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Step 1:
Burner Option
Selection
Eclipse Winnox WX Series v1 Design Guide No. 111, 9/25/2008
Step 1 describes how to select burner options to suit an
application. Use the Winnox Price List and Datasheets No. 111
when following this selection process.
Caution:
Consult EFE-825 Eclipse Engineering Guide, or contact
Eclipse if you have special conditions or questions.
Burner Model / Size Selection
Consider the following when selecting the burner size:
•
Heat Input:
Calculate the required heat input to achieve
the required heat balance. The burner air supply option
selected will affect available heat output from the burner.
•
Power Supply Frequency:
power supply frequency (50Hz or 60 Hz power).
•
Combustion Chamber Pressure:
that large or varying chamber pressures have on burner
performance.
•
Altitude:
The maximum burner capacity is reduced by
approximately 3% each 1000 feet (300 meters) above sea
level.
•
Combustion Air Supply:
(20.9% O
) and clean (without particles or corrosives).
2
•
Combustion Air Temperature:
temperature can affect the burner capacity. The
combustion air supply temperature should not exceed
250°F.
•
Fuel Type:
Variation in calorific value and density will
affect burner performance. Nominal burner performance is
based on fuel properties in Table 3.1.
Table 3.1 Fuel Type
Fuel
Symbol
Natural Gas CH
90%+
1000 BTU/ft
4
Propane
C
H
2525 BTU/ft
3
8
Butane
C
H
3330 BTU/ft
4
10
BTU/ft
@ standard conditions (MJ/m
3
If using and alternative fuel supply, contact Eclipse with an accurate
breakdown of the fuel components.
Air Supply
Select either a combustion air blower mounted directly to the burner
body, or a pipe connection type for remote blower operation. For
each selection, the burner will include an integral air butterfly valve
(BV).
Burner capacity will vary with
Consider the effects
Combustion air should be fresh
Changes in air supply
Gross Heating Value
Specific Gravity
(40.1 MJ/m
)
3
3
(101.2 MJ/m
)
3
3
(133.7 MJ/m
)
3
3
@ normal conditions)
3
0.60
1.55
2.09
9
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