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Bogie Hearth Furnace

Bogie Hearth Furnace also known as Car bottom furnace is used for Annealing, Normalizing, Hardening, Stress Relieving, Solution Annealing, Tempering, etc. of various grades of Steels in the form of forgings, castings, fabricated components etc. The photograph shows 15-ton capacity Double-ended Bogie Hearth Furnace. In order to save energy and time two bogies are provided, one of them is inside the furnace while other one gets unloaded and loaded for next cycle This is with duel fuel i.e. LPG / HSD Firing System with PLC and SCADA control. The Bogie and door movement is electro-mechanical.

We can build Bogie Hearth Furnace for any charge weights. Operating temperatures may vary from low temperature application with gas circulation to temperature above 1200°C. Furnace can be offered with single bogie or double bogie, with motorised rack and pinion drive system, motorised or pneumatic door operation, effective sealing arrangement etc. The heating could be gas or liquid fuel fired including high velocity burners and also electrically heated. We can also offer radiant tube fuel firing for special applications [ as in case of heat treating aluminium products] and charging machines for handling bogies. We offer oil fired bogie hearth type tempering furnaces for the tempering of hardened alloy steel bars, coils and castings.

Salient features

  • Mechanized bogie drive
  • Excellent temperature uniformity by re-circulating hot combustion products, by use of high velocity burners.
  • In case of lower temperature, recirculation is effected by circulating fans aided by guide baffles Very close temperature control by P.I.D controllers
  • Superior type insulation suitable for the hot gas circulation
  • Separate combustion section to avoid direct heating by radiation
  • Very uniform properties of heat-treated parts
  • Ideal for long sections, coils and castings
  • Counter weighted and motorized guillotine type lift and lower doors with door seals and arrangement for pressing the door against seal or alternative Lift and swing type doors to eliminate hot air leakage
  • Sturdy bogie design to take care of the charge weight
  • Energy sources
  • Electrical
  • Oil fired
  • Gas fired
  • Heat treatment processes performed
  • Normalising
  • Annealing
  • Stress relieving
  • Solution annealing
  • Tempering
  • Application industry
  • Auto components / Forgings
  • Castings
  • Fabricated components
  • Steel mill
  • Cable industry

  • Bogie hearth Furnace
    Bogie hearth furnace