CN112243993A - Air-conditioning insecticidal disinfection system - Google Patents
Air-conditioning insecticidal disinfection system Download PDFInfo
- Publication number
- CN112243993A CN112243993A CN202011257527.4A CN202011257527A CN112243993A CN 112243993 A CN112243993 A CN 112243993A CN 202011257527 A CN202011257527 A CN 202011257527A CN 112243993 A CN112243993 A CN 112243993A
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- Prior art keywords
- gas
- branch
- humidity
- airtight enclosure
- control device
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M13/00—Fumigators; Apparatus for distributing gases
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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
-
- 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
-
- 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
- A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
- A61L9/12—Apparatus, e.g. holders, therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/13—Biocide decomposition means, e.g. catalysts, sorbents
-
- 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
Abstract
The invention relates to a gas-conditioning insecticidal disinfection system, which comprises: a powered gas source device configured to provide nitrogen gas having a purity greater than 95%; a sterilizing fluid device configured to contain a sterilizing fluid; the first branch is connected between the power air source device and the airtight enclosure structure; the second branch is communicated with the airtight enclosure structure from a power gas source through a disinfectant device; the tail gas treatment device is communicated with the airtight enclosure structure; and the display control device is electrically connected with the power gas source device, the disinfectant device and the tail gas treatment device and controls the flow rate of the gas in the first branch and the second branch. The application is carried out simultaneously through adopting nontoxic and harmless reagent disinfection and low oxygen gas-adjusting disinsection, and adopts a plurality of branches to adjust gas component proportion and gas humidity, and guarantees that the collection in the airtight enclosure structure is not damaged by pests and microorganisms.
Description
Technical Field
The invention relates to the field of controlled atmosphere disinsection, in particular to a controlled atmosphere disinsection and disinfection system.
Background
The controlled atmosphere disinsection is a safe, environment-friendly, pollution-free and harmless efficient disinsection method. It has become a popular disinsection means in the field of storing cultural relics, books, archives and the like in the collection of cultural institutions. But the controlled-atmosphere disinsection effect is not obvious to the microbial killing effect.
The microorganisms comprise various bacteria, moulds, fungi, viruses and the like, and damage to the Tibetan products such as cultural relics, books, archives and the like is very large, so that a scheme which can treat pests and microorganisms simultaneously, is green, environment-friendly and safe and effectively protects the Tibetan products is urgently needed.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a gas-conditioning insecticidal disinfection system, which comprises: a powered gas source device configured to provide nitrogen gas having a purity greater than 95%; a sterilizing fluid device configured to contain a sterilizing fluid; the first branch is connected between the power air source device and the airtight enclosure structure; the second branch is communicated with the airtight enclosure structure from a power gas source through a disinfectant device; the tail gas treatment device is communicated with the airtight enclosure structure; and the display control device is electrically connected with the power gas source device, the disinfectant device and the tail gas treatment device and controls the flow rate of the gas in the first branch and the second branch.
The system of above, wherein the disinfecting liquid comprises a plant agent and a chemical synthetic agent, wherein the chemical synthetic agent comprises a chlorine dioxide agent.
The system as described above, further comprising: a humidity control device; and a third branch which is communicated with the airtight enclosure structure from the power air source device through the humidity control device.
The system as described above, wherein if the humidity of the gas in the second branch fails to reach the predetermined humidity range at the maximum flow rate, the humidity control device is activated to regulate the humidity of the gas entering the airtight enclosure to reach the predetermined humidity range by the gas in the third branch.
The system as described above, wherein if the humidity of the gas in the second branch exceeds the predetermined humidity range when the flow rate is maximum, the flow rate of the gas in the second branch is decreased so that the humidity of the gas entering the airtight enclosure reaches the predetermined humidity range.
The system as described above, wherein if the humidity of the gas in the second branch exceeds the predetermined humidity range when the flow rate is maximum, all or part of the mixed gas in the first branch and the second branch enters the humidity control device through the fourth branch to be reduced in humidity and then enters the airtight enclosure, so that the humidity of the gas entering the airtight enclosure reaches the predetermined humidity range.
The system as described above, wherein the exhaust gas treatment device extracts gas from the gas-tight enclosure, and the exhaust gas is recovered and then sent back to the gas-tight enclosure.
The system as described above, wherein the gas extracted from the airtight enclosure by the tail gas treatment device is recycled by the tail gas, and then enters the humidity control device through the fifth branch, and then is sent back to the airtight enclosure.
The system as described above, wherein the display and control device comprises a gas regulating pipeline and a plurality of branches connected with the gas regulating pipeline, wherein the plurality of branches connected with the gas regulating pipeline can be controlled to provide the gas with different concentration ratios required in the airtight enclosure.
The system as defined above, wherein the powered air supply means comprises: a purity adjustment device comprising one or more branches that can be controlled to provide gases of different concentration ratios; and a gas distribution device comprising one or more branches that can be controlled to provide gases of different composition ratios.
The application is carried out simultaneously through adopting nontoxic and harmless reagent disinfection and low oxygen gas-adjusting disinsection, and adopts a plurality of branches to adjust gas component proportion and gas humidity, and guarantees that the collection in the airtight enclosure structure is not damaged by pests and microorganisms.
Drawings
Preferred embodiments of the present invention will now be described in further detail with reference to the accompanying drawings, in which:
FIG. 1 is a modified atmosphere insecticidal disinfection system according to one embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
In the following detailed description, reference is made to the accompanying drawings that form a part hereof and in which is shown by way of illustration specific embodiments of the application. In the drawings, like numerals describe substantially similar components throughout the different views. Various specific embodiments of the present application are described in sufficient detail below to enable those skilled in the art to practice the teachings of the present application. It is to be understood that other embodiments may be utilized and structural and logical changes may be made to the embodiments of the present application.
FIG. 1 is a modified atmosphere insecticidal disinfection system according to one embodiment of the present invention. As shown, the modified atmosphere insecticidal sterilization system 100 includes a powered gas source device 110 and a sterilization fluid device 120, wherein the powered gas source device 110 is configured to provide nitrogen gas with a purity of greater than 95%; the sanitizing device 120 is configured to contain a sanitizing liquid. In some embodiments, the disinfecting liquid includes aldehyde fumigants, plant agents, and chemical synthetic agents. Wherein the chemical agent may be a chlorine dioxide agent. The disinfectant is nontoxic and harmless, has good diffusivity, penetrability and use uniformity, is suitable for disinfecting the stored articles such as cultural relics, books, archives and the like, realizes the omnibearing disinfection of the air and the object surface, and effectively prevents the stored articles from being invaded by microorganisms.
The power air source device 110 is connected with the airtight enclosure structure through a first branch, wherein the first branch is provided with an electromagnetic valve 111 and an electromagnetic valve 123. The powered air supply assembly 110 includes, but is not limited to, a nitrogen plant, an air compression system, a filtration purification system, and an air distribution test, which are used to reduce the oxygen content in the air tight enclosure. When the airtight enclosure structure is subjected to oxygen reduction, the electromagnetic valve 111 and the electromagnetic valve 123 and the air outlet of the airtight enclosure structure are opened, nitrogen of the power air source device 110 is conveyed into the airtight enclosure structure through the first branch, and the internal gas is replaced, so that the purpose of reducing the oxygen content is achieved. In some embodiments, powered air supply 110 includes: a purity adjustment device comprising one or more branches that can be controlled to provide gases of different concentration ratios; and a gas distribution device comprising one or more branches that can be controlled to provide gases of different composition ratios.
The second branch is sequentially communicated with the power air source device 110, the disinfectant device 120 and the airtight enclosure, wherein the electromagnetic valve 121 is arranged between the power air source device 110 and the disinfectant device 120, and the electromagnetic valve 122 is arranged between the disinfectant device and the airtight enclosure. In some embodiments, solenoid valve 111, solenoid valve 123, solenoid valve 121, and solenoid valve 122 may be replaced with proportional regulating valves or check valves, etc., as desired. In response to closing the solenoid valves 111 and 124, the solenoid valves 121, 122 and 123 are opened so that the nitrogen gas in the powered gas source device 110 enters the airtight enclosure through the sterilizing liquid device 120 using the second branch. The nitrogen is used for blowing out the disinfectant in the disinfectant, so that the disinfectant gas is diffused into the airtight enclosure structure, the oxygen content in the airtight enclosure structure is reduced, and the disinfection gas can be used for disinfecting the stored goods in the airtight enclosure structure, so that the stored goods are prevented from being damaged by pests and microorganisms.
The controlled atmosphere insecticidal sterilization system 100 further comprises a humidity control device 130 and a third branch, wherein the third branch is communicated with the airtight enclosure from the power air source device 110 through the humidity control device 130. The solenoid valve 131 is disposed between the powered air supply device 110 and the humidity control device 130. The humidity control device 130 is used for controlling the humidity of the passing gas, and is controlled in an isenthalpic humidification mode, the control precision is less than or equal to +/-5%, and the stability is good. In some embodiments, the humidity control device 130 will be able to control the relative humidity of the gas between 20% and 80%.
The crossing point of the first branch and the second branch is connected with the humidity control device 130 through the solenoid valve 124 to form a fourth branch, and the humidity range of the mixed gas from the first branch and the second branch can be adjusted through the fourth branch to meet the requirements of the collection.
The modified atmosphere insecticidal sterilization system 100 further comprises a tail gas treatment device 140 and a display control device 150. The display control device 150 is electrically connected to the power gas source device 110, the disinfectant device 120, the humidity control device 130 and the tail gas treatment device 140. In some embodiments, the display and control device 150 includes a gas regulating circuit and a plurality of branches connected to the gas regulating circuit, wherein the plurality of branches connected to the gas regulating circuit can be controlled to provide different concentration ratios of the gas required within the gas tight enclosure. The display control device is electrically connected with the electromagnetic valves 111, 121, 122, 123, 124, 141, 142, 143 and 143, and is used for controlling the opening and closing of different electromagnetic valves to form a plurality of branches, so as to provide gases with different concentrations and humidity ratios.
In some embodiments, the display and control device 150 includes a controller and an interaction device. The controller can be a single chip microcomputer or a PLC, and controls the device to start or stop working according to a preset program so as to realize certain functions. The interactive device can be a touch screen, can display information such as oxygen concentration, temperature, humidity and disinfectant concentration in the airtight enclosure space, and can also receive data generated by interaction between a user and the touch screen.
The tail gas treatment device 140 is connected with the airtight enclosure structure in an airtight manner and is used for absorbing the disinfectant in the exhaust gas in the airtight enclosure structure and preventing the disinfectant from affecting the environment or human body. In some embodiments, the exhaust gas treatment device 140 is filled with a solution for promoting absorption and conversion of the disinfectant, and the gas in the airtight enclosure is purified by the solution in the exhaust gas treatment device 140 and then discharged.
In some embodiments, the exhaust gas treatment device 140 forms a closed-loop airtight circulation system with the airtight enclosure through the solenoid valve 142, which can recycle the exhaust gas recovered gas back into the airtight enclosure. The gas outlet of the tail gas treatment device 140 is connected with the humidity control device 130 through the electromagnetic valve 141 in an airtight manner to form a fifth branch, and the gas after tail gas recovery firstly enters the humidity control device and then is sent back to the airtight enclosure structure so as to prevent the humidity of the gas in the airtight enclosure structure from being changed.
In some embodiments, the exhaust gas treatment device extracts gas from the airtight enclosure, and the gas is recovered and directly discharged to the atmosphere. The tail gas treatment device 140 is connected with the electromagnetic valve 143, and the tail gas treatment device and the airtight enclosure structure form an open-loop exhaust system.
The power gas source device 110 sends fresh clean gas into the airtight enclosure structure through the electromagnetic valve 111 and the electromagnetic valve 123, or through the electromagnetic valve 131 and the humidity control device 130, and then the fresh clean gas is discharged to the outside through the electromagnetic valve 143, the tail gas treatment device 140 and the electromagnetic valve 143, so that tail gas absorption is realized. In some embodiments, other paths can be selected according to the storage requirement of the stored goods in the airtight enclosure structure to realize the synchronous regulation and control of the humidity and the tail gas treatment.
The controlled atmosphere insecticidal sterilization system 100 further comprises a gas detection device 160 electrically connected to the display and control device 150 for reporting data of detecting gas in the airtight enclosure to the display and control device 150. In some embodiments, gas detection device 160 includes, but is not limited to, an oxygen content detection device, a humidity detection device, a sterilant concentration detection device, and the like.
The types of the stored articles in the airtight enclosing structures are different, and the required gas humidity is different. Too high or too low of a gas humidity can affect the efficiency of modified atmosphere and sterilization. Therefore, the humidity of the gas in the airtight enclosure needs to be controlled for different collections. The humidity of the gas in the airtight envelope is controlled through controlling the flow rate of different branches and the humidity control device.
Taking chlorine dioxide as an example, it is generally considered that temperature, pH, presence or absence of organic matter, and the like have a relatively large influence on the disinfection effect of chlorine dioxide. The inventors have found that humidity changes also have some effect on the disinfection effect. Since many of the items to be disinfected also have a high requirement for humidity, a balance between humidity regulation and disinfection needs to be achieved. In some embodiments, a relative humidity of 48-51% has the best disinfection effect. If the items to be sterilised can be adapted to such a humidity range, the humidity in the air-tight enclosure is adjusted to be between 48-51% for sterilisation. If the humidity range of the article to be disinfected is outside the range, the disinfection treatment can be carried out in an intermittent regulation mode. For example, the sterilization process may be performed by adjusting the humidity within the air-tight enclosure to between 48-51% for a period of time, and then adjusting the humidity within the air-tight enclosure to a humidity suitable for the items to be sterilized. The circular treatment can achieve the best disinfection effect, reduce the use and discharge of the disinfectant and shorten the disinfection time; the items to be disinfected can also be protected against damage due to moderate changes.
Some humidity control methods of the present invention are described below. In some embodiments, if the humidity of the gas in the second branch fails to reach the predetermined humidity range when the flow rate is maximum, the humidity control device 130 is activated to regulate the humidity of the gas entering the airtight enclosure to reach the predetermined humidity range by the gas in the third branch; and if the humidity of the gas in the second branch exceeds the preset humidity range when the flow rate is maximum, reducing the flow rate of the gas in the second branch so that the humidity of the gas entering the airtight enclosure reaches the preset humidity range.
In other embodiments, if the humidity of the gas in the second branch exceeds the predetermined humidity range when the flow rate is maximum, all or part of the mixed gas in the first branch and the second branch enters the humidity control device through the fourth branch to be reduced in humidity and then enters the airtight enclosure, so that the humidity of the gas entering the airtight enclosure reaches the predetermined humidity range.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the scope of the present invention, and therefore, all equivalent technical solutions should fall within the scope of the present invention.
Claims (10)
1. A modified atmosphere insecticidal disinfecting system comprising:
a powered gas source device configured to provide nitrogen gas having a purity greater than 95%;
a sterilizing fluid device configured to contain a sterilizing fluid;
the first branch is connected between the power air source device and the airtight enclosure structure;
the second branch is communicated with the airtight enclosure structure from a power gas source through a disinfectant device;
the tail gas treatment device is communicated with the airtight enclosure structure; and
and the display control device is electrically connected with the power gas source device, the disinfectant device and the tail gas treatment device and controls the flow rate of gas in the first branch and the second branch.
2. The system of claim 1, wherein the disinfecting solution comprises a plant agent and a chemical synthetic agent, wherein the chemical synthetic agent comprises a chlorine dioxide agent.
3. The system of claim 1, further comprising:
a humidity control device; and
and the third branch is communicated with the airtight enclosure structure from the power air source device through the humidity control device.
4. The system of claim 3, wherein the humidity control device is activated to regulate the humidity of the gas entering the air tight enclosure to a predetermined humidity range by the gas in the third branch if the humidity of the gas in the second branch fails to reach the predetermined humidity range at the maximum flow rate.
5. The system of claim 3, wherein if the humidity of the gas in the second branch exceeds the predetermined humidity range at the maximum flow rate, the flow rate of the gas in the second branch is decreased such that the humidity of the gas entering the airtight enclosure reaches the predetermined humidity range.
6. The system of claim 3, wherein if the humidity of the gas in the second branch exceeds the predetermined humidity range when the flow rate is maximum, all or a part of the mixed gas in the first branch and the second branch is made to enter the airtight enclosure through the fourth branch after entering the humidity control device to reduce the humidity, so that the humidity of the gas entering the airtight enclosure reaches the predetermined humidity range.
7. The system of claim 1, wherein the exhaust gas treatment device extracts gas from the gas-tight enclosure, recovers the exhaust gas, and returns the exhaust gas to the gas-tight enclosure.
8. The system of claim 7, wherein the exhaust gas treatment device recovers the exhaust gas from the air tight enclosure and then feeds the recovered exhaust gas to the humidity control device through the fifth branch, and then feeds the recovered exhaust gas back to the air tight enclosure.
9. The system of claim 1, wherein the display and control device comprises a gas conditioning circuit and a plurality of branches connected to the gas conditioning circuit, wherein the plurality of branches connected to the gas conditioning circuit can be controlled to provide different concentration ratios of the gas required within the gas tight enclosure.
10. The system of claim 1, wherein the powered air supply means comprises:
a purity adjustment device comprising one or more branches that can be controlled to provide gases of different concentration ratios; and
gas distribution apparatus comprising one or more branches which can be controlled to provide gases of different component ratios.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257527.4A CN112243993A (en) | 2020-11-11 | 2020-11-11 | Air-conditioning insecticidal disinfection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257527.4A CN112243993A (en) | 2020-11-11 | 2020-11-11 | Air-conditioning insecticidal disinfection system |
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| Publication Number | Publication Date |
|---|---|
| CN112243993A true CN112243993A (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011257527.4A Pending CN112243993A (en) | 2020-11-11 | 2020-11-11 | Air-conditioning insecticidal disinfection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114355995A (en) * | 2021-12-31 | 2022-04-15 | 天津森罗科技股份有限公司 | Environment control system for dehydration and moisture reduction and bacteriostasis and construction method |
-
2020
- 2020-11-11 CN CN202011257527.4A patent/CN112243993A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114355995A (en) * | 2021-12-31 | 2022-04-15 | 天津森罗科技股份有限公司 | Environment control system for dehydration and moisture reduction and bacteriostasis and construction method |
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