Patent ID: 7582252

Claim:
A plant for the melting of primary and secondary aluminum, with screening and recovery of slags, comprising: a. a rotating furnace, an interior wall of the rotating furnace including a spiral element, the rotating furnace further including an exit hole; b. a pouring channel having a first inclination, the pouring channel within an insulated box, the insulated box having a window formed therein, wherein the pouring channel is disposed adjacent the exit hole and configured such that the pouring channel receives material exiting from the exit hole; c. a spherical storage basin, the spherical storage basin having a rotating joint configured to receive material from the pouring channel, the rotating joint further having a surface having an inclination substantially the same as the first inclination; d. selection means for recovering selected materials; and e. a double canalization means for removing exhaust gases that are produced during the fusion or melting, f. such that the fusion of aluminum occurs in the absence of a salt bath.