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Method and equipment for manufacturing predetermined low bark content wood chips and a high bark content fuel fraction from wood chips with bark attached
Method and equipment for manufacturing predetermined low bark content wood chips and a high bark content fuel fraction from wood chips with bark attached
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机译：由附有树皮的木片制造预定的低树皮含量的木片和高树皮含量的燃料馏分的方法和设备
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摘要
A method and equipment manufacturing predetermined low bark content wood chips and a high bark content fuel fraction from wood chips with bark attached, includes mechanical bark removal treatment, in which the bark is removed from the chips and their size is reduced; pre-cleaning of the flow of chips with bark attached, into a flow of chips with a bark content of less than 10% and high bark content rejects, with the aid of pneumatic and mechanical sieving; final cleaning of the aforesaid wood chip flow from the pre-cleaning, with the aid of an optical separator, to create low bark content wood chips and a fraction with a higher bark content; collection of the rejects leaving the process, to create the aforementioned high bark content fuel fraction; and seiving out of the flow of wood chips, before the mechanical bark removal process, a predetermined thin fraction of the chips, which bypasses the debarking process.
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