Method and apparatus for continuously processing wood

Details Method and apparatus for continuously processing wood Method and apparatus for continuously processing wood

D - Textiles, Paper

21

B

92/55

D21B 1/00 (2006.01) D21B 1/14 (2006.01) D21B 1/24 (2006.01)

Patent

CA 1148004

ABSTRACT OF THE DISCLOSURE Wood is continuously processed by grinding wood in the presence of water with a rotating grinder in a pressurized gas-filled grinding chamber and forming a primary groundwood stock under superatmospheric pressure. The primary groundwood stock is passed to a stick crusher while maintaining the stock under superatmospheric pressure to produce a secondary groundwood stock. The secondary groundwood stock is then passed to a discharge valve, while maintaining the stock under superatmospheric pressure, and is continuously dis- charged through the discharge valve while preserving a hydraulic seal of secondary groundwood stock upstream of the discharge valve.

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