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Process Burners2025-05-12T13:45:28+00:00

ClearSign Core™
Process Burner Technology

Finally, a disruptive technology for
new heaters and retrofit applications

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VIEW DATA SHEET

ClearSign Core™
Process Burner Technology

Finally, a disruptive technology for
new heaters and retrofit applications

REQUEST A QUOTE
VIEW DATA SHEET

Ultra Low NOx <5ppm

Cutting edge technology capable of meeting sub 5 ppm NOx guarantees in fielded applications.

No Flame Impingement and Increase Heater Duty

Due to the arrangement of the burner and its combustion surfaces, flame dimensions are significantly reduced. This, combined with the elimination of a conventional burner tile, allows the burner to increase fired capacity without the need to change existing cutouts in the furnace floor.

100% Hydrogen

Capable of achieving Ultra Low NOx in applications with 100% H2.

Low CO Emissions

Due to the burner technology’s reduced need for entraining flue gas within the furnace, CO emissions are greatly reduced over current generation burners in cold furnace environments.

Round or Flat Flame Configurations

The ClearSign Core™ burner technology arrangement is highly adaptable with the ability to shape the geometry of the flame and radiating surfaces to optimize heat flux for different furnace applications.

Natural Draft and Forced Draft Applications

The burner can be operated under natural draft or forced draft conditions.

Process Burner Industries

Refining

Petrochemical

Midstream Oil & Gas

Reforming

Successful Commercial Installations

We have successfully installed our process burner in a variety of heaters. Click the button below to find our installation list.

INSTALL LIST

Partnership

Zeeco and ClearSign Technologies Corporation are achieving industry-leading NOx emissions reductions with their co-branded line of process burners. With the ability to fire conventional refinery fuels and hydrogen, this line of burners achieves sub 5 ppm NOx emissions, meeting some of the world’s most stringent emissions regulations.

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CLEARSIGN REVIEWS DEVELOPMENTS TO

ClearSign Core™ Process Burner

A Case Study.

Watch as Dr. Jim Deller and Jeff Lewallen discuss how a combination of technology advancements and customer feedback result in ClearSign’s industry-leading process burner design and ground-breaking NOx reduction technology.

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FAQ

Q – Can I use ClearSign Core process burners in cabin and vertical cylindrical heaters?2023-04-12T15:11:00+00:00

ClearSign Core process burners are well suited to both heater configurations. Also, the ClearSign Core process burner can meet challenging applications whether it is short flame lengths or increasing capacity without opening the heater floor or refractory.

Q – Where can I see ClearSign Core™ burners in operation?2023-04-12T15:11:52+00:00

Please contact us and we can arrange a demonstration either in a test facility or at one of our customer locations.

Q – What modifications are typical to retrofit a heater with ClearSign Core burners2023-04-12T15:12:29+00:00

In most cases no modifications will be needed. ClearSign Core burners will fit directly into existing heater cutouts and connect directly to typical fuel gas piping.

Q – How do you light and start up the burners?2023-04-12T15:13:15+00:00

The burners are fitted with an industry standard pilot, typically with electric ignition, and light up just like a standard industry burner.

Q – Does ClearSign provide full services for a burner order?2023-04-12T15:14:34+00:00

Yes, full technical support is provided through the proposal process. We cover burner supply from start to finish, including testing and CFD modelling as required.

Q – Can ClearSign Core handle high hydrogen fuel gas?2023-04-12T15:15:26+00:00

Yes, our technology is developed to handle up to 100% hydrogen. We also control NOx emissions to avoid the NOx increase usually associated with adding hydrogen to the fuel gas blend.

Q – My heater has a floor fired heat intensity greater than 300,000 Btu/hr/ft2. Can ClearSign’s burner technology still meet low NOx emissions?2023-04-12T15:16:35+00:00

Absolutely. Unlike current ultra-low NOx burners, ClearSign’s technology does not achieve low NOx emissions solely on flue gas entrainment. Our burner generates extremely now NOx due to its well mixed fuel and air stream.

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