The ADDAMS Air Screen Separation Process is a foundational technique used in seed and grain processing plants to clean and grade seeds or grains based on size, shape, and weight (density) differences. It’s typically the first step in the processing chain and helps remove undesirable materials (e.g., dust, chaff, weed seeds, broken kernels, etc.) from the good seed lot.
How the ADDAMS Air Screen Separation Process Works:
It involves three key Seed Cleaning principles:
Aspiration (Air Separation):
Uses air flow to remove light impurities (e.g., dust, husks, chaff).
Lighter materials are carried away by the air stream and collected in a dust chamber or cyclone.
Screening (Size Separation):
Seeds pass over one or more vibrating screens (sieves).
The Perforated screens have holes of specific sizes:
The top screen removes oversized materials (sticks, clumps, etc.).
Bottom screen removes undersized materials (sand, small weed seeds, etc.).
Material that stays between the screens is the desired seed or grain.
Grading (Precision Sizing) (optional):
Multiple screens can be used sequentially to grade the seed into different size fractions.
Components of an Air Screen Cleaner:
Feeding Hopper – for controlled input of seeds.
Aspiration Chamber – for pre-cleaning with air.
Vibrating screens are arranged in tiers for separation by size.
Air Blowers/Fans – to create adjustable airflow for aspiration.
Collection Chutes – for the output of cleaned, rejected, and graded material.
Dust Collection System – to trap airborne particles.
Types of Air Screen Seed Cleaners:
ADDAMS Rotating Seed Cleaner Screen Separator: This device is primarily utilized for pre-cleaning operations at the start of the season before seed storage. Multiple Perforated Screens separating admixtures of large and small sizes from Prime Seed Lots with Aspiration to remove light impurities, and throughout the processing cycle by interchanging perforated screens to accommodate different seed types. When equipped with finer screens, it can also perform basic air-assisted cleaning. Ideal for on-farm applications where processing timelines are flexible and not subject to strict scheduling constraints.
According to needs, the etiquette model can be deployed for operational requirements.
ADDAMS Flat Screen Vibrating Seed Cleaner Separator: These simple and effective two-layer Flat Screen Seed Cleaner Separators are used to separate admixtures of large and small sizes from Prime Seed Lots. They are equipped with Aspiration to remove light impurities.
Ideal for a Start-up and small-scale Grain and Seed Processing business.
ADDAMS Flat Screen Eccentric Seed Cleaner Separator: Meets Professional and demanding Business needs for multi-type Seed processing projects at medium and large capacity Grain and Seed Processing needs. Multiple Perforated Screens separating admixtures of large and small sizes from Prime Seed Lots with Aspiration to remove light impurities. Generally, a layer of Grading Screen is within these models to give flexibility in obtaining the required size fraction.
Flat Screen Oscillating Seed Cleaner Separator: This product meets professional and demanding Business needs for multi-type Grain and Seed processing projects at high capacities. Multiple Perforated Screens separate admixtures of large and small sizes from Prime Seed Lots to remove light impurities.
Benefits of ADDAMS Air Screen Separators:
- Efficient removal of both lighter and heavier contaminants.
- Improves seed quality, purity, and germination potential.
- Customizable to different seed types with screen changes.
- Cost-effective as a first-pass cleaning step.
Typical Applications of ADDAMS Air Screen Separators:
- Pre-Cleaning and Air Screen Cleaning of Cereal grains (wheat, rice, maize)
- Pre-Cleaning and Air Screen Cleaning of Legumes (beans, lentils)
- Pre-Cleaning and Air Screen Cleaning of Oilseeds (sunflower, mustard)
- Pre-Cleaning and Air Screen Cleaning of Vegetable seeds (carrot, onion)
- Pre-Cleaning and Air Screen Cleaning of Grass Seeds.
Applicable Industries of an ADDAMS Air Screen Separators:
- Grain Food Processing Lines.
- Pulses Food Processing Lines.
- Oil Seed Food Processing Lines.
- Grain Feed Processing Lines.
- Grain Malt Processing Lines.
- Field Seed Processing Lines.
- Forage Seed Processing Lines.
- Grass Seeds Processing Lines.
- Vegetable Seeds Processing Lines.
- Nuts Processing Lines.
