Sweet potato processing apparatus and sweet potato processing method

The sweet potato processing apparatus addresses the labor-intensive and inefficient storage methods by using brush rollers and ozonated water for effective sterilization and washing, enabling long-term storage and extended market access.

JP7874897B2Active Publication Date: 2026-06-17HINODEYA CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
HINODEYA CO LTD
Filing Date
2024-11-11
Publication Date
2026-06-17

AI Technical Summary

Technical Problem

Existing methods for long-term storage of sweet potatoes require careful management of temperature, humidity, and carbon dioxide concentration, and are labor-intensive, while existing washing devices do not effectively address the sterilization needs of sweet potatoes.

Method used

A sweet potato processing apparatus with a sterilization and washing device that uses brush rollers and ozonated water to sterilize and wash sweet potatoes, including a configuration with brush rollers arranged to disperse sweet potatoes and a spraying system to apply ozonated water for effective sterilization.

Benefits of technology

The apparatus enables long-term storage and sterilization of sweet potatoes, reducing spoilage and maintaining quality, allowing for extended transportation and sale to new markets without chemical preservatives.

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Abstract

To provide a processing device that can sterilize sweet potatoes and allow for long-term storage. [Solution] The sweet potato processing apparatus 100 of the present invention consists of a sterilization and washing apparatus 30 for sterilizing and washing sweet potatoes (200), an introduction and conveying apparatus 20 for introducing sweet potatoes (200) into the sterilization and washing apparatus 30, and a sweet potato discharge apparatus 40 for moving the sweet potatoes (200) processed by the sterilization and washing apparatus 30 downstream. The sterilization and washing apparatus 30 is provided with a plurality of brush rollers 60 for moving the sweet potatoes (200) downstream while rotating them, and a spraying apparatus 65 for spraying washing water containing ozonated water toward the plurality of brush rollers 60.
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