CN104332198A - Radioactive nuclide gamma activity online measuring system - Google Patents
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- 229910052732 germanium Inorganic materials 0.000 abstract description 23
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Abstract
本发明提供了一种放射性核素γ活度在线测量系统，该系统包括：γ射线探测器、γ谱仪和计算机，所述γ射线探测器用于获取与核电厂一回路系统相连的辅助系统管道中各种放射性核素γ活度数据，所述γ谱仪用于从所述γ射线探测器获取所述各种放射性核素γ活度数据后进行核素的全能谱分析，所述计算机用于获取所述γ谱仪的分析结果并对该分析结果进行处理。该系统可布置在核电厂辅助厂房，通过γ射线探测器中的高纯锗γ探头对准与核电厂一回路系统相连的辅助系统管道，可在不接触、不破坏回路系统压力边界的情况下进行测量，不影响反应堆本身安全。
The invention provides an on-line measurement system for radionuclide gamma activity, the system includes: a gamma ray detector, a gamma spectrometer and a computer, the gamma ray detector is used to obtain the auxiliary system pipeline connected with the primary circuit system of the nuclear power plant The gamma activity data of various radionuclides, the gamma spectrometer is used to obtain the gamma activity data of various radionuclides from the gamma ray detector, and perform the full-energy spectrum analysis of nuclides, and the computer uses Obtaining the analysis result of the gamma spectrometer and processing the analysis result. The system can be arranged in the auxiliary building of the nuclear power plant. The high-purity germanium gamma probe in the gamma-ray detector is aimed at the auxiliary system pipe connected to the primary loop system of the nuclear power plant, and can be used without contacting or destroying the pressure boundary of the loop system. Measurements are taken without compromising the safety of the reactor itself.
Description
技术领域technical field
本发明涉及放射性核素测量设备领域，尤其涉及一种放射性核素γ活度在线测量系统。The invention relates to the field of radionuclide measurement equipment, in particular to an online measurement system for radionuclide gamma activity.
背景技术Background technique
反应堆冷却剂系统内放射性水平是判断反应堆运行是否正常的一个重要指标。在核电厂运行过程中，必须保持燃料组件和元件完整性，保证一回路的放射性水平低于安全运行限值。为此，在各个核电厂中都配置了取样分析等放射性物质检测手段，用于检测冷却剂中各种放射性核素的γ活度。The radioactivity level in the reactor coolant system is an important indicator to judge whether the reactor is running normally. During the operation of nuclear power plants, the integrity of fuel assemblies and components must be maintained to ensure that the radioactive level of the primary circuit is lower than the safe operating limit. For this reason, each nuclear power plant is equipped with radioactive substance detection methods such as sampling analysis to detect the gamma activity of various radionuclides in the coolant.
传统的核电厂取样分析方法，是一种离线测量技术，存在一定的不足，比如：1)取样时间间隔较大，不能实时测量，不能连续监测一回路中放射性核素活度变化情况；2)测量核素的种类不全，尤其是短寿命的核素很难测到；3)不能很好的测量沉积在系统管道壁的放射性核素等。The traditional nuclear power plant sampling and analysis method is an off-line measurement technology, which has certain deficiencies, such as: 1) The sampling time interval is relatively large, so it cannot be measured in real time, and cannot continuously monitor the change of radionuclide activity in the primary circuit; 2) The types of measured nuclides are incomplete, especially the short-lived nuclides are difficult to detect; 3) The radionuclides deposited on the system pipe wall cannot be well measured.
鉴于上述缺陷，本发明创作者经过长时间的研究和试验,最终获得了本发明。In view of the above-mentioned defects, the creator of the present invention has finally obtained the present invention through long-term research and testing.
发明内容Contents of the invention
本发明的目的在于提供一种放射性核素γ活度在线测量系统，用以克服上述技术缺陷。The object of the present invention is to provide an on-line measurement system for radionuclide gamma activity to overcome the above-mentioned technical defects.
为实现上述目的，本发明采用的技术方案在于：提供一种放射性核素γ活度在线测量系统该系统包括：γ射线探测器，用于获取与核电厂一回路系统相连的辅助系统管道中各种放射性核素γ活度数据，γ谱仪，用于从所述γ射线探测器获取所述各种放射性核素γ活度数据后进行核素的全能谱分析，计算机，用于获取所述γ谱仪的分析结果并对该分析结果进行处理。In order to achieve the above object, the technical solution adopted by the present invention is to provide an on-line measurement system for radionuclide gamma activity. The system includes: a gamma ray detector, which is used to obtain the The gamma activity data of various radionuclides, the gamma spectrometer, is used to perform full-energy spectrum analysis of nuclides after obtaining the gamma activity data of various radionuclides from the gamma ray detector, and the computer is used to obtain the gamma activity data of the various radionuclides. The analysis results of the gamma spectrometer and the analysis results are processed.
进一步，所述γ射线探测器包括高纯锗γ探头，所述计算机中安装有系统控制和分析软件，所述系统控制和分析软件可以在线绘制各种核素活度曲线，也可按照定义的时间间隔，离线分析指定时间区间内冷却剂中各种核素活度历史数据，并绘制图表。Further, the gamma-ray detector includes a high-purity germanium gamma probe, system control and analysis software is installed in the computer, and the system control and analysis software can draw various nuclide activity curves online, and can also draw various nuclide activity curves according to defined Time interval, offline analysis of the historical data of various nuclide activities in the coolant within the specified time interval, and draw charts.
进一步，所述γ射线探测器还包括准直器，所述高纯锗γ探头的头部插入所述准直器中，所述准直器的前端开设槽口，工作时将所述槽口对准待测管道。Further, the gamma-ray detector also includes a collimator, the head of the high-purity germanium gamma probe is inserted into the collimator, and a notch is provided at the front end of the collimator, and the notch is aligned during work. Align the pipe to be tested.
进一步，所述在线测量系统还包括探头冷却器，其与所述高纯锗γ探头通过制冷管道连接，采用电制冷用于对所述高纯锗γ探头进行冷却。Further, the on-line measurement system also includes a probe cooler, which is connected to the high-purity germanium gamma probe through a refrigeration pipeline, and uses electric refrigeration to cool the high-purity germanium gamma probe.
进一步，所述在线测量系统还包括支架、探测器支板、上底板、第一调整单元和第二调整单元，所述支架呈箱体结构，自上而下共分成四层，最上层放置所述γ射线探测器、探测器支板、上底板、第一调整单元和第二调整单元，所述γ射线探测器放置在所述探测器支板上，所述第一调整单元用于调整所述探测器支板的轴向高度和横向位置，所述第二调整单元用于调整所述探测器支板的前后位置，所述支架的第二层放置所述计算机，所述支架的第三层放置所述γ谱仪，所述支架的第四层放置所述探头冷却器。Further, the on-line measurement system also includes a bracket, a detector support plate, an upper base plate, a first adjustment unit, and a second adjustment unit. The bracket is in a box structure and is divided into four layers from top to bottom. The γ-ray detector, the detector support plate, the upper base plate, the first adjustment unit and the second adjustment unit, the γ-ray detector is placed on the detector support plate, and the first adjustment unit is used to adjust the The axial height and lateral position of the detector support plate, the second adjustment unit is used to adjust the front and rear positions of the detector support plate, the computer is placed on the second layer of the support, and the third layer of the support The gamma spectrometer is placed on the first layer, and the probe cooler is placed on the fourth layer of the bracket.
进一步，所述第一调整单元包括螺柱和调节螺母，所述探测器支板通过所述螺柱和调节螺母连接，所述调节螺母共有四个，分别位于所述探测器支板的四个角上。Further, the first adjustment unit includes a stud and an adjustment nut, the detector support plate is connected through the stud and the adjustment nut, and there are four adjustment nuts, which are respectively located on the four sides of the detector support plate. corner.
进一步，所述第二调整单元包括上滑轨和上滑块，所述上滑轨固定设置在所述上底板上，所述上滑轨共有两根，分别位于所述上底板的左右两侧，所述探测器支板通过上滑块和所述上滑轨连接。Further, the second adjustment unit includes an upper slide rail and an upper slider, the upper slide rail is fixedly arranged on the upper base plate, and there are two upper slide rails, which are respectively located on the left and right sides of the upper base plate , the detector support plate is connected with the upper slide rail through the upper slider.
进一步，所述计算机采用触摸屏一体机，所述计算机和所述支架通过抽拉式结构连接。Further, the computer adopts a touch screen all-in-one machine, and the computer and the bracket are connected through a pull-out structure.
进一步，所述在线测量系统还包括下底板和第三调整单元，所述支架位于所述下底板的上方，所述第三调整单元用于调整所述支架的前后位置。Further, the online measurement system further includes a lower base plate and a third adjustment unit, the bracket is located above the lower base plate, and the third adjustment unit is used to adjust the front and rear positions of the bracket.
进一步，所述第三调整单元包括下滑轨和下滑块，所述下滑轨固定设置在所述下底板上，所述下滑轨共有两根，分别位于所述下底板的左右两侧，所述支架通过所述下滑块和所述下滑轨连接。Further, the third adjustment unit includes a lower rail and a lower slider, the lower rail is fixedly arranged on the lower floor, there are two of the lower rails, which are respectively located on the left and right sides of the lower floor, the The bracket is connected through the lower slider and the lower rail.
与现有技术比较本发明的有益效果在于：本发明提供的一种放射性核素γ活度在线测量系统，可布置在核电厂辅助厂房，通过高纯锗γ探头对准与核电厂一回路系统相连的辅助系统管道，可在不接触、不破坏回路系统压力边界的情况下进行测量，不影响反应堆本身安全。Compared with the prior art, the beneficial effect of the present invention lies in that the on-line measurement system of radionuclide gamma activity provided by the present invention can be arranged in the auxiliary building of the nuclear power plant, and the high-purity germanium gamma probe is aligned with the primary loop system of the nuclear power plant The connected auxiliary system pipes can be measured without touching or destroying the pressure boundary of the loop system, and will not affect the safety of the reactor itself.
能自动连续在线测量和分析管道冷却剂中放射性核素的γ活度，减少取样分析工作的人力物力，从而有效降低工作人员受到的辐射剂量与取样分析产生的放射性废物量；可进行核素的全能谱分析，能及时获取冷却剂中各种裂变核素、腐蚀产物核素和活化产物的活度，特别是对短寿命核素的分析效果非常好，对沉积在系统管道壁的放射性核素也能很好的测量；可在线绘制核素活度曲线，也可按照定义的时间间隔，离线分析指定时间区间内冷却剂中各种核素活度历史数据，并绘制图表；该装置设计成一体化设备，具有前后直线移动和上下高度调节，以及一定的横向微调功能，操作简单，便于现场安装调试。It can automatically and continuously measure and analyze the gamma activity of radionuclides in the pipeline coolant on-line, reduce the manpower and material resources of sampling and analysis, thereby effectively reducing the radiation dose received by the staff and the amount of radioactive waste generated by sampling and analysis; Full-energy spectrum analysis can timely obtain the activities of various fission nuclides, corrosion product nuclides and activation products in the coolant, especially for short-lived nuclides. It can also measure well; the nuclide activity curve can be drawn online, and the historical data of various nuclide activities in the coolant in the specified time interval can be analyzed offline according to the defined time interval, and charts can be drawn; the device is designed to Integrated equipment, with front and rear linear movement, up and down height adjustment, and certain horizontal fine-tuning functions, easy to operate and convenient for on-site installation and commissioning.
附图说明Description of drawings
图1为本发明实施例一的一种放射性核素γ活度在线测量装置的结构示意图；Fig. 1 is the structural representation of a kind of radionuclide gamma activity online measuring device of embodiment one of the present invention;
图2为本发明实施例二的一种放射性核素γ活度在线测量装置的结构示意图；Fig. 2 is a schematic structural view of a radionuclide gamma activity online measuring device according to Embodiment 2 of the present invention;
图3为本发明实施例三的一种放射性核素γ活度在线测量装置的结构示意图；3 is a schematic structural view of a radionuclide gamma activity online measuring device according to Embodiment 3 of the present invention;
图4为本发明实施例四的一种放射性核素γ活度在线测量装置的结构示意图；Fig. 4 is a schematic structural view of a radionuclide gamma activity online measuring device according to Embodiment 4 of the present invention;
图5为本发明实施例五的一种放射性核素γ活度在线测量装置的结构示意图。Fig. 5 is a schematic structural diagram of an on-line radionuclide gamma activity measuring device according to Embodiment 5 of the present invention.
具体实施方式Detailed ways
实施例一Embodiment one
如图1所示，在本实施例中提供的一种放射性核素γ活度在线测量装置，包括γ射线探测器1、γ谱仪2和计算机3。所述γ射线探测器1和所述γ谱仪2通过数据线连接，所述γ谱仪2和所述计算机3通过网线或者USB数据线连接。所述γ射线探测器1包括高纯锗γ探头11。所述计算机3中安装有系统控制和分析软件。使用该系统时，将所述γ射线探测器1的高纯锗γ探头11对准与核电厂一回路系统相连的辅助系统管道，如化容系统下泻管道、取样管道等，管道内冷却剂中各种裂变核素、腐蚀产物核素和活化产物核素以及沉积在管道壁上的放射性核素的射线进入所述高纯锗γ探头11中后，所述高纯锗γ探头11就获取了管道中各种放射性核素γ活度数据，所述γ谱仪2通过数据线从所述高纯锗γ探头11中获取所述各种放射性核素γ活度数据后进行核素的全能谱分析，并将分析结果通过网络或者USB数据线传输给所述计算机3，所述计算机3将所述分析结果存储后进行处理，所述计算机3中的系统控制和分析软件可以在线绘制各种核素活度曲线，也可按照定义的时间间隔，离线分析指定时间区间内冷却剂中各种核素活度历史数据，并绘制图表。As shown in FIG. 1 , an on-line radionuclide gamma activity measuring device provided in this embodiment includes a gamma ray detector 1 , a gamma spectrometer 2 and a computer 3 . The gamma-ray detector 1 is connected to the gamma spectrometer 2 through a data line, and the gamma spectrometer 2 is connected to the computer 3 through a network cable or a USB data line. The gamma-ray detector 1 includes a high-purity germanium gamma probe 11 . System control and analysis software is installed in the computer 3 . When using this system, the high-purity germanium gamma probe 11 of the gamma-ray detector 1 is aligned with the auxiliary system pipeline connected to the primary loop system of the nuclear power plant, such as the discharge pipeline of the chemical volume system, the sampling pipeline, etc., the coolant in the pipeline After the rays of various fission nuclides, corrosion product nuclides, activation product nuclides, and radioactive nuclides deposited on the pipeline wall enter the high-purity germanium gamma probe 11, the high-purity germanium gamma probe 11 acquires The gamma activity data of various radionuclides in the pipeline, the gamma spectrometer 2 obtains the gamma activity data of the various radionuclides from the high-purity germanium gamma probe 11 through the data line, and performs the full energy spectrum of the nuclide analysis, and the analysis results are transmitted to the computer 3 through the network or USB data line, and the computer 3 processes the analysis results after storage, and the system control and analysis software in the computer 3 can draw various kernels online. The nuclide activity curve can also analyze the historical data of various nuclide activities in the coolant in the specified time interval offline according to the defined time interval, and draw a chart.
实施例二Embodiment two
如图2所示，本实施例与实施例一不同的是，本实施例提供的一种放射性核素γ活度在线测量装置中的γ射线探测器1还包括准直器12，所述高纯锗γ探头11的头部插入所述准直器12中，所述准直器12的前端开设槽口，工作时将所述槽口对准待测管道，管道内放射性射线就可通过所述槽口进入所述高纯锗γ探头11中。本实施例中的准直器12能够待测管道所处的现场环境的干扰射线进行屏蔽。As shown in Figure 2, the difference between this embodiment and Embodiment 1 is that the gamma ray detector 1 in a kind of radionuclide gamma activity online measuring device provided by this embodiment also includes a collimator 12, and the high The head of the pure germanium gamma probe 11 is inserted into the collimator 12, and the front end of the collimator 12 is provided with a notch. When working, the notch is aligned with the pipeline to be tested, and the radioactive rays in the pipeline can pass through the The notch enters the high-purity germanium gamma probe 11. The collimator 12 in this embodiment can shield the interfering rays of the on-site environment where the pipeline to be tested is located.
实施例三Embodiment three
如图3所示，本实施例与实施例二不同的是，本实施例提供的一种放射性核素γ活度在线测量装置还包括探头冷却器4，其与所述高纯锗γ探头11通过制冷管道连接，采用电制冷用于对所述高纯锗γ探头11进行冷却。As shown in Figure 3, the difference between the present embodiment and the second embodiment is that a kind of radionuclide gamma activity online measuring device provided by the present embodiment also includes a probe cooler 4, which is connected with the high-purity germanium gamma probe 11 The high-purity germanium gamma probe 11 is cooled by electric refrigeration through a refrigeration pipeline connection.
实施例四Embodiment four
如图4所示，本实施例与上述实施例不同的是，本实施例提供的一种放射性核素γ活度在线测量装置还包括支架5、探测器支板6、上底板7、第一调整单元和第二调整单元。该支架5呈箱体结构，自上而下共分成四层。最上层放置所述γ射线探测器1、探测器支板6、上底板7、第一调整单元和第二调整单元。所述第一调整单元包括螺柱和调节螺母8，所述第二调整单元包括上滑轨71和上滑块72。所述探测器支板6通过所述螺柱和调节螺母8连接，所述调节螺母8共有四个分别位于所述探测器支板6的四个角上，通过调节所述调节螺母8可对所述探测器支板6的轴向高度和横向位置进行一定量的调整。所述上滑轨71固定设置在所述上底板7上，所述上滑轨71共有两根，分别位于所述上底板7的左右两侧，所述探测器支板6通过上滑块72和所述上滑轨71连接，所述探测器支板6在所述上滑轨71上可进行前后直线移动。所述γ射线探测器1包括高纯锗γ探头11和准直器12，所述高纯锗γ探头11放置在所述探测器支板6上，所述高纯锗γ探头11的头部插入所述准直器12中，所述准直器12的前端开设槽口，工作时将所述槽口对准待测管道，管道内放射性射线就可通过所述槽口进入所述高纯锗γ探头11中。所述支架5的第二层放置所述计算机3，所述计算机3采用触摸屏一体机，所述计算机3和所述支架5通过抽拉式结构连接，使用时通过把手将所述计算机3从所述支架5拉出，用完推回。所述支架5的第三层放置所述γ谱仪2，所述γ谱仪2通过数据线与所述γ射线探测器1的高纯锗γ探头11连接，所述γ谱仪2和所述计算机3通过网线或者USB数据线连接。所述支架5的第四层放置所述探头冷却器4，其与所述高纯锗γ探头11通过制冷管道连接，采用电制冷用于对所述高纯锗γ探头11进行冷却。本实施例的一种放射性核素γ活度在线测量装置设计成一体化设备，具有前后直线移动和上下高度调节，以及一定的横向微调功能，操作简单，便于现场安装调试。As shown in Figure 4, the difference between this embodiment and the above-mentioned embodiment is that the on-line measurement device for radionuclide gamma activity provided by this embodiment also includes a bracket 5, a detector support plate 6, an upper base plate 7, a first adjustment unit and a second adjustment unit. The bracket 5 is a box structure, which is divided into four layers from top to bottom. The gamma-ray detector 1 , the detector support plate 6 , the upper base plate 7 , the first adjustment unit and the second adjustment unit are placed on the uppermost layer. The first adjustment unit includes a stud and an adjustment nut 8 , and the second adjustment unit includes an upper slide rail 71 and an upper slide block 72 . The detector support plate 6 is connected with the adjustment nut 8 through the stud, and there are four adjustment nuts 8 which are respectively located on the four corners of the detector support plate 6. By adjusting the adjustment nut 8, the The axial height and lateral position of the detector support plate 6 are adjusted to a certain extent. The upper slide rail 71 is fixedly arranged on the upper base plate 7, and there are two upper slide rails 71, which are respectively located on the left and right sides of the upper base plate 7, and the detector support plate 6 passes through the upper slide block 72 Connected with the upper slide rail 71 , the detector support plate 6 can move linearly forward and backward on the upper slide rail 71 . The gamma-ray detector 1 includes a high-purity germanium gamma probe 11 and a collimator 12, the high-purity germanium gamma probe 11 is placed on the detector support plate 6, and the head of the high-purity germanium gamma probe 11 Insert it into the collimator 12, the front end of the collimator 12 is provided with a notch, and the notch is aligned with the pipeline to be tested during work, and the radioactive rays in the pipeline can enter the high-purity ray through the notch. Germanium gamma probe 11. The computer 3 is placed on the second layer of the bracket 5, and the computer 3 adopts a touch screen integrated machine. The computer 3 and the bracket 5 are connected by a pull-out structure. The support 5 is pulled out and pushed back after use. The third layer of the support 5 places the gamma spectrometer 2, and the gamma spectrometer 2 is connected with the high-purity germanium gamma probe 11 of the gamma ray detector 1 through a data line, and the gamma spectrometer 2 and the gamma spectrometer 2 The computer 3 is connected through a network cable or a USB data cable. The probe cooler 4 is placed on the fourth layer of the bracket 5, which is connected to the high-purity germanium gamma probe 11 through a refrigeration pipeline, and electric refrigeration is used to cool the high-purity germanium gamma probe 11. The on-line radionuclide gamma activity measuring device in this embodiment is designed as an integrated device, which has forward and backward linear movement and vertical height adjustment, as well as a certain horizontal fine-tuning function. It is easy to operate and convenient for on-site installation and debugging.
实施例五Embodiment five
如图5所示，本实施例与实施例四不同的是，本实施例提供的一种放射性核素γ活度在线测量装置还包括下底板9和第三调整单元，所述第三调整单元包括下滑轨10和下滑块13，所述下滑轨10固定设置在所述下底板9上，所述下滑轨10共有两根，分别位于所述下底板9的左右两侧，所述支架5通过所述下滑块13和所述下滑轨10连接，所述支架5可在所述下滑轨10上进行前后直线移动。As shown in Figure 5, the difference between this embodiment and Embodiment 4 is that a kind of radionuclide gamma activity online measurement device provided by this embodiment also includes a lower base plate 9 and a third adjustment unit, and the third adjustment unit Including a lower rail 10 and a lower slider 13, the lower rail 10 is fixedly arranged on the lower base plate 9, and there are two lower rails 10, which are respectively located on the left and right sides of the lower base plate 9, and the bracket 5 Through the connection between the lower slider 13 and the lower rail 10 , the bracket 5 can move linearly forward and backward on the lower rail 10 .
上述各实例中，所述探测器支板6为不锈钢；所述调节螺母8为不锈钢；所述准直器12的材料包括铅、铜、有机玻璃等，其主体材料为铅；所述上滑轨71为不锈钢；所述上底板7为铝合金；所述支架5为不锈钢；所述下底板9为铝合金；所述下滑轨10为不锈钢。In each of the above examples, the detector support plate 6 is stainless steel; the adjustment nut 8 is stainless steel; the material of the collimator 12 includes lead, copper, plexiglass, etc., and its main material is lead; the upper slide The rail 71 is stainless steel; the upper bottom plate 7 is aluminum alloy; the bracket 5 is stainless steel; the lower bottom plate 9 is aluminum alloy; the lower rail 10 is stainless steel.
综上，本发明提供的一种放射性核素γ活度在线测量装置可布置在核电厂辅助厂房，通过高纯锗γ探头11对准与核电厂一回路系统相连的辅助系统管道，如化容系统下泻管道，取样管道等。可在不接触、不破坏回路系统压力边界的情况下进行测量，不影响反应堆本身安全。能自动连续在线测量和分析管道冷却剂中放射性核素的γ活度，减少取样分析工作的人力物力，从而有效降低工作人员受到的辐射剂量与取样分析产生的放射性废物(液)量；可进行核素的全能谱分析，能及时获取冷却剂中各种裂变核素、腐蚀产物核素和活化产物的活度，特别是对短寿命核素的分析效果非常好，对沉积在系统管道壁的放射性核素也能很好的测量；可在线绘制核素活度曲线，也可按照定义的时间间隔，离线分析指定时间区间内冷却剂中各种核素活度历史数据，并绘制图表；该装置设计成一体化设备，具有前后直线移动和上下高度调节，以及一定的横向微调功能，操作简单，便于现场安装调试。In summary, a radionuclide gamma activity on-line measurement device provided by the present invention can be arranged in the auxiliary building of a nuclear power plant, and the high-purity germanium gamma probe 11 is aimed at the auxiliary system pipeline connected to the primary loop system of the nuclear power plant, such as chemical capacity System drain pipes, sampling pipes, etc. It can be measured without touching or destroying the pressure boundary of the loop system, and does not affect the safety of the reactor itself. It can automatically and continuously measure and analyze the gamma activity of radionuclides in the pipeline coolant on-line, reduce the manpower and material resources of sampling and analysis, thereby effectively reducing the radiation dose received by the staff and the amount of radioactive waste (liquid) generated by sampling and analysis; The full-energy spectrum analysis of nuclides can obtain the activities of various fission nuclides, corrosion product nuclides and activation products in the coolant in time, especially for the analysis of short-lived nuclides. Radionuclides can also be measured very well; the nuclide activity curve can be drawn online, and the historical data of various nuclide activities in the coolant in the specified time interval can be analyzed offline according to the defined time interval, and charts can be drawn; the The device is designed as an integrated device, with front and rear linear movement, up and down height adjustment, and certain horizontal fine-tuning functions. It is easy to operate and convenient for on-site installation and debugging.
以上所述仅为本发明的较佳实施例，对本发明而言仅仅是说明性的，而非限制性的。本专业技术人员理解，在本发明权利要求所限定的精神和范围内可对其进行许多改变，修改，甚至等效，但都将落入本发明的保护范围内。The above descriptions are only preferred embodiments of the present invention, and are only illustrative rather than restrictive to the present invention. Those skilled in the art understand that many changes, modifications, and even equivalents can be made within the spirit and scope defined by the claims of the present invention, but all will fall within the protection scope of the present invention.
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