CN112546268A - Disinfection and killing method realized by adopting cold-chain logistics storage disinfection and killing integrated device - Google Patents
Disinfection and killing method realized by adopting cold-chain logistics storage disinfection and killing integrated device Download PDFInfo
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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
- A61L2/20—Gaseous substances, e.g. vapours
- A61L2/202—Ozone
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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
- A61L2/22—Phase substances, e.g. smokes, aerosols or sprayed or atomised substances
-
- 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
- A61L2/26—Accessories or devices or components used for biocidal treatment
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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
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
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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
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet 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
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/20—Targets to be treated
- A61L2202/25—Rooms in buildings, passenger compartments
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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
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/21—Use of chemical compounds for treating air or the like
- A61L2209/212—Use of ozone, e.g. generated by UV radiation or electrical discharge
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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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Storage Of Fruits Or Vegetables (AREA)
Abstract
A disinfection method realized by adopting a cold-chain logistics storage disinfection integrated device belongs to the field of disinfection of viruses and germs in a cold-chain logistics storage area; solves the problem that a killing method for comprehensively killing ozone and quickly eliminating residual ozone is lacked in the field of cold-chain logistics. The invention comprises the following steps: s1, firstly, killing goods in the storage equipment by using a goods killing device in the storage area; and S2, secondly, sterilizing the gas extracted from the storage equipment by ozone gas output by the air circulation sterilizing and purifying device of the storage area and the goods sterilizing and purifying device of the storage area, thereby realizing the comprehensive sterilization and killing of the storage equipment. The invention is mainly used for killing viruses and germs in cold-chain logistics storage areas.
Description
Technical Field
The invention belongs to the field of virus and germ killing in cold-chain logistics storage areas.
Background
The rapid development of cold-chain logistics provides support for accelerating the production, storage and transportation of agricultural products and fresh products.
At present, the traditional distributed disinfection technology applied to a cold-chain logistics storage area or a cold-chain logistics box has defects in the aspect of dealing with the epidemic situation prevention and control of new coronavirus. Ultraviolet irradiation disinfection is a common disinfection technology in cold-chain logistics, but has the problems of insufficient lighting disinfection coverage rate, large influence of lighting degree on disinfection rate and the like; although the efficiency of the chlorine-containing disinfectant spraying disinfection is high, the secondary pollution problem of the air environment and the food exists.
Ozone is used as an environment-friendly strong oxidant, new coronavirus and pathogenic bacteria can be oxidized by strong oxidizing property, the killing rate can be 100%, and the final product of ozone in the attenuation process is oxygen, so that the problem of secondary pollution of the environment and cold-chain logistics products is solved. The key point of using ozone as a sterilizing agent is to realize high coverage rate and high permeability of ozone in the low-temperature closed environment of cold-chain logistics and effectively reduce the oxidation of ozone on a refrigerating pipe body and food.
Therefore, aiming at the process characteristics of cold stores or refrigerated transport cases in a cold chain logistics cabin area, efficient and mature matched equipment is researched and developed, and the cold chain logistics cabin area has important application, social and economic values for realizing comprehensive killing of the air environment of a refrigerated space in the whole flow of cold chain logistics and outer packages of products and the like. In addition, the rapid elimination of residual ozone after the high-concentration ozone sterilization is also a key problem influencing cold-chain logistics, and the rapid elimination of residual ozone after the sterilization is completed is favorable for saving the time cost of cold-chain logistics and reducing the oxidation corrosion degree of ozone on the internal pipelines and wall surfaces of the cold storage; however, in the field of cold chain logistics, an integrated device for comprehensively killing ozone and quickly eliminating residual ozone is lacked, so that the problem needs to be solved urgently.
Disclosure of Invention
The invention aims to solve the problem that a killing method for comprehensively killing ozone and quickly eliminating residual ozone is lacked in the field of cold-chain logistics, and provides a killing method realized by adopting a cold-chain logistics storage killing integrated device.
The killing method is realized by adopting a cold-chain logistics storage killing integrated device, wherein the cold-chain logistics storage killing integrated device comprises a storage area goods killing device 1 and a storage area air circulation killing and purifying device 2;
the goods sterilizing device 1 in the storage area is used for absorbing outside air to generate ozone gas and ozone liquid and sterilizing goods in the storage equipment 3 by using the ozone gas or the ozone liquid; is also used for providing ozone gas for the air circulating sterilizing and purifying device 2 of the storage area;
the air circulating sterilizing and purifying device 2 of the storage area is used for extracting the gas in the storage equipment 3, sterilizing the extracted gas by using ozone gas and then sending the gas into the storage equipment 3, thereby sterilizing the gas in the storage equipment 3;
the killing method comprises the following steps:
s1, first, the goods in the storage device 3 are killed by the goods killing device 1 in the storage area, which specifically comprises: when the refrigerating temperature in the storage equipment 3 is below zero, the goods sterilizing device 1 in the storage area sterilizes the goods in the storage equipment 3 by using the generated ozone gas; when the refrigerating temperature in the storage equipment 3 is zero or above, the goods sterilizing device 1 in the storage area sterilizes the goods in the storage equipment 3 in a spraying mode by using the generated ozone liquid;
s2, secondly, the ozone gas output by the air circulation sterilizing and purifying device 2 and the goods sterilizing and purifying device 1 in the storage area is used for sterilizing and killing the gas extracted from the storage equipment 3, thereby realizing the comprehensive sterilization and killing of the storage equipment 3.
Preferably, the goods sterilizing and killing device 1 in the storage area comprises an air inlet grille 1-1, a medium-efficiency filter 1-2, an air pressure pump 1-3, an ozone generator 1-4, a sterilizing and killing water tank 1-5, a high-pressure mixing pump 1-6, a gas-water mixer 1-7, an ozone water solution metering pump 1-8, a power distribution and automatic control cabinet 1-9, a No. 1 shell 1-10 and a nozzle 1-11;
an air inlet grille 1-1 is arranged on the side wall of the air inlet side of a No. 1 shell 1-10, a medium-efficiency filter 1-2, an air pressure pump 1-3, an ozone generator 1-4, a sterilization water tank 1-5, a high-pressure mixing pump 1-6, an air-water mixer 1-7, an ozone water solution metering pump 1-8 and a power distribution and automatic control cabinet 1-9 are all arranged in the No. 1 shell 1-10, and a nozzle 1-11 is arranged in a storage device 3;
the air pressure pump 1-3 is used for pumping outside air into the ozone generator 1-4, and the outside air sequentially passes through the air inlet grille 1-1 and the intermediate filter 1-2 in the process of being pumped into the ozone generator 1-4, wherein the intermediate filter 1-2 is used for filtering particles in the outside air;
the ozone generator 1-4 is used for generating 4 paths of ozone gas according to the received filtered outside air, and each output port of the ozone generator 1-4 outputs one path of ozone gas, wherein the first output port and the second output port of the ozone generator 1-4 are communicated with the air circulating sterilizing and purifying device 2 of the storage area and are used for providing two paths of ozone gas for the air circulating sterilizing and purifying device 2 of the storage area; the third output port of the ozone generator 1-4 is communicated with the nozzle 1-11;
the fourth output port of the ozone generator 1-4 is communicated with the gas-water mixer 1-7;
the high-pressure mixing pump 1-6 is used for pumping water in the sterilizing water tank 1-5 into the gas-water mixer 1-7;
a gas-water mixer 1-7 for mixing the received ozone gas with water to generate ozone liquid;
the ozone water solution metering pump 1-8 is used for pumping the ozone liquid generated by the gas-water mixer 1-7 into the nozzle 1-11;
and the power distribution and automatic control cabinet 1-9 is used for supplying power to the ozone generator 1-4 and controlling the rotating speed of the air pressurizing pump 1-3, the high-pressure mixing pump 1-6 and the ozone water solution metering pump 1-8.
Preferably, in step S1, when the refrigerating temperature in the storage device 3 is zero or above, the specific process of the goods killing device 1 killing the goods in the storage device 3 in the form of spray by using the generated ozone liquid is as follows:
firstly, an air pressure pump 1-3, a high-pressure mixing pump 1-6 and an air-water mixer 1-7 start to work, and meanwhile, a power distribution and automatic control cabinet 1-9 supplies power to an ozone generator 1-4 to enable the ozone generator 1-4 to start to work; pumping outside air into the ozone generators 1 to 4 through the air pressure pumps 1 to 3, leading ozone gas generated by the ozone generators 1 to 4 into the air-water mixers 1 to 7 through fourth output ports of the ozone generators 1 to 4, leading the third output ports of the ozone generators 1 to 4 to be in a cut-off state, leading the ozone gas output by the first and second output ports of the ozone generators 1 to 4 into the air circulating sterilizing and purifying device 2 of the storage area, and simultaneously leading water in the sterilizing and water tank 1 to 5 into the air-water mixers 1 to 7 through the high-pressure mixing pumps 1 to 6; the gas-water mixer 1-7 mixes ozone gas with water to generate ozone liquid; then the ozone liquid generated by the gas-water mixer 1-7 is pumped into the nozzles 1-11 by the ozone water solution metering pump 1-8 and is sprayed out in a spraying mode, thereby realizing the disinfection and killing of goods in the storage equipment 3.
Preferably, in step S1, when the refrigerating temperature in the storage device 3 is below zero, the specific process of the goods killing apparatus 1 using the generated ozone gas to kill the goods in the storage device 3 is as follows:
firstly, an air pressure pump 1-3 starts to work, and meanwhile, a power distribution and automatic control cabinet 1-9 supplies power to an ozone generator 1-4 to enable the ozone generator 1-4 to start to work; the air pressure pump 1-3 pumps the outside air into the ozone generator 1-4, the ozone gas generated by the ozone generator 1-4 is sent into the nozzle 1-11 through the third output port, and is sprayed out in a gas form to sterilize goods in the storage equipment 3;
meanwhile, the fourth output port of the ozone generator 1-4 is in a cut-off state, and ozone gas output by the first output port and the second output port of the ozone generator 1-4 is introduced into the air circulating sterilizing and purifying device 2 of the storage area.
Preferably, the first structure of the air circulation sterilizing and purifying device 2 in the storage area is as follows: the air circulating, sterilizing and purifying device 2 of the storage area is sequentially divided into a storage area air return section 2-1, an intermediate effect filtering section 2-2, an ultraviolet sterilizing section 2-3, a primary ozone sterilizing section 2-4, a secondary ozone sterilizing section 2-5, a residual ozone control section 2-6 and a circulating fan section 2-7 in the direction from air inlet to air outlet;
the first and second output ports of the ozone generator 1-4 are respectively used for providing ozone gas for the first-stage ozone sterilizing section 2-4 and the second-stage ozone sterilizing section 2-5;
in step S2, the ozone gas output by the air circulation sterilizing and purifying device 2 and the goods sterilizing and purifying device 1 in the storage area is used to sterilize the gas extracted from the storage equipment 3:
firstly, gas in the storage equipment 3 is extracted through the circulating fan section 2-7, the extracted gas sequentially flows through the air return section 2-1 of the storage area to be swirled and then enters the intermediate-effect filtering section 2-2 to be filtered, the filtered gas enters the ultraviolet sterilizing section 2-3 to be subjected to ultraviolet sterilization, the gas subjected to ultraviolet sterilization enters the primary ozone sterilizing section 2-4 to be subjected to primary ozone sterilization, the gas subjected to primary ozone sterilization enters the secondary ozone sterilizing section 2-5 to be subjected to secondary ozone sterilization, the gas subjected to secondary ozone sterilization enters the residual ozone control section 2-6, the residual ozone control section 2-6 is used for carrying out reduction reaction on residual ozone in the gas subjected to secondary ozone sterilization, and the reduced gas is sent into the storage equipment 3 again, so that the gas extracted from the storage equipment 3 is sterilized.
Preferably, the second structure of the air circulation sterilizing and purifying device 2 in the storage area is as follows: the air circulating, sterilizing and purifying device 2 of the storage area is sequentially divided into a storage area air return section 2-1, an intermediate effect filtering section 2-2, a primary ozone sterilizing section 2-4, a secondary ozone sterilizing section 2-5, an ultraviolet sterilizing section 2-3, a residual ozone control section 2-6 and a circulating fan section 2-7 in the direction from air inlet to air outlet;
the first and second output ports of the ozone generator 1-4 are respectively used for providing ozone gas for the first-stage ozone sterilizing section 2-4 and the second-stage ozone sterilizing section 2-5;
in step S2, the ozone gas output by the air circulation sterilizing and purifying device 2 and the goods sterilizing and purifying device 1 in the storage area is used to sterilize the gas extracted from the storage equipment 3:
firstly, gas in the storage equipment 3 is extracted through a circulating fan section 2-7, the extracted gas sequentially flows through a storage area air return section 2-1 to be swirled and then enters a middle-effect filtering section 2-2 to be filtered, the filtered gas enters a first-stage ozone killing section 2-4 to be subjected to first ozone killing, the gas after the first ozone killing enters a second-stage ozone killing section 2-5 to be subjected to second ozone killing, the gas after the second ozone killing enters an ultraviolet killing section 2-3 to be subjected to ultraviolet killing, the gas after the ultraviolet killing enters a residual ozone control section 2-6, the residual ozone control section 2-6 is subjected to reduction reaction on residual ozone in the gas after the ultraviolet killing, and the reduced gas is sent into the storage equipment 3 again, so that the gas extracted from the storage equipment 3 is killed.
Preferably, an ozone gas flowmeter 12 is arranged on a communication pipeline between the first and second output ports of the ozone generator 1-4 and the air circulating sterilizing and purifying device 2 of the storage area.
Preferably, a check valve and an electromagnetic valve are arranged on a communicating pipeline between the first and second output ports of the ozone generators 1-4 and the air circulating sterilizing and purifying device 2 of the storage area;
a check valve and an electromagnetic valve are also arranged on a pipeline for communicating the third output port of the ozone generator 1-4 with the nozzle 1-11;
check valves and electromagnetic valves are also arranged on all pipelines of the fourth output ports of the ozone generators 1 to 4 communicated with the nozzles 1 to 11;
the power distribution and automatic control cabinets 1-9 are also used for controlling all the electromagnetic valves.
Preferably, a rectifying device 4 is arranged between two adjacent sections in the air circulation sterilizing and purifying device 2 of the storage area, and the rectifying device 4 is used for rectifying the gas input by the rectifying device to ensure that the gas outputs uniform gas flow.
Preferably, the ultraviolet sterilizing section 2-3 is realized by adopting an ultraviolet sterilizing lamp group;
the circulating fan sections 2-7 are realized by adopting a circulating fan;
the residual ozone control section 2-6 is realized by adopting a filler layer, and one or more of activated carbon, activated carbon fiber, activated carbon loaded with nano iron or activated carbon fiber loaded with nano iron are filled in the filler layer.
The invention has the following beneficial effects:
(1) the killing method realized by adopting the cold-chain logistics storage killing integrated device couples the ozone killing process with the environmental air re-purification process of the closed space, ensures the killing efficiency of ozone sterilization and disinfection and the coverage rate and permeability of ozone in the closed space under the low-temperature environment, and ensures 100% of comprehensive whole flow of killing new coronavirus and pathogenic bacteria in a cold-chain logistics system.
(2) The integrated device can be arranged outside the existing refrigeration house or the cold chain storage box body, is convenient for the rapid transformation and installation of the existing cold chain storage area or the storage box in the period of dealing with the new crown epidemic situation, and has important application and economic value for ensuring the safety of cold chain logistics food.
(3) The integrated equipment is provided with the residual ozone control section (2-6), so that the concentration of residual ozone can be quickly reduced, and the oxidation degree of residual ozone on the refrigerating pipe body and food can be reduced; meanwhile, the oxygen concentration in the ambient air can be quickly recovered after comprehensive killing, so that the environmental requirements required by personnel operation are facilitated, and the operation time is saved.
(4) The invention can be applied to the sterilization of related viruses on the surfaces of articles in cold storage and containers related to cold chain logistics and in the environment; the method can also be applied to comprehensive killing in the freezing and refrigerating space of the ocean-going or offshore seafood catching boat; the method realizes the killing of new coronavirus and other related viruses and pathogenic bacteria from the source.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the killing method implemented by the cold-chain logistics storage killing integrated device according to the invention;
fig. 2 is a schematic view of the internal structure of the goods sterilizing device 1 and the air circulating sterilizing and purifying device 2 in the storage area in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1, the embodiment is described, and the killing method implemented by using the cold-chain logistics storage killing integrated device in the embodiment includes a storage area goods killing device 1 and a storage area air circulation killing and purifying device 2;
the goods sterilizing device 1 in the storage area is used for absorbing outside air to generate ozone gas and ozone liquid and sterilizing goods in the storage equipment 3 by using the ozone gas or the ozone liquid; is also used for providing ozone gas for the air circulating sterilizing and purifying device 2 of the storage area;
the air circulating sterilizing and purifying device 2 of the storage area is used for extracting the gas in the storage equipment 3, sterilizing the extracted gas by using ozone gas and then sending the gas into the storage equipment 3, thereby sterilizing the gas in the storage equipment 3;
the killing method comprises the following steps:
s1, first, the goods in the storage device 3 are killed by the goods killing device 1 in the storage area, which specifically comprises: when the refrigerating temperature in the storage equipment 3 is below zero, the goods sterilizing device 1 in the storage area sterilizes the goods in the storage equipment 3 by using the generated ozone gas; when the refrigerating temperature in the storage equipment 3 is zero or above, the goods sterilizing device 1 in the storage area sterilizes the goods in the storage equipment 3 in a spraying mode by using the generated ozone liquid;
s2, secondly, the ozone gas output by the air circulation sterilizing and purifying device 2 and the goods sterilizing and purifying device 1 in the storage area is used for sterilizing and killing the gas extracted from the storage equipment 3, thereby realizing the comprehensive sterilization and killing of the storage equipment 3.
When the killing method implemented by the cold-chain logistics storage killing integrated device is specifically applied, ozone gas or ozone liquid spray can be selected according to the temperature required by the goods refrigerated by the storage equipment 3 to kill the goods in the storage equipment 3, and when the refrigerating temperature in the storage equipment 3 is zero or above, the ozone liquid spray can be selected to kill the goods in the storage equipment 3; when the refrigerating temperature in the storage equipment 3 is below zero, ozone gas is selected to kill the goods in the storage equipment 3, so that the goods are prevented from being frozen in the process of killing the goods by selecting ozone liquid spray, and the goods are not killed thoroughly.
When the device is used specifically, on one hand, coronavirus and pathogenic bacteria on the surface of the goods are killed and killed firstly, on the other hand, the coronavirus and the pathogenic bacteria which are dissociated in the gas in the storage equipment 3 are killed and killed, and on the other hand, comprehensive killing can be carried out on the cold-chain logistics storage area through the two aspects.
Further, referring specifically to fig. 2, the goods sterilizing device 1 in the storage area comprises an air inlet grille 1-1, a medium-efficiency filter 1-2, an air pressure pump 1-3, an ozone generator 1-4, a sterilizing water tank 1-5, a high-pressure mixing pump 1-6, a gas-water mixer 1-7, an ozone water solution metering pump 1-8, a power distribution and automatic control cabinet 1-9, a No. 1 shell 1-10 and a nozzle 1-11;
an air inlet grille 1-1 is arranged on the side wall of the air inlet side of a No. 1 shell 1-10, a medium-efficiency filter 1-2, an air pressure pump 1-3, an ozone generator 1-4, a sterilization water tank 1-5, a high-pressure mixing pump 1-6, an air-water mixer 1-7, an ozone water solution metering pump 1-8 and a power distribution and automatic control cabinet 1-9 are all arranged in the No. 1 shell 1-10, and a nozzle 1-11 is arranged in a storage device 3;
the air pressure pump 1-3 is used for pumping outside air into the ozone generator 1-4, and the outside air sequentially passes through the air inlet grille 1-1 and the intermediate filter 1-2 in the process of being pumped into the ozone generator 1-4, wherein the intermediate filter 1-2 is used for filtering particles in the outside air;
the ozone generator 1-4 is used for generating 4 paths of ozone gas according to the received filtered outside air, and each output port of the ozone generator 1-4 outputs one path of ozone gas, wherein the first output port and the second output port of the ozone generator 1-4 are communicated with the air circulating sterilizing and purifying device 2 of the storage area and are used for providing two paths of ozone gas for the air circulating sterilizing and purifying device 2 of the storage area; the third output port of the ozone generator 1-4 is communicated with the nozzle 1-11;
the fourth output port of the ozone generator 1-4 is communicated with the gas-water mixer 1-7;
the high-pressure mixing pump 1-6 is used for pumping water in the sterilizing water tank 1-5 into the gas-water mixer 1-7;
a gas-water mixer 1-7 for mixing the received ozone gas with water to generate ozone liquid;
the ozone water solution metering pump 1-8 is used for pumping the ozone liquid generated by the gas-water mixer 1-7 into the nozzle 1-11;
and the power distribution and automatic control cabinet 1-9 is used for supplying power to the ozone generator 1-4 and controlling the rotating speed of the air pressurizing pump 1-3, the high-pressure mixing pump 1-6 and the ozone water solution metering pump 1-8.
The preferred embodiment provides a concrete implementation mode of the goods sterilizing and killing device 1 in the storage area, and the structure is simple and convenient to implement.
Further, referring to fig. 2 specifically, in step S1, when the refrigerating temperature in the storage device 3 is zero or above, the specific process of killing the goods in the storage device 3 by the storage area goods killing apparatus 1 in the form of spray by using the generated ozone liquid is as follows:
firstly, an air pressure pump 1-3, a high-pressure mixing pump 1-6 and an air-water mixer 1-7 start to work, and meanwhile, a power distribution and automatic control cabinet 1-9 supplies power to an ozone generator 1-4 to enable the ozone generator 1-4 to start to work; pumping outside air into the ozone generators 1 to 4 through the air pressure pumps 1 to 3, leading ozone gas generated by the ozone generators 1 to 4 into the air-water mixers 1 to 7 through fourth output ports of the ozone generators 1 to 4, leading the third output ports of the ozone generators 1 to 4 to be in a cut-off state, leading the ozone gas output by the first and second output ports of the ozone generators 1 to 4 into the air circulating sterilizing and purifying device 2 of the storage area, and simultaneously leading water in the sterilizing and water tank 1 to 5 into the air-water mixers 1 to 7 through the high-pressure mixing pumps 1 to 6; the gas-water mixer 1-7 mixes ozone gas with water to generate ozone liquid; then the ozone liquid generated by the gas-water mixer 1-7 is pumped into the nozzles 1-11 by the ozone water solution metering pump 1-8 and is sprayed out in a spraying mode, thereby realizing the disinfection and killing of goods in the storage equipment 3.
Further, referring to fig. 2 specifically, in step S1, when the refrigerating temperature in the storage device 3 is below zero, the specific process of the storage area goods killing apparatus 1 killing the goods in the storage device 3 by using the generated ozone gas is as follows:
firstly, an air pressure pump 1-3 starts to work, and meanwhile, a power distribution and automatic control cabinet 1-9 supplies power to an ozone generator 1-4 to enable the ozone generator 1-4 to start to work; the air pressure pump 1-3 pumps the outside air into the ozone generator 1-4, the ozone gas generated by the ozone generator 1-4 is sent into the nozzle 1-11 through the third output port, and is sprayed out in a gas form to sterilize goods in the storage equipment 3;
meanwhile, the fourth output port of the ozone generator 1-4 is in a cut-off state, and ozone gas output by the first output port and the second output port of the ozone generator 1-4 is introduced into the air circulating sterilizing and purifying device 2 of the storage area.
Further, referring specifically to fig. 2, the first structure of the air circulation sterilizing and purifying device 2 for the storage area is: the air circulating, sterilizing and purifying device 2 of the storage area is sequentially divided into a storage area air return section 2-1, an intermediate effect filtering section 2-2, an ultraviolet sterilizing section 2-3, a primary ozone sterilizing section 2-4, a secondary ozone sterilizing section 2-5, a residual ozone control section 2-6 and a circulating fan section 2-7 in the direction from air inlet to air outlet;
the first and second output ports of the ozone generator 1-4 are respectively used for providing ozone gas for the first-stage ozone sterilizing section 2-4 and the second-stage ozone sterilizing section 2-5;
in step S2, the ozone gas output by the air circulation sterilizing and purifying device 2 and the goods sterilizing and purifying device 1 in the storage area is used to sterilize the gas extracted from the storage equipment 3:
firstly, gas in the storage equipment 3 is extracted through the circulating fan section 2-7, the extracted gas sequentially flows through the air return section 2-1 of the storage area to be swirled and then enters the intermediate-effect filtering section 2-2 to be filtered, the filtered gas enters the ultraviolet sterilizing section 2-3 to be subjected to ultraviolet sterilization, the gas subjected to ultraviolet sterilization enters the primary ozone sterilizing section 2-4 to be subjected to primary ozone sterilization, the gas subjected to primary ozone sterilization enters the secondary ozone sterilizing section 2-5 to be subjected to secondary ozone sterilization, the gas subjected to secondary ozone sterilization enters the residual ozone control section 2-6, the residual ozone control section 2-6 is used for carrying out reduction reaction on residual ozone in the gas subjected to secondary ozone sterilization, and the reduced gas is sent into the storage equipment 3 again, so that the gas extracted from the storage equipment 3 is sterilized.
Furthermore, the second structure of the air circulation sterilizing and purifying device 2 in the storage area is as follows: the air circulating, sterilizing and purifying device 2 of the storage area is sequentially divided into a storage area air return section 2-1, an intermediate effect filtering section 2-2, a primary ozone sterilizing section 2-4, a secondary ozone sterilizing section 2-5, an ultraviolet sterilizing section 2-3, a residual ozone control section 2-6 and a circulating fan section 2-7 in the direction from air inlet to air outlet;
the first and second output ports of the ozone generator 1-4 are respectively used for providing ozone gas for the first-stage ozone sterilizing section 2-4 and the second-stage ozone sterilizing section 2-5;
in step S2, the ozone gas output by the air circulation sterilizing and purifying device 2 and the goods sterilizing and purifying device 1 in the storage area is used to sterilize the gas extracted from the storage equipment 3:
firstly, gas in the storage equipment 3 is extracted through a circulating fan section 2-7, the extracted gas sequentially flows through a storage area air return section 2-1 to be swirled and then enters a middle-effect filtering section 2-2 to be filtered, the filtered gas enters a first-stage ozone killing section 2-4 to be subjected to first ozone killing, the gas after the first ozone killing enters a second-stage ozone killing section 2-5 to be subjected to second ozone killing, the gas after the second ozone killing enters an ultraviolet killing section 2-3 to be subjected to ultraviolet killing, the gas after the ultraviolet killing enters a residual ozone control section 2-6, the residual ozone control section 2-6 is subjected to reduction reaction on residual ozone in the gas after the ultraviolet killing, and the reduced gas is sent into the storage equipment 3 again, so that the gas extracted from the storage equipment 3 is killed.
In the preferred embodiment, the ultraviolet disinfection section 2-3 is arranged behind the first-level ozone disinfection section 2-4 and the second-level ozone disinfection section 2-5; the advantage of setting up like this lies in, and when ultraviolet irradiation setting in ozone disinfection back, the coupling of remaining ozone and ultraviolet light can realize the advanced oxidation to virus, bacterium and organic pollutant in the air, and its purifying effect can further promote.
Further, referring specifically to fig. 2, ozone gas flowmeters 12 are disposed on the communication pipes between the first and second output ports of the ozone generators 1-4 and the air circulation sterilizing and purifying device 2 of the storage area.
Furthermore, referring to fig. 2 specifically, a check valve and an electromagnetic valve are arranged on a communication pipeline between the first and second output ports of the ozone generator 1-4 and the air circulating sterilizing and purifying device 2 of the storage area;
a check valve and an electromagnetic valve are also arranged on a pipeline for communicating the third output port of the ozone generator 1-4 with the nozzle 1-11;
check valves and electromagnetic valves are also arranged on all pipelines of the fourth output ports of the ozone generators 1 to 4 communicated with the nozzles 1 to 11;
the power distribution and automatic control cabinets 1-9 are also used for controlling all the electromagnetic valves.
Further, referring to fig. 2 specifically, a rectifying device 4 is arranged between two adjacent sections inside the air circulation sterilizing and purifying device 2 of the storage area, and the rectifying device 4 is used for rectifying the gas input by the rectifying device to enable the gas to output a uniform gas flow.
In the preferred embodiment, the gas flow output by the rectifying device 4 is more uniform and the gas flow is more efficiently killed by the additional rectifying device 4.
Further, referring specifically to fig. 2, the ultraviolet killing section 2-3 is implemented by an ultraviolet killing lamp set;
the circulating fan sections 2-7 are realized by adopting a circulating fan;
the residual ozone control section 2-6 is realized by adopting a filler layer, and one or more of activated carbon, activated carbon fiber, activated carbon loaded with nano iron or activated carbon fiber loaded with nano iron are filled in the filler layer.
In the preferred embodiment, in a specific application, one or more of activated carbon, activated carbon fiber, activated carbon loaded with nano iron, or activated carbon fiber loaded with nano iron is filled in the filler layer, so as to realize rapid reduction or catalytic reduction of residual ozone.
Further, referring specifically to fig. 2, the ozone generators 1-4 output 4 ozone gases with the same or different concentrations according to the received instructions.
Further, referring to fig. 2 specifically, a temperature detection probe, a humidity detection probe and an ozone concentration detection probe are also arranged in the circulating fan section 2-7;
and data acquired by the temperature detection probe, the humidity detection probe and the ozone concentration detection probe are uploaded to a remote terminal in a wireless transmission mode.
In the preferred embodiment, the temperature, the humidity and the ozone concentration are monitored on line in real time by the temperature detection probe, the humidity detection probe and the ozone concentration detection probe.
Further, referring specifically to fig. 2, the integrated device further comprises a photovoltaic power generation and storage device, and both the photovoltaic power generation and storage device are used for supplying power to the goods disinfection device 1 in the storage area and the air circulation disinfection and purification device 2 in the storage area.
When the preferred embodiment is applied specifically, the photovoltaic power generation and storage device can be used for supplying power to the air pressurizing pump 1-3, the ozone generator 1-4, the high-pressure mixing pump 1-6, the gas-water mixer 1-7, the ozone water solution metering pump 1-8 and the power distribution and automatic control cabinet 1-9 in the goods sterilizing and killing device 1 of the storage area, and can also be used for supplying power to the circulating fan in the air circulating sterilizing and purifying device 2 of the storage area.
The technical parameters in the specific application of the killing method realized by adopting the cold-chain logistics storage killing integrated device can be seen in the following table:
although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
1. The killing method is realized by adopting a cold-chain logistics storage killing integrated device, and the cold-chain logistics storage killing integrated device comprises a storage area goods killing device (1) and a storage area air circulation killing and purifying device (2);
the goods sterilizing device (1) in the storage area is used for absorbing outside air to generate ozone gas and ozone liquid, and sterilizing goods in the storage equipment (3) by using the ozone gas or the ozone liquid; also used for providing ozone gas for the air circulating sterilizing and purifying device (2) of the storage area;
the air circulating sterilizing and purifying device (2) of the storage area is used for extracting gas in the storage equipment (3), sterilizing the extracted gas by using ozone gas and then feeding the gas into the storage equipment (3), so that the gas in the storage equipment (3) is sterilized;
the method is characterized by comprising the following steps:
s1, firstly, the goods in the storage equipment (3) are killed by the goods killing device (1) in the storage area, and the method specifically comprises the following steps: when the refrigerating temperature in the storage equipment (3) is below zero, the goods sterilizing device (1) in the storage area sterilizes the goods in the storage equipment (3) by using the generated ozone gas; when the refrigerating temperature in the storage equipment (3) is zero or above, the goods sterilizing device (1) in the storage area sterilizes the goods in the storage equipment (3) in a spraying mode by using the generated ozone liquid;
s2, secondly, ozone gas output by the air circulation sterilizing and purifying device (2) and the goods sterilizing and purifying device (1) of the storage area is used for sterilizing and killing the gas extracted from the storage equipment (3), thereby realizing the comprehensive sterilization and killing of the storage equipment (3).
2. The method for killing the integrated device for killing the cold-chain logistics storage according to claim 1, wherein the device for killing the goods in the storage area (1) comprises an air inlet grille (1-1), a medium-efficiency filter (1-2), an air pressure pump (1-3), an ozone generator (1-4), a water killing tank (1-5), a high-pressure mixing pump (1-6), a gas-water mixer (1-7), an ozone water solution metering pump (1-8), a power distribution and automatic control cabinet (1-9), a No. 1 shell (1-10) and a nozzle (1-11);
an air inlet grille (1-1) is arranged on the side wall of the air inlet side of a No. 1 shell (1-10), a medium-efficiency filter (1-2), an air pressure pump (1-3), an ozone generator (1-4), a sterilizing water tank (1-5), a high-pressure mixing pump (1-6), an air-water mixer (1-7), an ozone water solution metering pump (1-8) and a power distribution and automatic control cabinet (1-9) are all arranged in the No. 1 shell (1-10), and nozzles (1-11) are arranged in a storage device (3);
the air pressurizing pump (1-3) is used for pumping outside air into the ozone generator (1-4), and the outside air sequentially passes through the air inlet grille (1-1) and the intermediate filter (1-2) in the process of being pumped into the ozone generator (1-4), wherein the intermediate filter (1-2) is used for filtering particulate matters in the outside air;
the ozone generator (1-4) is used for generating 4 paths of ozone gas according to the received filtered outside air, and each output port of the ozone generator (1-4) outputs one path of ozone gas, wherein the first output port and the second output port of the ozone generator (1-4) are communicated with the air circulating sterilizing and purifying device (2) of the storage area and are used for providing two paths of ozone gas for the air circulating sterilizing and purifying device (2) of the storage area; the third output port of the ozone generator (1-4) is communicated with the nozzle (1-11);
the fourth output port of the ozone generator (1-4) is communicated with the gas-water mixer (1-7);
the high-pressure mixing pump (1-6) is used for pumping water in the sterilizing water tank (1-5) into the gas-water mixer (1-7);
a gas-water mixer (1-7) for mixing the received ozone gas with water to generate ozone liquid;
an ozone water solution metering pump (1-8) for pumping the ozone liquid generated by the gas-water mixer (1-7) into the nozzle (1-11);
and the power distribution and automatic control cabinet (1-9) is used for supplying power to the ozone generator (1-4) and controlling the rotating speed of the air pressurizing pump (1-3), the high-pressure mixing pump (1-6) and the ozone water solution metering pump (1-8).
3. The method for killing the goods in the warehouse with the integrated device for killing the cold-chain logistics warehouse as claimed in claim 2, wherein in step S1, when the refrigerating temperature in the warehouse (3) is zero or above, the specific process of the device for killing the goods in the warehouse (3) by the ozone liquid generated by the device (1) for killing the goods in the warehouse (3) in the form of spray is as follows:
firstly, an air pressure pump (1-3), a high-pressure mixing pump (1-6) and an air-water mixer (1-7) start to work, and meanwhile, a power distribution and automatic control cabinet (1-9) supplies power to an ozone generator (1-4) to enable the ozone generator (1-4) to start to work; pumping outside air into an ozone generator (1-4) through an air pressurizing pump (1-3), introducing ozone gas generated by the ozone generator (1-4) into a gas-water mixer (1-7) through a fourth output port of the ozone generator, enabling a third output port of the ozone generator (1-4) to be in a cut-off state, introducing ozone gas output by a first output port and a second output port of the ozone generator (1-4) into a warehouse area air circulation sterilizing and purifying device (2), and simultaneously pumping water in a sterilizing water tank (1-5) into the gas-water mixer (1-7) through a high-pressure mixing pump (1-6); the gas-water mixer (1-7) mixes ozone gas with water to generate ozone liquid; then pumping the ozone liquid generated by the gas-water mixer (1-7) into the nozzles (1-11) through the ozone aqueous solution metering pump (1-8) and spraying the ozone liquid in a spray mode, thereby realizing the sterilization of goods in the storage equipment (3).
4. The method for killing the goods in the warehouse with the integrated device for killing the cold-chain logistics warehouse as claimed in claim 2, wherein in step S1, when the refrigerating temperature in the warehouse (3) is below zero, the specific process of the device for killing the goods in the warehouse (3) by the generated ozone gas by the device (1) for killing the goods in the warehouse (3) is as follows:
firstly, an air pressure pump (1-3) starts to work, and meanwhile, a power distribution and automatic control cabinet (1-9) supplies power to an ozone generator (1-4) to enable the ozone generator (1-4) to start to work; the air pressure pump (1-3) pumps the outside air into the ozone generator (1-4), ozone gas generated by the ozone generator (1-4) is sent into the nozzle (1-11) through a third output port of the ozone generator, and is sprayed out in a gas form to sterilize goods in the storage equipment (3);
meanwhile, the fourth output port of the ozone generator (1-4) is in a cut-off state, and ozone gas output by the first output port and the second output port of the ozone generator (1-4) is introduced into the air circulating sterilizing and purifying device (2) of the storage area.
5. The killing method implemented by adopting the integrated device for killing the cold-chain logistics storage according to claim 2, characterized in that the first structure of the air circulation killing and purifying device (2) in the storage area is as follows: the air circulating, sterilizing and purifying device (2) of the storage area is sequentially divided into a storage area air return section (2-1), an intermediate-effect filtering section (2-2), an ultraviolet sterilizing section (2-3), a primary ozone sterilizing section (2-4), a secondary ozone sterilizing section (2-5), a residual ozone control section (2-6) and a circulating fan section (2-7) from the air inlet direction to the air outlet direction;
the first and second output ports of the ozone generator (1-4) are respectively used for providing ozone gas for the first-stage ozone sterilizing section (2-4) and the second-stage ozone sterilizing section (2-5);
in step S2, the ozone gas output by the air circulation sterilizing and purifying device (2) and the goods sterilizing and purifying device (1) in the storage area is used for sterilizing and killing the gas extracted from the storage equipment (3) in the following way:
firstly, gas in the storage equipment (3) is extracted through a circulating fan section (2-7), the extracted gas sequentially passes through a storage area return air section (2-1) to carry out rotational flow and then enters a middle-effect filtering section (2-2) to be filtered, the filtered gas enters an ultraviolet sterilizing section (2-3) to be subjected to ultraviolet sterilization, the gas subjected to ultraviolet sterilization enters a first-stage ozone sterilizing section (2-4) to be subjected to first ozone sterilization, the gas subjected to first ozone sterilization enters a second-stage ozone sterilizing section (2-5) to be subjected to second ozone sterilization, the gas subjected to second ozone sterilization enters a residual ozone control section (2-6), the residual ozone control section (2-6) carries out reduction reaction on residual ozone in the gas subjected to second ozone sterilization, and the reduced gas is sent into the storage equipment (3) again, thereby achieving the disinfection of the gas extracted from the storage equipment (3).
6. The killing method realized by adopting the integrated device for killing the cold-chain logistics storage according to claim 2, characterized in that the second structure of the air circulating and killing and purifying device (2) in the storage area is as follows: the air circulating, sterilizing and purifying device (2) of the storage area is sequentially divided into a storage area air return section (2-1), an intermediate-effect filtering section (2-2), a primary ozone sterilizing section (2-4), a secondary ozone sterilizing section (2-5), an ultraviolet sterilizing section (2-3), a residual ozone control section (2-6) and a circulating fan section (2-7) from the air inlet direction to the air outlet direction;
the first and second output ports of the ozone generator (1-4) are respectively used for providing ozone gas for the first-stage ozone sterilizing section (2-4) and the second-stage ozone sterilizing section (2-5);
in step S2, the ozone gas output by the air circulation sterilizing and purifying device (2) and the goods sterilizing and purifying device (1) in the storage area is used for sterilizing and killing the gas extracted from the storage equipment (3) in the following way:
firstly, gas in the storage equipment (3) is extracted through a circulating fan section (2-7), the extracted gas sequentially passes through a storage area return air section (2-1) to carry out rotational flow and then enters a middle-effect filtering section (2-2) to be filtered, the filtered gas enters a first-stage ozone killing section (2-4) to carry out first ozone killing, the gas after the first ozone killing enters a second-stage ozone killing section (2-5) to carry out second ozone killing, the gas after the second ozone killing enters an ultraviolet killing section (2-3) to carry out ultraviolet ray killing, the gas after the ultraviolet ray killing enters a residual ozone control section (2-6), the residual ozone control section (2-6) carries out reduction reaction on residual ozone in the gas after the ultraviolet ray killing, and the reduced gas is sent into the storage equipment (3) again, thereby achieving the disinfection of the gas extracted from the storage equipment (3).
7. A method as claimed in claim 2, wherein the ozone gas flow meters (12) are provided on the communication lines between the first and second output ports of the ozone generator (1-4) and the air circulation sterilizing and purifying device (2) in the storage area.
8. The method for killing by adopting the integrated device for killing in the cold-chain logistics storage according to the claim 2 or 7, characterized in that a check valve and an electromagnetic valve are arranged on a communicating pipeline between the first and second output ports of the ozone generator (1-4) and the air circulating, killing and purifying device (2) in the storage area;
a check valve and an electromagnetic valve are also arranged on a pipeline for communicating the third output port of the ozone generator (1-4) with the nozzle (1-11);
check valves and electromagnetic valves are also arranged on all pipelines of the fourth output port of the ozone generator (1-4) communicated with the nozzles (1-11);
the power distribution and automatic control cabinets (1-9) are also used for controlling all the electromagnetic valves.
9. A killing method realized by adopting a cold-chain logistics storage killing integrated device according to claim 5 or 6, characterized in that a rectifying device (4) is arranged between two adjacent sections in the air circulation killing and purifying device (2) of the storage area, and the rectifying device (4) is used for rectifying the gas input by the rectifying device to ensure that the gas outputs a uniform gas flow.
10. The killing method realized by adopting the integrated device for killing the cold-chain logistics storage according to the claim 5 or 6, characterized in that the ultraviolet killing section (2-3) is realized by adopting an ultraviolet killing lamp group;
the circulating fan section (2-7) is realized by adopting a circulating fan;
the residual ozone control section (2-6) is realized by adopting a filler layer, and one or more of activated carbon, activated carbon fiber, activated carbon loaded with nano iron or activated carbon fiber loaded with nano iron are filled in the filler layer.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023133654A1 (en) * | 2022-01-11 | 2023-07-20 | 广州工商学院 | Cold chain logistics unmanned delivery vehicle based on epidemic prevention and control |
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