Patent ID: 9500410
Filing Date: 2016-11-22
CPC Classification: C21C,F27B,F27D,Y02P

Claim Text:
1. An electric arc furnace comprising: a chamber for containing molten steel, a roof interfacing with and covering the chamber for containing a mass of scrap steel, at least one electrode to supply heat for melting the mass of scrap steel, and support means for the chamber on a base, the support means for supporting the chamber and allowing oscillation of the chamber around an axis of rotation; wherein the roof and the chamber are coupled in correspondence to reciprocal interface walls suitable for creating a gastight seal for gases that develop in the chamber during use; the axis of rotation of the chamber is horizontal axis of rotation, and the roof and the chamber are counterprofiled in correspondence to said interface walls to create a coupling with regard to the axis of rotation of the chamber configured to maintain the roof in a fixed position with respect to the base, the chamber is configured to oscillate about the horizontal axis of rotation to allow continuous scrap loading, tapping and deslagging while the chamber remains closed, the seal is maintained and the roof is configured not to oscillate about horizontal axis of rotation along with the chamber.