AN APPARATUS FOR WASHING AND/OR DEWATERING OF CELLULOSE PULP

摘要

The invention relates to an apparatus (100) for washing and/or dewatering of cellulose pulp, which apparatus (100) comprises a first movable permeable surface (21); a pulp transportation chamber wall (22) and a pulp transportation chamber (25), which pulp transportation chamber (25) has a chamber gap width (Wv) between the pulp transportation chamber wall (22) and the first movable permeable surface (21); and a pulp distribution device (10) comprising an inlet (11) and an outlet (12), which pulp distribution device (10) is arranged to distribute pulp through its outlet (12) onto the first movable permeable surface (21).According to the invention the pulp transportation chamber (25) is provided with a local throttle (31) having a throttle gap width (Wt), near the outlet (12) of the pulp distribution device (10),and in that a second permeable surface (14) for initial dewatering is provided before the local throttle (31).