CN109596462A - A kind of three-dimensional radioactivity Leaching Experiments equipment - Google Patents
A kind of three-dimensional radioactivity Leaching Experiments equipment Download PDFInfo
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- CN109596462A CN109596462A CN201811252760.6A CN201811252760A CN109596462A CN 109596462 A CN109596462 A CN 109596462A CN 201811252760 A CN201811252760 A CN 201811252760A CN 109596462 A CN109596462 A CN 109596462A
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Abstract
The present invention relates to a kind of three-dimensional radioactivity Leaching Experiments equipment, including cylinder, spraying mechanism, source item layer are successively arranged in cylinder from top to bottom, solid phase samples layer and liquid phase samples layer, between source item layer and solid phase sampling layer, solid phase samples and is equipped with dielectric layer between layer and liquid phase sampling layer, and solid phase sampling layer includes solid phase sampling layer dielectric, and solid phase samples layer dielectric and is equipped with multiple sampling holes, solid product to be sampled are placed in sampling hole, wrap up permeable membrane on the outside of solid product to be sampled；Liquid phase sampling layer includes liquid phase sampling layer dielectric, and liquid phase samples and is equipped with multiple liquid flowing tubes in layer dielectric, and the top opening of liquid flowing tube and the surface for extending to liquid phase sampling layer dielectric, the top opening of liquid flowing tube are covered with permeable membrane.The equipment is using the multilayer column structure that can freely assemble, and by separating sample acquisition layer with dielectric layer, greatly simplifies the collection step of solid, liquid two-phase sample, and it is difficult fundamentally to solve the problems, such as that sample obtains.
Description
Technical field
The present invention relates to three-dimensional radionuclide migration characteristic field is studied, especially a kind of three-dimensional radioactivity Leaching Experiments
Equipment.
Background technique
The be Studies of Radionuclides migration characteristic in aeration zone and putting in radioactive pollution soil, uranium ore waste residue
Penetrating property nucleic dissolved corrosion, Leaching Experiments always are main research means.By the direction of radionuclide migration, can will drench
Filter experiment is divided into one-dimensional Leaching Experiments, two-dimentional Leaching Experiments and three-dimensional Leaching Experiments, wherein three-dimensional experiment be most can be objective
Reflect the research mode of nucleic actual migration rule.
For three-dimensional Leaching Experiments, tests difficult point and be concentrated mainly on liquid phase, solid phase on different migratory directions (X, Y, Z)
The acquisition of sample, traditional solution are by the way of cylinder disintegration, by cylinder cutting equipment by different longitudinal depth
And the solid-phase media sample of transverse plane takes out, and liquid phase sample can only collect tail portion discharge liquid.This sample mode one
Aspect can generate a large amount of radioactive waste and if misoperation will cause a large amount of pollutions；On the other hand, prolonged contact
Radioactive sample can greatly increase experimenter's dosage.Therefore, for radioactivity three-dimensional Leaching Experiments, being badly in need of one kind can simplify
Sampling step can improve the experimental provision of laboratory sample precision simultaneously again.
Summary of the invention
The purpose of the present invention is to solve defect of the existing technology, a kind of three-dimensional radioactivity Leaching Experiments are provided and are set
It is standby.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of three-dimensional radioactivity Leaching Experiments equipment, including cylinder are successively arranged spraying mechanism, source in cylinder from top to bottom
Layer, solid phase samples layer and liquid phase samples layer, solid phase sample the quantity of layer and liquid phase sampling layer be multiple and in cylinder staggeredly
Distribution, between source item layer and solid phase sampling layer, solid phase samples and is equipped with dielectric layer between layer and liquid phase sampling layer；
The source item layer includes the source item layer permeable membrane being fixed on the cylinder, is uniformly laid with and puts on source item layer permeable membrane
The solid dielectric mixture of penetrating property source of release and adsorptivity difference；
The solid phase sampling layer includes solid phase sampling layer dielectric, and solid phase samples layer dielectric and is equipped with multiple sampling holes,
Solid product to be sampled are placed in sampling hole, wrap up permeable membrane on the outside of solid product to be sampled；
The liquid phase sampling layer includes liquid phase sampling layer dielectric, and liquid phase, which samples, is equipped with multiple liquid flowing tubes in layer dielectric,
The top opening of liquid flowing tube and the surface for extending to liquid phase sampling layer dielectric, the top opening of liquid flowing tube are covered with permeable membrane.
Further, the spraying mechanism includes the multiple equally distributed spray heads being arranged at the top of the cylinder, spray head
Bottom is equipped with cloth flowing plate, and cloth flowing plate is equipped with several cloth discharge orifices, and cloth flowing plate is located above source item layer.
Further, the solid dielectric in the source item layer is quartz.
Further, the bottom of cylinder is equipped with tail washings collecting layer, is equipped with multiple tails connecting with tail washings collecting layer below cylinder
Liquid sampling bottle, the side of cylinder bottom connect overflow pipe, and overflow pipe is equipped with switch.
Further, the medium in the dielectric layer is that the original state test medium that field is fetched is decomposed by layer height, the number of plies.
Further, the inner wall of the cylinder is handled by feather plucking.
Further, the spray head connects water supplying pipe.
Further, the main body is formed by multistage cylinder unit spliced, is threadedly coupled or is welded between cylinder unit.
The invention has the benefit that the equipment uses the multilayer column structure that can freely assemble, by acquiring sample
Layer (multiple staggered solid phase sampling layers and liquid phase sample layer) is separated with dielectric layer, greatly simplifies solid, liquid two-phase sample
Collection step, it is difficult fundamentally to solve the problems, such as that sample obtains, while also improving the precision and quality of sample.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the schematic diagram that liquid phase of the present invention samples layer；
Fig. 3 is the schematic diagram that solid phase of the present invention samples layer；
Fig. 4 is the distribution schematic diagram that solid phase of the present invention samples sampling hole on layer dielectric.
Specific embodiment
As shown in Figures 1 to 4, a kind of three-dimensional radioactivity Leaching Experiments equipment, including cylinder 1, main body is by multistage cylinder list
Member is spliced, and is threadedly coupled or welds between cylinder unit, is successively arranged spraying mechanism 2, source item layer from top to bottom in cylinder 1
3, solid phase sampling layer 4 and liquid phase sample layer 5, and solid phase samples layer 4 and the quantity of liquid phase sampling layer 5 is multiple and interlocks in cylinder
Distribution, between source item layer 3 and solid phase sampling layer 4, solid phase samples and is equipped with dielectric layer 6 between layer 4 and liquid phase sampling layer 5；Dielectric layer 6
Interior medium is that the original state test medium that field is fetched is decomposed by layer height, the number of plies.
Soil column leaching is primarily used to migration row of the Studies of Radionuclides in surrounding medium (including soil, rock etc.)
For or Studies of Radionuclides preservation medium (such as radioactivity mine tailings, by the soil of radioactive pollution) put after water body elutes
The experiment of the dissolved corrosion of penetrating property substance, the test medium of dielectric layer 6 in the present invention just includes surrounding medium and radioactive nucleus
It includes that disturbance experiments medium (such as is fetched from field that plain preservation medium, the in general test medium of dielectric layer 6, which can be divided into two classes,
Earth pillar is artificially loaded after soil) (in field, site environment will seek pedotheque by earth pillar and directly fill out with original state test medium
Dress), currently, such research was increasingly intended to using original state test medium (because can reflect field real environmental conditions).
Source item layer 3 includes the source item layer permeable membrane 31 being fixed on cylinder 1, is uniformly laid with radiation on source item layer permeable membrane 31
The solid dielectric mixture of property source of release and adsorptivity difference.Solid dielectric in source item layer is quartz.
It includes that solid phase samples layer dielectric 41 that solid phase, which samples layer 4, and solid phase samples layer dielectric 41 and is equipped with multiple sampling holes
42, sampling hole 42 is interior to place solid product 43 to be sampled, permeable membrane 44 is wrapped up on the outside of solid product to be sampled, which has to radioactivity
The characteristics of nucleic suction-operated is small, toughness is strong and energy completely isolated solid-phase media.
It should be noted that according to the difference of experiment purpose, the type of solid product 43 to be sampled is not also just as such as studying
In radioactivity tailing waste residue when the dissolution mechanism of radionuclide, solid product 43 to be sampled are tailings；Work as Studies of Radionuclides
When migratory behaviour in soil media, solid product 43 to be sampled are soil.Solid product to be sampled are specially on specific position
Radionuclide preservation medium or migration retarding medium.
It includes that liquid phase samples layer dielectric 51 that liquid phase, which samples layer 5, and liquid phase samples layer dielectric 51, and solid phase samples layer dielectric
41 material is as the material of the dielectric layer 6.
Liquid phase samples and is equipped with multiple liquid flowing tubes 52 in layer dielectric 51, and the top opening of liquid flowing tube 52 simultaneously extends to liquid phase and takes
The surface of sample layer dielectric 51, the top opening of liquid flowing tube 52 are covered with permeable membrane 53.The film, which has, adsorbs radionuclide
Act on small, toughness it is strong and can completely isolated solid-phase media the characteristics of.
Spraying mechanism 2 includes multiple equally distributed spray heads 21 that 1 top of cylinder is arranged in, and the connection of spray head 21 is supplied water
Pipe, the bottom of spray head 21 are equipped with cloth flowing plate 22, and cloth flowing plate 22 is equipped with several cloth discharge orifices, and cloth flowing plate 22 is located at 3 top of source item layer.
Further, the bottom of cylinder 1 is equipped with tail washings collecting layer 7, connect equipped with multiple with tail washings collecting layer 7 below cylinder 1
Tail washings sampling bottle 8, the side of 1 bottom of cylinder connects overflow pipe 9, and overflow pipe 9 is equipped with switch 10.
Further, the permeable membrane material of source item layer permeable membrane 31 and permeable membrane 53 is that one kind mainly utilizes dialysis principle to carry out
Solid dielectric and liquid medium analysis experimental material, be mainly used at present macromolecular purification, protein concentration situations such as, material
Material is regenerated cellulose (RC).
Further, the inner wall of cylinder 1 is handled by feather plucking, and to reduce the generation of tube wall stream, liquid phase sampling layer 5, solid phase are taken
The quantity of sample layer 4 and position can pacify experimental design requirement independent assortment, lay principle as solid phase sampling layer 4 and sample layer in liquid phase
5 tops, and reduce the quantity of liquid phase sampling layer 5 to the greatest extent, when processing, the water (liquid) that spray head 21 sprays is initially positioned at cloth flowing plate 22
On, dielectric layer 6 is uniformly exported and entered by cloth flowing plate 22, samples layer 4 then into solid phase, it will be outside solid product to be sampled
After being embedded to test medium after packet permeable membrane, solid phase sampling layer separation is taken out sample when sampling by free flow, and liquid flows into
When sampling layer 5 to liquid phase, liquid enters in liquid flowing tube 52 by permeable membrane 53, in addition to the sample penetrated into liquid flowing tube 52,
Extraction raffinate body will continue to flow downward, and liquid phase can be sampled layer after experiment and taken out, and with liquid-transfering gun by the liquid in liquid flowing tube 52
Body is sucked out.In addition, the bottom of cylinder 1 is equipped with tail washings collecting layer 7, multiple tails connecting with tail washings collecting layer 7 are equipped with below cylinder 1
Liquid sampling bottle 8, the side of 1 bottom of cylinder connect overflow pipe 9, and overflow pipe 9 is equipped with switch 10, can be with by tail washings sampling bottle 8
Tail washings is collected, extra tail washings can be discharged by overflow pipe 9.
The specific operation method is as follows for the equipment:
(3) operating method
1. requiring according to experimental design, spraying intensity is calculated, configures experimental water；
2. determining cylinder sizes and width by preliminary experiment and digital-to-analogue result and sampling the number and distribution of layer；
3. test medium is filled into cylinder, and the integral column structure of multiple cylinder unit groups is connected, composition leaching
Filter experimental facilities；
4. opening spray head, such as constructing aeration zone environment can access air suction filter pump, stop experiment after experimental period reaches
And cylinder is split, obtain laboratory sample；
5. terminating to test.
The equipment is using the multilayer column structure that can freely assemble, by the way that by sample acquisition layer, (multiple staggered consolidates
Mutually sampling layer and liquid phase sample layer) it is separated with dielectric layer, greatly simplify the collection step of solid, liquid two-phase sample, fundamentally
It is difficult to solve the problems, such as that sample obtains, while also improving the precision and quality of sample.
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 (8)
1. a kind of three-dimensional radioactivity Leaching Experiments equipment, including cylinder, which is characterized in that be successively arranged spray in cylinder from top to bottom
Mechanism, source item layer are drenched, solid phase samples layer and liquid phase samples layer, and it is multiple and in column that solid phase, which samples layer and the quantity of liquid phase sampling layer,
It is interspersed in vivo, between source item layer and solid phase sampling layer, solid phase samples and is equipped with dielectric layer between layer and liquid phase sampling layer；
The source item layer includes the source item layer permeable membrane being fixed on the cylinder, is uniformly laid with radioactivity on source item layer permeable membrane
The solid dielectric mixture of source of release and adsorptivity difference；
The solid phase sampling layer includes solid phase sampling layer dielectric, and solid phase samples layer dielectric and is equipped with multiple sampling holes, sampling
Solid product to be sampled are placed in hole, wrap up permeable membrane on the outside of solid product to be sampled；
The liquid phase sampling layer includes liquid phase sampling layer dielectric, and liquid phase, which samples, is equipped with multiple liquid flowing tubes in layer dielectric, takes liquid
The top opening of pipe and the surface for extending to liquid phase sampling layer dielectric, the top opening of liquid flowing tube are covered with permeable membrane.
2. a kind of three-dimensional radioactivity Leaching Experiments equipment according to claim 1, which is characterized in that the spraying mechanism packet
The multiple equally distributed spray heads being arranged at the top of the cylinder are included, the bottom of spray head is equipped with cloth flowing plate, if cloth flowing plate is equipped with
Dry cloth discharge orifice, cloth flowing plate are located above source item layer.
3. a kind of three-dimensional radioactivity Leaching Experiments equipment according to claim 1 or 2, which is characterized in that the source item layer
Interior solid dielectric is quartz.
4. a kind of three-dimensional radioactivity Leaching Experiments equipment according to claim 3, which is characterized in that the bottom of cylinder is equipped with
Tail washings collecting layer, cylinder lower section are equipped with multiple tail washings sampling bottles connecting with tail washings collecting layer, and the side connection of cylinder bottom is overflow
Flow tube, overflow pipe are equipped with switch.
5. a kind of three-dimensional radioactivity Leaching Experiments equipment according to claim 1, which is characterized in that in the dielectric layer
Medium is that the original state test medium that field is fetched is decomposed by layer height, the number of plies.
6. a kind of three-dimensional radioactivity Leaching Experiments equipment according to claim 5, which is characterized in that the inner wall of the cylinder
It is handled by feather plucking.
7. a kind of three-dimensional radioactivity Leaching Experiments equipment according to claim 2, which is characterized in that the spray head connection supplies
Water pipe.
8. a kind of three-dimensional radioactivity Leaching Experiments equipment according to claim 2, which is characterized in that the main body is by multistage
Cylinder unit spliced forms, and is threadedly coupled or welds between cylinder unit.
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| CN201811252760.6A CN109596462B (en) | 2018-10-25 | 2018-10-25 | Three-dimensional radioactive leaching experimental equipment |
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| CN201811252760.6A CN109596462B (en) | 2018-10-25 | 2018-10-25 | Three-dimensional radioactive leaching experimental equipment |
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| CN109596462A true CN109596462A (en) | 2019-04-09 |
| CN109596462B CN109596462B (en) | 2021-07-23 |
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Cited By (2)
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| CN109813634A (en) * | 2019-01-01 | 2019-05-28 | 中国人民解放军63653部队 | For obtaining the improvement electromigration experimental technique of nuclein migration parameter |
| CN112730569A (en) * | 2020-12-09 | 2021-04-30 | 中国原子能科学研究院 | Electromigration device and method for acquiring nuclide migration parameters |
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