Device for cleaning liquid media using vacuum belt filters

Apparatus for cleaning liquid medium (2) using vacuum belt filters, wherein

• the apparatus has a container (1) for receiving the medium (2) to be cleaned, assemblies (3) with filter belts (10) as a vacuum belt filter, and at least one vacuum pump (4) for generating a vacuum,
• the assemblies (3) each have rollers (11) arranged in a row and spaced apart from each other for supporting the filter belt (10) between supports (12), so that the respective circulating filter belt (10) and the associated supports (12) define a space,
• the assemblies (3) are arranged parallel or predominantly parallel and spaced obliquely from one another,
• the rollers (11) arranged towards the bottom of the container (1) are hollow cylinders with openings in their walls, as first deflection rollers, and
• the interiors of the first deflection rollers are connected to the vacuum pump (4) as hollow cylinders,
• wherein
• the assemblies (3) project above the surface of the medium (2) to be cleaned, in the container (1),
• the rollers (11) pointing away from the medium (2) to be cleaned and arranged above the surface of the medium (2) to be cleaned are each coupled, as second deflection rollers, to drives (16) as components of the assemblies (3), the second deflection rollers and the drives (16) being arranged above the surface of the medium (2) to be cleaned,
• the deflection rollers are connected to each other via chain transmissions with link chains (15),
• the filter belts (10) of the assemblies (3) are detachably connected to the link chains (15),
• channels (20) are arranged spaced apart from the ends of the first deflection rollers, in the medium (2) to be cleaned, legs of adjacent channels (20) being connected to each other via plates (21) arranged spaced apart from the assemblies (3),
• scraper plates (22) are connected to the link chains (15), and
• the scraper plates (22) are designed in such a way that the scraper plates (22) can be guided through the spaces between the first deflection rollers, with the regions of the filter belts