PULP WASHING APPARATUS Russian patent published in 1999 - IPC

FIELD: pulp-and-paper industry. SUBSTANCE: apparatus for treating pulp containing cellulose fibrous material with treating liquid has vertical reservoir 1 with wall 2 shaped as body of rotation, inner filtering member adapted for separating liquid from pulp and mounted in reservoir 1, distributing pipes 5 disposed outside reservoir and adapted for supplying treating liquid into reservoir 1 via inlet branch pipes. Each distributing pipe 5 is formed from bar 20 and opposite part shaped as body of rotation similar to wall 2. Bar 20 is welded to cylindrical wall to define closed distributing annular channel with mentioned opposite part. Each inlet pipe has orifice extending through portion of cylindrical wall and connecting distributing channel with inner part of reservoir. EFFECT: simplified construction and parts mounting process and increased efficiency. 9 cl, 8 dwg