摘要
通过收集整理矿井内地温资料及井下采样分析测试岩石热物理参数,利用基于有限元的Comsol Multiphysics数值模拟,分析主采区的地温分布特征及致热因素,并将实测温孔与数值模拟对比验证,研究许疃煤矿地温分布规律及其影响因素。同时计算获取研究区内大地热流值,绘制矿井热害影响程度分区图,预测受热害影响的范围,为煤矿下一步的热害防治提供有针对性的对策。
A finite element numerical simulation is carried out using COMSOL Multiphysics with the collected geothermal data and thermal physical parameters of tested underground rock samples in Xutuan Coal Mine, to analyze the geothermal temperature distribution and heating factors. The simulation results are compared with the measurement of thermometer holes to study the geo-temperature distribution and its influencing factors in the main mining area. At the same time,the geothermal flow in the study area is calculated,and a zoning map of the mine’s heat impact degree is drawn,to predict the affected range of heat hazard,so targeted measures can be taken for coal mine heat hazard prevention.
作者
朱敬忠
刘启蒙
琚棋定
范佳俊
ZHU Jing-zhong;LIU Qi-meng;JU Qi-ding;FAN Jia-jun(School of Earth and Environment,Anhui University of Science and Technology,Huainan 232001,China)
出处
《煤炭工程》
北大核心
2021年第4期131-135,共5页
Coal Engineering
基金
国家自然科学基金(41472235)
安徽省自然科学基金项目(1908085ME145)。
关键词
地温分布规律
地热流值
矿井热害
geo-temperature distribution law
geothermal flow value
mine heat hazard
