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US 5,413,487 AGranted
Densifier and cooling elevator
OwnerVernon J. Lundellinventor
Life of this patent
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OwnerVernon J. Lundellinventor
Estimating the term…
A densifier and cooling elevator for compressing previously separated burnable waste material into cubes of desired length and shape with the cubes forming a fuel for various purposes in which a burnable product can be effectively used. The densifier includes a rotatable drum and a plurality of circumferentially positioned die tubes which are welded together and held in rigid radial position. The inner ends of the die tubes are supplied with waste material treated previously in various stages of a waste recycling apparatus. Oppositely disposed rollers engage, compress and compact the waste material into the die tubes and extrude the compacted waste material from the die tubes as a dense cube. The cooling elevator supplies the previously treated burnable waste material to the drum and is provided with spray nozzles that may be optionally employed to cool or provide moisture to the waste material to more effectively enable the waste material to be compressed and compacted into cubes.
A densifier for compacting and compressing comminuted waste material comprising a stationary housing, a rotatable drum mounted in concentrically spaced relation within the housing, means on the drum for conveying waste material axially along the external surface of the drum, a plurality of die tubes rigidly mounted on the housing in a stationary manner in a circular pattern circumferentially at one end of the drum, said die tubes having inner ends positioned to receive waste material from the drum, said die tubes having outer ends spaced radially outwardly from the inner ends, roller means mounted on the drum engaging waste material on the inner ends of the die tubes and compressing and compacting said waste material into the die tubes to form dense cubes that are extruded from the outer ends of the die tubes, means forming a closure for the housing axially outwardly of the die tubes to prevent material from being discharged past the die tubes by the drum and means varying the entry dimensions of the die tubes and forming a peripheral trough receiving waste material from the drum.
A densifier for compacting and compressing waste material into a solid block form comprising a generally circular stationary wheel having a plurality of radially disposed tubes oriented in circumferential aligned relation, said tubes having rigidly mounted inner ends and outer ends to form a rigid circular wheel with the inner ends of the tubes receiving waste material to be compacted and compressed, a circular roller oriented within said wheel and including a periphery oriented adjacent the inner ends of said tubes, means rotatably supporting and driving said roller for movement in a circular path to compress and compact waste material into the inner ends of said tubes for discharging a compacted block from the outer end of each tube, means supplying waste material onto the inner ends of the tubes in advance of said roller whereby the roller will compress and compact the material into the tubes during its movement in a circular path, said wheel including laterally adjustable wear rails extending radially inwardly from the inner ends of the tubes to form a trough for the waste material and form a channel for receiving the periphery of the roller.
A densifier for compacting and compressing waste material into solid pellets comprising a generally circular stationary wheel having a plurality of radially disposed tubes oriented in circumferential aligned relation, said tubes having rigidly mounted inner ends and outer ends to form a rigid circular wheel with the inner ends of the tubes receiving waste material to be compacted and compressed, a circular roller oriented within said wheel and including a periphery oriented adjacent the inner ends of said tubes, means rotatably supporting and driving said roller for movement in a circular path to compress and compact waste material into the inner ends of said tubes for discharging compacted pellets from the outer ends of said tubes, rotatable means supplying waste material peripherally of the wheel onto the inner ends of the tubes in advance of said roller whereby the roller will compress and compact the material into the tubes during its movement in a circular path, said wheel including axially spaced, peripheral rails extending radially inwardly from opposite sides of the inner ends of the tubes to form a trough for the waste material and form a channel for receiving the periphery of the roller.
Dependencies are inferred from the claim text.