<4. Applications>
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TI 11M12A01-01EAll Right Reserved Copyright © 2004, Yokogawa Electric Corporation
Mar. 14, 2017-00
(2) Hotblaststove(blastfurnacefacility)
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 zirconia oxygen
analyzer is used to control or monitor this combustion.
Sample point System type Detector Objective
Duct
L2, L3
(If pressure is high,
a pressure compensated
detector is selected.)
D1
Combustion monitoring
O
2
control
F0406.ai
Purified Gas Bleeder Tube
Furnace Top Pressure
Recovery Unit
Waste Heat Recovery
from Hot Blast Stove
C-gas
Combustion Blowers
Blast
Furnace
Hot blast stove
Gas temperature: 20 to 350°C
Gas pressure: 3.5 to 10 kPa
Dust: 50 mg/Nm
3
Fuel: Gas
Dust
Precipitator
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