Protection system for a wood chip destructuring device

Details Protection system for a wood chip destructuring device Protection system for a wood chip destructuring device

1997-01-24

1999-02-02

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

Wood and similar natural-fibrous vegetable material

241 37, 241235, B02C 2500

Patent

active

058653821

ABSTRACT:
An apparatus and method for protecting a wood chip destructuring device from damage due to tramp material. The destructuring device includes a pair of destructuring rolls operating a pre-established distance from each other and an infeed chute for delivering a stream of wood chips to pass through a region between the destructuring rolls. Said protection system includes a sensing unit and a control unit to detect tramp material present in the chip stream. If tramp material is detected in the wood chip flow, the protection system operates to further separate the destructuring rolls so that the surfaces of the destructuring rolls will not be damaged by the tramp material as the flow of material passes between the destructuring rolls.

REFERENCES:
patent: 2905396 (1959-09-01), Fye
patent: 3406624 (1968-10-01), Kutchera et al.
patent: 3604645 (1971-09-01), Keyes
patent: 4295614 (1981-10-01), Bond
patent: 4619408 (1986-10-01), Sangati
patent: 4723718 (1988-02-01), LaPointe
patent: 4953795 (1990-09-01), Bielagus
patent: 5263651 (1993-11-01), Nadarajah

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