北宿煤矿通风系统阻力测定及现状分析

为全面了解北宿煤矿通风系统现状,明确通风系统中存在的实际问题,为下一阶段的通风系统优化和通风管理工作指明方向和提供必要的基础数据和技术参数,采用精密气压计逐点测定法对北宿煤矿通风系统进行了阻力测定,对测定结果进行了系统分析,并提出了合理化建议。分析结果显示,此次通风阻力测定的相对误差小于5%,符合测定要求;系统回风段阻力值偏高;矿井总风阻为0.11Nos2om-8,矿井等积孔为4.1m2,现阶段的矿井通风难易程度属容易。为北宿煤矿今后的通风系统优化和通风管理工作奠定了基础。

Ventilation Resistance Measurement of Beisu Colliery and Present Situation Analysis

In order to comprehensively understand the existing situation of ventilation system of Beisu colliery,clarify some actual problems existing in ventilation system and show clearly direction and provide essential basic datas and technical parameters for ventilation system optimization and ventilation management,point-by-point method of precise barometer was used to do the ventilation resistance measurement.Reasonable suggestion was put forward after the analysis of measurement results.Analysis results show that the relative error of ventilation resistance determine is less than 5%,which according with the requisition;the resistance value of the air return part is slightly high;the total wind resistance is 0.11 Nos2om-8,the equivalent orifice is 4.1 m2 and the degree of difficulty to the mine ventilation is Easiness..The measurement lay a foundation for ventilation system optimization and ventilation management for Beisu colliery in the near future.