探矿工程-岩土钻掘工程Issue(6)：53-58,6.
制冷液温度对地下冷冻墙制冷效果影响的有限元分析
Finite Element Analysis on the Influence of Cooling Liquid Temperature on the Refrigeration Effect of Under-ground Frozen Wall
摘要
Abstract
For oil shale in-situ mining, mine shaft construction and foundation pit support, underground frozen wall should be built to prevent underground water flowing into the mining area and the leakage of oil and gas.Cooling liquid tempera-ture of underground frozen wall not only affects freezing closure time, but also affects the refrigeration efficiency of the un-derground frozen wall and further affects the entire costs of the construction and operation.By the finite element simulation and the theoretical analysis on the underground temperature field in the refrigeration process, the influence law of cooling fluid temperature on the underground temperature field was found and the cooling liquid temperature was optimized.It was concluded that under refrigeration modes of refrigeration unit or air cooling, the appropriate temperature of cooling fluid should be -10 to -15℃, which could be the theoretical guidance to improve the refrigeration efficiency of underground frozen wall.关键词
地下冷冻墙/有限元模拟/制冷液温度/制冷效率Key words
underground frozen wall/finite element simulation/cooling liquid temperature/refrigeration efficiency分类
矿业与冶金引用本文复制引用
翟国兵,赵大军,张金宝,刘玉民,孙梓航,刘华南..制冷液温度对地下冷冻墙制冷效果影响的有限元分析[J].探矿工程-岩土钻掘工程,2015,(6):53-58,6.基金项目
教育部、财政部、吉林省人民政府联合资助的跃升计划项目“国家潜在油气资源（油页岩勘探开发利用）产学研用合作创新项目”之“油页岩地下冷冻墙技术研究” （）
