Food sterilization device and method based on surface dielectric barrier discharge plasmas

A dielectric barrier discharge and plasma technology, which is applied in the field of plasma food sterilization devices, can solve the problems of uneven plasma, industrialization obstacles, and many connection points, so as to avoid excessive processing temperature, improve biological activity, and sterilize The effect of effect enhancement

Active Publication Date: 2020-06-26
XI AN JIAOTONG UNIV
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Problems solved by technology

The disadvantage of this structure is that the structure is too complex and there are too many connection points. If large-scale industrialization, the error rate will be greatly increased
Zhang Zhiwei and others designed a continuous plasma sterilization device for fresh-cut fruit and vegetable tunnels. The devi

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  • Food sterilization device and method based on surface dielectric barrier discharge plasmas
  • Food sterilization device and method based on surface dielectric barrier discharge plasmas
  • Food sterilization device and method based on surface dielectric barrier discharge plasmas

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Embodiment Construction

[0040] The following will refer to the attached Figure 1 to Figure 5 Specific examples of the present invention are described in more detail. Although specific embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and is not limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0041]It should be noted that certain terms are used in the specification and claims to refer to specific components. Those skilled in the art should understand that they may use different terms to refer to the same component. The specification and claims do not use differences in nouns as a way of distinguishing components, but use differences in functions of components as a criterion for distinguishing. "Includes" or "comprises" mentioned throughout t...

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Abstract

The invention discloses a food sterilization device and a food sterilization method based on surface dielectric barrier discharge plasmas. The device is characterized in that a barrier dielectric layer is made of an insulating dielectric material, metal of a gold immersion layer is deposited on the upper surface of the barrier dielectric layer, and a first electrode hole is formed in the gold immersion layer; a PCB of the gold immersion grid layer is printed on the lower surface of the barrier dielectric layer, a second electrode hole is formed in the gold immersion grid layer used for generating uniform plasmas, the gold immersion grid layer is provided with rhombic grids, a cooling device is arranged above a surface dielectric barrier discharge structure, and the cooling device faces andcools the gold immersion layer; and a conveying groove is formed below the surface dielectric barrier discharge structure so as to convey food facing the gold immersion grid layer, so that surface plasmas diffused downwards act on the food.

Description

technical field [0001] The invention relates to the technical field of non-thermal sterilization and preservation of fluid food, in particular to a food sterilization device and method based on surface dielectric barrier discharge plasma. Background technique [0002] As the world's largest food industry country, the food industry has become the most dynamic "new growth point" of my country's national economy and the "new space" for the development of modern agriculture. Beverages occupy half the sky in the food industry. Quality, nutrition and quality safety are related to everyone in thousands of households. It is also a pillar industry that stimulates domestic demand, protects people's livelihood, promotes economic growth, converts a large number of agricultural products and increases farmers' income. Food safety and nutritional quality are very important. The 2017 National Food Poisoning Report analyzed that bacterial poisoning accounted for more than 50%. Therefore, ste...

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Application Information

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IPC IPC(8): A23L3/26A23L3/32A23L2/50A23C3/07
CPCA23L3/26A23L3/32A23L2/50A23C3/07Y02P60/85
Inventor 常正实樊文硕张冠军
Owner XI AN JIAOTONG UNIV
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