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Steel Reheating

Steel Reheating

Designed to withstand the rigors of the steel mill environment – the silicon protective carbide sheath or alumina protective outer sheath is installed in the soak or high heat zones of a reheat furnace. The in-situ oxygen sensor measures the excess oxygen and allows the reheat furnace operator to observe and control the amount of air used in the combustion process. The UPC-Marathon Oxymit instrument transmits the oxygen and temperature signals (4-20mA) to any existing combustion optimization system.

 

Using this “in-situ” high temperature oxygen sensors to trim the air/fuel ratio can control the formation of scale during the billet/slab reheat process. Secondary benefits include:

  • Less furnace maintenance
  • Less forming line maintenance
  • Lower fuel costs
  • More consistent product
  • Reduced NOx emissions

 

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