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现代矿业 2019, Vol. 35 Issue (04) :163-166    DOI:
安全·职业健康 最新目录 | 下期目录 | 过刊浏览 | 高级检索 << Previous Articles | Next Articles >>
鸡冠嘴金矿复杂通风系统优化改造
院雷,李娜*
湖北三鑫金铜股份有限公司
Optimization and Design of the Complicated Ventilation System of Jiguanzui Gold Mine
Yuan Lei,Li Na*
Hubei Sanxing Gold and Copper Co.,Ltd.

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摘要 鸡冠嘴金矿已逐步进入深部开采阶段,随着矿山深部中段逐步投入生产,井巷关系更加复杂,通风线路长、通风阻力大等问题凸显。为解决由此带来的井下生产中段风量不足、风流反向及漏风等问题,对矿山通风系统进行优化改造。通过对4种方案进行技术经济比较,最终选定前期井下集中+后期多级机站接力方案,前期在井下采用主扇集中通风,满足前期通风要求,前期工程及风机设备投资省,无需征地,方便通风管理,后期继续利用前期主扇作为Ⅱ级机站接力。同时对改造方案进行了三维通风解算,有效风量率可达73.66%,风速合格率大于75%,高于合格标准。通风系统经改造实践后,达到了预期的效果,满足矿山安全生产作业环境的需要。
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院雷
李娜
关键词深部开采   通风系统   主扇   多级机站     
Abstract: The mining activity of Jiguanzui Gold Mine is entered into deep mining stage,with the gradual introduction of production of the deep sections of the mine,the roadway relationships is more complicated,the problems such as long ventilation line and large ventilation resistance are becoming more and more serious.In order to solve the problems such as air volume insufficient,reverse airflow and air leakage in the middle production section,the ventilation system of the mine is optimized.Though the comparative analysis of four ventilation schemes,the one based on early underground concentration and late multi—stage machine relay is selected as the optimal scheme.In early stage,the main fan is used for centralized ventilation to meet the requirements of early stage ventilation,the investment of early stage engineering and fan equipment is reduced,there is no need to expropriate land,it facilitates ventilation management,in the late stage,the main fan in the early stage can be used as II level machine station relay.Besides that,three—dimensional ventilation calculation of the improvement scheme is done,the effective wind rate can reach 73.66%,and the wind speed qualification rate is greater than 75%,which is higher than the standard value.After the optimization of the ventilation system,the intended effects are obtained,the needs of safe production and operation environment in mines is met.
KeywordsDeep mining   Ventilation system   Main fan   Multistage fan     
引用本文:   
院雷, 李娜.鸡冠嘴金矿复杂通风系统优化改造[J]  现代矿业, 2019,V35(04): 163-166
YUAN Lei, LI Na.Optimization and Design of the Complicated Ventilation System of Jiguanzui Gold Mine[J]  Modern Mining, 2019,V35(04): 163-166
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