Description

Blueberries, a nutritious fruit with a unique flavor, are increasingly popular in the global market. Widely used in fresh fruit sales, frozen processing, juice beverages, and baked goods, blueberries are increasingly demanding in terms of quality. To ensure the uniformity and commercial value of blueberry products, sorting has become a crucial step in the processing process.

Common Blueberry Sorting Methods:

1. Size sorting: Blueberry size directly impacts its marketability. Larger, plumper blueberries are typically destined for the fresh market, where they are attractive, taste good, and command higher prices. Smaller blueberries, on the other hand, are often used for freezing, juicing, or jam. Size grading utilizes the differences in blueberry diameter to achieve precise sorting using a blueberry sorting machine.

2. Color sorting: The color of blueberries is closely related to their ripeness. Blueberries with a dark blue color and a uniformly powdery skin generally indicate high ripeness and sufficient sugar content, making them more suitable for fresh consumption. Blueberries with a lighter color or a reddish tint indicate underripeness and may be destined for processing.

By sorting by size and color, blueberries can enter corresponding markets according to different quality standards, thereby increasing product added value and overall sales efficiency.

Blueberry Size Sorting Machine:

Blueberry sorting machine typically use screens with varying apertures or gaps in a conveyor belt to grade blueberries. When blueberries enter the machine, smaller ones fall through the holes or gaps, while larger ones continue on the conveyor belt and are ultimately sorted into different grades based on diameter.

Blueberry Sorting Machine Features:

• High precision: Sorting can be performed with millimeter-level accuracy, ensuring consistent blueberry grading results.
• Flexible handling: The sorting machine is typically equipped with a food-grade soft conveyor belt or buffer device to prevent the blueberries from being crushed and damaged during the grading process.
• High efficiency: Compared to manual sorting, the blueberry sorting machine can operate continuously, significantly improving grading efficiency and meeting the needs of large-scale processing plants.
• High adjustability: The grading aperture or gap can be customized to meet customer needs, accommodating the size differences of blueberries from different origins and varieties.

Blueberry Color Sorter Machine:

Blueberry color sorter machines typically use optical sensors, high-definition industrial cameras, or CCD cameras to capture the color of blueberry skins. Combined with image processing algorithms or artificial intelligence recognition systems, these machines sort blueberries of varying maturity. Based on predefined color standards, the equipment uses air nozzles, levers, or robotic arms to sort the berries to different outlets for color grading.

Blueberry Color Sorter Features:

• Precise sorting: Utilizing high-definition imaging technology, it accurately identifies color differences and maintains stability even in fluctuating lighting conditions.
• High level of automation: Fully automated operation seamlessly integrates with cleaning and packaging production lines, significantly reducing manual intervention.
• Protecting fruit integrity: The blueberry color sorter uses a flexible sorting method, the blueberries are protected from cracking or damage due to impact.
• Adaptable: Suitable not only for blueberries, but also for sorting small berries such as grapes, cherries, and cherry tomatoes.

In actual production, blueberry sorting machine often combine size sorting and color grading to form a complete automated grading line. The size sorter performs preliminary screening, followed by a color grader for fine sorting, resulting in high-quality finished blueberries.