Effect of tertiary air speed on combustion efficiency of pulverized coal burners

ZHANG Wenxue; GUO Cai; WU Jianxin

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Effect of tertiary air speed on combustion efficiency of pulverized coal burners

更新时间：2025-09-28

- Effect of tertiary air speed on combustion efficiency of pulverized coal burners
- Thermal Power Generation Vol. 44, Issue 4, Pages: 39-43(2015)
- 作者机构：
  
  1. 内蒙古工业大学机械学院
  2. 大连理工大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK223.23
- Published：2015
- 稿件说明：
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ZHANG Wenxue, GUO Cai, WU Jianxin. Effect of tertiary air speed on combustion efficiency of pulverized coal burners[J]. Thermal power generation, 2015, 44(4): 39-43.
DOI：

ZHANG Wenxue, GUO Cai, WU Jianxin. Effect of tertiary air speed on combustion efficiency of pulverized coal burners[J]. Thermal power generation, 2015, 44(4): 39-43. DOI：

摘要

为了研究三次风速对LB2000型沥青搅拌站煤粉燃烧器燃烧效率的影响

建立煤粉燃烧器数学模型

应用Fluent软件

采用标准k-ε模型对煤粉燃烧器中的煤粉燃烧进行模拟。在不同三次风风速下

对沥青搅拌站煤粉燃烧器的温度场、组分浓度场、燃尽率分布场和颗粒轨迹进行了分析。根据燃烧效率评价标准

得出了最佳三次风风速为40~50m/s。

Abstract

In order to study the influence of tertiary air speed on burning efficiency of LB2000 type asphalt mixing station pulverized coal burners

a mathematical model was established.By using the Fluent software and the standard k-ε model

numerical simulation on pulverized coal combustion in the burner was carried out.With different tertiary air speeds

the temperature field

component concentration field

burning rate distribution field and particle trajectory in the buerner were studied.According to the evaluation standard of combustion efficiency

the optimal tertiary air speed should be from 40m/s to 50m/s.

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