Patent ID: 8336714

Claim:
A separation system comprising: a separation screen having multiple discs configured to receive a material stream comprising a first group of materials and a second group of materials, wherein the discs are configured to move the first group of materials over an out-feed end of the separation screen, and wherein the discs are further configured to cause the second group of materials to either fall through openings between the discs or roll off an in-feed end of the separation screen; a center chute located underneath the disc screen; a forced air heater configured to generate a heated air flow; one or more air ducts configured to direct the heated air flow into the center chute, wherein the one or more air ducts includes two heat ducts coupled on opposite sides of the center chute; a reclamation hood that extends diagonally above a majority of the length of the separation screen and is configured to draw in at least some of the heated air flow that passes through the openings; and a return air duct configured to direct the heated air flow from the reclamation hood back to the forced air heater.