0 引言
1 实验部分
1.1 燃烧系统
Fig. 1 Schematic diagram of combustion experiment platform图1 燃烧实验平台示意图 |
Fig. 2 3D schematic diagram of swirl burner图2 旋流燃烧器三维示意图 |
Table 1 Composition and content of sludge pyrolysis gas表1 污泥热解气组成及含量 |
组分 | 体积含量/% |
---|---|
CO2 | 40.6 |
H2 | 26.9 |
CH4 | 13.5 |
CO | 13.5 |
C2H6 | 2.2 |
N2 | 1.7 |
C2H4 | 1.6 |
Table 2 Experimental parameters under different equivalence ratio表2 各实验条件的工况参数 |
工况 | P/kW | XNH3/% | φ |
---|---|---|---|
1 | 5 | 0 | 0.8 |
2 | 1.0 | ||
3 | 1.2 | ||
4 | 10 | 0.8 | |
5 | 1.0 | ||
6 | 1.2 | ||
7 | 20 | 0.8 | |
8 | 1.0 | ||
9 | 1.2 | ||
10 | 30 | 0.8 | |
11 | 1.0 | ||
12 | 1.2 |
1.2 化学发光检测
2 结果与讨论
2.1 旋流火焰结构测量方法
Fig. 3 Chemiluminescence diagram of OH* (φ = 1.0, XNH3 = 0%): (a) black & white; (b) pseudo-color图3 OH* 化学发光图(φ = 1.0,XNH3 = 0%):(a)黑白图;(b)伪彩图 |
2.2 当量比对旋流火焰结构的影响
Fig. 4 Chemiluminescence diagram of OH* under different equivalence ratios图4 不同当量比下OH* 化学发光图 |
Fig. 5 Radiation intensity peaks (a) and peak positions (b) of OH* under different equivalence ratios图5 不同当量比下OH* 辐射强度峰值(a)及峰值位置(b) |
Fig. 6 Chemiluminescence diagram of CH* under different equivalence ratios图6 不同当量比下CH* 化学发光图 |
Fig. 7 Radiation intensity peaks (a) and peak positions (b) of CH* under different equivalence ratios图7 不同当量比下CH* 辐射强度峰值(a)及峰值位置(b) |
2.3 掺氨比对旋流火焰结构的影响
Fig. 8 Chemiluminescence diagram of OH* under different ammonia doping ratios图8 不同掺氨比下OH* 化学发光图 |
Fig. 9 Radiation intensity peaks (a) and peak positions (b) of OH* at different ammonia blending ratios图9 不同掺氨比下OH* 辐射强度峰值(a)及峰值位置(b) |
Fig. 10 Chemiluminescence diagram of CH* under different ammonia doping ratios图10 不同掺氨比下CH* 化学发光图 |
Fig. 11 Radiation intensity peaks (a) and peak positions (b) of CH* at different ammonia blending ratios图11 不同掺氨比下CH* 辐射强度峰值(a)及峰值位置(b) |
Fig. 12 Radiation intensity peaks of OH* (a) and CH* (b) under different equivalence ratios and ammonia doping ratios图12 不同当量比和掺氨比下的OH*(a)、CH*(b)辐射强度峰值 |