Patent ID: 7374050

Claim:
A rotary drum filter comprising: (a) a drum mounted for rotation, (b) a plurality of longitudinally extending division grids mounted and spaced in parallel relationship about the outer circumferential surface of the drum, (c) a plurality of corrugated sheets each sheet having alternating ridges and channels extending from a leading edge to a trailing edge, the leading and trailing edges of each sheet mounted on adjacent pairs of division grids to define filtrate compartments around the circumference of the drum, (d) drainage slots near the trailing edge of each channel for communication to said compartments, (e) a plurality of perforated filter plates, each filter plate attached to the top of a corresponding corrugated sheet, (f) a seal clip disposed at a leading edge of each corrugated sheet, (g) a seal member disposed close to the underside leading edge of each corrugated sheet and engaged between the seal clip and the corrugated sheet, (h) shoulder portions on both longitudinal faces of each division grid adapted to slidably and replaceably mount respective leading and trailing edges of circumferentially adjacent corrugated sheets, and wherein at least one of the seal clip and the seal member is partially disposed under the leading edge of the corrugated sheet.