Study on superheated steam temperature control in 660 MW supercritical power unit

CHEN Hou-tao; LIU Wu-lin; LIU Fu-ping; LIU Wen-feng

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Study on superheated steam temperature control in 660 MW supercritical power unit

更新时间：2025-11-18

- Study on superheated steam temperature control in 660 MW supercritical power unit
- Vol. 33, Issue 4, Pages: 1-5(2013)
- 作者机构：
  
  国网湖南省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK32
- Published：2013
- 稿件说明：
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[1]陈厚涛,刘武林,刘复平,刘文丰.660MW超临界机组过热汽温控制研究[J].湖南电力,2013,33(04):1-5.

CHEN Hou-tao, LIU Wu-lin, LIU Fu-ping, et al. Study on superheated steam temperature control in 660 MW supercritical power unit[J]. 2013, 33(4): 1-5.
[1]陈厚涛,刘武林,刘复平,刘文丰.660MW超临界机组过热汽温控制研究[J].湖南电力,2013,33(04):1-5. DOI：

CHEN Hou-tao, LIU Wu-lin, LIU Fu-ping, et al. Study on superheated steam temperature control in 660 MW supercritical power unit[J]. 2013, 33(4): 1-5. DOI：

摘要

根据超临界直流炉过热汽温控制的特点

设计基于被控对象特性的汽温控制系统。该系统采用控制中间点焓值调整燃水比和两回路喷水减温调节相结合实现过热汽温的控制。运行结果表明

在稳态和变负荷工况下

该汽温控制系统调节品质优良。

Abstract

According to the characteristics of superheated steam temperature in supercritical once-through boiler

a steam temperature control system is designed based on controlled object properties.In this system

succesful control of superheated steam temperature is achieved by combining the fuel water ratio control based on intermediate point enthalpy value and two loops spray desuperheating regulation.Engineering application indicates that the excellent regulation quality of steam temperature is obtained whether in steady state or in variable load condition.

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