面向矿区的卡诺电池与二氧化碳增强型地热系统及其方法
By introducing Carnot batteries and carbon dioxide-enhanced geothermal systems into the geothermal power generation system in the mining area, and combining multiple cycles and waste heat cascade utilization, the problems of low energy utilization efficiency and power supply-demand imbalance have been solved, achieving efficient waste heat utilization and carbon dioxide sequestration.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 中煤能源研究院有限责任公司
- Filing Date
- 2025-11-19
- Publication Date
- 2026-07-17
AI Technical Summary
In geothermal power generation systems in mining areas, supercritical carbon dioxide enhanced geothermal power generation leads to problems such as low energy utilization efficiency, reduced working fluid flow, and imbalance between power supply and demand.
The system employs a Carnot battery and a carbon dioxide-enhanced geothermal system, connecting the sCO2-EGS subsystem, Carnot battery subsystem, mine water waste heat utilization subsystem, and gas waste heat utilization subsystem via pipes and wires to achieve thermal energy storage and flexible regulation. Combined with heat pump circulation, organic Rankine circulation, and cooling water circulation, it utilizes waste heat resources in a cascade manner.
This improves the system's waste heat utilization rate and the round-trip efficiency of the Carnot battery, reduces energy consumption, maximizes energy utilization, and, combined with CCS technology, enables carbon dioxide sequestration, promoting the sustainable development of the carbon sequestration process.
Smart Images
Figure CN121497448B_ABST