open-hearth furnace

noun

1. (esp formerly) a steel-making reverbatory furnace in which pig iron and scrap are contained in a shallow hearth and heated by producer gas

Example Sentences

The ends of the blooming mill and open hearth furnace buildings were crushed in by the force of the flood.

From Project Gutenberg

You know the cinder pits are located in the open-hearth furnace building.

From Project Gutenberg

The Bessemer “Converter” has, however, itself given place to the Siemens open-hearth furnace.

From Project Gutenberg

The terrific heat from the first nozzle caused the metal to glow under the torch as if in an open-hearth furnace.

From Project Gutenberg

In the most promising form of this process an acid converter and a basic open-hearth furnace are used.

From Project Gutenberg