【正文】
采煤工作面選用“四六”制,即三個班采煤一個班檢修, 采煤機日進六刀,往返一次進兩刀 。塊段平均厚度179。 井田境界確定的依據(jù) ; .安排地面生產(chǎn)系統(tǒng)和各建筑物; 展留有一定的空間; ,井田要有合理的走向長度,以利于井型的擴大和機械化程度的不斷提高; 根據(jù)以上原則,結合峻德礦井田的實際地質(zhì)情況可知: 井田走向長度: 5600 m 左右, 傾向長度: 3600 m 左右。 :本區(qū)內(nèi)煤層的灰份值是中部較上部和下部低,灰份值大約在 %3019? 之間,屬于中灰份煤,上部和下部煤層的灰份較高,都在 %30 以上,屬于富灰煤。水質(zhì)類型為重碳酸鈣鈉型。 完整的隔水層。傾角 ?? 3525? ,一般 ?30沿局部有波狀起伏。年平均降雨量為 mm600 左右,雨季集中在六,七,八三個月。 交通位置 礦區(qū)西部有鶴崗市至佳木斯和雙鴨山的鶴大公路,并且與礦區(qū)公路相連均是白色的二,三級水泥路面,東部也有哈蘿公路最后與鶴大公路相連,礦區(qū)鐵路與至鶴崗的國有鐵路在集配站接軌,交通十分便利。井田的北部邊界與興安煤礦相鄰 。為鶴崗煤田最南部的一個井田。 I 摘 要 本設計礦井為鶴崗礦業(yè)集團峻德煤礦 240 萬噸 /年新礦井設計,共有 2 層可采煤層 1 21。 關鍵詞: 通風設計 礦井通風系統(tǒng) 通風阻力 II Abstract The design of mine for Hegang Junde Coal Mining Group 2,400,000 tons / year of new mine design, a total of 2 coal seam layer 17 , 21 . Industrial grade coal is 1 / 3 coking coal, the design of mine recoverable reserves of 20700Mt, length of service for the 61a double shaft design bined to open up the way, divided into two levels, six mining area. Mining area at the middle of a mining area and the second mining area, the layout of a face, a joint arrangement, 17 , 21 layers separate mining. Mining methods to falling dow n a long wall coal mining law, mining technology for integrated mechanized top coal caving technology approach for the entire roof falling Act. Mine ventilation for partition type, the method of taking the type of ventilation, ventilation systems for the mining area and transport up the mountain track up the mountain into the wind, to wind up the mountain back to the wind, coal face using Utype upstream ventilation, the use of heading face pressurein ventilation, mine design to be easy to time the wind was 139 m3 / s, designed to be a difficult time for the air flow 146m3 / s. Elected to the main mine fan model BD NO22, the motor model YB35M28, and the structure of the mine ventilation required to set up their equipment. Key words : ventilation design mine ventilation system ventilation resistance III 目 錄 摘 要 ...................................................................................................... I Abstract .................................................................................................. II 目 錄 ....................................................................................................III 第 1 章 井田概況及地質(zhì)特征 ............................................................... 1 井田概況 .............................................................................. 1 井田位置及范圍 ............................................................. 1 交通位置 ........................................................................ 1 地形地勢 ........................................................................ 1 氣候 雨量 風向 風速 ................................................... 1 河流 ............................................................................... 2 地質(zhì)特征 .............................................................................. 3 礦區(qū)范圍內(nèi)的地層情況 .................................................. 3 井田范圍內(nèi)和附近的主要地質(zhì)構造 ............................... 3 煤層賦存狀況及可采煤層特征 ...................................... 3 井田內(nèi)水文地質(zhì)情況 ..................................................... 4 瓦斯 煤塵 煤的自燃性 .................................................. 5 煤質(zhì)、牌號及用途 ......................................................... 5 第 2 章 井田境界 儲量 服務年限 ..................................................... 6 井田境界 ................................................................................ 6 井田周邊狀況 ................................................................ 6 井田境界確定的依據(jù) ..................................................... 6 井田未來發(fā)展情況 ......................................................... 6 井田儲量 ................................................................................ 6 井田儲量的計算 ............................................................. 6 保安煤柱 ........................................................................ 7 儲量計算方法 ................................................................ 7 儲量計算的評價 ............................................................. 8 礦井工業(yè)制度、生產(chǎn)能力、服務年限 .................................... 8 礦井工作制度 ................................................................ 8 IV 礦井生產(chǎn)能力的確定 ..................................................... 8 礦井服務年限的確定 ..................................................... 9 第 3 章 井田開拓 ............................................................................. 10 選定開拓方案的系統(tǒng)描述 .................................................... 10 井硐形式和數(shù)目 ........................................................... 10 井硐位置及坐標 ........................................................... 10 水平數(shù)目及高度 ............................................................11 石門、大巷數(shù)目及布置 .................................................11 采區(qū)劃分 ...................................................................... 13 井硐布置和施工 ................................................................... 14 井硐穿過的巖層性質(zhì)及井筒支護 ................................. 14 井硐布置及裝備 ........................................................... 14 井筒延深的初步意見 ................................................... 17 開采順序 .............................................................................. 17 沿井田走向的開采順序 ................................................ 17 沿井田傾向的開采順序 ................................................ 17 礦井提 升系統(tǒng) ....................................................................... 17 第 4 章 采區(qū)通風 ............................................................................. 19 采區(qū)設計概述 ....................................................................... 19 設計采區(qū)的位 ,置 邊界 范圍 采區(qū)煤柱 ....................... 19 采區(qū)的地質(zhì)和煤層情況 .................