I. MOST IMPORTANT TECHNICAL THINGS TO KNOW
EQUIVALENT % CO 2
% Oxygen
% Excess Air
Gas
Oil
Coal
1
5
11.3
14.7
17.1
2
10
10.8
14.0
16.3
3
17
10.2
13.3
15.4
4
23
9.6
12.5
14.6
31
9.0
11.8
13.7
6
40
8.5
11.1
12.8
7
50
7.9
10.3
12.0
8
61
7.4
9
75
6.8
8.8
91
6.2
8.1
9.4
11
110
5.7
8.6
12
133
5.1
6.6
7.7
13
162
4.5
5.9
14
200
3.9
5.2
6.0
15
250
3.4
4.4
16
320
2.8
3.7
4.2
II. TO RUN BOILER SMOOTHLY & TO ATTAIN OPTIMUM STEAM FUEL RATIO
CONTINUOUS & REGULAR DOSAGE OF “HEATER AID”, STICKS.
DESCRIPTION
UNIT
R.HUSK
M.STALK
P.FIBER
P.WASTE
SC.CHIPS
P.STRAW
Ambient Temp.
DEG C
13.00
DEG F
55.40
Outlet Temp.
190.00
374.00
Engy.req.to 1 kg. water va.
BTU/lb
1207.60
Net enthalpy of steam blr.
1194.21
Hydrogen in fuel
%
5.00
5.12
5.68
4.99
Dry gas per kg. fuel
lb
7.01
6.13
7.42
6.72
4.48
6.66
Water from by H/kg fuel
0.45
0.46
0.51
Ash in fuel
16.46
7.97
1.18
16.77
4.00
16.48
Fuel input ratio
100.00
Dust in fuel
1.00
6.00
0.50
Avg. moisture in fuel
11.50
18.47
6.75
10.60
41.00
15.97
G.C. value of fuel O.D.base.
Kcal/kg
3750.00
3187.50
3901.00
3375.00
4500.00
2625.00
G.C. value of fuel (Dry)
6750
5737.50
7021.80
6075.00
8100.00
4725.00
G.C. value of fuel (As such)
5914.01
4397.12
6515.09
5105.19
4540.05
3930.71
Moisture in air per kg of air
0.15
0.13
0.11
0.14
0.07
Total Moisture in air
0.71
0.77
0.69
0.70
0.93
0.75
Wet air
7.61
8.05
7.31
7.24
Wet flue gas
8.44
7.64
9.03
8.15
5.96
8.08
Dry gas
7.73
6.87
8.34
7.45
5.03
7.33
Dry gas losses
10.04
11.99
9.83
11.20
8.51
14.32
Loss due to moisture in air
0.19
0.23
0.22
0.12
0.28
Loss moisture in flue gas
11.54
17.73
10.73
13.13
22.87
18.73
Unaccounted loss unburnt
6.30
15.00
Total loss
28.07
36.25
25.69
30.85
37.80
48.33
Thermal efficiency of fuel
71.93
63.75
74.31
69.15
62.20
51.67
Steam per MT of fuel
MT
3.56
2.35
4.05
2.96
2.36
1.70
Avg. cost of fuel
RS/MT
1000.00
610.00
0.00
762.00
500.00
448.04
Cost of steam
280.72
259.86
257.77
211.46
158.82
SULPHER
0.20
0.42
SAW DUST
BAGGASSE
COTTON
BAJARA
MOONG
W.STRAW
GUARA
6.05
5.25
5.38
5.20
5.30
4.14
4.75
7.17
6.90
6.96
0.54
0.47
0.48
4.94
4.86
8.47
10.00
2.00
26.44
48.00
40.00
12.22
9.42
12.00
9.81
3600.00
3850.00
6480.00
6750.00
6930.00
5362.52
4190.94
4811.40
5631.26
6053.01
5821.20
6187.67
0.08
0.79
1.10
0.94
0.78
5.83
4.76
6.65
7.86
7.53
7.57
6.78
5.71
6.25
7.60
8.82
6.44
8.53
5.98
4.61
6.83
8.04
7.69
7.82
8.57
8.45
8.46
9.31
10.20
10.15
9.71
0.18
16.09
29.52
21.90
14.30
12.65
12.53
11.05
5.50
9.00
7.50
31.07
44.41
35.98
32.76
28.05
34.88
28.44
68.93
55.59
64.02
67.24
71.95
65.12
71.56
3.10
1.95
2.58
3.17
3.65
3.71
941.00
600.00
700.00
750.00
304.01
307.53
236.49
220.76
191.93
240.05
202.27
