Revised Application technology rotary furnace in the Glass & Minerals sector

Rotary furnace

Lowering emissions, increasing production with tailormade oxygen applications


Reasons for oxygen enhanced combustion are:


  • The nitrogen is eliminated from the combustion process
  • Exhaust gas volume reduced by 75%
  • Less heat loss through the exhaust system
  • Less batch loss by the lower exhaust velocity, less dust emission
  • Flue gas channel area can be reduced
  • Higher flame temperature
  • Better heat transfer by the 3 atom molecules taking place in the combustion
  • Better heat distribution
  • Higher pull rate and/or reduced fuel consumption
  • Oxyfuel combustion

In case of rotary furnace for both, the frit production and the color pigment production, the challenge is

  • to substitute the relatively large physical dimension of an air-fuel burner by an oxy-fuel burner, usually for giving the customers the possibility to switch back to air-fuel any time if they want, and/or
  • to substitute a water-cooled, oxy-fuel burner with self cooled burner which complies with the previous requirement.
  • define an optimum capacity of the burner
  • design a burner with optimum flame length on the above working point



  • Oxipyr Burners
  • Oxipyr - F
  • Oxipyr - P / P LON
  • Oxipyr - Burner Regulation
  • Oxipyr - Advanced regulation
  • Oxipyr - Basic+, Basic regulation
  • Oxipyr - 400 regulation

Oxyfuel hardware

Revised Customer process rotary furnace in the Glass & Minerals sector

Rotary furnace

Production of frit and pigment

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