CN113470861B

CN113470861B - Irradiation system

Info

Publication number: CN113470861B
Application number: CN202110786851.3A
Authority: CN
Inventors: 崔爱军; 张立锋; 朱志斌; 窦玉玲; 刘保杰; 秦成
Original assignee: China Institute of Atomic of Energy
Current assignee: China Institute of Atomic of Energy
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2024-05-14
Anticipated expiration: 2041-07-12
Also published as: CN113470861A

Abstract

An irradiance system. The irradiation system comprises: an irradiation device for forming an irradiation region for irradiating an irradiated object; the beam lower transmission system is used for conveying the irradiated objects to the irradiation area; the irradiation channel is used for placing an irradiation device and an under-beam transmission system; shielding devices arranged at two sides and at the top of the beam lower transmission system for shielding radiation rays generated by the irradiation device; wherein the irradiation channel is a double-mouth labyrinth channel. The irradiation system is adopted to carry out irradiation sterilization on the irradiated object, so that the problem of chemical agent residue existing in sterilization by using chemical agent is solved.

Description

Irradiation system

Technical Field

The invention relates to the technical field of irradiation, in particular to an irradiation system.

Background

With globalization of economic trade, a large number of international activities make the cross-border spread of harmful organisms a worldwide problem and become serious.

The sterilization problem of cold chain food is related to, and the virus possibly carried by the inner and outer package of the food must be thoroughly, effectively and safely killed, so three aspects of control are needed, namely, the sterilization is complete and thorough, and the virus can be killed efficiently especially in a low-temperature environment; secondly, the killing mode is simple to operate; thirdly, safety and sanitation, and the safety problem of cold chain food is important. Currently, chemical sterilization is often used in the prior art for the viral sterilization problem that may exist on cold chain packaging boxes or frozen products.

However, sterilization with chemicals may present problems of chemical residue, which in turn may contaminate food products.

Disclosure of Invention

The embodiment of the invention provides an irradiation system.

An irradiation system according to an embodiment of the present invention includes: an irradiation device for forming an irradiation region for irradiating an irradiated object; an under-beam transmission system for transporting irradiated objects

Additional aspects and advantages of embodiments of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

Fig. 1 is a schematic structural view of an irradiation system according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a shielding of an irradiation system according to an embodiment of the present invention.

Fig. 3 is a structural illustration of an outer shield of an irradiance system of an embodiment of the invention.

Fig. 4 is a structural illustration of a middle layer shield of an irradiance system of an embodiment of the invention.

Fig. 5 is a structural illustration of an inner shield of an irradiance system of an embodiment of the invention. And

Fig. 6 is an axial view of an irradiance system in accordance with an embodiment of the invention.

Description of main reference numerals:

10. An irradiation system; 100. an irradiation device; 200. an under-beam transport system; 300. an irradiation channel; 400. a shielding device;

410. An outer layer shield; 411. a first outer shield; 412. a second outer layer shield body; 413. a third outer shield; 4131. a first outer layer module; 4132. a second outer layer module; 4133. a third outer layer module; 414. a fourth outer shield; 415. a fifth outer shield;

420. A middle layer shield; 421. a first middle shield; 4211. a first middle layer module; 4212. a second middle layer module; 422. a second middle shield; 4221. a third middle layer module; 4222. a fourth middle layer module; 423. a third middle layer shield; 4231. a fifth middle layer module; 4232. a sixth middle layer module; 424. a partition shield;

440. an inner shield; 441. a first inner layer module; 442. a second inner layer module; 443. And a third inner layer module.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings are merely for convenience in describing 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 therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be mechanically connected, may be electrically connected, or may be in communication with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two elements or interaction relationship between the two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific circumstances.

In the description of the present invention, unless explicitly specified and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include both the first and second features not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

To block the path of virus propagation along with the cold chain, the irradiation system 10 of the present invention may be utilized to sterilize the cold chain packaging box by irradiation. The irradiation system 10 performs irradiation sterilization on the irradiated object by utilizing the characteristics of strong sterilization penetration of the electron beam, uniform and thorough sterilization and high treatment speed. In addition, the irradiation system 10 does not retain chemical agents when handling hermetically packaged articles. The following embodiments illustrate the irradiation system 10 of the present invention using the irradiation object as a cold chain packaging box, but the protection scope of the present invention is not limited, and the irradiation object may be any shape object. Such as spheres, hexahedrons, tetrahedrons, etc.

Fig. 1 is a schematic structural view of an irradiance system 10 in accordance with an embodiment of the invention. Referring to fig. 1, an irradiance system 10 includes an irradiance apparatus 100, an under-beam delivery system 200, an irradiance channel 300, and a shielding apparatus 400.

The irradiation apparatus 100 is used to form an irradiation region where an irradiated object is irradiated. The irradiation device 100 may emit an electron beam, and irradiate the irradiation object with the electron beam for sterilization.

The beam delivery system 200 is used to transport the irradiated object to the irradiation zone. For example, the under beam delivery system 200 may employ transport rollers, or a conveyor belt, for transporting the irradiated object.

The irradiation tunnel 300 is used to house the irradiation apparatus 100 and the under beam delivery system 200.

Fig. 6 is an axial view of an irradiance system 10 in accordance with an embodiment of the invention. Referring to fig. 6, shielding devices 400 are disposed at both sides and at the top of the under-beam transmission system 200 to shield the radiation rays generated by the irradiation device 100, and the irradiation tunnel 300 is a return-type maze tunnel.

Fig. 2 is a schematic structural view of a shielding 400 of an irradiance system 10 of an embodiment of the invention. Fig. 3 is a schematic structural view of an outer shield 410 of an irradiance system 10 of an embodiment of the invention. Referring to fig. 2 and 3, the shielding 400 includes an outer shield 410.

Referring to fig. 2 and 6, an outer shield 410 is installed around and on top of the under-beam delivery system 200 to shield rays generated by the irradiation apparatus 100.

Referring to fig. 3, the outer shield 410 includes a first outer shield 411, a second outer shield 412, a third outer shield 413, a fourth outer shield 414, and a fifth outer shield 415, which are sequentially connected to enclose a space in which the irradiation system 10 is placed.

Referring to fig. 3, the first outer shield 411 is disposed perpendicular to the second outer shield 412. The second outer shield 412 is disposed perpendicular to the third outer shield 413. The third outer layer shield 413 is disposed perpendicular to the fourth outer layer shield 414. The fourth outer shield 414 is disposed perpendicular to the fifth outer shield 415.

Referring to fig. 3, the second outer shield 412 is located on the same side of the third outer shield 413 as the fourth outer shield 414. The first outer shield 411 and the third outer shield 413 are located on the same side of the second outer shield 412. The third outer shield 413 is on the same side of the fourth outer shield 414 as the fifth outer shield 415. The length of the second outer shield 412 is equal to the length of the fourth outer shield 414.

Referring to fig. 3, the third outer layer shield 413 includes a first outer layer module 4131, a second outer layer module 4132, and a third outer layer module 4133, which are sequentially connected. The first outer layer module 4131 is connected to the second outer layer shield. The third outer layer module 4133 is connected to the fourth outer layer shield 414.

In some embodiments, outer shield 410 is in a "mouth" configuration, and irradiation system 10 is positioned within the "mouth" configuration to shield radiation generated by irradiation apparatus 100 to ensure safety of personnel.

Fig. 4 is a schematic structural view of a middle layer shield 420 of an irradiance system 10 of an embodiment of the invention. Referring to fig. 2 and 4, the shielding 400 further includes a middle shield 420.

The middle shield 420 is installed inside the outer shield 410 to shield rays generated from the irradiation device 100.

The middle shield 420 includes a first middle shield 421, a second middle shield 422, and a third middle shield 423 connected in sequence.

A blocking shield 424 extends from the second middle shield 422 to the outer shield 410, and the blocking shield 424 is perpendicular to the second middle shield 422.

The first middle layer shield 421 includes a first middle layer module 4211 and a second middle layer module 4212 spliced with each other. The second mid-layer shield 422 includes a third mid-layer module 4221 and a fourth mid-layer module 4222 spliced to one another. The third middle layer shield 423 includes a fifth middle layer module 4231 and a sixth middle layer module 4232 spliced to each other. The splicing direction of the first middle layer module 4211 and the second middle layer module 4212 is perpendicular to the splicing direction of the third middle layer module 4221 and the fourth middle layer module 4222, and the splicing direction of the first middle layer module 4211 and the second middle layer module 4212 is parallel to the splicing direction of the fifth middle layer module 4231 and the sixth middle layer module 4232.

Referring to fig. 4, the first middle layer module 4211 and the third middle layer module 4221 are equal in length.

In some embodiments, the middle shield 420 is a "U" shaped structure.

Fig. 5 is a schematic structural view of an inner shield 440 of an irradiance system 10 of an embodiment of the invention. Referring to fig. 2 and 5, the shielding 400 further includes an inner shield 440.

The inner shield 440 is installed inside the middle shield 420 to shield rays generated from the irradiation device 100.

The inner layer shield 440 includes a first inner layer module 441, a second inner layer module 442, and a third inner layer module 443 connected in sequence.

The first inner layer module 441 is provided with a first groove, the third inner layer module 443 is provided with a second groove, and two ends of the second inner layer module 442 are inserted into the first groove and the second groove to realize connection of the first inner layer module 441, the second inner layer module 442 and the third inner layer module 443.

Referring to fig. 5, the first inner layer module 441 and the third inner layer module 443 are equal in length.

In some embodiments, the inner shield 440 is an "H" shaped structure.

Referring to fig. 1, the irradiation system 10 includes an inner shielding body 440, a middle shielding body 420 and an outer shielding body 410, and the radiation is reflected for multiple times by three shielding bodies, so that multiple reflection attenuation of the radiation can be realized, further, the radiation dosage in the irradiation system 10 is reduced, and the radiation safety of staff can be ensured.

In the description of the present specification, reference to the terms "one embodiment," "certain embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An irradiance system, comprising:

an irradiation device (100) for forming an irradiation region where an irradiated object is irradiated;

An under-beam delivery system (200) for transporting the irradiated object to the irradiation zone;

An irradiation tunnel (300) for placing the irradiation device (100) and the under-beam delivery system (200);

Shielding devices (400) arranged at both sides and at the top of the underfeam transmission system (200) for shielding radiation rays generated by the irradiation device (100);

Wherein the irradiation channel (300) is a back-shaped labyrinth channel;

The shielding device (400) comprises:

an outer shield (410), the outer shield (410) being mounted around and on top of the under-beam delivery system (200) to shield radiation generated by the irradiation device (100);

The outer layer shielding body (410) comprises a first outer layer shielding body (411), a second outer layer shielding body (412), a third outer layer shielding body (413), a fourth outer layer shielding body (414) and a fifth outer layer shielding body (415) which are sequentially connected to enclose a space for placing the irradiation system;

the shielding device (400) further comprises:

A middle layer shield (420), the middle layer shield (420) being mounted inside the outer layer shield (410) to shield rays generated by the irradiation device (100);

the middle layer shielding body (420) comprises a first middle layer shielding body (421), a second middle layer shielding body (422) and a third middle layer shielding body (423) which are sequentially connected;

the shielding device (400) further comprises:

An inner shield (440), the inner shield (440) being mounted inside the middle shield (420) to shield rays generated by the irradiation device (100);

The inner layer shield (440) includes a first inner layer module (441), a second inner layer module (442), and a third inner layer module (443) that are sequentially connected.

2. The irradiation system of claim 1, wherein the irradiation system comprises a plurality of irradiation systems,

The first outer layer shield (411) is arranged perpendicular to the second outer layer shield (412);

the second outer shield (412) is arranged perpendicular to the third outer shield (413);

The third outer layer shielding body (413) is perpendicular to the fourth outer layer shielding body (414);

the fourth outer shield (414) is disposed perpendicular to the fifth outer shield (415).

3. The irradiation system of claim 2, wherein the irradiation system comprises a plurality of irradiation systems,

-The second outer shield (412) is located on the same side of the third outer shield (413) as the fourth outer shield (414);

The first outer shield (411) and the third outer shield (413) are located on the same side of the second outer shield (412);

the third outer shield (413) is located on the same side of the fourth outer shield (414) as the fifth outer shield (415).

4. An irradiation system according to claim 3, wherein the length of the second outer shield (412) is equal to the length of the fourth outer shield (414).

5. The irradiation system as set forth in claim 3, wherein,

The third outer layer shield (413) comprises a first outer layer module (4131), a second outer layer module (4132) and a third outer layer module (4133) which are sequentially connected;

wherein the first outer layer module (4131) is connected to the second outer layer shield;

The third outer layer module (4133) is connected to the fourth outer layer shield (414).

6. The irradiation system according to claim 1, wherein the outer shield (410) is of a "mouth" type structure.

7. The irradiation system of claim 1, wherein the irradiation system comprises a plurality of irradiation systems,

A partition shield (424) is provided extending from the second middle shield (422) to the outer shield (410), and the partition shield (424) is perpendicular to the second middle shield (422).

8. The irradiation system of claim 1, wherein the irradiation system comprises a plurality of irradiation systems,

The first middle layer shielding body (421) comprises a first middle layer module (4211) and a second middle layer module (4212) which are spliced with each other;

the second middle layer shielding body (422) comprises a third middle layer module (4221) and a fourth middle layer module (4222) which are spliced with each other;

The third middle layer shielding body (423) comprises a fifth middle layer module (4231) and a sixth middle layer module (4232) which are spliced with each other;

Wherein the splicing direction of the first middle layer module (4211) and the second middle layer module (4212) is perpendicular to the splicing direction of the third middle layer module (4221) and the fourth middle layer module (4222);

the splicing direction of the first middle layer module (4211) and the second middle layer module (4212) is parallel to the splicing direction of the fifth middle layer module (4231) and the sixth middle layer module (4232).

9. The irradiation system according to claim 8, wherein the first middle layer module (4211) and the third middle layer module (4221) are equal in length.

10. The irradiation system according to claim 1, wherein the middle layer shield (420) is of a "U" -shaped structure.

11. The irradiation system according to claim 1, wherein a first groove is provided on the first inner layer module (441), a second groove is provided on the third inner layer module (443), and two ends of the second inner layer module (442) are inserted into the first groove and the second groove to realize connection of the first inner layer module (441), the second inner layer module (442) and the third inner layer module (443).

12. The irradiance system of claim 11, wherein the first inner layer module (441) and the third inner layer module (443) are equal in length.

13. The irradiation system according to claim 1, wherein the inner shield (440) is of an "H" shaped structure.