B) Power Generation Boiler (Heavy Oil, Gas) - YOKOGAWA ZR22G Technical Information

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b) Power generation boiler (Heavy oil, Gas)

This is a large-scale facility in which use for combustion control is more common than for combus-
tion monitoring.
In cogeneration, the majority of cases involve measurement at a single point. In electric power
companies, measurements are performed at multiple points in a single flue.
Boiler furnace outlet or
economizer outlet
All Rights Reserved. Copyright © 2004, Yokogawa Electric Corporation
Sample point
Electric Precipitator
Forced Draft Fan
Heavy Oil
Gas
System type
L2, L3
Power generation boiler
Reheater
Economizer
Air Preheater
4. Applications
Detector
Combustion monitoring
D1, (D2)
Temperature: 250 to 350°C
Pressure: –0.1 to –0.8 kPa
3
Dust: 1 g/Nm
Fuel: Heavy oil (crude), gas
High Pressure Steam
Medium Pressure Steam
Fuel Pump
TI 11M12A01-01E
4-2
Objective
O control
2
T0402.EPS
F0402.EPS
May 31,2004-00