Furnace capacity and heating
time
|
|
product |
height |
space |
|
|
hearth |
pieces in |
carbon |
| Metric |
|
weight |
length |
factor |
space |
stroke |
length |
furnace |
content |
| units |
|
kg |
mm |
|
mm |
mm |
mm |
|
|
| billet at |
|
|
127 |
0.660 |
84 |
211 |
22,708 |
108 |
lc |
| 1,204 |
C |
841 |
6,706 |
0.660 |
84 |
211 |
22,708 |
108 |
hc |
|
|
|
|
heat |
furnace |
production |
seconds |
| Metric |
|
enthalpy |
absorption |
time |
capacity |
in pieces |
per |
| units |
|
kcal/kg |
kcal/m2.h |
in h |
t/h |
per hour |
piece |
| billet at |
|
205 |
75,705 |
1.27 |
71.2 |
85 |
43 |
| 1,204 |
C |
207 |
64,349 |
1.51 |
60.0 |
71 |
50 |
|
|
product |
height |
space |
space |
stroke |
hearth |
pieces in |
carbon |
| US |
|
weight |
length |
factor |
|
|
length |
furnace |
content |
| units |
|
pounds |
" and ' |
factor |
space |
inch |
ft |
|
|
| billet at |
|
|
5.0 |
0.660 |
3.300 |
8.300 |
74.5 |
108 |
lc |
| 2,000 |
F |
1,854 |
22.0 |
0.660 |
3.300 |
8.300 |
74.5 |
108 |
hc |
|
|
|
|
heat |
furnace |
production |
seconds |
| US |
|
enthalpy |
absorption |
time |
capacity |
in pieces |
per |
| units |
|
Btu/lb |
Btu/sqft.h |
in h |
ton/h |
per hour |
piece |
| billet at |
|
369 |
27,910 |
1.27 |
78.5 |
85 |
43 |
| 2,000 |
F |
372 |
64,349 |
1.51 |
66.1 |
71 |
50 |
| Steel grade |
coef A |
coef B |
absor |
| lc |
-0.8333 |
0.171 |
1.000 |
| mc |
-1.8666 |
0.172 |
0.925 |
| hc |
-1.4666 |
0.173 |
0.850 |
| inox |
-6.5269 |
0.173 |
0.500 |
| Table of production rates |
| Billet size |
m t/h |
ton/h |
pieces/h |
| 5.1/4" |
70.7 |
78.0 |
76 |
| 6.3/4" |
68.0 |
75.0 |
44 |
| 7.5/8" |
66.5 |
73.3 |
34 |
| 8.0" |
65.8 |
72.5 |
31 |
| 10.0" |
62.2 |
68.6 |
18 |
|
