Filter bag for rotary disc filter, has hill and valley profiles on both sides of filter material

摘要

The two sides of the bag are profiled in order to form hills (9) and valleys (10) : A filter bag for a filter segment in a rotary disc filter for separating pulp suspensions comprises a first side and a second side of mesh material which define a chamber for receiving filtrate. The two sides are profiled in order to form hills and valleys. The bag comprises a polymer material. An independent claim is also included for a filter segment comprising the filter bag fitted over a frame.