Pit Furnace

pit furnace

[′pit ‚fər·nəs]
(metallurgy)
A low-temperature furnace in which steel is tempered.

Pit Furnace

 

a compartment furnace used in machine building for the heat treatment of large metal items. Pit furnaces may be round, square, or rectangular and are covered by a detachable, expanding, or movable roof. Loading and unloading operations are performed by means of a bridge crane.

References in periodicals archive ?
As well as recreating the type of pit furnace found at Pyrgos, the team will also be using replicas of blowpipes, which use the same type of ceramic nozzles that were discovered during the excavations at the site.
The company said enlarging the pit furnace involved fabricating a custommade inner shell or retort, made from exotic duplex stainless steel, but the considerable investment has already been offset by new orders.
Enlarging the No 1 pit furnace involved fabricating a custom-made inner shell or retort, made from exotic duplex stainless steel, but this considerable investment has already been offset by orders for heat treating 1108mm diameter gear wheels for an offshore application and 1755mm long, 1 tonne shafts for a renewable energy project.