Device for PET (Polyethylene Terephthalate) sterilization

Abstract

The invention discloses a device for PET (Polyethylene Terephthalate) sterilization. The device comprises an argon storage tank, an oxygen storage tank, a plasma generator and a power supply. The plasma generator is communicated with the oxygen storage tank through a guide pipe; a positive electrode and a negative electrode of the power supply are respectively connected with a pipe wall of an argon conveying pipe and an annular electrode. According to the device provided by the invention, through providing enough plasma gas, the requirement on worker operation is low, and the use cost is low, so that a key basis is established for sterilizing a beverage bottle at low temperature and low voltage. Through adjusting the flow quantity of the argon storage tank and the oxygen storage tank, the mixing proportion of reactant gas and plasma-excited gas is adjusted, so that the aims of fast and complete sterilization can be achieved within a short time no matter escherichia coli, staphylococcus aureus, thermophilic bacteria and other bacteria are located at a body surface drying part or a body surface wetting part.

Description

technical field [0001] The invention belongs to the technical field of beverage sterilization equipment, in particular to a device for PET sterilization. Background technique [0002] For reusable beverage bottles, for example: recycled glass bottles need to be sterilized when filling beverages again, and it must be ensured that all microorganisms such as bacteria, fungi or viruses attached to the glass bottles can be completely removed. However, currently known sterilization methods such as high heat and high pressure sterilization, chemical bactericides, and physical radiation irradiation have high energy consumption, harsh operating conditions, and high technical requirements for workers. In addition, the above method has certain damage to the physical and chemical structure of the glass bottle. Generally, after 3 to 6 times of use, the recycled glass bottle needs to be scrapped and smelted to avoid potential safety hazards. It is more difficult to waste bottles that exc...

AI Technical Summary

Problems solved by technology

However, currently known sterilization methods such as high heat and high pressure sterilization, chemical bactericides, and physical radiation exposure have high energy consumption, harsh operating conditions, and high technical requirements for workers.

In addition, the above method has certain damage to the physical and chemical structure of the glass bottle. Generally, after 3 to 6 times of use, the recycled glass bottle needs to be scrapped and smelted to avoid potential safety hazards. It is more difficult to waste bottles that exceed the number of times

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