华电技术 ›› 2018, Vol. 40 ›› Issue (7): 59-61.

• 技术交流 • 上一篇    下一篇

LM2500+G4型燃气-蒸汽联合循环机组余热加热天然气的技术经济分析

  

  1. 1.中国华电科工集团有限公司,北京〓100160; 2.国家能源分布式能源技术研发中心,北京〓100160
  • 出版日期:2018-07-25 发布日期:2018-08-24

Technical and economic analysis of natural gas heating by waste heat of LM2500+G4 gassteam combined cycle generator

  1. 1.China Huadian Engineering Company Limited,Beijing 100160,China; 2.National Energy Distributed Technology Center, Beijing 100160,China
  • Online:2018-07-25 Published:2018-08-24

摘要:

LM2500+G4型燃气-蒸汽联合循环发电机组利用余热锅炉尾部余热加热天然气进气系统,天然气进气温度按照常规20℃计,分别将燃气温度加热到30~80℃。通过对比分析,将天然气加热至80℃时技术经济性能最优,不仅显著提高了以LM2500+G4燃机为核心的分布式能源系统的综合能源利用率,还提高了机组运行的经济性、可靠性及安全性,有效防止了低温腐蚀。

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Abstract:

The LM2500 + G4 gassteam combined cycle generator makes use of the waste heat from the HRSG to heat the natural gas intake system. The intake gas temperature is 20℃ normally and will be heated to 30~80℃.Through comparative analysis, the technical and economic performance is optimal when heating natural gas to 80℃, which not only significantly improves the comprehensive energy utilization efficiency of distributed energy system with LM2500 + G4, but also improve the economy, reliability and safety of the generator. Low temperature corrosion can be effectively prevented.

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