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May 29, 2026机械与电子控制工程0 citationsOpen Access

超临界汽轮机热力系统效率优化研究

斌刘斌 刘宁宁尚雪

Key Points

  • The study aims to optimize the thermal efficiency of supercritical steam turbine systems.
  • Analyzed the basic structure and thermodynamic characteristics of supercritical steam turbine systems.
  • Investigated optimization technologies such as regenerative heat systems, main steam parameter enhancement, and intelligent control.
  • Conducted a case study on a typical 660MW supercritical unit to validate multidimensional optimization strategies.
  • Achieved an increase in thermal efficiency of 1.5–2.5 percentage points.
  • Estimated annual coal savings of several tens of thousands of tons.
  • Highlighted significant economic and environmental benefits due to advanced materials and intelligent management.

Abstract

本文系统梳理了超临界汽轮机热力系统的基本构成与热力学特性,深入分析了影响其效率的关键因素, 重点探讨了回热系统优化、主蒸汽参数提升、汽轮机通流部分改进、热力系统集成与智能控制等核心优化技术。通过 典型660mw超临界机组的案例分析,验证了多维度协同优化策略在提升热效率方面的显著效果。研究表明,通过参 数协同设计、先进材料应用与智能化运行管理,可将超临界机组热效率提升1.5–2.5个百分点,年节煤量可达数万吨, 具有显著的经济与环境效益。最后,本文对超临界汽轮机热力系统未来在700℃先进超超临界技术、数字化孪生、灵 活性运行等方面的发展趋势进行了展望。

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Cite This Study

刘 et al. (2026) studied this question.

synapsesocial.com/papers/6a192d7efab5b468c4416560https://doi.org/10.37155/2717-5197-0805-56
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