王家塔煤矿智能化综采工作面建设研究

Research on construction of intelligent fully mechanized mining face in Wangjiata Coal Mine

以王家塔煤矿2S103智能化综采工作面为例,分析了智能化综采工作面的具体实现方案和应用效果,并总结了存在的技术难题。根据2S103工作面实际情况,研究了刮板输送机、转载机智能变频调速方案,通过增加转载机与刮板输送机速度比较判断模块,解决了转载机因调速滞后而过载停机的问题,同时也保证了转载机的联动调速运行;以工程质量和人工投入为衡量指标,确定了记忆截割、自动跟机移架、人工调整相结合的最佳采煤方案;针对采煤机、液压支架、集成供液系统进行改造,提高了相关设备的安全性、实用性和检修效率,消除了大量安全隐患。从吨煤电耗、割煤效率、反渗透用水量、人员投入及中小修费用等方面进行对比分析,得出智能化综采工作面在节能、减员、降材方面取得了一定成效。总结了智能化综采工作面实际应用中存在的技术难题,如遇特殊构造时的采煤工艺还需改进、视频监控系统的分析功能还需完善等,指出要实现智慧矿山,需积极推进安全监控系统、智慧大脑等的研究,并提出部分建设思路和方向。

Taking the 2S103 intelligent fully mechanized mining face of Wangjiata Coal Mine as an example,the specific implementation plan and application effect of intelligent fully mechanized mining face are analyzed,and the existing technical problems are summarized.According to actual situation of 2S103 working face,the intelligent frequency conversion speed regulation scheme of scraper conveyor and transfer machine is studied.By adding speed comparison and judgment module of the transfer machine and the scraper conveyor,the problem of overload and shutdown of the transfer machine due to the lag in speed control is solved,at the same time,it also guarantees the linked speed regulation operation of the transfer machine;Taking engineering quality and manual input as measuring index,the optimal coal mining plan is determined which combines memory cutting,automatic machine following and support moving,and manual adjustment;The shearer,hydraulic support and integrated liquid supply system are modified to improve safety,practicability and maintenance efficiency of related equipment,and eliminate a large number of potential safety hazards.By comparing and analyzing from aspecets of electricity consumption per ton of coal,coal cutting efficiency,reverse osmosis water consumption,personnel input,and small and medium repair costs,it is concluded that the intelligent fully mechanized mining face has achieved certain effects in energy saving,staff reduction,and material reduction.Technical problems existing in the practical application of intelligent fully mechanized mining face are summarized,in case of special structure,coal mining technology needs to be improved,the analytic function of video monitoring system needs to be perfected,etc.It is pointed out that to realize the smart mine,the research on safety monitoring system and smart brain should be actively promoted,and put forward some construction ideas and directions.