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Three-phase continuous flow induction-heat green sterilization system and method

A flow induction heating and three-phase technology, which is applied in the field of three-phase continuous flow induction heating green sterilization system, can solve the problems that the induction sterilization of liquid food cannot be further realized, and the induction current of large density cannot be obtained.

Active Publication Date: 2021-01-08
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The research speculates that when the complex electrolyte system fills the pipeline and acts as a secondary circuit, due to its high impedance, the effective potential difference of sufficient strength cannot be generated inside the sample under the traditional single-phase induced voltage, and thus a large density cannot be obtained. Inductive current, it is impossible to further realize the induction sterilization of liquid food with low magnetic permeability

Method used

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  • Three-phase continuous flow induction-heat green sterilization system and method
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  • Three-phase continuous flow induction-heat green sterilization system and method

Examples

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Embodiment 1

[0031] This embodiment provides a three-phase continuous flow induction heating green sterilization system I, see figure 1 , including a sample tank 101, a pump 102, a three-phase power supply 103, a sample tank 104 and a sterilization treatment device 200.

[0032] Such as Figure 2-Figure 4 As shown, the sterilization treatment equipment 200 includes: a three-column magnetic circuit 201, an excitation coil 202, a magnetic coupling tube 203, a material storage tube 204, a processing chamber 205, a liquid outlet tube 206, a three-way connector 207, a fixed plate 208 and Base 209.

[0033] Such as figure 2 As shown, in the sterilization treatment device 200 , the excitation coil 202 and the magnetic coupling tube 203 are both wound on the three-column magnetic circuit 201 . The exciting coil 202 is connected to the three-phase power supply 103 .

[0034] Depend on image 3 shown in side view and Figure 4As shown in the top view, it can be seen that the sterilization tre...

Embodiment 2

[0053] This example provides a sterilization method using the three-phase continuous flow induction heating green sterilization system given in Example 1. The feed liquid is kiwi fruit juice filtered through four layers of gauze as an example.

[0054] Specifically, such as figure 1 As shown, the adopted three-phase continuous flow induction heating green sterilization system includes: a sampling tank 101, a pump 102, a three-phase power supply 103, a sampling tank 104 and a sterilization treatment device 200. The sterilization treatment equipment 200 includes: a three-column magnetic circuit 201 , an excitation coil 202 , a magnetic coupling tube 203 , a storage tube 204 , a treatment chamber 205 , a liquid outlet tube 206 , a tee connector 207 , a fixing plate 208 and a base 209 .

[0055] The three-column magnetic circuit 201 is composed of amorphous and nanocrystalline soft magnetic materials.

[0056] In this embodiment, the exciting coil 202 is wound on the three-column...

Embodiment 3

[0065] This example provides a sterilization method using the three-phase continuous flow induction heating green sterilization system given in Example 1, and fresh cow's milk is taken as the feed liquid.

[0066] Specifically, such as figure 1 As shown, the adopted three-phase continuous flow induction heating sterilization system includes: a sample injection tank 101 , a pump 102 , a three-phase power supply 103 , a sample receiving tank 104 and a sterilization treatment device 200 . The sterilization treatment equipment 200 includes: a three-column magnetic circuit 201 , an excitation coil 202 , a magnetic coupling tube 203 , a storage tube 204 , a treatment chamber 205 , a liquid outlet tube 206 , a tee connector 207 , a fixing plate 208 and a base 209 .

[0067] The three-column magnetic circuit 201 is composed of amorphous and nanocrystalline soft magnetic materials.

[0068] In this embodiment, the exciting coil 202 is wound on the three-column magnetic circuit 201, the ...

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Abstract

The present invention discloses a three-phase continuous flow induction-heat green sterilization system and method and belongs to the field of light industry. A fluid system of a three-column magneticcircuit structure is used, a three-phase excitation technology based on a liquid food winding is developed, an electric power technology is integrated to design a continuous flow pipeline system, fluid food serves as a three-phase circuit, internal resistance of fluid is reduced, compared with a single-phase transformer structure, three-phase continuous flow induction-heat green sterilization system has stability and universality, and the system adopts double liquid storage tanks, further reduces the internal impedance of the fluid food, can improve induction electric field intensity and induction current density in the liquid food and can be improved by three times, and has higher sterilization efficiency. The provided three-phase continuous flow induction-heat green sterilization systemhas a sterilization temperature of 60-65 DEG C, treatment time shorter than 15 s, and can provide a green sterilization technology for many enterprises including liquid food enterprises, traditionalChinese medicine extract production plants and the like.

Description

technical field [0001] The invention relates to a three-phase continuous flow induction heating green sterilization system and method, belonging to the field of light industry. Background technique [0002] The traditional heat conduction sterilization technology dominated by high-temperature short-term heating or ultra-high temperature instantaneous heating has been widely used in various fields of industry. However, in the food field, due to the relatively low heat transfer efficiency of liquid food, the required heat treatment time is too long. Therefore, it will lead to local overheating of food materials, which will adversely affect the quality and nutritional value of food. However, using the thermal and non-thermal effects of the electric field, electrode treatment such as ohmic heating or high-voltage pulse electric field can achieve rapid sterilization of liquid food, but it is easy to cause electrochemical reactions, plate corrosion, reduced processing efficiency, ...

Claims

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Application Information

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IPC IPC(8): A23L3/22A61L2/00
CPCA23L3/22A61L2/0023
Inventor 杨哪何程豪金亚美徐学明吴石林徐悦潘永江吕莉萍周泓伶
Owner JIANGNAN UNIV
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