300MW机组循环流化床锅炉外置床运行特性试验

黄元生; 张利君; 王虎; 卢啸风

doi:10.19666/j.rlfd.201904055

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300MW机组循环流化床锅炉外置床运行特性试验

热力发电 2019年48卷第8期页码：101-105

发电技术论坛 | 更新时间：2025-09-28

- 300MW机组循环流化床锅炉外置床运行特性试验
- Test on operation characteristics of fluidized bed heat exchanger of a 300 MW unit circulating fluidized bed boiler
- 作者机构：
  
  1. 华北电力大学经济与管理学院
  2. 国家能源集团循环流化床技术研发中心
  3. 重庆大学能源与动力工程学院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.201904055
  中图分类号： TK229.6
- 网络出版：2019-08-01，
  
  纸质出版：2019
- 稿件说明：
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黄元生, 张利君, 王虎, 等. 300MW机组循环流化床锅炉外置床运行特性试验[J]. 热力发电, 2019,48(8):101-105.

HUANG Yuansheng, ZHANG Lijun, WANG Hu, et al. Test on operation characteristics of fluidized bed heat exchanger of a 300 MW unit circulating fluidized bed boiler[J]. Thermal Power Generation, 2019, 48(8): 101-105.
黄元生, 张利君, 王虎, 等. 300MW机组循环流化床锅炉外置床运行特性试验[J]. 热力发电, 2019,48(8):101-105. DOI： 10.19666/j.rlfd.201904055.

HUANG Yuansheng, ZHANG Lijun, WANG Hu, et al. Test on operation characteristics of fluidized bed heat exchanger of a 300 MW unit circulating fluidized bed boiler[J]. Thermal Power Generation, 2019, 48(8): 101-105. DOI： 10.19666/j.rlfd.201904055.

摘要

在测量某台燃用贫煤的300 MW机组循环流化床(CFB)锅炉外置床热力参数及烟气成分基础上

对大型CFB锅炉外置床运行特性进行了试验研究。结果表明:燃烧贫煤的CFB锅炉外置床内存在燃烧现象;不同类型的外置床内吸热份额、燃烧释放热量及流经外置床的循环灰流量不同;通过建立外置床平衡方程或者直接测量外置床烟气成分均可获得满足工程精度的外置床内燃烧释放热量。该研究结果可为超(超)临界CFB锅炉外置床设计与运行提供参考。

Abstract

On the basis of measuring the thermodynamic parameters and flue gas components of the fluidized bed heat exchanger(FBHE) of a 300 MW CFB boiler fueled by lean coal under different thermal loads

the actual operation characteristics of the FBHE were experimentally investigated. The results indicate that

post-combustion phenomenon exists in the FBHE of the CFB boiler firing lean coal. The heat absorption shares of the different FBHEs are quite different from each other

as well as heat released by char combustion and ash flow rates through the FBHE. The heat release by char combustion in the FBHE can be obtained by establishing equilibrium equation in the FBHE or directly measuring the flue gas composition at outlet of the FBHEs. These results can provide referential materials for design and operation of the FBHE in large-scale CFB boilers.

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