CZ303819B6 - Rotary dielectric spark gap - Google Patents

Abstract

The present invention relates to a novel method of obtaining greater volumes of a cold plasma mixed with ozone, positive and negative ions and nanoparticles of various metals, wherein the method is characterized in that plasma is formed between a dielectric layer located between two insulated high-voltage electrodes and a third electrode of suitable surplus metal, which is located for example on a fan propeller.

Description

Technical field

The invention relates to the sterilization of biological materials.

BACKGROUND OF THE INVENTION

Currently, mainly chemical compounds in the form of liquids and gases are used to sterilize biological materials (eg disinfection of operating rooms where vaporized hydrogen peroxide is used).

Recently, cold plasma devices and unactivated silver nanoparticles are tested for sterilization of biological materials (see CN 201094752 Y, KR 100753056 B1, CN 200951206 Y, CZ 2007-503 A3, US 4 007 342 A, US 2 036 899 A). Sterilization by these methods is only transient and must be renewed.

SUMMARY OF THE INVENTION

1. In this case, a rotary dielectric spark gap is used to produce cold plasma, which is supplied with high DC or AC voltage. The cold plasma generation mode can be changed continuously by adjusting the glow discharge conditions in the spark gap.

2. In addition to the formation of ionized cold plasma, the nanoparticles of the electrode material sputter due to the glow discharge. Together with cold plasma, these atomized nanoparticles form a so-called disinfectant gas.

3. Thus, the disinfectant effect is based not only on the action of cold plasma as usual, but also on the sustained action of atomized nanoparticles.

Overview of the drawings

Giant. 1 shows a mechanical embodiment of a rotary dielectric spark gap.

DETAILED DESCRIPTION OF THE INVENTION

The technical device is explained by means of Fig. 1, which shows a possible example of a mechanical embodiment.

The rotating dielectric spark gap consists of two metal rings 1 covered with a dielectric layer 2. These metal rings 1 are embedded in the plastic armature of the fan 3. Between the two metal rings 1 there is an insulator layer 4. On the rotating segment of the fan 5 A short-circuit or short-circuit electrode 7 is placed on the metal rings 1. A high DC or AC voltage from a high-voltage source 8 is applied to the metal rings. Between the metal rings 1 and the short-circuit electrode 7. ions and nanoparticles formed by evaporation of the shorting electrode materials 7.

-1 CZ 303819 B6

Industrial applicability

1. Disinfection of air in various environments (ideal use in operating theaters, waiting rooms and doctor's and flight cabin rooms).

2. Odor removal (refrigerators, toilets).

3. Increasing the shelf life of meat, vegetables in refrigerators, food and other operations.

4. Medical practice (burns, dental problems).

5. Agriculture (eg warehouses, greenhouses).

Claims (3)

PATENT CLAIMS A method for destroying microorganisms for disinfecting air, eliminating odors in refrigerators and toilets, increasing the shelf life of meat and vegetables and in agriculture, characterized in that the microorganisms are treated simultaneously with ozone, positive and negative ions and nanoparticles of infectious metal des20 dispersed in a suitable carrier gas, which includes cold plasma. Method for the preparation of a disinfection gas as defined in claim 1, characterized in that it is produced in a mode-controlled high-voltage spark gap whose electrodes comprise a disinfecting metal or an alloy thereof. Rotary spark gap for carrying out the method according to claim 2, characterized in that it consists of two conductive electrodes (1) with a surface dielectric layer (2), which are embedded in the plastic armature of the fan (3) and between which is an insulator layer (4). ); and a short-circuiting electrode (7) from which nanoparticles of its material are sprayed. 1 drawing