毕业设计论文立井揭突出煤层封孔测压技术研究.docx

目 录目 录……………………………………………………………………………………………1摘　　要2Abstract31 绪论41.1课题研究的目的和意义41.2项目主要研究内容42 煤与瓦斯突出危险性分析62.1 煤与瓦斯突出的机理62.2 揭煤防突设计工艺流程72.3测压钻孔布置及封孔工艺的设计72.4 煤与瓦斯突出指标93 煤层瓦斯压力的测定技术113.1 封孔技术113.2 瓦斯压力的测定113.2.1瓦斯压力测定过程中水压处理技术123.2.2快速测压法144 井筒揭煤防突措施174．1 “四位一体”综合防突措施174.1.1“四位一体”的区域综合防突措194.1.2“四位一体”的局部综合防突措施204.2 区域突出危险性预测225 工作面安全防护措施及突出事故处理245.1 工作面安全防护245.2 突出事故处理255.2.1处理井筒内瓦斯255.2.2拆除、新建井筒内提升系统255.2.3排净井筒内积水、清理突出物、拆除原吊盘、寻找遇难人员256 结论26参考文献28谢辞29综述30摘　　要本文采用理论研究、现场实测、实验分析、计算机模拟等综合研究方法，充分研究了立井井筒揭突出煤层的防突技术，并提出了立井揭突出煤层防突技术思路。在理论研究方面结合煤与瓦斯突出的机理，研究了煤层的主要物理力学性能和煤层瓦斯流动理论，以固流耦合理论为基础，以朱集矿副井为研究对象，建立了煤与瓦斯突出的数学模型。在现场实测方面运用多步分段封孔技术封孔，利用气水分离装置、分源测压法、气水压力测算法测定煤层瓦斯压力，以及“四位一体”的区域综合防突措施和突出事故的处理等做出相关阐述。并以朱集矿为研究对象，建立煤与瓦斯突出的数学模型。关键词：立井；揭煤；防突技术；封孔；测压AbstractIn this paper, kinds of methods are used such as theoretical research, field measurement method, experimental analysis and computer simulation, the comprehensive research methods etc. The outburst prevention technique by cutting through outburst?coal seam is made a?sufficient study, and the whole thought of the outburst prevention technique is put forward.In the aspect of theory, combined with coal and gas outburst, the mechanism of the study of the main physical and mechanical performance coal seam gas flow theory are studied. Based on solid flow coupling theory, auxiliary shaft of Zhuji coal mine is taken the research object, and the mathematical model about coal and gas outburst is set up. In field measurement, the technology of multi-step hole sealing is used on hole sealing. the coal seam gas pressure is determined by gas water separation device, the measurement of pressure measuring by separating source, the measurement of gas source water pressure. Then integrated regional quaternity outburst prevention measures and the treatment of outburst accidents are discussed. The mathematical model of coal and gas outburst is established with Zhuji coal mine as the research object.KEY WORDS: Vertical shaft; Cutting through coal Seam; O