Cold-water shrimp can be smaller and more delicate than many warm-water species, making controlled washing and precise mechanical grading especially important. The process begins with a short water soak, followed by elevator lifting and spray rinsing. A second washing stage removes remaining loose material and transfers the shrimp evenly toward the roller grading units.
Paired rollers rotate in opposite directions from the center toward the sides, carrying shrimp forward without excessive pressure. Carefully graduated gaps allow products to drop when their body size matches the required grade. This principle supports repeatable separation while reducing surface damage and product loss.
Technical Parameters of Standard Shrimp Grading Machine
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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. Fine Size Separation: Progressive roller spacing supports accurate grading of smaller shrimp and helps processors maintain clearly defined commercial categories.
2. Gentle Mechanical Action: The Cold Water Shrimp Sorting Machine minimizes squeezing and abrasion through controlled, outward roller rotation and steady product movement.
3. Multi-Stage Cleaning: Soaking and two washing steps improve cleanliness before grading, supporting better presentation and more efficient downstream inspection.
4. Efficient Grade Collection: Dedicated conveyors receive each sorted group and simplify transfer to weighing, packing, freezing, or additional quality control.
The equipment accommodates head-on and headless shrimp, shrimp meat, prawns, small fish, and other materials with similar grading behavior.
Accurate grading also supports uniform freezing and packaging, helping plants meet buyer specifications while protecting the premium value of smaller cold-water species.
For processors handling delicate cold-water species, the Cold Water Shrimp Sorting Machine provides accurate separation, careful handling, and reliable workflow control.
Q&A
Q: Can the machine grade different types of shrimp?
A: Yes. It can process HOSO, HLSO, peeled shrimp meat, and fresh or semi-thawed shrimp by adjusting the roller gaps and operating speed.
Q: Does the machine include a shrimp-washing system?
A: A water-spray or washing system can be included to clean shrimp, reduce friction, and improve product movement during grading.
Q: Is the shrimp grading machine easy to clean?
A: Yes. Its open-frame structure reduces hidden areas and makes washing, inspection, and routine sanitation easier.
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