矿井通风设计说明书--晓南矿26采区巷道布置及通风系统设计毕业论文.doc

《矿井通风 设计名称： 晓南矿26采区巷道布置 及通风系统设计 姓 名： 学 号： 2013441214 专业班级： 013级采矿工程2班 指导教师： 黄 旭 能源工程学院采矿工程教研室 二〇一年月 采矿工业是我国的基础工业，它在整个国民经济中占有重要地位，煤炭是我国一次能源的主体。我国煤炭生产以井下开采为主，其产量占煤炭总产量的95%。而地下作业首先面临的是通风问题，在矿井生产过程中要有源源不断的新鲜空气送到井下各个作业地点，以供人员呼吸，以稀释和排除井下各种有毒有害气体和矿尘，创造良好的矿内环境，保障井下作业人员的身体健康和劳动安全。向井下供应新鲜的空气和良好的供风系统是分不开的，所以在矿井建设的过程中一定要设计优良的通风系统，这样不仅可以满足井下供风的要求，还能很好的节约矿井通风的费用。 本文是针对矿井的建设，提出了行之有效的通风系统,在采区采用轨道上山进新风，运输上山回污风的通风方法，并起在工作面采用上行通风。分别计算了通风容易时期和通风困难时期的风量和风压，并以此为基础选用了矿井主要通风机和电机，设计的通风系统满足了矿井通风的要求。 Abstract The?mining?industry?is?the?basic?industry?of?our?country.?It?plays?an?important?role?in?the?whole?national?economy.?The?main?body?of?the?primary?energy?is?the?coal?in?our?country.?Coal?production?in?China?is?mainly?based?on?underground?mining,?and?its?output?accounts?for?95%?of?the?total?output?of?coal.?And?the?first?problem?of?underground?work?is?ventilation.In?mine?production?process,there?is?a?steady?stream?of?fresh?air?which?is?supplied?to?the?mine?shaft?to?each?work?place?,and?for?staff?to?breathe,?to?dilute?and?remove?varieties?of?toxic?and?harmful?gases?and?dust,?creating?good?mine?environment,?ensuring?the?labor?safety?and?health?of?the?underground?staffs.Supplying?fresh?air?to?the?underground??and?good?air?supply?system?is?inseparable,?so?ventilation?systemin?must?be?excellent?designed?in?the?process?of?mine?construction,?which?can?not?only?meets?the?requirement?of?underground?air?supply,?but?also?can?save?the?costs?of?mine?ventilation.?This?article?is?for?the?construction?of?the?mine,?and?puts?forward?the?effective?ventilation?system,?by?the?means?of?transporting?in?the?fresh?air?by?track,?transporting?out?the?polluted?air?ventilation?method,?and?in?the?face?of?the?uplink?ventilation.?And?calculating?the?air?volume?and?wind?pressure?in?the?difficult?period?of?ventilation?and?in?the?easy?period??of?ventilation.And?based?on?this,we?selected?the?main?mine?ventilator?and?motor.?The?ventilation?system?which?was?I?de