D - Textiles – Paper – 21 – B
Patent
D - Textiles, Paper
21
B
92/52
D21B 1/02 (2006.01)
Patent
CA 1040912
ABSTRACT OF THE DISCLOSURE Waste wood,such as stumps and snag, is treated to make it suitable for the production of paper pulp, whereby the raw waste wood is initially crushed so that part of the bark, sand and stones attached to the wood is detached at this stage already, the obtained crushed material is fed into a washer tank for further washing away bark, sand, stone and peat material from the wood, high-pressure water nozzles being provided at an inlet end of said washer to impigne strong water jets on the crushed wood material, and flow creating means being provided at the lower part of the washer tank to produce a water flow directed slantedly upwards towards an outlet end of the washer tank in order to entrain heavy wood fragments, which may tend to sink into the material leaving the washer tank at said outlet end thereof, said material being further after-crushed and sieved to separate an accept fraction thereof for feeding to a pulp production process. The wood material fed to the process may be mixed with conventional wood chips.
243563
Makila Eino
Savinainen Kyosti
Virtanen Unto
LandOfFree
Method and apparatus for the treatment of waste wood, such... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for the treatment of waste wood, such..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for the treatment of waste wood, such... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-676317