RETROFIT OF BED TEMPERATURE CONTROL SYSTEM FOR A 450 t/h CFB BOILER

PING Yu-huan1; YU Xi-ning1; ZHANG Shu-jing21.North China Electric Power Univeristy

doi:10.19666/j.rlfd.2007.06.031

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RETROFIT OF BED TEMPERATURE CONTROL SYSTEM FOR A 450 t/h CFB BOILER

更新时间：2025-09-28

- RETROFIT OF BED TEMPERATURE CONTROL SYSTEM FOR A 450 t/h CFB BOILER
- Thermal Power Generation Issue 6, Pages: 112-114(2007)
- 作者机构：
  
  1. 华北电力大学
  2. 保定热电厂
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.06.031
  CLC： TK32
- Published：2007
- 稿件说明：
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PING Yu-huan1, YU Xi-ning1, ZHANG Shu-jing21.North China Electric Power Univeristy. RETROFIT OF BED TEMPERATURE CONTROL SYSTEM FOR A 450 t/h CFB BOILER[J]. Thermal power generation, 2007, (6): 112-114.
DOI：

PING Yu-huan1, YU Xi-ning1, ZHANG Shu-jing21.North China Electric Power Univeristy. RETROFIT OF BED TEMPERATURE CONTROL SYSTEM FOR A 450 t/h CFB BOILER[J]. Thermal power generation, 2007, (6): 112-114. DOI： 10.19666/j.rlfd.2007.06.031.

摘要

由于循环流化床(CFB)锅炉燃烧控制系统中存在分布参数、强非线性和时变性

以及多变量紧密耦合等问题

给锅炉燃烧系统尤其是给床温系统实现自动控制带来较大困难。针对保定热电厂450t/hCFB锅炉实际运行情况

分析了原设计的床温控制系统存在的不足

对控制系统实施了改造

改造后的床温控制系统控制效果优于原设计系统

可容易地投入自动控制。

Abstract

Because of many problems existing in the combustion control system of circulating fluidized bed (CFB) boiler

such as non-linearity and strong time-varying behavior of the distributed parameters

as well as closely coupling among multiple variables etc.

it brings comparative difficulty to realization of automatic control for the combustion system of boiler

especially for the bed temperature control system. Directing against the practical situation of a 450 t/h boiler in Baoding Thermal Power Plant

the insufficiency of originally designed bed-temperature control system has been analysed

and retrofit of the said system being implemented

thereby

the control effectiveness to be better than that of the originally designed system

and the automatic system to be easily put into operation.

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