CN105665310A - Radioactive solid waste detecting and classifying method and system - Google Patents

Radioactive solid waste detecting and classifying method and system Download PDF

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Publication number
CN105665310A
CN105665310A CN201610140660.9A CN201610140660A CN105665310A CN 105665310 A CN105665310 A CN 105665310A CN 201610140660 A CN201610140660 A CN 201610140660A CN 105665310 A CN105665310 A CN 105665310A
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solid waste
radioactive solid
dosage level
pollution
radioactive
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CN105665310B (en
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彭永新
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Shenzhen Lmtech Automatic Control Equipment Co Ltd
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Shenzhen Lmtech Automatic Control Equipment Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34Sorting according to other particular properties
    • B07C5/346Sorting according to other particular properties according to radioactive properties
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/02Dosimeters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16Measuring radiation intensity
    • G01T1/17Circuit arrangements not adapted to a particular type of detector
    • G01T1/178Circuit arrangements not adapted to a particular type of detector for measuring specific activity in the presence of other radioactive substances, e.g. natural, in the air or in liquids such as rain water
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/36Measuring spectral distribution of X-rays or of nuclear radiation spectrometry
    • G01T1/38Particle discrimination and measurement of relative mass, e.g. by measurement of loss of energy with distance (dE/dx)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C2501/00Sorting according to a characteristic or feature of the articles or material to be sorted
    • B07C2501/0054Sorting of waste or refuse

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

Abstract

The invention belongs to the technical field of solid waste treatment, and discloses a radioactive solid waste detecting and classifying method. The method comprises the steps of: measuring a surface dose level, a pollution nuclide type and a radioactive specific activity of a radioactive solid waste sample; obtaining a fitting curve of the dose level and the radioactive specific activity, building a function relation of the two, and determining a dose limiting value range of the radioactive solid waste in a different-pollution-grade state; measuring a dose level of the radioactive solid waste; and comparing the dose level of the radioactive solid waste with the dose limiting value range thereof in the different-pollution-grade state, judging the pollution grade of the radioactive solid waste, and classifying and collecting the radioactive solid waste. The method compares the dose level of the radioactive solid waste with the dose level limiting value range through building the relation between the radioactive solid waste pollution grade and the dose level limiting value range, so that the pollution grade can be quickly judged, the classification and the collection are realized, and the treatment and management capacity of the radioactive solid waste is greatly promoted.

Description

Radioactive solid waste detection sorting technique and system
Technical field
The present invention relates to Solid Waste Treatment technical field, particularly relate to the detection classification of radioactive solid waste.
Background technology
Radioactive solid waste is primarily present in the middle of nuclear power station, retired nuclear facilities and Polluted Soil. It is broadly divided into exemption refuse according to the class of pollution, low-level waste, medium-level waste, high-level waste and α refuse, the refuse not polluting level on an equal basis need to adopt different process disposal options, therefore radioactive solid waste is collected, the pretreatment such as sorting just becomes the very important ring processed in disposal process.
But, in the at present elimination of nuclear facilities at home and three-protection design disposal activity, the preprocessing process of radioactive solid waste is lacked corresponding reference technique standard, although Radiation monitoring personnel can use all kinds of portable dosimeter table that refuse is monitored in this process, but owing to the relation between dose data and activity concentration cannot be set up, therefore, it is difficult to identify the class of pollution type of radioactive solid waste rapidly, work with the scientific classification of guide field personnel. Result may result in and there is the phenomenon that the different class of pollution loads in mixture in the follow-up identical material package body reorganized and outfit, and there is potential safety hazard and the multiple unfavorable factor such as uneconomical, seriously constrains the scientific management of radioactive solid waste.
Such as, for nuclear power station, once put into operation, every annual meeting produces substantial amounts of radioactive solid waste, wherein 70% is low combustible waste of putting, and unified for the refuse of this class of pollution collection can be delivered to the radioactive solid waste burning station specified in theory and carry out volume reduction treatment. But owing to lacking the technological means that radioactive solid waste class of pollution level is used for quickly detecting classification, adds somewhat to radioactive solid waste and process the difficulty and cost disposed.
For the retired produced solid waste of nuclear power station, wherein weight account for more than 85% for exempting refuse, about 10% be low-level waste.Can apply for that implementing to solve control processes for exempting refuse, for low-level waste, it is possible to carry out processing with relatively low economic cost and dispose. But for the nuclear facilities that above volume and weight is so huge, adopting traditional methods quickly cannot effectively identify the class of pollution level of refuse, cause waste management disordering, the time consumption analyzing detection is also very big simultaneously.
For Polluted Soil, also due to lack the technological means that radioactive solid waste class of pollution level is used for quickly detecting classification, the method generally adopting traditional unified barrelling, or build large-scale Very Low Metamorphism collection location and be disposed, fund and time consumption and huge.
Summary of the invention
The technical problem to be solved is in that, it is provided that a kind of radioactive solid waste detection categorizing system and method, it is possible to the radioactive solid waste class of pollution is fast and effeciently judged.
For solving this problem, the present invention provides a kind of radioactive solid waste detection sorting technique, comprises the following steps:
Measure the field dose level of radioactive solid waste sample, pollute species type and specific radioactivity;
Obtain the matched curve of dosage level and specific radioactivity, set up both functional relationships, it is determined that the dose limit scope under radioactive solid waste difference class of pollution state;
Measure the dosage level of radioactive solid waste;
The dosage level of contrast radioactive solid waste and the dose limit scope under different class of pollution states thereof, it is determined that the radioactive solid waste class of pollution, carry out categorised collection to it.
Further, before the step of the field dose level of described measurement radioactive solid waste sample, pollution species type and specific radioactivity, also include: gather radioactive solid waste sample, be prepared into the module of same size and weight.
Further, also include before the step of described measurement radioactive solid waste dosage level: radioactive solid waste is prepared into identical with radioactive solid waste sample block size, weight or approximately uniform measurement module.
Further, the step of described measurement radioactive solid waste dosage level includes:
Select to arrange corresponding dosage level radiation detector according to polluting species type;
Radioactive solid waste dosage level is measured;
Pollution species type according to radioactive solid waste, specific radioactivity and dosage level radiation detector characteristic of energy response correction measurement result.
Further, also include before the step of described measurement radioactive solid waste dosage level: radioactive solid waste is carried out mechanical grading.
Present invention simultaneously provides a kind of radioactive solid waste detection categorizing system, this system includes:
Dosage level radiation detector assembly, for being detected radioactive solid waste dosage level;
Control device, including mapping block and determination module;
Described mapping block, for obtaining the matched curve of dosage level and specific radioactivity, sets up both functional relationships, it is determined that the dose limit scope under radioactive solid waste difference class of pollution state;
Described determination module is for contrasting the dosage level of radioactive solid waste and the dose limit scope under different class of pollution states thereof, it is determined that the radioactive solid waste class of pollution.
Further, this system also includes Automatic Conveying device, and described dosage level radiation detector assembly is arranged on above Automatic Conveying device, and height adjustable.
Further, described dosage level radiation detector assembly includes multiple removable dosage level radiation detector.
Further, the described dosage level radiation detector back side arranges screen layer.
Further, described control device also includes correcting module, for according to the pollution species type of radioactive solid waste, specific radioactivity and dosage level radiation detector characteristic of energy response correction dosage level detector measurement result.
Further, described control device also includes combination and arranges module, for the dosage level radiation detector according to the ray type selecting respective type existed in radioactive solid waste.
Further, this system also includes mechanical sifter.
Further, this system also includes discrete transporter.
The present invention is by setting up the corresponding relation of the radioactive solid waste class of pollution and dosage level limits, radioactive solid waste dosage level and dosage level limits are contrasted, its class of pollution can be judged rapidly, realize categorised collection, thus radioactive solid waste being substantially improved process the ability disposed with management and control.
Accompanying drawing explanation
Fig. 1 is that the present invention detects categorizing system frame for movement schematic diagram;
Fig. 2 is the embodiment of the present invention one control principle schematic diagram;
Fig. 3 is the matched curve figure of radioactive solid waste activity of the present invention and counting rate corresponding relation;
Fig. 4 is the embodiment of the present invention two frame for movement schematic diagram.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
The radioactive solid waste detection sorting technique of the present invention and system, be mainly used in the class of pollution to radioactive solid waste and carry out quick identification decision, it is achieved same class of pollution Intermediate Level Radioactive solid waste is unified to be collected.
This detection sorting technique mainly comprises the steps that
Gather radioactive solid waste sample, the radioactive solid waste sample preparation gathered is become the module of same size and weight.
Obtain the source item information of radioactive solid waste, namely utilize portable dosimeter table and spectrometer system to measure the field dose level of radioactive solid waste sample, pollute species type and specific radioactivity;
Obtain the matched curve of dosage level and specific radioactivity, set up both functional relationships, it is determined that the dose limit scope under radioactive solid waste difference class of pollution state, in this, as the foundation judging the radioactive solid waste class of pollution;
Radioactive solid waste is reorganized and outfit in advance, prepares into equivalently-sized with radioactive solid waste sample block by radioactive solid waste, the approximately uniform measurement module of weight;
Use multiple various dose horizontal radiation detector, measure the dosage level of radioactive solid waste;
The dosage level of contrast radioactive solid waste and the dose limit scope under different class of pollution states thereof, it is determined that the radioactive solid waste class of pollution, carry out categorised collection to it.
Wherein, using multiple various dose horizontal radiation detector, the step of the dosage level measuring radioactive solid waste specifically includes:
Select to arrange corresponding dosage level radiation detector according to polluting species type;
Radioactive solid waste measurement module dosage level is detected;
Pollution species type according to radioactive solid waste, specific radioactivity and dosage level radiation detector characteristic of energy response correction measurement result.
In practical application, this detection categorizing system is mainly for radioactive solid wastes such as general material such as plastics, glass, paper scrap, waste and old appliances for labor protection, and radioactive pollution sandy soil carry out level of pollution detection. Difference below according to its targeted material is explained respectively.
Embodiment one
When this detection categorizing system is for general material, specifically includes that dosage level radiation detector assembly 101, Automatic Conveying device 103 and control device 201.
As shown in Figure 1, dosage level radiation detector assembly 101, for the dosage level of radioactive solid waste is detected, this device includes multiple removable dosage level radiation detector 102, multiple different dosage level radiation detectors such as such as scintillator detector, quasiconductor dose detector, beta rediation detector, neutron detector, to realize the effective detection to different ray type radioactive solid wastes. Time actually used, according to the pollution species type in radioactive solid waste, can select to arrange the ray class dosage level radiation detector of correspondence.
The each dosage level radiation detector 102 constituting dosage level radiation detector assembly 101 is arranged on above Automatic Conveying device 103 respectively through detachable mechanism, in order to its Fast Installation. In order to effectively promote the measurement scope of dosage horizontal radiation detector 102, the height adjustable of each detachable mechanism distance Automatic Conveying device.
Simultaneously, environmental dose field can cause the background counting rate of instrument to raise, the detection limit in turn resulting in dosage level radiation detector raises, in order to effectively reduce the impact on each minimum detection limit of dosage level radiation detector 102 of the environmental dose field, the back side of each dosage level radiation detector 102 has been respectively mounted corresponding shielding material, for instance the plumbous screen layer constituted.
Automatic Conveying device 103, for realizing the continuous conveying of radioactive solid waste, is driven conveyer belt to realize by motor 104. Be provided with electronic control module 105, for electric controling part and the cable of integrated dosage level radiation detector assembly 101 and Automatic Conveying device 103, and be provided with communication cable interface 106 with control device be connected, to realize long-range control.
As in figure 2 it is shown, control device 201, including monitoring module 202, mapping block 203, correcting module 204 and determination module 205, computer soft and hardware system realize.
Monitoring module 202 obtains the pulse signal of dosage level radiation detector assembly 101 output in real time by the parts such as data collecting card and high-resolution counter, by its detection data of human-computer interaction interface monitor in real time, the operating of automatic conveying device 103, start and stop are dynamically controlled simultaneously.
Mapping block 203, dosage level and specific radioactivity size for the radioactive solid waste sample measured by portable dosimeter table and spectrometer system, carry out curve fitting, thus obtaining the functional relationship of radioactive solid waste dosage level and specific activity size, by this functional relationship, it is determined that dosage level limits corresponding under radioactive solid waste difference class of pollution state.
Correcting module 204, for the pollution species type of the radioactive solid waste measured by portable dosimeter table and spectrometer system, specific radioactivity, and the measurement result of dosage level radiation detector 102 characteristic of energy response correction dosage level radiation detector 102.
Determination module 205, the measurement result of contrast dosage horizontal radiation detector 102 and dosage level limits, judge the radioactive solid waste class of pollution, and this result of determination is sent the display terminal 206 to ad-hoc location, to instruct staff that radioactive solid waste is carried out categorised collection.
In addition, system also includes combination and arranges module (not shown), this module can select to install different types of dosage level radiation detector 102 according to ray type prompts that may be present in radioactive solid waste, or, when dosage level radiation detector assembly 101 is provided with several different dosage level radiation detector 102 simultaneously, this module can be passed through select and start the dosage level radiation detector 102 of desirable type, thereby enhance the motility of system application.
In actual applications, the concrete application process of this detection categorizing system and step are as follows:
The source item acquisition of information of radioactive solid waste: the source item information often difference of the radioactive solid waste that different nuclear facilities produces is very big, for this reason, it may be necessary to be analyzed for the some representational samples of above waste pickup. Concrete collection needs to use different types of portable dosimeter table to carry out subsidiary, in order to find out dosage level and there is the sample of certain span and difference, determine work for the ease of follow-up class of pollution limit value, gather relatively more samples as far as possible. After sample collecting, it is prepared into the module of same size and weight, use portable dosimeter table and relatively more accurate spectrometer system such as α, β, gamma ray spectrometer, obtain dosage level information and corresponding pollution species type and the specific activity information of radioactive solid waste sample block respectively.
Selection arranges dosage level radiation detector assembly 101: namely select to install corresponding ray class dosage level radiation detector 102 according to above-mentioned pollution species type information. Such as, if refuse only exists gamma-rays class nucleic, then dosage level radiation detector assembly 101 has only to γ dosage level radiation detector 102 is installed; If refuse exists α, β, gamma-rays class nucleic simultaneously, then dosage level radiation detector assembly 101 needs above ray class dosage level radiation detector 102 is installed simultaneously.
The demarcation of dosage level radiation detector 102: different dosage level radiation detectors is for different pollution nucleic, and its energy response exists very big difference. For this reason, it may be necessary to measurement result is carried out suitable correction by the characteristic of energy response according to source item information and dosage level radiation detector 102. In actual measurement process, the monitoring module 202 controlling device 201 reads the pulse signal of dosage level radiation detector 102 output in real time, and after being corrected the correction of module 204, final data shows in real time in the human-computer interaction interface of monitoring module 202.
Reorganizing and outfit in advance of radioactive solid waste: the radioactive solid waste of different size and weight, be there is certain difference by dosage level radiation detector 102 in its detection efficient, then can initiator dose rate measure change. Refuse in order to realize industrial flow-line formula processes the measurement disposing, simplifying radioactive solid waste and analyzes process, significantly saves the measurement time, and radioactive solid waste needs to carry out certain reorganizing and outfit in advance before measuring. Utilize industry baling press be packaged as with in source item information access process before preparation module size and weight is consistent or is similar to consistent measurement module, so, control device and relatively-stationary efficiency calibration parameter can be set for different dosage level radiation detectors 102.
The determination of radioactive solid waste level of pollution limit value: according to the source item information obtained, set up the dosage level of radioactive solid waste module and the corresponding relation formula of its specific activity size, mode by curve matching, obtain the functional relationship of radioactive solid waste module dosage level and specific activity size, by this functional relationship, it is appreciated that dosage level limits corresponding when the radioactive solid waste difference class of pollution, on this basis, it is achieved the quick judgement of radioactive solid waste module level of pollution.
Clearing up the produced refuse test of project for certain nuclear facilities solid waste, the nucleic that pollutes of its radioactive solid waste is mainly single Am-241.Measure specific activity and the field dose level of radioactive solid waste sample, set up both corresponding relations, matching obtains the curve between field dose level and specific activity, such that it is able to the functional relation simulated approx between field dose level and specific activity, the final data refer obtaining radioactive solid waste class of pollution matched doses level limit scope, as shown in the table. In actual mechanical process, also the corresponding relation curve of matching radioactivity and counting rate can be passed through, obtain the functional relation between field dose level and specific activity through simple conversion, be the matched curve of radioactivity (unit Bq) and counting rate (unit CPS) corresponding relation as shown in Figure 3.
Next, radioactive solid waste class of pollution on-line checking can be classified: at radioactive solid waste through reorganizing and outfit in advance when, it is passed on the conveyer belt of Automatic Conveying device 103, when it arrives at below dosage level radiation detector 102, conveyer belt is static, radioactive solid waste module is detected by dosage level radiation detector 102, detects complete, and conveyer belt startup sequentially enters next dosage level radiation detector 102 and detects. If refuse only existing a kind of ray class pollute nucleic, then have only to carry out dose detection, control device 201 and quickly determine the class of pollution level of this waste module according to measurement data, and this information is fed back on the display terminal 206 of ad-hoc location, staff's testing result according to display, carries out categorised collection to waste module.
Embodiment two
For radioactive pollution sandy soil, method that this detection categorizing system is specifically applied and the method for step and embodiment one and step slightly difference.
In radioactive pollution sandy soil, to be concentrated mainly on granularity less for most of pollution nucleic, in the soil that absorbability is stronger, and oarse-grained sandstone, absorbability for polluting nucleic is poor, by suitable screening, oarse-grained sandstone can backfill as exempting refuse, thus the control expense polluting sandy soil can be saved significantly. Based on principles above, the detection categorizing system of the present invention is also provided with mechanical sifter 107 in the front end of Automatic Conveying device 103, this device sifter by suitable pore size, little granule and bulky grain sandy soil are sifted out by little granule sandy soil discharging opening 108 and bulky grain sandy soil discharging opening 109 respectively, it is achieved in the preliminary classification of variable grain degree size sandy soil, as shown in Figure 4.
After mechanical sifter 107 processes, the sandy soil of variable grain degree respectively fall on two different Automatic Conveying devices 103. Conveyer belt used by the present embodiment Automatic Conveying device 103 is the continuous grids cell body that rubber is made, each cell body is used for the sandy soil after receiving screening, it is arranged above a fixing height limiting plate at every conveyer belt, for the sandy soil beyond certain altitude are smoothed, thus the sandy soil that each grid cell body contains can be considered as density, volume and weight is similar to consistent measurement module, so that dosage level radiation detector adopts relatively uniform efficiency calibration parameter, simplify and measure analysis process, save the measurement time. Measurement module subsequently enters dosage level radiation detector assembly 101 and its dosage level is detected respectively, control device 201 and quickly determine the class of pollution level of sandy soil module according to measurement data, and send this information to the discrete transporter 110 of rear end.
Discrete transporter 110 includes separating from the exemption sandy soil of both sides and collects mouth 111 and pollute sandy soil collection mouth 112, the sandy soil module of different class of pollution levels, according to its sandy soil module class of pollution horizontal information received, is respectively sent to different collection mouths by this device. Finally for through detection, it is believed that be that the sandy soil exempting hierarchy level backfill, for determining that the sandy soil reaching certain level of pollution carry out centralized collection.
Therefore, for the detection sorting technique of radioactive pollution sandy soil before measuring radioactive solid waste and radioactive pollution sandy soil dosage level, the step that radioactive solid waste and radioactive pollution sandy soil are carried out mechanical grading is also included; And the detection categorizing system for radioactive pollution sandy soil also includes mechanical sifter 107, for it being sieved according to the granularity polluting sandy soil; And discrete transporter 110, for the display terminal 206 in alternate embodiment one, the sandy soil module class of pollution horizontal information that receiving control device 201 judges, and according to this information, the sandy soil module of different class of pollution levels is carried out automatic classification collection.
The radioactive solid waste detection system of the present invention, establish the corresponding relation of the radioactive solid waste class of pollution and dosage level limits, radioactive solid waste dosage level and dosage level limits are contrasted, its class of pollution can be judged rapidly, realize categorised collection, thus radioactive solid waste being substantially improved process the ability disposed with management and control.

Claims (13)

1. a radioactive solid waste detection sorting technique, comprises the following steps:
Measure the field dose level of radioactive solid waste sample, pollute species type and specific radioactivity;
Obtain the matched curve of dosage level and specific radioactivity, set up both functional relationships, it is determined that the dose limit scope under radioactive solid waste difference class of pollution state;
Measure the dosage level of radioactive solid waste;
The dosage level of contrast radioactive solid waste and the dose limit scope under different class of pollution states thereof, it is determined that the radioactive solid waste class of pollution, carry out categorised collection to it.
2. method according to claim 1, it is characterised in that before the step of the field dose level of described measurement radioactive solid waste sample, pollution species type and specific radioactivity, also includes:
Gather radioactive solid waste sample, be prepared into the module of same size and weight.
3. method according to claim 2, it is characterised in that also include before the step of described measurement radioactive solid waste dosage level:
Radioactive solid waste is prepared into identical with radioactive solid waste sample block size, weight or approximately uniform measurement module.
4. method according to claim 1, it is characterised in that the step of described measurement radioactive solid waste dosage level includes:
Select to arrange corresponding dosage level radiation detector according to polluting species type;
Radioactive solid waste dosage level is measured;
Pollution species type according to radioactive solid waste, specific radioactivity and dosage level radiation detector characteristic of energy response correction measurement result.
5. according to the arbitrary described method of claim 1-4, it is characterised in that also include before the step of described measurement radioactive solid waste dosage level:
Radioactive solid waste is carried out mechanical grading.
6. a radioactive solid waste detection categorizing system, it is characterised in that this system includes:
Dosage level radiation detector assembly, for being detected radioactive solid waste dosage level;
Control device, including mapping block and determination module;
Described mapping block, for obtaining the matched curve of dosage level and specific radioactivity, sets up both functional relationships, it is determined that the dose limit scope under radioactive solid waste difference class of pollution state;
Described determination module is for contrasting the dosage level of radioactive solid waste and the dose limit scope under different class of pollution states thereof, it is determined that the radioactive solid waste class of pollution.
7. system according to claim 6, it is characterised in that: this system also includes Automatic Conveying device, and described dosage level radiation detector assembly is arranged on above Automatic Conveying device, and height adjustable.
8. system according to claim 7, it is characterised in that: described dosage level radiation detector assembly includes multiple removable dosage level radiation detector.
9. system according to claim 8, it is characterised in that: the described dosage level radiation detector back side arranges screen layer.
10. system according to claim 8, it is characterized in that: described control device also includes correcting module, for according to the pollution species type of radioactive solid waste, specific radioactivity and dosage level radiation detector characteristic of energy response correction dosage level detector measurement result.
11. system according to claim 8, it is characterised in that: described control device also includes combination and arranges module, for the dosage level radiation detector according to the ray type selecting respective type existed in radioactive solid waste.
12. according to the arbitrary described system of claim 6-11, it is characterised in that: this system also includes mechanical sifter.
13. system according to claim 12, it is characterised in that: this system also includes discrete transporter.
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CN110153045A (en) * 2019-06-17 2019-08-23 博思英诺科技(北京)有限公司 Radioactive pollution material activity continuously screens the equipment and detection method of automatic sorting
CN110586518A (en) * 2019-09-04 2019-12-20 中国疾病预防控制中心辐射防护与核安全医学所 Full-bag type grain radioactivity detection device
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CN110717455A (en) * 2019-10-10 2020-01-21 北京同创信通科技有限公司 Method for classifying and detecting grades of scrap steel in storage
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CN111158037A (en) * 2020-01-02 2020-05-15 中广核工程有限公司 Nuclear facility solid waste package radioactivity evaluation method and system
CN111604288A (en) * 2020-05-29 2020-09-01 中国人民解放军63653部队 Automatic sorting method and sorting machine for soil containing radioactive contamination
CN111638235A (en) * 2020-07-10 2020-09-08 成都理工大学 XACT-based radioactive waste solidification structure detection method
CN113399316A (en) * 2021-05-26 2021-09-17 广东核电合营有限公司 Automatic detection and classification device for radioactive contamination components of nuclear power station
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