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A METHOD FOR MANUFACTURING LOW BARK CONTENT WOOD CHIPS FROM WHOLE-TREE CHIPS

机译:从全树薯制造低树皮薯片的方法

摘要

The object of the invention is a method for manufacturing low bark content wood chips from whole-tree chips, in which method there are two or more sequential separation stages, which can be divided into pre-separation with a bark content of less than 10 % and final cleaning, and in which the pre-separation consists of at least pneumatic separation and the final cleaning includes sorting based on colour difference. According to the invention, before pneumatic separation the bark is removed from the chips by grinding, which simultaneously reduces the particle size of the bark.
机译:本发明的目的是从整棵树屑制造低树皮含量的木屑的方法,其中该方法具有两个或更多个顺序的分离阶段,该阶段可以分为树皮含量小于10%的预分离。最终清洁,其中预分离至少包括气动分离,最终清洁包括基于色差的分类。根据本发明,在气动分离之前,通过研磨将树皮从切屑中去除,这同时减小了树皮的粒度。

著录项

  • 公开/公告号EP0646049B1

    专利类型

  • 公开/公告日1999-02-03

    原文格式PDF

  • 申请/专利权人 VALTION TEKNILLINEN;

    申请/专利号EP19930910076

  • 发明设计人 EDELMANN KARI;SEPPÄNEN VELI;

    申请日1993-06-08

  • 分类号B07B15/00;B07C5/342;D21B1/02;

  • 国家 EP

  • 入库时间 2022-08-22 02:20:17

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