Environmental Engineering Reference
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High performance furnace
Conventional furnace
1800
1800
ton/h
150
200
285
350
ton/h
150
200
250
300
1600
1600
1400
1400
1200
1200
1000
1000
800
800
20
30
40
50
60
20
30
40
50
60
Furnace length,
m
Furnace length,
m
Effect of production rate
High performance furnace
Conventional furnace
1800
1800
Slab thickness
200
255
300
Slab thickness
200
255
300
mm
1600
mm
1600
1400
1400
1200
1200
1000
1000
800
800
20
30
40
50
60
20
30
40
50
60
Furnace length,
m
Furnace length,
m
Effect of slab thickness
High performance furnace
Conventional furnace
1800
1800
Charging temperature
C
Charging temperature
C
400 °
600
800
350 °
450
550
1600
1600
1400
1400
1200
1200
1000
1000
800
800
20
30
40
50
60
20
30
40
50
60
Furnace length,
m
Furnace length,
m
Effect of charging temperature
FIGURE 5.45 Effects of production rate, slab thickness, and charging temperature to fuel
consumption rate in high performance furnace and conventional furnace.
5.3.1
B ASIC C OMBUSTION C ONTROL S YSTEM FOR S TABLE O PERATION
For regenerative combustion in which burning and extinguishing are repeatedly
switched in a few minutes, it is very important to build up operation sequences of
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