CN114831176B - System and method for sterilizing grains by utilizing electron beam irradiation - Google Patents
System and method for sterilizing grains by utilizing electron beam irradiation Download PDFInfo
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- CN114831176B CN114831176B CN202110144600.5A CN202110144600A CN114831176B CN 114831176 B CN114831176 B CN 114831176B CN 202110144600 A CN202110144600 A CN 202110144600A CN 114831176 B CN114831176 B CN 114831176B
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- electron beam
- stirrer
- grains
- grain
- module
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- 238000010894 electron beam technology Methods 0.000 title claims abstract description 58
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims description 21
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 4
- 230000000249 desinfective effect Effects 0.000 claims description 3
- 230000005684 electric field Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims 3
- 230000001133 acceleration Effects 0.000 claims 1
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 7
- 238000003860 storage Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 ozone ion Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/06—Preserving by irradiation or electric treatment without heating effect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
-
- 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
- A61L2/24—Apparatus using programmed or automatic operation
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K5/00—Irradiation devices
- G21K5/10—Irradiation devices with provision for relative movement of beam source and object to be irradiated
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Abstract
The invention belongs to the technical field of grain storage, in particular to a system and a method for sterilizing grain by utilizing electron beam irradiation, which aim at the problem that the existing grain sterilization and disinfection device has poor sterilization and mildew prevention effects on grain. Compared with the existing technology for preventing grains from mildew, the invention has great progress, and can sterilize grains without any secondary pollution, thus prolonging the time for storing grains.
Description
Technical Field
The invention relates to the technical field of grain storage, in particular to a system and a method for sterilizing grains by utilizing electron beam irradiation.
Background
The grain yield of our country is large each year, and reasonable grain storage has great significance for coping with natural disasters or the condition of yield reduction. One of the difficulties faced in the storage of foodstuffs is spoilage, mould formation, etc., which not only causes great losses to the agricultural economy but also affects the health of the consumer.
Under the current technology, the technology for preventing the grain from mildew mainly uses a plurality of chemical treatment methods and ozone ion mildew prevention methods by improving the grain storage conditions; for improving the grain storage condition, the cost is generally higher, and the airing and the like have certain dependence on weather; the chemical treatment may pollute grains and is not a completely green treatment, so a system and a method for sterilizing grains by using electron beam irradiation are needed to solve the above problems.
Disclosure of Invention
Based on the technical problem that the existing grain sterilization and disinfection device has poor mildew-proof effect on grain sterilization, the invention provides a system and a method for sterilizing and disinfecting grains by utilizing electron beam irradiation.
The invention provides a system for sterilizing grains by utilizing electron beam irradiation, which comprises an electron beam source irradiation module, an electron beam source installation module, a material transportation module and a material rolling module, wherein the electron beam source irradiation module comprises a plurality of accelerator devices, each accelerator device comprises a cathode structure, an anode structure, a filament and an anode window, the filament is installed on the cathode structure, and the filament emits electron beams.
Preferably, the material transportation module comprises a plurality of conveyer belts and a mounting frame at the bottom of the conveyer belts, the material rolling module comprises a first turning device and a second turning device, the first turning device and the second turning device are vertically arranged on a horizontal plane, the conveyer belts are of triangular structures, and the conveyer belts are provided with sectioning devices.
Preferably, the material overturning module further comprises a stirrer, and the stirrer is arranged in a vertical cylinder shape.
Preferably, the material overturning module is provided with gas collection module top, gas collection module includes gas collection device and air duct, and air duct one end sets up in the conveyer belt top, and the air duct other end is located positive pole window department, gas collection device installs at the air duct middle part.
Preferably, the electron beam source mounting module includes a plurality of mounting brackets, and the plurality of accelerator devices are mounted above the material transport module by the mounting brackets.
The working method of the system for sterilizing grains by utilizing electron beam irradiation specifically comprises the following steps:
s1: firstly, mounting a mounting bracket above a conveyor belt, mounting an accelerator device on the mounting bracket, enabling anode windows of the accelerator device to face different directions of the conveyor belt, arranging grains on the conveyor belt, and starting the conveyor belt to transmit the grains;
s2: starting the first turning device and the second turning device, and continuously turning grains on the conveying belt; when the stirrer is used, the stirrer is started, the grain is conveyed into the stirrer by the conveyor belt, the stirrer is provided with an accelerator device with a window opposite to the electron beam source, the electron beam directly irradiates into the stirrer, the grain fully receives the electron beam irradiation in the stirrer, and the grain is conveyed into single-layer distribution by the cylindrical stirrer;
s3: then starting a plurality of accelerator devices to generate an electric field between the anode and the cathode, accelerating electron beams generated by the filament, enabling the accelerated electrons to pass through the anode window, and enabling the electrons to bombard the grain surface in an accelerating way;
s4: then, the gas collecting device is started, ozone is generated after the grain is radiated, and the ozone is collected and circulated through the gas collecting device and the air duct.
Compared with the prior art, the invention provides a system and a method for sterilizing grains by utilizing electron beam irradiation, which have the following beneficial effects: compared with the prior art, the method has the advantages that the cost for sterilizing and disinfecting the grains is low, the technology is very simple and effective, the method can be flexibly arranged on a production line or a production line for carrying the grains, and the occupied space is very small.
Drawings
FIG. 1 is a system diagram of a system and method for sterilizing grain using electron beam irradiation in accordance with the present invention;
FIG. 2 is a schematic view of an accelerator apparatus for a system and method for sterilizing grain using electron beam irradiation in accordance with the present invention;
FIG. 3 is a schematic diagram of a conveyor belt transmission of a system and method for sterilizing grain using electron beam irradiation in accordance with the present invention;
FIG. 4 is a schematic diagram of a stirrer according to an embodiment 2 of a system and method for sterilizing grains by electron beam irradiation according to the present invention;
FIG. 5 is a schematic diagram of a gas collection apparatus for a system and method for sterilizing grain using electron beam irradiation in accordance with the present invention;
fig. 6 is a schematic diagram of a conveyor belt structure of a system and a method for sterilizing grains by electron beam irradiation according to the present invention.
In the figure: 1. an accelerator device; 2. grain; 3. an anode structure; 4. a filament; 5. an anode window; 6. an electron beam; 7. a conveyor belt; 8. a first turning device; 9. a second turning device; 10. a stirrer; 11. a gas collection device; 12. an air duct; 13. a cathode structure.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
Referring to fig. 1 to 3, a system for sterilizing grain by electron beam irradiation includes an electron beam source irradiation module, an electron beam source installation module, a material transportation module and a material tumbling module, wherein the electron beam source irradiation module includes a plurality of accelerator devices 1, each accelerator device 1 includes a cathode structure 13, an anode structure 3, a filament 4 and an anode window 5, the filament 4 is installed on the cathode structure 13, the filament 4 emits an electron beam 6, the surface of the grain 2 is irradiated by the electron beam 6, viruses and bacteria on the grain 2 are killed, the grain 2 is prevented from mildew and deterioration, and the long-term storage effect of the grain 2 is achieved.
According to the invention, the material transportation module comprises a plurality of conveyor belts 7 and a mounting frame at the bottom of the conveyor belts 7, the material rolling module comprises a first turning device 8 and a second turning device 9, the first turning device 8 and the second turning device 9 are vertically arranged on a horizontal plane, in the transmission process, grains 2 are sequentially irradiated in an irradiation range of an electron beam 6, and finally the purpose of sterilizing the grains is achieved;
as shown in fig. 6, the conveyor belt 7 is triangular, like an elevator apparatus, and a sectioning device is provided on the conveyor belt 7 to section the grain, and during the transmission, the electron beam 6 irradiates the conveyor belt 7, and then the fall-type flow to the next conveyor belt 7, and the grain is irradiated again by the electron beam 6. After multiple conversion and irradiation, the surface of the grain can be fully subjected to sterilization and disinfection by the electron beam 6;
referring to fig. 5, a gas collecting module is arranged above the material overturning module, the gas collecting module comprises a gas collecting device 11 and a gas guide tube 12, one end of the gas guide tube 12 is arranged at the top of the conveyor belt 7, the other end of the gas guide tube 12 is positioned at the anode window 5, and the gas collecting device 11 is arranged in the middle of the gas guide tube 12;
the electron beam source mounting module includes a plurality of mounting brackets, and a plurality of accelerator devices 1 are mounted above the material transporting module through the mounting brackets.
The working method of the system for sterilizing grains by utilizing electron beam irradiation specifically comprises the following steps:
the first step: firstly, mounting a mounting bracket above a conveyor belt 7, mounting an accelerator device 1 on the mounting bracket, enabling anode windows 5 of the accelerator device 1 to face different directions of the conveyor belt 7, arranging grains 2 on the conveyor belt 7, and starting the conveyor belt 7 to convey the grains 2;
and a second step of: starting the first turning device 8 and the second turning device 9, and continuously turning the grains 2 on the conveying belt 7; when the stirrer 10 is used, the stirrer 10 is started, the grain is conveyed into the stirrer 10 by the conveyor belt 7, the stirrer 10 is provided with a window which is opposite to the accelerator device 1 of the electron beam source, the electron beam 6 is directly irradiated into the stirrer 10, the grain is fully irradiated by the electron beam 6 in the stirrer 10, and the grain 2 is conveyed into single-layer distribution by the cylindrical stirrer 10;
and a third step of: then, starting a plurality of accelerator devices 1 to generate an electric field between the anode and the cathode, accelerating an electron beam 6 generated by a filament 4, enabling the accelerated electrons to pass through an anode window 5, enabling the electrons to bombard the surface of the grain 2 in an accelerating way, and sterilizing the grain 2;
fourth step: then the gas collecting device 11 is started, ozone is generated after the grain 2 is radiated, and the ozone is collected and circulated through the gas collecting device 11 and the air duct 12, so that the grain 2 is further sterilized.
Example 2
Referring to fig. 4, a system for sterilizing grains by electron beam irradiation, the material overturning module further comprises a stirrer 10, and the stirrer 10 is arranged in a vertical cylinder shape.
In the second step, when the stirrer 10 is used, the stirrer 10 is started, the grain is conveyed into the stirrer 10 by the conveyor belt 7, the stirrer 10 is provided with a window opposite to the accelerator device 1 of the electron beam source, the electron beam 6 is directly irradiated into the stirrer 10, the grain is fully irradiated by the electron beam 6 in the stirrer 10 for comprehensive sterilization, the grain 2 is conveyed into single-layer distribution by the cylindrical stirrer 10, and the purpose of the cylindrical stirrer 10 is to expose the surface of the grain 2 as much as possible, receive the irradiation of the electron beam 6 and improve the sterilization efficiency.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the invention is mainly used for protecting a mechanical device, so the invention does not explain the control mode and circuit connection in detail.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. A system for sterilizing grain by using electron beam irradiation, which is characterized by comprising an electron beam source irradiation module, an electron beam source installation module, a material transportation module and a material rolling module, wherein the electron beam source irradiation module comprises a plurality of accelerator devices (1), each accelerator device (1) comprises a cathode structure (13), an anode structure (3), a filament (4) and an anode window (5), the filament (4) is installed on the cathode structure (13), and the filament (4) emits electron beams (6);
the material conveying module comprises a plurality of conveying belts (7) and a mounting frame at the bottom of the conveying belts (7), the material rolling module comprises a first turning device (8) and a second turning device (9), the first turning device (8) and the second turning device (9) are vertically arranged on a horizontal plane, the conveying belts (7) are of triangular structures, and a sectioning device is arranged on the conveying belts (7);
the material overturning module further comprises a stirrer (10), and the stirrer (10) is arranged in a vertical cylindrical shape;
the electron beam source mounting module comprises a plurality of mounting brackets, and a plurality of accelerator devices (1) are mounted above the material transportation module through the mounting brackets.
2. The system for sterilizing and disinfecting grains by utilizing electron beam irradiation according to claim 1, wherein a gas collecting module is arranged above the material overturning module, the gas collecting module comprises a gas collecting device (11) and a gas guide tube (12), one end of the gas guide tube (12) is arranged at the top of the conveyor belt (7), the other end of the gas guide tube (12) is positioned at the anode window (5), and the gas collecting device (11) is arranged in the middle of the gas guide tube (12).
3. The working method of the system for sterilizing grains by using electron beam irradiation is characterized by comprising the following steps:
s1: firstly, mounting a mounting bracket above a conveyor belt (7), mounting an accelerator device (1) on the mounting bracket, enabling anode windows (5) of the accelerator device (1) to face different directions of the conveyor belt (7), arranging grains (2) on the conveyor belt (7), and starting the conveyor belt (7) to transmit the grains (2);
s2: starting a first turning device (8) and a second turning device (9) to continuously turn over the grains (2) on the conveyor belt (7); when the stirrer (10) is used, the stirrer (10) is started, the grain is conveyed into the stirrer (10) by the conveyor belt (7), the stirrer (10) is provided with an accelerator device (1) with a window opposite to an electron beam source, the electron beam (6) directly irradiates into the stirrer (10), the grain is fully irradiated by the electron beam (6) in the stirrer (10), and the grain (2) is conveyed into single-layer distribution by the cylindrical stirrer (10);
s3: then, a plurality of accelerator devices (1) are started to generate an electric field between the anode and the cathode, an electron beam (6) generated by a filament (4) is accelerated, and electrons after acceleration pass through an anode window (5) to enable the electrons to be accelerated and bombarded on the surface of grains (2);
s4: then starting a gas collecting device (11), radiating grains (2) to generate ozone, and collecting and circulating the ozone through the gas collecting device (11) and an air duct (12);
the first turnover device (8) and the second turnover device (9) are vertically arranged on a horizontal plane, the conveying belt (7) is of a triangular structure, and the conveying belt (7) is provided with a sectioning device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110144600.5A CN114831176B (en) | 2021-02-02 | 2021-02-02 | System and method for sterilizing grains by utilizing electron beam irradiation |
| PCT/CN2022/073370 WO2022166633A1 (en) | 2021-02-02 | 2022-01-24 | System and method for utilizing electron-beam irradiation for grain sterilization and disinfection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110144600.5A CN114831176B (en) | 2021-02-02 | 2021-02-02 | System and method for sterilizing grains by utilizing electron beam irradiation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114831176A CN114831176A (en) | 2022-08-02 |
| CN114831176B true CN114831176B (en) | 2023-08-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110144600.5A Active CN114831176B (en) | 2021-02-02 | 2021-02-02 | System and method for sterilizing grains by utilizing electron beam irradiation |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114831176B (en) |
| WO (1) | WO2022166633A1 (en) |
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| EP1004522A2 (en) * | 1998-11-24 | 2000-05-31 | Daiki Foods Yugen Kaisha | Pouch for containing retort food |
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- 2022-01-24 WO PCT/CN2022/073370 patent/WO2022166633A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114831176A (en) | 2022-08-02 |
| WO2022166633A1 (en) | 2022-08-11 |
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