Product description
A rectangular separator is a high-capacity screening system designed for continuous separation, classification, dewatering, and impurity removal in industrial wet and dry processes. Its rectangular screen bed provides a large active screening area and is suitable for applications that require high throughput and controlled solids conveyance.Technical overview
Rectangular separators are used in process industries where large material volumes must be screened efficiently with stable product flow and consistent separation performance. Depending on the required process behavior, the machine can be configured with different motion principles, including multi-motion, universal motion, round motion, and dual motion operation. The rectangular design supports high screen area per deck, multiple deck arrangements, and a range of screen tensioning and clamping methods. Typical configurations are used for dry particulate screening, liquid-solid separation, dewatering, scalping, and particle classification. :contentReference[oaicite:1]{index=1}Operating principle
The separator operates by transferring controlled vibratory or gyratory motion to a rectangular screen surface. Feed material is distributed across the width of the screen bed and conveyed along the deck length while undersize material passes through the screen openings. The exact separation behavior depends on the selected motion type:- Multi-motion: combines linear and elliptical motion, allowing the process to switch between strong solids conveyance and gentler separation with longer residence time.
- Universal motion: allows adjustment between round, balanced elliptical, and linear motion to optimize the machine for different products and changing process conditions.
- Round motion: uses circular vibratory motion for gentle screening, high throughput, and reduced screen stress.
- Dual motion: combines elliptical and linear motion, particularly for wet processing of viscous materials.
Material options
Typical material options include:- Carbon Steel
- Stainless Steel 304
- Stainless Steel 316
- Stainless Steel 316L
Available screen openings
Typical screen opening options include:- 20 µm
- 25 µm
- 32 µm
- 38 µm
- 45 µm
- 53 µm
- 63 µm
- 75 µm
- 90 µm
- 106 µm
- 125 µm
- 150 µm
- 180 µm
- 212 µm
- 250 µm
- 300 µm
- 355 µm
- 425 µm
- 500 µm
- 600 µm
- 710 µm
- 850 µm
- 1 mm
- 1.18 mm
- 1.4 mm
- 1.7 mm
- 2 mm
- Custom screen opening
Design and construction
The machine is built around a rectangular screen basket with one or multiple decks, depending on the required separation stages. Typical design characteristics include:- Large rectangular screening area for high-volume processing
- Single-deck or multi-deck arrangements
- Adjustable deck angle
- Rear feed inlet with internal baffle distribution
- Isolated mount suspension to reduce transmitted vibration
- External motor drive with belt transmission
- Pre-tensioned or hook-style screen systems
- Screen clamping options such as pneumatic seals, wedges, hook-style clamping, or bolt-down systems for elevated temperatures
Typical applications
Typical industrial applications include:- Liquid-solid separation
- Dewatering
- High-volume dry screening
- Particle size classification
- Safety screening
- Impurity removal
- Slurry processing
- Paper coating slurry filtration
- Food ingredient screening
- Chemical powder processing
- Mineral and metal powder screening
- Plastic pellet and resin screening
Key benefits
Key technical benefits include:- High throughput rectangular screening format
- Choice of motion type according to process requirements
- Suitable for both wet and dry processing
- Configurable deck angle and motion behavior
- Fast screen change and external access on many configurations
- Reduced transmitted vibration through isolated mounting
- Multiple screen clamping and sealing systems available
- Optional spray and anti-blinding systems
- Flexible machine setup for difficult or changing process conditions
Configuration and quotation
To specify the correct rectangular separator, the following parameters are typically required:- Required separator type
- Required screen opening
- Material of construction
- Wet or dry processing duty
- Feed material and solids characteristics
- Required throughput capacity
- Number of decks or fractions required
- Required motion characteristics
- Screen type: pre-tensioned or hook-style
- Operating temperature
- Need for spray systems, self-cleaning, or CIP execution
- Installation and regulatory requirements