Influence of the Inner and Outer Secondary Air Ratios on the Combustion Characteristic and Flame Shape of a Swirl Burner with a Prechamber

Figure 1

Schematic diagram of the experiment system. 1, 2, and 4- blower; 3- Roots fan; 5- storage facilities; 6- feeding device; 7- mass flowmeter; 8- valve; 9- ignition device; 10- thermocouple; 11- air compressor; 12- signal exchanger; 13- desktop computer; 14- sampling device; 15- filter unit; 16- flue gas analyzer 17- high-speed camera; 18- notebook computer; 19- protective wall; and 20-burner.