CAUSE ANALYSIS OF HIGH EXHAUST GAS TEMPERATURE FROM HG-450/13.7-YM24 BOILER AND RETROFIT THEREOF

ZHOU Bao-shan; ZHU Xiao-shui; CHEN Peng; DONG Gang; LIU Jun; LI Wen-jie; CHEN Min 1.Guodian Suqian Thermal Power Co Ltd

doi:10.19666/j.rlfd.2007.09.008

English

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CAUSE ANALYSIS OF HIGH EXHAUST GAS TEMPERATURE FROM HG-450/13.7-YM24 BOILER AND RETROFIT THEREOF

Thermal Power Generation Issue 9, Pages: 32-35(2007)

更新时间：2025-09-28

- CAUSE ANALYSIS OF HIGH EXHAUST GAS TEMPERATURE FROM HG-450/13.7-YM24 BOILER AND RETROFIT THEREOF
- 作者机构：
  
  1. 国电宿迁热电有限责任公司
  2. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.09.008
  CLC： TK228
- Published：2007
- 稿件说明：
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ZHOU Bao-shan, ZHU Xiao-shui, CHEN Peng, et al. CAUSE ANALYSIS OF HIGH EXHAUST GAS TEMPERATURE FROM HG-450/13.7-YM24 BOILER AND RETROFIT THEREOF[J]. Thermal Power Generation, 2007, (9): 32-35.
DOI：

ZHOU Bao-shan, ZHU Xiao-shui, CHEN Peng, et al. CAUSE ANALYSIS OF HIGH EXHAUST GAS TEMPERATURE FROM HG-450/13.7-YM24 BOILER AND RETROFIT THEREOF[J]. Thermal Power Generation, 2007, (9): 32-35. DOI： 10.19666/j.rlfd.2007.09.008.

摘要

国电宿迁热电有限公司2×135MW机组投产后

锅炉实际运行排烟温度远远高于设计值。分析认为其主要原因是对制粉系统掺冷风量大及各段受热面设计存在偏差

对此

提出了锅炉加装部分省煤器和低温过热器的改造方案。实施改造后

热力参数达到了设计值

排烟温度同比下降30℃左右

锅炉效率得到了明显的提高。

Abstract

After putting HG-450/13.7-YM24 boiler of Guodian Suqian Thermal Power Co Ltd into operation

the actual exhaust gas temperature of said boiler was more far higher than the designed value.It is believed from analysis that the main cause resulting in high exhaust gas temperature from the boiler to be large flow rate of cooling air mixed into the coal pulverizing system

leading to deviation in designed heating surface.For this

a retrofitling scheme of additionally installing partial economizer and low-tempera- ture superheater to the said boiler has been put forward.After implementation

thermal parameters of the boiler has reached the de- signed values

the exhaust gas temperature reduced about 30℃

enhancing substantially the boiler efficiency.

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