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 PDF

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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
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China
Prior art keywords
pail
measurement
used dressings
control device
measurement position
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CN110456407B (en
Inventor
郭伟
罗海林
李待兴
郑福家
陈双军
张益林
邓森
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China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
CGN Power Co Ltd
China Nuclear Power Institute Co Ltd
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China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
CGN Power Co Ltd
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Priority to CN201910789806.6A priority Critical patent/CN110456407B/en
Publication of CN110456407A publication Critical patent/CN110456407A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16Measuring radiation intensity
    • G01T1/1603Measuring radiation intensity with a combination of at least two different types of detector
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16Measuring radiation intensity
    • G01T1/167Measuring radioactive content of objects, e.g. contamination
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T3/00Measuring neutron radiation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00Details of radiation-measuring instruments
    • G01T7/02Collecting means for receiving or storing samples to be investigated and possibly directly transporting the samples to the measuring arrangement; particularly for investigating radioactive fluids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00Details of radiation-measuring instruments
    • G01T7/08Means for conveying samples received
    • G01T7/10Means for conveying samples received using turntables

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • 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

A kind of middle low-level waste storage integrated measuring system and method
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.
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