【正文】 ................................ 48 Mine ventilation resistance easy and difficult two period mine total wind quantity ...................................................................................................... 48 Air volume distribution and regulation .................................................... 57 Checking the wind speed ...................................................................... 59 Calculating total resistance linxin ventilation ................................................. 65 Ventilation system work chart drawing .............................................. 65 ventilation easy period and difficulty maximal resistance route ........................................................................................................................... 67 Calculation of natural wind pressure ........................................................ 70 Calculation of two periods of the mine total wind resistance and total 8 equivalent orifice ..................................................................................... 71 Choose mine ventilation equipment ................................................................ 72 Requirement of Select mine ventilation equipment ................................. 72 Main fan choice ........................................................................................ 73 Mine ventilation cost estimates ....................................................................... 80 6 Ventilation structures with main fan attached device set ................................. 80 Ventilation structures settings and requirements ............................................. 80 air door ................................................................................................... 80 windshield ................................................................................................ 80 structure construction requirement ........................................ 84 Main fan attached device with requirements set ............................................. 84 7 Disaster prevention............................................................................................... 86 Gas prevention and control ............................................................................. 86 Dust prevention and control ............................................................................ 87 Fire prevention ................................................................................................ 88 Fire prevention ......................................................................................... 88 spontaneous bustion prevention measures ................................. 89 Flood prevention ............................................................................................. 90 Conclusions .............................................................................................................. 91 Acknowledgements .................................................................................................. 92 References ................................................................................................................ 93 1 1 礦區(qū)及安全概況井田地質(zhì)特征 礦區(qū)概況 交通位置 七星煤礦位于雙鴨 山市東南 50km，行政區(qū)劃分隸屬于雙鴨山市寶山區(qū)，地理座標(biāo)為東經(jīng) 131176。 Localventilator choice ................................................ 錯誤 !未定義書簽。 Local ventilation method ............................................. 錯誤 !未定義書簽。 Local ventilation design ..................................................... 錯誤 !未定義書簽。 Mining order ................................................................ 錯誤 !未定義書簽。 Order of mining area ....................................................................................... 25 Working area division .............................................................................. 25 Working area order ................................................................................... 25 4 Mine ventilation design ........................................................................................ 25 Mine ventilation .............................................................................................. 26 Mining situation ....................................................................................... 26 Initial mining ventilation design principles and requirements 錯誤 !未定義書簽。 Mine development ........................................................................................... 12 Mode of development .............................................................................. 12 shaft .......................................................................................................... 12 Level classification and stage vertical height .................................................. 13 Level classification ...................................................... 錯誤 !未定義書簽。 Border and reserves ...................................................... 錯誤 !未定義書簽。 Water and power .......................................................... 錯誤 !未定義書簽。 Coalfield development history .................................... 錯誤 !未定義書簽。 Rivers .......................................................................... 錯誤 !未定義書簽。 Traffic position ............................................................ 錯誤 !未定義書簽。 1 Mining area and security situation field geological characteristics 錯誤 !未定義書簽。 mechanization 1 目 錄 摘 要 .......................................................................................................................... I ABSTRACT .............................................................................................................. II Contents .......................................................................................................