YOKOGAWA ZR22G Technical Information

4-6
All Rights Reserved. Copyright © 2004, Yokogawa Electric Corporation
<Toc> <Ind>
TI 11M12A01-01E
4. Applications
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
2
analyzer is
used to control or monitor this combustion.
Sample point System type
T0404.EPS
ObjectiveDetector
Duct D1
L2, L3
(If pressure is high,
a pressure compensated
detector is selected.)
Combustion monitoring
O
2
control
F0404.EPS
P
urified G
as B
lee
der Tube
Furnace Top Pressure
Recovery Unit
Hot Blast Stove Waste
Heat Recovery
C-gas
Com
b
ustion Blowers
Blast
Furnace
Hot blast stove
Temperature: 20 to 350°C
Pressure: 3.5 to 10 kPa
Dust: 50 mg/Nm
3
Fuel: Gas
Dust
Precipitator
May 31,2004-00

YOKOGAWA ZR22G Specifications

General

Brand	YOKOGAWA
Model	ZR22G
Category	Measuring Instruments
Language	English