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Cyclone Gas-Fired Retort Pit Furnace
Model 12-3848-G12R
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Cyclone® Gas-Fired Pit Furnace with Retort
Gas-fired pit furnaces with built-in retort available in single or two-stage
nitriding systems. CYCLONE® gas-fired pit furnaces are capable of temperatures
up to 1250°F (1400°F optional). The furnaces have a separate
heating/fan chamber that provides heat to the work chamber. The work
chamber is heated when the supply gas is burned in the heating chamber
then pressurized by a rapidly circulating fan. Pressure above, and suction
below, force the heated gases through the around the retort at high velocity
with minimal temperature drop. Excess volume is forced out through a
flue after passing through the work chamber. A “suspended” fan
shroud mates with either the basket or baffle to provide a closed path
of circulation when the cover is closed. Atmosphere leaves the fan and
travels downward through annualar clearance between retort and basket
or shroud to below the load support, then upward through the work before
again entering the fan inlet. The arrangement includes a water-cooled
lower bearing/atmosphere seal. The retort with sealed cover and circulating
fan is provided.
Loading the Cyclone® pit furnace is virtually foolproof. Because the
fan and heating elements are separate from the load chamber, damage from
accidental contact is eliminated. The entire work chamber is metal-lined
for maximum durability.
The Cyclone® is designed for convenient maintenance. The fan motor is
externally accessible for easy service and replacement.
Features
- Exceptional uniformity
- Long service life
- Fast, efficient cooling
- Simplified installation
- Fast, efficient cooling
- Nominal maintenance
Benefits
- Exceptionally high surface hardness
- Parts with high resistance to metal-to-metal wear
- Lower finishing costs—minimizes warpage, distortion, galling,
and seizing
- Improved corrosion resistance—especially if parts are not subjected
to a final finishing operation after nitriding
Options
- Ammonia dissociators
- Removable retort for accelerated cooling
- Afterburner
Applications
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