【文章內(nèi)容簡介】 ...................................................................................................................57 ......................................................................................57 ...............................................................................................................58 ...............................................................................................................59 中國礦業(yè)大學 2020 屆本科生畢業(yè)設(shè)計 第 10 頁 風量、采區(qū)漏風量及有效風量 .................................................................59 .............................................................................................................................59 .................................................................................................59 .................................................................................................59 ....................................................................................................60 ....................................................................................................60 ...........................................................................................................61 .............................................................................................62 ......................................................................................................................62 ....................................................................................................62 ....................................................................................................62 ........................................................................................................65 ......................................................................................................................66 、困難時期的確定 ...............................................................................66 ....................................................................................................68 礦井主要通風機選型 ...........................................................................................................70 礦井自然風壓 ...........................................................................................................70 、風量、工作風阻 ............................................................................71 1. 風機風壓 .......................................................................................................................71 ........................................................................72 2. 電動機選型 ....................................................................................................................74 ...........................................................................................................75 .............................................................................................75 、風硐的基本要求 ..........................................................................................75 ......................................................................................75 .............................................................................................76 礦井通風費用概算 ..............................................................................................................76 ....................................................................................................77 ....................................................................................................78 ........................................................................................................79 ........................................................................79 安全監(jiān)控 ....................................................................................................................80 5 礦井安全技術(shù)措施 .........................................................................................................................81 。 ...........................................................................................................81 .............................................................................................................................81 況 ....................................................................................................81 ....................................................................................................81 .............................................................................................................................83 ....................................................................................................84 斯涌出概況 ..........................................................................................84 ....................................................................................................84 礦塵 .........................................................................................................................84 ......................................................................................85 東歡坨 礦瓦斯防治與預測 ..................................................................................................................87 1問題的提出 .............................................................................................................................87 2瓦斯研究的現(xiàn)實意義 ...............................................................................................................89 中國礦業(yè)大學 2020 屆本科生畢業(yè)設(shè)計 第 11 頁 3 礦井瓦斯 ................................................................................................................................89 ...........................................................................................................89 2. 按動力現(xiàn)象