Waste heat recovery from circulating cooling water in power plants

GU Yujiong; GENG Zhi; XIE Dian; XU Jing; XIONG Jing

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Waste heat recovery from circulating cooling water in power plants

更新时间：2025-09-28

- Waste heat recovery from circulating cooling water in power plants
- Thermal Power Generation Issue 3, (2016)
- 作者机构：
  
  华北电力大学国家火力发电工程技术研究中心,北京,102206
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK115;TK123
- Published Online：15 April 2016，
  
  Published：2016
- 稿件说明：
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GU Yujiong, GENG Zhi, XIE Dian, et al. Waste heat recovery from circulating cooling water in power plants[J]. Thermal power generation, 2016, (3).
DOI：

GU Yujiong, GENG Zhi, XIE Dian, et al. Waste heat recovery from circulating cooling water in power plants[J]. Thermal power generation, 2016, (3). DOI：

摘要

针对电厂循环冷却水直接排放造成生态环境热污染的问题，通过Fluent软件对电厂的温排水排入受纳水域过程进行了二维数值模拟

从环保角度分析了余热回收利用的重要性，提出了吸收式热泵与有机朗肯循环发电综合利用的设计方案。同时，采取有机工质环己烷作为余热发电系统的循环工质

根据热力学第一、二定律

建立了余热回收的数学模型，利用窄点分析法

通过MATLAB和REFPROP软件编程模拟

分析了该方案系统内各部件的损失

对系统参数进行了优化

确立了最佳的系统循环热效率、火用效率及热回收率

论证了方案的可行性。分析结果表明:本文系统方案既可有效回收电厂循环冷却水的部分低品位余热

获取部分余热发电效益

又有益于环境保护。

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