摘要
针对文家坡矿井现阶段42盘区接续出现的风量不足与高负压问题,以及42盘区开采布置过渡阶段风机负担开拓范围不足等问题,对通风系统进行多阶段风网改造与优化。提出阶段性风网改造理论,分析现阶段通风条件下风机运行状况,结合法律法规,提出新建李家沟回风井措施;并以此为基础,通过网络解算分析选取42盘区开拓2条回风大巷的最优方案;提出了贯通新风井、安装运行新风机保证过渡期间42盘区的开拓优化措施。结果表明:采取新建李家沟风井以及42盘区开拓2条回风巷的措施有效解决了通风系统高负压、风量不足问题,满足42盘区接续时通风要求,保障了矿井下一阶段接续生产的稳步进行。
In view of the problems of insufficient air volume and high negative pressure in the continuation of panel 42 in Wenjiapo Mine,and the insufficient service scope of fan in the transition stage of panel 42,the ventilation system is reformed and optimized in multiple stages.Based on the theory of staged air network transformation and the operation status of the fan under the current ventilation conditions,combined with the relevant laws and regulations,the measures to dig the Lijiagou return air shaft are put forward.On this basis,the optimal scheme of developing two return air roadways in panel 42 is selected through network calculation and analysis,and the optimization measures of connecting new air shaft and installing new fan are put forward to ensure the development of panel 42 during the transition period.The results show that these measures effectively solve the problems of high negative pressure and insufficient air volume in the ventilation system,meet the ventilation requirements of panel 42 connection,and ensure the stable production in the next stage of the mine.
作者
杨剑
陈星
YANG Jian;CHEN Xing(Shaanxi Binchang Wenjiapo Mining Co.,Ltd.,Binzhou 713500,China)
出处
《陕西煤炭》
2021年第S01期149-153,共5页
Shaanxi Coal
关键词
通风系统
阶段性风网改造
优化模拟
网络解算
ventilation system
staged wind network transformation
optimization simulation
network solution
