Honeywell Fuel/Air Ratio Control System

1
Honeywell Fuel/Air RatioControl System

• Electronic Linkageless
• Combustion Control

2
Lets imagine a combustion curve with mechanical
linkages
Lets imagine a combustion curve
More firing rate segments can be added to improve
the curve
The minimum modulation point can be lowered
All this amounts to
What would a curve without mechanical linkages
but with high precision motors look like?
Fuel
L m 4 ma
m 4 ma
L
M 20 ma
M 20 ma
Air

• Savings

• Improvements in boiler emissions

• Increased energy transfer

• Improved efficiency

3
What happens over time?
Fuel
Air
4
Four key factors involved

• Honeywell -provides control expertise and support
  to the other three entities.
• Distributor -provides sales force and potential
  customer market search.
• Integrator -provides boiler technical expertise
  and implementation.
• End User -provides the necessary information.

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www.honeywell.com