CN207947074U - Screening arrangement - Google Patents

Screening arrangement Download PDF

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Publication number
CN207947074U
CN207947074U CN201720615906.3U CN201720615906U CN207947074U CN 207947074 U CN207947074 U CN 207947074U CN 201720615906 U CN201720615906 U CN 201720615906U CN 207947074 U CN207947074 U CN 207947074U
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CN
China
Prior art keywords
steel
screen unit
lining
screening arrangement
screening
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Expired - Fee Related
Application number
CN201720615906.3U
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Chinese (zh)
Inventor
王亮
叶远虑
王昆鹏
乔亚华
李俊峰
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Tsinghua University
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Tsinghua University
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Priority to CN201720615906.3U priority Critical patent/CN207947074U/en
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Publication of CN207947074U publication Critical patent/CN207947074U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of screening arrangement, belongs to Radwastes treatment technical field, can be used for Spent Radioactive water treatment system.Screening arrangement includes two or more screen units of detachable connection;Each screen unit includes the steel lining being stacked from inside to outside successively, lead interlayer and steel outer lining;Each screen unit has for accommodating by the accommodating cavity of shielding object, and the accommodating cavity of two or more screen units of detachable connection is connected.The screening arrangement that the utility model embodiment provides includes accommodating cavity and lead interlayer, and Spent Radioactive waterpipe can be placed in accommodating cavity by when use, and lead interlayer can shield radioactive ray, ensure the safety of operating personnel.

Description

Screening arrangement
Technical field
The utility model belongs to Radwastes treatment technical field more particularly to a kind of screening arrangement.
Background technology
The emphasis of Spent Radioactive water technology is the decontamination factor for improving radioactive wastewater, the radiation in making discharge be discharged The concentration of property nucleic is as low as possible, and keeps the volume of radioactivity concentrate small as possible.Under current technical conditions both at home and abroad, radiation Property waste water film processing system has higher decontamination factor, application relatively broad.During radioactive wastewater film process, after concentration Radioactive liquid waste can be accumulated in concentration stage film, cause in operating environment radioactive dosage to increase, need shielding protection and arrange Apply guarantee personnel's equipment safety.
Utility model content
The utility model embodiment provides a kind of screening arrangement, can be shielded to Spent Radioactive waterpipe.
In a first aspect, providing a kind of screening arrangement, it is used for Spent Radioactive water treatment system, includes the two of detachable connection A or multiple screen units;Each screen unit includes the steel lining being stacked from inside to outside successively, lead interlayer and steel outer lining; Each screen unit has for accommodating by the accommodating cavity of shielding object, two or more screen units of detachable connection Accommodating cavity be connected.
In the first possible implementation, each screen unit is cylindrical in shape structure.
In conjunction with above-mentioned possible realization method, in second of possible realization method, in two or more screen units It is positioned in such a way that Step Shaft and hole coordinate between adjacent shields unit.
In conjunction with above-mentioned possible realization method, in the third possible realization method, the axis in Step Shaft and hole cooperation And/or the surface in hole is the conical surface.
In conjunction with above-mentioned possible realization method, in the 4th kind of possible realization method, screen unit further includes two and carries Hand, handle are set to the outer surface of steel outer lining.
In conjunction with above-mentioned possible realization method, in the 5th kind of possible realization method, the outer surface of handle and steel outer lining Between for rotation connection, perpendicular to the radial direction of steel outer lining, handle is configured to be bonded with outer surface for the shaft of rotation connection It is rotated between the state vertical with outer surface.
In conjunction with above-mentioned possible realization method, in the 6th kind of possible realization method, screen unit further includes reinforcement pins, Reinforcement pins run through the unilateral wall body of screen unit.
In conjunction with above-mentioned possible realization method, in the 7th kind of possible realization method, the thickness of steel lining is 3mm, interior Diameter is 230mm.
In conjunction with above-mentioned possible realization method, in the 8th kind of possible realization method, the thickness of lead interlayer is 20mm.
In conjunction with above-mentioned possible realization method, in the 9th kind of possible realization method, the thickness of steel outer lining is 3mm, outside Diameter is 282mm.
The screening arrangement that the utility model embodiment provides includes accommodating cavity and lead interlayer, and when use can be by Spent Radioactive Waterpipe is placed in accommodating cavity, and lead interlayer can shield radioactive ray, ensure the safety of operating personnel.
Description of the drawings
It, below will be in the utility model embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Required attached drawing is briefly described, it should be apparent that, drawings described below is only the one of the utility model A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the screening arrangement provided according to the utility model one embodiment;
Fig. 2 is the structural schematic diagram of screen unit in Fig. 1;
Fig. 3 is the sectional view of screen unit in Fig. 2.
Wherein:
The first screen units of 110-, 120- secondary shielding units, 130- third screen units, the 4th screen units of 140-;
111- steel linings, 112- lead interlayers, 113- steel outer linings, the positioning regions 114-, 115- stage portions, the first handles of 116-, The second handles of 117-, 118- reinforcement pins.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model Example is applied, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts all belongs to In the range of the utility model protection.
In the following detailed description, it is proposed that many details, in order to provide the comprehensive understanding to the utility model. But it will be apparent to those skilled in the art that the utility model can be in not needing these details Implement in the case of some details.Below the description of embodiment is used for the purpose of carrying by showing the example of the utility model For being better understood to the utility model.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The utility model embodiment discloses a kind of radiation shielded container for belonging to Spent Radioactive water treatment field, the shielding Container is combined using lead and stainless steel, removable to be divided into multistage, is coordinated using stepped ramp type between different sections, can be to film process The higher part of system high power concentration stage radiation level is shielded, to realize that the Net long wave radiation to staff protects.
Referring to figs. 1 to Fig. 3, Fig. 1 is the structural representation of the screening arrangement 100 provided according to the utility model one embodiment Figure, Fig. 2 are the structural schematic diagram of screen unit 110 in Fig. 1, and Fig. 3 is the sectional view of screen unit 110 in Fig. 2.
Screening arrangement 100 is used for Spent Radioactive water treatment system, including the first screen unit 110, secondary shielding unit 120, third screen unit 130 and the 4th screen unit 140 are detachable connection between four.The quantity of screen unit can To be arranged according to actual needs, in some optional embodiments, the quantity of screen unit can be more or less.Four shieldings Unit structure having the same is described in detail by taking the first screen unit 110 as an example below.
First screen unit 110 is whole cylindrical, has for accommodating by the accommodating cavity of shielding object.Four shieldings Its accommodating cavity forms cylindrical space after unit is combined into one, and inside can accommodate the objects such as pipeline.In some alternative embodiments In, the first screen unit 110 can also be according to the shape for being shaped to such as square tube by screen.
First screen unit 110 include steel lining 111, lead interlayer 112, steel outer lining 113, positioning region 114, stage portion 115, First handle 116, the second handle 117 and reinforcement pins 118.Steel lining 111, lead interlayer 112 and steel outer lining 113 are successively from inside to outside It is stacked.
Steel lining 111 is steel tube structure.Steel lining 111 is stainless steel steel cylinder in the present embodiment, and thickness 3mm, internal diameter are 230mm.It is provided with four groups of through-holes on the wall body of steel lining 111, four groups of through-holes angularly circular array centered on the center line of cylinder Column distribution.The quantity of every group of through-hole is two, and two through-holes in same group of through-hole are distributed along the axially spaced-apart of steel lining 111. A diameter of 4mm of reinforcement pins 118 in the present embodiment, the diameter of reinforcement pins 118 can also be bigger in some optional embodiments Or smaller.
Lead interlayer 112 is cylindrical shape.Lead interlayer 112 is lead, internal diameter 236mm, wall thickness 20mm in the present embodiment.Lead Four groups of through-holes, and the position between the hole in the position relationship and every group of through-hole between four groups of through-holes are also equipped on interlayer 112 Relationship is consistent with the position relationship of through-hole in steel lining 111.Lead interlayer 112 be set in steel lining 111 it is outer when, the through-hole of the two is equal It can be aligned.
Steel outer lining 113 is cylindrical shape.Steel outer lining 113 is stainless steel steel cylinder in the present embodiment, and internal diameter 276mm, thickness are 3mm, outer diameter 282mm.Be also equipped with four groups of through-holes on steel outer lining 113, and position relationship between four groups of through-holes and every group it is logical The position relationship between hole in hole is consistent with the position relationship of through-hole in steel lining 111.Steel outer lining 113 is set in lead interlayer 112 it is outer when, the through-hole of steel lining 111, lead interlayer 112 and steel outer lining 113 can be aligned.
Reinforcement pins 118 are straight pin, through steel lining 111, the through-hole of lead interlayer 112 and steel outer lining 113, eliminate three Between rotational freedom.
First handle 116 and the second handle 117 are U-shaped handle, are set to the outer surface of steel outer lining 113.First handle 116 And second be rotation connection between handle 117 and the outer surface of steel outer lining 113, and the shaft being rotatablely connected is along steel outer lining 113 Radial setting.First handle 116 and the second handle 117 are configured to be bonded with the outer surface of steel outer lining 113 and vertical It is rotated between state.That is, can be sagging because of its own gravity without using handle when handle;When use it is both rotatable make the two where Plane perpendicular to the first screen unit 110 axis, so as to which the first screen unit 110 is lifted.Specifically, steel outer lining The part being connect with the first handle 116 on 113 is two inverted " L " shape components, including two vertical wall bodies, one of them Wall body and the first handle 116, which are formed, to be rotatablely connected, another wall body forms the limit to the first handle 116.First handle 116 The outer surface of the first screen unit 110, the space occupied smaller can be bonded when sagging substantially with the second handle 117.At some In alternative embodiment, the first handle 116 and the second handle 117 may be set to be and be fixed on 113 outer surface of steel outer lining.
Steel lining 111, lead interlayer 112 and steel outer lining 113 form the tubular structure with relatively thick.In tubular structure It is provided with positioning region 114 on one end face, stage portion 115 is provided on another end face.In the present embodiment, positioning region 114 is Sunk area, the sunk area are column, and the inner surface of sunk area is anchor ring, and diameter be more than steel lining 111 internal diameter, Less than the outer diameter of steel outer lining 113.Stage portion 115 is step axle construction, and periphery diameter is equal to the anchor ring of positioning region 114 Diameter.In some optional embodiments, stage portion 115 can be conical structure, that is, have outer conical surface;Positioning region 114 can be with For the inner circle wimble structure with cone angle equal with the outer conical surface of stage portion 115, it may be implemented to make heart function by oneself, prevent radioactivity The process of assembly is facilitated while leakage radiation.
Secondary shielding unit 120, third screen unit 130 and the 4th screen unit 140 have and the first screen unit 110 Identical structure.
In use, the positioning region realization that the stage portion 115 of the first screen unit 110 can be inserted into secondary shielding unit 120 is fixed Position cooperation, the positioning region that the stage portion of secondary shielding unit 120 is inserted into third screen unit form location fit, and so on four It is detachably connected by the formation of the form of shaft hole matching between person.
In Spent Radioactive water treatment procedure, concentration film can be placed uprightly, and pipeline is all accessed from lower part, the utility model The screening arrangement of offer can surround pipeline and be arranged, and lead interlayer can realize the shielding of concentration film.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in various Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this practicality Novel protection domain should be subject to the protection scope in claims.

Claims (10)

1. a kind of screening arrangement, be used for Spent Radioactive water treatment system, which is characterized in that two including detachable connection or Multiple screen units;
Each screen unit includes the steel lining being stacked from inside to outside successively, lead interlayer and steel outer lining;
Each screen unit has for accommodating by the accommodating cavity of shielding object, two of the detachable connection or The accommodating cavity of multiple screen units is connected.
2. screening arrangement according to claim 1, which is characterized in that each screen unit is cylindrical in shape structure.
3. screening arrangement according to claim 1, which is characterized in that adjacent shields in described two or multiple screen units It is positioned in such a way that Step Shaft and hole coordinate between unit.
4. screening arrangement according to claim 3, which is characterized in that the Step Shaft and the axis in the cooperation of hole and/or hole Surface be the conical surface.
5. according to any screening arrangements of claim 2-4, which is characterized in that the screen unit further includes two and carries Hand, the handle are set to the outer surface of the steel outer lining.
6. screening arrangement according to claim 5, which is characterized in that between the handle and the outer surface of the steel outer lining For rotation connection, the shaft of the rotation connection perpendicular to the steel outer lining radial direction, the handle be configured to institute It states and is rotated between outer surface fitting and the state vertical with the outer surface.
7. according to any screening arrangements of claim 2-4, which is characterized in that the screen unit further includes reinforcement pins, The reinforcement pins run through the unilateral wall body of the screen unit.
8. according to any screening arrangements of claim 1-4, which is characterized in that the thickness of the steel lining is 3mm, internal diameter For 230mm.
9. according to any screening arrangements of claim 1-4, which is characterized in that the thickness of the lead interlayer is 20mm.
10. according to any screening arrangements of claim 1-4, which is characterized in that the thickness of the steel outer lining is 3mm, outside Diameter is 282mm.
CN201720615906.3U 2017-05-27 2017-05-27 Screening arrangement Expired - Fee Related CN207947074U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720615906.3U CN207947074U (en) 2017-05-27 2017-05-27 Screening arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720615906.3U CN207947074U (en) 2017-05-27 2017-05-27 Screening arrangement

Publications (1)

Publication Number Publication Date
CN207947074U true CN207947074U (en) 2018-10-09

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Application Number Title Priority Date Filing Date
CN201720615906.3U Expired - Fee Related CN207947074U (en) 2017-05-27 2017-05-27 Screening arrangement

Country Status (1)

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CN (1) CN207947074U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110189844A (en) * 2019-05-15 2019-08-30 中国辐射防护研究院 Hot spot screening arrangement is radiated at a kind of modularized combination type pipeline end cap
CN111462932A (en) * 2020-03-20 2020-07-28 中国辐射防护研究院 Self-adaptive keel type lead-free shielding device special for glove box pipeline shielding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110189844A (en) * 2019-05-15 2019-08-30 中国辐射防护研究院 Hot spot screening arrangement is radiated at a kind of modularized combination type pipeline end cap
CN111462932A (en) * 2020-03-20 2020-07-28 中国辐射防护研究院 Self-adaptive keel type lead-free shielding device special for glove box pipeline shielding

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181009

Termination date: 20190527