Effect of SOFA on furnace outlet gas temperature

WANG Chunchang; CHEN Guohui

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Effect of SOFA on furnace outlet gas temperature

更新时间：2025-09-28

- Effect of SOFA on furnace outlet gas temperature
- Thermal Power Generation Vol. 42, Issue 10, Pages: 78-82(2013)
- 作者机构：
  
  西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK227
- Published：2013
- 稿件说明：
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WANG Chunchang, CHEN Guohui. Effect of SOFA on furnace outlet gas temperature[J]. Thermal power generation, 2013, 42(10): 78-82.
DOI：

WANG Chunchang, CHEN Guohui. Effect of SOFA on furnace outlet gas temperature[J]. Thermal power generation, 2013, 42(10): 78-82. DOI：

摘要

远离型燃尽风(SOFA)对炉膛出口烟气温度影响较大。在SOFA改造比较成功时

炉膛出口烟气温度是否升高主要取决于SOFA的过量空气系数

当该值超过其临界值时

炉膛出口烟气温度降低

反之则升高。在炉膛出口烟气温度降低时

适当调整SOFA的风量和炉膛出口过量空气系数

会使NOx排放降低

锅炉效率提高。

Abstract

The separated over fire air(SOFA)has great effect on furnace outlet gas temperature.After the successful SOFA transformation

the furnace outlet gas temperature decreased when the excess air coefficient of the SOFA is larger than the critical value

otherwise

it increased.When the furnace outlet gas temperature dropped

properly adjusting the SOFA volume and excess air coefficient at furnace outlet can reduce the NOx emission and enhance the boiler efficiency.

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