Separation device for secondarily extracting protein from defatted shrimp powder

By introducing a buffer cavity and a segmented rotating drum structure into the separation device for secondary protein extraction from defatted shrimp powder, the problems of large footprint, high energy consumption, and insufficient separation accuracy of traditional devices are solved, achieving efficient and stable protein separation results.

CN224541989UActive Publication Date: 2026-07-24QINGDAO ANTARCTIC WEIKANG BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521608836.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-30
Publication Date
2026-07-24
Estimated Expiration
2035-07-30

AI Technical Summary

Technical Problem

In existing technologies for secondary protein extraction from defatted shrimp powder, traditional equipment is bulky, energy-intensive, and lacks sufficient separation precision, resulting in low protein purity. It is also prone to clogging and protein loss, making it difficult to achieve stable and efficient separation.

Method used

A separation device for secondary extraction of protein from defatted shrimp powder was designed. It adopts a buffer cavity and a segmented rotating drum structure. The buffer cavity protrudes vertically to reduce material impact and eddy currents, while the segmented rotating drum provides a gradient centrifugal force field. Combined with spiral blades, it achieves uniform distribution and efficient separation of materials.

Benefits of technology

It improves protein separation efficiency and purity, reduces energy consumption and downtime frequency of the equipment, and ensures the stability and efficiency of continuous production.

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Abstract

The utility model provides a separation device for secondarily extracting protein from defatted shrimp meal, which comprises a rack, a motor, a centrifugal separation cavity, a discharging cavity, a barrel body, a conveying cavity, a conveying pipeline, a rotary barrel and blades, the top of the centrifugal separation cavity is in an arc shape and protrudes to form a buffering convex cavity, and the purpose is to buffer entering materials and prevent the materials from directly impacting the top to cause splashing or energy loss. The buffering convex cavity is located above the conical barrel section, when materials enter the centrifugal separation cavity from the conical barrel section, the materials moving upwards can be blocked and guided, the materials can smoothly move to the peripheral wall under the action of centrifugal force and are discharged through the discharging cavity, retention is reduced, and efficiency is improved. And meanwhile, the arc-shaped structure reduces the material flowing resistance, avoids vortex or dead zones, ensures uniform distribution of the materials, ensures the separation effect and improves the overall performance of the device.
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