| Kieli | Käännökset |
|---|---|
| japani | アーク炉 |
| saksa | Lichtbogenofen |
| suomi | valokaariuuni |
| Monikko | electric arc furnaces |
(industries, steelmaking) A furnace that heats material by means of an electric arc.
A schematic cross section through a Heroult arc furnace. E is an electrode (only one shown), raised and lowered by the rack and pinion drive R and S. The interior is lined with refractory brick H, and K denotes the bottom lining. A door at A allows access to the interior. The furnace shell rests on rockers to allow it to be tilted for tapping.