Verification experiment for MILD combustion evaluation standards

WU Yongfu; ZHAO Guanglei; LIU Zhongxing; WU Dianbin; DONG Yunfang

doi:10.19666/j.rlfd.201704012

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Verification experiment for MILD combustion evaluation standards

更新时间：2025-09-28

- Verification experiment for MILD combustion evaluation standards
- Thermal Power Generation Vol. 47, Issue 1, Pages: 106-111(2018)
- 作者机构：
  
  1. 内蒙古科技大学能源与环境学院
  2. 内蒙古自治区白云鄂博矿多金属资源综合利用重点实验室
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.201704012
  CLC： TK16
- Published：2018
- 稿件说明：
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WU Yongfu, ZHAO Guanglei, LIU Zhongxing, et al. Verification experiment for MILD combustion evaluation standards[J]. Thermal power generation, 2018, 47(1): 106-111.
DOI：

WU Yongfu, ZHAO Guanglei, LIU Zhongxing, et al. Verification experiment for MILD combustion evaluation standards[J]. Thermal power generation, 2018, 47(1): 106-111. DOI： 10.19666/j.rlfd.201704012.

摘要

MILD(炉膛内氧气被强烈稀释到低氧条件下的一种温和燃烧模式)燃烧作为一种洁净燃烧技术已成为国内外研究的热点

然而有关判定MILD燃烧的标准却鲜见报道。为了有效地判定燃烧是否达到MILD状态

本文总结了评定MILD燃烧的3条标准

并实验测量了MILD燃烧的特征参数。通过分析特征参数的规律

发现实现非预混MILD燃烧要同时符合火焰呈淡蓝色或无明显火焰

温度波动比值b小于15%

炉膛中CO和NO_x的质量分数低于100×10~(-6) 3条标准。此研究结果可为非预混MILD燃烧的判定提供参考及依据。

Abstract

As a kind of clean combustion technology

MILD combustion has become a hot research topic at home and abroad. However

there are few reports on evaluation of the MILD combustion. In order to evaluate whether the combustion reaches the MILD state

this paper summarizes three standards for evaluating the MILD combustion

and characteristic parameters of the MILD combustion are measured experimentally. It is found that the nonpremixed MILD combustion must meet the requirement of three standards at the same time through analysis on the law of the characteristic parameters

namely

the flame is barely visible or bluish in color

the temperature uniformity ratio ? is below 15% and the concentration of CO or NOx in the furnace is lower than 100×10-6. The results provide reference and basis for evaluation of non-premixed MILD combustion.

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