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  • Oxyfuel solution for ladle preheating
OXYGON used in a vessel preheating processes ensures a consistent ladle temperature. This technology offers a highly efficient flameless oxyfuel combustion.

Maximize efficiency in ladle preheating with OXYGON®

Our OXYGON® technology moves beyond conventional burner designs to harness highly efficient flameless oxyfuel combustion for significant energy savings.

The principle of flameless oxyfuel

  • During combustion, flue gases are mixed into the combustion reaction zone to dilute the reactants. This distributes the combustion process, delays the release of heat and lowers the peak flame temperatures – all of which reduce NOx emissions without compromising efficiency.
  • Mixing flue gases into the flame also disperses energy throughout the entire vessel, ensuring faster, more uniform heating. The dispersed flame contains the same amount of energy but distributes it much more effectively throughout the vessel.

Our OXYGON® preheating system is available in two versions for different vessel sizes and different levels of flexibility. Safety is a top priority at Linde, so we make sure that all of our products and solutions comply with the relevant safety standards.

OXYGON® 400 for vessels with capacities from 1 to 20 tonnes

Who is it for?

OXYGON® 400 is an oxyfuel system with a nominal power of 400 kW. It is ideal for customers looking for a simple, efficient method of preheating typical foundry vessels with capacities from 1 to 20 tonnes.

How does it work?

An OXYGON® 400 plug & play system is mounted on the vessel lid. Thee accompanying control system automatically controls the ladle temperature by using ON/OFF control of the semi-flameless combustion process. When the full power is off during a heating operation, the pilot burner is burning, ensuring the operational safety.

Benefits of OXYGON® 400 ladle preheating

  • Predictable, consistent ladle temperature
  • Maximum refractory lifetime through controlled combustion
  • Greater energy efficiency and lower emissions 
  • Reduced number of ladles in operation
Features
  • Integrated burner pilot and UV cell
  • Leak testing to ensure safety at all times
  • Simpler, more compact and lighter installation than air/fuel systems with recuperative/regenerative technologies
  • Flowtrains for fuel and oxygen
  • Semi-flameless combustion
  • Compliance with local safety standards
  • Programmable heating curves for drying and reheating
  • ON/OFF modes


Download the OXYGON® 400 datasheet


Download the OXYGON® brochure


OXYGON® XL for vessels with capacities from 30 to 150 tonnes


Who is it for?

OXYGON® XL is based on the same technology as OXYGON® 400, but comes with a more advanced control system as well as a 1.5 MW burner suitable for vessels with capacities from 30 to 150 tonnes.

How does it work?

An OXYGON® XL plug & play system is mounted on the vessel lid and the accompanying control system automatically controls the combustion processes, seamlessly switching between semi-flameless and completely flameless combustion modes when the temperature rises well above the self-ignition point of the fuels (in accordance with legislation).

Benefits of OXYGON® XL ladle preheating

  • Predictable, consistent ladle temperature
  • Maximum refractory lifetime through controlled combustion
  • Greater energy efficiency and lower emissions
  • Reduced number of ladles in operation
  • Increased ladle lining lifetime has also been documented
Features
  • Integrated burner pilot and UV cell
  • Leak testing to ensure safety at all times
  • Simpler, more compact and lighter installation than air/fuel systems with recuperative/regenerative technologies
  • Flowtrains for fuel and oxygen
  • Compliance with local safety standards 

Additional features

  • Seamless switching between semi-flameless and flameless combustion
  • Variable combustion ratio for modern refractory materials
  • Continuous power and ratio control
  • Programmable heating curves for drying and reheating
  • App for remote monitoring and scheduling (for iPhones, iPads and other mobile devices)
  • Integration of advanced burner control system into existing process landscape

We can tailor our systems to individual customer needs – supporting, for example, higher-power designs or the use of alternative fuels.


Download the OXYGON® brochure


Find out how Scana maximised efficiency in ladle preheating

Customer: Scana Steel AB is based in Björneborg, Sweden. The company is a steel producer and solution provider, serving global industries such as power, oil and gas, shipping and manufacturing. Scana is one of the few players in the field with integrated production facilities that include steel melting, heat treatment, forging and steel component machining. It specialises in shafts, rotors, risers and joints, as well as forged steel for tool manufacturers.

Challenge: At its facilities, Scana Steel uses an electric arc furnace (EAF) to melt scrap. To follow the melt cycle, one ladle must be operational at all times. For the ladle to be functional, it needs to be dried and preheated to avoid refractory wear and temperature losses. Scana used air/fuel burners to do this. However, these burners were inefficient, requiring around 50 hours to reach the target temperature of 1000°C. In addition to poor thermal efficiency, the air/fuel burners were highly unreliable and often resulted in unplanned downtime. These old burners required continuous maintenance and gave rise to multiple safety issues. Scana was keen to overcome these drawbacks.


“The OXYGON® XL flameless oxyfuel solution from Linde makes our work much easier and safer. But it also gives us much greater process control, allowing us to speed up heating times by more than 50%, while cutting costs and improving our environmental performance.”

Peter Harnesk, Production Manager of Scana Steel AB


Find out how Linde could solve these challenges at Scana

Download the reference case


Find out how Linde helped the customer Siam Yamato Steel in Thailand

Download the reference case


Are you interested in more information about OXYGON®?

Contact our experts

 

Most frequently asked questions concerning OXYGON®
What sets Linde’s OXYGON® solution apart from others burners for ladle pre-heating?
With OXYGON ®, you will have improved temperature uniformity throughout the whole vessel and will thus increase the lifetime of your refractory relative to conventional oxyfuel and air/fuel systems. You will also have more rapid heating and a controlled atmosphere, which also contribute to longer lifetimes.
Why should I choose Linde’s OXYGON® instead of an air/fuel system?
To ensure complete pre-heating of your vessel, and to reduce CO 2 and NOx emissions
Any questions?

Contact

Downloads
OXYGON® brochure(PDF 725.0 KB) OXYGON® 400 datasheet(PDF 572.0 KB) OXYGON® XL Scana reference case(PDF 828.0 KB) OXYGON® XL SYS reference case(PDF 787.0 KB)
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