CN113484896B - Radioactive substance detection device - Google Patents
Radioactive substance detection device Download PDFInfo
- Publication number
- CN113484896B CN113484896B CN202110740796.4A CN202110740796A CN113484896B CN 113484896 B CN113484896 B CN 113484896B CN 202110740796 A CN202110740796 A CN 202110740796A CN 113484896 B CN113484896 B CN 113484896B
- Authority
- CN
- China
- Prior art keywords
- detection
- mounting
- basket
- shielding
- sample pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 116
- 239000000941 radioactive substance Substances 0.000 title claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 114
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000004090 dissolution Methods 0.000 claims description 40
- 238000005070 sampling Methods 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 21
- 239000012857 radioactive material Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 6
- 230000002285 radioactive effect Effects 0.000 description 10
- 230000005855 radiation Effects 0.000 description 8
- 239000003814 drug Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229940121896 radiopharmaceutical Drugs 0.000 description 2
- 239000012217 radiopharmaceutical Substances 0.000 description 2
- 230000002799 radiopharmaceutical effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002637 fluid replacement therapy Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- FVAUCKIRQBBSSJ-LAIFMVDKSA-M sodium;iodine-131(1-) Chemical compound [Na+].[131I-] FVAUCKIRQBBSSJ-LAIFMVDKSA-M 0.000 description 1
Classifications
-
- 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
- G01T1/167—Measuring radioactive content of objects, e.g. contamination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material
Landscapes
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention discloses a radioactive substance detection device, which comprises an online detector, wherein the online detector comprises a movable shielding frame body; the shielding tool is arranged on the movable shielding frame body and is provided with a detection channel; and the detection probe is arranged on the shielding tool and positioned at the top end of the detection channel, and is connected with the data processor through a data line. The invention has reasonable design and simple structure, the on-line detector is reasonably designed, and the on-line detector is provided with a plurality of shielding tools, the shielding tools facilitate the staff to drain radioactive substances to the closed detection channel, the detection probes qualitatively or quantitatively detect the radioactive substances in the detection channel, in the process, the radioactive substances cannot leak, the personal safety of the staff is ensured, the materials to be detected are circularly detected, and the quality or the volume of the materials to be detected cannot be changed in the process, so that the detection efficiency and the accuracy are higher.
Description
Technical Field
The invention relates to the field of radioactive material detection, in particular to a radioactive material detection device.
Background
The radioactive detection device is used for detecting the components and the intensity of the radionuclide in the solution, and mainly detects radioactive substances of a detected sample through a radioactive detector to realize qualitative or quantitative detection, and is particularly suitable for detecting radiopharmaceuticals. For radiopharmaceuticals, such as sodium iodide [ 131 I ] capsules, the maximum activity of each capsule reaches 100 mCi-150 mCi, if the dissolution rate of 6 capsules is measured at one time, the total activity reaches 600 mCi-900 mCi, and if the total activity is measured by adopting a manual sampling mode, the total activity can cause great radiation irradiation to workers and the environment.
Disclosure of Invention
Therefore, in order to solve the defects, the invention provides the device for online radioactive detection, which has reasonable design and simple structure and is convenient to use, the online detector is reasonably designed, the online detector is provided with a plurality of shielding tools, the shielding tools facilitate workers to drain radioactive substances to a closed detection channel, the detection probes qualitatively or quantitatively detect the radioactive positions in the detection channel, in the process, the radioactive substances cannot leak in a closed loop manner, the radiation safety of the workers and the environment is ensured, the online detection is realized, the materials to be detected are circularly detected, the quality or the volume of the materials to be detected cannot be changed in the process, and the detection efficiency and the accuracy are higher.
The present invention is achieved by constructing a radioactive substance detection apparatus including an on-line detector including
The upper end of the movable shielding frame body is provided with an installation platform; the bottom of this support body is provided with the gyro wheel to this portable shielding support body still installs the handle, mounting platform is provided with the treater and places the support.
The shielding tool is fixedly arranged on the mounting platform, a closed detection channel is arranged in the shielding tool, and a circulating type feeding channel is formed in the bottom of the detection channel; and
And the detection probe is detachably arranged on the shielding tool and positioned at the top end of the detection channel, and is connected with the data processor through a data line.
Preferably, a circulating sampling device is further installed on the movable shielding frame body, a sample pump pipe is arranged at an inlet and an outlet of the circulating sampling device, one end of the sample pump pipe is connected with an external material source, and the other end of the sample pump pipe is connected with the material source in a back way after passing through a material supply channel; the purpose that this set up is, realizes waiting to examine the online detection of material to the material is the circulation, and waiting to examine material quality or volume at this in-process all can not change, lets detection efficiency and precision higher, overcomes traditional sample and detects, also overcomes the measurement when taking a sample.
Preferably, a shielding plate fixed on the movable shielding frame body is arranged between the circulating sampling device and the shielding tool, and the purpose of the arrangement is to shield the radiation irradiation of the radioactive solution in the pump pipe of the material pump and the dissolution meter to the staff, so as to ensure the personal safety of the staff; meanwhile, the interference of radioactive rays in the pump tube and the dissolution instrument on the detection probe can be prevented.
Preferably, the shielding tool comprises
A detection probe mounting part provided with a cavity for accommodating the detection probe;
The sample pump tube mounting part is movably mounted at the bottom end of the detection probe mounting part; and
And the detection channel is used for enabling the center of the probe to be communicated with the top end of the sample pump tube in a straight line.
Preferably, the bottom end of the detecting probe mounting part can be further provided with a probe collimation shielding piece according to the requirement of a detecting sample, the center of the collimation shielding piece is provided with a detecting hole, and the detecting hole is coaxial with the detecting channel. The purpose of this arrangement is to shield the measurement from the natural background in case the sample can be detected efficiently.
Preferably, the shielding piece is made of lead, and the purpose of the arrangement is to improve the shielding effect.
Preferably, a detachable base is arranged at the bottom end of the sample pump tube mounting part and used for fixing the sample pump tube mounting part and the detection probe mounting part; the sample pump pipe installation part is installed on the base in a drawer drawing mode, and is convenient to install and detach. The purpose that this set up is, use with the cooperation of test probe installation department, lets the structure more stable, and the installation is more convenient with dismantling, also can realize the location to sample pump line installation department simultaneously.
Preferably, the sample pump tube mounting portion includes:
A mounting base plate provided with a recess for accommodating a sample pump tube; and
The mounting cover plate is matched with the mounting bottom plate to form a closed feeding channel;
wherein, the detection channel runs through in the installation apron and with feed channel intercommunication.
Preferably, the bottom of the mounting bottom plate, which is close to one end of the inlet and outlet of the sample pump tube, is also provided with a bump which is convenient for extraction. The purpose of this setting is, makes the sample pump line installation department drawer that mounting plate and mounting plate constitute take out more conveniently.
Preferably, the system also comprises a dissolution instrument connected with the circulating sampling device through a pipeline, wherein the dissolution instrument comprises
The water bath box is internally provided with a plurality of dissolution cups which are heated by water bath, and the dissolution cups are connected with the circulating sampling device through a sample pump pipe;
the electric box and the control box are used for controlling the temperature, the rotating speed, the time and the like of the medium during the test;
The number of the rotating baskets is the same as that of the dissolving-out cups, and
The basket rod lifting device is provided with a plurality of basket rods, and the rotary basket is arranged on the basket rods in a buckling manner and is driven to move up and down by the basket rod lifting device.
Preferably, the water bath device further comprises a mounting plate for assisting the rotating basket to be quickly mounted on the rotating basket rod, and the mounting plate is detachably mounted at the upper end of the water bath box;
the mounting plate is provided with rotary basket positioning blocks with the same number as that of the dissolving-out cups through bolts.
Preferably, the mounting plate comprises a plate body, mounting holes which have the same number as the dissolution cups and are used for mounting the rotating basket positioning blocks are formed in the plate body, and bolt mounting holes are formed in two sides of the mounting holes; the mounting holes are used for positioning and mounting the rotating basket positioning blocks;
Preferably, a positioning and mounting groove matched with the dissolution cup is formed in the lower end face of the plate body; the mounting groove is convenient for positioning the plate body at the dissolution part.
The rear side edge of the plate body is provided with a clamping lug respectively, and the clamping lugs facilitate the clamping and fastening of the plate body.
Preferably, the basket rod lifting device comprises
The moving plate is provided with rotary basket rods with the same number as that of the dissolving cups, so that a plurality of rotary basket rods move up and down synchronously, and the bottom of each rotary basket rod is a rotary basket buckling part; and
The servo motor is fixedly arranged on the dissolution instrument main body, the servo motor is connected with a screw rod, a sliding block which moves up and down through the rotation of the screw rod is arranged on the screw rod, and the sliding block is fixedly connected with the moving plate.
The basket rod lifting device adopts a motor and a screw rod for transmission, is accurate in transmission and convenient to control, can realize up-and-down movement of the basket rod of the rotary basket, and is convenient for installation or movement of the rotary basket.
The invention has the following advantages:
The device for the real-time online detection of the radioactive solution is reasonable in design, simple in structure, convenient and safe to operate, is a device for the real-time online detection of the radioactive solution in multiple channels, and can be used for the real-time online detection of multiple samples. Through reasonable design on-line measuring appearance, this on-line measuring appearance is provided with several shielding frock, this shielding frock has made things convenient for the staff to drain the airtight detection passageway with the radioactive substance, and detect probe carries out qualitative or quantitative detection to the radioactive substance in detecting passageway again, in this process, the radioactive substance can not expose, staff's personal safety has been guaranteed, on-line measuring has been realized, and wait to detect the material and be cyclic detection, wait to examine material quality and volume and can not change at this in-process, the fluid replacement in having avoided traditional dissolution experiment, let detection efficiency and precision higher.
Meanwhile, the plurality of shielding tools can prevent radiation of radioactive substances from penetrating out except for mounting the detection probes, so that radiation irradiation to personnel is prevented; the mutual interference of rays emitted by radioactive substances in adjacent tools is prevented, so that the radioactive detection quality is better and the anti-interference performance is stronger; and simultaneously, the influence of the environmental radioactive background is reduced.
Meanwhile, the on-line detector is mobile, the roller with the brake is arranged at the bottom, and the handle is arranged, so that a worker can conveniently move to a designated position to detect the roller, and the adaptability of the detection device is stronger.
Reasonably designing a circulating sampling device on the online detector, wherein the circulating sampling device can enable materials to be detected to be circularly introduced into the shielding tool so as to facilitate detection of a detection probe; the circulating sampling device can realize material circulation, the quality or the volume of the material to be detected cannot be changed, and the detection efficiency and the accuracy are higher.
According to the invention, through reasonably designing the dissolution instrument, automatic feeding and dissolution of materials can be realized, the medicine with radioactivity is dissolved into a solution through the dissolution instrument, and the solution is conveyed to the shielding tool through the circulating sampling device so as to be convenient for detection, so that the radiation irradiation of staff is greatly reduced;
This reasonable design mounting panel of dissolution instrument can make things convenient for the staff quick with changeing the basket automatic mount in the installation department of changeing the basket pole, and this mounting panel can realize the location to a plurality of changeing the basket, has avoided artifical long-time contact radioactivity to shine to for detachable installs in the dissolution department, and installation and dismantlement are convenient.
The positioning block for installing the rotating basket is installed on the mounting plate through the bolt, the rotating basket positioning block is used for fixing and positioning the rotating basket, a plurality of mounting grooves are formed in the bottom of the mounting plate, and the mounting plate is positioned on the dissolution part.
Drawings
Fig. 1-2 are schematic perspective views of a first embodiment of the present invention;
fig. 3 to 4 are perspective views of the on-line detector according to the first and second embodiments of the present invention;
FIG. 5 is a schematic front view of an on-line detector according to the first and second embodiments of the present invention;
FIG. 6 is a schematic top view of an on-line detector according to the first and second embodiments of the present invention;
FIG. 7 is a schematic view illustrating the installation of a shielding tool on an inspection probe according to the first and second embodiments of the present invention;
Fig. 8 is a schematic diagram illustrating disassembly of a shielding tool according to the first and second embodiments of the present invention;
fig. 9 is a schematic front view of a shielding tool in the first embodiment and the second embodiment of the present invention;
FIG. 10 is a cross-sectional view of L-L of FIG. 9;
FIG. 11 is an enlarged partial schematic view of X in FIG. 10;
FIG. 12 is a schematic front view of a detecting probe mounting portion according to the first and second embodiments of the present invention;
FIG. 13 is a cross-sectional view of L-L of FIG. 12;
fig. 14 is a schematic perspective view of a mounting base plate in the first and second embodiments of the present invention;
FIG. 15 is a schematic top view of a mounting base plate in accordance with the first and second embodiments of the present invention;
Fig. 16 is a schematic front view of a shield member in the first and second embodiments of the present invention;
fig. 17 is a schematic top view of the shield in the first and second embodiments of the present invention;
fig. 18 is a schematic perspective view of a base in the first and second embodiments of the present invention;
FIG. 19 is a schematic perspective view of a dissolution tester according to a first embodiment of the present invention;
FIGS. 20 and 21 are partial schematic views of the inside of a dissolution tester according to a first embodiment of the present invention;
FIG. 22 is a schematic view of a mounting plate and spin basket positioning block mounting structure in accordance with one embodiment of the present invention;
FIG. 23 is a schematic view showing a split structure of a mounting plate and a spin basket positioning block according to the first embodiment of the present invention;
fig. 24 and 25 are schematic perspective views of a mounting plate according to a first embodiment of the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 25, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-25; embodiment one (the most preferred embodiment),
As shown in fig. 3 to 6, a radioactive material detection apparatus includes an in-line detector 200 including
The movable shielding frame 201 is provided with an installation platform at the upper end; the bottom of the frame is provided with rollers 206 and the mobile shielding frame is also mounted with handles 204, the mounting platform 201 is provided with a processor placement bracket 206.
The shielding tool 600 is placed on the mounting platform, a closed detection channel is arranged in the shielding tool, and a circulating type feeding channel is formed in the bottom of the detection channel;
And the detection probe 700 is detachably arranged on the shielding tool 600 and is positioned at the top end of the detection channel, and the detection probe 700 is connected with the data processor 500 through a data line.
In this embodiment, the movable shielding frame 201 is further provided with a circulating sampling device 205, and the inlet and outlet ports of the circulating sampling device 205 are provided with a sample pump tube, one end of the sample pump tube is connected with an external material source, and the other end of the sample pump tube is connected back to the material source after passing through the material supply channel.
In this embodiment, a shielding plate 202 fixed to the movable shielding frame 201 is disposed between the circulating sampling apparatus 205 and the shielding tool 600.
Preferably, the number of the detection probes and the number of the shielding tools are three.
As shown in fig. 7-13, in this embodiment, the shielding tool 600 includes
A detection probe mounting portion 10 provided with a cavity 11 accommodating a detection probe;
A sample pump tube mounting portion 20 movably mounted at the bottom end of the detection probe mounting portion; and
And the detection channel is used for enabling the center of the probe to be communicated with the top end of the sample pump tube in a straight line.
In this embodiment, the bottom end of the probe mounting portion may further mount a probe collimation shield according to a detected sample, and a detection hole is formed in the center of the collimation shield, where the detection hole is coaxial with the detection channel. .
Preferably, the shielding member 30 is made of lead.
In this embodiment, a detachable base 40 is disposed at the bottom end of the sample pump tube mounting portion 20, for fixing the sample pump tube mounting portion 20 and the detection probe mounting portion 10.
As shown in fig. 14 to 18, in the present embodiment, the sample pump tube mounting portion 20 includes:
A mounting base plate 21 provided with a groove 21-2 for accommodating a sample pump tube; and
A mounting cover plate 22 which is matched with the mounting bottom plate to form a closed feeding channel;
wherein, the detection channel runs through in the installation apron and with feed channel intercommunication.
Preferably, a flaring 21-1 which is in the same straight line with the detection channel is arranged at the end part of the groove 21-2;
Preferably, the front end of the bottom of the mounting base plate 21 is further provided with a protrusion 21-4 for facilitating extraction.
Preferably, the mounting base plate 21 is provided with a limiting groove 21-3 for limiting the mounting cover plate.
Preferably, the mounting portion 10 of the test probe is provided with a radial mounting groove 12 for mounting the mounting portion 20 of the sample pump tube, and the radial length of the mounting portion 20 of the sample pump tube is greater than the radial depth of the mounting groove 12, so that a loading and unloading portion which is located outside the mounting groove 12 and is convenient for drawing the mounting portion 20 of the sample pump tube is formed at the tail portion of the mounting portion 20 of the sample pump tube, and the protruding block 21-4 is located at the loading and unloading portion.
The detection device is characterized in that the probe is arranged in the probe mounting part during detection, the sample to be detected is positioned at the sample pump pipe mounting part below the probe, and when the sample to be detected moves at a constant speed below the probe, the probe can detect the radioactivity of the sample to be detected through the linear detection channel. The probe installation part, the shielding piece and the base are all made of shielding materials, and under the special structural design of the embodiment, the radiation of the background of the detection environment can be effectively shielded, the detection accuracy is remarkably improved, and meanwhile, the radiation of a sample to be detected to an operator can be effectively reduced.
As shown in fig. 1 and 2, in the present embodiment, the dissolution apparatus 100 connected to the circulation sampling device 205 through a pipe is further included,
As shown in fig. 19 to 21, the dissolution apparatus 100 includes
The water bath box 105 is internally provided with a plurality of dissolution cups 112 heated by a water bath, and the dissolution cups are connected with a circulating sampling device 205 through a feed pipe;
A number of spin basket which is the same as the number of dissolving-out cups 112, and
The basket rod lifting device is arranged in the dissolution instrument main body and provided with a plurality of rotary basket rods 110, and the rotary basket is arranged on the rotary basket rods 110 in a buckling manner and is driven to move up and down by the basket rod lifting device.
The embodiment also comprises an electric box and a control box, which are used for controlling the temperature, the rotating speed, the time and the like of the medium during the test.
In the present embodiment, the apparatus further comprises a mounting plate 300 for assisting the quick mounting of the spin basket to the spin basket lever, the mounting plate 300 being detachably mounted to the upper end of the dissolution part 105;
As shown in fig. 22 to 25, the mounting plate 300 is mounted with the same number of spin basket positioning blocks 400 as the dissolution cups 112 by bolts.
Preferably, the mounting plate 300 includes a plate body 301, mounting holes 302 having the same number as the dissolution cups 112 are formed in the plate body 301 and used for mounting the spin basket positioning block 400, and bolt mounting holes 303 are formed at both sides of the mounting holes;
a positioning and mounting groove 305 matched with the dissolution cup 112 is formed in the lower end surface of the plate 301;
The rear side edges of the plate 301 are respectively provided with engaging lugs 304.
In this embodiment, the basket rod elevating device comprises
A moving plate 107 provided with a number of basket rods 110 equal to the number of dissolution cups 112, for moving up and down the basket rods 110 synchronously, and a basket engaging portion 111 provided at the bottom of the basket rods 110; and
A servo motor 109 fixedly attached to the dissolution rate apparatus body, the servo motor being connected to a screw 108, and a slider 106 vertically movable by rotation of the screw being attached to the screw, the slider 106 being fixedly connected to a moving plate 107.
When the medicine dissolving device is used, a worker firstly places medicine to be detected on the rotary basket, then places the rotary basket on the rotary basket positioning block on the mounting plate, then places the mounting plate with the rotary basket on the water bath box of the dissolving-out instrument, positions the mounting plate through the clamping lugs and the positioning mounting grooves, after the mounting plate is placed, the worker controls the servo motor, drives the screw rod to rotate through rotation of the servo motor, drives the sliding block on the screw rod to slide downwards, drives the moving plate to move downwards, drives the rotary basket rod to move downwards, when the rotary basket buckling part of the rotary basket rod contacts with the rotary basket, the rotary basket is connected with the rotary basket in a buckling mode, and then controls the servo motor to rotate reversely, so that the rotary basket is driven to move upwards, after the rotary basket moves to a certain position, the worker stops moving, then removes the mounting plate, and at the moment, the worker controls the servo motor to rotate reversely, so that the rotary basket with medicine is driven to enter the dissolving-out cup, and the medicine is dissolved in the dissolving cup;
After the medicine is dissolved out, the material enters a circulating sampling device through a feeding pipe, is output through a sample pump pipe, and flows back into a dissolving cup after the radioactivity detection is finished; when the material in the sample pump pipe passes through the feeding channel at a constant speed, the radioactive substance is identified by the detection probe through the detection channel, the detection probe transmits signals to the data processor, the data processor analyzes and processes the signals detected on line to obtain a scale curve of the detection probe, a dissolution curve of the sample and similar factors, and the result is displayed through the display.
Meanwhile, the detection device of the embodiment is movable, the roller with the brake is arranged at the bottom, the handle is arranged, and the detection device is convenient for workers to move to the designated position to detect through the handle, so that the adaptability of the detection device is stronger.
As shown in fig. 3 to 20, in the second embodiment (the difference between this embodiment and the first embodiment is that there is no dissolution tester, and this embodiment is used in a wider range):
A radioactive substance detection apparatus includes an online detector 200 including
The movable shielding frame 201 is provided with an installation platform at the upper end; the bottom of the frame is provided with rollers 206 and the mobile shielding frame is also mounted with handles 204, the mounting platform 201 is provided with a processor placement bracket 206.
The shielding tool 600 is installed on the installation platform, a closed detection channel is arranged in the shielding tool, and a circulating type feeding channel is formed in the bottom of the detection channel;
And the detection probe 700 is detachably arranged on the shielding tool 600 and is positioned at the top end of the detection channel, and the detection probe 700 is connected with the data processor 500 through a data line.
Preferably, the number of the detection probes and the number of the shielding tools are three.
In this embodiment, the movable shielding frame 201 is further provided with a circulating sampling device 205, the inlet and outlet ports of the circulating sampling device 205 are respectively provided with a sample pump pipe, one end of the sample pump pipe is connected with an external material source, and the other end of the sample pump pipe is connected back to the material source after passing through the material supply channel.
In this embodiment, a shielding plate 202 fixed to the movable shielding frame 201 is disposed between the circulating sampling apparatus 205 and the shielding tool 600.
As shown in fig. 14 to 18, in the present embodiment, the sample pump tube mounting portion 20 includes:
A mounting base plate 21 provided with a groove 21-2 for accommodating a sample pump tube; and
A mounting cover plate 22 which is matched with the mounting bottom plate to form a closed feeding channel;
wherein, the detection channel runs through in the installation apron and with feed channel intercommunication.
Preferably, a flaring 21-1 which is in the same straight line with the detection channel is arranged at the end part of the groove 21-2;
Preferably, the front end of the bottom of the mounting base plate 21 is further provided with a protrusion 21-4 for facilitating extraction.
Preferably, the mounting base plate 21 is provided with a limiting groove 21-3 for limiting the mounting cover plate.
Preferably, the mounting portion 10 of the test probe is provided with a radial mounting groove 12 for mounting the mounting portion 20 of the sample pump tube, and the radial length of the mounting portion 20 of the sample pump tube is greater than the radial depth of the mounting groove 12, so that a loading and unloading portion which is located outside the mounting groove 12 and is convenient for drawing the mounting portion 20 of the sample pump tube is formed at the tail portion of the mounting portion 20 of the sample pump tube, and the protruding block 21-4 is located at the loading and unloading portion.
When the device is used, the material to be detected is conveyed through the circulating sampling device, enters the circulating sampling device through the feeding pipe, flows back to the material source through the sample pump pipe, is identified by the detection probe when the material positioned in the sample pump pipe passes through the feeding channel at a constant speed, conveys signals to the data processor, analyzes and processes the signals detected on line through the data processor, obtains a result, and displays the result through the display;
meanwhile, the detection device of the embodiment is movable, the roller with the brake is arranged at the bottom, the handle is arranged, and the detection device is convenient for workers to move to the designated position to detect through the handle, so that the adaptability of the detection device is stronger.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A radioactive material detection apparatus, characterized in that: comprises an on-line detector (200) comprising
A movable shielding frame body (201), the upper end of which is provided with a mounting platform;
The shielding tool (600) is arranged on the mounting platform, a closed detection channel is arranged in the shielding tool, and a circulating type feeding channel is formed in the bottom of the detection channel; and
The detection probe (700) is detachably arranged on the shielding tool (600) and is positioned at the top end of the detection channel, and the detection probe (700) is connected with the data processor (500) through a data line;
A circulating sampling device (205) is further arranged on the movable shielding frame body (201), a sample pump pipe is respectively arranged at an inlet port and an outlet port of the circulating sampling device (205), one end of the sample pump pipe is connected with an external material source, and the other end of the sample pump pipe is connected with the material source in a back way after passing through a material supply channel;
A radioactive substance detection apparatus further includes a dissolution rate meter (100) connected to the circulation sampling device (205) through a pipe, the dissolution rate meter (100) including
A water bath box (105) is internally provided with a plurality of dissolution cups (112) heated by a water bath, and the dissolution cups are connected with a circulating sampling device (205) through a sample pump pipe;
a number of spin basket equal to the number of dissolving-out cups (112), and
The basket rod lifting device is provided with a plurality of rotary basket rods (110), and the rotary basket is arranged on the rotary basket rods (110) in a buckling manner and driven to move up and down by the basket rod lifting device.
2. The radioactive material detection apparatus according to claim 1, wherein: a shielding plate (202) fixed on the movable shielding frame body (201) is arranged between the circulating sampling device (205) and the shielding tool (600).
3. The radioactive material detection apparatus according to claim 1, wherein: the shielding tool (600) comprises
A detection probe mounting part provided with a cavity for accommodating the detection probe;
The sample pump tube mounting part is movably mounted at the bottom end of the detection probe mounting part; and
And the detection channel is used for enabling the center of the probe to be communicated with the top end of the sample pump tube in a straight line.
4. A radioactive material detection apparatus according to claim 3, wherein: the bottom end of the detection probe mounting part can be further provided with a probe collimation shielding piece according to different detection samples, the center of the collimation shielding piece is provided with a detection hole, and the detection hole is coaxial with the detection channel.
5. A radioactive material detection apparatus according to claim 3, wherein: the bottom end of the sample pump tube installation part is provided with a detachable base used for fixing the sample pump tube installation part and the detection probe installation part.
6. A radioactive material detection apparatus according to claim 4 or 5, wherein: the sample pump tube mounting portion includes:
A mounting base plate provided with a recess for accommodating a sample pump tube; and
The mounting cover plate is matched with the mounting bottom plate to form a closed feeding channel;
wherein, the detection channel runs through in the installation apron and with feed channel intercommunication.
7. The radioactive material detection apparatus according to claim 1, wherein: the water bath device further comprises a mounting plate (300) for assisting the quick mounting of the rotating basket on the rotating basket rod, wherein the mounting plate (300) is detachably mounted at the upper end of the water bath box (105);
the mounting plate (300) is provided with the same number of spin basket positioning blocks (400) as the dissolution cups (112) through bolts.
8. The radioactive material detection apparatus according to claim 1, wherein: the basket rod lifting device comprises
A moving plate (107) provided with a plurality of basket rods (110) which are the same as the dissolution cups (112) in number, the basket rods (110) are synchronously moved, and the bottom of the basket rods (110) is a basket fastening part (111); and
And a servo motor (109) fixedly mounted on the dissolution rate meter main body (101), wherein the servo motor is connected with a screw (108), a slide block (106) which moves up and down by the rotation of the screw is mounted on the screw, and the slide block (106) is fixedly connected with the moving plate (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110740796.4A CN113484896B (en) | 2021-07-01 | 2021-07-01 | Radioactive substance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110740796.4A CN113484896B (en) | 2021-07-01 | 2021-07-01 | Radioactive substance detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113484896A CN113484896A (en) | 2021-10-08 |
| CN113484896B true CN113484896B (en) | 2024-05-10 |
Family
ID=77936932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110740796.4A Active CN113484896B (en) | 2021-07-01 | 2021-07-01 | Radioactive substance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113484896B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1566142A (en) * | 1976-06-03 | 1980-04-30 | Kernforschungsz Karlsruhe | Apparatus for montoring pumpable material by activation analysis |
| DE3103176A1 (en) * | 1981-01-30 | 1982-08-26 | Münchener Apparatebau für elektronische Geräte Kimmel GmbH & Co KG, 8011 Hohenbrunn | Continuously functioning aerosol separating device for measuring radioactive aerosol concentrations |
| US4956559A (en) * | 1983-05-27 | 1990-09-11 | Fuji Photo Film Co., Ltd. | Method of detecting radioactive substance |
| CN200982969Y (en) * | 2006-12-15 | 2007-11-28 | 天津市中宝制药有限公司 | Dissolution instrument with transdermal test device |
| JP2010054447A (en) * | 2008-08-29 | 2010-03-11 | Mitsubishi Electric Corp | Device for monitoring radioactive iodine |
| KR20120086078A (en) * | 2011-01-25 | 2012-08-02 | 한국원자력연구원 | Instrumental neutron activation analysis for sorting analysis of nuclide and nuclide sorting analysis method using the triple coincidence counting system |
| CN105676257A (en) * | 2016-02-02 | 2016-06-15 | 中国人民解放军第二军医大学 | Small-size movable-type solid and liquid material radioactive activity detection device and method |
| KR20170044281A (en) * | 2015-10-15 | 2017-04-25 | 한국원자력연구원 | Automatic measuring device of gamma ray |
| CN108732607A (en) * | 2018-04-28 | 2018-11-02 | 中国工程物理研究院核物理与化学研究所 | A kind of mobile radioactive liquid pollution on-line measurement system |
| CN108802069A (en) * | 2017-05-05 | 2018-11-13 | 中国辐射防护研究院 | The detection device of shielding material shielding properties |
| CN109298441A (en) * | 2016-10-26 | 2019-02-01 | 中国疾病预防控制中心辐射防护与核安全医学所 | A kind of detection device suitable for radioactive sample |
| KR20200014208A (en) * | 2018-07-31 | 2020-02-10 | 한국원자력연구원 | Radionuclide Analyzing System |
| CN111983086A (en) * | 2020-08-24 | 2020-11-24 | 浙江圣兆药物科技股份有限公司 | Dissolution instrument for sustained-release medicine of suspension and application |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6078463B2 (en) * | 2010-04-09 | 2017-02-08 | バイエル・ヘルスケア・エルエルシーＢａｙｅｒ ＨｅａｌｔｈＣａｒｅ ＬＬＣ | Radiopharmaceutical concentration measurement system and method |
| JP2017528509A (en) * | 2014-06-06 | 2017-09-28 | ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア | Self-shielding benchtop chemistry system |
| DE102017114835B3 (en) * | 2017-07-04 | 2018-10-31 | Framatome Gmbh | Analysis device for detecting fission products by measuring a radioactivity and analysis system |
-
2021
- 2021-07-01 CN CN202110740796.4A patent/CN113484896B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1566142A (en) * | 1976-06-03 | 1980-04-30 | Kernforschungsz Karlsruhe | Apparatus for montoring pumpable material by activation analysis |
| DE3103176A1 (en) * | 1981-01-30 | 1982-08-26 | Münchener Apparatebau für elektronische Geräte Kimmel GmbH & Co KG, 8011 Hohenbrunn | Continuously functioning aerosol separating device for measuring radioactive aerosol concentrations |
| US4956559A (en) * | 1983-05-27 | 1990-09-11 | Fuji Photo Film Co., Ltd. | Method of detecting radioactive substance |
| CN200982969Y (en) * | 2006-12-15 | 2007-11-28 | 天津市中宝制药有限公司 | Dissolution instrument with transdermal test device |
| JP2010054447A (en) * | 2008-08-29 | 2010-03-11 | Mitsubishi Electric Corp | Device for monitoring radioactive iodine |
| KR20120086078A (en) * | 2011-01-25 | 2012-08-02 | 한국원자력연구원 | Instrumental neutron activation analysis for sorting analysis of nuclide and nuclide sorting analysis method using the triple coincidence counting system |
| KR20170044281A (en) * | 2015-10-15 | 2017-04-25 | 한국원자력연구원 | Automatic measuring device of gamma ray |
| CN105676257A (en) * | 2016-02-02 | 2016-06-15 | 中国人民解放军第二军医大学 | Small-size movable-type solid and liquid material radioactive activity detection device and method |
| CN109298441A (en) * | 2016-10-26 | 2019-02-01 | 中国疾病预防控制中心辐射防护与核安全医学所 | A kind of detection device suitable for radioactive sample |
| CN108802069A (en) * | 2017-05-05 | 2018-11-13 | 中国辐射防护研究院 | The detection device of shielding material shielding properties |
| CN108732607A (en) * | 2018-04-28 | 2018-11-02 | 中国工程物理研究院核物理与化学研究所 | A kind of mobile radioactive liquid pollution on-line measurement system |
| KR20200014208A (en) * | 2018-07-31 | 2020-02-10 | 한국원자력연구원 | Radionuclide Analyzing System |
| CN111983086A (en) * | 2020-08-24 | 2020-11-24 | 浙江圣兆药物科技股份有限公司 | Dissolution instrument for sustained-release medicine of suspension and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113484896A (en) | 2021-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20170082616A1 (en) | Fully-automatic immunofluorescence quantitative analysis apparatus and detection method | |
| CA1292627C (en) | Luminometer construction | |
| KR102649442B1 (en) | Radioisotope delivery system with multiple detectors for detecting gamma and beta emissions | |
| WO2007004763A1 (en) | Automatic radioactivity analyzer of mixed liquid beta emitter | |
| CN116086905B (en) | Tubular mass spectrum pretreatment instrument | |
| CN113484896B (en) | Radioactive substance detection device | |
| CN105738262A (en) | Beta-ray-method three-channel atmospheric particulate monitor | |
| CN111580146B (en) | Radioactivity measuring device and measuring method | |
| GB2299162A (en) | Continuous sample detector calibration with integral standard | |
| CN205506626U (en) | Beta - ray method three channels monitoring of atmospheric particulates equipment | |
| CN216160061U (en) | Five-axis detection device of X-ray stress determinator | |
| CN201177501Y (en) | X fluorescent thickness-measuring spectrometer | |
| KR20120086079A (en) | Auto Sample exchange apparatus of Prompt Gamma Activation Analysis | |
| CN103698315B (en) | A kind of centrifugal mixing phasmon strengthens Raman spectrometer | |
| KR101231861B1 (en) | Instrumental neutron activation analysis for sorting analysis of nuclide and nuclide sorting analysis method using the triple coincidence counting system | |
| CN208383765U (en) | A kind of ray flaw detector auxiliary device | |
| CN220542773U (en) | Color calibration detection device | |
| CN109100372A (en) | Portable composition of ores detection device | |
| JP5072704B2 (en) | Radiation inspection equipment | |
| CN220418510U (en) | Instrument and meter detector | |
| CN214952949U (en) | Organic acid composition detector | |
| KR100668223B1 (en) | Apparatus for measuring a radioactive surface contamination using inorganic fluor-impregnated membranes | |
| CN109917308B (en) | Automatic nixie tube detection equipment with double mechanical arms for detection | |
| SU293498A1 (en) | Apparatus for neutron astivation analysis of substance composition | |
| CN214750855U (en) | Gamma energy spectrum rapid analysis system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |