CN110180006B - Sterilizing device with nano silver wires - Google Patents
Sterilizing device with nano silver wires Download PDFInfo
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- CN110180006B CN110180006B CN201810154777.1A CN201810154777A CN110180006B CN 110180006 B CN110180006 B CN 110180006B CN 201810154777 A CN201810154777 A CN 201810154777A CN 110180006 B CN110180006 B CN 110180006B
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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
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/23—Solid substances, e.g. granules, powders, blocks, tablets
- A61L2/232—Solid substances, e.g. granules, powders, blocks, tablets layered or coated
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention provides a sterilizing device with nano silver wires, which comprises a containing device, and the nano silver wires and a liquid carrier which are arranged in the containing device, wherein the ratio of the nano silver wires to the liquid carrier is limited to 1-25 g/L mainly by limiting the proportion of the nano silver wires to the liquid carrier, so that the nano silver wires have better release rate of silver ions in the liquid carrier, and the sterilizing rate is greatly improved.
Description
Technical Field
The invention relates to a device for releasing silver ions through liquid and used for disinfection, sterilization or deodorization, in particular to a related product of a nano silver wire structure.
Background
In recent years, with the improvement of living standards, the requirements of people on the sanitation of living environment and the safety of food are greatly improved, such as the sanitation of bathrooms and toilets, the sterilization and deodorization of objects next to the skin, the washing and sterilization of washing clothes or the bacteriostasis of food materials, however, most of the common antibacterial series products on the market at present mainly use bleaching water, and the common antibacterial series products mainly use chloride ions to achieve the bacteriostasis effect, but the side effects caused after the use, such as skin stimulation, lung injury and allergy induction, cause great harm to users, so that the nano-silver sterilizing device cannot be widely applied, and the nano-silver sterilizing device is convenient to use, can be repeatedly used, has a good bacteriostasis effect, a wide application range and an excellent release rate.
Disclosure of Invention
The invention provides a sterilizing device with nano silver wires, which mainly aims to enable the sterilizing device with the nano silver wires to have better release rate and sterilizing rate.
To achieve the above object, the present invention provides a sterilization apparatus having silver nanowires, comprising:
a containing device, which is provided with a containing space for containing a liquid carrier;
at least two nano silver wires arranged in the containing space, wherein the nano silver wires comprise a substrate layer and a nano silver film layer, the nano silver film layer is coated on one side of the substrate layer, and the ratio of the nano silver wires to the liquid carrier is 1-25 g/L.
Preferably, the packaging bag further comprises a covering bag arranged in the accommodating space, the at least two nano silver wires are accommodated in the covering bag, and the covering bag is provided with a pore which is permeable to water and air.
Preferably, the thickness of the substrate layer is between 36 and 40 μm, and the thickness of the nano-silver thin film layer is between 180nm and 200 nm.
Preferably, the ratio of the nano silver wires to the liquid carrier is 5 g/L.
Preferably, the nano-silver thin film layer is composed of at least two nano-silver microparticles, and the particle size length of each nano-silver microparticle is 10-180 nm.
Therefore, the ratio of the nano silver wire to the liquid carrier L is limited to 1-25 g/L mainly by limiting the ratio of the nano silver wire to the liquid carrier L, so that the nano silver wire can be released in the liquid carrier L at a better release rate of silver ions, and the sterilization rate is improved.
Drawings
Fig. 1 is a schematic view of the silver nanowires of the present invention placed in a coating bag.
Fig. 2 is a schematic diagram of the structure of the silver nanowire of the present invention.
Fig. 3 is a schematic view of one aspect of the sterilization apparatus with silver nanowires of the present invention.
Fig. 4 is a cross-sectional view of one aspect of the sterilization apparatus having silver nanowires according to the present invention.
Fig. 5 is a schematic view of another embodiment of the sterilization apparatus with silver nanowires according to the present invention.
Fig. 6 is a cross-sectional view of another embodiment of the sterilization apparatus having silver nanowires according to the present invention.
Fig. 7 is a schematic view of another embodiment of the sterilization apparatus with silver nanowires according to the present invention.
Fig. 8 is a sectional view of still another embodiment of the sterilization apparatus having silver nanowires according to the present invention.
Fig. 9 is a schematic view of another embodiment of the sterilization apparatus with silver nanowires according to the present invention.
Fig. 10 is a sectional view of another embodiment of the sterilization apparatus having silver nanowires according to the present invention.
Reference numerals indicate the same.
Accommodating device 10
Accommodating space 11
Wrapping bag 20
Silver nanowires 30
Nano silver thin film layer 32
Nano silver microparticles 321
A liquid carrier L.
Detailed Description
The present invention provides a sterilization apparatus having a nano silver wire, as shown in fig. 1 to 10, including:
a container 10 having a receiving space 11, the receiving space 11 being used for receiving a liquid carrier L, in this embodiment, the liquid carrier L is water, the container 10 can be a sphere, a bottle, etc., in one embodiment, as shown in fig. 3 and 4, the container 10 is a washing ball, the container 10 has at least two holes 12, the holes 12 are communicated with the receiving space 11, so that the liquid carrier L can enter the receiving space 11 from the holes 12 for sterilization and then be discharged from the holes 12, in another embodiment, as shown in fig. 5 and 6, the container 10 is a water filter, the container 10 has a water inlet 13A and a water outlet 13B, the water inlet 13A and the water outlet 13B are respectively communicated with the receiving space 11, the liquid carrier L can enter the receiving space 11 from the water inlet 13A, after being filtered, the liquid carrier is discharged from the water outlet 13B, in another embodiment, as shown in fig. 7 and 8, the accommodating device 10 is a pot-shaped container with a spray head 14, and the liquid carrier L can be sprayed out through the spray head 14 after being sterilized, and in another embodiment, as shown in fig. 9 and 10, the accommodating device 10 is arranged in a shower head, so that the liquid carrier L flowing through the shower head is sterilized;
a covering bag 20 disposed in the accommodating space 11, the covering bag 20 having at least two water-permeable and air-permeable pores 21, in this embodiment, the covering bag 20 is a grid-shaped bag body;
at least two nano silver wires 30 arranged in the wrapping bag 20, wherein the nano silver wires 30 comprise a substrate layer 31 and a nano silver thin film layer 32, the nano silver thin film layer 32 is coated on one side of the substrate layer 31, the thickness of the substrate layer 31 is 36 to 40 μm, the thickness of the nano silver thin film layer 32 is 180nm to 200nm, the nano silver thin film layer 32 is composed of at least two nano silver microparticles 321, the particle size length of each nano silver microparticle 321 is 10 to 180nm, in a preferred embodiment, the particle size length of each nano silver microparticle 321 is in an interval of 10 to 11nm and 76 to 80nm, in the embodiment, the ratio of the nano silver wires 30 to the liquid carrier L is 1 to 25g/L, and in a preferred embodiment, the ratio of the nano silver wires 30 to the liquid carrier L is 5 g/L;
the release rate of the silver nanowires 30 obtained by different ratios of the silver nanowires 30 to the liquid carrier L and different soaking times can be compared through the following experiments:
when the ratio of the nano silver wire 30 to the liquid carrier L is 1g/L, silver ions with the concentration of 0.016ppm can be released within 10 minutes, silver ions with the concentration of 0.024ppm can be released after 30 minutes, and silver ions with the concentration of 0.065ppm can be released within 24 hours;
when the ratio of the nano silver wire 30 to the liquid carrier L is 2.5g/L, silver ions with the concentration of 0.045ppm can be released within 10 minutes, and silver ions with the concentration of 0.123ppm can be released after 30 minutes;
when the ratio of the nano silver wire 30 to the liquid carrier L is 5g/L, silver ions with the concentration of 0.108ppm can be released within 10 minutes, and silver ions with the concentration of 0.143ppm can be released after 30 minutes;
when the ratio of the nano silver wire 30 to the liquid carrier L is 25g/L, silver ions with the concentration of 0.134ppm can be released within 10 minutes, and silver ions with the concentration of 0.179ppm can be released after 30 minutes;
the ratio of the silver nanowires 30 to the liquid carrier L is limited to achieve the effect of high silver ion release rate, and under the condition of high silver ion release rate, excellent sterilization effect can be achieved, the ratio of the silver nanowires 30 to the liquid carrier is 5g/L, the example of soaking for 40 minutes is taken, the concentration of released silver ions is 0.143ppm, and sterilization tests performed under the conditions show that the bacteria number of escherichia coli can be from 2.0 multiplied by 10 for the escherichia coli5Reduced to 1.2X 103The sterilization rate is as high as 99.4%; for example, Staphylococcus aureus can be selected from 1.5 × 105Reduced to 1.1X 104The sterilization rate can reach 92.7 percent.
Taking the ratio of the nano silver wire 30 to the liquid carrier L as 2.5g/L and soaking for 40 minutes as an example, the concentration of the released nano silver ions is 0.123ppm, and the sterilization test under the conditions can find that the bacteria number of the escherichia coli can be from 2.2 multiplied by 10 for the escherichia coli as an example6Reduced to 9.2X 105The sterilization rate can reach 58.2%; for example, Staphylococcus aureus can be selected from 2.8 × 104Reduced to 1.9X 104The sterilization rate can reach 32.1%.
As can be seen from the foregoing, the ratio of the silver nanowires 30 to the liquid carrier L is limited to 1-25 g/L, so that the silver nanowires 30 can be released in the liquid carrier L at a better rate, thereby improving the sterilization rate.
Claims (3)
1. A sterilization device with nano silver wires is characterized by comprising:
a containing device, which is provided with a containing space for containing a liquid carrier;
at least two nano-silver wires arranged in the accommodating space, wherein each nano-silver wire comprises a substrate layer and a nano-silver film layer, the nano-silver film layer is coated on one side of the substrate layer, and the ratio of the nano-silver wires to the liquid carrier is 5 g/L;
the thickness of the substrate layer is between 36 and 40 mu m, and the thickness of the nano-silver thin film layer is between 180nm and 200 nm;
the liquid carrier is water.
2. The sterilizer apparatus with nanosilver wires according to claim 1, further comprising a covering bag disposed in the accommodating space, wherein the at least two nanosilver wires are accommodated in the covering bag, and the covering bag has a water-permeable and air-permeable pore.
3. The sterilization apparatus having silver nanowires as claimed in claim 1, wherein the silver nanowire thin film layer is composed of at least two silver nanoparticles, and the length of each silver nanoparticle is 10-180 nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810154777.1A CN110180006B (en) | 2018-02-23 | 2018-02-23 | Sterilizing device with nano silver wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810154777.1A CN110180006B (en) | 2018-02-23 | 2018-02-23 | Sterilizing device with nano silver wires |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110180006A CN110180006A (en) | 2019-08-30 |
| CN110180006B true CN110180006B (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810154777.1A Active CN110180006B (en) | 2018-02-23 | 2018-02-23 | Sterilizing device with nano silver wires |
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| CN (1) | CN110180006B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005115356A3 (en) * | 2004-05-25 | 2007-04-26 | Microlin L C | Anti-microbial handle system |
| CN201798943U (en) * | 2010-09-16 | 2011-04-20 | 农宝企业有限公司 | Silver wire activated bacteriostatic filter medium bag |
| CN204890697U (en) * | 2015-03-13 | 2015-12-23 | 华阳新兴科技（天津）集团有限公司 | Controllable sustained -release devices of chlorine dioxide |
-
2018
- 2018-02-23 CN CN201810154777.1A patent/CN110180006B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005115356A3 (en) * | 2004-05-25 | 2007-04-26 | Microlin L C | Anti-microbial handle system |
| CN201798943U (en) * | 2010-09-16 | 2011-04-20 | 农宝企业有限公司 | Silver wire activated bacteriostatic filter medium bag |
| CN204890697U (en) * | 2015-03-13 | 2015-12-23 | 华阳新兴科技（天津）集团有限公司 | Controllable sustained -release devices of chlorine dioxide |
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| Publication number | Publication date |
|---|---|
| CN110180006A (en) | 2019-08-30 |
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