TEMPERATURE DEVIATION BETWEEN MAIN AND REHEAT STEAM AND TUBE-WALL OVERTEMPERATURE FOR TANGENTIALLY-FIRED BOILER: ANALYSIS AND TREATMENT

SUN Yuying1; WANG Zhigang2; CHEN Guohui2 1.Beijing University of Technology

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TEMPERATURE DEVIATION BETWEEN MAIN AND REHEAT STEAM AND TUBE-WALL OVERTEMPERATURE FOR TANGENTIALLY-FIRED BOILER: ANALYSIS AND TREATMENT

更新时间：2025-09-28

- TEMPERATURE DEVIATION BETWEEN MAIN AND REHEAT STEAM AND TUBE-WALL OVERTEMPERATURE FOR TANGENTIALLY-FIRED BOILER: ANALYSIS AND TREATMENT
- Thermal Power Generation Vol. 41, Issue 8, Pages: 48-50(2012)
- 作者机构：
  
  1. 北京工业大学建工学院
  2. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK227
- Published：2012
- 稿件说明：
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SUN Yuying1, WANG Zhigang2, CHEN Guohui2 1.Beijing University of Technology. TEMPERATURE DEVIATION BETWEEN MAIN AND REHEAT STEAM AND TUBE-WALL OVERTEMPERATURE FOR TANGENTIALLY-FIRED BOILER: ANALYSIS AND TREATMENT[J]. Thermal power generation, 2012, 41(8): 48-50.
DOI：

SUN Yuying1, WANG Zhigang2, CHEN Guohui2 1.Beijing University of Technology. TEMPERATURE DEVIATION BETWEEN MAIN AND REHEAT STEAM AND TUBE-WALL OVERTEMPERATURE FOR TANGENTIALLY-FIRED BOILER: ANALYSIS AND TREATMENT[J]. Thermal power generation, 2012, 41(8): 48-50. DOI：

摘要

对A电厂660MW机组和B电厂680MW机组四角切圆燃烧锅炉采用调整燃尽风水平摆角方法解决锅炉主、再热蒸汽温度偏差和管壁超温的措施进行试验。结果表明

调整燃尽风水平摆角改变了燃尽风的切圆大小

进而改变了烟气流在出炉膛时的流场分布。A电厂6号机组和B电厂5号机组调整AA风摆角后

两侧主蒸汽温度差消除

过热器壁温降低

且不再超温。

Abstract

To solve the problems like temperature deviation between main and reheat steam and tube-wall overtemperature

experiment about regulating the horizontally offset angle of over-fire air was conducted

on tangentially-fired boiler for 660 MW unit in power plant A and 680 MW unit in power plant B.Results show that

regulating the horizontally offset angle of over-fire air can alter the size of tangential circle

so as to change the flow field distribution of flue gas at the outlet of furnace.For No.6 unit in power plant A and No.5 unit for power plant B

after the regulation

temperature deviation between main and reheat steam is eliminated

besides

the wall temperature of superheater decreases.

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