Waste Heat Recovery Applications in District Heating/Cooling Systems

Shuang WU; Xu JIN; Zhongyan LIU; Deyong CHE; Jun SUI; Rui LI; Yue ZHAO; Zhaoguo WANG

doi:10.12096/j.2096-4528.pgt.20010

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Waste Heat Recovery Applications in District Heating/Cooling Systems

Distributed Energy | 更新时间：2025-07-04

- Waste Heat Recovery Applications in District Heating/Cooling Systems
- Power Generation Technology Vol. 41, Issue 6, Pages: 578-589(2020)
- 作者机构：
  
  1.东北电力大学能源与动力工程学院, 吉林省吉林市 132012
  2.中国科学院工程热物理研究所, 北京市海淀区 100190
  3.山东里彦发电有限公司, 山东省济宁市 273517
- 作者简介：
- 基金信息：
  
  National Key Research and Development Program of China(2018YFB0905104)
- DOI：10.12096/j.2096-4528.pgt.20010
  CLC： TK115
- Received：30 March 2020，
  
  Published：31 December 2020
- 稿件说明：
移动端阅览
Shuang WU, Xu JIN, Zhongyan LIU, et al. Waste Heat Recovery Applications in District Heating/Cooling Systems[J]. Power Generation Technology, 2020, 41(6): 578-589.
DOI：

Shuang WU, Xu JIN, Zhongyan LIU, et al. Waste Heat Recovery Applications in District Heating/Cooling Systems[J]. Power Generation Technology, 2020, 41(6): 578-589. DOI： 10.12096/j.2096-4528.pgt.20010.

摘要

区域供能系统以一次高品位能源为动力，存在能耗大、环境污染严重等问题。然而，基于“品位对口，梯级利用”原则，采用各种高、中、低温余热回收技术，可显著提升系统能源综合利用效率，降低整体能源消耗，减少环境污染，故备受关注。通过梳理钢铁、冶金以及水泥等能源行业余热回收技术，并重点对低温品位能源余热回收及其应用于区域供热/供冷系统相关技术进展进行了综述，探究了供热/供冷系统中各种余热回收技术的特点。最后，结合工程实例，对供热/供冷领域应用的余热回收技术的可行性和经济性进行了分析，结果显示：余热回收技术可提高区域供热系统能源综合利用效率8%以上，在区域供冷系统中余热回收与蓄冷技术相结合，可节省运行费用20%。

Abstract

The regional energy supply system is powered by high-grade energy

which has problems such as high energy consumption and serious environmental pollution. However

based on the principle of "energy grade matching

and cascade utilization"

through utilizing various high

medium and low temperature waste heat recovery technologies

the integrated energy efficiency of the system can be significantly improved

as well as the overall energy consumption and environmental pollution can be reduced

so it is of great concern. Through sorting out the technologies of waste heat recovery in the energy industry of steel

metallurgy and cement

and summarizing the technological progress of low-temperature grade energy waste heat recovery and its application to district heating/cooling systems

the characteristics of various waste heat recovery technologies in the heating/cooling systems were inquired. Finally

the feasibility and economy for application of waste heat recovery technologies in the field of the heating/cooling systems were analyzed with project cases. The results show that by utilizing the waste heat recovery technologies

the integrated energy efficiency of the district heating system can be improved by more than 8%. And the operation cost can be saved by 20% in the district cooling system through combining cold storage technology with waste heat recovery.

关键词

Keywords

references

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