The optimal static regulation characteristics of circulating fluidized bed boiler based on combustion optimization

LIU Zhongyuan; MA Suxia; LI Guosheng; LIU Jianhua; XING Xiufeng

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The optimal static regulation characteristics of circulating fluidized bed boiler based on combustion optimization

Thermal Power Generation Issue 4, (2017)

更新时间：2025-09-28

- The optimal static regulation characteristics of circulating fluidized bed boiler based on combustion optimization
- 作者机构：
  
  1. 国网山西省电力公司电力科学研究院,山西,太原,030001
  2. 太原理工大学电气与动力工程学院,山西,太原,030024
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK321
- Published Online：26 April 2017，
  
  Published：2017
- 稿件说明：
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LIU Zhongyuan, MA Suxia, LI Guosheng, et al. The optimal static regulation characteristics of circulating fluidized bed boiler based on combustion optimization[J]. Thermal Power Generation, 2017, (4).
DOI：

LIU Zhongyuan, MA Suxia, LI Guosheng, et al. The optimal static regulation characteristics of circulating fluidized bed boiler based on combustion optimization[J]. Thermal Power Generation, 2017, (4). DOI：

摘要

目前，循环流化床(CFB)机组自动发电控制(AGC)一直处于动荡调节过程之中，致使各调节机构动作频繁

这主要是由于对CFB锅炉燃烧系统各调节量随负荷的变化规律(即静态特性)不明所致。因此，根据CFB锅炉的容量、结构、分离器性能、脱硫效率等，通过调节给煤粒度分布、床压降和一二次风比，获得最优物料质量浓度分布，并降低底渣含碳量和飞灰含碳量，然后建立炉内热量平衡、物料平衡和碳量平衡方程，采用牛顿法求解非线性方程组，获得CFB锅炉在不同负荷下燃用不同煤质及其在不同给煤粒度分布下的静态调节特性，确定CFB锅炉优化运行时的燃料量、一次风量、二次风量、石灰石量和排渣量等最佳调节量，将其作为CFB锅炉燃烧调节设定值，可实现CFB锅炉燃烧解耦控制。

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