B) Hot Blast Stove (Blast Furnace Facility) - YOKOGAWA ZR22G Technical Information

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b) Hot blast stove (blast furnace facility)

The hot blast stove is a facility used to heat the air used in a blast furnace to provide the high-
temperature hot air blast.
The air is heated by combustion of the gas generated from the coke ovens. The O
used to control or monitor this combustion.
Blast
Furnace
Hot blast stove
Temperature: 20 to 350°C
Pressure: 3.5 to 10 kPa
Dust: 50 mg/Nm
Fuel: Gas
All Rights Reserved. Copyright © 2004, Yokogawa Electric Corporation
Sample point
Duct
a pressure compensated
Dust
Precipitator
3
System type
L2, L3
(If pressure is high,
detector is selected.)
4. Applications
2
Detector Objective
Combustion monitoring
D1
O
Furnace Top Pressure
Recovery Unit
Hot Blast Stove Waste
Heat Recovery
TI 11M12A01-01E
4-6
analyzer is
control
2
T0404.EPS
F0404.EPS
May 31,2004-00