CN109596461A - A kind of radionuclide migration earth pillar environmental chamber - Google Patents
A kind of radionuclide migration earth pillar environmental chamber Download PDFInfo
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- CN109596461A CN109596461A CN201811252751.7A CN201811252751A CN109596461A CN 109596461 A CN109596461 A CN 109596461A CN 201811252751 A CN201811252751 A CN 201811252751A CN 109596461 A CN109596461 A CN 109596461A
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- earth pillar
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
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Abstract
The present invention relates to a kind of radionuclide migration earth pillar environmental chambers, including cabinet, the side of cabinet is equipped with the chamber door of rotation connection, temperature control device and earth pillar height, apparatus for adjusting position are equipped in cabinet, several earth pillars are placed in earth pillar height, apparatus for adjusting position, the top that earth pillar is located in cabinet is equipped with multiple spray throwers.Temperature control device and earth pillar height, apparatus for adjusting position, radioactivity protection equipment are integrated in one by the present invention, realize earth pillar adjusting, environmental simulation, radioactivity protection purpose.
Description
Technical field
The present invention relates to radionuclide migration law study field, especially a kind of radionuclide migration earth pillar environment
Simulation box.
Background technique
The research of radionuclide migration rule, for radioactive environmental impact assessment, emergency responses of nuclear accident, nuclear facilities
Monitoring scheme formulation etc. is of great significance.But due to the particularity of radionuclide, it is existing that Large scale field can not be carried out
Experiment, the experimental study mode of most mainstream is that indoor soil-column is tested at present, therefore, how it is limited indoors under the conditions of to the greatest extent may be used
Energy approaching to reality natural conditions always are scholars' focus of Studies of Radionuclides migration.
The factor of natural environment for influencing radionuclide migration has very much, specifically includes that temperature, humidity, pressure, has anaerobic
Environment, microorganism etc., wherein study more environmental condition include specific space enrironment and extreme environment (such as alternation of wetting and drying,
Alternate freezing and thawing, hyperbaric environment) when radionuclide migration behavior.Wherein the simulation of dry wet alternating environment needs higher
Temperature and cooperate discontinuity spray mode to realize, traditional way be using adding temperature control device outside cylinder, and it is artificial between
Disconnected property spray, does so and often will cause the case where local heating's unevenness makes experiment generate error, and expend a large amount of manpowers, make reality
The personnel of testing receive additional radiation dosage.Therefore, for above soil column leaching the problem that, device can be simplified by being badly in need of one kind
Structure and reach accurate control environmental condition, but can less cost of labor earth pillar environment conditioning equipment.
Summary of the invention
The purpose of the present invention is to solve defects of the existing technology, provide a kind of radionuclide migration earth pillar ring
Border simulation box.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of radionuclide migration earth pillar environmental chamber, including cabinet, the side of cabinet are equipped with the case of rotation connection
Door, cabinet is interior to be equipped with temperature control device and earth pillar height, apparatus for adjusting position, places in earth pillar height, apparatus for adjusting position
Several earth pillars, the interior top positioned at earth pillar of cabinet are equipped with multiple spray throwers.
Further, the temperature control device includes freezing and heating bidirectional temp regulation system, refrigeration and heating bidirectional temp regulation
System includes the heating wire and condenser being arranged in cabinet wall interlayer, and the inner wall of cabinet is equipped with temperature sensor.
Further, the earth pillar height, apparatus for adjusting position include multiple lifting platforms that the bottom of box is arranged in, and are risen
The bottom for dropping platform is equipped with miniature lifting cylinder.
Further, the bottom of the cabinet is equipped with the environmental control connecting with temperature control device, and the bottom of cabinet is set
There is the cylinder controller connecting with earth pillar height, apparatus for adjusting position, the bottom of cabinet is equipped with switch.
Further, the material of the cabinet and chamber door is metallic lead.
Further, the bottom of the earth pillar is equipped with tail washings collector.
The invention has the benefit that the present invention is by temperature control device and earth pillar height, apparatus for adjusting position, radioactivity
Safeguard is integrated in one, and realizes earth pillar and adjusts (cylinder height, size are fixed), environmental simulation (consideration temperature, spray situation
Deng), the purpose of radioactivity protection (external vitriol chamber).Compared with traditional soil column leaching equipment, this experimental box is had the advantage that
(1) realize the accuracy controlling of earth pillar environmental condition: all environmental parameter conditions are completed by program, are carried out to earth pillar integrated environment
Monitoring, avoids local parameter from deviation occur;(2) simulation of dry wet alternating environment: the environment gas common as arid area is realized
Time condition, always and one of the main analog condition of nuclein migration, experimental box can accurately control spray and heating by program
Situation realizes the simulation of the dry wet alternating environment under accurate control;(3) manpower is reduced, during traditional soil column leaching, for soil
The adjusting control of column requires always a large amount of manpower and maintains, and can also generate unnecessary error, will be contracted significantly using the present invention
Subtract manpower consumption, while promoting experimental precision;(4) experimenter's dose of radiation is reduced: for radioactivity experiment, first concern
Be experimenter Radiation Protection, experimental box reduces the irradiation dose of external environment by the way of outsourcing vitriol chamber,
Promote level of security.
Detailed description of the invention
Fig. 1 is the schematic diagram of cabinet of the present invention;
Fig. 2 is the schematic internal view of cabinet of the present invention;
Fig. 3 is the inner side schematic diagram of cabinet of the present invention.
Specific embodiment
Such as Fig. 1, shown in Fig. 2, Fig. 3, a kind of radionuclide migration earth pillar environmental chamber, including cabinet 1, cabinet 1
Side is equipped with the chamber door 2 of rotation connection, and chamber door 2 is equipped with watch window 21, and the material of cabinet 1 and chamber door 2 is metallic lead, cabinet
Temperature control device and earth pillar height, apparatus for adjusting position are equipped in 1, if placing dry ground on earth pillar height, apparatus for adjusting position
Column 3, the interior top positioned at earth pillar 3 of cabinet 1 are equipped with multiple spray throwers 4.
Further, the temperature control device includes freezing and heating bidirectional temp regulation system, refrigeration and heating bidirectional temp regulation
System is made of temperature sensor, voltage comparator and control execution circuit, and should include includes being arranged in 1 inner wall interlayer of cabinet
Heating wire and condenser, temperature regulating range: 5-50 DEG C;Temperature uniformity :≤± 1 DEG C;Temperature fluctuation :≤± 1
DEG C), Ventilation Control, spraying intensity and the time control;
Earth pillar height, apparatus for adjusting position include multiple lifting platforms 5 that 1 bottom of cabinet is arranged in, the bottom of lifting platform 5
Portion is equipped with miniature lifting cylinder (not drawing).The bottom of earth pillar 3 is equipped with tail washings collector 6, and tail washings collector 6 is located on lifting platform 5.
Further, the bottom of cabinet 1 is equipped with the environmental control 7 connecting with temperature control device, and the bottom of cabinet 1 is equipped with
The bottom of the cylinder controller 8 connecting with earth pillar height, apparatus for adjusting position, cabinet 1 is equipped with switch 9.
The operating procedure of the simulation box is as follows:
1. opening power supply by switch 9, self-test in about one minute starts to operate equipment after terminating normally;
2. earth pillar 3 is packed into experimental box, soil body height and position are adjusted;
3. carrying out parameter setting according to experiment demand when band actual parameter reaches parameter preset to earth pillar environment and starting to try
It tests;
4. setting spraying intensity and trial interval open experiment after being passed through spray solution;
5. taking out sample after experiment, closing power supply.
Temperature control device and earth pillar height, apparatus for adjusting position, radioactivity protection equipment are integrated in one by the present invention, real
It is (external earth pillar adjusting (cylinder height, size fix), environmental simulation (considering temperature, spray situation etc.), radioactivity protection have been showed
Vitriol chamber) purpose.Compared with traditional soil column leaching equipment, this experimental box has the advantage that (1) realizes earth pillar environmental condition
Accuracy controlling: all environmental parameter conditions are completed by program, are monitored to earth pillar integrated environment, local parameter is avoided to occur
Deviation;(2) realize the simulation of dry wet alternating environment: the environmental weather conditions common as arid area, always and nucleic moves
One of main analog condition of shifting, experimental box can accurately control spray and ramp case by program, realize under accurate control
The simulation of dry wet alternating environment;(3) manpower is reduced, during traditional soil column leaching, the adjusting control of earth pillar is all needed always
It wants a large amount of manpower to maintain, can also generate unnecessary error, manpower consumption will be reduced using the present invention significantly, while promoting reality
Test precision;(4) reduce experimenter's dose of radiation: for radioactivity experiment, first concern be experimenter radiation it is anti-
Shield problem, experimental box reduce the irradiation dose of external environment by the way of outsourcing vitriol chamber, promote level of security.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (6)
1. a kind of radionuclide migration earth pillar environmental chamber, including cabinet, the side of cabinet is equipped with the chamber door of rotation connection,
It is characterized in that, being equipped with temperature control device and earth pillar height, apparatus for adjusting position in cabinet, earth pillar height, position adjust dress
It sets and places several earth pillars, be equipped with multiple spray throwers positioned at the top of earth pillar in cabinet.
2. a kind of radionuclide migration earth pillar environmental chamber according to claim 1, which is characterized in that the temperature
Regulation device includes freezing and heating bidirectional temp regulation system, and refrigeration and heating bidirectional temp regulation system include setting in cabinet wall folder
The inner wall of heating wire and condenser in layer, cabinet is equipped with temperature sensor.
3. a kind of radionuclide migration earth pillar environmental chamber according to claim 2, which is characterized in that the earth pillar
Highly, apparatus for adjusting position includes multiple lifting platforms that the bottom of box is arranged in, and the bottom of lifting platform is equipped with miniature lifting
Cylinder.
4. a kind of radionuclide migration earth pillar environmental chamber according to claim 1, which is characterized in that the cabinet
Bottom be equipped with the environmental control that connect with temperature control device, the bottom of cabinet is equipped with and earth pillar height, position adjust dress
The cylinder controller of connection is set, the bottom of cabinet is equipped with switch.
5. a kind of radionuclide migration earth pillar environmental chamber according to claim 1, which is characterized in that the cabinet
Material with chamber door is metallic lead.
6. a kind of radionuclide migration earth pillar environmental chamber according to claim 1, which is characterized in that the earth pillar
Bottom be equipped with tail washings collector.
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CN201811252751.7A CN109596461A (en) | 2018-10-25 | 2018-10-25 | A kind of radionuclide migration earth pillar environmental chamber |
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CN201811252751.7A CN109596461A (en) | 2018-10-25 | 2018-10-25 | A kind of radionuclide migration earth pillar environmental chamber |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111829926A (en) * | 2020-06-28 | 2020-10-27 | 中国辐射防护研究院 | Radionuclide gas inclusion band-saturation band coupling migration experimental device and method |
CN114994280A (en) * | 2022-05-24 | 2022-09-02 | 东华理工大学 | Experimental method and experimental device for nuclide rapid adsorption and migration micro-column |
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CN101788552A (en) * | 2010-01-27 | 2010-07-28 | 北京师范大学 | Device and method for simulating migration and transformation of pollutants in freeze-thawing process of soil |
CN104345013A (en) * | 2013-07-29 | 2015-02-11 | 北京大学 | Experimental device for nuclide migration study under high temperature condition |
CN103760319A (en) * | 2014-01-23 | 2014-04-30 | 东北农业大学 | Reaction device for simulating migration and transformation of soil organic pollutant |
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CN111829926A (en) * | 2020-06-28 | 2020-10-27 | 中国辐射防护研究院 | Radionuclide gas inclusion band-saturation band coupling migration experimental device and method |
CN114994280A (en) * | 2022-05-24 | 2022-09-02 | 东华理工大学 | Experimental method and experimental device for nuclide rapid adsorption and migration micro-column |
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