CN105665310B - Radioactive solid waste detects sorting technique and system - Google Patents
Radioactive solid waste detects sorting technique and system Download PDFInfo
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- CN105665310B CN105665310B CN201610140660.9A CN201610140660A CN105665310B CN 105665310 B CN105665310 B CN 105665310B CN 201610140660 A CN201610140660 A CN 201610140660A CN 105665310 B CN105665310 B CN 105665310B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting 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
- B07C5/34—Sorting according to other particular properties
- B07C5/346—Sorting according to other particular properties according to radioactive properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/17—Circuit arrangements not adapted to a particular type of detector
- G01T1/178—Circuit 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/36—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry
- G01T1/38—Particle discrimination and measurement of relative mass, e.g. by measurement of loss of energy with distance (dE/dx)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0054—Sorting of waste or refuse
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- 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 Solid Waste Treatment technical fields.A kind of radioactive solid waste detection sorting technique is disclosed, including：Measure field dose level, pollution species type and the specific radioactivity of radioactive solid waste sample；The matched curve for obtaining dosage level and specific radioactivity establishes the functional relation of the two, determines the dose limit range under radioactive solid waste difference class of pollution state；Measure the dosage level of radioactive solid waste；The dosage level for comparing radioactive solid waste and its dose limit range under different class of pollution states judge the radioactive solid waste class of pollution, categorised collection are carried out to it.The present invention is by establishing the correspondence of the radioactive solid waste class of pollution and dosage level limits, radioactive solid waste dosage level and dosage level limits are compared, it can rapidly judge its class of pollution, categorised collection is realized, to which the ability of radioactive solid waste processing disposition and management and control be substantially improved.
Description
Technical field
The present invention relates to the detection of Solid Waste Treatment technical field more particularly to radioactive solid waste classification.
Background technology
Radioactive solid waste is primarily present in nuclear power station, retired nuclear facilities and Polluted Soil.It is according to the class of pollution
It is broadly divided into exemption waste, low-level waste, medium-level waste, high-level waste and α wastes, the waste that difference etc. pollutes grade need to use not
With processing disposal options, therefore the pretreatments such as be collected, sort to radioactive solid waste and just become and handling disposal process
In a very important ring.
However, at present in the elimination of nuclear facilities and three-protection design disposition activity at home, to the pre- of radioactive solid waste
Processing procedure lacks refers to technical standard accordingly, although Radiation monitoring personnel can use all kinds of portable dosage in this process
Instrument is monitored waste, but due to that can not set up the relationship between dose data and activity concentration, difficult
Rapidly to identify the class of pollution type of radioactive solid waste, to instruct the scientific classification of Field Force to work.As a result may be used
The phenomenon that capable of causing to load in mixture there is the different classes of pollution in the identical material package body subsequently reorganized and outfit, there are security risk and
The multiple unfavorable factor such as uneconomical, seriously constrains the scientific management of radioactive solid waste.
For example, for nuclear power station, once putting into operation, a large amount of radioactive solid waste is will produce every year, wherein 70%
Combustible waste is put to be low, unified collect of the waste of this class of pollution can theoretically be sent to specified radioactive solid waste
It burns station and carries out volume reduction treatment.But classification is used for quickly detecting to radioactive solid waste class of pollution level due to lacking
Technological means adds somewhat to the difficulty and cost of radioactive solid waste processing disposition.
For the retired generated solid waste of nuclear power station, it is to exempt waste that wherein weight, which accounts for 85% or more, and 10% is left
The right side is low-level waste.It can apply implementing solution control processing for exempting waste, it, can be with lower economy for low-level waste
Cost carries out processing disposition.But for the so huge nuclear facilities of the above volume and weight, using traditional methods without
Method quickly and effectively identifies that the class of pollution of waste is horizontal, causes waste management disordering, while analyzing the time consumption of detection
Greatly.
For Polluted Soil, classification is used for quickly detecting to radioactive solid waste class of pollution level also due to lacking
Technological means, the method for the traditional unified barrelling of generally use, or build large-scale Very Low Metamorphism collection location and be disposed,
Fund and time consumption and its huge.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of radioactive solid waste detection categorizing system and side
Method can fast and effeciently judge the radioactive solid waste class of pollution.
To solve the problems, such as this, the present invention provides a kind of radioactive solid waste detection sorting technique, includes the following steps：
Measure field dose level, pollution species type and the specific radioactivity of radioactive solid waste sample；
The functional relation of the two is established in the matched curve for obtaining field dose level and specific radioactivity, determines radiation
Field dose limits under property solid waste difference class of pollution state；
The field dose for measuring radioactive solid waste is horizontal；
Compare the field dose level of radioactive solid waste and its field dose limit under different class of pollution states
It is worth range, judges the radioactive solid waste class of pollution, categorised collection is carried out to it.
Further, the field dose for measuring radioactive solid waste sample is horizontal, pollution species type and puts
Before the step of penetrating property specific activity, further include：Radioactive solid waste sample is acquired, identical size and weight are prepared into
Module.
Further, further include before the step for measuring radioactive solid waste field dose level：By radioactivity
Solid waste is prepared into identical as radioactive solid waste sample block size, weight or approximately uniform measurement module.
Further, the step for measuring radioactive solid waste field dose level includes：
According to pollution species type selection, corresponding dosage level radiation detector is set；
Radioactive solid waste field dose level is measured；
According to the pollution species type of radioactive solid waste, specific radioactivity and dosage level radiation detector energy
Response characteristic corrects measurement result.
Further, further include before the step for measuring radioactive solid waste field dose level：To radioactivity
Solid waste carries out mechanical grading.
Present invention simultaneously provides a kind of radioactive solid wastes to detect categorizing system, which includes：
Dosage level radiation detector assembly, for being detected to radioactive solid waste field dose level；
Control device, including mapping block and determination module；
The mapping block is used to obtain the matched curve of field dose level and specific radioactivity, establishes the letter of the two
Number relationship, determines the field dose limits under radioactive solid waste difference class of pollution state；
The determination module is used to compare the field dose level of radioactive solid waste and its in different class of pollution shape
Field dose limits under state judge the radioactive solid waste class of pollution.
Further, which further includes the Automatic Conveying device for conveying radioactive solid waste, the dosage
Horizontal radiation detection device is arranged above Automatic Conveying device, and height is adjustable.
Further, the dosage level radiation detector assembly includes multiple replaceable dosage level radiation detectors.
Further, shielded layer is arranged in the dosage level radiation detector back side.
Further, the control device further includes correcting module, for the pollution nucleic according to radioactive solid waste
Type, specific radioactivity and dosage level radiation detector characteristic of energy response correct dosage level detector measurement result.
Further, the control device further includes combination settings module, for existing according in radioactive solid waste
Pollution species type selection respective type dosage level radiation detector.
Further, which further includes mechanical sifter, for being carried out to contaminating sands great soil group radioactive solid waste
Screening.
Further, which further includes discrete transmission device, is used for the sandy soil module of different classes of pollution level
It is respectively sent to different collection ports.
The present invention by establishing the correspondence of the radioactive solid waste class of pollution and field dose level limit range,
Radioactive solid waste field dose level and field dose level limit range are compared, you can rapidly judge its dirt
Grade is contaminated, realizes categorised collection, to which the ability of radioactive solid waste processing disposition and management and control be substantially improved.
Description of the drawings
Fig. 1 is present invention detection categorizing system mechanical structure schematic diagram；
Fig. 2 is one control principle schematic diagram of the embodiment of the present invention；
Fig. 3 is the matched curve figure of radioactive solid waste activity and counting rate correspondence of the present invention；
Fig. 4 is two mechanical structure schematic diagram of the embodiment of the present invention.
Specific implementation mode
With reference to the accompanying drawings and embodiments, the present invention is described in detail.
The radioactive solid waste detection sorting technique and system of the present invention, is mainly used for the dirt to radioactive solid waste
It contaminates grade and carries out quick identification decision, realize that same class of pollution Intermediate Level Radioactive solid waste is unified and collect.
The detection sorting technique mainly includes the following steps that：
Radioactive solid waste sample is acquired, by the radioactive solid waste sample preparation acquired at identical size and again
The module of amount.
The source item information of radioactive solid waste is obtained, that is, portable dosimeter table and spectrometer system is utilized to measure radioactivity
The field dose of solid waste sample is horizontal, pollutes species type and specific radioactivity；
The functional relation of the two is established in the matched curve for obtaining field dose level and specific radioactivity, determines radiation
Property solid waste difference class of pollution state under field dose limits, in this, as judgement radioactive solid waste pollution
The foundation of grade；
Radioactive solid waste is reorganized and outfit in advance, i.e., is prepared into radioactive solid waste and radioactive solid waste sample block
Size is identical, the approximately uniform measurement module of weight；
Using a variety of different dose levels radiation detectors, the field dose for measuring radioactive solid waste is horizontal；
Compare the field dose level of radioactive solid waste and its field dose limit under different class of pollution states
It is worth range, judges the radioactive solid waste class of pollution, categorised collection is carried out to it.
Wherein, using a variety of different dose levels radiation detectors, the field dose for measuring radioactive solid waste is horizontal
The step of specifically include：
According to pollution species type selection, corresponding dosage level radiation detector is set；
Radioactive solid waste measurement module field dose level is detected；
According to the pollution species type of radioactive solid waste, specific radioactivity and dosage level radiation detector energy
Response characteristic corrects measurement result.
In practical application, the detection categorizing system is mainly for general material such as plastics, glass, paper scrap, waste and old labour protection
The radioactive solid wastes such as articles for use and radioactive pollution sandy soil carry out level of pollution detection.Below according to its targeted material
Difference be explained respectively.
Embodiment one
When the detection categorizing system is directed to general material, include mainly：It is dosage level radiation detector assembly 101, automatic
Change conveying device 103 and control device 201.
As shown in Figure 1, dosage level radiation detector assembly 101, horizontal for the field dose to radioactive solid waste
It is detected, which includes multiple replaceable dosage level radiation detectors 102, such as scintillator detector, semiconductor
Multiple and different dosage level radiation detector such as dose detector, beta rediation detector, neutron detector, to realize to different rays
Effective detection of type radioactive solid waste.In actual use, can according to the pollution species type in radioactive solid waste,
Corresponding ray class dosage level radiation detector is arranged in selection.
Each dosage level radiation detector 102 for constituting dosage level radiation detector assembly 101 is unloaded the goods from the airplane by removable respectively
Structure is arranged above Automatic Conveying device 103, in order to its Fast Installation.In order to effectively promote dosage horizontal radiation detector
102 measurement range, height of each detachable mechanism apart from Automatic Conveying device is adjustable.
Meanwhile environmental dose field can cause the background counting rate of instrument to increase, and in turn result in dosage level radiation detector
Detection limit increase, in order to effectively reduce environmental dose field to the minimum detection limit of each dosage level radiation detector 102
It influences, the back side of each dosage level radiation detector 102 has been respectively mounted corresponding shielding material, such as the shielding that lead is constituted
Layer.
Automatic Conveying device 103 is driven by motor 104 and is transmitted for realizing the continuous conveying of radioactive solid waste
Band is realized.It is provided with electronic control module 105, for integrating dosage level radiation detector assembly 101 and Automatic Conveying device
103 electric controling part and cable, and connect with control device equipped with communication cable interface 106, to realize remote control.
As shown in Fig. 2, control device 201, including monitoring module 202, mapping block 203, correcting module 204 and judgement mould
Block 205 is realized by computer soft and hardware system.
Monitoring module 202 obtains dosage level radiation detection in real time by components such as data collecting card and high-resolution counters
The pulse signal that device 101 exports, monitors its detection data in real time, while to automatic conveying device by human-computer interaction interface
103 operating, start and stop carry out dynamic control.
Mapping block 203, for the radioactive solid waste sample measured by portable dosimeter table and spectrometer system
The field dose level of product and specific radioactivity size, carry out curve fitting, to obtain radioactive solid waste surface agent
The horizontal functional relation with specific activity size of amount determines radioactive solid waste difference class of pollution shape by the functional relation
Corresponding field dose level limit range under state.
Correcting module 204, for the radioactive solid waste measured by portable dosimeter table and spectrometer system
It pollutes species type, specific radioactivity and 102 characteristic of energy response of dosage level radiation detector and corrects dosage level radiation
The measurement result of detector 102.
Determination module 205, the measurement result and field dose level limit model of comparison dosage horizontal radiation detector 102
It encloses, judges the radioactive solid waste class of pollution, and the judgement result is sent to the display terminal 206 of specific position, to refer to
It leads staff and categorised collection is carried out to radioactive solid waste.
In addition to this, system further includes combination settings module (not shown), which can be according to radioactive solid waste
In pollution species type that may be present prompt selection different types of dosage level radiation detector 102 is installed, alternatively, working as agent
When amount horizontal radiation detection device 101 is provided with several different dosage level radiation detectors 102 simultaneously, the module can be passed through
The dosage level radiation detector 102 for selecting and starting required type thereby enhances the flexibility of system application.
In practical applications, the concrete application method of the detection categorizing system and steps are as follows：
The source item acquisition of information of radioactive solid waste：The source item letter for the radioactive solid waste that different nuclear facilities generates
Often difference is very big for breath, for this reason, it may be necessary to be analyzed for several representational samples of the above waste pickup.In specific acquisition
It needs to carry out subsidiary using different types of portable dosimeter table, there is certain span and difference to find out dosage level
Other sample determines work for the ease of subsequent class of pollution limit value, acquires more sample as far as possible.Sample collection is complete
Bi Hou is prepared into the module of identical size and weight, such as using portable dosimeter table and more accurate spectrometer system
α, β, gamma ray spectrometer, respectively obtain radioactive solid waste sample block dosage level information and corresponding pollution species type with
And specific activity information.
Selection setting dosage level radiation detector assembly 101：I.e. according to the selection installation pair of above-mentioned pollution species type information
The ray class dosage level radiation detector 102 answered.For example, if there is only gamma-rays class nucleic, dosage level spokes in waste
It penetrates in detection device 101 and only needs that γ dosage levels radiation detector 102 is installed；If existing simultaneously α, β, gamma-rays class in waste
Nucleic then needs to install the above ray class dosage level radiation detector 102 simultaneously in dosage level radiation detector assembly 101.
The calibration of dosage level radiation detector 102：Different dosage level radiation detectors is for different pollution core
Element, there are prodigious difference for energy response.For this reason, it may be necessary to according to source item information and dosage level radiation detector 102
Characteristic of energy response to carry out amendment appropriate to measurement result.In practical measurement process, the monitoring module of control device 201
202 read the pulse signal of 102 output of dosage level radiation detector, after being corrected the amendment of module 204, final data in real time
The real-time display in the human-computer interaction interface of monitoring module 202.
The pre- of radioactive solid waste is reorganized and outfit：The radioactive solid waste of different size and weight, dosage level radiation are visited
Survey device 102 its detection efficient is had a certain difference, then can initiator dose rate measure variation.In order to realize industrial flowing water
The waste processing disposition of wire type, significantly saves time of measuring, radioactivity at the measurement analytic process for simplifying radioactive solid waste
Solid waste needs to carry out before measuring certain pre- reorganize and outfit.It is packaged as obtaining with source item information before using industrial baling press
Take the module size prepared in the process consistent with weight or approximate consistent measurement module, in this way, control device can be difference
Dosage level radiation detector 102 relatively-stationary efficiency calibration parameter is set.
The determination of radioactive solid waste level of pollution limit value：According to the source item information of acquisition, it is useless to establish solid radiation
The correspondence formula of the dosage level of object module and its specific activity size obtains solid radiation by way of curve matching
The functional relation of waste module dosage level and specific activity size can learn radioactive solid waste by the functional relation
Corresponding dosage level limits under the conditions of the different classes of pollution realize that radioactive solid waste module is dirty on this basis
Contaminate horizontal quick judgement.
By taking waste test produced by certain nuclear facilities solid waste cleaning project as an example, the pollution core of radioactive solid waste
The predominantly single Am-241 of element.Both specific activity and the field dose for measuring radioactive solid waste sample are horizontal, establish
Correspondence, fitting obtains the horizontal curve between specific activity of field dose, so as to approximatively fit field dose
Functional relation between horizontal and specific activity, it is final to obtain radioactive solid waste class of pollution matched doses level limit model
The data reference enclosed, as shown in the table.It, also can be by being fitted radioactive activity pass corresponding with counting rate in actual mechanical process
It is curve, obtains the horizontal functional relation between specific activity of field dose by simply converting, be as shown in Figure 3 to put
The matched curve of penetrating property activity (unit Bq) and counting rate (unit CPS) correspondence.
Next, can classify to radioactive solid waste class of pollution on-line checking：Pass through in radioactive solid waste
It under conditions of reorganizing and outfit in advance, is passed on the conveyer belt of Automatic Conveying device 103, waits for that its arrives at dosage level radiation detection
When 102 lower section of device, conveyer belt is static, and dosage level radiation detector 102 is detected radioactive solid waste module, detection
It finishes, transmission tape starting sequentially enters next dosage level radiation detector 102 and is detected.If there is only one kind in waste
Ray class pollutes nucleic, then only needs to carry out dose detection, it is useless that control device 201 quickly determines this according to measurement data
The class of pollution of object module is horizontal, and the information is fed back on the display terminal 206 of specific position, and staff is according to display
Testing result, to waste module carry out categorised collection.
Embodiment two
For radioactive pollution sandy soil, the method for the detection categorizing system concrete application and the method for step and embodiment one
And step slightly has difference.
Most of pollution nucleic is concentrated mainly on that granularity is smaller, and adsorption capacity is stronger in radioactive pollution sandy soil
In soil, and the sandstone of bulky grain, it is poor for the adsorption capacity for polluting nucleic, by suitably sieving, the sandstone of bulky grain
Exemption waste can be used as to be backfilled, so as to significantly save the control expense of pollution sandy soil.Based on principles above, originally
The detection categorizing system of invention is also provided with mechanical sifter 107 in the front end of Automatic Conveying device 103, which passes through
The sifter of suitable pore size, little particle and bulky grain sandy soil is husky by little particle sandy soil discharge port 108 and bulky grain respectively
Native discharge port 109 sifts out, and is achieved in the preliminary classification of variable grain degree size sandy soil, as shown in Figure 4.
After the processing of mechanical sifter 107, it is defeated that the sandy soil of variable grain degree respectively fall in two different automations
It send on device 103.Conveyer belt used in the present embodiment Automatic Conveying device 103 is continuous grids groove body made of rubber,
Each groove body is used to receive the sandy soil after screening, a fixed height limiting plate is equipped with above every conveyer belt, for that will exceed
The sandy soil of certain altitude smooth, thus the sandy soil that each grid groove body contains can be considered as to density, and volume and weight is approximate consistent
Measurement module, so as to dosage level radiation detector use relatively uniform efficiency calibration parameter, simplify measure analytic process,
Save time of measuring.Measurement module subsequently enters dosage level radiation detector assembly 101 and is detected respectively to its dosage level,
The class of pollution that control device 201 quickly determines sandy soil module according to measurement data is horizontal, and sends this information to rear end
Discrete transmission device 110.
Discrete transmission device 110 includes the exemption sandy soil collection port 111 and pollution sandy soil collection port for separating from both sides
112, the sandy soil module class of pollution horizontal information which is received according to it, by the sandy soil module of different classes of pollution level
It is respectively sent to different collection ports.Finally for through detection, it is believed that be exempt hierarchy level sandy soil backfilled, for
Determine that the sandy soil for reaching certain level of pollution carry out centralized collection.
Therefore, radioactive solid waste, that is, radioactive pollution is being measured for the detection sorting technique of radioactive pollution sandy soil
Further include the steps that mechanical grading is carried out to radioactive solid waste i.e. radioactive pollution sandy soil before sandy soil dosage level；And
Detection categorizing system for radioactive pollution sandy soil further includes mechanical sifter 107, for the particle according to pollution sandy soil
Degree sieves it；And discrete transmission device 110 receives control for the display terminal 206 in alternate embodiment one
The sandy soil module class of pollution horizontal information that device 201 is judged, and according to the information to the sandy soil of different classes of pollution level
Module carries out automatic classification collection.
The radioactive solid waste detecting system of the present invention, establishes the radioactive solid waste class of pollution and dosage level
The correspondence of limits compares radioactive solid waste dosage level and dosage level limits, you can fast
Its class of pollution is judged fastly, realizes categorised collection, to which the energy of radioactive solid waste processing disposition and management and control be substantially improved
Power.
Claims (13)
1. a kind of radioactive solid waste detects sorting technique, include the following steps：
Measure field dose level, pollution species type and the specific radioactivity of radioactive solid waste sample；
The matched curve for obtaining field dose level and specific radioactivity establishes the functional relation of the two, determines radioactive solid
Field dose limits under body waste difference class of pollution state；
The field dose for measuring radioactive solid waste is horizontal；
The field dose level for comparing radioactive solid waste and its field dose limit value model under different class of pollution states
It encloses, judges the radioactive solid waste class of pollution, categorised collection is carried out to it.
2. according to the method described in claim 1, it is characterized in that, in the surface agent for measuring radioactive solid waste sample
Before the step of amount level, pollution species type and specific radioactivity, further include：
Radioactive solid waste sample is acquired, the module of identical size and weight is prepared into.
3. according to the method described in claim 2, it is characterized in that, the radioactive solid waste field dose of measuring is horizontal
Further include before step：
Radioactive solid waste is prepared into identical as radioactive solid waste sample block size, weight or approximately uniform survey
Measure module.
4. according to the method described in claim 1, it is characterized in that, the radioactive solid waste field dose of measuring is horizontal
Step includes：
According to pollution species type selection, corresponding dosage level radiation detector is set；
Radioactive solid waste field dose level is measured；
According to the pollution species type of radioactive solid waste, specific radioactivity and dosage level radiation detector energy response
Characteristic revision measurement result.
5. according to any methods of claim 1-4, which is characterized in that the measurement radioactive solid waste field dose
Further include before horizontal step：
Mechanical grading is carried out to radioactive solid waste.
6. a kind of radioactive solid waste detects categorizing system, which is characterized in that the system includes：
Dosage level radiation detector assembly, for being detected to radioactive solid waste field dose level；
Control device, including mapping block and determination module；
The mapping block is used to obtain the matched curve of field dose level and specific radioactivity, and the function for establishing the two closes
System, determines the field dose limits under radioactive solid waste difference class of pollution state；
The determination module is used to compare the field dose level of radioactive solid waste and its under different class of pollution state
Field dose limits, judge the radioactive solid waste class of pollution.
7. system according to claim 6, it is characterised in that：The system further includes for conveying radioactive solid waste
Automatic Conveying device, the dosage level radiation detector assembly are arranged above Automatic Conveying device, and height is adjustable.
8. system according to claim 7, it is characterised in that：The dosage level radiation detector assembly include it is multiple can be more
The dosage level radiation detector changed.
9. system according to claim 8, it is characterised in that：The setting shielding of the dosage level radiation detector back side
Layer.
10. system according to claim 8, it is characterised in that：The control device further includes correcting module, is used for basis
Pollution species type, specific radioactivity and the dosage level radiation detector characteristic of energy response amendment of radioactive solid waste
Dosage level detector measurement result.
11. system according to claim 8, it is characterised in that：The control device further includes combination settings module, is used for
The dosage level radiation detector for selecting respective type according to species type is polluted present in radioactive solid waste.
12. according to any systems of claim 6-11, it is characterised in that：The system further includes mechanical sifter, is used
It is sieved in contaminating sands great soil group radioactive solid waste.
13. system according to claim 12, it is characterised in that：The system further includes discrete transmission device, and being used for will
The sandy soil module of different class of pollution levels is respectively sent to different collection ports.
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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 |
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| CN103308936A (en) * | 2013-06-18 | 2013-09-18 | 中国原子能科学研究院 | Reactor pool cleaning method used for miniature neutron source reactor decommissioning |
| CN103639128A (en) * | 2013-12-20 | 2014-03-19 | 中云智慧（北京）科技有限公司 | Radioactive substance detecting and sorting equipment and method |
| CN103769375A (en) * | 2013-04-23 | 2014-05-07 | 湖南久泰冶金科技有限公司 | Sorting device for ore materials |
| CN104043600A (en) * | 2013-03-11 | 2014-09-17 | 中国原子能科学研究院 | Sorting process for radioactive contaminated soil |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806910A (en) * | 2010-05-11 | 2010-08-18 | 西北核技术研究所 | Method and device for absolutely measuring for radioactive gas nuclide activity |
| CN104043600A (en) * | 2013-03-11 | 2014-09-17 | 中国原子能科学研究院 | Sorting process for radioactive contaminated soil |
| CN103769375A (en) * | 2013-04-23 | 2014-05-07 | 湖南久泰冶金科技有限公司 | Sorting device for ore materials |
| CN103308936A (en) * | 2013-06-18 | 2013-09-18 | 中国原子能科学研究院 | Reactor pool cleaning method used for miniature neutron source reactor decommissioning |
| CN103639128A (en) * | 2013-12-20 | 2014-03-19 | 中云智慧（北京）科技有限公司 | Radioactive substance detecting and sorting equipment and method |
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