Optimization and analysis of cold-end system in thermal power units

MA Shanjun; LI Shaohua; ZHANG Li; ZENG Zhendong; CHENG Haoran

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Optimization and analysis of cold-end system in thermal power units

更新时间：2025-09-28

- Optimization and analysis of cold-end system in thermal power units
- Thermal Power Generation Vol. 46, Issue 3, Pages: 82-86(2017)
- 作者机构：
  
  1. 华北电力大学能源动力与机械工程学院
  2. 上海电力学院能源与机械工程学院
  3. 深圳协同动力技术有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2017
- 稿件说明：
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MA Shanjun, LI Shaohua, ZHANG Li, et al. Optimization and analysis of cold-end system in thermal power units[J]. Thermal power generation, 2017, 46(3): 82-86.
DOI：

MA Shanjun, LI Shaohua, ZHANG Li, et al. Optimization and analysis of cold-end system in thermal power units[J]. Thermal power generation, 2017, 46(3): 82-86. DOI：

摘要

以某330MW火电机组凝汽器改造为核心

对其冷端系统进行了整体、系统改造

提出了冷端系统整体改造的技术路线

数值模拟了凝汽器、冷却塔内工质的流动特性

对优化改造后机组的热力性能进行了试验研究。结果表明

改造后的机组热耗率低于改造前设计值约30kJ/(kW·h)。说明本文技术路线合理

改造方案效益显著。

Abstract

As a State demonstration project in technology progress with a 300 MW unit

the cold-end system with the core part of rebuilt of the condenser was retrofitted comprehensively.The technical route for transformation of the entire cold-end system was put forward

and the flow characteristics of the working fluid inside the condenser and cooling tower were numerically studied.Moreover

the heat consumption rate of the optimized unit was experimentally investigated.The results show that

after the optimization

the heat consumption rate of the unit decreased by about 30kJ/(kW·h)

indicating the above technical route is reasonable and the transformation benefits are obvious.

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