鸡西市平岗煤矿矿井通风系统设计

我江钟牧大单1947毕业设计说明书摘要本设计为平岗煤矿矿井通风设计。井田共有两层可采煤层，煤层平均厚度为2.5m,平均倾角为13°，设计矿井可采储量为68.0Mt,设计生产能力为0.90M/a,服务年限为54a,矿井采用立井暗斜井、多水平、集中大巷、采区上山的开拓方式，矿井通风方式为中央分列式通风。采区通风系统为“U”型后退式。局部通风机型号为FBD5.6/2×15。本设计进行矿井风量和阻力计算，确定矿井通风容易时期需风量为132.39m3/s,总阻力为789.64Pa,等积孔为5.32m2。确定矿井通风困难时期需风量为141.12m3/s,总阻力为1502.26Pa,等积孔为4.21m2。确定主要通风机型号为FBCDZ-10-NO28B,电机型号为YBFe450M2-10。概算矿井通风吨煤成本为2.12元。关键词：通风系统设计；矿井通风；风量分配我江钟牧大单毕业设计说明书ABSTRACTThis design focuses on the ventilation system for Pinggang Coal Mine.Theminefield possesses two workable coal seams with an average thickness of 2.5 metersand an average inclination of 13 degrees.The designed mine's recoverable reservesare 68.0 million tons,with a design production capacity of 0.90 million tons perannum and a service life of 54 years.The mine adopts a vertical shaft hidden inclinedshaft,multi-level,centralized main roadway,and uphill development method.Themine ventilation system is of a central split-type configuration.The ventilation system for the mining areas is designed in a"U"shape with aretreating mining method.The local ventilator model is FBD5.6/2x15.This design involves calculations of the mine's airflow and resistance,determining that during the period of easy ventilation,the required airflow is 132.39m3/s,with a total resistance of 789.64 Pa and an equal-area orifice of 5.32 m2.Duringthe difficult ventilation period,the required airflow is 141.12 m3/s,with a totalresistance of 1502.26 Pa and an equal-area orifice of 4.21 m2.The main ventilatormodel is selected as FBCDZ-10-NO28B,and the motor model is YBFe450M2-10.The estimated ventilation cost per ton of coal is 2.12 yuan.Key words:Ventilation system design;Coal mine ventilation;Air volumedistribution效江斜枚大单毕业设计说明书目录摘要ABSTRACT1矿区安全概况及井田地质特征1.1矿区概况1.1.1交通位置1.1.2地形地貌1.1.3地面水系21.1.4气象特征21.2井田地质特征21.2.1地质构造21.2.2煤层赋存状况及可采煤层特征21.2.3煤岩性质与厚度特征31.3矿井安全概况1.3.1井田水文地质情况31.3.2矿井瓦斯41.3.3煤层自燃倾向性42矿井储量与生产能力52.1井田境界及储量2.1.1井田境界2.1.2井田储量..52.2矿井生产能力和服务年限63井田开拓83.1井田开拓方式f3.2水平划分及阶段垂高83.2.1水平划分.…8