燃烧参数对炉内温度场、流场和浓度场的影响

李健; 邓学良; 杨坤

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燃烧参数对炉内温度场、流场和浓度场的影响

更新时间：2026-09-14

- 燃烧参数对炉内温度场、流场和浓度场的影响
- 燃烧参数对炉内温度场、流场和浓度场的影响
- Issue 1, (2010)
- 作者机构：
  
  西北工业大学材料学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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李健, 邓学良, 杨坤. 燃烧参数对炉内温度场、流场和浓度场的影响[J]. 2010, (1).
DOI：

李健, 邓学良, 杨坤. 燃烧参数对炉内温度场、流场和浓度场的影响[J]. 2010, (1). DOI：

摘要

对天然气在高温蓄热式加热炉中的燃烧技术

运用Fluent软件通过数值模拟进行了研究.主要分析了影响炉膛内气流流动和温度分布的因素.研究结果表明:气流的相对速度对加热炉炉膛内的温度分布有很大的影响.天然气射流和空气射流的相对速度越小

加热炉内的高温区域越大

而且炉膛内的平均温度愈高

炉内的温度均匀性愈好;当空气的预热温度不变时

仅提高天然气的预热温度

炉内的最高温度和平均温度会随之提高;当空气的温度比较低时

随着天然气的预热温度的升高

燃烧产物中NO的浓度呈指数规律升高;当空气的预热温度升高时

NO的浓度随天然气的预热温度的升高呈指数规律降低.

Abstract

Numerical simulation of temperature field in high temperature regenerative heating furnace was studied by using Fluent software.The gas parameters influencing temperature field

flow field and concentration field in furnace were mainly analyzed.The research results are as follows: the relative speed of the air flow plays a vital role in temperature distribution;the lower the relative speed of jet flow between the natural gas and the air

the wider the high temperature zone is;moreover

the higher the average temperature in the furnace is

the better the homogeneity of average temperature is;when the air preheating temperature is constant

to improve the preheating temperature of nature gas

the maximum temperature in the furnace also can enhance along with it;when the temperature of air is lower

the concentration of NO increases exponentially with the air preheating temperature increased;however

when the temperature of the air is higher

the concentration of NO decreases exponentially with the air preheating temperature increased.

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