Recovery of aluminium scrap
US4571258A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 1984 |
| Grant date | Feb 18, 1986 |
| Priority date | — |
| Expiry date | May 21, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In a process for recovery of aluminium metal from coated light gauge aluminium scrap the scrap fragments are first decoated and then fed substantially continuously onto the surface of a body of molten metal above a channel-type induction heater. The molten metal is stirred to produce strong down flows at the molten metal surface to submerge the decoated scrap particles. The submergence may be effected by a coreless induction heater acting on the body of molten metal or other electromagnetic device such as one or more linear induction motors which are employed to set up a strong axial down flow at the center of the metal surface or to generate a vortex at that location.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.