CN111658798A - Mask disinfection and sterilization method based on plasma - Google Patents
Mask disinfection and sterilization method based on plasma Download PDFInfo
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- CN111658798A CN111658798A CN202010543567.9A CN202010543567A CN111658798A CN 111658798 A CN111658798 A CN 111658798A CN 202010543567 A CN202010543567 A CN 202010543567A CN 111658798 A CN111658798 A CN 111658798A
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- 238000000034 method Methods 0.000 title claims abstract description 75
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 37
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 claims abstract description 17
- 241000894006 Bacteria Species 0.000 claims abstract description 10
- 241000700605 Viruses Species 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims abstract description 10
- 238000005086 pumping Methods 0.000 claims abstract description 6
- 239000003570 air Substances 0.000 claims description 55
- 239000007789 gas Substances 0.000 claims description 27
- 239000007921 spray Substances 0.000 claims description 25
- 238000007599 discharging Methods 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 10
- 238000004806 packaging method and process Methods 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 230000000249 desinfective effect Effects 0.000 claims 3
- 239000002245 particle Substances 0.000 abstract description 24
- 150000002500 ions Chemical class 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000005281 excited state Effects 0.000 abstract description 5
- 230000036541 health Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 231100000956 nontoxicity Toxicity 0.000 abstract 1
- 210000002381 plasma Anatomy 0.000 description 117
- 125000004429 atom Chemical group 0.000 description 8
- 230000007935 neutral effect Effects 0.000 description 8
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 238000010924 continuous production Methods 0.000 description 3
- 239000003574 free electron Substances 0.000 description 3
- 231100000252 nontoxic Toxicity 0.000 description 3
- 230000003000 nontoxic effect Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 241000712461 unidentified influenza virus Species 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/14—Plasma, i.e. ionised gases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/30—Plasma torches using applied electromagnetic fields, e.g. high frequency or microwave energy
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention relates to the technical field of mask disinfection, and discloses a plasma-based mask disinfection and sterilization method, which comprises a method A and a method B: the method A comprises the following specific steps: (1) putting the mask to be sterilized into a plasma generator; (2) starting the mechanical pump, pumping air in the cavity of the plasma generator, maintaining the gas pressure of the cavity below 5Pa, introducing working gas, replacing the air in the cavity for three times, and then maintaining the pressure of the cavity below 5 Pa. The invention realizes energy transfer by the action of active particles with high energy such as various ions, free radicals, photons, electrons, excited state atoms, molecules and the like in the low-temperature plasma on the surface of the mask, removes bacteria and viruses in the mask, realizes the disinfection and sterilization of the mask by the plasma, has no toxicity and harm in the whole process, can not influence the body health of a wearer, can continuously produce, and is beneficial to improving the production efficiency of the mask.
Description
Technical Field
The invention relates to the technical field of mask disinfection, in particular to a plasma-based mask disinfection and sterilization method.
Background
In the period of influenza virus outbreak, people mostly wear the mask when going out, the mask is in the production process, ethylene oxide needs to be used for disinfection and sterilization, ethylene oxide is an organic compound and is often used for manufacturing a bactericide, ethylene oxide is also a toxic carcinogen, the mask can be used after being placed for about 14 days after being disinfected and sterilized by ethylene oxide, the production of the mask is influenced, and the health of a wearer is influenced if ethylene oxide is remained in the daily use process of the mask, so that a disinfection and sterilization method of the mask is urgently needed to solve the problems.
The plasma is a basic form widely existing in other substances than gas, liquid and solid, and is called as a fourth state of the substance, the plasma is a non-condensed system generated by partially or completely ionizing gas by means of heating, external electric field, laser irradiation, combustion, shock wave and the like under specific conditions, the plasma is composed of neutral atoms or molecules, excited atoms or molecules, free radicals, electrons or negative ions, positive ions and radiation photons, the number of positive and negative charges in the system is equal, the whole system is electrically neutral,
the state of the plasma depends mainly on its constituent particles, particle density and particle temperature. Plasmas can be divided into two broad categories, thermal equilibrium plasmas and non-equilibrium plasmas, depending on their particle temperature. Plasmas in which the electron temperature and the ion temperature are equal are called thermal equilibrium plasmas, and when the electron temperature is far higher than the ion temperature, plasmas are called non-equilibrium plasmas, the electron temperature can be as high as 10000K or more, while the temperature of heavy particles such as ions and atoms can be as low as 300-500K, therefore, according to the temperature of heavy particles, also called low-temperature plasma, the plasma is generally formed under the low-pressure condition of 10KPa, when gas is discharged, free electrons are accelerated under the action of an external electric field, the energy of the free electrons is transferred to neutral atoms and molecules through collision, the reactant molecules are excited, dissociated and ionized to generate more secondary free electrons and more neutral particles, and finally the gas becomes a conductive medium to form current, but the reaction system can keep low temperature even close to room temperature, thereby being widely applied.
Therefore, a plasma-based mask disinfection and sterilization method is provided.
Disclosure of Invention
Solves the technical problem
Aiming at the defects of the prior art, the invention provides a mask disinfection and sterilization method based on plasma.
Technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a mask disinfection and sterilization method based on plasma comprises a method A and a method B:
the method A comprises the following specific steps:
(1) putting the mask to be sterilized into a plasma generator;
(2) starting a mechanical pump, pumping air in a cavity of the plasma generator, maintaining the gas pressure of the cavity below 5Pa, introducing working gas, replacing the air in the cavity for three times, and then maintaining the pressure of the cavity below 5 Pa;
(3) starting a plasma power supply, discharging working gas between electrodes of a plasma generator to generate plasma, wherein the plasma comprises high-activity oxygen atoms, electrons, excited oxygen molecules and ultraviolet light;
(4) the generated plasma reacts with bacteria and viruses in the mask and is discharged from the plasma generator;
(5) after the reaction is finished, stopping discharging, introducing air, maintaining the air pressure in the reactor cavity at normal pressure, taking out the sterilized mask from the generator, and after the sterilization is finished, entering the next procedure for packaging;
the method B comprises the following specific steps:
(1) placing the mask to be sterilized at 2cm of the outlet of a spray gun of the plasma generator;
(2) introducing air into a spray gun of the plasma generator, wherein the air pressure at the outlet of the spray gun is maintained at 1 atm;
(3) starting a plasma power supply, discharging air between electrodes of a plasma generator to generate plasma, wherein the plasma comprises high-activity oxygen atoms, electrons, excited oxygen molecules and ultraviolet light, and the plasma is sprayed out from an outlet of a spray gun under the action of air flow of the air to form flame plasma;
(4) the generated flame plasma reacts with the mask to be sterilized and disinfected and is discharged from the plasma generator;
(5) after the reaction is finished, stopping discharging, introducing air, maintaining the spray gun of the plasma generator at normal pressure, and placing the sterilized mask in the next process for packaging.
Preferably, the working gas includes air, argon, nitrogen and oxygen.
Preferably, the plasma power supply in the method A is a radio frequency power supply, the frequency is 13.56MHz, and the power is 0-2000W.
Preferably, the discharge time in the method A is 0-600 seconds.
Preferably, the plasma power supply in the method B is a high-frequency power supply, the frequency is 40kHz, and the power is 0-2000W.
Preferably, the discharge time in the method B is 1-30 seconds.
Preferably, the plasma generator includes a vacuum plasma generator and an atmospheric pressure plasma generator.
Advantageous effects
The invention provides a plasma-based mask disinfection and sterilization method, which has the following beneficial effects:
the invention utilizes active particles with high energy such as various ions, free radicals, photons, electrons, excited state atoms, molecules and the like in low-temperature plasma to exchange energy with the surface of the mask, the active particles (mainly charged particles and neutral particles) collide and the light radiation (mainly ultraviolet light) acts on the surface of the mask, and bacteria and viruses in the mask are removed in the process of energy transfer, so that the mask is sterilized by the plasma.
Drawings
FIG. 1 is a schematic view of the process A of the present invention;
FIG. 2 is a schematic view of the method B of the present invention.
Detailed Description
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Further explaining a technical scheme provided by the invention:
a mask disinfection and sterilization method based on plasma comprises a method A and a method B:
the method A comprises the following specific steps:
(1) putting the mask to be sterilized into a plasma generator;
(2) starting a mechanical pump, pumping air in a cavity of the plasma generator, maintaining the gas pressure of the cavity below 5Pa, introducing working gas (comprising air, argon, nitrogen and oxygen), replacing the air in the cavity for three times, and then maintaining the pressure of the cavity below 5 Pa;
(3) starting a plasma power supply (a radio frequency power supply, the frequency of which is 13.56MHz and the power of which is 0-500W), discharging working gas between electrodes of a plasma generator to generate plasma, wherein the working gas comprises high-activity oxygen atoms, electrons, excited oxygen molecules and ultraviolet light;
(4) the discharge time is 0-600 seconds, and the generated plasma reacts with the bacteria and viruses in the mask and is discharged from the plasma generator;
(5) after the reaction is finished, stopping discharging, introducing air, maintaining the air pressure in the reactor cavity at normal pressure, taking out the sterilized mask from the generator, and after the sterilization is finished, entering the next procedure for packaging;
the method B comprises the following specific steps:
(1) placing the mask to be sterilized at 2cm of the outlet of a spray gun of the plasma generator;
(2) introducing air into a spray gun of the plasma generator, wherein the air pressure at the outlet of the spray gun is maintained at 1 atm;
(3) starting a plasma power supply (a high-frequency power supply, the frequency of which is 40kHz and the power of which is 0-2000W), discharging air between electrodes of a plasma generator to generate plasma, wherein the plasma comprises high-activity oxygen atoms, electrons, excited oxygen molecules and ultraviolet light, and ejecting the plasma from an outlet of a spray gun under the action of air flow of the air to form flame plasma;
(4) the discharge time is 1-30 seconds, the generated flame plasma reacts with the mask to be sterilized and disinfected to finally generate tail gas which is discharged from the plasma generator;
(5) after the reaction is finished, stopping discharging, introducing air, maintaining the spray gun of the plasma generator at normal pressure, and placing the sterilized mask in the next process for packaging.
The plasma generator comprises a vacuum plasma generator and an atmospheric pressure plasma generator.
In conclusion, the invention utilizes active particles with high energy such as various ions, free radicals, photons, electrons, excited state atoms, molecules and the like in low-temperature plasma to exchange energy with the surface of the mask, the active particles (mainly charged particles and neutral particles) collide and light radiation (mainly ultraviolet light) acts on the surface of the mask, bacteria and viruses in the mask are removed in the process of energy transfer, the mask is disinfected and sterilized by the plasma, the whole process is non-toxic and harmless, the produced mask does not affect the body health of a wearer, continuous production can be realized, and the production efficiency of the mask is improved.
Example 1
A mask disinfection and sterilization method based on plasma comprises a method A and a method B:
the method A comprises the following specific steps:
(1) putting the mask to be sterilized into a plasma generator;
(2) starting a mechanical pump, pumping air in a cavity of the plasma generator, maintaining the gas pressure of the cavity below 5Pa, introducing working gas (comprising air, argon, nitrogen and oxygen), replacing the air in the cavity for three times, and then maintaining the pressure of the cavity below 5 Pa;
(3) starting a plasma power supply (a radio frequency power supply, the frequency of which is 13.56MHz and the power of which is 300W), discharging working gas between electrodes of a plasma generator to generate plasma, wherein the working gas comprises high-activity oxygen atoms, electrons, excited oxygen molecules and ultraviolet light;
(4) the discharge time is 300 seconds, and the generated plasma reacts with the bacteria and viruses in the mask and is discharged from the plasma generator;
(5) after the reaction is finished, stopping discharging, introducing air, maintaining the air pressure in the reactor cavity at normal pressure, taking out the sterilized mask from the generator, and after the sterilization is finished, entering the next procedure for packaging;
the method B comprises the following specific steps:
(1) placing the mask to be sterilized at 2cm of the outlet of a spray gun of the plasma generator;
(2) introducing air into a spray gun of the plasma generator, wherein the air pressure at the outlet of the spray gun is maintained at 1 atm;
(3) starting a plasma power supply (a high-frequency power supply, the frequency of which is 40kHz and the power of which is 1200W), discharging air between electrodes of a plasma generator to generate plasma, wherein the plasma comprises high-activity oxygen atoms, electrons, excited oxygen molecules and ultraviolet light, and ejecting the plasma from an outlet of a spray gun under the action of air flow of the air to form flame plasma;
(4) the discharge time is 15 seconds, the generated flame plasma reacts with the mask to be sterilized and disinfected to finally generate tail gas which is discharged from the plasma generator;
(5) after the reaction is finished, stopping discharging, introducing air, maintaining the spray gun of the plasma generator at normal pressure, and placing the sterilized mask in the next process for packaging.
The plasma generator comprises a vacuum plasma generator and an atmospheric pressure plasma generator.
In conclusion, the invention utilizes active particles with high energy such as various ions, free radicals, photons, electrons, excited state atoms, molecules and the like in low-temperature plasma to exchange energy with the surface of the mask, the active particles (mainly charged particles and neutral particles) collide and light radiation (mainly ultraviolet light) acts on the surface of the mask, bacteria and viruses in the mask are removed in the process of energy transfer, the mask is disinfected and sterilized by the plasma, the whole process is non-toxic and harmless, the produced mask does not affect the body health of a wearer, continuous production can be realized, and the production efficiency of the mask is improved.
Example 2
A mask disinfection and sterilization method based on plasma comprises a method A and a method B:
the method A comprises the following specific steps:
(1) putting the mask to be sterilized into a plasma generator;
(2) starting a mechanical pump, pumping air in a cavity of the plasma generator, maintaining the gas pressure of the cavity below 5Pa, introducing working gas (comprising air, argon, nitrogen and oxygen), replacing the air in the cavity for three times, and then maintaining the pressure of the cavity below 5 Pa;
(3) starting a plasma power supply (a radio frequency power supply, the frequency of which is 13.56MHz and the power of which is 480W), discharging working gas between electrodes of a plasma generator to generate plasma, wherein the working gas comprises high-activity oxygen atoms, electrons, excited oxygen molecules and ultraviolet light;
(4) the discharge time is 550 seconds, and the generated plasma reacts with the bacteria and viruses in the mask and is discharged from the plasma generator;
(5) after the reaction is finished, stopping discharging, introducing air, maintaining the air pressure in the reactor cavity at normal pressure, taking out the sterilized mask from the generator, and after the sterilization is finished, entering the next procedure for packaging;
the method B comprises the following specific steps:
(1) placing the mask to be sterilized at 2cm of the outlet of a spray gun of the plasma generator;
(2) introducing air into a spray gun of the plasma generator, wherein the air pressure at the outlet of the spray gun is maintained at 1 atm;
(3) starting a plasma power supply (a high-frequency power supply, the frequency of which is 40kHz and the power of which is 1800W), discharging air between electrodes of a plasma generator to generate plasma, wherein the plasma comprises high-activity oxygen atoms, electrons, excited oxygen molecules and ultraviolet light, and ejecting the plasma from an outlet of a spray gun under the action of air flow of the air to form flame plasma;
(4) the discharge time is 28 seconds, the generated flame plasma reacts with the mask to be sterilized and disinfected to finally generate tail gas which is discharged from the plasma generator;
(5) after the reaction is finished, stopping discharging, introducing air, maintaining the spray gun of the plasma generator at normal pressure, and placing the sterilized mask in the next process for packaging.
The plasma generator comprises a vacuum plasma generator and an atmospheric pressure plasma generator.
In conclusion, the invention utilizes active particles with high energy such as various ions, free radicals, photons, electrons, excited state atoms, molecules and the like in low-temperature plasma to exchange energy with the surface of the mask, the active particles (mainly charged particles and neutral particles) collide and light radiation (mainly ultraviolet light) acts on the surface of the mask, bacteria and viruses in the mask are removed in the process of energy transfer, the mask is disinfected and sterilized by the plasma, the whole process is non-toxic and harmless, the produced mask does not affect the body health of a wearer, continuous production can be realized, and the production efficiency of the mask is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A mask disinfection and sterilization method based on plasma comprises a method A and a method B, and is characterized in that:
the method A comprises the following specific steps:
(1) putting the mask to be sterilized into a plasma generator;
(2) starting a mechanical pump, pumping air in a cavity of the plasma generator, maintaining the gas pressure of the cavity below 5Pa, introducing working gas, replacing the air in the cavity for three times, and then maintaining the pressure of the cavity below 5 Pa;
(3) starting a plasma power supply, discharging working gas between electrodes of a plasma generator to generate plasma, wherein the plasma comprises high-activity oxygen atoms, electrons, excited oxygen molecules and ultraviolet light;
(4) the generated plasma reacts with bacteria and viruses in the mask and is discharged from the plasma generator;
(5) after the reaction is finished, stopping discharging, introducing air, maintaining the air pressure in the reactor cavity at normal pressure, taking out the sterilized mask from the generator, and after the sterilization is finished, entering the next procedure for packaging;
the method B comprises the following specific steps:
(1) placing the mask to be sterilized at 2cm of the outlet of a spray gun of the plasma generator;
(2) introducing air into a spray gun of the plasma generator, wherein the air pressure at the outlet of the spray gun is maintained at 1 atm;
(3) starting a plasma power supply, discharging air between electrodes of a plasma generator to generate plasma, wherein the plasma comprises high-activity oxygen atoms, electrons, excited oxygen molecules and ultraviolet light, and the plasma is sprayed out from an outlet of a spray gun under the action of air flow of the air to form flame plasma;
(4) the generated flame plasma reacts with the mask to be sterilized and disinfected and is discharged from the plasma generator;
(5) after the reaction is finished, stopping discharging, introducing air, maintaining the spray gun of the plasma generator at normal pressure, and placing the sterilized mask in the next process for packaging.
2. The method of claim 1, wherein the working gas comprises air, argon, nitrogen and oxygen.
3. The method for disinfecting and sterilizing a mask according to claim 1, wherein the plasma power source in the method A is a radio frequency power source, the frequency is 13.56MHz, and the power is 0-2000W.
4. The method for disinfecting and sterilizing a mask according to claim 1, wherein in the method a, the discharge time is 0 to 600 seconds.
5. The method of claim 1, wherein the plasma power source in method B is a high frequency power source with a frequency of 40kHz and a power of 0-2000W.
6. The method for disinfecting and sterilizing a mask according to claim 1, wherein the discharge time in the method B is 1 to 30 seconds.
7. The method of claim 1, wherein the plasma generator comprises a vacuum plasma generator and an atmospheric pressure plasma generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010543567.9A CN111658798A (en) | 2020-06-15 | 2020-06-15 | Mask disinfection and sterilization method based on plasma |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010543567.9A CN111658798A (en) | 2020-06-15 | 2020-06-15 | Mask disinfection and sterilization method based on plasma |
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Cited By (1)
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