CLOSED-LOOP CONTROL SYSTEM OF CFB BOILERS

CHEN Xiuping; HUANG Weigang

doi:10.19666/j.rlfd.2004.06.016

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CLOSED-LOOP CONTROL SYSTEM OF CFB BOILERS

Thermal Power Generation Issue 6, Pages: 57-59(2004)

更新时间：2025-09-28

- CLOSED-LOOP CONTROL SYSTEM OF CFB BOILERS
- 作者机构：
  
  1. 大柳塔热电厂
  2. 大柳塔热电厂陕西神木,719315
  3. 陕西神木,719315
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2004.06.016
  CLC： TK323
- Published：2004
- 稿件说明：
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CHEN Xiuping, HUANG Weigang. CLOSED-LOOP CONTROL SYSTEM OF CFB BOILERS[J]. Thermal Power Generation, 2004, (6): 57-59.
DOI：

CHEN Xiuping, HUANG Weigang. CLOSED-LOOP CONTROL SYSTEM OF CFB BOILERS[J]. Thermal Power Generation, 2004, (6): 57-59. DOI： 10.19666/j.rlfd.2004.06.016.

摘要

对大柳塔热电厂循环流化床锅炉模拟量控制系统控制回路的应用及存在问题进行了分析

重点介绍给水控制回路和主蒸汽温度控制回路的结构及其修改情况。经调试

在主蒸汽流量大于 5 0 %

减温水阀门开度大于 6 0 %的工况下

主蒸汽温度控制回路能够投入自动运行 ;在锅炉负荷比较稳定时

可保持主蒸汽温度在设定值± 5℃范围内

Abstract

The situation and problems existing in control circuits of analog variable control system for circulating fluidized bed (CFB) boilers in Daliuta Thermal Power Plant have been analysed

emphatically describing the structure of control circuits for the feedwater and the main steam temperature

as well as the situation of their improvement. Through debugging

the control circuit of main steam temperature can be put into automatic operation under operation condition of main steam flow quantity to be greater than 50%

and opening degree of the desuperheating water valve to be greater than 60%. During the time of comparatively stable boiler load

the main steam temperature can be maintained in the range ±5℃ of the set value.

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Related Author

GAO Si1

KANG Jingqiu2

YANG Zhenyong2

LI Weihua21.College of Control and Computer Engineering

QIAO Zhengyu

HU Min

SHEN Qi

LI Xueming

Related Institution

School of Control and Computer Engineering, North China Electric Power University

North China Electric Power Research Institute Co., Ltd

Huaneng Nantong Power Plant

North China Electric Power University

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