Importance

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Abstract

The present invention refers to a sieve device for separating and removing impurities (1) from sewage (2) with at least two endless drive elements running parallel to one another that can be driven with the help of a drive (3) in conveying direction (F), wherein the drive elements (4) are guided in each case over a lower redirecting area (5) and an upper redirecting area (6) along an orbit, wherein multiple sieve elements (8) extend, arranged adjacently to one another between the drive elements (4), and connected to the drive elements (4), wherein at least most of the sieve elements (8) have in each case a sieve surface (9) curved outward in a side view of the sieve device and wherein the sieve device, downstream from the upper redirecting area (6) in conveying direction (F), has a cleaning device (10) that the sieve elements (8) can pass through while they move along the orbit mentioned above in order to remove the impurities (1) held back by the sieve elements (8) of the sieve surfaces (9). According to the invention, it is suggested that the drive elements (4) and/or the sieve elements (8) are guided in each case along a guiding track (12) in the area of the cleaning device (10) with the help of guiding elements (11), in which case, in the side view mentioned above, the guiding track (12) has a section curved outward 13 (i.e. towards the cleaning device (10)) in the area of the cleaning device (10).

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First Claim