Corn seed sorting solution
Ensure precision in sorting and grading corn with optical and infrared technologies, enhancing product quality while reducing operational costs and labor in high-speed, continuous operations.

Sorts and Grades Seed and Sweet Corn
The ZEA Optical Sorting Machine by TOMRA Food is engineered for sweet and seed corn producers, offering exceptional sorting and grading capabilities across various agricultural products. This advanced equipment features top-mounted combined color and NIR optical sensors that scan each item ‘in flight’ to ensure precise defect and foreign material removal. It’s ideal for applications including hybrid seed corn, canned sweet corn, and other grains and vegetables.
The ZEA employs intelligent paddle ejectors for gentle product handling while maintaining a high throughput capacity. The system’s streamlined design allows for easy integration into existing processing lines, supporting continuous high-speed operations. Notably, its user-friendly interface is available in multiple languages, enabling swift setup and operation.
With its low maintenance requirements, the ZEA reduces labor costs and boosts productivity. It’s crafted from durable materials, ensuring long-term reliability and minimal downtime. Furthermore, the machine’s energy-efficient design optimizes resource utilization, making it a valuable addition to any agricultural or food processing facility.
Benefits
- Enhances product quality with precise defect and foreign material removal.
- Streamlines operations with high-speed sorting and grading for continuous use.
- Lowers operational costs thanks to minimal maintenance requirements.
- Increases efficiency with flexible configurations for various product sizes and types.
- Reduces energy consumption through optimized sorting processes.
- Applications
- Grains,Seed corn,Pulses,Sweet corn,Pet food,Confectionery,Coffee beans,Vegetables,Seeds,Nuts and dried fruit
- End products
- Barley malt,Canned sweet corn,Pecan halves,Dog kibble,Chickpea flour,Hybrid seed corn,Cornmeal,Roasted coffee beans,Almond flour,Candy-coated nuts,Frozen mixed vegetables
- Steps before
- Harvesting,Husking,Initial Cleaning
- Steps after
- Final Packaging,Storage,Distribution
- Input ingredients
- seed corn,sweet corn
- Output ingredients
- sorted seed corn,graded seed corn,first grade produce,second grade produce,third grade produce
- Market info
- TOMRA is known for its expertise in sensor-based solutions for resource productivity, particularly in recycling, food sorting, and mining industries, offering advanced technology to improve resource recovery and efficiency, enhancing sustainability and operational performance.
- Sorting Capability
- Seed corn
- Sensor Technology
- Color vision + NIR
- Optical Sensor Position
- Top-mounted
- Product Handling
- Gentle Handling
- Ejector System
- Intelligent paddle ejectors
- Sort Configurations
- Multiple configurations
- User Interface
- Intuitive,multi-language
- Maintenance
- Low Maintenance
- Automation
- Automatic Sorting
- Working mechanism
- Top-mounted combined color and NIR scanning
- Integrated steps
- 3-way rejector system
- Batch vs. inline operation
- Inline Continuous
- Automation level
- Intuitive user interface with adjustable automation
- Product handling
- Gentle product handling
- Defect sorting
- Color vision and NIR sensor analysis
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Control panel type
- Intuitive user interface
- Feed method
- Top-mounted scanning
- Discharge method
- Intelligent paddle ejectors
- Product handling
- Gentle
- Control panel type
- Intuitive user interface
- Integration possibilities
- Connectivity with TOMRA Insight data platform
- Language support
- Multiple languages
- Configuration options
- Multiple configurations to fit needs