Low-temperature sterilization device for bacteria and viruses

Abstract

The invention discloses a low-temperature sterilization device for bacteria and viruses. The low-temperature sterilization device for the bacteria and viruses comprises a hollow shell, an air controlassembly, a low-temperature plasma generator and an ozone generator, wherein the hollow shell is provided with an air inlet channel and an air outlet; the air control assembly comprises a partition plate, a first annular plate, a second annular plate, a first pressure control one-way valve, a second pressure control one-way valve and a space size adjusting mechanism; the partition plate is arranged in the hollow shell; a purifying chamber is formed in front of the partition plate, and a buffer chamber is formed behind the partition plate; a first flow passage is formed between the first annular plate and the partition plate; a second flow passage is formed between the second annular plate and the hollow shell; the first pressure control one-way valve is arranged in the second flow passage;the first annular plate, the second annular plate and the first pressure control one-way valve divide the purifying chamber into an inner purifying chamber and an outer purifying chamber; the space size adjusting mechanism is arranged in the outer purifying chamber; and the second pressure control one-way valve penetrates through the partition plate at the outer purifying chamber. The low-temperature sterilization device for the bacteria and viruses can continuously, efficiently and safely sterilize the viruses and bacteria.

Description

technical field [0001] The invention relates to the technical field of air purification, in particular to a low-temperature sterilization device for bacteria and viruses. Background technique [0002] Viruses are tiny organisms that can spread and infect organisms among other organisms. Infectious viruses pose a great threat to human life, such as the SARS virus and 2019-nCoV that have occurred in recent years. Studies have shown that SARS virus and 2019-nCoV - The survival time of nCoV under low temperature conditions is much longer than that under normal or high temperature conditions. Therefore, during the prevention and control of 2019-nCoV, necessary disinfection must be carried out on cold chain items to prevent 2019-nCoV from spreading through the cold chain. area spread. [0003] In the prior art, cold chain foods are often stored in cold storage, and viruses are usually killed by spraying disinfectant. However, when the disinfectant kills the virus, it is easy to c...

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Problems solved by technology

[0003] In the prior art, cold chain foods are often stored in cold storage, and viruses are usually killed by spraying disinfectant. However, when the disinfectant kills the virus, it is easy to cause damage to the food and food packaging, which cannot guarantee the normal and safe consumption of the food. Limited to the inability to achieve effective sterilization of the air in the cold storage, let alone the preservation of food under aseptic conditions

[0004] In this regard, the application of radiation technology in food quality preservation has attracted widespread attention. However, it is not easy to strictly control the radiation dose, that is, the dose is not enough, and the effect of virus inactivation cannot be achieved. If the dose is too large, it will cause radioactive pollution to food. After eating, it will cause adverse health consequences, so all countries use it in a controlled manner. The ports of most countries have strict inspections on the import of this type of food to prevent accidents.

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