CN110456407A - A kind of middle low-level waste storage integrated measuring system and method - Google Patents
A kind of middle low-level waste storage integrated measuring system and method Download PDFInfo
- Publication number
- CN110456407A CN110456407A CN201910789806.6A CN201910789806A CN110456407A CN 110456407 A CN110456407 A CN 110456407A CN 201910789806 A CN201910789806 A CN 201910789806A CN 110456407 A CN110456407 A CN 110456407A
- Authority
- CN
- China
- Prior art keywords
- pail
- measurement
- used dressings
- control device
- measurement position
- 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.)
- Granted
Links
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
- G01T1/1603—Measuring radiation intensity with a combination of at least two different types of detector
-
- 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
- G01T3/00—Measuring neutron radiation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
- G01T7/02—Collecting means for receiving or storing samples to be investigated and possibly directly transporting the samples to the measuring arrangement; particularly for investigating radioactive fluids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
- G01T7/08—Means for conveying samples received
- G01T7/10—Means for conveying samples received using turntables
Landscapes
- 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)
- Analytical Chemistry (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention discloses a kind of middle low-level waste storage integrated measuring system and method, system includes control device, carrying platform and the α measuring device being set on carrying platform, γ measuring device and pail for used dressings transport mechanism;α measurement position and γ measurement position are provided on carrying platform;α measuring device is used to carry out α measurement to the pail for used dressings for being located at α measurement position according to the control instruction of control device to obtain α measurement result;Control device is used to control pail for used dressings transport mechanism according to α measurement result and pail for used dressings is sent to γ measurement position from α measurement position or pail for used dressings is taken away integrated measuring system to carry out classification disposition to pail for used dressings;γ measuring device is used to carry out γ measurement to the pail for used dressings for being located at γ measurement position according to the control instruction of control device.Implement the present invention, can be realized the integrated measuring of α and the γ detection of pail for used dressings, improves the measurement of pail for used dressings and the reliability of classification results.
Description
Technical field
The present invention relates to pail for used dressings field of measuring technique, and in particular to a kind of middle low-level waste storage integrated measuring
System and method.
Background technique
Disclosed all products are designed research and development both for nuclear waste a certain kind ray at present, as α is detected
System or γ detection system, temporarily without the equipment that is combined as a whole of two kinds of detection methods of appearance, so current equipment without
Method carries out the integrated measuring of pail for used dressings, time and effort consuming does not have α neutron and γ detection integrated measuring function.
The measurement chamber of barreled α waste neutron detection device is all regular hexagonal prism/square prism at present, internal detector
Distribution shape is also identical as measurement chamber shape, because the detection of neutron has certain dependence of angle, this configuration design and spy
Whole neutrons can not be detected by surveying device distribution mode, will lead to a part of neutron of detector missing inspection, reduce the neutron inspection of detector
Efficiency is surveyed, the accuracy of detection is influenced.
Summary of the invention
It is an object of that present invention to provide a kind of middle low-level waste storage integrated measuring system and method, realize useless
The integrated measuring of α and the γ detection of object bucket improves the measurement of pail for used dressings and the reliability of classification results.
In order to achieve the object of the present invention, the embodiment of the present invention provides a kind of middle low-level waste storage integrated measuring system
System, the system comprises control device, carrying platform and the α measuring devices being set on the carrying platform, γ measurement dress
It sets and pail for used dressings transport mechanism;α measurement position and γ measurement position are provided on the carrying platform;The α measuring device is used
α measurement is carried out to the pail for used dressings for being located at α measurement position in the control instruction according to the control device and obtains α measurement result;Institute
Control device is stated to transmit pail for used dressings from α measurement position for controlling the pail for used dressings transport mechanism according to the α measurement result
The integrated measuring system is taken away to γ measurement position or by pail for used dressings;The γ measuring device is used to be filled according to the control
The control instruction set carries out γ measurement to the pail for used dressings for being located at γ measurement position and obtains γ measurement result.
Preferably, the first elevating mechanism is provided on the carrying platform;There is the α measuring device α to measure shell,
The α measurement shell has a measurement chamber, and the measurement is intracavitary to be provided with α measuring cell, and first elevating mechanism is used for root
The α measuring device is driven to go up and down at the α measurement position according to the control instruction of the control device so that α measurement shell is remote
It is intracavitary that the measurement is covered at from the pail for used dressings or by the pail for used dressings;The α measuring cell is used for covering at the survey
It measures intracavitary pail for used dressings and carries out α measurement.
Preferably, the measurement is intracavitary is provided with the second elevating mechanism, and the α measuring cell is set to second lifting
In mechanism, second elevating mechanism be used to being driven according to the control instruction of the control device α measuring cell lifting with
Carry out the α measurement of different level.
Preferably, the α measuring cell includes multiple neutron detectors, and the multiple neutron detector is located at same level
Face, and the multiple neutron detector is evenly arranged in the inside of the α measurement shell.
Preferably, first sensor is provided at the α measurement position, the first sensor is for detecting pail for used dressings
It is no to enter α measurement position;The detection information that the control device is used to receive the first sensor generates corresponding control and refers to
Order measures pail for used dressings with controlling the α measuring device.
Preferably, the first sensor is photoelectric sensor.
Preferably, the γ measuring device includes several gamma detectors, each gamma detector be correspondingly arranged collimator with
An and radioactive source;Wherein, the radioactive source is for providing gamma-rays, and the collimator is for collimating the gamma-rays, the γ
Detector is used to measure the various energy gamma-rays that radioactive source and pail for used dressings project.
Preferably, the γ measuring device includes two to four gamma detectors, and two to four gamma detectors, which are formed, to be visited
Survey device array.
Preferably, be provided with third elevating mechanism and the 4th elevating mechanism on the carrying platform, the gamma detector and
The collimator is set on the third elevating mechanism, and the radioactive source is set on the 4th elevating mechanism, and described
Three elevating mechanisms are used to drive the gamma detector and the collimator to go up and down according to the control instruction of the control device, described
4th elevating mechanism is used to drive the radioactive source to go up and down according to the control instruction of the control device;Wherein, the γ detection
Device, collimator and radioactive source synchronization lifting are to carry out the gamma-ray measurement of different level.
Preferably, second sensor is provided at the γ measurement position, the second sensor is for detecting pail for used dressings
Whether γ measurement position is entered;The detection information that the control device is used to receive the second sensor generates corresponding control
Instruction measures pail for used dressings with controlling the γ measuring device.
Preferably, the second sensor is photoelectric sensor.
Preferably, the pail for used dressings transport mechanism includes support platform and mobile mechanism, and the mobile mechanism is used for basis
The support platform is moved to γ measurement position, the support platform from α measurement position by the control instruction of the control device
For placing pail for used dressings.
Preferably, pail for used dressings position to be detected is additionally provided on the carrying platform;Is provided in the support platform
Three sensors, the 3rd sensor is for detecting whether be placed with pail for used dressings to be detected in support platform;The control dress
It sets the detection information for receiving the 3rd sensor and generates corresponding control instruction;The mobile mechanism is used for according to
Pail for used dressings in support platform is sent to α measurement position from pail for used dressings position to be detected by the control instruction of control device.
Preferably, the 3rd sensor is gravity sensor.
Preferably, rotating mechanism is provided in the support platform, the rotating mechanism is used to carry out pail for used dressings α measurement
When, pail for used dressings rotation is driven according to the control instruction of the control device.
In order to achieve the object of the present invention, the embodiment of the present invention provides a kind of middle low-level waste storage integrated measuring side
Method is realized based on the middle low-level waste storage integrated measuring system;Described method includes following steps:
When pail for used dressings is located at α measurement position, control device generates the first control instruction;
α measuring device carries out α measurement to the pail for used dressings for being located at α measurement position according to first control instruction and obtains α survey
Measure result;
Control device receives and generates corresponding control instruction according to the α measurement result;If pail for used dressings is α waste, control
Device processed generates the second control instruction, and pail for used dressings is taken away the one according to second control instruction by pail for used dressings transport mechanism
Change measuring system;If pail for used dressings is not α waste, control device generates third control instruction, and pail for used dressings transport mechanism is according to institute
It states third control instruction and pail for used dressings is sent to γ measurement position;
When pail for used dressings is located at γ measurement position, control device generates the 4th control instruction;
γ measuring device carries out γ measurement to the pail for used dressings for being located at α measurement position according to the 4th control instruction and obtains γ
Measurement result.
The embodiment of the present invention at least has the following beneficial effects:
By by the nuclear waste α detection system of middle low-level waste bucket and γ detection system becoming one measuring system,
The automatic continuous measurement standard process of the radioactivity of low-level waste bucket in realization;Pail for used dressings first carries out α neutron detection, if being confirmed as
α nuclear waste, the then carrying platform for taking away integrated measuring system directly carry out waste separation disposition;If non-alpha waste, then carry out
γ detection;Innovatively α and the γ detection function of middle low-level waste bucket are combined together, low-level waste bucket integration in realization
Measurement.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of middle low-level waste storage integrated measuring system schematic described in the embodiment of the present invention one.
Fig. 2 is a kind of middle low-level waste storage integrated measuring system schematic described in the embodiment of the present invention two.
Fig. 3 is γ measuring device structural schematic diagram described in the embodiment of the present invention two.
Fig. 4 is a kind of middle low-level waste storage integral measurement method flow chart described in the embodiment of the present invention three.
Appended drawing reference:
Control device 1;α measuring device 2, neutron detector 21, the first elevating mechanism 22, the second elevating mechanism 23;γ is surveyed
Measure device 3, gamma detector 31, collimator 32, radioactive source 33, third elevating mechanism 34, the 4th elevating mechanism 35;Pail for used dressings transmission
Mechanism 4, mobile mechanism 41, rotating mechanism 42;First sensor 5, second sensor 6,3rd sensor 7.
Specific embodiment
Various exemplary embodiments, feature and the aspect of the disclosure are described in detail below with reference to attached drawing.It is identical in attached drawing
Appended drawing reference indicate element functionally identical or similar.Although the various aspects of embodiment are shown in the attached drawings, remove
It non-specifically points out, it is not necessary to attached drawing drawn to scale.
In addition, in order to better illustrate the present invention, numerous details is given in specific embodiment below.This
Field is it will be appreciated by the skilled person that without certain details, the present invention equally be can be implemented.In some instances, for this
Means known to the technical staff of field, element and circuit are not described in detail, in order to highlight purport of the invention.
As shown in Figure 1, the embodiment of the present invention one provides a kind of middle low-level waste storage integrated measuring system, it is described
System includes control device 1, carrying platform and the α measuring device 2 being set on the carrying platform, 3 and of γ measuring device
Pail for used dressings transport mechanism 4;α measurement position and γ measurement position are provided on the carrying platform;The α measuring device 2 is used for
α measurement is carried out to the pail for used dressings for being located at α measurement position according to the control instruction of the control device 1 and obtains α measurement result;It is described
Control device 1 is used to control the pail for used dressings transport mechanism 4 according to the α measurement result and transmits pail for used dressings from α measurement position
The integrated measuring system is taken away to γ measurement position or by pail for used dressings;The γ measuring device 3 is used for according to the control
The control instruction of device 1 carries out γ measurement to the pail for used dressings for being located at γ measurement position and obtains γ measurement result.
Specifically, one the method for the present embodiment is by examining the nuclear waste α detection system of middle low-level waste bucket and γ
Examining system becoming one measuring system, the automatic continuous measurement standard process of radioactivity of low-level waste bucket in realization;This
In embodiment, pail for used dressings first carries out α detection, when pail for used dressings is accurately placed in the α measurement position on carrying platform, control device 1
It controls the α measuring device 2 and executes command adapted thereto to obtain α measurement knot to the pail for used dressings progress α measurement for being located at α measurement position
Fruit, if it is α nuclear waste that α measurement result, which is confirmation pail for used dressings, control device 1 controls pail for used dressings transport mechanism 4 and executes corresponding finger
It enables so that pail for used dressings is directly carried out waste separation disposition from the carrying platform that α measurement position takes away integrated measuring system;If
Non-alpha waste, then control device 1 controls pail for used dressings transport mechanism 4 and executes command adapted thereto so that pail for used dressings to be sent to from α measurement position
γ measurement position;When pail for used dressings is accurately placed in the γ measurement position on carrying platform, control device 1 controls the γ measurement dress
It sets 3 execution command adapted theretos and obtains γ measurement result to carry out γ measurement to the pail for used dressings for being located at γ measurement position, surveyed terminating γ
After amount, control device 1 controls pail for used dressings transport mechanism 4 and executes command adapted thereto so that pail for used dressings is taken away one from γ measurement position
The carrying platform for changing measuring system carries out waste separation disposition;The present embodiment method innovation by the α of middle low-level waste bucket with
γ detection function is combined together, low-level waste bucket integrated measuring in realization.
As shown in Fig. 2, second embodiment of the present invention provides low-level waste storage integrated measuring system in another kind, it is real
Apply a kind of preferred embodiment that system described in example two is system described in the embodiment one.
In example 2, the first elevating mechanism 22 is provided on the carrying platform;The α measuring device 2 has a α
Shell is measured, the α measurement shell has a measurement chamber, and the measurement is intracavitary to be provided with α measuring cell, first elevator
Structure 22 be used to drive the α measuring device 2 to go up and down at the α measurement position according to the control instruction of the control device 1 with
Make α measurement shell far from the pail for used dressings or by the pail for used dressings cover at it is described measurement it is intracavitary;The α measuring cell for pair
It covers at the intracavitary pail for used dressings of the measurement and carries out α measurement.
Wherein, the measurement is intracavitary is provided with the second elevating mechanism 23, and the α measuring cell is set to second lifting
In mechanism 23, second elevating mechanism 23 is used to drive the α measuring cell liter according to the control instruction of the control device 1
Drop is measured with the α for carrying out different level.
Wherein, the α measuring cell includes multiple neutron detectors 21, and the multiple neutron detector 21 is located at same water
Plane, and the multiple neutron detector 21 is evenly arranged in the inside of the α measurement shell.
Wherein, first sensor 5 is provided at the α measurement position, the first sensor 5 is preferably but not limited to as light
Electric transducer, such as cross laser sensor;The first sensor 5 is for detecting whether pail for used dressings enters α measurement position;Institute
It states control device 1 and generates corresponding control instruction for receiving the detection information of the first sensor 5 to control the α measurement
Device 2 measures pail for used dressings.
Specifically, the measurement chamber is preferably but not limited to using circular design, and use high density polyethylene (HDPE), graphite etc.
Material is fabricated, and outermost layer is high density polyethylene (HDPE), the neutron in slowing down environment is played, to reduce environmental neutron background pair
The influence of measurement result;Its interior hdpe layer embeds neutron detector 21, measures intracavitary pail for used dressings transmitting to slowing down
Neutron, reach thermal neutron energy level, so that neutron detector 21 preferably captures neutron, guarantee the standard of detection result
True property;Using graphite as the neutron reflector of manufacture material be embedded in outer hdpe layer and interior hdpe layer it
Between, the neutron having an impact in environment to measurement result can be not only blocked, but also can prevent during the pail for used dressings that may be leaked scattered
Son improves neutron detection efficiency, ensure that the accuracy of detection result;Detector circular distribution is poly- in measuring intracavitary layer high density
In ethylene, it is ensured that be all 90 ° when no matter neutron is from which direction incidence detector crystal, improve the neutron detection effect of detector
Rate, to guarantee the accuracy of Effect on Detecting;The empty slot for detector motion is distributed in interior hdpe layer, by described
Second elevating mechanism 23 can realize choosing at random for detection level, meet the requirement of the different level of neutron detection.
Wherein, as shown in figure 3, the γ measuring device 3 includes several gamma detectors 31, each correspondence of gamma detector 31 is set
Set collimator 32 and a radioactive source 33;Wherein, the radioactive source 33 is for providing gamma-rays, and the collimator 32 is for standard
The straight gamma-rays, the gamma detector 31 are used to measure the various energy gamma-rays that radioactive source 33 and pail for used dressings project.
Wherein, the γ measuring device 3 includes two to four gamma detectors 31, the formation of two to four gamma detectors 31
Detector array.It is preferably three gamma detectors 31 in the present embodiment, accordingly, collimator 32 and radioactive source 33 are three.
Wherein, third elevating mechanism 34 and the 4th elevating mechanism 35, the gamma detector are provided on the carrying platform
31 and the collimator 32 be set on the third elevating mechanism 34, the radioactive source 33 is set to the 4th elevating mechanism
On 35, the third elevating mechanism 34 is used to drive the gamma detector 31 and institute according to the control instruction of the control device 1
The lifting of collimator 32 is stated, the 4th elevating mechanism 35 is used to drive the radiation according to the control instruction of the control device 1
Source 33 is gone up and down;Wherein, the gamma detector 31, collimator 32 and 33 synchronization lifting of radioactive source are to carry out the γ of different level
Radionetric survey.
Wherein, be provided with second sensor 6 at the γ measurement position, the second sensor 6 be preferably but not limited to for
Photoelectric sensor, such as cross laser sensor;The second sensor 6 is for detecting whether pail for used dressings enters γ measurement position
It sets;It is described to control that the detection information that the control device 1 is used to receive the second sensor 6 generates corresponding control instruction
γ measuring device 3 measures pail for used dressings.
Specifically, γ measuring device 3 includes the detector of 3 formation detector arrays and is placed in detection in the present embodiment
It is used as the collimator 32 of collimated γ-ray before device;Detector and collimator 32 form exploring block array and are placed in detector third liter
, it can be achieved that the vertical lift of exploring block array on descending mechanism 34, with reach can be carried out according to measurement demand detection level from
By selecting.
In the present embodiment gamma detector 31 selection have γ high sensitivity, energy resolution it is good, to neutron and with a particle
Sensitivity is low and the radiation resistance detector of strong antijamming capability;The design relation of collimator 32 to measurement result accuracy,
It must guarantee the time of measuring that can reduce entire measuring system and the quality for improving measurement image, therefore, collimator 32 selects γ
Radiation absorption is lost less, gamma ray shielding and scattering power are strong, the collimator of high mechanical strength, radiation resistance and strong antijamming capability
32.31 system of gamma detector is used to measure the various energy gamma-rays that radioactive source 33 and pail for used dressings project, and by ray energy
It is converted to electrical signal data to export to control device 1, the data for carrying out pail for used dressings γ measurement are analyzed and processing.
Wherein, radioactive source 33 is the important component of γ measuring device 3, and outfit three is identical and forms 33 gusts of radioactive source
The radioactive source 33 of column is installed on the 4th elevating mechanism 35, and each 33 ray exit end of radioactive source is fitted with for carrying out γ
33 collimator 32 of radioactive source of ray collimation, for providing the gamma-rays by collimation in the projection measurement of pail for used dressings.
Wherein, the pail for used dressings transport mechanism 4 includes support platform and mobile mechanism 41, and the mobile mechanism 41 is used for root
The support platform is moved to γ measurement position from α measurement position according to the control instruction of the control device 1, the support is flat
Platform is for placing pail for used dressings.
Wherein, pail for used dressings position to be detected is additionally provided on the carrying platform;Third is provided in the support platform
Sensor 7, the 3rd sensor 7 are preferably but not limited to as gravity sensor;The 3rd sensor 7 is flat for detecting support
Whether to be detected pail for used dressings is placed on platform;The detection information that the control device 1 is used to receive the 3rd sensor 7 is raw
At corresponding control instruction;The mobile mechanism 41 is used for will be in support platform according to the control instruction of the control device 1
Pail for used dressings is sent to α measurement position from pail for used dressings position to be detected.
Wherein, rotating mechanism 42 is provided in the support platform, the rotating mechanism 42 is used to carry out pail for used dressings α survey
When amount, pail for used dressings rotation is driven according to the control instruction of the control device 1.Wherein, the rotating mechanism 42 is preferred but unlimited
In using rotating electric machine, the rotating electric machine is electrically connected with the control device 1, is received and is revolved according to the instruction of control device 1
Turn to drive the supporting table rotation.
Wherein, the integrated measuring system provides intelligentized control method mode and MANUAL CONTROL mode, the two can be according to need
It asks and switches over;For protection equipment, staff, ecological environment etc., which has emergency stop function, in urgent feelings
Under condition, emergency shutdown instruction can be performed.
Wherein, the mobile mechanism 41 is preferably but not limited to realize using mobile motor, moving guide rail and supporting table,
The mobile motor is electrically connected with the control device 1, receive and the supporting table according to the order-driven of control device 1 along
The moving guide rail is mobile, in the supporting table setting and the moving guide rail.
Wherein, first elevating mechanism 22, the second elevating mechanism 23, third elevating mechanism 34 and the 4th elevating mechanism
35 be the vertical lifting mechanism relative to the carrying platform, be preferably but not limited to using lifting motor, riser guide and
Lifting slider realizes that the lifting motor is electrically connected with the control device 1, receives and is simultaneously driven according to the instruction of control device 1
It moves the lifting slider to go up and down along the riser guide, in the lifting slider setting and the riser guide.Specifically, will
To being set to the lifting that corresponding component can be realized on the lifting slider in requisition for the component gone up and down.
Specifically, System Working Principle described in the present embodiment two is described in detail below:
The initial position of the support platform is located at pail for used dressings position to be detected, when progress pail for used dressings detects automatically,
Pail for used dressings to be detected is placed in the support platform;At this point, the support weight of the gravity sensor detection support platform
Information is measured, and the supported weight information is sent to the control device, the control device is believed according to the supported weight
Breath is judged, when supported weight is greater than preset threshold, then determines to placed pail for used dressings in support platform.Meanwhile according to branch
Support weight information generates corresponding control instruction and transmits the support platform for carrying pail for used dressings for controlling the mobile mechanism
To α measurement position.
Wherein, whether have pail for used dressings entrance in the first sensor real-time detection α measurement position, the control device with
The first sensor communication connection real-time reception and can handle the detection information of first sensor, it is determined whether have waste
Bucket is accurately placed in the α measurement position on carrying platform.Further, it is based on cross laser sensor (for realizing alignment), when
The control device also according to the detection information of first sensor generate corresponding control instruction control the mobile mechanism it is mobile with
The position of pail for used dressings is adjusted, so that its pail for used dressings is accurately placed in the α measurement position on carrying platform.
Wherein, when the pail for used dressings is accurately placed in the α measurement position on carrying platform, the control device is according to first
The detection information of sensor generates corresponding control instruction for controlling the first elevating mechanism decline, so that α measures shell
It is provide with the pail for used dressings completely, the structure being engaged with α measurement shell specifically, in support platform is provided with, so that waste
Bucket can cover at the support platform and α measurement shell is engaged in the closed cavity to be formed.When the support platform and
The α measurement shell occlusion, then elevating mechanism stops decline, at this point, control device generates corresponding control instruction control rotation
Mechanism rotation, so that the pail for used dressings be driven to rotate;And corresponding control instruction control α measuring device is generated to be detected useless
Object bucket carries out α measurement.Wherein, for the control that the control of α measuring device includes to the second elevating mechanism and α measuring cell, tool
Body includes generating a control instruction the second elevating mechanism of control to carry out the lifting drive α measuring cell lifting, and generate another
Control instruction controls the α measuring cell and obtains α measurement result, the α measuring cell to the progress α measurement of pail for used dressings different level
α measurement feedback is analyzed and saved to the control device, at this point, the control device generates control instruction control
First elevating mechanism rises and rotating mechanism stops rotating, so that α measurement shell returns to initial position, far from described useless
Object bucket.
Wherein, the control device is handled and is analyzed to neutron counting, calculates activity according to obtained measurement data,
It distinguishes nucleic type, in conjunction with obtained pail for used dressings weight information, calculates total activity, show nucleic information contained by pail for used dressings, distinguish
Whether the pail for used dressings is not α waste.The control device is based on α measurement data, carries out pail for used dressings neutron flux temporal-spatial evolution rule
The research of rule is carried out process of refinement to pail for used dressings Neutron flux distribution, it is logical to be established pail for used dressings neutron using harmonic expansion theory
Three-dimensional space-time evolution model is measured, on this basis, develops pail for used dressings neutron flux monitoring interactive software and matched data
Library.
The control device generates corresponding control instruction according to α measurement result to perform the next step process.
Wherein, if it is α nuclear waste that α measurement result, which is confirmation pail for used dressings, control device generates control instruction control movement
Mechanism executes command adapted thereto will carry the support platform of pail for used dressings from α measurement position and take away the carrying of integrated measuring system
Platform directly carries out waste separation disposition;
Wherein, if non-alpha waste, then control device generates control instruction control mobile mechanism and executes command adapted thereto will hold
The support platform for being loaded with pail for used dressings is sent to γ measurement position from α measurement position to carry out subsequent γ measurement.
Wherein, whether there are pail for used dressings entrance, the control device in the second sensor real-time detection γ measurement position
It is communicated to connect with the second sensor, real-time reception and the detection information of second sensor can be handled, it is determined whether have useless
Object bucket is accurately placed in the γ measurement position on carrying platform.Further, it is based on cross laser sensor (for realizing alignment),
Mobile mechanism's movement is controlled when the control device generates corresponding control instruction also according to the detection information of second sensor
It is adjusted with the position to pail for used dressings, so that its pail for used dressings is accurately placed in the γ measurement position on carrying platform.
Wherein, when the pail for used dressings is accurately placed in the γ measurement position on carrying platform, the control device is according to
The corresponding control instruction of detection information generation of two sensors is used to control the third elevating mechanism and the 4th elevating mechanism is same
Step lifting, to drive the gamma detector, collimator and radioactive source synchronization lifting to carry out the survey of the gamma-rays of different level
γ measurement result is measured, γ measurement feedback is analyzed and saved to the control device by the gamma detector.
Wherein, γ measuring device has two kinds of measurement methods of SGS and TGS, can be switched over according to actual measurement demand.
The control device generates corresponding control instruction according to γ measurement result to perform the next step process.
Wherein, the control device generates control instruction and controls the mobile mechanism and execute and accordingly refers to according to γ measurement result
It enables so that pail for used dressings is carried out waste separation disposition from the carrying platform that γ measurement position takes away integrated measuring system.At this point, knot
The measurement of Shu Dangqian pail for used dressings, control device generate the corresponding control instruction control mobile mechanism and move so that the support
Platform returns to pail for used dressings position to be detected, into the measurement classification work of low-level waste in lower pail for used dressings.
As shown in figure 4, the embodiment of the present invention three provides a kind of middle low-level waste storage integral measurement method, base
It is realized in the middle low-level waste storage integrated measuring system of embodiment one or two.
Described method includes following steps for the present embodiment three:
Step S11, when pail for used dressings is located at α measurement position, control device generates the first control instruction;
Step S12, α measuring device carries out α measurement to the pail for used dressings for being located at α measurement position according to first control instruction
Obtain α measurement result;
Step S13, control device receives and generates corresponding control instruction according to the α measurement result;If pail for used dressings is α useless
Object, then control device generates the second control instruction, and pail for used dressings transport mechanism takes away pail for used dressings according to second control instruction
The integrated measuring system;If pail for used dressings is not α waste, control device generates third control instruction, pail for used dressings conveyer
Pail for used dressings is sent to γ measurement position according to the third control instruction by structure;
Step S14, when pail for used dressings is located at γ measurement position, control device generates the 4th control instruction;
Step S15, γ measuring device carries out γ survey to the pail for used dressings for being located at α measurement position according to the 4th control instruction
Measure γ measurement result.
Specifically, the initial position of support platform described in the present embodiment method is located at pail for used dressings location to be checked
It sets, when progress pail for used dressings detects automatically, pail for used dressings to be detected is placed in the support platform;At this point, the gravity passes
Sensor detects the supported weight information of support platform, and the supported weight information is sent to the control device, the control
Device processed is judged according to the supported weight information, when supported weight is greater than preset threshold, is then determined in support platform
It placed pail for used dressings.Meanwhile corresponding control instruction is generated according to supported weight information and is used to control the mobile mechanism and will hold
The support platform for being loaded with pail for used dressings is sent to α measurement position.
Wherein, whether have pail for used dressings entrance in the first sensor real-time detection α measurement position, the control device with
The first sensor communication connection real-time reception and can handle the detection information of first sensor, it is determined whether have waste
Bucket is accurately placed in the α measurement position on carrying platform.Further, it is based on cross laser sensor (for realizing alignment), when
The control device also according to the detection information of first sensor generate corresponding control instruction control the mobile mechanism it is mobile with
The position of pail for used dressings is adjusted, so that its pail for used dressings is accurately placed in the α measurement position on carrying platform.
Wherein, when the pail for used dressings is accurately placed in the α measurement position on carrying platform, the control device is according to first
The detection information of sensor generates corresponding control instruction for controlling the first elevating mechanism decline, so that α measures shell
It is provide with the pail for used dressings completely, the structure being engaged with α measurement shell specifically, in support platform is provided with, so that waste
Bucket can cover at the support platform and α measurement shell is engaged in the closed cavity to be formed, and prevent neutron from letting out to reach
It leaks and returns to neutron reflection in measurement cavity space chamber, to reach the function for the detection efficient for improving neutron.When the support platform
With α measurement shell occlusion, then elevating mechanism stops decline, at this point, control device generates corresponding control instruction control rotation
Rotation mechanism rotation is issued preferably to measure by nuclear waste in pail for used dressings so that the pail for used dressings be driven at the uniform velocity to rotate
Neutron signal;And it generates corresponding control instruction control α measuring device and α measurement is carried out to pail for used dressings to be detected.Wherein, for
The control of α measuring device includes the control to the second elevating mechanism and α measuring cell, specifically includes and generates control instruction control
Second elevating mechanism carries out lifting and drives the α measuring cell lifting, and generates another control instruction and control the α measuring cell
α measurement is carried out to pail for used dressings different level and obtains α measurement result, the α measuring cell gives α measurement feedback to the control
Device, at this point, the control device generates, control instruction controls the first elevating mechanism rising and rotating mechanism stops rotation
Turn, so that α measurement shell returns to initial position, far from the pail for used dressings.
The control device generates corresponding control instruction according to α measurement result to perform the next step process.
Wherein, if it is α nuclear waste that α measurement result, which is confirmation pail for used dressings, control device generates control instruction control movement
Mechanism executes command adapted thereto will carry the support platform of pail for used dressings from α measurement position and take away the carrying of integrated measuring system
Platform directly carries out waste separation disposition;
Wherein, if non-alpha waste, then control device generates control instruction control mobile mechanism and executes command adapted thereto will hold
The support platform for being loaded with pail for used dressings is sent to γ measurement position from α measurement position to carry out subsequent γ measurement.
Wherein, whether there are pail for used dressings entrance, the control device in the second sensor real-time detection γ measurement position
It is communicated to connect with the second sensor, real-time reception and the detection information of second sensor can be handled, it is determined whether have useless
Object bucket is accurately placed in the γ measurement position on carrying platform.Further, it is based on cross laser sensor (for realizing alignment),
Mobile mechanism's movement is controlled when the control device generates corresponding control instruction also according to the detection information of second sensor
It is adjusted with the position to pail for used dressings, so that its pail for used dressings is accurately placed in the γ measurement position on carrying platform.
Wherein, when the pail for used dressings is accurately placed in the γ measurement position on carrying platform, the control device is according to
The corresponding control instruction of detection information generation of two sensors is used to control the third elevating mechanism and the 4th elevating mechanism is same
Step lifting, to drive the gamma detector, collimator and radioactive source synchronization lifting to carry out the survey of the gamma-rays of different level
γ measurement result is measured, the gamma detector gives γ measurement feedback to the control device.
The control device generates corresponding control instruction according to γ measurement result to perform the next step process.
Wherein, the control device generates control instruction and controls the mobile mechanism and execute and accordingly refers to according to γ measurement result
It enables so that pail for used dressings is carried out waste separation disposition from the carrying platform that γ measurement position takes away integrated measuring system.At this point, knot
The measurement of Shu Dangqian pail for used dressings, control device generate the corresponding control instruction control mobile mechanism and move so that the support
Platform returns to pail for used dressings position to be detected, into the measurement classification work of low-level waste in lower pail for used dressings.
It should be noted that three the method for the present embodiment is corresponding with the system of embodiment one or two, therefore related sheet
The other parts of three the method for embodiment can be obtained refering to the system of embodiment one or two, and details are not described herein again.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.The selection of term used herein, purport
In principle, the practical application or to the technological improvement in market for best explaining each embodiment, or make the art its
Its those of ordinary skill can understand each embodiment disclosed herein.
Claims (16)
1. a kind of middle low-level waste storage integrated measuring system, which is characterized in that the system comprises control device, hold
Carrying platform and the α measuring device being set on the carrying platform, γ measuring device and pail for used dressings transport mechanism;The carrying
α measurement position and γ measurement position are provided on platform;The α measuring device is used for the control instruction according to the control device
α measurement is carried out to the pail for used dressings for being located at α measurement position and obtains α measurement result;The control device is used to be measured according to the α and tie
Fruit controls the pail for used dressings transport mechanism and pail for used dressings is sent to γ measurement position from α measurement position or is taken away pail for used dressings described
Integrated measuring system;The γ measuring device is used for the control instruction according to the control device to positioned at γ measurement position
Pail for used dressings carries out γ measurement and obtains γ measurement result.
2. a kind of middle low-level waste storage integrated measuring system as described in claim 1, which is characterized in that described to hold
The first elevating mechanism is provided on carrying platform;There is the α measuring device α to measure shell, and the α measurement shell has one to survey
Chamber is measured, the measurement is intracavitary to be provided with α measuring cell, and first elevating mechanism according to the control of the control device for referring to
It enables and drives the α measuring device to go up and down at the α measurement position so that α measures shell far from the pail for used dressings or described will give up
It is intracavitary that object bucket covers at the measurement;The α measuring cell is used to carry out α survey to covering at the intracavitary pail for used dressings of the measurement
Amount.
3. a kind of middle low-level waste storage integrated measuring system as claimed in claim 2, which is characterized in that the survey
Measure it is intracavitary be provided with the second elevating mechanism, the α measuring cell is set on second elevating mechanism, second elevator
Structure is used to that the α measuring cell lifting to be driven to measure with the α for carrying out different level according to the control instruction of the control device.
4. a kind of middle low-level waste storage integrated measuring system as claimed in claim 2 or claim 3, which is characterized in that institute
Stating α measuring cell includes multiple neutron detectors, and the multiple neutron detector is located at same level, and the multiple neutron
Detector is evenly arranged in the inside of the α measurement shell.
5. a kind of middle low-level waste storage integrated measuring system as described in claim 1, which is characterized in that the α
First sensor is provided at measurement position, the first sensor is for detecting whether pail for used dressings enters α measurement position;It is described
The detection information that control device is used to receive the first sensor generates corresponding control instruction to control the α measuring device
Pail for used dressings is measured.
6. a kind of middle low-level waste storage integrated measuring system as claimed in claim 5, which is characterized in that described the
One sensor is photoelectric sensor.
7. a kind of middle low-level waste storage integrated measuring system as described in claim 1, which is characterized in that the γ
Measuring device includes several gamma detectors, and each gamma detector is correspondingly arranged collimator and a radioactive source;Wherein, described to put
Source is penetrated for providing gamma-rays, the collimator for collimating the gamma-rays, the gamma detector for measure radioactive source and
The various energy gamma-rays that pail for used dressings projects.
8. a kind of middle low-level waste storage integrated measuring system as claimed in claim 7, which is characterized in that the γ
Measuring device includes two to four gamma detectors, and two to four gamma detectors form detector array.
9. a kind of middle low-level waste storage integrated measuring system as claimed in claim 7, which is characterized in that described to hold
Third elevating mechanism and the 4th elevating mechanism are provided on carrying platform, the gamma detector and the collimator are set to described
On three elevating mechanisms, the radioactive source is set on the 4th elevating mechanism, and the third elevating mechanism is used for according to
The control instruction of control device drives the gamma detector and collimator lifting, and the 4th elevating mechanism is used for according to institute
The control instruction for stating control device drives the radioactive source lifting;Wherein, the gamma detector, collimator and radioactive source are same
Step is gone up and down to carry out the gamma-ray measurement of different level.
10. a kind of middle low-level waste storage integrated measuring system as described in claim 1, which is characterized in that described
Second sensor is provided at γ measurement position, the second sensor is for detecting whether pail for used dressings enters γ measurement position;
The detection information that the control device is used to receive the second sensor generates corresponding control instruction and is surveyed with controlling the γ
Amount device measures pail for used dressings.
11. a kind of middle low-level waste storage integrated measuring system as claimed in claim 10, which is characterized in that described
Second sensor is photoelectric sensor.
12. a kind of middle low-level waste storage integrated measuring system as described in claim 1, which is characterized in that described
Pail for used dressings transport mechanism includes support platform and mobile mechanism, and the mobile mechanism according to the control of the control device for referring to
It enables and the support platform is moved to γ measurement position from α measurement position, the support platform is for placing pail for used dressings.
13. a kind of middle low-level waste storage integrated measuring system as claimed in claim 12, which is characterized in that described
Pail for used dressings position to be detected is additionally provided on carrying platform;3rd sensor is provided in the support platform, the third passes
Sensor is for detecting whether be placed with pail for used dressings to be detected in support platform;The control device is passed for receiving the third
The detection information of sensor generates corresponding control instruction;The mobile mechanism is used for will according to the control instruction of the control device
Pail for used dressings in support platform is sent to α measurement position from pail for used dressings position to be detected.
14. a kind of middle low-level waste storage integrated measuring system as claimed in claim 12, which is characterized in that described
3rd sensor is gravity sensor.
15. a kind of middle low-level waste storage integrated measuring system as claimed in claim 15, which is characterized in that described
Rotating mechanism is provided in support platform, the rotating mechanism is used for when carrying out pail for used dressings α measurement, according to the control device
Control instruction driving pail for used dressings rotation.
Low-level waste storage integral measurement method in 16., based on as claim 1-15 it is described in any item in it is low
Put the realization of waste storage integrated measuring system;It is characterized in that, described method includes following steps:
When pail for used dressings is located at α measurement position, control device generates the first control instruction;
α measuring device carries out α measurement to the pail for used dressings for being located at α measurement position according to first control instruction and obtains α measurement knot
Fruit;
Control device receives and generates corresponding control instruction according to the α measurement result;If pail for used dressings is α waste, dress is controlled
It sets and generates the second control instruction, pail for used dressings is taken away the integrated test according to second control instruction by pail for used dressings transport mechanism
Amount system;If pail for used dressings is not α waste, control device generates third control instruction, and pail for used dressings transport mechanism is according to described the
Pail for used dressings is sent to γ measurement position by three control instructions;
When pail for used dressings is located at γ measurement position, control device generates the 4th control instruction;
γ measuring device carries out γ measurement to the pail for used dressings for being located at α measurement position according to the 4th control instruction and obtains γ measurement
As a result.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910789806.6A CN110456407B (en) | 2019-08-26 | 2019-08-26 | Integrated measurement system and method for medium-low level waste storage and transportation container |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910789806.6A CN110456407B (en) | 2019-08-26 | 2019-08-26 | Integrated measurement system and method for medium-low level waste storage and transportation container |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110456407A true CN110456407A (en) | 2019-11-15 |
CN110456407B CN110456407B (en) | 2021-12-21 |
Family
ID=68489036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910789806.6A Active CN110456407B (en) | 2019-08-26 | 2019-08-26 | Integrated measurement system and method for medium-low level waste storage and transportation container |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110456407B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111580150A (en) * | 2020-04-30 | 2020-08-25 | 中国原子能科学研究院 | Barreled nuclear waste detection system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0208250A2 (en) * | 1985-07-11 | 1987-01-14 | Westinghouse Electric Corporation | Characterization system for radioactive wastes |
US20130039453A1 (en) * | 2000-03-28 | 2013-02-14 | American Science And Engineering, Inc. | Radiation Threat Detection |
JP2013104743A (en) * | 2011-11-11 | 2013-05-30 | Mitsubishi Heavy Ind Ltd | Separating and volume reducing device for radioactive waste |
CN103245681A (en) * | 2013-05-10 | 2013-08-14 | 中国原子能科学研究院 | Neutron gamma combined measuring equipment |
CN107907901A (en) * | 2017-11-06 | 2018-04-13 | 中广核工程有限公司 | The measuring method and system of nuclear power station neutron, gamma spectra and dosage |
CN108919331A (en) * | 2018-07-03 | 2018-11-30 | 上海交通大学 | A kind of double detector spiral gamma scanning survey method of pair of radioactive waste bucket |
CN109061715A (en) * | 2018-08-08 | 2018-12-21 | 中国原子能科学研究院 | A kind of neutron measurement device of cladding waste continuous scanning |
-
2019
- 2019-08-26 CN CN201910789806.6A patent/CN110456407B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0208250A2 (en) * | 1985-07-11 | 1987-01-14 | Westinghouse Electric Corporation | Characterization system for radioactive wastes |
US20130039453A1 (en) * | 2000-03-28 | 2013-02-14 | American Science And Engineering, Inc. | Radiation Threat Detection |
JP2013104743A (en) * | 2011-11-11 | 2013-05-30 | Mitsubishi Heavy Ind Ltd | Separating and volume reducing device for radioactive waste |
CN103245681A (en) * | 2013-05-10 | 2013-08-14 | 中国原子能科学研究院 | Neutron gamma combined measuring equipment |
CN107907901A (en) * | 2017-11-06 | 2018-04-13 | 中广核工程有限公司 | The measuring method and system of nuclear power station neutron, gamma spectra and dosage |
CN108919331A (en) * | 2018-07-03 | 2018-11-30 | 上海交通大学 | A kind of double detector spiral gamma scanning survey method of pair of radioactive waste bucket |
CN109061715A (en) * | 2018-08-08 | 2018-12-21 | 中国原子能科学研究院 | A kind of neutron measurement device of cladding waste continuous scanning |
Non-Patent Citations (3)
Title |
---|
桶装Α废物分类检测装置研制: "桶装α废物分类检测装置研制", 《中国原子能科学研究院年报》 * |
王效忠 等: "200L桶装α废物检测装置的研制", 《原子能科学技术》 * |
邵婕文 等: "桶装固体废物α/γ分类检测装置研制", 《中国原子能科学研究院年报(英文版)》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111580150A (en) * | 2020-04-30 | 2020-08-25 | 中国原子能科学研究院 | Barreled nuclear waste detection system |
CN111580150B (en) * | 2020-04-30 | 2022-06-28 | 中国原子能科学研究院 | Barreled nuclear waste detection system |
Also Published As
Publication number | Publication date |
---|---|
CN110456407B (en) | 2021-12-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2016203850B2 (en) | Scanning Method and Apparatus | |
CN1779444B (en) | Safety CT inspector for liquid by ray resource | |
CA2808721A1 (en) | Portable system for analyzing and determining elemental composition of rock samples | |
KR101712005B1 (en) | Method and system for in-situ on-line radiation monitoring in water | |
CN103308534B (en) | Chromatographic gamma scanning measurement method | |
JP5997869B1 (en) | Thermal neutron detector, scintillator unit and thermal neutron detection system | |
JPS61204582A (en) | Radioactivity distributing measuring method and instrument | |
JP2015187567A (en) | radiation measuring device | |
JPH0367239B2 (en) | ||
WO2023241468A1 (en) | Online measurement system for radiation source term of pipeline of high-temperature gas-cooled reactor fuel loading and unloading system | |
CN110456407A (en) | A kind of middle low-level waste storage integrated measuring system and method | |
JP5925009B2 (en) | Radiation measurement system | |
CN103776742A (en) | Device and method for jointly measuring particle motion parameter of gas-solid system | |
RU2297623C1 (en) | Method and device for controlling content of containers | |
CN113418943A (en) | Compton back scattering wall hollowing detection system and detection method | |
JPH04269697A (en) | Non-destructive inspection device for reactor fuel rod | |
CN112764078B (en) | Nuclear material measuring device | |
CN220568943U (en) | Corrosion product in-situ gamma spectrum measuring device | |
JPS6076680A (en) | Surface dose rate measuring apparatus | |
KR100959781B1 (en) | Spent fuel auto-verification apparatus for radiation probe system | |
JP2021015019A (en) | Radiation detector | |
CN213482466U (en) | Neutron jar surface radiation dose automatic check out test set | |
CN210427404U (en) | Liquid detection device | |
Kuze | The KASKA project-a Japanese medium-baseline reactor-neutrino oscillation experiment to measure the mixing angle $\theta_ {13} $- | |
CN2811991Y (en) | Mechanical structure of an apparatus for CT safety detection of liquid by using ray source |
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 |