Combustion Phenomena of High Temperature Air Combustion - High Temperature Air Combustion: From Energy Conservation to Pollution Reduction - page 35

500

Symbol O conc. Dilution gas Air ratio
7% CO 4.2
17% CO 10.2
4% N 2.4
15% N 9.0

2

2
2 400

2
2

300

200

100

900

950 1000 1050 1100 1150 1200

Diluted air temperature, ° C

FIGURE 2.5 Ef fect of diluted air temperature on NO emission.

x

TC TC TC

Pilot burner Pilot burner

TC

TC

Test furnace

L3800 x W1000 x H1000
mm

Regenerative
Burner

Regenerative
Burner

Orifice

A

FDF

Switching
device

TC

Orifice

IDF

Flue gas sampling &
analyzing system (CO, NO x & O 2

FIGURE 2.6 Schematic of 350 kW -scale test rig.