Page 23 - 4911

Appendix G

Table A7 - Characteristics of oil-gas burners

Flow rate

Injector The velocity of the gas at the outlet of the pipe, m/s The gas pressure at the burner, kPa . Air velocity in the embrasure, m/sм/с Coefficient of resistance of the air channel The air pressure at the burner, kPa oil Pressure before the nozzle, MPa Length of the flame when working on fuel oil, m
The type of burner
Fuel oil, kg/s Gas, m 3 /s

0,28 0,30 130 200 30-40 3,0 9,3- 3,5-4,0 5,0-4,0
mechanical dispersion 1,11 1,21 143 300 35-40 3,0 12,5- -“- 8,0-7,0
Vortex peripheral gas supply, the 0,49 0,53 130 200 30-40 3,0 16,5 -“- 6,5-6,0
central nozzle, two fly supply of 0,70 0,76 128 200 30-40 3,0 -“- -“- 7,0-6,5
air and with axial register -“-

1,82
3,0
160 400 35-50
5,0
-“-
1,67
20,8
12,5-
25,8
Swirl with a Central gas and fuel S.d. 0,48 0,53 120 300 40 2,5 12,8 -“- 5,0
oil, as well stream inlet air and
tangential register

Flow of gas through a series of М.d. 1,11 1,21 120 300 60 1,7 20,0 3,5 6,5-6,0
pipes, and a central nozzle, three
оr
stream air supply and axial
turbulencer 15% S. d. 1,67 1,82 140 300 70 1,7 25,0 3,5
Turbulencer with a combined М.d. 1,67 1,82 120 300 50-65 2,3 16,5- 3,5 7,0-6,0
supply of gas, central supply of 30,0
оr
fuel oil, three flow with
tangential and axial inlet air S. d. 2,80 3,10 120 300 45 2,2 3,5 9,0
13,5
through turbulencer
Uniflow with the central flow of М.р. 2,5 3,0 100 200 90 - 40,0 3,5 15,5
gas and oil, two line supply air
and turbulence 15-20%
NOTE: M.d. - mechanical dispersion; S. d. - steam dispersion. The speed of the air in the recess defined by
the nominal load, when the coefficient of excess air in the burner is 1.0 and the temperature is 250ºС.

23