CN111990586A - Cold chain material disinfection system and method for novel coronavirus - Google Patents
Cold chain material disinfection system and method for novel coronavirus Download PDFInfo
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- CN111990586A CN111990586A CN202010859782.XA CN202010859782A CN111990586A CN 111990586 A CN111990586 A CN 111990586A CN 202010859782 A CN202010859782 A CN 202010859782A CN 111990586 A CN111990586 A CN 111990586A
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- 239000000463 material Substances 0.000 title claims abstract description 45
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 29
- 241000711573 Coronaviridae Species 0.000 title claims abstract description 22
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000004806 packaging method and process Methods 0.000 claims abstract description 59
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 238000005086 pumping Methods 0.000 claims abstract description 10
- 230000001954 sterilising effect Effects 0.000 claims description 18
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- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
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- 239000005022 packaging material Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 239000003566 sealing material Substances 0.000 claims description 2
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- 230000005540 biological transmission Effects 0.000 abstract description 4
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/20—Removal of unwanted matter, e.g. deodorisation or detoxification
- A23L5/27—Removal of unwanted matter, e.g. deodorisation or detoxification by chemical treatment, by adsorption or by absorption
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23L3/3445—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O
-
- 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
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Nutrition Science (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses a cold chain material disinfection system and method aiming at novel coronavirus, wherein the cold chain material disinfection system comprises cold chain materials, non-airtight packaging, an ozone generator, an ozone injection pump and a vacuum pumping pump; the cold chain material is placed in the non-hermetic package; the non-hermetic package is placed within the encapsulating package; the packaging structure comprises a packaging body and a packaging cover, wherein the packaging body is provided with a packaging opening; the ozone generator is connected with the ozone injection pump; the ozone injection pump is connected with the interface; the vacuum pumping pump is connected with the interface; the space between the packaging and the non-hermetic package is filled with ozone, and the space in the non-hermetic package is also filled with ozone. The invention can effectively cut off the transmission path of the new coronavirus on the cold chain food and the food package.
Description
Technical Field
The invention relates to the technical field of cold chain transportation, in particular to a cold chain material disinfection system and method for novel coronavirus.
Background
In the early 2020, new coronary pneumonia epidemic outbreaks caused public wide attention. Public health measures are more important than medical measures for the prevention and control of major infectious diseases. The new coronavirus has a certain survival time outside the human body, and can be adsorbed on the surface of an object to cause contact transmission. In 2020, multiple epidemic cases show that some fresh foods and/or food packages detect positive conditions of the new coronavirus nucleic acid detection. The cold chain can keep food fresh and also become a way for spreading viruses, once the cold chain food and/or food package is infected with new coronavirus in the production and circulation links, the traditional cold chain low-temperature and high-humidity environment is favorable for the viruses to keep the activity for a long time, and epidemic situation can be caused. Scientifically and effectively cut off the way of spreading the new coronavirus in the cold chain food and/or food package, and is also important for strengthening the supervision of cold chain food and each link in circulation. Therefore, there is a need for an effective cold chain material sterilization system and method that cuts off the way new coronavirus transmission from the cold chain food itself and the food packaging.
Disclosure of Invention
The invention aims to solve the first technical problem of providing a cold chain material disinfection system aiming at novel coronavirus. The system has simple structure and easy implementation, and can effectively cut off the transmission path of the new coronavirus on the cold chain food and the food package.
The second technical problem to be solved by the invention is to provide a method for disinfecting cold chain materials aiming at the novel coronavirus.
In order to solve the first technical problem, the invention adopts the following technical scheme:
a cold chain material disinfection system aiming at novel coronavirus comprises cold chain materials, non-airtight packaging, an ozone generator, an ozone injection pump and a vacuum pumping pump;
the cold chain material is placed in the non-hermetic package;
the non-hermetic package is placed within the encapsulating package;
the packaging structure comprises a packaging body and a packaging cover, wherein the packaging body is provided with a packaging opening;
the vacuum pumping pump is connected with the interface and used for vacuumizing the packaging package; the ozone generated by the ozone generator is connected with the interface through the ozone injection pump, and the packaged package is filled with ozone;
the space between the packaging and the non-hermetic package is filled with ozone, and the space in the non-hermetic package is also filled with ozone.
In one embodiment, the interface is a valve.
In one embodiment, the interface is an air check valve membrane.
In one embodiment, the packaging is a flexible enclosure; preferably, the flexible sealing material is one or more of polyethylene, polypropylene and polyvinyl chloride.
In one embodiment, the non-airtight package employs a breathable material; or the non-airtight package is provided with a vent hole.
In a preferred embodiment, the breathable material is one or more of foam, corrugated board, paper, wood board.
In one embodiment, the interface is provided in two, one of which is connected to the ozone injection pump and the other of which is connected to the vacuum pump.
In one embodiment, the cold chain materials are one or more of fruits, vegetables, seafood, meat; the ozone pressure in the packaging is 0.8-1.2 atmospheres.
In one embodiment, the surface of the packaging is sprayed with a code.
In order to solve the second technical problem, the invention adopts the following scheme:
a method of using a cold chain material disinfection system for a novel coronavirus, comprising the steps of:
s1, placing the cold chain material in the non-airtight package after cold packaging;
s2, placing the non-hermetic package in the packaging package;
s3, vacuumizing the packaging package through an interface by using a vacuumizing pump;
s4, closing the vacuumizing interface;
s5, the ozone generator generates ozone, and the ozone is injected into the packaging package through the interface by the ozone injection pump;
s6, injecting ozone to 0.8-1.2 atmospheric pressure;
and S7, sealing the interface.
In a preferred embodiment, the following steps are added after step S7:
s8, maintaining the ozone pressure in the packaging package for 3-10 seconds;
s9, vacuumizing the packaging package again through the interface by using a vacuumizing pump;
s10, conveying the ozone to an ozone storage by a vacuum pumping pump for storage so as to recycle;
and S11, sealing the interface, and keeping the inside of the packaging package in a vacuum state again.
Any range recited herein is intended to include the endpoints and any number between the endpoints and any subrange subsumed therein or defined therein.
The starting materials of the present invention are commercially available, unless otherwise specified, and the equipment used in the present invention may be any equipment conventionally used in the art or may be any equipment known in the art.
Compared with the prior art, the invention has the following beneficial effects:
1) the invention can effectively kill the new coronavirus on the food package;
2) the invention can also effectively kill new coronavirus which can be carried on the surface of the food;
3) the ozone used in the invention can keep the freshness and activity of cold chain materials by high-concentration oxygen after reaction.
In conclusion, the present invention can effectively cut off the pathway of transmission of new coronavirus on the cold chain food itself and food packaging.
Drawings
The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings
FIG. 1 is a schematic diagram of a cold chain material sterilization system according to the present invention.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below in connection with preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Referring to fig. 1, a cold chain material disinfection system for a novel coronavirus comprises a cold chain material 100, a non-hermetic package 110, a hermetic package 120, an ozone generator 130, an ozone injection pump 140 and a vacuum pumping pump 150;
the cold chain supplies 100 are placed within the non-hermetic package 110;
the packaging package 120 is provided with 2 interfaces 121; one of which is connected to the ozone injection pump 140 and the other of which is connected to the evacuation pump 150.
The vacuum pump 150 is connected with the interface 121, and the gas circulation can be closed or opened; the ozone generator 130 is connected with the ozone injection pump 140;
the ozone injection pump 140 is connected with the interface 121, and the gas circulation can be closed or opened;
the space between the enclosing package 120 and the non-hermetic package 110 is filled with ozone, and the space inside the non-hermetic package 110 is also filled with ozone.
The packaging material is flexible; such as polyethylene, polypropylene, polyvinyl chloride, and the like.
The non-airtight package is made of a breathable packaging material; such as rattan woven boxes, corrugated board, etc. Or the non-airtight package is provided with a vent hole; such as plastic baskets and the like.
The cold chain material is one or more of fruits, vegetables, seafood and meat.
The ozone pressure in the packaging is 0.8-1.2 atmospheres.
Code spraying is carried out on the surface of the package to record relevant information of the commodity, and operation of the Internet of things is facilitated (commodity information, package information and the like are traceable).
A method of using the above cold chain material sterilization system for a novel coronavirus, comprising the steps of:
s1, placing the cold chain material in the non-airtight package after cold packaging;
s2, placing the non-hermetic package in the packaging package;
s3, vacuumizing the packaging package through an interface by using a vacuumizing pump;
s4, closing the vacuumizing interface;
s5, the ozone generator generates ozone, and the ozone is injected into the packaging package through the interface by the ozone injection pump;
s6, injecting ozone to 0.8-1.2 atmospheric pressure;
and S7, sealing the interface.
As a preferred embodiment, the following steps are added after step S7:
s8, maintaining the ozone pressure in the packaging package for 3-10 seconds;
s9, vacuumizing the packaging package again through the interface by using a vacuumizing pump;
s10, conveying the ozone to an ozone storage by a vacuum pumping pump for storage so as to recycle;
and S11, sealing the interface, and keeping the inside of the packaging package in a vacuum state again.
In the prior art, the outer package of frozen products is generally a corrugated case, a small-package box is arranged in the corrugated case, and frozen products such as frozen meat and frozen seafood packaged by plastic bags are arranged in the box; the outer package of the refrigerated products is generally a corrugated case, a small-package box is arranged in the corrugated case, and fresh refrigerated products such as fruits and vegetables, fresh meat, seafood and the like are arranged in the box; in the production and transportation process, the corrugated case is made of corrugated boards, the surface of the corrugated boards and the hollow areas of the corrugations can be infected with viruses, the small-packaged box in the corrugated case can be infected with viruses, frozen products and refrigerated products can be infected with viruses, and accessories such as ice bags, ice cubes, buffer materials and the like in the corrugated case can be infected with viruses. The prior art can only sterilize the surface, and only can kill viruses on the outer surface of the outer package no matter spraying liquid or ultraviolet irradiation or ozone sterilization, and the viruses can be infected once the outer package is opened.
The non-hermetic package employs a corrugated box to illustrate the features of the present invention: in the present invention, as shown in fig. 1, the cold chain food 100 in the corrugated box 110 is often packaged in small packages meeting the marketing requirement, the frozen products in the small packages may be frozen blocks packaged by plastic bags, the refrigerated food in the small packages may be packaged by plastic bags or foamed plastic nets, and may also be attached articles such as ice bags, ice cubes, cushioning materials, and fresh-keeping material bags, so that in the corrugated box, there are gaps and surfaces of different articles.
In the invention, ozone is filled between the packaging package 120 and the corrugated case 110, the ozone can permeate between the packaging package 120 and the corrugated case 110, and the surface and corrugated holes of the corrugated board can also permeate the ozone because the corrugated case belongs to a non-airtight material, namely the inner layer, the outer layer and the interlayer of the corrugated case can be comprehensively disinfected; further, ozone can enter the inside of the corrugated case through the slits or holes of the corrugated case (e.g., a handle hole designed for convenient carrying, a vent hole designed for ventilation, etc.), and permeate all the spaces and surfaces of articles inside the corrugated case, including and not limited to those inside the corrugated case: the surfaces of the box packaging, the plastic bag, the frozen or refrigerated product, the accessory and the spaces between these items, i.e., the corrugated box itself and all the items in the corrugated box, can be thoroughly sterilized.
After the cold chain materials are disinfected by the ozone, the ozone is gradually converted into high-concentration oxygen, and the fresh-keeping of the cold chain materials such as fruits, vegetables, meat and the like is facilitated under the condition of the high-concentration oxygen.
After ozone sterilization, pumping ozone out of the packaging package by using a vacuum pump, wherein the packaging package is in a vacuum state again; the pumped ozone is conveyed to an ozone storage to be stored and recycled. The energy consumption of the ozone generator can be reduced.
In summary, the cold chain material sterilization system of the present invention not only can ensure sterilization of cold chain materials, but also can ensure timely sterilization of packages of cold chain materials, and is protected by the packaging package to prevent the sterilized cold chain materials and packages thereof from being contaminated by viruses.
The cold chain material sterilization system is also suitable for sterilization of common logistics materials and packages thereof.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.
Claims (10)
1. A cold chain material disinfection system for a novel coronavirus, comprising: comprises cold chain materials, non-airtight package, packaging package, an ozone generator, an ozone injection pump and a vacuum pump;
the cold chain material is placed in the non-hermetic package;
the non-hermetic package is placed within the encapsulating package;
the packaging structure comprises a packaging body and a packaging cover, wherein the packaging body is provided with a packaging opening;
the vacuum pumping pump is connected with the interface and used for vacuumizing the packaging package; the ozone generated by the ozone generator is connected with the interface through the ozone injection pump, and the packaged package is filled with ozone;
the space between the packaging and the non-hermetic package is filled with ozone, and the space in the non-hermetic package is also filled with ozone.
2. The cold-chain supplies sterilization system of claim 1, wherein: the interface is a valve.
3. The cold-chain supplies sterilization system of claim 1, wherein: the interface is a gas stop valve membrane.
4. The cold-chain supplies sterilization system of claim 1, wherein: the packaging material is flexible and closed; preferably, the flexible sealing material is one or more of polyethylene, polypropylene and polyvinyl chloride.
5. The cold-chain supplies sterilization system of claim 1, wherein: the non-airtight package is made of a breathable material; or the non-airtight package is provided with a vent hole.
6. The cold-chain supplies sterilization system of claim 5, wherein: the air-permeable material is one or more of foamed plastic, corrugated board, paper and wood board.
7. The cold-chain supplies sterilization system of claim 1, wherein: the interface is equipped with two, and one of them connects ozone injection pump, and another connects evacuation pump.
8. The cold-chain supplies sterilization system of claim 1, wherein: the cold chain material is one or more of fruits, vegetables, seafood and meat; the ozone pressure in the packaging is 0.8-1.2 atmospheres.
9. The cold-chain supplies sterilization system of claim 1, wherein: and spraying codes on the surface of the packaging package.
10. Method of use of a cold chain material disinfection system for new coronaviruses according to any of claims 1-9, characterized in that it comprises the following steps:
s1, placing the cold chain material in the non-airtight package after cold packaging;
s2, placing the non-hermetic package in the packaging package;
s3, vacuumizing the packaging package through an interface by using a vacuumizing pump;
s4, closing the vacuumizing interface;
s5, the ozone generator generates ozone, and the ozone is injected into the packaging package through the interface by the ozone injection pump;
s6, injecting ozone to 0.8-1.2 atmospheric pressure;
s7, sealing the interface;
preferably, the following steps are added after step S7:
s8, maintaining the ozone pressure in the packaging package for 3-10 seconds;
s9, vacuumizing the packaging package again through the interface by using a vacuumizing pump;
s10, conveying the ozone to an ozone storage by a vacuum pumping pump for storage so as to recycle;
and S11, sealing the interface, and keeping the inside of the packaging package in a vacuum state again.
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| CN202010859782.XA CN111990586A (en) | 2020-08-24 | 2020-08-24 | Cold chain material disinfection system and method for novel coronavirus |
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| CN202010859782.XA CN111990586A (en) | 2020-08-24 | 2020-08-24 | Cold chain material disinfection system and method for novel coronavirus |
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Cited By (6)
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| CN112314835A (en) * | 2021-01-06 | 2021-02-05 | 浙江大学 | Sterilizing method and system for inactivating novel coronavirus in cold chain food by ionizing radiation |
| CN112494698A (en) * | 2020-11-30 | 2021-03-16 | 王昌浩 | Disinfection device and method for cold-chain logistics transportation container |
| CN112691222A (en) * | 2020-12-21 | 2021-04-23 | 海韵一剑大卫生科技有限公司 | Cold chain product sterilizing machine |
| CN112704759A (en) * | 2021-01-08 | 2021-04-27 | 王昌浩 | Novel coronavirus killing mobile workstation and method for refrigerated container yard |
| CN112704176A (en) * | 2021-01-07 | 2021-04-27 | 清华大学 | Method for killing novel coronavirus by electron beam irradiation |
| CN112791212A (en) * | 2020-12-30 | 2021-05-14 | 王昌浩 | Mobile workstation and method for killing novel coronavirus of refrigerated container |
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| CN112494698A (en) * | 2020-11-30 | 2021-03-16 | 王昌浩 | Disinfection device and method for cold-chain logistics transportation container |
| CN112691222A (en) * | 2020-12-21 | 2021-04-23 | 海韵一剑大卫生科技有限公司 | Cold chain product sterilizing machine |
| CN112791212A (en) * | 2020-12-30 | 2021-05-14 | 王昌浩 | Mobile workstation and method for killing novel coronavirus of refrigerated container |
| CN112314835A (en) * | 2021-01-06 | 2021-02-05 | 浙江大学 | Sterilizing method and system for inactivating novel coronavirus in cold chain food by ionizing radiation |
| CN112314835B (en) * | 2021-01-06 | 2021-04-06 | 浙江大学 | Sterilizing method and system for inactivating novel coronavirus in cold chain food by ionizing radiation |
| CN112704176A (en) * | 2021-01-07 | 2021-04-27 | 清华大学 | Method for killing novel coronavirus by electron beam irradiation |
| CN112704759A (en) * | 2021-01-08 | 2021-04-27 | 王昌浩 | Novel coronavirus killing mobile workstation and method for refrigerated container yard |
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