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Two-Stage Manure Sloped Screen Separator

Product Showcase Content
Product Name Two-Stage Manure Sloped Screen Separator
Product Image
two-stage manure sloped screen separator installation reference
Illustrative two-stage screening installation: Valmetal. Final supplied layout may differ.
Product Overview The Two-Stage Manure Sloped Screen Separator screens diluted livestock manure in two successive steps. A first inclined screen captures larger fibers and coarse particles. Its screened liquid then enters a second, finer screen to remove additional suspended solids before storage, reuse assessment, or further treatment. The system is suited to commercial dairy operations and can be evaluated for compatible pig farm wash water and other agricultural wastewater.
Key Features
  • Coarse first-stage and finer second-stage screening allow separate optimization of solids capture and liquid flow.
  • Gravity drainage across wedge-wire surfaces supports separation without a drive on the basic screen assemblies.
  • Inlet distribution and screen angle can be designed to control flow across each stage.
  • Separate liquid and captured-solids outlets simplify integration with downstream equipment.
  • Access for screen washing and inspection supports routine operation in demanding farm conditions.
Structural Components A typical arrangement includes an inlet headbox or distribution channel, primary sloped wedge-wire screen, intermediate liquid collection and transfer route, secondary fine screen, filtrate outlet, solids collection points, and support frame or platform. Screen washing equipment, access walkways, feed pumps, and level or overflow controls may be specified according to the installation.
Working Principle Pumpable, diluted manure enters the first headbox and flows evenly over the primary inclined screen. Coarse solids remain on the surface and move toward collection, while liquid drains through the slots. The liquid is then distributed over a second screen with an opening selected to retain finer particles. Final screened liquid leaves through a dedicated outlet. Actual capture and throughput depend on feed consistency, slot openings, screen area, flow distribution, and cleaning frequency.
Technical Specifications
  • Screen arrangement: Two sloped screening stages in series.
  • Primary and secondary slot openings: According to project requirements.
  • Screen area and feed capacity: Selected for the expected flow and manure characteristics.
  • Frame and wetted-part materials: Available upon request.
  • Angle adjustment and washing: Customizable for the selected design.
  • Installation environment: Designed according to local climate and farm conditions.
Applications Staged screening of dairy flush manure, removal of fibers before wastewater storage or additional treatment, and preparation of screened liquid for a farm process-water system where its quality is suitable. The captured solids can be directed to a screw press, roller press, composting area, or another planned handling process. Pig farm applications should be assessed against their wash-water and solids characteristics.
Customization Options The two screens may be arranged within one engineered structure or as connected screening modules. Screen dimensions, slot openings, angles, headbox configuration, outlet locations, access platform, and cleaning equipment can be matched to the site. Provide the flow rate, feed solids and bedding content, required liquid quality, available height, and downstream process when requesting a proposal.
Installation & Maintenance Install the system on an engineered platform with sufficient elevation for gravity drainage and solids collection. During livestock facility or pig farm construction, coordinate the feed pump, interstage flow, overflow route, drains, and safe access. Where housed in a steel structure building, verify equipment and liquid loads on the supporting structure. Inspect both screens for blinding or damage, wash them at suitable intervals, and service any optional pumps or automated cleaning equipment according to their manuals.
Product FAQ

Why use two screen stages?
The first removes larger solids, reducing the load on the finer second screen and allowing each stage to serve a different screening objective.

Does the second screen make the liquid suitable for every reuse application?
No. The required water quality depends on its intended use; testing and additional treatment may be necessary.

Will the system produce dry, stackable manure solids?
A sloped screen primarily drains free liquid. A press may be needed when further dewatering is required.

Product Gallery
tandem wedge wire sloped screen separator reference two-stage sloped screen flow diagram reference manure screening system with modular sloped screens sloped manure screen automatic washing system reference
Illustrative equipment, layout, and process images: US Screen Co. and Valmetal. Final supplied system depends on the project specification.

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