Pit Furnace

pit furnace

[′pit ‚fər·nəs]
(metallurgy)
A low-temperature furnace in which steel is tempered.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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.
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.