Melt filter with a melt pre-flow channel

摘要

The invention relates to a melt filter (1) for filtering plastic melts with a rotatable sieve disc (2) with one or more sieve inserts (3, 3 ', 3' '), at least one sieve insert (3, 3', 3 '') inside of the melt filter (1) can be moved into a stream (10) of melt in such a way that the strainer insert (3, 3 ', 3' ') is located opposite a drain opening (11) of a melt drain channel (9), the melt filter (1) being included a device (8) for active mechanical flooding is provided, which pressurizes the melt in the melt pre-flow channel (9).