Dielectric barrier discharge plasma reactor and sterilization device

Abstract

The invention discloses a dielectric barrier discharge plasma reactor. The dielectric barrier discharge plasma reactor comprises a discharge medium tube, a high-voltage electrode and a grounding electrode, wherein the discharge medium tube is of a hollow cylinder structure; the high-voltage electrode is rolled into a cylinder shape, is tightly attached to the inner wall of the discharge medium tube and is fixed in the discharge medium tube; and the grounding electrode is tightly attached to the outer wall of the discharge medium tube. The invention further discloses a dielectric barrier discharge plasma sterilization device comprising the dielectric barrier discharge plasma reactor, the power is supplied to the dielectric barrier discharge plasma reactor through a high-voltage power supplymodule of the device, so that surface dielectric barrier discharge is formed on the outer surface of a discharge medium tube, local air is ionized to form plasma, and harmful microorganisms are killed by utilizing charged particles and an active group effect of the discharge plasma.

Description

technical field [0001] The embodiment of the present application relates to the design of a sterilizing device, in particular to a dielectric barrier discharge plasma reactor and a sterilizing device. Background technique [0002] Microorganisms are ubiquitous in nature, including pathogens harmful to human body such as bacteria and harmful microorganisms. Therefore, it is necessary to provide a sterilization method and a sterilization device to eliminate pathogens harmful to human body. At present, traditional sterilization or antivirus methods mainly include: (1) High temperature disinfection, mainly using boiling water, high temperature cabinets, etc. (2) Ozone sterilization mainly uses ozone to sterilize, but when using ozone to sterilize, high-concentration ozone will cause harm to the human body, so when using ozone to sterilize, it is necessary to The treatment area is separated from people in time or space; (3) Ultraviolet sterilization mainly uses ultraviolet light...

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Problems solved by technology

At present, traditional sterilization or antivirus methods mainly include: (1) High temperature disinfection, mainly using boiling water, high temperature cabinets, etc. (2) Ozone sterilization mainly uses ozone to sterilize, but when using ozone to sterilize, high-concentration ozone will cause harm to the human body, so when using ozone to sterilize, it is necessary to The treatment area is separated from people in time or space; (3) Ultraviolet sterilization mainly uses ultraviolet light to sterilize. When ultraviolet sterilization is used for sterilization, long-term exposure to ultraviolet light will cause harm to the human body. It is necessary to separate the treatment area from the human body. People do time or space isolation; (4) chemical disinfection, the problem of disinfectant residue is common when chemical disinfection is used, which will lead to environmental pollution, personnel poisoning, etc.; (5) high-intensity gas discharge sterilization, mainly using KV or even 10,000V high voltage breaks down the air in the ionization area to kill harmful microorganisms within a certain range. This method has disadvantages such as high voltage exposure, high cost of implementation, and ozone by-products.

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