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Full text of "The Flow Of Gases In Furnaces"

392

APPENDIX X

TABLE 21
GRAPHICAL COMPARISON OP FUELS

Pittsburgh coal, pulverized, No. 21.

Low         High

B.t.u. per pound = 13,336       13,806
Calorics per kg  = 7,409         7,671

Products of Combustion

Composition by Weight as Fired
	Cubic Meters per Kilogram
				
	Air Supply in Percentage of 1 heoretical Requirements
				
	100%
	120%
	140%
	180%
	260%

H,           4.87 C          73.28 S             1.77 O2           5.63 CO2       ....
	
	
	
	
	

	
	
	
	
	

	
	
	
	
	

	0.00 1.38 0.57 6.31
	0.31 1.38 0.57 7.56
	0.63 1.38 0.57
 8.82
	1.26 1.38 0.57 11.33
	2.51 1.38 0.57 16.35

H2O        2.28 N2           1.35 Ash       10.82
 Total    100 . 00 Air supply
					
	8.26 7.84
 1.341
 0.00 22.03 9.08 101.05
 132.16 125.66
 0.00 16.66 6.93 76.41
 0.00 17.91 82.09
	9.82 9.41
	11.40 10.98
	14.54 14.12
	20.81 20.39
 1.341
 40.22 22.03 9.08 261.90
 333.23 326.80
 12.07 6.61 2.75
 78.57
 12.41
      6.80 80.79

Weight: kg per cu m . . .
 Oo..     .  .....
					
		Cubic
 5.03 22.03 9.08 121.12
 157.26 150.80
 Percei
 3.19 14.03
 5.82 76.96
 Perce]
 3.39
 14.87 81.74
	Feet per P<
 10.06 22.03 9.08^ 141.25
 182.42 175.90
 itage Basis
 5.51 12.07 5.02 77.40
 itage Basis
 5.80 12.71 81.49
	)und
 20.11 22.03 9.08 181.45
 232.67 226.20
 (Wet)
 8.66 9.47 3.93 77.94
 (Dry)
 8.99 9.86 81.15
	
CO, .......... H2O .......
					
No .........
					
Total .........
					
Air SUDD!V  ....
					
Oo.
					
COo ........
					
H2O
					
No .....
					
02 ........
					
COo
					
No ........