US 12,467,118 B2
Molten lead scrap submergence apparatus
Andrew Horsfall, Aurora, OH (US); and Peter Jetten, Oud-Beijerland (NL)
Assigned to PYROTEK, INC., Spokane, WA (US)
Appl. No. 17/783,585
Filed by PYROTEK, INC., Spokane, WA (US)
PCT Filed Dec. 9, 2020, PCT No. PCT/US2020/063942
§ 371(c)(1), (2) Date Jun. 8, 2022,
PCT Pub. No. WO2021/119085, PCT Pub. Date Jun. 17, 2021.
Claims priority of provisional application 62/945,736, filed on Dec. 9, 2019.
Prior Publication US 2023/0037016 A1, Feb. 2, 2023
Int. Cl. C22B 13/00 (2006.01); C22B 3/00 (2006.01); C22B 3/02 (2006.01); H01M 10/06 (2006.01); H01M 10/54 (2006.01)
CPC C22B 13/045 (2013.01) [C22B 3/02 (2013.01); H01M 10/06 (2013.01); H01M 10/54 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system for recycling lead pieces comprising a vessel defining a vortexing chamber, said vortexing chamber includes an inlet, an outlet and an open top configured to receive lead pieces, a circulation pump is disposed in said vessel for providing molten lead to the inlet of the vortexing chamber, a dross dam divides the vessel into a first region and a second region, said dross dam extending from above a surface of a molten lead bath within the vessel to above a floor of the vessel such that a space exists between the floor of the vessel and a lower edge of the dross dam allowing molten lead to flow from the first region to the second region, a conduit extends between the vortexing chamber outlet and the first region, a transfer pump is disposed in the second region and is configured for removal of molten lead from the vessel.