一种全封闭跨临界二氧化碳热泵系统
By designing a fully enclosed transcritical carbon dioxide heat pump system, and utilizing the induced draft branch and leakage reinjection system, the high pressure differential leakage problem of large-capacity CO2 heat pump systems was solved, achieving fully enclosed operation and high efficiency and stability, and improving the system's energy efficiency ratio.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JIANGSU ZHONGKE ENERGY POWER RES CENT
- Filing Date
- 2023-09-28
- Publication Date
- 2026-07-17
AI Technical Summary
High pressure differential leakage exists in large-capacity transcritical CO2 heat pump systems, which makes it impossible to achieve fully enclosed low-loss operation and affects the stability and efficiency of the system.
The system employs a fully enclosed transcritical carbon dioxide heat pump system. By using a bleed gas branch and a leakage reinjection system, the leaked gas from the compressor is reinjected into the system. Combined with radial rotary machinery and multi-stage throttling valves, the system ensures fully enclosed operation and provides external heat through the condenser to improve system efficiency.
It achieves fully enclosed operation of large-capacity CO2 heat pump systems, reduces leakage losses, ensures long-term stability, and improves the coefficient of performance (COP).
Smart Images
Figure CN117433175B_ABST