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BOX FURNACES

For intermittent or batch processes where the product is loaded directly into the furnace by means of front loading, or with the help of a forklift/handling gear.

Industrial box furnaces in custom designs and dimensions to meet customer production and process requirements

Box-type batch furnaces feature single or multiple door systems. These doors can operate by the vertical lift or swing-out method.

The process of lifting or opening the door can be by several means: pneumatic, hydraulic, or with a gearmotor. We can also design manually operated doors.

The manufacture of box furnaces at Nutec Bickley provides a line of heavy duty forging furnaces, with capacities ranging from 30ft³ (0.85m³) to more than 3,500ft³ (100m³).

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Advantages offered by industrial box furnaces

  • Temperatures up to 2,460°F (1,350°C).
  • Designed to comply with AMS 2750E, with a temperature tolerance capacity of up to Class 1 if necessary.
  • Pulse firing combustion systems.

 

  • Available in tight seal designs that allow excellent pressure control to optimize the use of regenerative burners.
  • Heavy-duty stable steel frame and refractory construction.
  • Advanced heat recovery system that saves 10% to 70% energy compared to a cold air system.

 

Industries or processes where box furnaces are used

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Great temperature uniformity, performance and quality are some of the characteristics that make us the best designers and manufacturers of furnaces and ovens available in the market.

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Box Furnaces

BOX FURNACES

Nutec Bickley Box furnaces fabrication provides a heavy duty Forge box furnaces line, from 30 ft3 to over 3,500 ft3, in custom designs with the following features:

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  • Temperatures up to 2460 F (1350 C).
  • Fiber lined sections using the patented “jointless system” with special design to compensate the fiber shrinkage reducing the maintenance considerably.
  • Design to comply with AMS 2750E, with temperature tolerance capacity up to class 1 if necessary.
  • Pulse firing combustion systems.
  • Tight seal designs are available allowing excellent pressure control to optimize the use of regenerative burners.
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  • Heavy duty stable steel frame and refractory construction.
  • Most advanced heat recovery system saving FROM 10 to 70% energy vs cold air system.
Heat Treating Box Furnaces

HEAT TREATING BOX FURNACES

Nutec Bickley provides heavy duty box furnaces for heat treatment processes (Austenitizing, tempering, Normalizing, Annealing and others), for steel forgings and castings. Furnaces are designed in custom designs and dimensions for temperatures up to 2100 F (1150 C) with the following features

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  • Design to comply with AMS 2750E, with temperature tolerance capacity up to class 1 if necessary.
  • Flexible designs in one unit to comply with Temperature uniformity surveys (TUS) from 200 F to 2400 F.
  • Pulse firing combustion systems.
  • Fiber lined sections using the patented “jointless system” with special design to compensate the fiber shrinkage reducing the maintenance considerably.
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  • Most advanced heat recovery systems with recuperative burners performing fuel savings from 10% up to 50% vs cold air system.
High Convection Box Ovens

HEAT TREATING BOX FURNACES

Nutec Bickley provides Heavy Duty Box Ovens line in custom designs for the following process applications up to 1200°F.

Aging of aluminum parts, Tempering of steel parts, Stress relieving of steel parts, Curing, Drying and Preheating.

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  • Design to comply with AMS 2750E, with temperature tolerance capacity up to class 1 if necessary.
  • Gas fired, indirect gas fired and electric heating systems are available.
  • Recirculating ventilation systems designed to provide large volume and high velocity air flow through the work zone to insure uniformity and efficient heat transfer to the load.
  • Customized air distribution designs in order to match the air flow pattern requirements according with product /load arrangement.
  • Energy efficient and low maintenance insulation systems with ceramic fiber modules and telescopic panels depending of the application.
  • Different door designs configurations depending of product, facility and layout requirements.
Controlled & Blast Cooling Box Units

CONTROLLED & BLAST COOLING BOX UNITS

Nutec Bickley provides cooling box units in custom designs and sizes to perform some of the following process applications:

Controlled cooling of forgings and castings, Air quench chambers and Blast cool chambers after heat treating.

  • Controlled Air handling system with air inlets and outlets in order match desired cooling profiles during transformation.
  • Option of using auxiliary on/off heating systems to control cooling rate depending of process requirements.
  • Insulation system designed according to inside temperature and cooling requirements.
  • Customized air blast cooling chambers for air quenching and for safe parts handling after heat treatment.
Box Preheaters

BOX PREHEATERS

Nutec Bickley provides a box units in custom designs and sizes to perform some of the following process applications:

Preheat tools for hot assembly, dies of presses in the forging plants, Preheat the load before heating for forging or heat treating, Aluminum sows,  tee´s, ingot preheating before melting, Steels mold preheating for hot coating and Steel mold preheating for aluminum foundries.

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  • Non burner required.
  • Use of external energy source using hot gases from existing forge or aluminum melting furnaces.
  • Customized air distribution designs in order to match the air flow pattern requirements according with product /load arrangement.
  • Control system capability to maintain stable operation from the energy supply furnace so it can be used according to normal parameters.
  • Increasing of the energy usage from Forge Furnaces either to pre-heat load, or molds.




Why Nutec Bickley?

  • Custom designs offering the uniformity required for the types of processes involved.
  • Low thermal mass insulation system, without any metal hardware exposed on the furnace hot face.
  • Flexible designs in a single unit to meet temperature uniformity studies (TUS) from 950°F (510°C) to 2,100°F (1,150°C).
  • Fiber lined sections using our patented Jointless system with a special design to compensate for fiber shrinkage, thereby significantly reducing maintenance.
  • Exterior designs available, with appropriate steel construction parts/components in accordance with NEMA4 or IP65 protection ratings.
  • Cooling nozzle systems available to accelerate and control cooling cycles if required.

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