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Iron melting by supersonic oxygen injection into shaft furnaces for the metal industry

January 2019
Gallery Nexelia 1
Gallery Nexelia 1


A digital energy and resources saving optimisation tool for iron melting by supersonic oxygen injection into shaft furnaces.

The Nexelia for metal melting solution is dedicated to the metals industry and especially foundries, where so called shaft furnaces are used to melt metallic scraps together with coke to produce cast iron. Shaft furnaces are often using oxygen injection to enhance the melting performances and increase capacity. BoostAL Digital technology consists of an oxygen injection system coupled with an advanced control system to operate shaft furnaces more efficiently. Especially by increasing operating flexibility of the furnace, improving temperature homogeneity inside the furnace and finally by reducing maintenance/control operations linked to oxygen lances.

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Label Date January 31, 2019
From France
Maturity stage Small scale commercialization
Looking For Interested foundries

The environmental benefits

  • Savings of 1000t CO2/year for a typical foundry production.
  • Yearly energy savings of 5600 MW.

The Financial benefits

  • Reduction of requested maintenance in hot work area.
  • Higher flexibility in production will reduce shut downs and losses.

Activity Region

  • /
  • Headquarters
  • Activity

Company Profile

Air Liquide

A world leader in gases, technologies and services for Industry and Health.

View company profile
Headquarters 75007 Paris, France
Contact the Solution Provider Add to Favorites

The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Air Liquide has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.