一种稳定流量供给的超临界二氧化碳闭式循环系统
By installing cooling coils and pressure regulating airbags inside the liquefied storage tank, combined with a high-precision chiller and servo pressure control system, the problem of unstable flow in the supercritical carbon dioxide closed-loop system was solved, achieving a stable carbon dioxide supply and improving the reliability of the experiment.
CN116818342BActive Publication Date: 2026-07-17BEIHANG UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BEIHANG UNIV
- Filing Date
- 2023-06-30
- Publication Date
- 2026-07-17
Smart Images
Figure CN116818342B_ABST
Abstract
本发明公开了一种稳定流量供给的超临界二氧化碳闭式循环系统，由气源系统、伺服压力控制系统、加热实验段系统、制冷系统和主要循环回路组成；本发明通过在液化储液罐内设置换热盘管，在外包裹冷却夹套，使用两级冷水机对二氧化碳充分、深度预冷的方法解决泵对二氧化碳做功，导致其温度升高，泵室内二氧化碳可能出现局部汽化从而影响流量稳定性的问题；通过使用高精度冷水机降低冷却工质温度波动；在液化储液罐内安置调压气囊，并通过伺服压力控制系统调节调压气囊的压力，以维持液化储液罐内压力稳定的方法解决闭式系统容积式泵供应的质量流量出现波动的问题。
Need to check novelty before this filing date? Find Prior Art