4.6 GHz高功率微波岩石钻探技术
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TM924.76;TE19

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中国科学院重大资助项目


4.6 GHz High Power Microwave Rock Drilling Technology
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The Major Program of the Chinese Academy of Sciences

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    摘要:

    目前石油、天然气等资源的开采采用机械钻探工艺,这种钻探方法技术成熟,但在穿透地下坚硬和高温岩层时其钻进速度会受到较大制约。利用高频电磁场加热熔化岩石介质实现地下破岩是全新的钻探技术,其具有快速钻探的潜在优势。本文进行了4.6 GHz高功率微波加热穿透岩石技术研究,分析了微波加热岩石的基本原理和影响介质温升速率的因素,采用多物理场耦合法模拟10 kW功率下的电场分布和介质的温度变化规律,最后在4.6 GHz/250 kW实验平台上开展了相关钻岩实验,实验现象与仿真结果相吻合。

    Abstract:

    At present, oil, gas and other resources are mined using mechanical drilling technology. This drilling method is mature, but its drilling speed will be greatly restricted when penetrating underground hard and high-temperature rock formations. Using high frequency electromagnetic field to heat and melt the rock medium for underground rock-breaking is a brand-new drilling technology, which has the potential advantages of rapid drilling. In this paper, the 4.6 GHz high-power microwave heating technology for penetrating rocks was studied. The basic principles of microwave heating and the factors that affect the temperature change of the medium were analyzed. The electric field distribution and the medium temperature change under 10 kW were simulated by the multiphysics field coupling method. Finally, related rock drilling experiments were carried out on the 4.6 GHz/250 kW experimental platform, and the experimental phenomena were consistent with the simulation results.

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王修昌,赵连敏,吴大俊,等. 4.6 GHz高功率微波岩石钻探技术[J]. 科学技术与工程, 2021, 21(22): 9404-9410.
Wang Xiuchang, Zhao Lianmin, Wu Dajun, et al.4.6 GHz High Power Microwave Rock Drilling Technology[J]. Science Technology and Engineering,2021,21(22):9404-9410.

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  • 收稿日期:2020-12-07
  • 最后修改日期:2021-06-09
  • 录用日期:2021-03-19
  • 在线发布日期: 2021-08-29
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