Boiler with internal rotating filter cleaner arm also cleaning the entire inner surface of the unfiltered fluid chamber

摘要

A boiler has a filtrate chamber with a perforated base panel with filters which separates from an unfiltered chamber. It consists of a cylindrical section over a conical funnel section which removes filter residues. The inner part of the unfiltered chamber (2) has a horizontally rotating spray unit (6) which reverses direction as required. The spray unit consists of a revolving spray tube (10), and revolving on a bearing which is either inside or outside the boiler.