一种中深层抑制热衰减闭式地热ORC系统及其控制方法
By combining coaxial sleeve and U-tube buried pipe heat exchangers and solar collector subsystems in a medium-deep closed geothermal ORC system, the decoupling of building heating and ORC power generation and the maintenance of ground temperature are achieved. This solves the problems of heat source fluctuation and long-term operation attenuation in medium-deep geothermal systems, and improves the stability and energy efficiency of the system.
Patent Information
- Application Number
- CN202610359450.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-03-23
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies, under medium-deep closed geothermal conditions, cannot achieve a stable and continuous supply of building heating and ORC power generation, and suffer from problems such as large fluctuations in heat source temperature, insufficient energy quality, and long-term performance degradation.
A closed geothermal ORC system for suppressing thermal decay in medium-deep layers is designed. It adopts a combination structure of coaxial sleeve buried pipe heat exchanger and U-tube buried pipe heat exchanger, combined with a solar thermal collector subsystem. The heat medium flow path is dynamically adjusted by the controller to decouple building heating and ORC power generation, and the ground temperature is maintained by solar supplemental heating during the non-heating season.
It achieves stability and continuity in building heating and ORC power generation, improves the overall energy efficiency of the system, overcomes the problems of heat source temperature fluctuation and long-term performance degradation, and improves energy utilization.
Smart Images
Figure CN122408113A_ABST