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Full text of "The Flow Of Gases In Furnaces"

254

APPENDIX VII

TABLE 11
COMBUSTION OF PRODUCER GAS (SC-DSW)


	B.t.u.
	B.t.u.
	
	Products of Complete
		
Volumetric
	per
	per
	
	Combustion, Cubic Feet
		
Composition
	Cubic
	100
	02
	
		
of Gas,
	Feet
	Cubic
	Required
	
	
	

Per Cent
	of
 Element
	Feet of Gas
	
	C02
	II2O
	N2*

Hs       12.10
	X 293.2
	= 3,548
	6.05
	
	12.10
	24.20

CH4      2.60
	X 983.4
	= 2,557
	5.20
	2.60
	5.20
	20.80

CWBU     0.40
	X1610.0
	=     644
	1.20
	0.80
	0.80
	4.80

CO      21.78
	X  343.6
	=  7,484
	10.89
	21.78
	
	43.56

O2         0.02
	
	
	-0.02
	
	
	-0.08

COo      5 68
	
	
	
	5.68
	
	

H2O      3 82
	
	
	
	
	3.82
	

No       53 60
	
	
	
	
	
	53 60


	
	
	
	
	
	

100.00
	Low
	14,233
	23.32
	30.86
	21.92
	146.88

H20    18.10
	X    54.06
	=     988
	
	
	
	


	High
	15,221
	
	
	
	

Theoretical air supply = 23.32X5.00 = 116.60 cu ft per 100 cu ft of gas.

* Assuming the atmosphere to consist of 80 per cent Nę and 20 per cent Os.

Air Per
 Cent
	Supply Volumes
	Excess Air
	Products of Combustion of 100 Volumes of Gas
				
			02
	CO,
	H20
	N2
	Total

100
	116.60
	0.00
	0.00
	30.86
	21.92
	146.88
	199.66

120
	139.92
	23.32
	4.64
	30.86
	21.92
	165.53
	222.98

140
	163.24
	46.64
	9.09
	30.86
	21.92
	184.19
	246.30

180
	209.88
	93.28
	18.18
	30.86
	21.92
	221.50
	292.94


	
	
	Percentage Basis (Wet)
				
100
	
	
	0.00
	15.64
	11.11
	73.25
	

120
	
	
	2.00
	14.03
	9.97
	73.94
	

140
	
	
	3.75
	12.72
	9.03
	74.50
	

180
	
	
	6.31
	10.71
	7.50
	75.37
	


	
	
	Percentage Basis (Dry)
				
100
	
	
	0.00
	17.60
	
	82.40
	

120
	
	
	2.29
	15 . 58
	
	82.13
	

140
	
	
	4.12
	13.97
	
	81.91
	

180
	
	
	6.83
	11.59
	
	81.58