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矿井智能通风理论与技术研究进展

Research progress of mine intelligent ventilation theory and technology

  • 摘要: 矿井智能通风是我国矿山智能化建设的安全保障。为实现矿井通风智能化,基于“平战结合”原则提出了井下通风人−机−环综合信息流智能感知与交互控制的理念。并从矿井智能通风理论及架构、矿井智能通风精准监测预警、矿井通风网络实时解算、矿井通风故障诊断与智能决策等4个方面论述了矿井智能通风系统平台架构,通风参数精准监测新型传感器研制与布置策略优化,通风参数信息流处理方法,风网解算方法,矿井气候与通风网络耦合解算,风网解算响应与控风决策,矿井通风故障源和故障原因诊断,智能通风灾变决策关键模型等基础理论与核心技术研究进展;同时提出了全断面风量直测新方法,消除井巷断面风速分布不均导致的点风速测风误差;发展了热湿耦合的风阻自适应调节风网实时解算模型,提高了风网实时解算精度与智能通风日常运行的稳定性;建立了基于全尺寸灾变试验数据的场−区−网耦合数值解算方法,构建了煤与瓦斯突出、火灾与瓦斯爆炸的灾变演化模型,突破了矿井智能通风系统的灾变自主决策与控制的方法瓶颈;结合矿井智能通风实施案例,详细阐述了矿井智能通风在精准测风、通风设施与装备联动控制、智能防火防尘等方面的现场实施与运行过程,指出了矿井智能通风建设存在的问题与发展趋势。

     

    Abstract: The safety assurance of intelligent mine building in China is intelligent mine ventilation. The idea of intelligent sensing and interactive control of underground ventilation human-machine-loop integrated information flow is pointed out based on the “combination of level and battle” in order to genuinely accomplish intelligent mine ventilation. Additionally, it covers the theory and design of mine intelligent ventilation, as well as accurate monitoring and early warning systems, real-time network problem-solving, fault diagnostics, and intelligent decision-making. Furthermore, it supports the platform structure of the mine intelligent ventilation system, the creation of new sensors for accurate ventilation parameter monitoring and arrangement strategy optimization, the processing of ventilation parameter information flow, the method for solving the wind network, the integration of the mine climate and ventilation network, the solution to the wind network’s response, and the concept of mine intelligent ventilation. To avoid the inaccuracy of point wind velocity measurement brought on by an uneven distribution of wind velocity in shaft section, a novel technique of direct measurement of wind volume in complete section is presented; To increase the precision of real-time wind network solution and the stability of routine operation of intelligent ventilation, a real-time wind resistance adaptive adjustment wind network solving model with heat and humidity coupling has been created. Building a catastrophe evolution model for coal and gas protrusion, fire, and other disasters requires the use of a field-area-network coupling numerical solution approach based on full-size disaster test data. Additionally, based on full-scale disaster test data, it developed a coupled field-area-network numerical solution method, constructed a disaster evolution model for coal and gas protrusion, fire, and gas explosion, and overcame the obstacle to disaster autonomous decision making and control of mine intelligent ventilation system; In conjunction with implementation cases for mine intelligent ventilation, it elaborated the field implementation and operation process of mine intelligent ventilation in regards to precise wind measurement, linkage control of ventilation facilities and equipment, intelligent fire and dust prevention, and pointed out the issues and future direction of mine intelligent ventilation construction.

     

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