Open-hearth furnace
device · 1865 · Industrial Revolution
The Siemens–Martin regenerative furnace.
What it is made of
- Furnace bath with molten steel — has part. A flat hearth with liquid metal.
- Regenerator checkerwork — has part. Checkerwork heats the air and gas with the heat of the exhaust gases.
- Furnace arched roof — has part. A refractory roof.
Principles and materials it uses
- Brick — is made of. An open-hearth furnace is built of firebrick.
- Cast iron — uses. The furnace melts pig iron and scrap into steel.
Where it is used
- Steel works — is part of. A steelmaking shop.
History: what it evolved from and what it influenced
- Bessemer converter — evolved from. A more controllable process.