CCO 5500 Carbon Monoxide (CO) Analyzer0 pages

Product Data Sheet
PDS 106-5500.A01
August, 2010

Model CCO 5500 Carbon Monoxide (CO)
Analyzer
Emissions or Process Stack Gas
Measurement
•t Easy to operate control room electronics
tt Control room access to all analyzer tt
t functions
tt Programmable parameters for varying t
t boiler operating conditions
t t Measurements may be displayed as t
tt ppm, mg/m3, mg/Nm3 (normalized)
t t Four rolling averages from 10 seconds t
t to 30 days may be defined and interro-t
t gated
•t Control room diagnostic capability
tt Sophisticated diagnostic routines alert t
t operators to maintenance requirements
•t Optional calibration standard available
tt Assures reliable process information; t
t No calibration gas required
•t In Situ analysis
tt Representative across-duct measuret ment, free from stratification errors
tt Eliminates sampling system ttt
t maintenance
•t Rugged lithium tantalate pyro-electric
detector
tt Allows a highly sensitive and stable
t CO measurement
INTRODUCTION
The importance of controlling excess air levels in
various combustion processes has been recognized for
many years. Now, however, the high cost of fuel makes
it an economic necessity to reduce excess air levels to
minimize thermal stack losses. In addition to increasing
fuel costs, tightening environmental restrictions also can

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impact the optimization of the combustion process. The
reduction of NOx through minimizing available oxygen can
also lead to incomplete combustion. Efforts toward overall
combustion efficiency must be aimed at reducing total
energy loss.
This requires achieving minimum unburned combustibles,
as well as thermal stack losses. More precise control of
air/fuel ratio, optimized for minimum total energy loss, can
yield significant gains in efficiency and result in substantial
savings in reduced fuel consumption and improved
environmental performance.
Flue gas concentration of CO is a reliable and accurate
indication of burner flame stoichiometry and the
completeness of combustion. It is the most sensitive
indicator of unburned combustibles loss. Used as a
primary combustion efficiency parameter, in conjunction
with oxygen analysis, a CO measurement offers additional
advantages in controlling combustion at optimum levels
of excess air to a combustion control scheme using an
oxygen measurement only. Controlling air/fuel ratio to an
optimum level of CO assures minimum total energy loss
and maximum efficiency, independent of variations in
boiler load, fuel type and fuel quality. The measurement
is relatively unaffected by air in-leakage and burner
maintenance requirements are immediately identified.
Emerson Process Management’s reliable CO measurement, coupled with small, lightweight packaging and ease
of operation and maintenance, assures you of years of
trouble-free service from the Model CCO 5500 Carbon
Monoxide (CO) Analyzer.