Andritz Oy

Pekka Karppinen

Raimo O Kohonen

Riitta Rahkonen

Ari Pelkiö

Pasi H&auml;rk&ouml;nen

Kader Rahkonen

Ari Pelki&ouml;

Pasi Härkönen

Raimo Kohonen

An arrangement and a rotor for screening of pulp is disclosed that is suitable for the screening of chemical and mechanical pulps, i.e. fiber suspensions of the wood processing industry. A feature of the arrangement and rotor is that inside the rotor ( ) there is arranged at least one dilution liquid chamber (24&prime;, 24&Prime;, 24&prime;&Prime;) restricted by a surface of the rotor ( ), which surface is provided with means for connecting said at least one chamber (24&prime;, 24&Prime;, 24&prime;&Prime;) with the screening space defined between the rotor and the screen drum in such a way that dilution liquid from said at least one chamber (24&prime;, 24&Prime;, 24&prime;&Prime;) is brought into the screening space at a distance of at least 20 mm from the inner surface of the screen drum ( ).

Arrangement and rotor for screening of pulp

Growing community of inventors

Karhula, Finland

Pekka Karppinen