Liningless Cupolas

APPROXIMATE MELTING RATES IN TONS PER HOUR FOR 
WHITING LININGLESS HOT BLAST CUPOLAS (Uninterrupted Operation)
Cupola
I.D. of
Melt
Zone
Cupola
Area
Sq.
In.
Theoretical
Air Flow
thru Tuyeres
SCFM
Recommended
Blower Cap'y.
METAL TO COKE RATIO (Carbon Content of Coke 90%)
5:1
6:1
7:1
8:1
9:1
10:1
Volume
ICFM
Pressure
oz./in2*
400#Coke/Ton
333#Coke/Ton
286#Coke/Ton
250#Coke/Ton
222#Coke/Ton
200#Coke/Ton
86ft3/#c
99ft3/#c
107ft3/#c
112ft3/#c
118ft3/#c
123ft3/#c
54"
2290
5170
6000
48
10.0
10.4
11.3
12.3
-----
-----
60"
2827
6380
7100
48
12.4
12.9
13.9
15.2
-----
-----
66"
3421
7720
8600
48
15.0
15.6
16.8
18.4
19.6
-----
72"
4072
9190
10500
56
17.8
18.6
20.0
21.9
23.4
-----
78"
4778
10790
12000
56
20.9
21.8
23.5
25.7
27.4
29.2
84"
5542
12510
13900
56
24.2
25.3
27.3
29.8
31.8
33.9
90"
6362
14360
16000
64
27.8
29.0
31.3
34.2
36.5
38.9
96"
7238
16340
18000
64
31.7
29.0
35.6
38.9
41.5
44.3
102"
8171
18440
20300
72
35.7
37.3
40.2
43.9
46.9
50.0
108"
9161
20680
22800
72
40.1
41.8
45.1
49.2
52.6
56.0
114"
10207
23040
25500
80
44.7
46.5
50.2
54.9
58.6
62.4
NOTES: For larger Cupola sizes consult Whiting Metallurgical Equipment Division
* Recommended minimum pressure for use with 1000ºF Whiting-Thermo Hot Blast Heater
For detailed specifications consult Whiting Metallurgical Equipment Division
 
 
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