CN209357471U - A kind of radioactive sample cask flask - Google Patents
A kind of radioactive sample cask flask Download PDFInfo
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- CN209357471U CN209357471U CN201821850273.5U CN201821850273U CN209357471U CN 209357471 U CN209357471 U CN 209357471U CN 201821850273 U CN201821850273 U CN 201821850273U CN 209357471 U CN209357471 U CN 209357471U
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- bung
- cask flask
- radioactive sample
- staving
- radioactive
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Abstract
The utility model belongs to radioactivity place sampling field, and in particular to a kind of radioactive sample cask flask.The bung up and down of cask flask is overturning lid, compresses and seals with staving；Staving and upper and lower bung are provided with the interlayer for pouring into lead liquid.The utility model has the advantages that the technical program is convenient, fast, shield effectiveness is preferable, radioactive sample transfer difficulty is substantially reduced, the radioactive dose for controlling site operation personnel is horizontal.
Description
Technical field
The utility model belongs to radioactivity place sampling technical field of operation, and in particular to a kind of radioactive sample shielding appearance
Device.
Background technique
Domestic and international each nuclear facilities all can generate and accumulate a certain amount of radioactive liquid waste during production run, long-term to store
It is stored in Spent Radioactive liquid storage tank, is deposited with the radioactive deposite of different-thickness in radioactive liquid waste tank bottom.It is radiating
Radioactive deposite Processing Technology Research and when retired conceptual design in property waste liquor storage tank, need to be to radiating in Spent Radioactive liquid storage tank
Property deposit is sampled analysis, knows the source item information of radioactive deposite.The sampling of Spent Radioactive liquid storage tank can only pass through instrument
Table conduit carries out, and instrument conduit is higher by Spent Radioactive liquid storage tank top 30cm, and periphery, there are also other auxiliary devices, environment is complicated.
Sample radioactivity during taking out for shielding radioactive sample, the radioactive dose for controlling site operation personnel is horizontal, needs to design
A kind of preferable cask flask of shield effectiveness.
Utility model content
The purpose of this utility model is that in view of the deficienciess of the prior art, providing a kind of radioactive sample shielding appearance
Device.
The technical solution of the utility model is as follows:
A kind of radioactive sample cask flask, including staving, upper bung and lower bung；Upper bung and lower bung are convertible
Bung is compressed by fastening connection piece and staving and is sealed；Staving, upper bung and lower bung are provided with interlayer, fill in interlayer
Enter lead liquid.
Further, a pair of of handle is symmetrically arranged on the bucket outer wall.
Further, the upper bung and lower bung are connect with staving by hinge-type connecting plate.
Further, the upper bung and lower bung inner wall are provided with silicone gasket.
Further, the upper bung and lower bung are compressed by fastening connection piece and staving seals.
Further, the fastening connection piece includes eyelet bolt and wing nut.
Further, the lower bung inner wall is additionally provided with the circular protrusion of a circle as liquid dish.
Further, the calculation formula of the thickness of interlayer t is calculated as t=(lnI0- lnI)/(μ ρ), in formula: I is to penetrate
Transmitted intensity after object, I0To penetrate the transmitted intensity before object, e is natural constant, and μ is absorption system of the substance to ray
Number, ρ are the specific gravity of object, and t is thickness of interlayer.
Further, the cask flask uses stainless steel material processing and fabricating.
The utility model has the beneficial effects that:
The radioactive sample shielding transfer device of the utility model is that toxic, harmful sample extractions such as radioactive deposite mention
A set of convenient, fast, preferable technical solution of shield effectiveness has been supplied, radioactive deposite sample transfer difficulty, control are substantially reduced
The radioactive dose of site operation personnel processed is horizontal.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the schematic shapes of upper bung in Fig. 1；
Fig. 4 is the schematic shapes of lower bung in Fig. 1；
Fig. 5 is the front view of Fig. 4.
In figure: 1. stavings, 2. handles, bung on 3., 4. lower bungs, 5. hinge-type connecting plates, 6. fill lead holes, 7. fastenings connect
Fitting, 8. liquid dish.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further detail the utility model.
A kind of radioactive sample cask flask is present embodiments provided, structure is as depicted in figs. 1 and 2, including staving 1,
Handle 2, upper bung 3 and lower bung 4.Staving is cylinder, is symmetrically arranged with a pair of of handle 2 on outer wall；Upper bung 3 and lower bung
4 be convertible bung, is connect with staving 1 by hinge-type connecting plate 5, inner wall is provided with silicone gasket, by being fastenedly connected
Part 7 (eyelet bolt and wing nut) and staving 1, which compress, to be sealed.The shape of upper bung 3 as shown in figure 3, the shape of lower bung 4 such as
Shown in Fig. 4 and Fig. 5, lower 4 inner wall of bung is additionally provided with the circular protrusion of a circle as liquid dish 8, flows for accepting in sampler
Waste liquid out avoids waste liquid from leaking out cask flask.
For the radioactive dose level for reducing operator, surface dose rate level is needed to be reduced to (0.1 meter of 0.5mSv/h magnitude
Place), dosage rate level need to be reduced to 0.1mSv/h at personnel's operating position, to reach orange Qu Guanli (according to radiation protection subregion
Management require) controlled level.Therefore, staving 1, upper bung 3 and lower bung 4 are provided with interlayer, and interlayer is both needed to pour into lead liquid,
As shown in Fig. 2, 1 top of staving, which is provided with, fills lead hole 6.It presses137The source Cs determines shielding to 1/10th decaying thickness 23mm designs of lead
The filling lead thickness of transfer vessel, thickness of interlayer t calculate I=I by following calculation formula0*e-μρt(in formula: I is after penetrating object
Transmitted intensity, I0To penetrate the transmitted intensity before object, e is natural constant, and μ is substance to the absorption coefficient of ray, and ρ is object
The specific gravity of body, t are thickness of interlayer).The cask flask overall dimensions that the present embodiment uses are as follows: interior cavity diameters 80mm is high
Degree is 300mm, stainless steel material processing and fabricating.
The application method of the radioactive sample cask flask of the present embodiment in turn includes the following steps:
Radioactive sample cask flask is mounted on the shielding transfer device above Spent Radioactive liquid storage tank by step 1.
On；
Step 2. opens the upper bung 3 and lower bung 4 of cask flask, visually inspects cask flask position, cask flask bucket
Body 1 should be located at right above the instrument pore 11 on workbench 15, i.e. the surface of Spent Radioactive liquid storage tank gauge pipe；
Step 3. operation shield transfer device makes the bottom surface of cask flask drop to contact workbench；
Step 4. makes radioactive sample sampler pass through cask flask, protrudes into tank body and is sampled；Then by radioactivity sample
In the cavity for the cask flask staving 1 that product sampler above mentions；
Step 5. starting shielding transfer device, promotes cask flask and radioactive sample sampler about 30cm；Close shielding
Cask flask is rotated 180 ° to the other side by shielding transfer device, cask flask is made to be no longer at instrument by the lower bung 4 of container
Table Guan Shangfang；The Quick connection part of disengagement collar and radioactive sample sampler, is packed into sampler integrally in cask flask, closes
Close the upper bung 3 of cask flask；
Step 6. starting shielding transfer device is allowed to that cask flask movement is driven to drop to cask flask bottom close to shielding
The workbench of transfer device, that unclamps cask flask fixes and supports device, stands on cask flask surely on workbench；
Step 7. shields wirerope or 1 meter of suspender belt on 2 bolt of transfer vessel handle, manually lifts or hand-driven lifting forklift, turns
It is transported in sample packing screening arrangement, carries out sample and dispense work.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If these modifications and variations belong to the claims of the present invention and its equivalent technology range it
Interior, then the utility model is also intended to include these modifications and variations.
Claims (9)
1. a kind of radioactive sample cask flask, it is characterised in that: including staving (1), upper bung (3) and lower bung (4)；Upper bucket
It covers (3) and lower bung (4) is convertible bung, compress and seal with staving (1)；Staving (1), upper bung (3) and lower bung (4) are equal
It is provided with interlayer, interlayer is both needed to pour into lead liquid.
2. a kind of radioactive sample cask flask as described in claim 1, it is characterised in that: right on staving (1) outer wall
Title is provided with a pair of of handle (2).
3. a kind of radioactive sample cask flask as described in claim 1, it is characterised in that: the upper bung (3) and lower bucket
Lid (4) is connect with staving (1) by hinge-type connecting plate (5).
4. a kind of radioactive sample cask flask as claimed in claim 1,2 or 3, it is characterised in that: the upper bung (3) and
Lower bung (4) inner wall is provided with silicone gasket.
5. a kind of radioactive sample cask flask as claimed in claim 1,2 or 3, it is characterised in that: the upper bung (3) and
Lower bung (4) is compressed by fastening connection piece (7) and staving (1) and is sealed.
6. a kind of radioactive sample cask flask as claimed in claim 5, it is characterised in that: fastening connection piece (7) packet
Include eyelet bolt and wing nut.
7. a kind of radioactive sample cask flask as claimed in claim 6, it is characterised in that: lower bung (4) inner wall is also
The circular protrusion of a circle is provided with as liquid dish (8).
8. a kind of radioactive sample cask flask as claimed in claim 7, it is characterised in that: the thickness of interlayer t interlayer is thick
The calculation formula of degree t is calculated as t=(lnI0- lnI)/(μ ρ), I is the transmitted intensity after penetrating object in formula, and I0 is penetrator
Transmitted intensity before body, e are natural constant, and μ is absorption coefficient of the substance to ray, and ρ is the specific gravity of object, and t is thickness of interlayer.
9. a kind of radioactive sample cask flask as claimed in claim 7, it is characterised in that: the cask flask is using stainless
Steel material processing and fabricating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850273.5U CN209357471U (en) | 2018-11-12 | 2018-11-12 | A kind of radioactive sample cask flask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850273.5U CN209357471U (en) | 2018-11-12 | 2018-11-12 | A kind of radioactive sample cask flask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209357471U true CN209357471U (en) | 2019-09-06 |
Family
ID=67782550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821850273.5U Active CN209357471U (en) | 2018-11-12 | 2018-11-12 | A kind of radioactive sample cask flask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209357471U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110619969A (en) * | 2019-09-23 | 2019-12-27 | 中国核动力研究设计院 | Radiation shielding container and preparation method thereof |
| CN114509462A (en) * | 2022-02-18 | 2022-05-17 | 中国核动力研究设计院 | Scanning electron microscope shielding sample holder and system for radioactive test sample |
-
2018
- 2018-11-12 CN CN201821850273.5U patent/CN209357471U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110619969A (en) * | 2019-09-23 | 2019-12-27 | 中国核动力研究设计院 | Radiation shielding container and preparation method thereof |
| CN114509462A (en) * | 2022-02-18 | 2022-05-17 | 中国核动力研究设计院 | Scanning electron microscope shielding sample holder and system for radioactive test sample |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210727 Address after: 628000 Nanhe Jingguo Road, Lizhou District, Guangyuan City, Sichuan Province Patentee after: SICHUAN ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. CNNC Patentee after: China Nuclear environmental protection Co.,Ltd. Address before: 628000 Nanhe Jingguo Road, Lizhou District, Guangyuan City, Sichuan Province Patentee before: SICHUAN ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. CNNC |