Patent ID: 8132674
Filing Date: 2012-03-13
Classification: B03C

Abstract:
1. A tramp metal separation device for removing contaminants from a stream of raw materials, the tramp metal separation device comprising: a first housing having an inlet and an outlet; a first drawer having a plurality of magnets and a wiper assembly, where the first drawer is supported with respect to the first housing such that the first drawer is moveable between an extended position, wherein the magnets are positioned within the first housing and are adapted to be in contact with the stream of raw materials, and a retracted position, wherein the magnets are positioned outside of the first housing and further wherein the wiper assembly removes contaminants from the magnets as the first drawer moves from the extended position to the retracted position; and a second drawer having a plurality of magnets and a wiper assembly, where the second drawer is supported with respect to the first housing such that the second drawer is moveable between an extended position, wherein the magnets are positioned within the first housing and are adapted to be in contact with the stream of raw materials, and a retracted position, wherein the magnets are positioned outside of the first housing and further wherein the wiper assembly removes contaminants from the magnets as the second drawer moves from the extended position to the retracted position; and a second housing that is connected to the first housing, the second housing having a substantially enclosed interior, wherein the magnets of the first drawer and the second drawer are positioned within the second housing when the first drawer and the second drawer are in their respective retracted positions.