Assembly for cleaning gutter surrounding clarification basin comprises using series of carefully arranged brushes to ensure continuous contact on all surfaces

摘要

First (8) and second (9) sets of brushes clean the base and vertical side walls of the gutter respectively. These are fixed to the vertical side of first (12) and second (17) articulated parallelograms where the other vertical side (13) of the parallelogram is fixed respectively to the vertical main mast (14) connected to the scraper bridge and the first side (12) of the first parallelogram An assembly for cleaning a clarification basin of the type with a wall which contains a gutter, a base and an overflow plate. A siphon bell is connected to the base of the overflow plate at the crossing level. A scraper bridge is connected to a reducing motor and to a drive wheel. A third set of brushes (18, 19) cleans the top of the overflows and the vertical walls of the overflow wall and the siphon bell. This third set of brushes is fixed to the main mast (14) by a linking arm (22). The support is connected to two opposing arms (25) with freely rotating wheels (26) at a distance from each other so one of the wheels always rests in contact with the bottom of the gutter as the brushes (9) pass over the clarified water outlet and the support is connected to the vertical side of the second parallelogram via an axle (28) and a clamp (29). The brushes are fixed to a double plate which presses them against the gutter base at the same time as absorbing variations in gutter width. The brush fibres are inclined to the gutter base to create a resistance which rotates them as they move along. The upper plate is fixed to the first parallelogram articulated about an axle (36) and wheels (37)