2019 international sales meeting
TRANSCRIPT
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2019 International Sales Meeting
Process Burner Division
Eric Pratchard – General Manager
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Process Burners
Agenda
Organizational Chart
Burner Technology Advancements
▪ Free Jet G2
▪ Zenith
Existing Product Line
▪ Single Jet
▪ Radiant Wall
Test Facility
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Organizational Chart
Global Representation
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Process Burner Organization – Global
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Burner Technology Advancements
GLSF FREE-JET G2
Zeeco Zenith
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GLSF FREE-JET G2
The Second Generation
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GLSF FREE-JET G2
Customer Feedback
▪ Our fuel supply does have liquid carry over. Can you design tips with larger orifices?
▪ What happens if the primary tips plug?
▪ What percentage of primary tips can plug before we have to shut down?
▪ Why do you need so many secondary tips?
▪ Why can’t all secondary tips have the same drill size and angle?
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Generation 1 Design
Fuel Gas Manifold
(Guides Gas Through
Burner)
Burner Tile (Air Orifice)
Controls Air Flow
Burner Tips (Gas Orifice)
Controls Gas Flow
Damper Blades (Controls Excess Air)
ExMo Auxiliary Riser
Windbox (Guide Air Through Burner)
Muffler Noise
(Reduction)
Pilot
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How It Works
Products of Combustion
(Heat is Produced)
Fuel Gas
Combustion Air
Inert
Flue Gas
Fuel Gas
Auxiliary Gas
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Minimal Change – Major Impact
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Mechanical Impact
SizePrimary Tip Qty Secondary Tip Qty
Gen 1 Gen 2 Gen 1 Gen 2
6 2 2 22 11
8 2 3 26 13
9 2 3 28 14
10 2 3 30 15
12 2 4 34 17
13 2 4 38 16
14 2 4 42 21
15 3 4 46 23
16 3 5 48 24
18 4 5 54 27
Primary Orifice Φ
▪ Gen 1: .0625”
▪ Gen 2: .0937”
Secondary Orifice Φ
▪ Gen 1: .0937”
▪ Gen 2: 0.144”
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Proven Test Results
Fuel Component Test Pt.
1
Test
Pt. 2
Test
Pt. 3
Test
Pt. 4
Test
Pt. 5
Test
Pt. 6
Nat Gas, Vol % 100 100 50 50 40 40
H2, Vol % 25 25 40 40
Propane, Vol % 25 25 20 20
Secondary Tip
Design
Primary Tip
Design
Primary Tip
Count
NOx,
ppm
NOx,
ppm
NOx,
ppm
NOx,
ppm
NOx,
ppm
NOx,
ppm
Gen 1 Gen 1 2 10.4 10.9 12.0 12.7 12.2 12.8
Gen 1 Gen 2 2 10.4 10.0 11.6 10.2 12.3 12.3
Gen 2 Gen 2 2 8.8 8.0 11.9 13.8 13.4 13.9
Gen 2 Gen 2 3 9.8 9.8 14.0 15.9 16.5 16.5
Gen 2 Gen 2 4 13.4 15.6 16.7 17.0 18.6 20.0
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GLSF FREE-JET G2
100% Nat Gas – Design Heat Release
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GLSF FREE-JET G2
100% Nat Gas – 2:1 Turndown
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GLSF FREE-JET G2
50% NG / 25% C3 / 25% H2 – Design Heat Release
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Selling Points
New Heater Installations▪ Increased Primary Tip Count Improves Stability, Reliability & Safety ▪ Reduced Secondary Tip Quantity Lowers Maintenance Cost▪ Increased Tip Diameter Reduces Maintenance Interval▪ 3/32” Minimum Primary Firing Diameter
Retrofit Opportunities▪ Two Options
• Replace Existing Quantity of Primary Tips and Risers• Provide New Front Plate with Increased Primary Tip Count
▪ Replacement Secondary Tips and Risers▪ Plugs for Manifold Locations No Longer in Use▪ Revalidate Original Process Warranty for 12 Months
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Zeeco Zenith
Cold Furnace Emissions Compliance
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Customer Challenge
Satisfy emissions through the heater’s full operational range. CO and NOx
Allowances
▪ Forced draft system with no pressure limitation
▪ Contribute to instrument & control design
▪ Contribute to control narrative and operational philosophy
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Development Process
Zeeco Zenith
Combination Lean Pre-Mix / Free Jet
NOx ≤ 10 ppmvd @ 3% O2
CO ≤ 100 ppmvd @ 3% O2
GLSF Free Jet
NOx ≤ 10 ppmvd @ 3% O2
CO > 100 ppmvd @ 3% O2 below 1000°F
Lean Pre-Mix Burner
NOx > 10 ppmvd @ 3% O2 above 1000°F
CO < 100 ppmvd @ 3% O2
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3D Representation
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Flame Length
Side ViewIsometric View
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Velocity Magnitude & Vectors – Side View
Lean Pre-Mix
Stage
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Velocity Magnitude & Vectors – Side View
FREE-JET
Stage
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Lean Pre-mix Stage
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FREE-JET Stage
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Proven Test Results
Point 1 Point 2 Point 3 Point 4 Point 5
Natural Gas 100 100 100 100 100
LPM Heat Release (MMbtu/hr) 1.5 3.0 5.0 5.0 3.0
FJ Heat Release (MMbtu/hr) - - - 3.0 5.0
Furnace Temperature (°F) 887 1120 1278 1606 1626
Floor Temperature (°F) 600 795 932 1168 1192
Oxygen % 8.1 8.5 9.6 3.1 1.9
CO (ppmv) 63.7 4.4 17.5 0.0 0.0
NOx (ppmv) 6.4 4.9 5.5 6.7 8.4
CO (ppmv @ 3% O2) 89 6.4 27.6 0.0 0.0
NOx (ppmv @ 3% O2) 10 7.6 8.7 6.7 7.9
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Proven Test Results
0
2
4
6
8
10
12
1.5 3 4 5 6.5 8 10
NO
x @
3%
O2
MMbtu/hr
NOx vs. Heat Release
LPM FJ Stage
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Existing Product Line
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GB Single Jet
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GB Single Jet
Zeeco has taken a conventional single tip with a cone design
burner and enhanced the concept using the same, tip, cone
and tile, to achieve Low NOx emissions.
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Overall Design Concept
Burner Tile (Air Orifice)
Controls Air Flow
Burner Tips (Gas Orifice)
Controls Gas Flow
Pilot
Damper Blades (Controls Excess Air)
Muffler Noise
(Reduction)
Windbox (Guide Air Through Burner)
Tile Case and
Mounting Plate
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How It Works
Inert
Flue Gas
Combustion Air
Fuel Gas
Firing Ports
IFGR Zone
Combustion Air Zone
Staged Air Zone
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Design Summary
Round flame or Flat flame gas burner
design
NOx reduction method: Internal Flue Gas
Recirculation (IFGR), staged fuel, and
staged air. Combustion air induction:
natural, forced, induced and balanced
draft, or turbine exhaust
Mounting options: up-fired, side-fired and
down-fired
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Performance Summary
Ultra Low NOx Emissions:▪ NOx (Gas Fired) Range (Natural Draft): 20 to 49
ppmv
Heat Release Range:▪ Nat. Draft: 1 to 20 MM Btu/hr▪ F.D.: 1 to 20 MM Btu/hr Turndown: 10:1 or
greater for most cases
Design Excess Air Range:10% to 25% for most cases
Combustion Air Pressure Drop:▪ Natural Draft: 0.2” to 1” (5 to 25 mm) H2O▪ Forced Draft: 0.5” to 2” (12.7 to 51 mm) H2O
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Radiant Walls
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Radiant Wall
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How It Works
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Design Summary
Radiant wall, gas only burner design
NOx reduction method: lean pre-mixing of the gas and air.
Combustion air induction: natural draft or forced draft
Mounting options: horizontally-mounted
310 stainless steel cast gas tip
304 stainless steel venturi mixer
60% alumina tile assembly pre-fired
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Performance Summary
Ultra-Low NOx Emissions:▪ NOx Range (Natural Draft): 40 to 70 ppmv
Heat Release Range:▪ Nat. Draft: 0.25 to 1.4 MM Btu/hr
Turndown: 3:1 or greater for most cases
Design Excess Air Range: 10% for most cases
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Test Facility
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Test Facility Capabilities
17 test furnaces
Capable of firing:
▪ Down-fired
• Dual Burner Potential
▪ Up-fired
• Multi Burner Potential
▪ Horizontal-fired
▪ Multiple burners
• Dual Hearth Burners with Radiant Walls
Draft Options
▪ Natural
▪ Forced
▪ Balanced
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Test Facility Capabilities
Standard Fuel Components
▪ Natural Gas
▪ Hydrogen
▪ Propane
▪ #6 Oil
▪ Nitrogen
Customer Fuel Components
▪ Carbon Dioxide
▪ Butane
▪ Diesel
Firing Capacity
▪ 60 MM btu/hr continuous operation on Natural Gas
▪ Furnace capability up to 100 MM btu/hr
▪ Boiler capability up to 200 MM btu/hr
Pre-Heat Maximum: 500°F
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Test Facility Flyover
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