CN107281508B - A kind of irradiation sterilization method of sterile wet tissue - Google Patents
A kind of irradiation sterilization method of sterile wet tissue Download PDFInfo
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- CN107281508B CN107281508B CN201710698061.3A CN201710698061A CN107281508B CN 107281508 B CN107281508 B CN 107281508B CN 201710698061 A CN201710698061 A CN 201710698061A CN 107281508 B CN107281508 B CN 107281508B
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- wet tissue
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- electron accelerator
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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
- A61L2/08—Radiation
- A61L2/087—Particle radiation, e.g. electron-beam, alpha or beta radiation
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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
- A61L2/025—Ultrasonics
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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
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
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- 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)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The present invention provides a kind of irradiation sterilization method of sterile wet tissue, the following steps are included: wet tissue is stacked in beaker by (1), then beaker is placed in ultrasonic tank reactor, is ultrasonically treated 2 minutes at room temperature, stood 2 minutes after taking-up at room temperature and obtain pretreatment wet tissue；(2) pretreatment wet tissue is stacked in packing case, then packing case is placed in the center of pallet, then pallet is placed on circulating vehicle, opened electron accelerator and carry out two-sided irradiation, taking-up is packaged to be sterile wet tissue.The present invention carries out irradiation sterilization to wet tissue using electron accelerator, and sterilization effect is thorough, and does not have residue.
Description
Technical field
The present invention relates to a kind of irradiation sterilization methods of sterile wet tissue.
Background technique
Wet tissue is Disposable Sanitary Accessory, is chiefly used in such as civil aviaton, hotel, restaurant, exhibition commercial affairs and reception in the past
Place, in recent years as the improvement of people's living standards, the personal consumption amount of wet tissue gradually increases, be mainly used in travelling,
The occasion of the outdoors water inconveniences such as tourism, there are also cleaning-nursings of family infant etc..Wet tissue is mainly by non-woven cloth, dustless
Paper or other raw materials are made by the way that the soak with corresponding function is added.
Wet tissue packaged form in the market mainly has mono-sheet, multi-disc dress, 3 kinds of wound packages.It is " wet in GB/T 27728-2011
Towel " in, it is divided into human body wet tissue and object wet tissue two major classes according to purposes.Human body wet tissue includes that common wet tissue and health are wet
Towel, the hygienic requirements of wet sanitary napkins are higher than common wet tissue；Object wet tissue include kitchen tools wet tissue, toilet wet tissue and other
Purposes wet tissue.With the development in market, the functionality of wet tissue product constantly enhancing, some wet tissues are added to various skin care ingredients,
Such as aloe, green tea, lavender, peppermint.
It currently, generally including the step of the sterilizing that carry out disinfection to wet tissue in the manufacturing process of wet tissue, is gone out with disinfection mostly
Microbial inoculum processing, also useful ultraviolet light is handled, antiseptic sterilization agent processing the problem of be processing after can be residual in wet tissue
Antiseptic sterilization agent is stayed, having the problem of hidden danger, UV treatment to human body is that sterilizing speed is slow, and sterilization effect is not thorough enough.
The Chinese invention of Publication No. CN101347633A, publication date 2009.01.21, application artificial Miao Guoxing, Wu Ping
Disclose " method for producing moisture paper tissue of ozonization ", comprising the following steps: a. non-woven fabrics, three-in-one extrusion coating paper, in dust-free paper
Any one is by being cut into hygenic towelette towel body；B. sterilizing is carried out to above-mentioned towel body using Ozone Water；It c. will sterilization
The towel body disinfected folds, packaging.The invention the problem is that: ozone is extremely easy in decomposition in water, leads to sterilization
Effect cannot be fully up to expectations, and the oxidisability of ozone is stronger, produces adverse effect to the other compositions in wet tissue.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of irradiation sterilization methods of sterile wet tissue, utilize electron accelerator
Irradiation sterilization is carried out to wet tissue, sterilization effect is thorough, and does not have residue.
In order to solve the above technical problems, the technical scheme is that
A kind of irradiation sterilization method of sterile wet tissue, comprising the following steps:
(1) wet tissue is stacked in beaker, then beaker is placed in ultrasonic tank reactor, is ultrasonically treated 2 at room temperature
Minute, 2 minutes are stood after taking-up at room temperature and obtains pretreatment wet tissue；
(2) pretreatment wet tissue is stacked in packing case, then packing case is placed in the center of pallet, then pallet is put
It is placed on circulating vehicle, opens electron accelerator and carry out two-sided irradiation, taking-up is packaged to be sterile wet tissue.
Preferably, in step (1) of the present invention, the power of ultrasonic treatment is 80W, supersonic frequency 30kHz, ultrasonic function
Rate density is 7.1Wcm-2。
Preferably, in step (2) of the present invention, the irradiation dose of two-sided irradiation is 9-18kGy.
Preferably, in step (2) of the present invention, the number that wet tissue is pre-processed in packing case is 80.
Preferably, in step (2) of the present invention, the beam intensity of electron accelerator is 2000 μ A, and pulse repetition is
635pps。
Preferably, in step (2) of the present invention, the irradiation of electron accelerator with a thickness of 30cm, sweep current 3.2A,
Speed is 30mm/s under beam.
The parameter of above-mentioned electron accelerator is for example, in practical operation: when electron accelerator irradiation, irradiation dose
Uniformity it is related with ray energy, the quality of product and thickness；The beam energy of industrial irradiation sterilizing is 10MEV, is
The no two-sided irradiation of progress can judge according to the quality and thickness of product；The irradiation dose of product also has with speed under product beam
Association, can be adjusted correspondingly, to reach best irradiation effect according to speed under different irradiation dose halved ties.
Compared with prior art, the invention has the following advantages:
1) the ribose core of microorganism can be directly or indirectly destroyed when the electron beam that electron accelerator generates acts on microorganism
Acid, protein, enzyme, to kill microorganism, the present invention carries out radiation treatment to wet tissue using electron accelerator, can thoroughly kill
Various bacteriums in wet tissue, and treatment process belongs to physical refining process, does not need addition chemicals, it is not residual after processing
Stay object.
2) density of wet tissue is larger, increases the difficulty of electron accelerator irradiation, if individually improving irradiation dose can lead
Other compositions in wet tissue are caused to be illuminated degradation, therefore the present invention has carried out ultrasonic pretreatment by ultrasound reactor to wet tissue,
The cavitation effect of ultrasonic wave plays activation to each ingredient in wet tissue, is conducive to penetrating for Subsequent electronic beam, thus
Guarantee to reach thorough sterilization effect by the relatively low irradiation dose for not influencing other compositions, and ultrasonic wave itself is to bacterium
Also certain killing effect can be played, therefore can be further improved sterilization effect.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be described in detail, herein illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment 1
The irradiation sterilization method of sterile wet tissue:
(1) wet tissue is stacked in beaker, then beaker is placed in ultrasonic tank reactor, is ultrasonically treated 2 at room temperature
Minute, 2 minutes stood after taking-up at room temperature obtaining pretreatment wet tissue, the power of ultrasonic treatment is 80W, supersonic frequency 30kHz,
Ultrasonic power density is 7.1Wcm-2；
(2) 80 pretreatment wet tissues are stacked in packing case, then packing case are placed in the center of pallet, then will support
Disk is placed on circulating vehicle, is opened electron accelerator and is carried out two-sided irradiation, taking-up is packaged to be sterile wet tissue, the spoke of two-sided irradiation
It is 9kGy according to dosage, the beam intensity of electron accelerator is 2000 μ A, and pulse repetition is 635pps, irradiates with a thickness of 30cm, sweeps
Retouching electric current is 3.2A, and speed is 30mm/ under beam.
Embodiment 2
The irradiation sterilization method of sterile wet tissue:
(1) wet tissue is stacked in beaker, then beaker is placed in ultrasonic tank reactor, is ultrasonically treated 2 at room temperature
Minute, 2 minutes stood after taking-up at room temperature obtaining pretreatment wet tissue, the power of ultrasonic treatment is 80W, supersonic frequency 30kHz,
Ultrasonic power density is 7.1Wcm-2；
(2) 80 pretreatment wet tissues are stacked in packing case, then packing case are placed in the center of pallet, then will support
Disk is placed on circulating vehicle, is opened electron accelerator and is carried out two-sided irradiation, taking-up is packaged to be sterile wet tissue, the spoke of two-sided irradiation
It is 15kGy according to dosage, the beam intensity of electron accelerator is 2000 μ A, and pulse repetition is 635pps, irradiates with a thickness of 30cm, sweeps
Retouching electric current is 3.2A, and speed is 30mm/ under beam.
Embodiment 3
The irradiation sterilization method of sterile wet tissue:
(1) wet tissue is stacked in beaker, then beaker is placed in ultrasonic tank reactor, is ultrasonically treated 2 at room temperature
Minute, 2 minutes stood after taking-up at room temperature obtaining pretreatment wet tissue, the power of ultrasonic treatment is 80W, supersonic frequency 30kHz,
Ultrasonic power density is 7.1Wcm-2；
(2) 80 pretreatment wet tissues are stacked in packing case, then packing case are placed in the center of pallet, then will support
Disk is placed on circulating vehicle, is opened electron accelerator and is carried out two-sided irradiation, taking-up is packaged to be sterile wet tissue, the spoke of two-sided irradiation
It is 12kGy according to dosage, the beam intensity of electron accelerator is 2000 μ A, and pulse repetition is 635pps, irradiates with a thickness of 30cm, sweeps
Retouching electric current is 3.2A, and speed is 30mm/ under beam.
Embodiment 4
The irradiation sterilization method of sterile wet tissue:
(1) wet tissue is stacked in beaker, then beaker is placed in ultrasonic tank reactor, is ultrasonically treated 2 at room temperature
Minute, 2 minutes stood after taking-up at room temperature obtaining pretreatment wet tissue, the power of ultrasonic treatment is 80W, supersonic frequency 30kHz,
Ultrasonic power density is 7.1Wcm-2；
(2) 80 pretreatment wet tissues are stacked in packing case, then packing case are placed in the center of pallet, then will support
Disk is placed on circulating vehicle, is opened electron accelerator and is carried out two-sided irradiation, taking-up is packaged to be sterile wet tissue, the spoke of two-sided irradiation
It is 18kGy according to dosage, the beam intensity of electron accelerator is 2000 μ A, and pulse repetition is 635pps, irradiates with a thickness of 30cm, sweeps
Retouching electric current is 3.2A, and speed is 30mm/ under beam.
Comparative example 1
As different from Example 3 without step (1), electron accelerator irradiation sterilizing directly is carried out to wet tissue.
Comparative example 2
The irradiation dose in step (2) is 19kGy as different from Example 3.
Comparative example 3
The number that stacks of the pretreatment wet tissue in step (2) in packing case is 100 as different from Example 3.
Reference examples
Comparative example is the Chinese invention of Publication No. CN101347633A.
Experimental example one: sterilization effect test
Microculture total number of bacterial colonies, fungus colony sum in wet tissue after test processes, test result such as table 1
It is shown:
Table 1
As seen from Table 1, the microculture total number of bacterial colonies of 1-4 of the embodiment of the present invention and fungus colony sum are bright
Aobvious to be less than comparative example, sterilization effect is very thorough, and wherein the sterilization effect of embodiment 3 is best.The part of Comparative Examples 1-3 walks
Rapid or parameter is different from embodiment 3, wherein microculture total number of bacterial colonies and the fungus colony sum of Comparative Examples 1
Equal highest illustrates that the sterilization effect for directly carrying out electron accelerator irradiation is bad；The microculture bacterium bacterium of Comparative Examples 2
It falls sum and fungus colony sum is suitable with embodiment 1-4, illustrate that the present invention has reached similar effect with smaller irradiation dose
Fruit；The microculture total number of bacterial colonies and fungus colony sum of Comparative Examples 3 are less than Comparative Examples 1 and are greater than reference reality
Apply example 3, illustrate the pretreatment wet tissue in packing case stack number it is excessive when sterilization effect can weaken much.
Experimental example two: stability test
It will treated observes in wet tissue that whether there is or not bacterial growth and mildew, test results after wet tissue saves 3 months at room temperature
It is as shown in table 2:
| Embodiment 1 | Without bacterial growth | Without mildew |
| Embodiment 2 | Without bacterial growth | Without mildew |
| Embodiment 3 | Without bacterial growth | Without mildew |
| Embodiment 4 | Without bacterial growth | Without mildew |
| Comparative Examples 1 | A small amount of bacterial growth | A small amount of mildew |
| Comparative Examples 2 | Without bacterial growth | Without mildew |
| Comparative Examples 3 | A small amount of bacterial growth | On a small quantity without mildew |
| Comparative example | A small amount of bacterial growth | A small amount of mildew |
Table 2
As seen from Table 2, the stability of 1-4 of the embodiment of the present invention treated wet tissue is better than comparative example.Comparative Examples
The part steps of 1-3 are different from embodiment 3 using raw material, wherein Comparative Examples 1, Comparative Examples 3 treated wet tissue
Stability be worse than embodiment 1-4, illustrate directly to carry out electron accelerator irradiation, stacking for pretreatment wet tissue in packing case is opened
The stability for counting multipair wet tissue has adverse effect；It is suitable with embodiment 1-4 after the processing of Comparative Examples 2, illustrate the present invention
Similar effect is reached with smaller irradiation dose.
Experimental example three: cross direction tensile strength test
The cross direction tensile strength of wet tissue after processing, test result such as 3 institute of table are tested out with reference to GB/T 24328.4-2009
Show:
Table 3
As seen from Table 3, the cross direction tensile strength of 1-4 of the embodiment of the present invention treated wet tissue differs not with comparative example
Greatly, the part steps of Comparative Examples 1-3 or different from embodiment 3 using raw material, Comparative Examples 1, the processing of Comparative Examples 3
The cross direction tensile strength of wet tissue afterwards is slightly above embodiment 1-4, and the cross direction tensile strength of treated the wet tissue of Comparative Examples 2 is then
Significantly lower than embodiment 1-4, illustrate the cross direction tensile strength that wet tissue can be seriously reduced when irradiation dose is more than 18kGy.
Experimental example four: breaking up property test
Breaking up property refers to that can wet tissue after use by broken off by water flush, and the wet tissue that can be broken up in the short time is to environment
Compare friendly, and the wet tissue that cannot be broken up will cause environmental pollution.Breaking up property test method are as follows: by wet tissue cut 10cm ×
The square piece of 10cm, puts into the deionized water of 300mL, with the speed magnetic agitation of 500rpm, tests out square piece dispersion and is reached
The time arrived can be divided into 5 ranks according to jitter time, and rank is higher to show that breaking up property is better:
Do not disperse after 0 grade, 150 seconds；
Do not disperse after 1 grade, 100 seconds, fraction disperses after 150 seconds；
Start to disperse after 2 grades, 100 seconds, largely disperse after 150 seconds；
Fraction disperses after 3 grades, 100 seconds, is completely dispersed after 150 seconds；
It is completely dispersed in 4 grades, 100 seconds.
Test result is as shown in table 4:
Table 4
As seen from Table 4, the breaking up property of 1-4 of the embodiment of the present invention treated wet tissue is better than comparative example very much.Reference
The part steps of embodiment 1-3 are different from embodiment 3 using raw material, and that treated is wet for Comparative Examples 1, Comparative Examples 3
The breaking up property of towel is slightly below embodiment 1-4, and the breaking up property of treated the wet tissue of Comparative Examples 2 is suitable with embodiment 1-4,
Show that ultrasound pretreatment combines the breaking up property and environmental-protecting performance that can effectively improve wet tissue with electron accelerator irradiation.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (4)
1. a kind of irradiation sterilization method of sterile wet tissue, it is characterised in that: the following steps are included:
(1) wet tissue is stacked in beaker, then beaker is placed in ultrasonic tank reactor, be ultrasonically treated 2 minutes at room temperature,
2 minutes are stood after taking-up at room temperature and obtains pretreatment wet tissue, the power of ultrasonic treatment is 80W, supersonic frequency 30kHz, ultrasound
Power density is 7.1Wcm-2；
(2) pretreatment wet tissue is stacked in packing case, then packing case is placed in the center of pallet, then pallet is placed in
On circulating vehicle, opens electron accelerator and carry out two-sided irradiation, taking-up is packaged to be sterile wet tissue, and the irradiation dose of two-sided irradiation is
9-18kGy。
2. a kind of irradiation sterilization method of sterile wet tissue according to claim 1, it is characterised in that: in the step (2),
The number that wet tissue is pre-processed in packing case is 80.
3. a kind of irradiation sterilization method of sterile wet tissue according to claim 2, it is characterised in that: in the step (2),
The beam intensity of electron accelerator is 2000 μ A, and pulse repetition is 635pps.
4. a kind of irradiation sterilization method of sterile wet tissue according to claim 3, it is characterised in that: in the step (2),
The irradiation of electron accelerator is with a thickness of 30cm, sweep current 3.2A, and speed is 30mm/s under beam.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110215525B (en) * | 2019-06-05 | 2021-06-25 | 广东强基药业有限公司 | Method for sufficiently irradiating and sterilizing hollow capsules by using lower-dose electron beams |
| CN112190725A (en) * | 2020-11-20 | 2021-01-08 | 湖南湘华华大生物科技有限公司 | Radiation sterilization method for traditional Chinese medicine powder |
| CN112535744B (en) * | 2020-12-03 | 2022-04-01 | 广州华大生物科技有限公司 | Irradiation sterilization method for experimental consumables |
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|---|---|---|---|---|
| US4424188A (en) * | 1981-12-31 | 1984-01-03 | International Paper Company | Sterilization of packaging material |
| CN1552452A (en) * | 2003-05-26 | 2004-12-08 | 何志军 | Microwave ultrasonic wave paper money sterilizing drier |
| CN102669788A (en) * | 2012-05-22 | 2012-09-19 | 上海束能辐照技术有限公司 | Processing method for improving quality of instant chicken feet by adopting ultrasonic combined with electron beam cold sterilization |
| CN103549239A (en) * | 2013-11-19 | 2014-02-05 | 四川省原子能研究院 | Color protection method for hot-chili-oil-containing food by irradiation processing |
| CN104749020A (en) * | 2013-12-30 | 2015-07-01 | 同方威视技术股份有限公司 | Port fruits quarantine and irradiation treatment method by accelerator and device thereof |
-
2017
- 2017-08-15 CN CN201710698061.3A patent/CN107281508B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4424188A (en) * | 1981-12-31 | 1984-01-03 | International Paper Company | Sterilization of packaging material |
| CN1552452A (en) * | 2003-05-26 | 2004-12-08 | 何志军 | Microwave ultrasonic wave paper money sterilizing drier |
| CN102669788A (en) * | 2012-05-22 | 2012-09-19 | 上海束能辐照技术有限公司 | Processing method for improving quality of instant chicken feet by adopting ultrasonic combined with electron beam cold sterilization |
| CN103549239A (en) * | 2013-11-19 | 2014-02-05 | 四川省原子能研究院 | Color protection method for hot-chili-oil-containing food by irradiation processing |
| CN104749020A (en) * | 2013-12-30 | 2015-07-01 | 同方威视技术股份有限公司 | Port fruits quarantine and irradiation treatment method by accelerator and device thereof |
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