WO2022166633A1

WO2022166633A1 - System and method for utilizing electron-beam irradiation for grain sterilization and disinfection

Info

Publication number: WO2022166633A1
Application number: PCT/CN2022/073370
Authority: WO
Inventors: 唐志宏; 谷胜栋
Original assignee: 湖州超群电子科技有限公司
Priority date: 2021-02-02
Filing date: 2022-01-24
Publication date: 2022-08-11
Also published as: CN114831176A; CN114831176B

Abstract

A system and method for utilizing electron-beam irradiation for grain sterilization and disinfection, comprising an electron-beam source irradiation module, an electron beam source mounting module, a material conveying module, a material tumbling module, and a gas collecting module. The electron beam source irradiation module comprises multiple accelerator apparatus. The accelerator apparatus correspondingly comprise a cathode structure, an anode structure, a light filament, and an anode window. The light filaments correspondingly are mounted on the cathode structures. The light filaments emit an electron beam. The material conveying module comprises multiple conveyor belts and mounting frames below the conveyor belts. The material tumbling module comprises a first tumbling apparatus and a second tumbling apparatus. The first tumbling apparatus and the second tumbling apparatus are provided perpendicular on a horizontal plane. The conveyor belts are triangular structures. Segmentation apparatus are provided on the conveyor belts. The tumbling module also comprises a vertical cylindrical agitator. The gas collecting module is provided above the material tumbling module.

Description

A system and method for sterilizing and sterilizing grain by electron beam irradiation

technical field

The invention relates to the technical field of grain storage, in particular to a system and method for sterilizing and sterilizing grain by electron beam irradiation.

Background technique

my country's annual grain output is large, and reasonable grain storage is of great significance for coping with natural disasters or production reductions. One of the problems that food storage needs to face is spoilage, mold, etc., which will not only cause great losses to the agricultural economy, but also affect the health of consumers.

Under the current technology, the technology to prevent grain from becoming moldy mainly uses some chemical treatment methods and ozone ion anti-mildew methods to improve the grain storage conditions; for improving the grain storage conditions, the cost is usually high, and drying, etc. have a certain dependence on the weather; The use of chemical treatment may pollute the grain, and it is not a completely green treatment method. Therefore, it is necessary to design a system and method for sterilizing and sterilizing grain by electron beam irradiation to solve the above problems.

SUMMARY OF THE INVENTION

Based on the technical problem that the existing grain sterilization and disinfection devices have poor effects on grain sterilization and mildew prevention, the present invention proposes a system and method for sterilizing and sterilizing grain by electron beam irradiation.

A system for sterilizing and sterilizing grain by electron beam irradiation proposed by the present invention includes an electron beam source irradiation module, an electron beam source installation module, a material transport module and a material tumbling module, and the electron beam source irradiation module includes a plurality of accelerators The accelerator device includes a cathode structure, an anode structure, a filament and an anode window, the filament is mounted on the cathode structure, and the filament emits an electron beam.

Preferably, the material transporting module includes a plurality of conveyor belts and a mounting frame at the bottom of the conveyor belt, the material turning module includes a first turning device and a second turning device, and the first turning device and the second turning device are vertical on a horizontal plane The conveyor belt is a triangular structure, and a segmenting device is arranged on the conveyor belt.

Preferably, the material turning module further includes a stirrer, and the stirrer is arranged in a vertical cylindrical shape.

Preferably, a gas collection module is provided above the material turning module, the gas collection module includes a gas collection device and an air duct, one end of the air duct is arranged on the top of the conveyor belt, and the other end of the air duct is located at the anode window, and the gas collection The device is installed in the middle of the airway.

Preferably, the electron beam source installation module includes a plurality of installation brackets, and the plurality of accelerator devices are installed above the material transport module through the installation brackets.

A working method of a system for sterilizing and sterilizing grain by electron beam irradiation, specifically comprising the following steps:

S1: First, install the mounting bracket on the top of the conveyor belt, install the accelerator device on the mounting bracket, make the anode window of the accelerator device face different directions of the conveyor belt, set grain on the conveyor belt, and start the conveyor belt to transmit the grain;

S2: Then start the first turning device and the second turning device, and continuously turn the grain on the conveyor belt; when using the agitator, start the agitator, the conveyor belt will feed the grain into the agitator, and the agitator has a window facing the electron beam source The accelerator device, the electron beam is directly irradiated into the stirrer, the grain is fully irradiated by the electron beam in the stirrer, and the grain is transported into a single-layer distribution by the cylindrical stirrer;

S3: Then start a plurality of accelerator devices to generate an electric field between the cathode and anode, the electron beam generated by the filament is accelerated, the accelerated electrons pass through the anode window, and the electrons are accelerated to bombard the surface of the grain;

S4: then start the gas collection device, the grain will generate ozone after irradiation, and the ozone will be collected and circulated through the gas collection device and the air duct.

Compared with the prior art, the present invention provides a system and method for sterilizing and sterilizing grains by electron beam irradiation, which has the following beneficial effects: the effect of preventing grains from being mouldy is achieved by using electron beam irradiation. There is a great progress in the technology of preventing grains from being moulded. The grains can be sterilized and sterilized without any secondary pollution, so that the storage time of the grains can be prolonged. The technology is very simple and effective, and it can be flexibly arranged on the production line or on the grain handling production line, taking up much less space.

Description of drawings

1 is a system diagram of a system and method for sterilizing and sterilizing grain by electron beam irradiation proposed by the present invention;

2 is a schematic diagram of an accelerator device of a system and method for sterilizing and sterilizing grain by electron beam irradiation proposed by the present invention;

3 is a schematic diagram of conveyor belt transmission of a system and method for sterilizing and sterilizing grain by electron beam irradiation proposed by the present invention;

Fig. 4 is a kind of embodiment 2 agitator schematic diagram of the system and method of grain sterilization and disinfection by electron beam irradiation proposed by the present invention;

5 is a schematic diagram of a gas collection device of a system and method for sterilizing and sterilizing grain by electron beam irradiation proposed by the present invention;

6 is a schematic structural diagram of a conveyor belt of a system and method for sterilizing and sterilizing grain by electron beam irradiation proposed by the present invention.

In the figure: 1. Accelerator device; 2. Grain; 3. Anode structure; 4. Filament; 5. Anode window; 6. Electron beam; 7. Conveyor belt; 8. First turning device; 9. Second turning device; 10 , Stirrer; 11, Gas collection device; 12, Air conduit; 13, Cathode structure.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation are therefore not to be construed as limitations of the present invention.

Example 1

Referring to Figures 1-3, a system for sterilizing and sterilizing grain by electron beam irradiation includes an electron beam source irradiation module, an electron beam source installation module, a material transport module and a material tumbling module. The electron beam source irradiation module includes multiple an accelerator device 1, the 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, and the electron beam 6 is used to irradiate the grain 2. On the surface, kill the viruses and bacteria on the grains, prevent the grains from becoming moldy and deteriorate, and achieve the effect of long-term preservation of the grains.

In the present invention, the material transport module includes a plurality of conveyor belts 7 and a mounting frame at the bottom of the conveyor belt 7, and the material turning module includes a first turning device 8 and a second turning device 9, and the first turning device 8 and the second turning device 9 are on a horizontal plane. The top is vertically arranged, and during the transmission process, the grain 2 receives irradiation through the irradiation range of the electron beam 6 in turn, and finally achieves the purpose of sterilizing and sterilizing the grain;

As shown in Figure 6, the conveyor belt 7 is triangular, similar to an elevator device, and there is a segmenting device on the conveyor belt 7 to segment the grain. During the transmission process, the electron beam 6 illuminates the conveyor belt 7, and then flows to the next The conveyor belt 7 is irradiated by the electron beam 6 again. After many times of conversion and irradiation, the grain surface can be fully sterilized by electron beam 6;

Referring to FIG. 5 , a gas collection module is arranged above the material turning module. The gas collection module includes a gas collection device 11 and an air duct 12 , and one end of the air duct 12 is arranged on the top of the conveyor belt 7 , and the other end of the air duct 12 is located at the anode window 5 . , the gas collection device 11 is installed in the middle of the air duct 12;

The electron beam source installation module includes a plurality of installation brackets, and the plurality of accelerator devices 1 are installed above the material transport module through the installation brackets.

Step 1: First, install the mounting bracket on the top of the conveyor belt 7, install the accelerator device 1 on the mounting bracket, and make the anode window 5 of the accelerator device 1 face different directions of the conveyor belt 7. The conveyor belt 7 is provided with grain 2, Start the conveyor belt 7 to transport the grain 2;

The second step: then start the first inversion device 8 and the second inversion device 9 to continuously invert the grain 2 on the conveyor belt 7; when the mixer 10 is used, start the mixer 10, and the conveyor belt 7 transfers the grain into the mixer 10, The mixer 10 has an accelerator device 1 with a window facing the electron beam source, the electron beam 6 is directly irradiated into the mixer 10, the grain is fully irradiated by the electron beam 6 in the mixer 10, and the grain 2 is transported by the cylindrical mixer 10 distributed in a single layer;

The third step: then start a plurality of accelerator devices 1, generate an electric field between the cathode and anode, the electron beam 6 generated by the filament 4 is accelerated, and the accelerated electrons pass through the anode window 5, so that the electrons are accelerated to bombard the surface of the grain 2. Grain 2 is sterilized;

The fourth step: then start the gas collection device 11, the grain 2 generates ozone after irradiation, and the ozone is collected and circulated through the gas collection device 11 and the air duct 12, and the grain 2 is further sterilized and disinfected.

Example 2

Referring to FIG. 4 , a system for sterilizing and sterilizing grain by electron beam irradiation, the material turning module further includes a stirrer 10 , and the stirrer 10 is arranged in a vertical cylindrical shape.

A working method of a system for sterilizing and sterilizing grain by electron beam irradiation, in the second step, when the agitator 10 is used, the agitator 10 is started, and the conveyor belt 7 transfers the grain into the agitator 10, and the agitator 10 has a The window is facing the accelerator device 1 of the electron beam source, the electron beam 6 is directly irradiated into the agitator 10, and the grain is fully irradiated by the electron beam 6 in the agitator 10, and is fully sterilized and sterilized, and the grain 2 is transported by the cylindrical agitator 10. Distributed in a single layer, the purpose of the cylindrical stirrer 10 is to expose the surface of the grain 2 as much as possible to receive the irradiation of the electron beam 6 to improve the sterilization efficiency.

The control method of the present invention is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art. The supply of power also belongs to the common knowledge in the art, and the present invention is mainly used to protect the mechanical device , so the present invention will not explain the control mode and circuit connection in detail.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims

A system for sterilizing and sterilizing grain by electron beam irradiation, characterized in that it includes an electron beam source irradiation module, an electron beam source installation module, a material transport module and a material tumbling module, and the electron beam source irradiation module includes a plurality of accelerators Device (1), the accelerator device (1) comprising a cathode structure (13), an anode structure (3), a filament (4) and an anode window (5), the filament (4) being mounted on the cathode structure (13) , the filament (4) emits an electron beam (6).
A system for sterilizing and sterilizing grain by electron beam irradiation according to claim 1, wherein the material transport module comprises a plurality of conveyor belts (7) and a mounting frame at the bottom of the conveyor belt (7). The tumbling module includes a first turning device (8) and a second turning device (9), and the first turning device (8) and the second turning device (9) are vertically arranged on a horizontal plane, and the conveyor belt (7) is a triangle Structure, the conveyor belt 7 is provided with a segmenting device.
The system for sterilizing and sterilizing grain by electron beam irradiation according to claim 1, wherein the material turning module further comprises a stirrer (10), and the stirrer (10) is arranged in a vertical cylindrical shape .
A system for sterilizing and sterilizing grain by electron beam irradiation according to claim 1, wherein a gas collection module is arranged above the material turning module, and the gas collection module comprises a gas collection device (11) and A gas conduit (12), one end of the gas conduit (12) is arranged at the top of the conveyor belt (7), the other end of the gas conduit (12) is located at the anode window (5), and the gas collection device (11) is installed on the gas conduit (12) ) middle.
The system for sterilizing and sterilizing grain by electron beam irradiation according to claim 1, wherein the electron beam source installation module comprises a plurality of installation brackets, and a plurality of accelerator devices (1) are installed through the installation brackets above the material transport module.
A working method of a system for sterilizing and sterilizing grain by electron beam irradiation, characterized in that it specifically comprises the following steps:

S1: First, install the mounting bracket on the top of the conveyor belt (7), install the accelerator device (1) on the mounting bracket, and make the anode window (5) of the accelerator device (1) face different directions of the conveyor belt (7). The conveyor belt (7) is provided with grain (2), and the conveyor belt (7) is started to transmit the grain (2);

S2: then start the first inversion device (8) and the second inversion device (9) to continuously invert the grain (2) on the conveyor belt (7); when using the agitator (10), start the agitator (10), The conveyor belt (7) feeds the grain into the agitator (10), the agitator (10) has a window facing the accelerator device (1) of the electron beam source, the electron beam (6) is directly irradiated into the agitator (10), and the grain is in the The agitator (10) is fully irradiated by the electron beam (6), and the grain (2) is transported into a single layer distribution by the cylindrical agitator (10);

S3: Then start a plurality of accelerator devices (1), an electric field is generated between the cathode and anode, the electron beam (6) generated by the filament (4) is accelerated, and the accelerated electrons pass through the anode window (5), causing the electrons to accelerate bombardment to the surface of the grain (2);

S4: then start the gas collection device (11), the grain (2) generates ozone after irradiation, and the ozone is collected and circulated through the gas collection device (11) and the air conduit (12).