Page 362 - Engine IQflip'21

Furnace off gas

Challenges

Fof
Fof
⁄ CO – highly toxic Furnace off Gas I [Bof] Furnace off Gas II [Bof]
⁄ H – highly explosive – main components [Vol.-%] 11 / 13 bar LSL Reference USL main components [Vol.-%]
2
CH4
4
methane
0
methane
in combination with CO high intention ethane C2H6 0 0 0.2 ethane
0,2
acetylene
acetylene
C2H2
to autoignition and backfiring ethylene C2H4 0 0 0.2 ethylene
C3H8
0.2
propane
propane
butane C4H10 0 Fof 0.2 butane Fof
⁄ fluctuating dust load of the raw gas higher hydro carbons C(5+)H(12+) 22 66 0.2 higher hydro carbons Furnace off Gas III [Bof]
0Furnace off Gas II [Bof]
carbon monoxide
CO
carbon monoxide
66
33
48
H2
hydrogen
hydrogen main components [Vol.-%] 26 11 / 13 bar LSL Reference USL main components [Vol.-%]
CH4
0
4
methane
methane
nitrogen ethane N2 5 C2H6 0 20 nitrogen 0.2 ethane
1
carbon dioxide acetylene CO2 5 C2H2 0 15 carbon dioxide 0,2 acetylene
water (rel. humidity) ethylene H2O 0 C2H4 80% water (rel. humidity) ethylene
0
0.2
oxygen propane O2 0 C3H8 0 2 oxygen 0.2 propane
Type 3, - to be specified - butane Gasfamily: STEELGAS C4H10 0 Fof Type 3, - to be specified - butane
0.2
Type 4, - to be specified - higher hydro carbons C(5+)H(12+) Furnace off Gas III [Bof] 0.2 higher hydro carbons
Type 4, - to be specified -
0
Type 6, - F58 - carbon monoxide CO 35 Type 6, - F57 - 74 carbon monoxide
60
USL
Reference
H2
hydrogen main components [Vol.-%] 13 10/11.2 bar 13 LSL 26 hydrogen
nitrogen methane N2 5 CH4 23.5 0 25 nitrogen 4
0.2
carbon dioxide ethane CO2 5 C2H6 3.5 0 15 carbon dioxide
0,2
water (rel. humidity) acetylene H2O 0 C2H2 0 80% water (rel. humidity)
oxygen ethylene O2 0 C2H4 0 2 oxygen 0.2
propane
0.2
Type 3, - to be specified - Gasfamily: STEELGAS C3H8 0 Type 3, - to be specified -
0.2
butane
Type 4, - to be specified - C4H10 0 Type 4, - to be specified -
0.2
Type 6, - F57 - higher hydro carbons C(5+)H(12+) 0 Type 6, - F55 -
carbon monoxide CO 49 59.5 75
hydrogen H2 7 7 13
nitrogen N2 5 29 25
carbon dioxide CO2 5 4.5 15
water (rel. humidity) H2O 0 80%
oxygen O2 0 0
Type 3, - to be specified - Gasfamily: STEELGAS
Type 4, - to be specified -
Type 6, - F55 -
All rights reserved May 19