YOKOGAWA EXAxt ZR22G User Manual

<4. Applications>
4-2
TI 11M12A01-01EAll Right Reserved Copyright © 2004, Yokogawa Electric Corporation
Mar. 14, 2017-00
(2) Powergenerationboiler(Heavyoil,Gas)
This is a large-scale facility in which use for combustion control is more common than for
combustion 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ue.
Sample point System type Detector Objective
Boiler furnace outlet or
economizer outlet
L2, L3 D1, (D2)
Combustion monitoring
O
2
control
F0402.ai
Heavy Oil
Gas
Forced Draft Fan
Air Preheater
Electric Precipitator
Fuel Pump
Feedwater
Economizer
Reheater
Water drum
Steam drum
To water drum
Steam
To turbine
Power generation boiler
Gas temperature: 250 to 350°C
Gas pressure: –0.1 to –0.8 kPa
Dust: ≦1 g/Nm
3
Fuel: Heavy oil (crude), gas

YOKOGAWA EXAxt ZR22G Specifications

General

Brand	YOKOGAWA
Model	EXAxt ZR22G
Category	Measuring Instruments
Language	English