本文選題：石門揭煤 + 立井揭煤　； 參考：《安徽理工大學(xué)》2013年碩士論文

【摘要】：煤礦井下發(fā)生的煤與瓦斯突出事故是復(fù)雜的礦井動力現(xiàn)象之一,它的發(fā)生往往給礦井生產(chǎn)帶來嚴重的影響和破壞。煤礦煤與瓦斯突出大部分在揭煤時發(fā)生,因此揭煤突出是最主要的突出模式之一。在我國目前的技術(shù)發(fā)展水平下,穿層鉆孔卸壓預(yù)抽煤體瓦斯是煤礦揭煤的主要局部防突措施,這些措施的實施有效地防治了煤與瓦斯突出。但在實際中,鉆孔布置參數(shù)的選擇依據(jù)不統(tǒng)一,理論依據(jù)不足,常帶有不同設(shè)計人員的經(jīng)驗性,這導(dǎo)致了卸壓抽排鉆孔的有效性降低,生產(chǎn)成本增高；對于鉆孔布置參數(shù)也沒有完全實現(xiàn)計算機自動計算,在實際計算時耗時較長,有時存在較大誤差。另外,現(xiàn)有卸壓抽排鉆孔施工圖都是二維示意圖,不能直觀顯示揭煤鉆孔布置的可視化圖形。 因此,本文為了準確、快速地得出不同巷道與煤層位置關(guān)系下石門揭煤和立井揭煤卸壓抽排鉆孔參數(shù),自動繪制其可視化圖形以直觀地指導(dǎo)煤礦井巷揭煤卸壓抽排鉆孔的施工,采用解析幾何的方法建立石門揭煤和立井揭煤卸壓抽排鉆孔參數(shù)計算模型,并用AutoCAD中的可視化方法建立三維巷道、鉆孔及煤層的可視化模型,然后用VBA編程,設(shè)計出便于輸入不同條件參數(shù)的用戶界面,通過運行程序求得鉆孔布置參數(shù),繪制出可視化圖形。得出的圖形及設(shè)計參數(shù)與實際較為接近,可直接指導(dǎo)煤礦石門揭煤和立井揭煤卸壓抽排鉆孔的設(shè)計及施工,所建立的參數(shù)計算模型也可作為鉆孔設(shè)計人員的參考。
[Abstract]:Coal and gas outburst accidents in coal mine are one of the complex mine dynamic phenomena, which often bring serious influence and destruction to mine production. Most coal and gas outbursts occur in coal mining, so uncovering coal outburst is one of the most important outburst modes. Under the present technology development level of our country, the coal body gas is the main local anti-outburst measure in coal mine, which has effectively prevented coal and gas outburst. However, in practice, the selection of drilling layout parameters is not uniform, the theoretical basis is not enough, and often has the experience of different designers, which leads to the reduction of the effectiveness of pressure relief drainage drilling and the increase of production cost. The automatic calculation of drill hole layout parameters is not realized by computer either. It takes a long time in actual calculation, and sometimes there is a big error. In addition, the working drawings of pressure-relief drainage boreholes are all two-dimensional schematics, which can not visualize the layout of uncovering coal holes. Therefore, in order to be accurate, this paper can quickly get the parameters of the extraction and drainage of Shimen coal and vertical coal under different roadways and coal seam positions, and draw the visual figure automatically to guide the construction of coal unpressurized extraction and drainage drilling in coal mine roadways directly and intuitively. The analytical geometry method is used to establish the calculation model of the parameters of Shimen uncovering coal and vertical shaft unpressurized pumping hole, and the visualization model of 3D roadway, borehole and coal seam is established by the visualization method in AutoCAD, and then VBA is used to program the model. The user interface which is convenient to input different conditional parameters is designed, and the borehole layout parameters are obtained by the running program, and the visual figure is drawn. The figure and design parameters obtained are close to the actual situation, which can direct the design and construction of the unpressurized boreholes in the coal mine Shimen uncovering and the vertical shafts, and the calculation model of the parameters can also be used as a reference for the drill-hole designers.
【學(xué)位授予單位】：安徽理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TD713.3

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