Self-adaptive processing method for residual food in canteen

The method addresses the environmental and health issues of food waste handling by converting canteen waste into sterilized, dry products through high-temperature processing with adaptive control, enhancing efficiency and safety.

CN119634407AActive Publication Date: 2025-03-18BEIJING STATE OWNED ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202311203383.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-18
Publication Date
2025-03-18
Estimated Expiration
2043-09-18

AI Technical Summary

Technical Problem

Existing methods for handling food waste in canteens, such as collection in swill buckets or using kitchen waste processors, lead to environmental pollution and health risks due to bacterial contamination and unpleasant odors, and overburden wastewater treatment facilities.

Method used

A method for processing food waste into sterilized, dry granular or fibrous material by high-temperature sterilization and drying, with adaptive control of mixing speed and temperature to prevent overheating, using sensors and variable speed drives to adjust processing conditions.

Benefits of technology

Effectively transforms contaminated food waste into safe, environmentally friendly dry products, preventing bacterial contamination and reducing environmental pollution while optimizing processing efficiency.

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Abstract

The invention discloses a canteen remaining food self-adaptive treatment method. The canteen remaining food self-adaptive treatment method comprises the steps that canteen remaining food including leftovers and rice collected from a canteen is subjected to high-temperature sterilization treatment and stirring treatment; during the high-temperature sterilization treatment and stirring treatment of the residual food in the canteen, detecting the heating temperature of the residual food, and detecting the stirring resistance for stirring the residual food in the canteen at the same time; according to the detected stirring resistance, the rotating speed of a rotating driving device used for providing stirring operation power is controlled, and stirring operation is adjusted in a self-adaptive mode; and according to the detected heating temperature and the high-temperature sterilization treatment time, the heating temperature is adjusted until the residual food in the canteen is processed into a sterilized and environment-friendly dry granular or fibrous powder substance.
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