Method and apparatus for removing bark balls from a log flow
AssigneeAndritz-Pantentverwaltungs-Gesellschaft m.b.H.
InventorsMatti Pylkkanen, Lennart Thornquist
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Abstract
The invention relates to a method and apparatus for removing bark balls from a log flow traveling on a conveyor (3) which extends from a debarking drum (1) to a chipper (2), said conveyor (3) including a roller assembly (4) provided with an opening (5) for dumping from the conveyor (3) a sub-flow consisting of wood pieces and bark balls. The apparatus comprises an adjustable dispenser device (6) for further dividing the sub-flow falling from the conveyor (3) into a portion including mainly wood pieces and a portion including mainly bark balls.
Claims20
A method for removing bark balls from a log flow traveling on a conveyor comprising the steps of:
- conveying the log flow from a debarking drum to a chipper on a conveyor, said conveyor including a roller assembly disposed at a pre-determined distance upstream from said chipper and having an opening for dumping from said conveyor a sub-flow consisting of wood pieces and bark balls, and
- dividing the sub-flow dumped from said conveyor by a dividing means into a first portion including mainly wood pieces and a second portion including mainly bark balls.
An assembly for removing bark balls from a log flow comprising a debarking drum, a chipper, a conveyor extending between said drum and said chipper, said conveyor including a roller assembly provided at a pre-determined distance upstream from said chipper with an opening for dumping therefrom a sub-flow containing wood pieces and bark balls, and a controllable dispenser device for dividing the sub-flow falling from said conveyor into a first portion including mainly wood pieces and a second portion including mainly bark balls.
Dependencies are inferred from the claim text.