
Coen equipment is known worldwide for reliability, efficiency and environmental responsiveness. Since 1912, Coen Company has specialized in the design, manufacture, servicing, and maintenance of burner equipment and combustion systems. With over 15,000 installations worldwide, Coen™ burner equipment and combustion systems provide optimum performance, meeting the needs of the power industry, Heat Recovery Steam Generator (HRSG) utility boiler, industrial boiler, cogeneration, wood products, pyro-processing, solid fuel, refinery, oil recovery/steam flood, and petrochemical industries. By choosing Coen, you will have absolute confidence in your combustion system's components - achieving better performance, lower emissions and more powerful results.
FLAME SCANNERS
iScan2™
- • Superior safety features with an internal temperature-monitoring capability
- • Fastest communications available on the market at 128,800 kb/s
- • Remote communications and diagnostics
- • Double the digital inputs and relay outputs
BURNERS
CO-FYR™ BURNER
- • Eliminates opacity excursions
- • Reduces NOx, CO, SO2 and particulate
- • Avoids costly electrostatic precipitators
- • Reduces boiler excess air
- • Increases carbon burnout
- • Smokeless light-off
C-RMB™ CELL-RAPID MIX BURNER
- • Excellent burner turndown
- • Stabilized by high-swirl primary zone and refractory quarl
- • Simple, rugged design with no moving parts
- • Low installation, operating and maintenance costs
DELTA POWER BURNER
- • Efficient – high efficiency oil atomizer with quick disconnect socket
- • Automatic – retraction of oil atomizer available
- • Reliable – high capacity gas-electric igniter for light off and hot standby
- • Versatile – retrofit design minimizing boiler tube modifications
- • Durable – non-binding air isolation damper
- • Flexible – adjustable flame scanner mounts for optimum sighting
DELTA-NOx ULN BURNER
- • Ultra Low NOx performance
- • Refinery gas compatible
- • Ideal for single or multi-burner applications
- • High burner turndown
- • Low NOx capability with oil firing
- • Improved air distribution promotes low CO
- • Existing Delta-NOx units easily modified to ULN
DYNASWIRL-LN™BURNER
- • Up to 50% NOx reduction over conventional burners; and up to 90% reduction when combined with FGR or over-fire air (OFA)
- • Operable with excess O2 levels of 0.5% or less
- • Extremely stable combustion minimizes boiler vibration
- • Stable flames with FGR rates as high as 45%
- • High turndowns of 8:1 on oil and up to 20:1 on gas
- • Low CO, particulate and opacity emissions
- • Reduced downtime, maintenance, fuel and operating costs
COEN QLN BURNERS
- • Low NOx and low CO
- • Meets all State and Federal air quality standards
- • Lower operating cost
- • FGR usually not required
- • Lower installation cost
- • No stack losses due to FGR
RMB™ RAPID MIX BURNER
- Easy installation and start-up
- • A compact & short flame prevents impingement
- • No moving parts increases reliability and reduces maintenance
- • Streamlined air quality permitting tasks
- • Opportunities for emission-reduction credits.
- • Heat inputs to 300 MMBtu/hr
VARIFLAME BURNER
Package Boiler Applications with Burner Heat Inputs up to 150 MMBtu/hr.
- • Venturi Register: turbulence-free axial airflow, venture shape minimizes pressure loss through the burner and maximizes velocity.
- • Swirler: a proven component for providing the rotational vortex necessary for stable flames and thorough mixing, ensuring reliable operation regardless of firing rate.
- • Superior flame stability over existing zero-FGR designs
- • Shorter flame length than burner with FGR
- • Eliminates external FGR ductwork
- • Sub-30 ppm NOx on natural gas – without FGR or steam injection
DUCT BURNER
- • A low-emission, modular solution for cogeneration systems
- • Compact, uniform flame for maximum fuel cost-savings
- • Higher steam production at lower, more uniform temperatures
- • Install on new or retrofit applications
- • Exceptional refinery and alternate fuel firing
- • Insulated runner options
- • Efficient gas or oil-fired duct burners
IGNITERS
HIGH ENERGY ELECTRIC IGNITION (HEEI) SYSTEM
- • Available as a stand-alone Class III Special igniter assembly for direct ignition of liquid and gaseous fuels
- • Uses low voltage DC to high voltage DC conversion for efficient and reliable operation
- • Utilizes a capacitive discharge design to provide a 12 joule per spark output
- • Delivers ten sparks per second, controlled by a patented timing circuit, which maintains a constant spark rate over the rated voltage range
FYR-BALL™ IGNITER SYSTEMS
- • Can be applied as either single gun or dual gun systems
- • Improved reliability of the flame detection and spark equipment, reduced opacity, and elimination of unburned fuel carryover into the backpass of the furnace, air heater, ESP or baghouse.
- • Can be designed to use natural gas as the ignition fuel.
FYR-BOLT™ IGNITER SYSTEMS
- • Suitable for gas-, oil-, and coal-fired utility burners
- • Capacity range: 1 to 30 mmBTU/hr
- • NFPA Class 1, 2 or 3 operation
- • No augmenting or cooling air required
- • Non-retractable, low maintenance
- • High-energy spark system:
- • 12 Joule per spark, 10 sparks per second
FYR-STORM™ IGNITER SYSTEMS
- • Wide turndown ratio
- • Direct electric spark ignition of heavy oil without intermediate fuel
- • Minimal cooling air when out of service
- • Entire igniter is removable from burner deck
- • Oil gun and spark rod are easily removed for inspection
- • Modular construction for ease of handling & maintenance
- • Bearings with graphite packing eliminate binding
- • Available with flame gate or aspirating air
HIGH STABILITY DUCT BURNER IGNITER (HSI)
- • Reliable light-off
- • Rugged cast design with stainless steel head
- • Stable combustion enhanced with fresh air direct mix design
- • Proven integrity in adverse, contaminant-rich environments
- • Electrodes easily replaced without removing the igniter
- • Easily retrofitted with new mounting plate
- • Durable spark electrode
BURNER MANAGEMENT SYSTEM
FYR-LOGIX™ BURNER MANAGEMENT SYSTEM
- • Various firing scenarios such as simultaneous and low fire changeover of fuels
- • Available low cost communications via RS-232, RS-442, RS-485, Device Net, Ethernet, or Modbus RTU
- • Enhanced system reliability when utilizing dual flame scanners
- • Available in NEMA 4, NEMA 4X or other construction

