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 Vapor Burner Booster System
The RANE Vapor Burner Booster System is used to stabilize and extend the
capacity of a competitors undersized Vapor Burner. This system can be installed
on almost any current burner system installed today. This system utilizes an Equalizer and a Vapor Blower system. The
Equalizer insures burnable fuel concentrations and the vapor blower produces enough flow
on start-up that the burner will lite. Further, enough vapor blower flow is maintained to
the burner to insure a stable flame. The Equalizer will stabilizes the
vapor concentration going to the burner and average the rack vapor
concentration over time. The Equalizer eliminates the high flow, high concentration scenario
which occurs during periods of high rack flow of gasoline to truck returning
with
gasoline vapor from the service stations.
R.A. Nichols Engineering has used this solution
to increase the capacity of installed burners. We also have used this to ensure
burners, manufactured by others, can always meet 35mg/l. In addition, with the
use of a Vapor Holder, the need for assist gas to meet 10mg/l is eliminated.
Using this
technology several standard burners have qualified for fuel gas exemptions in
the South Coast AQMD.
We
also can use this system to reduce the overall inlet vapor concentration, in
this instance, the Equalizer reduces by one-half the Btu coming to the Burner.
R.A. Nichols Engineering does a system operation and flow analysis to design a
solution. A variable speed blower is sized to offset the burner pressure drop at full flow
conditions. The burner operation is not modified. Similarly, a Blower system failure does
not effect the burner or equalizer operation, the rack can still load, but at reduced flow
rates. Typically when a truck pulls into the rack and hooks up its Scully, the Burner
establishes a Pilot and opens the main burner valve. The burner then sends a permissive
signal to the rack that allows truck refueling. When rack return vapor indicates a truck
is fueling and the burner is confirmed operational, the vapor blower is energized. The
vapor blower capacity is increased until the rack return flow is matched or a minimum
burner flow is reached. This minimum vapor flow is discontinued when the truck rack vapor
flow is discontinued.
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