A heat treatment system and method based on a magnetic induction electric field

Through a heat treatment system based on magnetic induction electric field, the alternating induction electric field and glass tube salt bridge structure is used to solve the problems of uneven heating and electrode contact in the existing heat treatment technology, and the efficient, uniform heating and multi-field application of liquid materials are achieved.

CN116179299BActive Publication Date: 2025-07-29JIANGNAN UNIV
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Patent Information

Application Number
CN202111437173.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-11-29
Publication Date
2025-07-29
Estimated Expiration
2041-11-29

AI Technical Summary

Technical Problem

The existing heat treatment technologies have problems such as low heat transfer efficiency, uneven heating, large damage to heat-sensitive elements, and electrode plate scaling. New technologies such as radio frequency heating, microwave heating and high-pressure pulsed electric field heat treatment have the risk of material mass loss and electrochemical reactions.

Method used

A heat treatment system based on magnetic induction electric field is adopted to generate an alternating induction electric field through the annular magnetic core, excitation coil and magnetic coupling tube, and a secondary power supply is formed by using glass tubes and salt bridges to achieve uniform heating of liquid materials and avoid contact with electrodes. A double pump head peristaltic pump is used for material treatment.

Benefits of technology

It realizes green, efficient and uniform heating of liquid materials, and is suitable for liquid food sterilization, liquid biomass catalysis and liquid polymer synthesis, improves heat treatment efficiency and material quality, and reduces energy losses.

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Abstract

The present invention discloses a heat treatment system and method based on a magnetic induction electric field. The heat treatment system includes components such as a magnetic core, a first tube body, a second tube body, a treatment chamber, a magnetic coupling tube, and an exciting coil; wherein a salt bridge inlet is provided at the lower part of the first tube body, and the lower parts of the first and second tube bodies are connected through the magnetic coupling tube, and the upper parts are connected through the treatment chamber, and material flow inlets are provided at the upper parts of the first and second tube bodies; the salt bridge inlet is used to inject a precursor solution of the salt bridge into the first tube body to form a salt bridge in the regions of the first and second tube bodies below the material flow inlets and in the magnetic coupling tube. The present invention can process liquid material media with a conductivity value of 10 μS / cm - 500 mS / cm, with a temperature of 10 - 100 °C and a treatment time of 1 s - 10 min, and can realize multi-field processing including liquid food sterilization, liquid biomass catalysis, and liquid polymer synthesis for liquid materials and other liquid materials.
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