A low-damage quinoa raw grain desaponinization and cleaning-washing-drying integrated synergistic processing system and method

By integrating a collaborative processing system that combines processes such as air screening, gravity separation, mechanical saponin removal, light polishing, rapid water washing, and vacuum drying, the problems of germ damage, high breakage rate, high water consumption, and inconsistent finished product quality in quinoa processing have been solved, achieving green and efficient industrial production.

CN122124884APending Publication Date: 2026-06-02SHANXI JIAQI AGRI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANXI JIAQI AGRI TECH CO LTD
Filing Date
2026-03-24
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing quinoa processing methods are prone to causing germ damage, increased grain breakage, high water consumption, significant nutrient loss, inconsistent finished product quality, and a lack of systematic dust and wastewater co-control.

Method used

The system employs a collaborative design that integrates processes such as air screening, gravity separation, mechanical saponin removal, light polishing, turbine rapid water washing, vacuum low-temperature drying, color sorting, grading, and metal detection. Combined with a dust negative pressure collection and water circulation treatment system, it achieves integrated processing for low-damage saponin removal and cleaning.

Benefits of technology

It improves the efficiency of removing bitterness from quinoa, reduces damage to the germ and nutritional structure, improves processing consistency and industrial applicability, reduces dust pollution and wastewater discharge, and enhances product purity and food safety.

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Abstract

This invention discloses a low-damage saponin removal and integrated processing system and method for quinoa raw grains, encompassing cleaning, washing, and drying. The system includes steps such as air screening, gravity separation, mechanical saponin removal, destoning, light polishing, washing, centrifugal dehydration, vacuum low-temperature drying, color sorting, grading, metal detection, and quantitative packaging. In the mechanical saponin removal step, a horizontally positioned pressure chamber utilizes a central rotating shaft parallel to the ground to drive angled, non-smooth metal rods to agitate the material. Under adjustable chamber pressure, the friction between quinoa particles and between the quinoa particles and the metal rods removes the surface saponin-containing tissue. This is complemented by a negative pressure dust collection system and a water circulation system. This invention effectively reduces the bitterness of quinoa while minimizing damage to the germ, reducing the breakage rate, decreasing the load on subsequent washing and drying, and improving the consistency of finished product quality, storage stability, and industrial processing applicability.
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