Continuous fluid bed wire burn-off apparatus and method

Claim 1

In a continuous fluid bed industrial furnace system, the combination of elongated first chamber means, an elongated porous diffusion bottom member within said first chamber having inlet and outlet means at the opposing ends thereof, said inlet end being higher than the other end so as to be inclined at a small angle, said inlet means introducing a fluidizable bed of granular material at the higher end of said bottom member to form a bed of granular material thereon, means for directing a fluid upwardly through said bed of granular material to fluidize the granular material and cause the fluidized material to move downwardly along the inclined bottom member, and means for heating said granular material, means for introducing material to be treated onto the higher end of said bottom member, an open ended cylindrical drum at the lower end of said inclined bottom member, means for rotating said drum, a second elongated chamber extending at an angle below and from said drum rearwardly of said chamber means, and conveyor means arranged at and extending vertically of said chamber means and communicating with the outlet means of said second chamber and the inlet means of said first chamber whereby said granular material and material being treated is separated by said drum and said granular material is returned by said second chamber and said conveyor to said diffusion bottom member to provide continuous treatment.