YOKOGAWA ZR22G Technical Information

All Rights Reserved. Copyright © 2004, Yokogawa Electric Corporation TI 11M12A01-01E
4-1
4. Applications<Toc> <Ind>
May 31,2004-00
4. Applications
This section takes up typical application examples for the zirconia oxygen analyzer. These
individual applications are structured as follows.
Application examples: Overview of individual devices, and sample points.
Sample gas condition examples: Examples of sample gas conditions, and block diagrams and
type numbers for zirconia oxygen analyzer systems to be used
under those conditions.
4.1 Boiler
a) Package boiler
This is the most common application. Although the system is generally used for combustion
monitoring, there are also cases in which it will be used for VVVF or other such combustion
control schemes.
Sample point System type
T0401.EPS
ObjectiveDetector
Boiler furnace outlet or
economizer outlet
L1, (L2) D1, (D2) Combustion monitoring
Package boiler
Gas temperature: 150 to 300°C
Gas pressure: ⫾0.5 kPa
Dust: ⬉1 g/Nm
3
Fuel: Fuel oil, kerosene, or gas
Soot Blow Nozzle
Viewport
F0401.EPS
Gas Flow
Combustion
Chamber
Flame
Top View
Front View
Side View
Burner
Burner
Blower
Steam Drum
Water
Drum
Main Tubes
Wall Tubes

YOKOGAWA ZR22G Specifications

General

Brand	YOKOGAWA
Model	ZR22G
Category	Measuring Instruments
Language	English