Theoretical analysis of micro gas turbine inlet gas cooling system based on jet refrigeration driven by waste heat

LI Yanxue; RUAN Yingjun; LIU Qingrong; WANG Shuxia; ZHU Tong

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Theoretical analysis of micro gas turbine inlet gas cooling system based on jet refrigeration driven by waste heat

更新时间：2025-09-28

- Theoretical analysis of micro gas turbine inlet gas cooling system based on jet refrigeration driven by waste heat
- Thermal Power Generation Vol. 44, Issue 9, Pages: 9-13(2015)
- 作者机构：
  
  1. 同济大学机械与能源工程学院
  2. 上海电力学院能源与机械工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK473
- Published：2015
- 稿件说明：
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LI Yanxue, RUAN Yingjun, LIU Qingrong, et al. Theoretical analysis of micro gas turbine inlet gas cooling system based on jet refrigeration driven by waste heat[J]. Thermal power generation, 2015, 44(9): 9-13.
DOI：

LI Yanxue, RUAN Yingjun, LIU Qingrong, et al. Theoretical analysis of micro gas turbine inlet gas cooling system based on jet refrigeration driven by waste heat[J]. Thermal power generation, 2015, 44(9): 9-13. DOI：

摘要

针对燃气轮机(燃机)出力随环境温度升高而下降的问题

可以通过冷却燃机进气的方法解决。对此

以C30型微型燃机(微燃机)为例

结合上海地区特点

提出了一种利用烟气余热驱动喷射制冷进行燃机进气冷却系统。通过计算分析结果表明

在环境温度、湿度较高的季节该系统能够较好地降低燃机进气温度

改善微燃机性能

夏季典型日可增加出力约15.3%

发电效率相对提高7.0%~9.4%。为微燃机进气冷却设计与运行提供参考依据。

Abstract

The output and generating efficiency of gas turbine reduces with the increase of ambient temperature

which can be solved through cooling the inlet gas.On this basis

this paper proposed a novel inlet gas cooling method

which uses an ejector refrigeration system driven by the exhaust gas heat from the microgas turbine.Calculation results show that

this system is available to reduce the inlet gas temperature and improve the performance of gas turbine in a high temperature and high humidity ambient.In Shanghai region

the output power of the gas turbine can be increased by about 15.3% during a typical summer day.Correspondingly

the relative increase in power generation efficiency is up to 7.0%to 9.4%.This research can provide the references for design and operation of the micro gas turbine inlet air cooling system.

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Related Author

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HE Chuan

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Related Institution

School of Electrical and Power Engineering, Taiyuan University of Technology

Huaneng Mianchi Power Generation Co.,Ltd.,Mianchi

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South China University of Technology

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