US 12,239,997 B2
Multistage screen sorting device
Thomas Jaschek, Bergatreute (DE)
Assigned to Voith Patent GmbH, Heidenheim (DE)
Filed by Voith Patent GmbH, Heidenheim (DE)
Filed on Nov. 6, 2023, as Appl. No. 18/502,607.
Application 18/502,607 is a continuation of application No. PCT/EP2022/061895, filed on May 4, 2022.
Claims priority of application No. 10 2021 112 389.5 (DE), filed on May 12, 2021.
Prior Publication US 2024/0066527 A1, Feb. 29, 2024
Int. Cl. B03B 13/00 (2006.01); B03B 5/48 (2006.01); B08B 3/06 (2006.01)
CPC B03B 13/00 (2013.01) [B03B 5/48 (2013.01); B08B 3/06 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A screen sorting device for cleaning a fibrous stock suspension, the screen sorting device comprising:
an inlet for the fibrous stock suspension;
a first sorting stage, which includes a first accepts discharge;
at least one second sorting stage, which includes a second accepts discharge;
a fill level detector, which is configured for detecting an accumulation height in the at least one second sorting stage and is assigned to the at least one second sorting stage; and
an orifice plate, which is arranged between the first sorting stage and the at least one second sorting stage and includes a side facing the at least one second sorting stage, wherein the screen sorting device is configured such that a pressure acquisition for a detection of a prevailing pressure is provided on the side of the orifice plate facing the at least one second sorting stage.