CO<sub>2</sub>热泵耦合燃气锅炉供暖系统研究

吴彦丽; 陈赞林; 赵子萱; 康珈; 白静利; 吴少华; 郝艳红

doi:10.19666/j.rlfd.202008242

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CO₂热泵耦合燃气锅炉供暖系统研究

发电技术论坛 | 更新时间：2025-09-28

- CO₂热泵耦合燃气锅炉供暖系统研究
- Research on CO₂ heat pump coupling gas boiler heating system
- 热力发电 2021年50卷第5期页码：133-138
- 作者机构：
  
  1. 山西大学环境与资源学院
  2. 山西大学资源与环境工程研究所
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202008242
  中图分类号： TU995;TK229.8
- 纸质出版日期：2021
- 稿件说明：
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吴彦丽, 陈赞林, 赵子萱, 等. CO₂热泵耦合燃气锅炉供暖系统研究[J]. 热力发电, 2021,50(5):133-138.

WU Yanli, CHEN Zanlin, ZHAO Zixuan, et al. Research on CO₂ heat pump coupling gas boiler heating system[J]. Thermal power generation, 2021, 50(5): 133-138.
吴彦丽, 陈赞林, 赵子萱, 等. CO₂热泵耦合燃气锅炉供暖系统研究[J]. 热力发电, 2021,50(5):133-138. DOI： 10.19666/j.rlfd.202008242.

WU Yanli, CHEN Zanlin, ZHAO Zixuan, et al. Research on CO₂ heat pump coupling gas boiler heating system[J]. Thermal power generation, 2021, 50(5): 133-138. DOI： 10.19666/j.rlfd.202008242.

摘要

烟气余热回收技术是提高燃气锅炉供暖效率的关键技术之一。针对供暖回水温度高于烟气露点温度

传统烟气余热回收技术烟气余热回收能力受限的问题

提出烟气源/水源CO_2热泵回收燃气锅炉烟气余热方案

分析了各方案的系统效率和天然气消耗量

以及CO_2热泵制热系数对系统效率和燃料节约率的影响规律。研究结果表明:烟气源CO_2热泵余热回收供暖系统方案可提升系统效率12.54百分点以上

比水源CO_2热泵余热回收方案高约0.50百分点

年可节约天然气用量13.87%～17.88%;CO_2热泵制热系数较小时有利于提高燃气节约量。

Abstract

Flue gas waste heat recovery technology is one of the important technologies to improve the heating efficiency of gas-fired boiler. The conventional flue gas waste heat recovery technology has limited recovery capacity when the return water temperature is higher than the flue gas dew point temperature. To solve this problem

this paper proposes the flue gas waste heat recovery scheme using gas/water source CO_2 heat pump coupling gas boiler heating systems

analyzes the system efficiency and natural gas consumption for each system

and discusses the influencing rule of coefficient of performance(COP) of the heat pump on system efficiency and fule saving ratio. The system efficiency of gas source CO_2 heat pump coupling gas boiler heating system is 12.54% higher than that of the conventional system and 0.50 percentage point higher than that of the water source system

which could reduce gas consumption by 13.87%～17.88% per year. In addition

smaller COP is beneficial to reduce gas consumption for gas source CO_2 heat pump coupling gas boiler heating system.

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CO2热泵耦合燃气锅炉供暖系统研究

Research on CO2 heat pump coupling gas boiler heating system

DOI：10.19666/j.rlfd.202008242

摘要

Abstract

关键词

Keywords

references

CO₂热泵耦合燃气锅炉供暖系统研究

Research on CO₂ heat pump coupling gas boiler heating system