CN111888490A - Ultraviolet irradiation method for removing viruses on melt-blown cloth and operation steps thereof - Google Patents
Ultraviolet irradiation method for removing viruses on melt-blown cloth and operation steps thereof Download PDFInfo
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- CN111888490A CN111888490A CN202010546156.5A CN202010546156A CN111888490A CN 111888490 A CN111888490 A CN 111888490A CN 202010546156 A CN202010546156 A CN 202010546156A CN 111888490 A CN111888490 A CN 111888490A
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- box
- ozone
- melt
- sterilization
- sterilization box
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- 239000004744 fabric Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 25
- 241000700605 Viruses Species 0.000 title claims abstract description 10
- 230000001954 sterilising effect Effects 0.000 claims abstract description 103
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 88
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 55
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 19
- 239000001301 oxygen Substances 0.000 claims description 19
- 229910052760 oxygen Inorganic materials 0.000 claims description 19
- 238000005260 corrosion Methods 0.000 claims description 13
- 230000007797 corrosion Effects 0.000 claims description 13
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 9
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- A61L2/04—Heat
- A61L2/06—Hot gas
- A61L2/07—Steam
-
- 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
-
- 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
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/20—Gaseous substances, e.g. vapours
- A61L2/202—Ozone
-
- 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
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/20—Targets to be treated
- A61L2202/26—Textiles, e.g. towels, beds, cloths
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses an ultraviolet irradiation method for removing virus on melt-blown fabric and an operation step thereof, belonging to the technical field of melt-blown fabric sterilization, and the method comprises the following steps: the first step is as follows: the method comprises the steps of adding the melt-blown cloth to be treated into a closed sterilization box, generating high-temperature steam by using a high-temperature steam engine, conveying the high-temperature steam into the closed sterilization box, contacting the high-temperature steam with the melt-blown cloth, primarily sterilizing the melt-blown cloth for 15-30min, and stopping the high-temperature steam engine after the operation is finished.
Description
Technical Field
The invention relates to the technical field of meltblown sterilization, in particular to an ultraviolet irradiation method for removing viruses on meltblown and operation steps thereof.
Background
The meltblown fabric is the most checked component in mask production, the meltblown fabric needs to be sterilized when in use, ethylene oxide sterilization is generally adopted, however, ethylene oxide residues exist on the meltblown fabric after sterilization, respiratory tracts are stimulated, carcinogens exist on the meltblown fabric, so that the residual ethylene oxide is released in an analytic mode to reach a safe content standard, and the meltblown fabric can only leave a factory and come into the market after being detected to be qualified, which is troublesome.
Disclosure of Invention
The present invention is directed to a UV irradiation method for removing viruses on meltblown fabric and the operation steps thereof, so as to solve the problems mentioned in the background art
In order to achieve the purpose, the invention provides the following technical scheme: an ultraviolet irradiation method for removing viruses on melt-blown cloth and an operation step thereof comprise the following steps:
the first step is as follows: adding the melt-blown fabric to be treated into a closed sterilization box, generating high-temperature steam by using a high-temperature steam engine, conveying the high-temperature steam into the closed sterilization box, contacting with the melt-blown fabric, primarily sterilizing the melt-blown fabric for 15-30min, and stopping the high-temperature steam engine after finishing;
the second step is that: adding oxygen into the other group of box bodies, and irradiating the oxygen in the box bodies through ultraviolet rays to activate and dissociate a part of oxygen molecules into oxygen atoms so as to form ozone;
the third step: detecting the concentration of ozone in the box body through ozone concentration detection equipment, and when the concentration of the ozone reaches 10-15ppm, introducing the ozone in the box body into a closed sterilization box to sterilize the melt-blown fabric for 15-30 min;
the fourth step: and then, sterilizing the meltblown in the closed sterilization box again by using the sterilizing light waves, ventilating the sealed sterilization box by using external circulating ventilation equipment after the work is finished, so that the meltblown is circulated and ventilated for 5-6h, opening the sealed sterilization box after the work is finished, and taking out the meltblown for direct use.
Preferably, the sterilization box and the box body in the first step and the second step are corrosion-resistant box bodies, and the corrosion-resistant box bodies are ferrochrome alloy box bodies.
Preferably, the humidity inside the sterilization box in the third step of ozone sterilization is more than 70%, and the temperature inside the sterilization box is 10-20 ℃.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through an ultraviolet irradiation method, a part of oxygen molecules are activated and dissociated into oxygen atoms by using ultraviolet irradiation dry oxygen, so that ozone is formed, and sterilization and disinfection are carried out through generated ozone and sterilization light waves, so that the meltblown fabric can be directly used after being circularly ventilated for 5-6 hours, thereby saving time compared with the conventional process, improving the production efficiency, reducing liquid sterilization pollution, simultaneously having a good gas permeation effect, realizing more thorough sterilization and increasing the meltblown fabric sterilization effect.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The invention provides a technical scheme that: an ultraviolet irradiation method for removing viruses on melt-blown cloth and an operation step thereof comprise the following steps:
example 1:
the first step is as follows: adding the melt-blown fabric to be treated into a closed sterilization box, generating high-temperature steam by using a high-temperature steam engine, conveying the high-temperature steam into the closed sterilization box, contacting the high-temperature steam with the melt-blown fabric, preliminarily sterilizing the melt-blown fabric for 15-30min, and stopping the high-temperature steam engine after finishing the operation, wherein the temperature of the high-temperature steam is 122 ℃;
the second step is that: adding oxygen into the other group of box body, irradiating the oxygen in the box body by ultraviolet rays, so that a part of oxygen molecules are activated and dissociated into oxygen atoms to form ozone, wherein the device for generating the ultraviolet rays can be a device capable of emitting the ultraviolet rays, such as an ultraviolet lamp;
the third step: the ozone concentration detection device is an ozone detector and is used for detecting the concentration of ozone so as to ensure the ozone sterilization effect, when the concentration of ozone reaches 10ppm, the ozone in the box body is guided into the closed sterilization box to sterilize the melt-blown cloth for 15-30min, after the ozone sterilization is finished, the ozone is pumped out of the sterilization box through the air pumping device, and the ozone needs to be dried in the process of being input into the sterilization box;
the fourth step: and then, sterilizing the meltblown in the closed sterilization box again by using the sterilizing light waves, ventilating the sealed sterilization box by using external circulating ventilation equipment after the work is finished, so that the meltblown is circulated and ventilated for 5-6h, opening the sealed sterilization box after the work is finished, and taking out the meltblown for direct use.
The sterilization box and the box body in the first step and the second step are corrosion-resistant box bodies, the corrosion-resistant box bodies are ferrochrome alloy box bodies, and the corrosion-resistant box bodies are ferrochrome alloy containing 25% of Cr and can also be stainless steel containing 25% of Cr;
and thirdly, in the ozone sterilization process, the humidity inside the sterilization box is more than 70%, the temperature inside the sterilization box is 10 ℃, and the humidity and the temperature inside the sterilization box are adjusted by utilizing the humidifying equipment and the temperature adjusting equipment, so that the temperature inside the sterilization box is low and the humidity is high in the ozone sterilization process, and the ozone sterilization effect is improved.
Example 2:
the first step is as follows: adding the melt-blown fabric to be treated into a closed sterilization box, generating high-temperature steam by using a high-temperature steam engine, conveying the high-temperature steam into the closed sterilization box, contacting the high-temperature steam with the melt-blown fabric, preliminarily sterilizing the melt-blown fabric for 15-30min, and stopping the high-temperature steam engine after finishing the operation, wherein the temperature of the high-temperature steam is 122 ℃;
the second step is that: adding oxygen into the other group of box body, irradiating the oxygen in the box body by ultraviolet rays, so that a part of oxygen molecules are activated and dissociated into oxygen atoms to form ozone, wherein the device for generating the ultraviolet rays can be a device capable of emitting the ultraviolet rays, such as an ultraviolet lamp;
the third step: the ozone concentration detection device is an ozone detector and is used for detecting the concentration of ozone so as to ensure the ozone sterilization effect, when the concentration of ozone reaches 12ppm, the ozone in the box body is guided into the closed sterilization box to sterilize the melt-blown cloth for 15-30min, after the ozone sterilization is finished, the ozone is pumped out of the sterilization box through the air pumping device, and the ozone needs to be dried in the process of being input into the sterilization box;
the fourth step: and then, sterilizing the meltblown in the closed sterilization box again by using the sterilizing light waves, ventilating the sealed sterilization box by using external circulating ventilation equipment after the work is finished, so that the meltblown is circulated and ventilated for 5-6h, opening the sealed sterilization box after the work is finished, and taking out the meltblown for direct use.
The sterilization box and the box body in the first step and the second step are corrosion-resistant box bodies, the corrosion-resistant box bodies are ferrochrome alloy box bodies, and the corrosion-resistant box bodies are ferrochrome alloy containing 25% of Cr and can also be stainless steel containing 25% of Cr;
and thirdly, in the ozone sterilization process, the humidity inside the sterilization box is more than 70%, the temperature inside the sterilization box is 15 ℃, and the humidity and the temperature inside the sterilization box are adjusted by utilizing the humidifying equipment and the temperature adjusting equipment, so that the temperature inside the sterilization box is low and the humidity is high in the ozone sterilization process, and the ozone sterilization effect is improved.
Example 3:
the first step is as follows: adding the melt-blown fabric to be treated into a closed sterilization box, generating high-temperature steam by using a high-temperature steam engine, conveying the high-temperature steam into the closed sterilization box, contacting the high-temperature steam with the melt-blown fabric, preliminarily sterilizing the melt-blown fabric for 15-30min, and stopping the high-temperature steam engine after finishing the operation, wherein the temperature of the high-temperature steam is 122 ℃;
the second step is that: adding oxygen into the other group of box body, irradiating the oxygen in the box body by ultraviolet rays, so that a part of oxygen molecules are activated and dissociated into oxygen atoms to form ozone, wherein the device for generating the ultraviolet rays can be a device capable of emitting the ultraviolet rays, such as an ultraviolet lamp;
the third step: the ozone concentration detection device is an ozone detector and is used for detecting the concentration of ozone so as to ensure the ozone sterilization effect, when the concentration of ozone reaches 15ppm, the ozone in the box body is guided into the closed sterilization box to sterilize the melt-blown cloth for 15-30min, after the ozone sterilization is finished, the ozone is pumped out of the sterilization box through the air pumping device, and the ozone needs to be dried in the process of being input into the sterilization box;
the fourth step: and then, sterilizing the meltblown in the closed sterilization box again by using the sterilizing light waves, ventilating the sealed sterilization box by using external circulating ventilation equipment after the work is finished, so that the meltblown is circulated and ventilated for 5-6h, opening the sealed sterilization box after the work is finished, and taking out the meltblown for direct use.
The sterilization box and the box body in the first step and the second step are corrosion-resistant box bodies, the corrosion-resistant box bodies are ferrochrome alloy box bodies, and the corrosion-resistant box bodies are ferrochrome alloy containing 25% of Cr and can also be stainless steel containing 25% of Cr;
and thirdly, in the ozone sterilization process, the humidity inside the sterilization box is more than 70%, the temperature inside the sterilization box is 20 ℃, and the humidity and the temperature inside the sterilization box are adjusted by utilizing the humidifying equipment and the temperature adjusting equipment, so that the temperature inside the sterilization box is low and the humidity is high in the ozone sterilization process, and the ozone sterilization effect is improved.
The invention utilizes the oxygen dried by ultraviolet irradiation to activate and dissociate a part of oxygen molecules into oxygen atoms so as to form ozone, utilizes the generated ozone and sterilization light waves to sterilize and disinfect, can be directly used after circulating ventilation for 5-6 hours, saves time compared with the conventional process, reduces the liquid sterilization pollution, and has good gas permeation effect and more thorough sterilization.
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 (3)
1. An ultraviolet irradiation method for removing viruses on melt-blown cloth and an operation step thereof are characterized in that: the method comprises the following steps:
the first step is as follows: adding the melt-blown fabric to be treated into a closed sterilization box, generating high-temperature steam by using a high-temperature steam engine, conveying the high-temperature steam into the closed sterilization box, contacting with the melt-blown fabric, primarily sterilizing the melt-blown fabric for 15-30min, and stopping the high-temperature steam engine after finishing;
the second step is that: adding oxygen into the other group of box bodies, and irradiating the oxygen in the box bodies through ultraviolet rays to activate and dissociate a part of oxygen molecules into oxygen atoms so as to form ozone;
the third step: detecting the concentration of ozone in the box body through ozone concentration detection equipment, and when the concentration of the ozone reaches 10-15ppm, introducing the ozone in the box body into a closed sterilization box to sterilize the melt-blown fabric for 15-30 min;
the fourth step: and then, sterilizing the meltblown in the closed sterilization box again by using the sterilizing light waves, ventilating the sealed sterilization box by using external circulating ventilation equipment after the work is finished, so that the meltblown is circulated and ventilated for 5-6h, opening the sealed sterilization box after the work is finished, and taking out the meltblown for direct use.
2. The UV irradiation method and the operating steps thereof for removing viruses on meltblown fabric according to claim 1, wherein: the sterilization box and the box body in the first step and the second step are both corrosion-resistant box bodies, and the corrosion-resistant box bodies are ferrochrome alloy box bodies.
3. The UV irradiation method and the operating steps thereof for removing viruses on meltblown fabric according to claim 1, wherein: in the third step of ozone sterilization, the humidity inside the sterilization box is more than 70%, and the temperature inside the sterilization box is 10-20 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010546156.5A CN111888490A (en) | 2020-06-16 | 2020-06-16 | Ultraviolet irradiation method for removing viruses on melt-blown cloth and operation steps thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010546156.5A CN111888490A (en) | 2020-06-16 | 2020-06-16 | Ultraviolet irradiation method for removing viruses on melt-blown cloth and operation steps thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111888490A true CN111888490A (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010546156.5A Pending CN111888490A (en) | 2020-06-16 | 2020-06-16 | Ultraviolet irradiation method for removing viruses on melt-blown cloth and operation steps thereof |
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| CN (1) | CN111888490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112626874A (en) * | 2020-12-07 | 2021-04-09 | 安徽鸿狮环保科技有限公司 | Environment-friendly PP melt-blown fabric production process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009082359A (en) * | 2007-09-28 | 2009-04-23 | Iwasaki Electric Co Ltd | Sterilization apparatus |
| CN101774717A (en) * | 2010-01-12 | 2010-07-14 | 郑州大学 | Method for treating waste liquor of biology laboratory |
| CN208823507U (en) * | 2017-12-12 | 2019-05-07 | 青岛西交蓝海科技有限公司 | A kind of portable germicidal chlorination equipment |
| CN209316579U (en) * | 2017-07-07 | 2019-08-30 | 王爱华 | A kind of supply room sterilization care device preventing nosocomial infection |
| CN209475196U (en) * | 2018-01-12 | 2019-10-11 | 青岛海尔智慧厨房电器有限公司 | A kind of disinfection cabinet |
-
2020
- 2020-06-16 CN CN202010546156.5A patent/CN111888490A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009082359A (en) * | 2007-09-28 | 2009-04-23 | Iwasaki Electric Co Ltd | Sterilization apparatus |
| CN101774717A (en) * | 2010-01-12 | 2010-07-14 | 郑州大学 | Method for treating waste liquor of biology laboratory |
| CN209316579U (en) * | 2017-07-07 | 2019-08-30 | 王爱华 | A kind of supply room sterilization care device preventing nosocomial infection |
| CN208823507U (en) * | 2017-12-12 | 2019-05-07 | 青岛西交蓝海科技有限公司 | A kind of portable germicidal chlorination equipment |
| CN209475196U (en) * | 2018-01-12 | 2019-10-11 | 青岛海尔智慧厨房电器有限公司 | A kind of disinfection cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112626874A (en) * | 2020-12-07 | 2021-04-09 | 安徽鸿狮环保科技有限公司 | Environment-friendly PP melt-blown fabric production process |
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Application publication date: 20201106 |
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