手持式煤体温度探测仪的研发及其应用

发布时间：2019-03-27 14:48

【摘要】：我国煤炭自燃灾害比较严重，长期以来严重威胁着煤矿的安全生产并影响矿井的经济效益。巷道松散煤体蓄散热环境、漏风动力和强度以及松散煤体内氧气分布的共同作用下，在巷道变形与起伏带、巷道交叉应力集中区等地点煤柱内常常出现高温，从而引发煤自燃火灾。通过对早期煤壁内高温点的测量，实现巷道松散煤体自燃火灾的早期预警，，对煤自燃早期阶段温度参数实施有效地监控，从而防治巷道煤体自燃火灾的发生。论文首先系统综述了巷道煤体自燃火灾机理和预测预报技术研究现状。在此基础上，基于相关技术的研究，结合新一代单片机以及集成度高的芯片的电子技术，在电子元器件选型、温度传感器类型的选择、数字芯片等硬件电路的设计方面加以改进和完善，同时拟采用Protel99SE软件进行硬件电路设计和PCB板的布线，用Keil uVision2软件进行源程序编程，以及STC-ISP软件将源程序下载到设计完成的硬件电路，并在实验室对温度探测仪进行微调校正，开发出适应于探测煤体温度的仪器。最后开发和研制新的煤体温度探测仪，以某煤矿为试点进行现场应用，实现对巷道煤体温度信息的采集，进而得到煤体温度的准确实时数据和变化发展趋势，对煤层煤自燃火灾的预测预报工作起到了较好的先导作用，准确的提供了可靠的防灭火温度参数。
[Abstract]:The coal spontaneous combustion in China is serious, and it has long been a serious threat to the safe production of the coal mine and the economic benefit of the mine. Under the common action of the mass storage environment, air leakage power and strength of the loose coal body in the tunnel and the distribution of the oxygen in the loose coal, the high temperature is often present in the coal pillars such as the tunnel deformation and the fluctuation zone, the cross stress concentration area of the tunnel, and so on, thus leading to the spontaneous combustion fire of the coal. Through the measurement of the high temperature point in the early coal wall, the early warning of the spontaneous combustion fire of the loose coal body in the tunnel is realized, and the temperature parameter of the early stage of the spontaneous combustion of the coal is effectively monitored so as to prevent and control the occurrence of the spontaneous combustion fire of the coal body in the tunnel. In this paper, the mechanism of spontaneous combustion fire of the coal body in the tunnel and the research of the prediction and prediction technology are reviewed in the paper. On this basis, based on the research of the related technology, combining with the new generation of single-chip computer and the electronic technology of the chip with high integration level, it is improved and finished in the aspects of electronic component selection, selection of temperature sensor type, digital chip and other hardware circuits It is good to use the Protel99SE software for the hardware circuit design and the wiring of the PCB board, program the source program with the Keil uvision2 software, and the STC-ISP software to download the source program to the designed hardware circuit and fine-tune the temperature detector in the lab An instrument adapted to detect the temperature of a coal body is developed and finally, the new coal body temperature detector is developed and developed, and on-site application is carried out in a coal mine as a pilot, so that the collection of the temperature information of the coal body in the tunnel is realized, and the accurate real-time data and the change development trend of the temperature of the coal body are obtained The prediction and prediction of the spontaneous combustion of coal in the coal seam plays a better leading role in the prediction and prediction of the spontaneous combustion of coal in the coal seam, and the reliable anti-fire-extinguishing temperature parameter is provided.
【学位授予单位】：西安科技大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TD752.1

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