Prawns are delicate products that require accurate grading without crushing, scraping, or unnecessary drops. The process starts in a water tank, where the product is soaked briefly before being lifted through a spray-washing section. A second elevator washes the prawns again and transfers them steadily to the grading rollers, reducing manual contact throughout preparation.
Two rollers form each grading unit and rotate in opposite directions from the center toward both sides. This controlled movement keeps the product advancing while limiting damage. Gaps increase gradually along the machine, allowing prawns to fall at the correct point according to their width and siz
Technical Parameters of Standard Shrimp Grading Machine
|
Model No. |
KSG-1000 |
Quantity Of Rollers |
8 rollers |
|
Overall Size |
5260mm x 1300mm x 2250mm |
Power |
3.6Kw |
|
Model No. |
KSG-2000 |
Quantity Of Rollers |
12 rollers |
|
Overall Size |
7500mm x 1900mm x 2200mm |
Power |
4.1Kw |
|
The sizing standards for headless "shell-on" shrimp tails are: |
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16–20 count/pound; 21–25 count/pound; 26–30 count/pound 31–35 count/pound; 36–40 count/pound; 41–50 count/pound 51–60 count/pound; 61–70 count/pound; 71–80 count/pound 81–90 count/pound |
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PRODUCT FEATURES
1. Gentle Product Transfer: Smooth elevators and controlled roller movement protect shells and surfaces, supporting an attractive final product after sorting.
2. Consistent Grading: The Prawn Grading Machine uses calibrated roller spacing to create dependable size categories for packing, pricing, and customer specifications.
3. Effective Prewashing: Multiple water and spray stages remove loose impurities before grading and help maintain cleaner downstream handling conditions.
4. Flexible Output: Separate discharge conveyors carry each grade independently, simplifying collection, inspection, weighing, and connection with packaging equipment.
The system is suitable for head-on prawns, headless products, peeled meat, and other seafood with similar elongated shapes and grading characteristics.
Stable feeding and clear grade separation also help teams reduce rework, improve packing accuracy, and maintain predictable output across every production shift.
By combining careful washing, low-impact conveying, and repeatable mechanical separation, the Prawn Grading Machine improves product protection, operating efficiency, and grading consistency.
Q&A
Q: Will the machine damage shrimp heads or shells?
A: The polished rollers and water-spray system provide gentle handling. They help reduce broken shells, damaged meat, and head loss.
Q: What information is needed to select a suitable model?
A: Please provide the shrimp type, required capacity, number of grades, size range, product condition, and available installation space.
Q: How much space is required for installation?
A: The required space depends on the machine model, capacity, number of grades, and connected equipment. A customized layout can be provided.
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