Transcript
Data 115-11 11/12/2008
Eclipse RatioAir Burners Model RA2000 Version 1 Parameter
Specifications
Maximum Input, BTU/hr (kW) at Neutral Chamber Conditions (Natural Gas)
20,400,000 (5970)
Minimum Input, BTU/hr (kW)
350,000 (100)
Lower inputs may be achieved, contact factory.
Main Gas Inlet Pressure, "w.c. (mbar)
30 to 60 (75 to 150)
Fuel pressure at Ratio Regulator Inlet.
High Fire Flame Length, Inches (mm)
160 (4000)
Measured from the Outlet End of the Combustor.
Maximum Flame Velocity, Ft/s (m/s)
375 (114)
Approximately 15% excess air at maximum input.
Maximum Chamber Temperature °F, °C
Alloy Tube
1750 (950)
Block & Holder
2200 (1200)
Flame Detection
UV scanner only
Fuel
Natural Gas
For other fuels, contact Eclipse.
• All information is based on laboratory testing in neutral (0.0" w.c.) chamber with standard combustor design. Different chamber conditions will affect the data. • Maximum inputs are given for the standard combustion air blower without an air filter. • All inputs based upon gross calorific values and standard conditions: 1 atmosphere, 70°F (21°C). • Blower motor service factors greater than 1.0 may be required when firing into negative chamber pressure applications. For specific application questions, contact Eclipse. • Eclipse reserves the right to change the construction and/or configuration of our products at any time without being obliged to adjust earlier supplies accordingly.
Control & Operation Zone
% Excess Air
1000
100
10
0
5000
10000
15000
20000
4500
6000
Input (x 1000 BTU/hr) 0
1500
3000
Input (kW)
Medium Velocity Tube Blower Model 60 Hz, 8D (20" w.c. @ 250,000 scfh, 30hp) Specifications 60 Hz Packaged Blower Parameter
"w.c.
mbar
BTU/hr
kW
-2.0
-5,0
21,475,000
6288
-1.0
-2,5
20,950,000
6134
0.0
0,0
20,400,000
5973
1.0
2,5
19,840,000
5809
2.0
5,0
19,250,000
5637
Maximum Input vs. Chamber Pressure (Natural Gas)
NOX Emission Data
120
NOX emission data is given for: • Ambient Combustion Air ~70°F (20°C) • Less than 1000°F (538°C) firing chamber • Minimal Process Air Velocity • ppm Volume Dry at 3% O2 • Neutral Chamber Pressure
100
NOX ppm
80 40
CO emission is largely influenced by chamber conditions. Contact Eclipse for an estimate of CO emissions on your application.
20
Emissions are influenced by: • Chamber Conditions • Fuel Type • Firing Rate • Ratio Regulator Adjustment • Combustion Air Temperature
60 Natural Gas 0
30
0
5000
0
1500
12.0
10000
15000
20000
3000
4500
6000
Input ( x 1000 BTU/hr) Input (kW)
Air ∆P vs. Air Flow (Measured Between Tap C & Chamber While Firing)
Fuel Orifice ∆P vs. Input ∆P Measured Between Taps B & D
50
20
37
15
Natural Gas (58 mm orifice)
10
2
6.0
4.0
5
2.0
0
0
0
5000
10000
15000
20000
0
1500
3000
4500
6000
Input (x 1000 BTU/hr) Input (kW)
25
Air ∆P ("w.c.)
15
8.0
Air ∆P (mbar)
20
10.0
Fuel Orifice ∆P ("w.c.)
Fuel Orifice ∆P (mbar)
25
M ax A ir ∆P firing into neutral chamber 18.5 "w.c. (46.3 mbar)
10
13
5
0
0 0
50000
100000
150000
200000
250000
0
1600
3200
6400
8000
10000
Air Flow (scfh)
Air Flow (Nm /hr) 3
Eclipse Model RA2000, v1, Data 115-11, 11/12/2008
Dimensions Inches (mm) 22.9 (581)
26.3 (668) “A”
“D” Filter Only 43.7 (1110)
9.44 (240)
“B” Blower Scroll Only 39.5 (1004)
12.75 (324) to Actuator Shaft C L
Tap “C” UV Scanner Location
3" N.P.T. or B.S.P. Gas Inlet
1/2" B.S.P. Pilot Option
Gas Inlet C L
Tap “B” Tap “D” 29.3 (745)
20.5 (512)
“C” Blower Scroll Only 41.3 (1049) “E” Filter Only 40.4 (1026)
Combustor
Exhaust Outlet Diameter: 300mm (11.8") .375 (9.5) 8x .47 (12)
22 (560)
16.1 (410)
Alloy Tube (AISI 310) Max. Chamber Temp : 1,750°F (950°C)
20.7 (527) 21.4 (544)
Eclipse Model RA2000, v1, Data 115-11, 11/12/2008
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