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采礦畢業(yè)設(shè)計設(shè)計說明書-展示頁

2024-09-27 23:57本頁面
  

【正文】 m buries shallow or in the mountain, its main characteristic is working underground, bad working environment , so the ventilating and the safety measure is of particular importance. On the whole, we have various mining methods based on the difference of economic geographical position, the various geological condition of the coal seam. The opening up and mining design proceeds according to the above factors, and the design choose various mining techniques for parison. The design aims at the coal mine of Taoyuan, the contention includes the general situation of the mine field and its geological characteristics, the ventilating design and the technological measure of the coal mine safety. The general situation of the mine field mainly includes the geography, the topography and the traffic of the mine area。 井田概況主要包括礦區(qū)的地理、地形和交通;礦井的地理位置、井田范圍;礦區(qū)的氣象條件、地震烈度、電源和水源的概況;井田地質(zhì)特 征、煤層及煤質(zhì)概況以及水文地質(zhì)條件概況等。本次設(shè)計根據(jù)以上因素進行開拓開采設(shè)計,并選擇多種開采技術(shù)進行對照比較。 1 目 錄 摘 要 ............................................................... I ABSTRACT ............................................................. II 引 言 ............................................................... 1 1井田概況及地質(zhì)特征 .................................................. 2 礦區(qū)井田地理概況 .............................................. 2 礦區(qū)地理、交通及地形 .................................... 2 礦區(qū)氣候及地震強度 ...................................... 3 礦井地質(zhì)特征 .................................................. 3 礦井地質(zhì)構(gòu)造 ............................................ 3 斷層發(fā)育特征及控制 情況 .................................. 7 巖漿巖的分布及其影響 .................................... 8 煤層及煤質(zhì) .................................................... 9 煤層 .................................................... 9 煤質(zhì) ................................................... 12 礦井水文地質(zhì) ................................................. 15 瓦斯、煤塵和煤的自燃 ......................................... 16 瓦斯 ................................................... 16 煤塵 ................................................... 16 煤的自燃 ............................................... 17 地溫與地壓 ................................................... 18 地溫 ................................................... 18 地壓 ................................................... 19 地質(zhì)勘探程度及存在問題 ....................................... 19 2井田開拓 ........................................................... 20 井田境界及儲量 ............................................... 20 井田境界 ............................................... 20 儲量 ................................................... 20 礦井設(shè)計生產(chǎn)能力及服務(wù)年限 ................................... 21 礦井工作制度: ......................................... 21 礦井設(shè)計生產(chǎn)能力及服務(wù)年限 ............................. 21 井田開拓 ..................................................... 23 開拓方式的選擇 ......................................... 23 井位及工業(yè)廣場位置選擇 ................................. 23 水平劃分 ............................................... 25 采區(qū)劃分 ............................................... 26 井筒 ................................................... 28 2 井底車場 ............................................... 30 采區(qū)設(shè)計 ..................................................... 32 采區(qū)布置 ............................................... 32 采區(qū)特征及煤層賦存 ..................................... 32 采區(qū)上山布置 ........................................... 33 區(qū)段劃分、車場形式 ..................................... 35 工作面命名及回采 ....................................... 36 采區(qū)生產(chǎn)系統(tǒng) ........................................... 37 3礦井通風(fēng)設(shè)計 ....................................................... 38 通風(fēng)系統(tǒng)的確定 ............................................... 38 通風(fēng)系統(tǒng)選擇的依據(jù)和條件 ............................... 38 礦井通風(fēng)系統(tǒng)選擇的影響因素 ............................. 39 礦井通風(fēng)系統(tǒng)的選擇 ..................................... 39 采區(qū)通風(fēng)系統(tǒng)的選擇及確定 ............................... 40 工作面風(fēng)流路線及風(fēng)流控制 ............................... 41 礦井風(fēng)量的計算及分配 ......................................... 41 礦井需風(fēng)量計算 ......................................... 42 礦井需風(fēng)量的分配 ....................................... 48 通風(fēng)阻力計算 ................................................. 49 風(fēng)速校核 ............................................... 49 兩個時期的選擇 ......................................... 49 礦井通風(fēng)容易與困難時期的最大阻力 ....................... 49 通風(fēng)設(shè)備的選型設(shè)計 ........................................... 51 選擇主要通風(fēng)機 ......................................... 51 選擇主要電動機 ......................................... 63 4安全措施 ........................................................... 65 防滅火措施 ................................................... 65 井下外因火災(zāi)事故的預(yù)防 ................................. 65 井下內(nèi)因火災(zāi)事故預(yù)防 ................................... 65 地面火災(zāi)的預(yù)防 ......................................... 66 預(yù)防火災(zāi)擴大的措施 ..................................... 67 防塵措施 ..................................................... 68 瓦斯防治 ..................................................... 70 防止瓦斯引燃的原則 ..................................... 70 防止瓦斯積聚的措施 ..................................... 71 預(yù)防煤與瓦斯突出的措施 ................................. 72 掘進突出安全防護措施 ................................... 72 組織措拖與崗位責(zé)任制 ................................... 75 3 防水措施 ..................................................... 75 降溫措施 ..................................................... 76 通風(fēng)降溫 ............................................... 76 減少熱源 ............................................... 76 選擇適宜的開采順序 ..................................... 76 提升、運輸及供電安全 ......................................... 77 提升 ................................................... 77 運輸 ................................................... 77 供電 ................................................... 77 礦井
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