Solid material comminution or disintegration – Apparatus – With separation or classification of material
Patent
1978-02-03
1979-07-31
Goldberg, Howard N.
Solid material comminution or disintegration
Apparatus
With separation or classification of material
144174, 241 93, B02C 1822, B02C 2308
Patent
active
041627695
ABSTRACT:
A whole tree chipper composed of a housing encasing a rotor formed by a pair of substantially identical axially aligned frustro-conical hollow discs having their minimum diameter ends connected together and provided with at least one knife on each disc is disclosed. A slot extends through each disc adjacent each knife, for directing chips cut by the knife through the disc into a chip chamber located at the adjacent axial end of the housing. The rotor is rotated about the said axially aligned axes of the pair of discs and wood in the form of whole tree sections, is advanced longitudinally through an inlet spout which extends through the peripheral wall of the housing toward the conical faces of the discs forming the rotor. A debris chamber extends circumferentially of the rotor in said housing between the inlet spout and a debris outlet. Preferably a deflector is provided in the debris chamber to deflect debris toward the larger diameter ends of the discs into a position to be engaged by a set of paddles mounted on the larger diameter ends of each disc in a position to pass through the debris chamber and eject debris through the debris outlet. A chip outlet is provided from each of the chip chambers in the housing for ejecting chips from the chipper. The chipper thus ejects cut chips separately from debris which includes twigs and branches etc.
REFERENCES:
patent: 3875984 (1975-04-01), Plough
patent: 4009837 (1977-03-01), Schnyder
patent: 4077450 (1978-03-01), Ackerman
Nicholson Manf. Co., in "Pulp and Paper", Dec. 1977, p. 70.
Arasmith Production in "Pulpwood" Production, Mar. 1973, pp. 32-33.
Domtar Inc.
Goldberg Howard N.
Rowley C. A.
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