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Single Ended Recuperative Burner (SER). Tube Fired Burner Higher Efficiency than TFB Burner and recuperator in one product Internal Flue Gas Recirculation Lower NO x Emissions. Product Features. Mature product SER v.1,2 vs. SER v.3 - PowerPoint PPT Presentation
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SER v.3 Sales Presentation
Single Ended Recuperative Burner(SER)
SER v.3 Sales Presentation
Product Features
Tube Fired BurnerHigher Efficiency than TFB
– Burner and recuperator in one product
Internal Flue Gas Recirculation– Lower NOx Emissions
SER v.3 Sales Presentation
Product History
Mature productSER v.1,2 vs. SER v.3
– Single inner tube vs. velocity combustor and ceramic inner tube sections
– v.3 includes air and gas orifices, TJ nozzle and Flame-rod option
SER v.3 Sales Presentation
Design Features
SER v.3 Sales Presentation
Re-circulating Design Benefits
NOx cut at least in Half
CO generally low Improved Temperature UniformityNo diminished efficiency for
additional Benefits
SER v.3 Sales Presentation
Product Options
3 models – 450, 600, 750 – Models based on outer tube diameter
2 Burner Lengths – 350 mm and 500 mmNatural gas, Propane, Butane
– Same nozzle for all fuels– Fuel orifice size changes
Metallic or Ceramic Outer TubeFlame-safety options
– UV, Flamerod, None
SER v.3 Sales Presentation
SER v.3 Sales Presentation
High Temperature Ranges
Metallic – 1000oC (1850oF)Hybrid Alloys – 1150oC (2100oF)Silicon Carbides – 1300oC (2400oF)
SER v.3 Sales Presentation
High Temperature Metallic Strengths
Cost (2/3 the cost of most Ceramics)
Workability for Fabrication Durability in HandlingRepairable in Most CasesEstablished and Available
SER v.3 Sales Presentation
High Temperature MetallicWeaknesses
Temperature LimitedReactive to Some Corrosive
Environments Gradually Diminishing Strength
SER v.3 Sales Presentation
CeramicsStrengths
20% Gain in Temperature RatingNot Reactive to Most Corrosive
Environments Limited Diminished Strength over TimeCosts gradually Dropping Into Practical
RangesNew Manufacturing Techniques Boost
Availability and Shape Design
SER v.3 Sales Presentation
CeramicWeaknesses
Cost PremiumFragilitySpecial Sealing ConsiderationsGenerally Not Repairable Lead Time
SER v.3 Sales Presentation
Metallic TubesProcess
Temp. oC (oF)
*Dissipation (Flux) RatekW/m2 (BTU/hr/in2)
850 (1560) 32 (77)
900 (1650) 31 (68)
950 (1750) 27 (60)
1000 (1830) 23 (50)
1050 (1920) 18 (40)
*Dissipation rate is based on theoretical calculation considering no special environment.
SER v.3 Sales Presentation
Silicon Carbide TubesProcess
Temp. oC (oF)
*Dissipation (Flux) RatekW/m2 (BTU/hr/in2)
1000 (1832) 77 (170)
1050 (1922) 68 (150)
1100 (2012) 57 (125)
1150 (2102) 45 (100)
1200 (2192) 32 (70)
*Dissipation rate is based on theoretical calculation considering no special environment.
SER v.3 Sales Presentation
SER v.3 Sales Presentation
SER v.3 Sales Presentation
SER v.3 Sales Presentation
SER v.3 Sales Presentation
SER v.3 Sales Presentation
Target Customers
OEM’sElectric to gas conversionsHeat treat co. / captive heat-treatSteel millsTin bathsEtc.
SER v.3 Sales Presentation
SER v.3 Sales Presentation
SER burner sizing exampleAcme Steel Co.
Atmosphere Furnace with Vertical Tubes (free to radiate)
Chamber temp 925oC (1700oF), Natural GasTotal heat required determined by heat
balance 147 kW (500,000 BTU/hr)Room for six 150mm (6”) tubesHot Face to Hot Face Height 1650mm (65”)300mm (12”) Wall Thickness
