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High Drainage Screw Press Sludge Dehydration Equipment

The spiral press is a widely used equipment for solid-liquid separation. It squeezes materials through the rotation of a spiral shaft, thereby achieving the separation of liquid and solid. It is primarily used to process high-moisture materials such as fruit and vegetable residues, kitchen waste, and sludge.

    Key Features

    1. Efficient Separation: Achieves high-efficiency solid-liquid separation through continuous squeezing by the spiral shaft.

    2. Compact Structure: The equipment occupies a small footprint, making it suitable for spaces with limited area.

    3. High Automation: Can be equipped with an automatic control system, making operation simple and reducing manual intervention.

    4. Strong Adaptability: Suitable for various materials, such as fruits and vegetables, kitchen waste, sludge, etc.

    5. Energy-Efficient and Eco-Friendly: The separated liquid can be recycled, and the solid can be further processed, reducing resource waste.

    conveying pressPretreatment section screen slag pressScreening and residue press in the pretreatment section

    Model of Model Denotation

    Model of Model Denotation

    Host overall size

    Host overall size

    Main technical parameters,size table

    Model

    Number of spiral turns

    Spiral tube size

    A

    B

    C

    D

    E

    F

    G

    H

    Motor power

    LYZ219/6

    6

    219

    400

    380

    1500

    1030

    400

    540

    422

    1000

    1.1

    LYZ219/9

    9

    219

    400

    2100

    1570

    400

    1080

    422

    1000

    1.1

    LYZ219/11

    11

    219

    400

    2500

    1930

    400

    1440

    422

    1000

    1.1

    LYZ299/6

    6

    299

    500

    2150

    1380

    450

    750

    501

    1200

    3

    LYZ299/9

    9

    299

    500

    3050

    2240

    450

    1500

    501

    1200

    3

    LYZ299/11

    11

    299

    500

    3650

    2740

    450

    2250

    501

    1200

    3

    LYZ402/6

    6

    402

    600

    2700

    1940

    750

    900

    622

    1350

    5.5

    LYZ402/9

    9

    402

    600

    3900

    2930

    750

    1980

    622

    1350

    5.5

    LYZ402/11

    11

    402

    600

    4700

    3590

    750

    2640

    622

    1350

    5.5

    Working Principle

    The spiral press uses the rotation of the spiral shaft to push materials from the inlet to the outlet. During the process, the materials are squeezed by the spiral blades and the screen, allowing the liquid to pass through the screen while the solid is discharged from the outlet.

    1. Feeding: Materials enter the press through the inlet.

    2. Squeezing: The spiral shaft rotates, pushing the materials forward and gradually squeezing them.

    3. Separation: The liquid passes through the screen, while the solid continues to move forward.

    4. Discharge: The solid is discharged from the outlet, completing the separation process.

    screw conveyor pressScrew type screen conveyor pressShaftless screw conveyor press

    Main Components

    1. Spiral Shaft: The core component that pushes and squeezes materials through rotation.

    2. Screen: Used to separate liquid and solid, with screen aperture selectable based on material characteristics.

    3. Inlet: The entry point for materials into the equipment.

    4. Outlet: The discharge point for separated solids.

    5. Liquid Collection Trough: Collects the liquid discharged through the screen.

    6. Drive Unit: Includes a motor and gear reducer to drive the rotation of the spiral shaft.

    Spiral pressSpiral screening conveyor pressSpiral slag conveying press

    Applications

    1. Food Processing: Used for fruit and vegetable juicing, bean residue dewatering, etc.

    2. Environmental Industry: Used for kitchen waste treatment, sludge dewatering, etc.

    3. Agriculture: Used for dewatering straw, feed, etc.

    4. Chemical Industry: Used for solid-liquid separation of chemical raw materials.

    5. Biomass Energy: Used for pretreatment of biomass fuel.

    Selection and Installation

    1. Selection Basis:

       - Material properties (moisture content, viscosity, particle size, etc.).

       - Processing capacity requirements.

       - Separation efficiency requirements (solid content in liquid, moisture content in solid, etc.).

    2. Installation Points:

       - Ensure the equipment is installed horizontally to avoid vibration and noise.

       - The inlet and outlet should be smoothly connected to upstream and downstream equipment.

       - The power supply and control system must meet the equipment requirements.

    Maintenance and Care

    1. Regular Inspection: Check the wear and tear of the spiral shaft, screen, and other components, and replace worn parts promptly.

    2. Cleaning and Maintenance: Regularly clean residual materials inside the equipment to prevent clogging and corrosion.

    3. Lubrication: Regularly lubricate bearings and transmission components to ensure smooth operation.

    4. Replacement of Wear Parts: Replace screens, seals, and other wear parts in a timely manner to maintain separation efficiency.

    With its high efficiency, energy-saving features, and strong adaptability, the spiral press plays an important role in various industries and is an ideal equipment for solid-liquid separation.

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