CN114324430B - Detection device based on neutron activation - Google Patents
Detection device based on neutron activation Download PDFInfo
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- CN114324430B CN114324430B CN202210213893.2A CN202210213893A CN114324430B CN 114324430 B CN114324430 B CN 114324430B CN 202210213893 A CN202210213893 A CN 202210213893A CN 114324430 B CN114324430 B CN 114324430B
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Abstract
The invention provides a detection device based on neutron activation, which comprises: a neutron generating device; the detection bracket is positioned on the outer side of the neutron generating device; the placing platform is arranged on the detection bracket; adjusting device, its outside of locating place the platform to and detecting device, detecting device locates adjusting device on, adjusting device includes: the first placing piece is positioned on one side of the placing platform; the second placing piece is positioned on one side of the placing platform; the two ends of the first placing piece are respectively connected with the supporting piece, and the two ends of the second placing piece are respectively connected with the supporting piece; when the length of the supporting piece is adjusted, the height of the first placing piece follows up, the first placing piece is inclined relative to the horizontal plane, the height of the second placing piece follows up, and the second placing piece is inclined relative to the horizontal plane. The detection device based on neutron activation can improve the detection precision of the sample.
Description
Technical Field
The invention relates to the technical field of nuclear application, in particular to a detection device based on neutron activation.
Background
In industries such as building materials, metallurgy, mines, coal, electric power and the like, collected samples need to be analyzed so as to obtain the types and the contents of elements in the samples. Since many components in a sample are unevenly distributed, when analyzing the sample, if a ray with weak penetrating power is used, only the material on the surface can be detected, and the material in the sample cannot be detected, so that the detection result is not accurate. When the rays with strong penetrating power are adopted for detection, although the detection result is accurate, in an actual scene, the rays can be divided into prompt rays and slow rays, and the two rays can interfere with each other, so that the detection precision can be influenced to a certain extent.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a detection apparatus based on neutron activation, which can improve the detection accuracy of a sample.
To achieve the above and other related objects, the present invention provides a neutron activation-based detection apparatus, including:
a neutron generating device;
the detection bracket is positioned on the outer side of the neutron generating device;
the placing platform is arranged on the detection bracket;
the adjusting device is arranged on the outer side of the placing platform; and
detection device, detection device locates on the adjusting device, adjusting device includes:
the first placing piece is positioned on one side of the placing platform;
the second placing piece is positioned on one side of the placing platform; and
the two ends of the first placing piece are respectively connected with the supporting piece, and the two ends of the second placing piece are respectively connected with the supporting piece;
when the length of the supporting piece is adjusted, the height of the first placing piece follows up, the first placing piece inclines relative to the horizontal plane, the height of the second placing piece follows up, and the second placing piece inclines relative to the horizontal plane.
In an embodiment of the present invention, the supporting member includes:
the first supporting piece is arranged on one side of the first placing piece; and
and the second supporting piece is arranged on the other side of the first placing piece.
In an embodiment of the present invention, the supporting member further includes:
the third supporting piece is arranged on one side of the second placing piece; and
and the fourth supporting piece is arranged on the other side of the second placing piece.
In an embodiment of the present invention, the first support member includes:
the first embedded part is connected with the first placing part; and
the first fixing piece is embedded into the first embedding piece.
In an embodiment of the present invention, the second supporting member includes:
the second embedded part is connected with the first placing part; and
and one end of the second embedded part is embedded into the second fixing part.
In an embodiment of the present invention, the third supporting member includes:
a third insert connected to the second placement member; and
and one end of the third embedded part is embedded into the third fixing part.
In an embodiment of the present invention, the fourth supporting member includes:
the fourth embedded part is connected with the second placing part; and
and one end of the fourth embedded part is embedded into the fourth fixing part.
In an embodiment of the present invention, the supporting members on one side are connected to each other by a connecting member.
In an embodiment of the present invention, when slow-fire rays are measured, a distance between the detecting device and the neutron generating device in a horizontal direction is not less than 1.5 m.
In an embodiment of the invention, the detection angle of the detection device is in a range of-45 to +45 degrees.
As described above, the present invention provides a detection device based on neutron activation, which can detect and analyze a prompt radiation and a slow radiation, respectively, and can reduce interference of a neutron source to a detection device, thereby improving accuracy of detection and analysis. Simultaneously the staff need not to be close to the sample, can accomplish the detection to the sample, can prevent that the staff from being shone by the strong ray of penetrability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a detection apparatus according to the present invention.
Fig. 2 is shown in a front view of fig. 1.
Fig. 3 is a top view of fig. 1.
Element number description:
100. an adjustment device; 101. a first placement member; 102. a second placement member; 103. a first insert; 104. a second insert; 105. a third insert; 106. a fourth insert; 107. a first fixing member; 108. a second fixing member; 109. a third fixing member; 110. a fourth fixing member; 111. a first connecting member; 112. a second connecting member; 200. a detection device; 300. placing a platform; 400. a transmission device; 500. a limit induction device; 501. an inductive contact; 502. an inductive switch; 600. a neutron generating device; 700. and detecting the bracket.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Please refer to fig. 1-3. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1, the present invention provides a neutron activation-based detection device, which can be used for detecting and analyzing the types and contents of elements in a sample. The detecting device may include an adjusting device 100, a detecting device 200, a placing platform 300, a driving device 400, a limit sensing device 500, a detecting bracket 700, and a neutron generating device 600. The detecting bracket 700 can be used as a main body of the detecting device, so that the adjusting device 100, the detecting device 200, the placing platform 300, the transmission device 400, the spacing sensing device 500 and the neutron generating device 600 can be respectively mounted on the detecting bracket 700, so as to perform detection and analysis on the sample. Of course, in order to be able to move the detection device conveniently, a plurality of fixed legs can be symmetrically installed at the bottom of the detection support 700, and universal wheels can be installed on the fixed legs, so that the detection support 700 can be moved conveniently, and the requirements of different scenes can be met.
Referring to fig. 1, in one embodiment of the invention, a neutron generator 600 may be used to emit neutrons. Specifically, the neutron source may be an artificial neutron generator, or may be a radionuclide. The neutron generator can be a D-D neutron generator, a D-T neutron generator and the like. The radionuclide can Be an Am-Be neutron source, a 252Cf spontaneous fission neutron source and the like. When the neutron generator 600 is an artificial neutron generator, the start and stop of the neutron generator 600 can be controlled by an industrial personal computer. The neutron generating device 600 may be installed at a bottom side of the detection stand 700, for example, may be installed at a bottom center portion of the detection stand 700. Therefore, the neutron generating device 600 can emit neutrons upwards from bottom to top, and when the moderated thermal neutrons contact the sample, the thermal neutrons can excite the sample to generate rays with strong penetrating power so as to detect and analyze the sample. In the present embodiment, the ray having a strong penetrating power may be, for example, a γ ray.
Referring to fig. 1 and 2, in an embodiment of the present invention, the placing platform 300 is movably mounted on the detecting bracket 700, so that the sample can be placed on the placing platform 300, and the placing platform 300 drives the sample to move, so that the sample can be sufficiently contacted with or separated from the neutron source, thereby improving the precision of the detection and analysis. Certainly, in order to avoid the interference of the material of the placement platform 300 on the result of the detection and analysis, the placement platform 300 may be made of high density polyethylene (pb-b-polyethylene), rubber, or the like, and the material of the placement platform does not include the components of the sample itself, so that the interference of the placement platform 300 on the result of the detection and analysis can be avoided.
Referring to fig. 1 and 2, in an embodiment of the present invention, in order to improve the efficiency of the detection analysis, a plurality of samples to be detected may be placed on the placing platform 300. In order to fully perform the detection analysis on the multiple samples to be detected, the multiple samples to be detected need to be moved above the neutron generating device 600 respectively, so that the neutron source can be fully contacted with the multiple samples to be detected respectively. Because the ray with strong penetrating power can be generated in the detection and analysis process, the worker cannot directly move the sample to be detected, and therefore the placing platform 300 can be driven by the transmission device 400 to move, so that the sample to be detected is respectively and fully contacted with the neutron source. The placing platform 300 can be slidably disposed on the detecting bracket 700 through the cooperation of the sliding block and the sliding rail, and can also be slidably disposed on the detecting bracket 700 through the cooperation of the roller and the guiding rail. The specific sliding manner between the placing platform 300 and the detecting bracket 700 is not limited, as long as the placing platform 300 can be driven to move by the transmission device 400.
Referring to fig. 1 and 2, in an embodiment of the present invention, the transmission device 400 may include a driving motor, a lead screw, and a fixing sleeve. The driving motor can be fixed on the detection support 700, the rotating end of the driving motor can be connected with one end of the screw rod through the coupler, and the other end of the screw rod can be rotatably arranged on the detection support 700. Therefore, when the driving motor works, the screw rod can be driven to synchronously rotate by the coupler. But thread fit has fixed cover on the lead screw, and fixed cover can fix the one side of locating place the platform 300 to when the lead screw rotates, can drive fixed cover and remove, thereby drive place the platform 300 synchronous motion. Of course, the transmission device 400 may also be a telescopic cylinder, so that the telescopic cylinder may be fixed on the detection bracket 700, and the movable end of the telescopic cylinder may be connected to one side of the placing platform 300. So that the placing platform 300 can be driven to move by the extension and contraction of the movable end of the telescopic cylinder. The specific structure of the transmission device 400 may not be limited as long as it can drive the placing platform 300 to move.
Referring to fig. 1, 2 and 3, in one embodiment of the present invention, in order to control the operation of the actuator 400, the placing platform 300 is controlled to move to a proper position. Therefore, the limit sensor device 500 can be mounted on the detection bracket 700, and the limit sensor device 500 can include the sensing contact 501 and the sensing switch 502. Sensing contacts 501 may be provided on the placement platform 300 so that a particular position of the placement platform 300 may be sensed. The number of inductive switches 502 can be a plurality of, and a plurality of inductive switches 502 can set up in one side of detecting support 700 to when placing platform 300 removed, inductive contacts 501 can be sensed respectively to a plurality of inductive switches 502, thereby can respond to the concrete position of placing platform 300 in real time. When the placement platform 300 moves to a proper position, the corresponding inductive switch 502 can issue a command and control the transmission device 400 to stop working.
Referring to fig. 1, 2 and 3, in an embodiment of the invention, the detecting device 200 may be disposed on the adjusting device 100, and the adjusting device 100 may be disposed on the periphery of the detecting bracket 700, so that the detecting device 200 may be located above the detecting bracket 700, and the detecting device 200 may perform measurement and analysis on the radiation. The rays comprise prompt rays and slow rays, so that the prompt rays and the slow rays can interfere with each other to influence the detection precision. At the same time, the penetrating radiation emitted by the neutron source will also be detected by the detection apparatus 200, and the neutron source will further affect the accuracy of the detection. Therefore, different placement methods for the detecting device 200 are required to meet different measurement scenario requirements. For example, in the present embodiment, the detection device 200 may be used to measure a prompt ray when it is located directly above the neutron generation device 600. When the detecting device 200 is placed obliquely with respect to the neutron generating device 600, i.e., a certain angle is formed therebetween, the measurement interference of the neutron source to the detecting device 200 can be reduced. When the detecting device 200 is shifted relative to the neutron generating device 600, that is, the detecting device 200 and the neutron source are not on the same vertical line, and the material irradiated by the neutron source for a period of time is moved to a position below the detecting device 200, the detecting device 200 may be used to measure slow-release rays. Therefore, the position of the detection device 200 can be adjusted to detect the prompt rays, the slow rays and the like respectively, and the detection effect is improved. Meanwhile, in order to reduce the interference of ambient scattered neutrons and ambient rays, a shielding material may be coated on the surface of the detection apparatus 200. In the present embodiment, the shielding material may be high density polyethylene (lead boron polyethylene) or the like.
Referring to fig. 1 and 2, the present invention further provides an adjusting device for a detector, which can be used to adjust the detecting angle and position of the detecting device 200. The adjusting device 100 may include a first placing member 101, a second placing member 102, a first supporting member, a second supporting member, a third supporting member, a fourth supporting member, a first connecting member 111, and a second connecting member 112. Specifically, the detecting device 200 may be placed on the first placing member 101 and the second placing member 102, so that the detecting angle and the detecting position of the detecting device 200 may be adjusted by adjusting the positions and the angles of the first placing member 101 and the second placing member 102. Of course, the fixing manner between the detecting device 200 and the first placing member 101 may not be limited, for example, the detecting device may be fixedly connected with the first placing member 101 through a bolt, or may be connected with the first placing member 101 through a snap structure, and the fixing manner between the detecting device 200 and the first placing member 101 may be set according to actual requirements. The fixing manner between the detecting device 200 and the second placing member 102 may not be limited, for example, the detecting device 200 and the second placing member 102 may be fixedly connected by a bolt, or may be connected by a snap structure, and the fixing manner between the detecting device 200 and the second placing member 102 may be set according to actual requirements.
Referring to fig. 1 and 2, in an embodiment of the invention, in order to facilitate adjustment of angles and positions of the first placement member 101 and the second placement member 102, two ends of the first placement member 101 may be respectively connected to the first support member and the second support member, and two ends of the second placement member 102 may be respectively connected to the third support member and the fourth support member. So that the first and third supports may be located at one side of the testing stand 700 and the second and fourth supports may be located at the other side of the testing stand 700. So that the position and angle of the detecting device 200 can be adjusted by adjusting the heights of the first, second, third, and fourth supports.
Referring to fig. 1 and 2, in an embodiment of the present invention, the first supporting member may include a first embedded member 103 and a first fixing member 107. Wherein, one end of the first embedding part 103 can be fixed on one side of the first placing part 101, the first embedding part 103 can be detachably fixed on the first placing part 101 through bolts and the like, can also be fixed on the first placing part 101 through a buckling mode and the like, and can also be fixed on the first placing part 101 through a welding mode. The specific connection manner between the first insertion part 103 and the first placement part 101 may not be limited as long as it is sufficient to fix the first insertion part 103 to the first placement part 101. The other end of the first insertion part 103 may be inserted into the first fixing part 107, so that the angle and position of the detecting device 200 may be adjusted by adjusting the length of the first insertion part 103 in the first fixing part 107 to adjust the height of the first placing part 101. In order to conveniently adjust the height of the first insert 103, a plurality of adjusting holes may be formed in the first insert 103, and a plurality of corresponding through holes may be formed at one side of the first fixing member 107, so that when the axis of the through hole and the axis of the adjusting hole are located on the same line, the first insert 103 may be positioned by an insert such as a bolt.
Referring to fig. 1 and 2, in an embodiment of the present invention, the second supporting member may include a second inserting member 104 and a second fixing member 108. Wherein, one end of the second embedding piece 104 can be fixed on the other side of the first placing piece 101, the second embedding piece 104 can be detachably fixed on the first placing piece 101 through bolts and the like, can also be fixed on the first placing piece 101 through a buckling mode and the like, and can also be fixed on the first placing piece 101 through a welding mode. The specific connection manner between the second insertion part 104 and the first placement part 101 is not limited as long as the second insertion part 104 can be fixed on the first placement part 101. The other end of the second insertion member 104 is inserted into the second fixing member 108, so that the angle and position of the detecting device 200 can be adjusted by adjusting the length of the second insertion member 104 in the second fixing member 108 to adjust the height of the first placement member 101. In order to conveniently adjust the height of the second insert 104, a plurality of adjusting holes may be formed in the second insert 104, and a plurality of corresponding through holes may be formed at one side of the second fixing member 108, so that when the axis of the through hole and the axis of the adjusting hole are located on the same line, the second insert 104 may be positioned by an insert such as a bolt.
Referring to fig. 1 and 2, in an embodiment of the present invention, the third supporting member may include a third embedded member 105 and a third fixing member 109. One end of the third embedded part 105 may be fixed to one side of the second placement part 102, and the third embedded part 105 may be detachably fixed to the second placement part 102 through a bolt, or may be fixed to the second placement part 102 through a snap-fit method, or may be fixed to the second placement part 102 through a welding method. The specific connection manner between the third insertion member 105 and the second placement member 102 is not limited as long as the third insertion member 105 can be satisfactorily fixed to the second placement member 102. The other end of the third insertion member 105 is inserted into the third fixing member 109, so that the angle and position of the detecting unit 200 can be adjusted by adjusting the length of the third insertion member 105 in the third fixing member 109 to adjust the height of the second placement member 102. In order to conveniently adjust the height of the third insert 105, a plurality of adjustment holes may be formed in the third insert 105, and a plurality of corresponding through holes may be formed at one side of the third fixing member 109, so that when the axis of the through hole and the axis of the adjustment hole are located on the same line, the third insert 105 may be positioned by an insert such as a bolt.
Referring to fig. 1 and 2, in an embodiment of the present invention, the fourth supporting member may include a fourth inserting member 106 and a fourth fixing member 110. One end of the fourth embedded component 106 may be fixed to the other side of the second placement component 102, and the fourth embedded component 106 may be detachably fixed to the second placement component 102 through a bolt, or may be fixed to the second placement component 102 through a snap-fit method, or may be fixed to the second placement component 102 through a welding method. The specific connection manner between the fourth insertion part 106 and the second placement part 102 is not limited as long as the fourth insertion part 106 can be fixed on the second placement part 102. The other end of the fourth insertion member 106 is inserted into the fourth fixing member 110, so that the angle and position of the detecting device 200 can be adjusted by adjusting the length of the fourth insertion member 106 in the fourth fixing member 110 to adjust the height of the second placement member 102. In order to conveniently adjust the height of the fourth insert 106, a plurality of adjusting holes may be formed in the fourth insert 106, and a plurality of corresponding through holes may be formed at one side of the fourth fixing member 110, so that when the axis of the through hole and the axis of the adjusting hole are located on the same line, the fourth insert 106 may be positioned by an insert such as a bolt.
Referring to fig. 1 and 2, in an embodiment of the invention, in order to fix the first supporting member, the second supporting member, the third supporting member and the fourth supporting member to each other, the detecting device 200 can be stably placed between the first placing member 101 and the second placing member 102. Therefore, the first support member and the second support member can be fixed by the first connecting member 111, and the third support member and the fourth support member can be fixed by the second connecting member 112. Specifically, the first fixing element 107 and the third fixing element 109 may be fixedly connected by a first connecting element 111, the connection manner may not be limited, and two ends of the first connecting element 111 may be fixed to the first fixing element 107 and the third fixing element 109 by welding, bonding, clamping, and the like. The second fixing element 108 and the fourth fixing element 110 may be fixedly connected by a second connecting element 112, the connection manner may not be limited, and both ends of the second connecting element 112 may be fixed to the second fixing element 108 and the fourth fixing element 110 by welding, bonding, clamping, or the like. Of course, in order to conveniently adjust the position of the detecting device 200 relative to the sample to improve the detection accuracy, universal wheels may be provided at the bottom of the first fixing member 107, the second fixing member 108, the third fixing member 109, and the fourth fixing member 110, so that the position of the detecting device 200 relative to the sample may be conveniently adjusted.
Referring to fig. 1 and fig. 2, in an embodiment of the invention, when the height of the detecting device 200 needs to be adjusted, the height of the detecting device 200 can be adjusted to meet the requirements of different scenes by adjusting the position of the first embedded component 103 relative to the first fixing component 107, simultaneously adjusting the position of the second embedded component 104 relative to the second fixing component 108, synchronously adjusting the position of the third embedded component 105 relative to the third fixing component 109, and synchronously adjusting the position of the third embedded component 106 relative to the fourth fixing component 110, so that the heights of the first placing component 101 and the second placing component 102 can be adjusted synchronously.
Referring to fig. 1 and 2, in an embodiment of the invention, when the detection angle of the detecting device 200 needs to be adjusted, the position of the first embedded component 103 relative to the first fixing component 107 can be adjusted, and the position of the third embedded component 105 relative to the third fixing component 109 can be adjusted synchronously. At this time, one side of the first placing member 101 and one side of the second placing member 102 may be raised or lowered relative to the other side thereof, so that the detection angle of the detecting device 200 may be changed accordingly. Alternatively, the second insertion part 104 may be adjusted relative to the second fixing part 108, and the position of the third insertion part 106 relative to the fourth fixing part 110 may be adjusted synchronously, so that one side of the first placement part 101 and the second placement part 102 may be lifted or lowered relative to the other side thereof, and the detection angle of the detection device 200 may be changed accordingly. In the present embodiment, the detection angle of the detection device 200 may range from-45 ° to +45 °. The detection device 200, when positioned directly above the neutron generation device 600, may be used to measure prompt rays. When the detection apparatus 200 is placed obliquely, interference of the neutron source to the detection apparatus 200 can be reduced. When the detection device 200 is placed in an offset position, i.e., the detection device 200 is not directly above the neutron generation device 600, it can be used to measure delayed radiation. Therefore, the position of the detection device 200 relative to the neutron generation device 600 can be adjusted to measure different rays, so that the detection and analysis accuracy can be improved. In this embodiment, the distance between the detecting device 200 and the neutron generating device 600 may be, for example, not less than 1.5 meters in the horizontal direction when the slow-emitting rays need to be measured, while the distance between the detecting device 200 and the material should be as close as possible.
Referring to fig. 1 and 2, in an embodiment of the present invention, a plurality of samples may be placed on the placement platform 300, or the same sample may be placed on the placement platform, which may be adjusted according to the measurement scenario requirements. When placing different samples, can change the kind of test sample according to the motion of test demand remote control place the platform 300, and need not the tester and frequently be close to measuring device, reduce the radiation harm that manual reloading brought. When the same material is placed on the placing platform 300 and the instantaneous ray is tested, the motor can be controlled to drive the sample on the placing platform 300 to move, so that the measurement influence of the delayed ray on the instantaneous ray is reduced. When the slow-emitting rays are measured, the detection device 200 is placed away from the neutron generator 600, the motor can be controlled to drive the sample on the placing platform 300 to move, the sample is firstly conveyed above the placing platform 300 to be irradiated by neutrons, and then the sample is transmitted to the position below the detection device 200 to measure the slow-emitting rays emitted by the sample.
In summary, the detection device based on neutron activation provided by the invention can respectively detect and analyze the prompt rays and the slow rays, and can reduce the interference of the neutron source to the detection device, thereby improving the accuracy of detection and analysis. Meanwhile, the staff does not need to be close to the sample, the detection on the sample can be completed, and the staff can be prevented from being irradiated by rays with strong penetrability.
In the description of the present specification, reference to the description of the terms "present embodiment," "example," "specific example," 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, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the invention disclosed above are intended merely to aid in the explanation of the invention. The examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A neutron activation-based detection device, comprising:
a neutron generating device;
the detection bracket is positioned on the outer side of the neutron generating device;
the placing platform is arranged on the detection bracket;
the adjusting device is arranged on the outer side of the placing platform;
and
detection device, detection device locates on the adjusting device, adjusting device includes:
the first placing piece is positioned on one side of the placing platform;
the second placing piece is positioned on one side of the placing platform; and
the two ends of the first placing piece are respectively connected with the supporting piece, and the two ends of the second placing piece are respectively connected with the supporting piece;
when the length of the supporting part is adjusted, the height of the first placing part follows, the first placing part is inclined relative to a horizontal plane, the height of the second placing part follows, and the second placing part is inclined relative to the horizontal plane;
when the detecting device is positioned right above the neutron generating device, the detecting device is used for measuring prompt rays;
when the detection device is obliquely arranged relative to the neutron generation device, namely a certain angle is formed between the detection device and the neutron generation device, the measurement interference of a neutron source to the detection device can be reduced;
when the detecting device is deviated relative to the neutron generating device, namely the detecting device and the neutron generating device are not on the same vertical line, the detecting device is used for measuring slow-release rays.
2. The neutron activation-based detection device of claim 1, wherein the support comprises:
the first supporting piece is arranged on one side of the first placing piece; and
and the second supporting piece is arranged on the other side of the first placing piece.
3. The neutron activation-based detection device of claim 2, wherein the support further comprises:
the third supporting piece is arranged on one side of the second placing piece; and
and the fourth supporting piece is arranged on the other side of the second placing piece.
4. The neutron activation-based detection device of claim 2 or 3, wherein the first support comprises:
the first embedded part is connected with the first placing part; and
the first fixing piece is embedded into the first embedding piece.
5. The neutron activation-based detection device of claim 2 or 3, wherein the second support comprises:
the second embedded part is connected with the first placing part; and
and one end of the second embedded part is embedded into the second fixing part.
6. The neutron activation-based detection device of claim 3, wherein the third support comprises:
a third insert connected to the second placement member; and
and one end of the third embedded part is embedded into the third fixing part.
7. The neutron activation-based detection device of claim 3, wherein the fourth support comprises:
the fourth embedded part is connected with the second placing part; and
and one end of the fourth embedded part is embedded into the fourth fixing part.
8. The neutron activation-based detection device of claim 1, wherein the support members on one side are connected to each other by a connector.
9. The neutron activation-based detection device according to claim 1, wherein when slow-fire radiation is measured, a distance between the detection device and the neutron generation device in a horizontal direction is not less than 1.5 m.
10. The neutron activation-based detection device according to claim 1, wherein the inclination angle of the detection device is in a range of-45 °.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5825030A (en) * | 1997-03-20 | 1998-10-20 | Gamma-Metrics | Shaping neutron energies to achieve sensitivity and uniformity of bulk material analysis |
| WO2000003237A1 (en) * | 1998-07-09 | 2000-01-20 | Numat, Inc. | Pulsed neutron elemental on-line material analyzer |
| CN101581679A (en) * | 2008-05-12 | 2009-11-18 | 清华大学 | Method and system for detecting special nuclear material |
| CN101738408A (en) * | 2008-11-21 | 2010-06-16 | 丹东东方测控技术有限公司 | Adjustable on-line multielement analyzer |
| FR2945402A1 (en) * | 2009-05-06 | 2010-11-12 | Realisations Nucleaires Sa D E | SEALED TUBE NEUTRON GENERATOR EQUIPPED WITH ALPHA PARTICLE DETECTORS AND ASSOCIATED PARTICLE MEASURING SYSTEM USING THE GENERATOR |
| CN107462589A (en) * | 2017-09-07 | 2017-12-12 | 成都理工大学 | Seabed integrated neutron activation analysis system in situ |
| CN108051465A (en) * | 2018-01-26 | 2018-05-18 | 吉林大学 | A kind of Atomic Absorption SpectrophotometerICP neutron activation wink sent out gamma ray deferred and combined |
| CN108303438A (en) * | 2018-01-25 | 2018-07-20 | 中国科学院高能物理研究所 | A kind of coarse collimator holder in rear end for neutron scattering and installation and debugging method |
| CN109884093A (en) * | 2019-04-09 | 2019-06-14 | 北京中百源国际科技创新研究有限公司 | A kind of high precision neutron non-destructive testing device |
| CN210953879U (en) * | 2019-11-06 | 2020-07-07 | 中国工程物理研究院激光聚变研究中心 | Accelerator neutron activation sample calibration device |
| CN211426063U (en) * | 2019-12-03 | 2020-09-04 | 普德光伏技术（苏州）有限公司 | Mechanical load fixing support for photovoltaic module |
| CN214700115U (en) * | 2020-12-31 | 2021-11-12 | 山东省水利勘测设计院 | Steel bar corrosion detector for hydraulic engineering detection |
| CN214890377U (en) * | 2021-07-12 | 2021-11-26 | 甘肃畜牧工程职业技术学院 | Wild animal epidemic disease source monitoring and early warning device |
-
2022
- 2022-03-07 CN CN202210213893.2A patent/CN114324430B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5825030A (en) * | 1997-03-20 | 1998-10-20 | Gamma-Metrics | Shaping neutron energies to achieve sensitivity and uniformity of bulk material analysis |
| WO2000003237A1 (en) * | 1998-07-09 | 2000-01-20 | Numat, Inc. | Pulsed neutron elemental on-line material analyzer |
| CN101581679A (en) * | 2008-05-12 | 2009-11-18 | 清华大学 | Method and system for detecting special nuclear material |
| CN101738408A (en) * | 2008-11-21 | 2010-06-16 | 丹东东方测控技术有限公司 | Adjustable on-line multielement analyzer |
| FR2945402A1 (en) * | 2009-05-06 | 2010-11-12 | Realisations Nucleaires Sa D E | SEALED TUBE NEUTRON GENERATOR EQUIPPED WITH ALPHA PARTICLE DETECTORS AND ASSOCIATED PARTICLE MEASURING SYSTEM USING THE GENERATOR |
| CN107462589A (en) * | 2017-09-07 | 2017-12-12 | 成都理工大学 | Seabed integrated neutron activation analysis system in situ |
| CN108303438A (en) * | 2018-01-25 | 2018-07-20 | 中国科学院高能物理研究所 | A kind of coarse collimator holder in rear end for neutron scattering and installation and debugging method |
| CN108051465A (en) * | 2018-01-26 | 2018-05-18 | 吉林大学 | A kind of Atomic Absorption SpectrophotometerICP neutron activation wink sent out gamma ray deferred and combined |
| CN109884093A (en) * | 2019-04-09 | 2019-06-14 | 北京中百源国际科技创新研究有限公司 | A kind of high precision neutron non-destructive testing device |
| CN210953879U (en) * | 2019-11-06 | 2020-07-07 | 中国工程物理研究院激光聚变研究中心 | Accelerator neutron activation sample calibration device |
| CN211426063U (en) * | 2019-12-03 | 2020-09-04 | 普德光伏技术（苏州）有限公司 | Mechanical load fixing support for photovoltaic module |
| CN214700115U (en) * | 2020-12-31 | 2021-11-12 | 山东省水利勘测设计院 | Steel bar corrosion detector for hydraulic engineering detection |
| CN214890377U (en) * | 2021-07-12 | 2021-11-26 | 甘肃畜牧工程职业技术学院 | Wild animal epidemic disease source monitoring and early warning device |
Non-Patent Citations (1)
| Title |
|---|
| 中子活化元素在线分析仪的结构与应用;陶俊涛等;《煤质技术》;20160131(第1期);第11-13页 * |
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