US 12,285,706 B2
Filter press and washer for filter plate apparatus
Mike Kraszewski, Holladay, UT (US)
Assigned to FLSmidth A/S, (DK)
Appl. No. 17/776,499
Filed by FLSmidth A/S, Valby (DK)
PCT Filed Nov. 12, 2020, PCT No. PCT/IB2020/060664
§ 371(c)(1), (2) Date May 12, 2022,
PCT Pub. No. WO2021/094978, PCT Pub. Date May 20, 2021.
Claims priority of provisional application 62/934,193, filed on Nov. 12, 2019.
Prior Publication US 2022/0379243 A1, Dec. 1, 2022
Int. Cl. B01D 25/164 (2006.01); B01D 25/38 (2006.01)
CPC B01D 25/386 (2013.01) [B01D 25/164 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A horizontal filter press having a plurality of filter plate assemblies supported by side bars, and a track; the horizontal filter press further comprising a washer carriage; the washer carriage being movably supported on the track and comprising a washer unit for washing the filter plate assemblies; the washer unit comprising:
a wash water manifold which receives wash water via an inlet; the inlet being configured to be connected to a pressurized source of wash water;
a plurality of reels that are each configured to store, deploy, and retract a flexible hose;
at least one spray bar configured for lowering between two of the filter plate assemblies and being fluidly coupled to first and second flexible hoses by a hydraulic fitting; the spray bar being further configured with openings which are configured to deliver the wash water towards surface portions of the filter plate assemblies;
wherein a first end of the spray bar fluidly communicates with the first flexible hose;
wherein a second end of the spray bar fluidly communicates with the second flexible hose;
wherein the washer unit is configured such that spooling the first and second flexible hoses onto respective first and second ones of said plurality of reels raises a location of the spray bar with respect to the filter plate assemblies;
wherein the washer unit is configured such that spooling the first and second flexible hoses from the respective first and second ones of said plurality of reels lowers a location of the spray bar with respect to the filter plate assemblies;
wherein in a standby configuration, the first and second flexible hoses are wrapped around said respective first and second ones of said plurality of reels;
wherein in a wash configuration, the first and second flexible hoses are at least partially unwrapped from said respective first and second ones of said plurality of reels.