Influence of measurement and estimation of heat loss on efficiency of CFB boiler

JIAO Tongshuai; YAN Weiping; CAO Ying; CHEN Xin; WANG Hua

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Influence of measurement and estimation of heat loss on efficiency of CFB boiler

Thermal Power Generation Issue 11, (2016)

更新时间：2025-09-28

- Influence of measurement and estimation of heat loss on efficiency of CFB boiler
- 作者机构：
  
  1. 华北电力大学能源动力与机械工程学院,河北,保定,071003
  2. 山东省特种设备检验研究院济宁分院,山东,济宁,272000
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK229.66
- Published Online：24 November 2016，
  
  Published：2016
- 稿件说明：
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JIAO Tongshuai, YAN Weiping, CAO Ying, et al. Influence of measurement and estimation of heat loss on efficiency of CFB boiler[J]. Thermal Power Generation, 2016, (11).
DOI：

JIAO Tongshuai, YAN Weiping, CAO Ying, et al. Influence of measurement and estimation of heat loss on efficiency of CFB boiler[J]. Thermal Power Generation, 2016, (11). DOI：

摘要

为衡量现行《电站锅炉性能试验规程》(GB 10184―1988)中散热损失的估计方法对电厂锅炉效率的影响

对一台440 t/h循环流化床(CFB)锅炉进行了散热损失现场测试及不确定度分析。测试时

将锅炉系统外表面分成134块区域

共设置1 333个测点

在每个测点处

表面温度、环境温度、环境风速各读取3个数。经计算可得

该锅炉系统的散热损失为0.731%

不确定度为0.08%

测试结果具有很高的准确度。但按现行国标和行业标准的估计方法确定的散热损失为0.432%

导致锅炉效率存在0.382%的单侧不确定度。

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