Apparatus for continuously grinding wood under pressure and cont

Details Apparatus for continuously grinding wood under pressure and cont Apparatus for continuously grinding wood under pressure and cont

1980-09-11

1982-05-04

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

With automatic control

241 57, 241152A, 241280, 241DIG14, B02C 2324

Patent

active

043278701

ABSTRACT:
Apparatus for continuously processing wood comprises a pressurized grinding chamber, a grinding stone which is mounted for rotation in the grinding chamber, a device for feeding wood into the grinding chamber to form a primary groundwood stock therein, and a device for discharging the primary groundwood stock from the chamber without allowing gas to escape from the chamber to atmosphere. The discharging device comprises a stick crusher for crushing sticks present in the primary groundwood stock thereby to produce a secondary groundwood stock and an outlet for continuously discharging the secondary groundwood stock while preserving a hydraulic seal of groundwood stock thereby to maintain the groundwood stock in the apparatus under superatmospheric pressure.

REFERENCES:
patent: 3808090 (1974-04-01), Logan
patent: 4235665 (1980-11-01), Reinhall
patent: 4236959 (1980-12-01), Reinhall
"Barkrivare", by Fransson, in Boktryckeri ABi Sundsuhll.

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