OXYGEN-ENRICHED COMBUSTION IN A HORIZONTAL FURNACE AND THREE-DIMENTIONAL NUMERICAL SIMULATION TEST THEREOF

ZHAO Hong; GUO Feng; ZHOU Yong-gang; WENG Shan-yong; LING Bo-linZhejiang University

doi:10.19666/j.rlfd.2007.06.008

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OXYGEN-ENRICHED COMBUSTION IN A HORIZONTAL FURNACE AND THREE-DIMENTIONAL NUMERICAL SIMULATION TEST THEREOF

更新时间：2025-09-28

- OXYGEN-ENRICHED COMBUSTION IN A HORIZONTAL FURNACE AND THREE-DIMENTIONAL NUMERICAL SIMULATION TEST THEREOF
- Thermal Power Generation Issue 6, Pages: 33-36(2007)
- 作者机构：
  
  浙江大学
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.06.008
  CLC： TK229
- Published：2007
- 稿件说明：
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ZHAO Hong, GUO Feng, ZHOU Yong-gang, et al. OXYGEN-ENRICHED COMBUSTION IN A HORIZONTAL FURNACE AND THREE-DIMENTIONAL NUMERICAL SIMULATION TEST THEREOF[J]. Thermal power generation, 2007, (6): 33-36.
DOI：

ZHAO Hong, GUO Feng, ZHOU Yong-gang, et al. OXYGEN-ENRICHED COMBUSTION IN A HORIZONTAL FURNACE AND THREE-DIMENTIONAL NUMERICAL SIMULATION TEST THEREOF[J]. Thermal power generation, 2007, (6): 33-36. DOI： 10.19666/j.rlfd.2007.06.008.

摘要

通过卧式炉旋流燃烧器燃烧试验

表明氧浓度大小对煤粉的初期、中期着火影响明显。在富氧条件下

火炬前端的温度水平显著提高

有利于实现富氧少油或者无油点火;煤粉的着火距离缩短

燃烧速率加快

从而强化了炉内换热

提高了燃烧效率。

Abstract

Through combustion test using cyclone burners in a horizontal furnace and three-dimensional simulation

it has been discovered that the magnitude of oxygen concentration affects remarkably the ignition of pulverized coal in earlier and medium period of combustion

the temperature field level at the head of torch may be obviously enhanced

this is helpful to realize oxygen-enriched little oil or oil-less ignition. Under oxygen-enriched condition

the ignition distance of pulverized coal becomes shorter

increasing the buring rate

thereby

strengthening heat transfer in the furnace

enhancing the efficiency of combustion.

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