coal Industry Co., Ltd in Yingjing County as the research object, and according to the requirements of the interim regulations on Gas drainage Standards in Coal Mines, The safety check table analysis method is used to compile the evaluation check table of the basic conditions for gas drainage in high gas mine. In view of the characteristics of thin coal seam, high gas content, poor gas permeability and poor geological conditions, this paper evaluates the extraction effect of high-position drilling gas extraction method in the roof of Fenghuang Coal Mine. Through the statistical analysis of the basic standard check-up scale and the field measured data, the gas drainage standard of Fenghuang Coal Mine is evaluated, and the rationality of the gas drainage method of the roof high-position drilling hole as the main method of mine gas drainage is verified. At the same time, the improvement countermeasures are put forward. The research shows that the gas drainage rate of coal face is improved, the gas accumulation phenomenon is eliminated, and the safety, high efficiency and green mining of gas energy are realized by adopting the method of gas drainage with high roof drilling in Fenghuang Coal Mine.
【學位授予單位】：四川師范大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TD712.6

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本文編號：2438332