CN116136603A - Radioactive solution gamma ray counting and measuring device and measuring system - Google Patents

Radioactive solution gamma ray counting and measuring device and measuring system Download PDF

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Publication number
CN116136603A
CN116136603A CN202310224270.XA CN202310224270A CN116136603A CN 116136603 A CN116136603 A CN 116136603A CN 202310224270 A CN202310224270 A CN 202310224270A CN 116136603 A CN116136603 A CN 116136603A
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Prior art keywords
flow cell
radioactive solution
calibration
gamma
detection
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CN202310224270.XA
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Inventor
陈云清
侯留东
马敬
赵雅平
曹知
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China Nuclear Power Engineering Co Ltd
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China Nuclear Power Engineering Co Ltd
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Priority to CN202310224270.XA priority Critical patent/CN116136603A/en
Publication of CN116136603A publication Critical patent/CN116136603A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G01T1/202—Measuring radiation intensity with scintillation detectors the detector being a crystal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments
    • G01T7/005—Details of radiation-measuring instruments calibration techniques
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Measurement Of Radiation (AREA)

Abstract

The application provides a radioactive solution gamma ray count measuring device and system, including the flow cell, detect the subassembly, detect the top that the subassembly is located the flow cell, detect the subassembly and detect the gamma ray count of the radioactive solution in flowing into the flow cell, still including sweeping the subassembly, sweep the subassembly and be located between detection subassembly and the flow cell, gamma ray passes and sweeps the subassembly and get into the detection subassembly, sweeps the subassembly 30 and seal the flow cell, restriction radioactive solution gets into the detection subassembly. The measuring device provided by the application realizes the functions of on-line detection, purging, calibration and cleaning; the device has good measurement stability and data accuracy, and provides real-time effective monitoring data for the operation of the post-treatment process.

Description

Radioactive solution gamma ray counting and measuring device and measuring system
Technical Field
The application relates to spent fuel aftertreatment technology, in particular to a radioactive solution gamma ray counting measurement device and a measurement system.
Background
The on-line analysis of the post-treatment monitors the radioactive process flow in the production system of the post-treatment plant on line, and can display the instantaneous change of the process material components at any time. Compared with the conventional sampling analysis, the post-treatment online analysis does not need any chemical treatment, does not damage liquid flow, can realize continuous measurement, and provides a measurement result in real time so as to be convenient for adjusting process parameters; and a remote operation can be realized.
At present, the on-line analysis of the post-treatment adopts a NaI detector to directly measure the total gamma activity concentration in the feed liquid of the post-treatment process. In the long-term operation process, the strong gamma radioactivity of the feed liquid can gradually increase the background of the measuring device, thereby interfering with the accuracy of online measurement; meanwhile, when the online measuring device performs radioactive operations such as debugging, calibration and overhaul, corresponding air purging and cleaning decontamination measures are lacked, and when the device is stained, operators are at risk of being irradiated.
Patent CN104122574a discloses a detection system and a detection method of radioactive substance detection equipment, the detection system comprises a shielding chamber, a speed control mechanical device, a lead tank and a video monitoring system, a radioactive standard source is placed in the lead tank, at least one through hole is formed on the lead tank, and the through hole can be opened and closed in an adjustable manner; the lead tank is arranged on the speed control mechanical device, and the speed control mechanical device is arranged in the shielding chamber and drives the lead tank to move back and forth at a uniform speed; the video monitoring system is matched with the shielding room to monitor the testing process in the shielding room. The detection system employed in this patent does not enable on-line testing and does not give a high radioactive solution contamination solution.
Patent CN106990124A discloses an on-line measuring device and method for uranium content in uranium-containing liquid, comprising an organic glass pipeline, a shielding shell arranged outside the organic glass pipeline, and a sensor arranged in the shielding shell 57 The Co radioactive source also comprises a radiation source which takes the axis of the organic glass pipeline as a symmetry axis and 57 Cohigh-purity germanium gamma detectors with symmetrically arranged radioactive sources are connected with a plurality of gamma energy spectrometers through data wires, and uranium-containing liquid in a monitored process pipeline (point location) is introduced into a bypass measurement system so as to 57 And gamma rays with the proportion of 85.51% in Co are taken as penetrating rays, and a relation model of uranium concentration and counting rate is established through the absorption condition of an organic glass pipeline and uranium-containing solution on the gamma rays, so that the on-line and real-time measurement of the uranium concentration in uranium-containing liquid is realized. The patent does not relate to switching of different modes of operation and the uranium liquid is placed in a closed pipeline and does not relate to the problem of radioactive solution escape.
In view of the above technical problems, the present application is specifically directed.
Disclosure of Invention
The main purpose of the application is to provide a radioactive solution gamma-ray counting and measuring device so as to realize the functions of on-line detection, purging, calibration and cleaning; the device has good measurement stability and data accuracy, and provides real-time effective monitoring data for the operation of the post-treatment process.
In order to achieve the above object, the present application provides a radioactive solution gamma-ray counting and measuring device, which comprises a flow cell, a detection assembly,
the detection component is positioned above the flow cell and detects the gamma ray count of the radioactive solution flowing into the flow cell,
the device also comprises a purging component, the purging component is positioned between the detecting component and the flow cell, gamma rays pass through the purging component and enter the detecting component,
the purge assembly seals the flow cell and limits the entrance of radioactive solution into the detection assembly.
Further, the purging component comprises a sealing plate and a gas distribution flow guide plate, the gas distribution flow guide plate is sleeved below the sealing plate and is positioned above the liquid level of the radioactive solution in the flow cell, and the purging component is used for purging the surface of the radioactive solution in the flow cell and avoiding the radioactive solution aerosol in the flow cell from polluting the sealing plate.
Further, the gamma ray detector also comprises a calibration disc, wherein the calibration disc is positioned between the purging component and the detecting component, and a collimation hole is formed in the calibration disc and allows gamma rays to enter the detecting component.
Further, the calibration disk has a first rotational position, and when the calibration disk is located at the first rotational position, the alignment hole is communicated with the detection assembly, and the detection mode is started.
Further, the diameter of the collimation hole is 1-5mm.
Further, the calibration disk is provided with a calibration hole and a calibration source positioned in the calibration hole.
Further, the calibration disk has a second rotational position, and when the calibration disk is in the second rotational position, the calibration source is located below the detection assembly, and the calibration mode is turned on.
Further, the device also comprises a motor-driven transmission shaft, wherein the transmission shaft is connected with the calibration disc and drives the calibration disc to rotate, so that the switching of calibration and detection modes is realized.
Further, the alignment holes and the calibration holes are symmetrically distributed about the axis of the transmission shaft.
Further, a cleaning liquid inlet is formed in the side wall of the flow cell, and cleaning liquid enters the flow cell through the cleaning liquid inlet.
Further, the flow cell is provided with a liquid inlet, and the liquid inlet is positioned at the bottom of the flow cell.
Further, the side wall of the flow cell is provided with an overflow port, and the radioactive solution flows out of the flow cell through the overflow port, so that the liquid level in the flow cell is kept stable at a certain height.
Further, the overflow port is located at a position lower than the cleaning liquid inlet.
Further, the gamma ray detector also comprises a shielding body, wherein the shielding body is sleeved on the detection assembly to shield gamma rays.
Further, the detection assembly comprises a detector probe selected from the group consisting of NaI scintillation crystals.
The radioactive solution gamma ray counting and measuring device provided by the application realizes the following technical effects:
1. this measuring device seals the flow cell through setting up the shrouding between flow cell and detection subassembly, avoids the radioactive solution in the flow cell to get into detection subassembly, protects detection subassembly, improves detection accuracy.
2. By arranging the gas distribution guide plate above the sealing plate and the liquid level of the flow cell, the solution surface of the flow cell is purged, so that the sealing plate is prevented from being polluted by aerosol of radioactive solution in the flow cell.
3. Through setting up the collimation hole, reduce the influence that the interference ray was the test result, improve detection accuracy.
4. Through integrating the alignment hole, calibration source etc. in the calibration dish to through motor drive calibration dish rotation, realize detecting, calibration and the online switch of the operating mode of maintenance.
5. The device realizes the functions of on-line detection, purging, calibration and cleaning; the device has good measurement stability and data accuracy, and provides real-time effective monitoring data for the operation of the post-treatment process.
In addition, the application also provides a radioactive solution gamma ray counting and measuring system which comprises the measuring device and the equipment room cover plate 2, wherein the measuring device is fixed below the equipment room cover plate 2.
The radioactive solution gamma ray counting and measuring system provided by the application realizes the following technical effects:
1. the measuring system adopts a modularized design, integrates the measuring device below the equipment room cover plate, achieves miniaturization, shields the ray through the equipment room cover plate, and improves the safety of operation.
2. The measuring device adopted in the measuring system seals the flow cell by arranging the sealing plate between the flow cell and the detecting component, so that radioactive solution in the flow cell is prevented from entering the detecting component, the detecting component is protected, and the detection precision is improved.
3. The measuring device adopted in the measuring system is provided with the gas distribution flow guide disc above the liquid level of the sealing plate and the flow cell, so that the sealing plate is purged against the solution surface of the flow cell, and aerosol of radioactive solution in the flow cell is prevented from being polluted by the sealing plate.
4. The measuring device adopted in the measuring system reduces the influence of the interference rays as the test result and improves the detection precision by arranging the collimating aperture.
5. The measuring device used in the measuring system integrates a straight hole, a calibration source and the like in the calibration disc, and drives the calibration disc to rotate through a motor, so that the on-line switching of the working modes of detection, calibration and maintenance is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 shows a schematic structural diagram of a radioactive solution gamma-ray counting measurement device in the application.
Wherein the above figures include the following reference numerals:
10. a flow cell; 30. a purge assembly; 32. a sealing plate; 34. a gas distribution baffle; 40. a calibration plate; 42. a collimation hole; 44. calibrating the hole; 52. a transmission shaft; 120. a cleaning liquid inlet; 140. a liquid inlet; 160. an overflow port; 60. a shield; 22. a probe of a detector; 2. and a device chamber cover plate.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The present application is described in further detail below in conjunction with specific embodiments, which should not be construed as limiting the scope of the claims. The term "comprising" when used indicates the presence of a feature, but does not preclude the presence or addition of one or more other features; the directional or positional relationships indicated by the terms "transverse," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," etc., are based on the directional or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application; furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description, unless clearly indicated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context. Furthermore, in the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
Example 1:
in order to solve the pollution problem of the radioactive solution on-line detection to the detection assembly and improve the detection precision, the application provides a radioactive solution gamma-ray counting and measuring device, which prevents the radioactive solution from entering the detection device by sealing the radioactive solution, thereby solving the problems existing in the on-line detection; in addition, by carrying out structural optimization on the measuring device, the detection precision is further improved, the operation convenience is improved, and the radiation hazard of radioactive solution radiation to operators is reduced.
Specifically, as shown in FIG. 1, the measurement device includes a flow cell 10, a detection assembly. Wherein a detection assembly is positioned above the flow cell 10, the detection assembly detecting gamma ray counts of the radioactive solution flowing into the flow cell 10. In addition, a purge assembly 30 is included, the purge assembly 30 being located between the detection assembly and the flow cell 10. The purge assembly 30 seals the flow cell 10, limiting the entrance of radioactive solution into the detection assembly. Due to the strong gamma-ray activity of the radioactive solution, gamma-rays may pass through the purge assembly 30 into the detection assembly.
In one embodiment of this application, the purge assembly 30 includes a closure plate 32 and a gas distribution baffle 34. The closure plate 32 is used to seal the flow cell 10. The gas distribution flow guiding plate 34 is sleeved below the sealing plate 32 and is located above the liquid level of the radioactive solution in the flow cell 10, and the gas distribution flow guiding plate 34 is used for sweeping the surface of the radioactive solution in the flow cell 10, so that gas in the flow cell 10 is prevented from escaping upwards, and the gas is accumulated on the sealing plate 32, so that the detection accuracy is improved.
In another embodiment of this application, the measurement device further includes a calibration plate 40, the calibration plate 40 being located between the purge assembly 30 and the probe assembly. The calibration plate 40 is provided with a collimation hole 42, the collimation hole 42 allowing gamma rays to enter the detection assembly. By controlling the size of the collimation hole 42, other interfering rays can be blocked from entering the detection assembly, thereby further improving the detection accuracy. Preferably, the collimation holes 42 in this application have a diameter of 1-5mm.
The calibration disk 40 has a plurality of rotational positions and when in the first rotational position, the collimation hole 42 communicates with the detection assembly, the detector probe in the detection assembly is coaxially disposed with the collimation hole, and gamma rays are received by the detection assembly through the collimation hole 42, turning on the detection mode.
In addition, the calibration disk 40 is provided with a calibration hole 44 and a calibration source positioned within the calibration hole 44. The calibration holes fix the calibration source. Preferably, the calibration source of the present application employs a Cs-137 solid source. In this application calibration source and collimation hole set up in same calibration dish, realize detecting and the switching of calibration through rotatory calibration dish, be convenient for control, simplified equipment structure.
The calibration plate 40 has a second rotational position and when the calibration plate 40 is in the second rotational position, the calibration source is positioned below the probe assembly and the probe head in the probe assembly is facing the calibration source inside the calibration aperture, calibrating the device and turning on the calibration mode.
In addition, the calibration disk 40 has a third rotation position, and when the calibration disk 40 is located at the third rotation position, the probe of the detector is opposite to the calibration hole on the calibration disk 40 and other positions outside the calibration hole, the calibration disk shields gamma rays of the radioactive solution in the flow cell, and the detector is extracted for maintenance.
In order to realize the switching of different working modes, the measuring device provided by the application further comprises a motor and a transmission shaft 52, the transmission shaft 52 is connected with the calibration disc 40, and the transmission shaft 52 drives the calibration disc 40 to rotate under the action of the motor, so that the switching of calibration and detection modes is realized.
Preferably, the alignment holes 42 and alignment holes 44 are symmetrically distributed about the axis of the drive shaft 52. Rotation of the drive shaft 52 by 180 ° may effect switching from the detection mode to the calibration mode or vice versa.
In one embodiment of this application, the side wall of the flow cell 10 is provided with a washing liquid inlet 120, through which washing liquid enters the flow cell 10.
In addition, the flow cell 10 is provided with a liquid inlet 140, and the liquid inlet 140 is positioned at the bottom of the flow cell 10. Preferably, the liquid inlet 140 is located at the lowest point of the flow cell 10, so as to ensure that the solution in the flow cell 10 is always the latest solution, and reflect the total gamma radioactivity of the process liquid in real time.
The side wall of the flow cell 10 is provided with an overflow port 160, the radioactive solution enters through the liquid inlet 140 and flows out of the flow cell 10 through the overflow port 160, and the liquid level in the flow cell 10 is kept stable at a certain height. Preferably, the overflow 160 is located at a position lower than the cleaning liquid inlet 120.
The adoption of the flow cell structure ensures that the solution flows at a relatively stable flow rate when the gamma ray count is measured; and after the radioactive background of the measuring device is raised, cleaning liquid is added into the flow cell through the cleaning liquid inlet to clean and decontaminate the flow cell.
In addition, the measuring device further comprises a shielding body 60, the shielding body 60 is sleeved on the detection assembly, gamma rays are shielded, and unnecessary radiation irradiation of personnel caused by gamma rays generated by radioactive solution is avoided.
The detection assembly comprises a detector probe, a photoelectric converter and a signal acquisition and processing system. Specifically, the detector probe is used for receiving gamma rays emitted by the high-level solution in the flow cell through the collimation hole. Preferably, the detector probe 22 is a NaI scintillation crystal.
In summary, the measuring device provided in this embodiment achieves the following technical effects:
1. this measuring device seals the flow cell through setting up the shrouding between flow cell and detection subassembly, avoids the radioactive solution in the flow cell to get into detection subassembly, protects detection subassembly, improves detection accuracy.
2. By arranging the gas distribution guide plate above the sealing plate and the liquid level of the flow cell, the solution surface of the flow cell is purged, so that the sealing plate is prevented from being polluted by aerosol of radioactive solution in the flow cell.
3. Through setting up the collimation hole, reduce the influence that the interference ray was the test result, improve detection accuracy.
4. Through integrating the alignment hole, calibration source etc. in the calibration dish to through motor drive calibration dish rotation, realize detecting, calibration and the online switch of the operating mode of maintenance.
5. The device realizes the functions of on-line detection, purging, calibration and cleaning; the device has good measurement stability and data accuracy, and provides real-time effective monitoring data for the operation of the post-treatment process.
Another aspect of the present application also proposes a radioactive solution gamma-ray counting measurement system comprising a measurement device and an equipment room cover plate 2, the measurement device being fixed below the equipment room cover plate 2. The radiation is shielded by arranging the equipment room cover plate, so that the radiation to the detection personnel is further reduced.
In summary, the measurement system provided in this embodiment achieves the following technical effects:
1. the measuring system adopts a modularized design, integrates the measuring device below the equipment room cover plate, achieves miniaturization, shields the ray through the equipment room cover plate, and improves the safety of operation.
2. The measuring device adopted in the measuring system seals the flow cell by arranging the sealing plate between the flow cell and the detecting component, so that radioactive solution in the flow cell is prevented from entering the detecting component, the detecting component is protected, and the detection precision is improved.
3. The measuring device adopted in the measuring system is provided with the gas distribution flow guide disc above the liquid level of the sealing plate and the flow cell, so that the sealing plate is purged against the solution surface of the flow cell, and aerosol of radioactive solution in the flow cell is prevented from being polluted by the sealing plate.
4. The measuring device adopted in the measuring system reduces the influence of the interference rays as the test result and improves the detection precision by arranging the collimating aperture.
5. The measuring device used in the measuring system integrates a straight hole, a calibration source and the like in the calibration disc, and drives the calibration disc to rotate through a motor, so that the on-line switching of the working modes of detection, calibration and maintenance is realized.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (16)

1. A radioactive solution gamma-ray counting and measuring device comprises a flow cell (10), a detection assembly,
the detection assembly is positioned above the flow cell (10), the detection assembly detects gamma ray counts of the radioactive solution flowing into the flow cell (10),
characterized by further comprising a purge assembly (30), the purge assembly (30) being located between the detection assembly and the flow cell (10), the gamma rays passing through the purge assembly (30) into the detection assembly,
the purge assembly (30) seals the flow cell (10) and limits the ingress of the radioactive solution into the detection assembly.
2. The radioactive solution gamma-ray counting measurement device according to claim 1, wherein the purging assembly (30) comprises a sealing plate (32) and a gas distribution flow guide plate (34), the gas distribution flow guide plate (34) is sleeved below the sealing plate (32) and is positioned above the liquid level of the radioactive solution in the flow cell (10) for purging the surface of the radioactive solution in the flow cell (10) to avoid contamination of the sealing plate (32) by radioactive solution aerosols in the flow cell (10).
3. The radioactive solution gamma-ray count measurement device of claim 1, further comprising a calibration disk (40), the calibration disk (40) being located between the purge assembly (30) and the detection assembly,
the calibration disk (40) is provided with a collimation hole (42), and the collimation hole (42) allows the gamma rays to enter the detection component.
4. A radioactive solution gamma-ray count measurement apparatus according to claim 3 characterized in that the calibration disk (40) has a first rotational position, the collimation hole (42) being in communication with the detection assembly when the calibration disk (40) is in the first rotational position, the detection mode being turned on.
5. The radioactive solution gamma-ray count measurement device according to claim 3 or 4, characterized in that the diameter of the collimation hole (42) is 1-5mm.
6. The radioactive solution gamma-ray count measurement device of claim 5, wherein the calibration plate (40) is provided with a calibration hole (44) and a calibration source located within the calibration hole (44).
7. The radioactive solution gamma-ray count measurement device of claim 3 or 4, wherein the calibration disk (40) has a second rotational position, the calibration source being located below the detection assembly when the calibration disk (40) is in the second rotational position, the calibration mode being turned on.
8. The radioactive solution gamma-ray counting measurement device according to claim 3 or 4, further comprising a motor-driven transmission shaft (52), wherein the transmission shaft (52) is connected with the calibration disc (40) to drive the calibration disc (40) to rotate, so as to realize the switching of calibration and detection modes.
9. The radioactive solution gamma-ray count measurement device of claim 8, wherein the collimating aperture (42) and the collimating aperture (44) are symmetrically distributed about an axis of the drive shaft (52).
10. A radioactive solution gamma-ray counting measurement device according to any one of claims 1-3, characterized in that the side wall of the flow cell (10) is provided with a washing liquid inlet (120), through which washing liquid inlet (120) the washing liquid enters the flow cell (10).
11. A radioactive solution gamma-ray counting measurement device according to any one of claims 1-3, characterized in that the flow cell (10) is provided with a liquid inlet (140), the liquid inlet (140) being located at the bottom of the flow cell (10).
12. The radioactive solution gamma-ray counting measurement device according to any one of claims 10, characterized in that an overflow port (160) is provided on a side wall of the flow cell (10), and the radioactive solution flows out of the flow cell (10) through the overflow port (160), so that the liquid level in the flow cell (10) is kept stable at a certain height.
13. The radioactive solution gamma-ray count measurement device according to claim 12, characterized in that the overflow port (160) is located at a position lower than the position of the cleaning liquid inlet (120).
14. A radioactive solution gamma-ray counting measurement device according to any one of claims 1-3, further comprising a shielding body (60), wherein the shielding body (60) is sleeved on the detection assembly to shield the gamma-rays.
15. A radioactive solution gamma-ray count measurement apparatus according to any of claims 1-3 wherein the detection assembly comprises a detector probe (22), the detector probe (22) being selected from the group consisting of NaI scintillation crystals.
16. A radioactive solution gamma-ray counting measurement system, characterized by comprising a measurement device according to any one of claims 1-15 and a device room cover plate (2), said measurement device being fixed below said device room cover plate (2).
CN202310224270.XA 2023-03-09 2023-03-09 Radioactive solution gamma ray counting and measuring device and measuring system Pending CN116136603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310224270.XA CN116136603A (en) 2023-03-09 2023-03-09 Radioactive solution gamma ray counting and measuring device and measuring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310224270.XA CN116136603A (en) 2023-03-09 2023-03-09 Radioactive solution gamma ray counting and measuring device and measuring system

Publications (1)

Publication Number Publication Date
CN116136603A true CN116136603A (en) 2023-05-19

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CN202310224270.XA Pending CN116136603A (en) 2023-03-09 2023-03-09 Radioactive solution gamma ray counting and measuring device and measuring system

Country Status (1)

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CN (1) CN116136603A (en)

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