AUTOMATIC CONTROL SYSTEM OF SCR FLUE GAS DENITRIFICATION AND ITS APPLICATION IN SANHE POWER PLANT

LI Feng; WANG Li; GAO Fu-chun Xi’an Co Ltd of North China Electric Power Science Research Institute

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AUTOMATIC CONTROL SYSTEM OF SCR FLUE GAS DENITRIFICATION AND ITS APPLICATION IN SANHE POWER PLANT

Thermal Power Generation Vol. 38, Issue 5, Pages: 91-93(2009)

更新时间：2025-09-28

- AUTOMATIC CONTROL SYSTEM OF SCR FLUE GAS DENITRIFICATION AND ITS APPLICATION IN SANHE POWER PLANT
- 作者机构：
  
  华北电力科学研究院西安有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： X773
- Published：2009
- 稿件说明：
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LI Feng, WANG Li, GAO Fu-chun Xi’an Co Ltd of North China Electric Power Science Research Institute. AUTOMATIC CONTROL SYSTEM OF SCR FLUE GAS DENITRIFICATION AND ITS APPLICATION IN SANHE POWER PLANT[J]. Thermal Power Generation, 2009, 38(5): 91-93.
DOI：

LI Feng, WANG Li, GAO Fu-chun Xi’an Co Ltd of North China Electric Power Science Research Institute. AUTOMATIC CONTROL SYSTEM OF SCR FLUE GAS DENITRIFICATION AND ITS APPLICATION IN SANHE POWER PLANT[J]. Thermal Power Generation, 2009, 38(5): 91-93. DOI：

摘要

介绍了国华三河电厂二期2×300MW机组的烟气脱硝自动控制系统

该控制系统的控制策略不仅算法过程简单、参数整定方式清晰、对象识别速度快

而且充分利用随动关系对应的摩尔比

以及用比例控制方式

解决了烟气出口NOx浓度因大惯性而难于控制的问题。对实际运行参数检验表明

该控制系统鲁棒性强

达到了各项控制指标

较好地满足了脱硝自动化控制的要求

并具有较强的通用性和实用性。

Abstract

The automatic control system of flue gas denitrification for 2×300 MW units in Sanhe Power Plant has been presented

the control strategy of said control system not only has simple algorithm process

but also uses the mole ratio corresponding to the follow-up relation and the proportional control mode

solving the difficult problem of controlling the concentration of NOx at exit of flue gas due to its large inertia.Through inspection of actual operation parameters

it shows that the said control system has strong robustness

satisfying better the requirements of automatic control in flue gas denitrification

having stronger universality and practicality for selective catalystic reduction(SCR)denitrification system.

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