Title:
サーモメカニカルパルプ製造装置および方法
Document Type and Number:
Japanese Patent JP4841186
Kind Code:
B2
Abstract:
Plate elements, a plate configuration, and associated system for thermomechanical refining of wood chips wherein destructured and partially defibrated chips are fed to a rotating disc primary refiner, where opposed discs each have an inner band pattern of bars and grooves and outer band pattern of bars and grooves, such that substantially complete fiberization (defibration) of the chips is achieved in the inner band and the resulting fibers are fibrillated in the outer band. One embodiment is directed to a pair of opposed co-operating refining plate elements for a flat disc refiner wherein the bars and grooves on each of the inner bands form an inner feed region followed by an outer working region, the bars and groove on each of the outer bands form an inner feed region followed by an outer working region, and the gap and/or material flow area formed when the plates are placed in front of each other increases between the inner working region and the outer feed region.
Inventors:
Marc Jay. Sabourin
Look gingrass
Look gingrass
Application Number:
JP2005198694A
Publication Date:
December 21, 2011
Filing Date:
July 07, 2005
Export Citation:
Assignee:
Andritz Incorporated
International Classes:
D21B1/14; B02C7/12; D21D1/30; D21B
Domestic Patent References:
| JP2003515008A |
Attorney, Agent or Firm:
Shizuo Nakamura