| 摘要 |
<p>A method and a device for the manufacture of mechanical pulp from lignocellulosic material by forcing the said material into contact with a grindstone which revolves about an axle . The material is supplied in bulk, particulate form, preferably as wood chips, a large number of particles simultaneously being retained, compressed and, in the presence of water, forced into contact with one or more grinding areas on the circumferential surface of the grindstone . The grindstone is enclosed in a sealed, pressurized housing .</p> |
