CN219167194U - Reaction device for sterilizing cold chain gas - Google Patents
Reaction device for sterilizing cold chain gas Download PDFInfo
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- CN219167194U CN219167194U CN202223525922.3U CN202223525922U CN219167194U CN 219167194 U CN219167194 U CN 219167194U CN 202223525922 U CN202223525922 U CN 202223525922U CN 219167194 U CN219167194 U CN 219167194U
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- chlorine dioxide
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- cold chain
- purifying column
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses a reaction device for sterilizing cold chain gas, which is characterized in that a tower type chlorine dioxide generator is placed in a box body and comprises a chlorine dioxide generating kettle and a purifying column, the chlorine dioxide generating kettle is connected with a feed pipe, a liquid discharge pipe and an air pump, a liquid catching layer is arranged in the chlorine dioxide generating kettle, a mist removing layer is arranged at the upper part of the liquid catching layer, a drying layer is arranged in the purifying column, an axial flow electric hair drier is arranged at the top of the purifying column, and the axial flow electric hair drier is communicated with the inside of the purifying column and the outside of the box body. The utility model is characterized in that: the structure is simple and light, the operation is convenient, the generated high-purity molecular chlorine dioxide gas can move at will to play a role in sterilization and disinfection, gas molecules can be diffused to fine parts of slits of objects and fiber bundles of fabrics, the molecules are adsorbed by the objects according to Van der Waals force and uniformly spread on the surfaces of the objects, the thickness of a molecular adsorption layer is increased at low temperature, the sterilization effect is better, and the sterilization and disinfection can be performed comprehensively and thoroughly without dead angles.
Description
Technical Field
The utility model relates to the technical field related to sterilization and disinfection, in particular to a reaction device for sterilizing cold chain gas.
Background
Before the cold chain food container is unloaded and replaced, the frozen food in the container must be strictly sterilized.
At present, a low-temperature water disinfectant is mainly adopted, wherein the component playing a role in disinfection is a chlorine preparation (such as sodium dichloroisocyanurate and the like), the rest component is a medicament for reducing the solidifying point of a solution, such as calcium chloride, ethanol, glycol and the like, the low-temperature water disinfectant is essentially a chlorine preparation, the low-temperature water disinfectant is not suitable for disinfecting food articles, the water disinfectant is in a spray form when being used, fine fog drops are difficult to enter slits of the articles, the phenomenon of wetting wall is easy to generate due to excessive spraying quantity, the appearance is influenced, and the carrying is inconvenient.
Besides the low-temperature water agent, the ozone generating device is also used for sterilizing and disinfecting articles in the cold chain container, and has the defects that ozone is a gas with a pungent special odor, can smell when the concentration is more than 0.01mg/L, influences the lung function of a human body, and in addition, nitrogen oxides such as nitric oxide, nitrogen dioxide and the like are generated simultaneously in the ozone generating process, are all pungent gases, greatly harm to the human body, pollute the working environment and are corrosive to equipment.
As is well known, chlorine dioxide is a strong oxidant, and the World Health Organization (WHO) lists the chlorine dioxide as a broad-spectrum safe disinfectant of class A1, has better performance than chlorine preparations in sterilization and disinfection, has wide application fields, and is listed in the ministry of health (2002 edition) on specific application of chlorine dioxide, and in the chlorine dioxide disinfectant sanitation standards GB26366-2010 and GB/T26366-2021, but chlorine dioxide products are water aquas and tablets.
Accordingly, there is a need for a device for sterilizing cold chain containers that can sterilize cold chain items.
Disclosure of Invention
The utility model aims to overcome the defects and provide a reaction device for sterilizing cold chain gas.
The technical scheme adopted by the utility model for achieving the purpose is as follows: the utility model provides a reaction unit for gaseous disinfection of cold chain, includes the box, tower chlorine dioxide generator has been placed in the box, tower chlorine dioxide generator includes the chlorine dioxide generation cauldron and sets up at chlorine dioxide generation cauldron upper portion and the purifying column of intercommunication with it, chlorine dioxide generation cauldron upper portion intercommunication has the inlet pipe, and the lower part intercommunication has fluid-discharge tube, air pump, inlet pipe, fluid-discharge tube, air pump all are located the box, the inside liquid catching layer that is provided with of chlorine dioxide generation cauldron, liquid catching layer upper portion is provided with the defogging layer, the height that liquid catching layer set up is higher than the inlet pipe, the inside drier that is provided with of purifying column, the purifying column top is provided with axial-flow hairdryer, axial-flow hairdryer one end is located drier top and purifying column inside intercommunication, the other end and box outside intercommunication.
The drying layer comprises a sodium sulfate drying agent layer, a calcium oxide drying agent layer, a calcium sulfate drying agent layer and a modified molecular sieve layer which are sequentially arranged from bottom to top.
A color-changing silica gel layer is arranged between the calcium sulfate drying agent layer and the modified molecular sieve layer, and a window is arranged at the position of the purification column, which is positioned at the color-changing silica gel layer.
The drying layer is arranged in the drawer, the drawer is slidably mounted on the inner wall of the purifying column, and sieve holes are formed in the bottom of the drawer.
The air pump inlet is connected with a dust filter, and the dust filter is arranged in the box body.
The air pump outlet is connected with an air disperser, and the air disperser is arranged at the bottom of the chlorine dioxide generating kettle.
The bottom of the box body is provided with box body casters.
The utility model is characterized in that: the structure is simple and light, the operation is convenient, the high-purity molecular chlorine dioxide gas generated by the high-purity molecular chlorine dioxide gas can move at will in an operation area to play a role in sterilization and disinfection, gas molecules can be diffused to fine parts of slits of objects and fiber bundles of fabrics, the chlorine dioxide molecules are adsorbed by the objects according to Van der Waals force and uniformly spread on the surfaces of the objects, the thickness of a molecular adsorption layer is increased at low temperature, and the sterilization effect is better, so that the high-purity molecular chlorine dioxide gas can be used for sterilizing and disinfecting stacked objects in a cold chain container comprehensively and thoroughly without dead angles.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of the structure of the tower-type chlorine dioxide generator of the present utility model.
Fig. 3 is a schematic diagram of the drawer structure of the present utility model.
Wherein: 1. the device comprises a box body 11, box body casters 2, a tower-type chlorine dioxide generator 21, a purifying column 211, a sodium sulfate drying agent layer 212, a calcium oxide drying agent layer 213, a calcium sulfate drying agent layer 214, a color-changing silica gel layer 215, a modified molecular sieve layer 216, drawers 2161, sieve holes 22, a chlorine dioxide generating kettle 221, a liquid catching layer 222, a demisting layer 3, a feeding pipe 4, a liquid discharge pipe 5, an axial flow type electric hair drier 6, an air pump 61, an air disperser 7, a dust filter 8, an electric cabinet 9 and a window.
Detailed Description
As shown in fig. 1-3, the utility model is a reaction device for sterilizing cold chain gas, comprising a box body 1, wherein the bottom of the box body 1 is provided with a box body trundle 11 which is convenient for moving the utility model, a tower type chlorine dioxide generator 2 is arranged in the box body 1, the tower type chlorine dioxide generator 2 is divided into an upper layer and a lower layer, and comprises a chlorine dioxide generating kettle 22 arranged at the lower part and a purifying column 21 arranged at the upper part of the chlorine dioxide generating kettle 22 and communicated with the chlorine dioxide generating kettle.
The chlorine dioxide generation kettle 22 is internally provided with an original high-purity high-concentration chlorine dioxide aqueous solution, the upper part of the chlorine dioxide generation kettle 22 is communicated with a feed pipe 3 arranged in a box body 1 and used for inputting the original high-purity high-concentration chlorine dioxide aqueous solution into the chlorine dioxide generation kettle 22, the lower part of the chlorine dioxide generation kettle 22 is communicated with a drain pipe 4 arranged in the box body 1 and used for discharging the original high-purity high-concentration chlorine dioxide aqueous solution in the chlorine dioxide generation kettle 22, the box body 1 is internally provided with an air pump 6 communicated with the chlorine dioxide generation kettle 22 and used for conveying air into the chlorine dioxide generation kettle 22 through the air pump 6, the inlet of the air pump 6 is connected with a dust filter 7, the dust filter 7 is arranged in the box body 1 and used for filtering impurities such as dust in the air through the dust filter 7, the outlet of the air filter 6 is connected with an air disperser 61, the air disperser 61 is arranged at the bottom of the chlorine dioxide generation kettle 22 and used for dispersing the air into the original high-purity high-concentration chlorine dioxide aqueous solution in the chlorine dioxide generation kettle 22 through the air disperser 61, the air pump 22 is higher than 3 and is used for intercepting water mist and removing the free mist 221, and the free mist 221 is arranged at the inlet pipe 222.
The purification column 21 is internally provided with a drying layer which is of a five-layer structure and comprises a sodium sulfate drying agent layer 211, a calcium oxide drying agent layer 212, a calcium sulfate drying agent layer 213, a color-changing silica gel layer 214 and a modified molecular sieve layer 215 which are sequentially arranged from bottom to top, wherein the sodium sulfate drying agent layer 211 adopts solid sodium sulfate particles which belong to neutral drying agents and are usually used as a predrying layer, the advantages are that the water absorption capacity is large, the calcium oxide of the calcium oxide drying agent layer 212 belongs to chemical drying agents, the calcium oxide is characterized by irreversible chemical reaction with water, the absorption capacity is more than 35 percent of the weight of the calcium oxide, the calcium sulfate of the calcium sulfate drying agent layer 213 belongs to neutral drying agents, the absorption speed is high, the residual water in the air after water absorption is small, the color-changing silica gel of the color-changing silica gel layer 214 is characterized by large water absorption capacity and the residual water in the gas phase after water absorption is small, the color-changing silica gel layer 214 is provided with a window 9, the color-changing silica gel layer 214 can be used as an indication layer, the color change of the color-changing silica gel layer can be observed through the window 9, a drying agent can be replaced timely, the color-changing silica gel can be regenerated and can be repeatedly used for a plurality of times, the modified molecular sieve of the modified molecular sieve layer 215 has the function of deeply drying gas, the sodium sulfate drying agent layer 211, the calcium oxide drying agent layer 212, the calcium sulfate drying agent layer 213, the color-changing silica gel layer 214 and the modified molecular sieve layer 215 are all arranged in respective drawers 216, the drawers 216 are all slidably arranged on the inner wall of the purifying column 21 so as to be convenient for replacing the drying layer, the bottom of each drawer 216 is provided with a sieve mesh 2161 so as to be convenient for air flow, the top of the purifying column 21 is provided with an axial flow electric hair drier 5, one end of the axial flow electric hair drier 5 is positioned above the drying layer and is communicated with the inside the purifying column 21, the other end is communicated with the outside of the box body 1, the axial flow electric hair drier 5 can overcome the resistance of five layers of drying agent layers to air flow and also can overcome the resistance generated when air flows through an air hose connected between the air pump 6 and the cold chain container, the air pump 6 and the axial flow electric hair drier 5 are controlled by the electric control box 8, and the electric control box 8 is arranged on the box body 1.
When the device is used, the device is moved to the side of a cold chain container, an original high-purity high-concentration chlorine dioxide aqueous solution is added into a chlorine dioxide generating kettle 22 through a liquid adding pipe 3, an air pump 6 is started through an electric cabinet 8, air forms tiny bubbles in the original high-purity solution through a dust filter 7, the air pump 6 and an air disperser 61, saturated chlorine dioxide steam is called chlorine dioxide wet air in the tiny bubbles, the tiny bubbles float upwards, break away from the upper surface of the original high-purity high-concentration chlorine dioxide aqueous solution and are converged into a chlorine dioxide wet air flow, free water drops in the wet air flow are trapped through a liquid trapping layer 221, the chlorine dioxide wet air flow passes through a mist removing layer 222, a small amount of tiny free mist drops remained in the air flow are removed, then the air flow enters a purifying column 21, dry molecular chlorine dioxide gas is formed after five-stage dehydration, and is sent into the cold chain container through a top axial flow type electric blower 5, and frozen articles are killed.
The utility model has simple and light structure, convenient operation and random movement in an operation area, the generated high-purity molecular chlorine dioxide gas has the sterilization and disinfection effects, gas molecules can be diffused to the fine parts of the slits of the object and between fiber bundles of the fabric, the chlorine dioxide molecules are adsorbed by the object according to Van der Waals force and uniformly spread on the surface of the object, the low temperature is more favorable for increasing the thickness of a molecular adsorption layer, and the sterilization effect is better, so that the high-purity molecular chlorine dioxide gas can achieve the effects of not leaving dead angles and comprehensively and thoroughly sterilizing and disinfecting the stacked objects in the cold chain container.
The sterilization function test (detection according to the standard WS/T774-2021, the sterilization effect test method of disinfectant laboratory GB/T38502-2020) of the utility model for the cold chain container is as follows:
six goods are filled in a cold chain container body (length is 9.6 meters, width is 2.4 meters and height is 3.0 meters), 10-12 layers of single-package goods are arranged on each frame, the temperature in the container is-25 ℃, the number of microorganism samples is 60, 30 sampling points are arranged, 45g of dry molecular chlorine dioxide gas is filled into the cold chain container, the samples are taken out after the dry molecular chlorine dioxide gas is mixed with air in the cold chain container for one hour, and the disinfection effect is monitored as follows:
indication microorganism name: staphylococcus aureus (ATCC 6538)/escherichia coli (8099);
object surface indicates average microbial kill (%): 99.9% or more;
sample number (number): 60;
the object surface indicates the number of samples (of which the average microorganism killing rate is more than or equal to 99.9 percent): 60;
the average killing rate of the indicator bacteria on the surface of the object is more than or equal to 99.9 percent, and the sample number is in ratio (%): 100%.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should be covered by the protection scope of the present utility model by making equivalents and modifications to the technical solution and the inventive concept thereof.
Claims (7)
1. A reaction unit for gaseous disinfection of cold chain, its characterized in that: the chlorine dioxide generator comprises a box body, a tower type chlorine dioxide generator is placed in the box body, the tower type chlorine dioxide generator comprises a chlorine dioxide generating kettle and a purifying column which is arranged on the upper portion of the chlorine dioxide generating kettle and communicated with the chlorine dioxide generating kettle, a feed pipe is communicated with the upper portion of the chlorine dioxide generating kettle, a liquid discharge pipe and an air pump are communicated with the lower portion of the chlorine dioxide generating kettle, the feed pipe, the liquid discharge pipe and the air pump are all located in the box body, a liquid catching layer is arranged inside the chlorine dioxide generating kettle, a mist removing layer is arranged on the upper portion of the liquid catching layer, the height of the liquid catching layer is higher than that of the feed pipe, a drying layer is arranged inside the purifying column, an axial flow electric hair drier is arranged at the top of the purifying column, one end of the axial flow electric hair drier is located above the drying layer and is communicated with the inside the purifying column, and the other end of the axial flow electric hair drier is communicated with the outside of the box body.
2. A reaction device for cold chain gas sterilization as defined in claim 1, wherein: the drying layer comprises a sodium sulfate drying agent layer, a calcium oxide drying agent layer, a calcium sulfate drying agent layer and a modified molecular sieve layer which are sequentially arranged from bottom to top.
3. A reaction device for cold chain gas sterilization as defined in claim 2, wherein: a color-changing silica gel layer is arranged between the calcium sulfate drying agent layer and the modified molecular sieve layer, and a window is arranged at the position of the purification column, which is positioned at the color-changing silica gel layer.
4. A reaction device for cold chain gas sterilization as defined in claim 1, wherein: the drying layer is arranged in the drawer, the drawer is slidably mounted on the inner wall of the purifying column, and sieve holes are formed in the bottom of the drawer.
5. A reaction device for cold chain gas sterilization as defined in claim 1, wherein: the air pump inlet is connected with a dust filter, and the dust filter is arranged in the box body.
6. A reaction device for cold chain gas sterilization as defined in claim 1, wherein: the air pump outlet is connected with an air disperser, and the air disperser is arranged at the bottom of the chlorine dioxide generating kettle.
7. A reaction device for cold chain gas sterilization as defined in claim 1, wherein: the bottom of the box body is provided with box body casters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223525922.3U CN219167194U (en) | 2022-12-29 | 2022-12-29 | Reaction device for sterilizing cold chain gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223525922.3U CN219167194U (en) | 2022-12-29 | 2022-12-29 | Reaction device for sterilizing cold chain gas |
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| Publication Number | Publication Date |
|---|---|
| CN219167194U true CN219167194U (en) | 2023-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223525922.3U Active CN219167194U (en) | 2022-12-29 | 2022-12-29 | Reaction device for sterilizing cold chain gas |
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| Country | Link |
|---|---|
| CN (1) | CN219167194U (en) |
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2022
- 2022-12-29 CN CN202223525922.3U patent/CN219167194U/en active Active
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