新久煤矿二井09mt_a通风设计毕业设计说明书(编辑修改稿)

新久煤矿二井09mt_a通风设计毕业设计说明书(编辑修改稿)内容摘要：

ield错误 !未定义书签。 Survey of mining area ....................................................... 错误 !未定义书签。 Traffic location ........................................................... 错误 !未定义书签。 The topography of the terrain ..................................... 错误 !未定义书签。 Rivers ......................................................................... 错误 !未定义书签。 Meteorology ............................................................... 错误 !未定义书签。 Mining economy ........................................................................................ 2 Water and Power ........................................................................................ 2 Current Situation of the local environmental protection ............................ 2 Geological Characteristics of the Coal Field..................... 错误 !未定义书签。 Geological structure ................................................................................... 3 Coal bed and coal quality ........................................................................... 4 Degree of geological exploration ............................................................... 5 Mine safety profile ............................................................................................ 5 Hydro geological characteristics .............................................................. 5 Gas storage conditions ............................................................................... 6 Coal dust explosion hazards and coal explosion prevention measures ...... 6 Nature of coal ............................................................................................. 7 Treatment of underground high temperature ............................................. 7 2 Mine reserves and production capacity................................................................ 8 Mine field level and reserves ............................................................................ 8 State Of Mine ............................................................................................. 8 Reserves ..................................................................... 错误 !未定义书签。 VIII Mine production capacity and service life ........................................................ 8 Mine system ............................................................................................... 8 Mine production capacity and service life ................................................. 9 3 Mine development .................................................................. 错误 !未定义书签。 Mine development ............................................................. 错误 !未定义书签。 Open up the way......................................................... 错误 !未定义书签。 The number of locations use of the wellbore and equipment错误 !未定义书签。 High level and phase of the vertical .................................. 错误 !未定义书签。 Level ........................................................................... 错误 !未定义书签。 Mining level of the main open up roadways .............. 错误 !未定义书签。 Mine band connection ..................................................................................... 21 Striped partition ........................................................................................ 21 Order and continue in stripe mining plan ................................................. 22 4 Ventilation design for the band ........................................................................... 23 Striped ventilation ........................................................................................... 23 Overview of the band ............................................................................... 23 Ventilation design principles and requirements of the band .................... 23 Striping parameters .................................................................................. 23 Preparation roadway layout of the band................................................... 24 With a production capacity of the region ................................................. 24 The ventilation system in coal mining face.............................................. 25 belt region production capacity ................................................................ 25 Design of local ventilation .............................................................................. 26 Local ventilation system design principles .............................................. 26 Local ventilation methods ........................................................................ 26 Selection of air duct ................................................................................. 27 Selection of auxiliary fan ......................................................................... 28 IX Local ventilation safety measures ............................................................ 31 5 Design of mine ventilation ................................................................................... 33 Gas cases of spontaneous bustion of coal dust ......................................... 33 Development of mine ventilation system ........................................................ 33 Mine Ventilation System Requirements .................................................. 33 Selection of mine ventilation system ....................................................... 34 Determine how the mine air ..................................................................... 37 Calculate the total air flow and distribution of the mine ................................. 38 Calculation of air flow ............................................................................. 38 Air distribution and regulation ................................................................. 40 Wind speed calculation .....................。