OPTIMIZATION OF THE CONTROL SYSTEM FOR CFB BOILER OF 330MW UNIT

ZHANG Zhenwei1; SANG Yongfu1; SONG Jiye2 1.Xi'an Thermal Power Research Institute Co Ltd

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OPTIMIZATION OF THE CONTROL SYSTEM FOR CFB BOILER OF 330MW UNIT

更新时间：2025-09-28

- OPTIMIZATION OF THE CONTROL SYSTEM FOR CFB BOILER OF 330MW UNIT
- Thermal Power Generation Vol. 40, Issue 11, Pages: 71-75(2011)
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 京海煤矸石发电有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK223.7
- Published：2011
- 稿件说明：
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ZHANG Zhenwei1, SANG Yongfu1, SONG Jiye2 1.Xi'an Thermal Power Research Institute Co Ltd. OPTIMIZATION OF THE CONTROL SYSTEM FOR CFB BOILER OF 330MW UNIT[J]. Thermal power generation, 2011, 40(11): 71-75.
DOI：

ZHANG Zhenwei1, SANG Yongfu1, SONG Jiye2 1.Xi'an Thermal Power Research Institute Co Ltd. OPTIMIZATION OF THE CONTROL SYSTEM FOR CFB BOILER OF 330MW UNIT[J]. Thermal power generation, 2011, 40(11): 71-75. DOI：

摘要

针对京海煤矸石发电有限责任公司(京海电厂)330MW机组循环流化床锅炉控制系统存在的协调控制对煤质变化适应性差、炉膛压力高保护频繁动作、二次风量设定值不准确等问题

对控制系统进行了前馈量系数修正、通过惯性环节在机组升降负荷时实现先增加风量再增加煤量和先减少煤量后减少风量等优化。机组变负荷试验结果表明

优化后的控制系统调节性能和品质均满足控制要求

机组各主要指标均在合理范围

控制效果良好。

Abstract

Directing against the problems existing in the control system of CFB boiler for 330 MW unit equipped in Jinghai Gangue Power Generation Co Ltd

such as bad adaptability to coal quality variation

frequent actuation of the furnace pressure protection

and non-accurate set value of secondary air flow rate

etc.

the coefficient of feed forward magnitude has been corrected.Through links of inertance

the optimization measures in load-increasing and load-reducing

i.e.increasing the air flow rate at first

and then increasing the coal feed rate;and reducing the coal feed rate at first

and then reducing the air flow rate

have been realized.Test in load change of the unit shows that the regulating performance and quality of said control system after optimization all suatisfy the requirements of control

the main indices of unit are in a sitable range

having good effectiveness.

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