Solid material comminution or disintegration – Processes – Plural successive comminuting operations
Patent
1993-03-10
1994-09-27
Watts, Douglas D.
Solid material comminution or disintegration
Processes
Plural successive comminuting operations
241154, B02C 1304, B02C 1308
Patent
active
053501225
ABSTRACT:
Bulky waste materials may be effectively reduced to a desirable recycling particle size by a waste recycling device equipped with a preshredding chamber and a shredding chamber. Rotors equipped with differently shaped and configured impacting heads or blades strategically positioned about the rotors within the two chambers serve to break the waste materials into progressively smaller sized particles. The preshredding rotor is typically operated at a lower rotational speed than the shredding rotor. The shredding rotor may be equipped with shredding blades which protectively retract from a working zone when exposed to excessive shearing forces. Relatively rigid waste materials such as wooden pallets may be effectively and continuously reduced in massive quantities to a recyclable size with the waste recycling device.
REFERENCES:
patent: 4039150 (1977-08-01), Ivarsson
Hundt Vincent G.
Peltz Frederick G.
Hendrickson M. Paul
Watts Douglas D.
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