CN204926818U - Removable irradiation supervise sample box - Google Patents
Removable irradiation supervise sample box Download PDFInfo
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- CN204926818U CN204926818U CN201520663613.3U CN201520663613U CN204926818U CN 204926818 U CN204926818 U CN 204926818U CN 201520663613 U CN201520663613 U CN 201520663613U CN 204926818 U CN204926818 U CN 204926818U
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- irradiation sample
- sample
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Abstract
The utility model provides a removable irradiation supervise sample box, its characterized in that is applied to pressure vessel, include: the metal bag, the metal bag is installed on pressure vessel's inner wall, the metal bag is equipped with and holds the chamber, irradiation supervise sample, but irradiation supervise sample plug ground holding in the appearance intracavity of metal bag, the removable sample box seat of honour, the removable sample box seat of honour pass through the bolt with the connection can be dismantled to the metal bag, the removable sample box seat of honour is used for preventing irradiation supervise sample breaks away from the appearance chamber of metal bag. Accord with the utility model discloses irradiation supervise sample among the removable irradiation supervise sample box of preferred embodiment is connected through removable mode and metal bag, the removable sample box seat of honour, avoids during extraction irradiation supervise sample can making irradiation supervise sample used repeatedly, greatly reduced manufacturing cost to irradiation supervise sample cutting.
Description
Technical field
The utility model relates to a kind of removable irradiation sample box, particularly relates to a kind of removable irradiation sample box being applied to reactor pressure vessel.
Background technology
Domestic nuclear power station, for gulf, field nuclear power station, what adopt is Russian VVER-1000 type presurized water reactor unit, the type of reactor is V-428, the installation site of pressure vessel irradiation control sample is the inwall of pressure vessel, its installation form adopted is: welded and installed 6 groups totally 12 metal bag on the inner wall overlaying layer of the pressure vessel of the distance flange face 6795mm degree of depth, irradiation sample inserts in metal bag, be that irradiation sample is welded in metal bag by the stainless steel weld joint of 100mm by length, come off from metal bag to prevent irradiation sample in reactor operation process.
According to designing requirement, extract 1 group of totally 2 irradiation sample respectively at the 5th, 9,17 year needs of unit operation, the rear time extracted for 3 times is determined according to the result 3 times analyzed.In the process of irradiation sample extraction, need the mode taking submerge arc to cut to be cut away by the weld seam between irradiation sample and metal bag, put into cask to be extracted out from metal bag by irradiation sample box.And the irradiation sample that the mode adopting electric arc to cut extracts cannot be reused, cost improves.
Therefore, how to allow irradiation sample repeatedly can use to reduce production cost and become problem demanding prompt solution.
Utility model content
The utility model, for the deficiencies in the prior art, proposes a kind of removable irradiation sample box.
The utility model provides a kind of removable irradiation sample box, is applied to pressure vessel, comprises:
Metal bag; Described metal bag is arranged on the inwall of pressure vessel; Described metal bag is provided with cavity volume;
Irradiation sample; Described irradiation sample is placed in the cavity volume of described metal bag pluggablely;
The removable sample box seat of honour; The described removable sample box seat of honour is removably connected by bolt and described metal bag; The described removable sample box seat of honour departs from the cavity volume of described metal bag for stoping described irradiation sample.
Preferably, at least one holding screw is also comprised; Described holding screw runs through the described removable sample box seat of honour and described irradiation sample successively, moves up and down for limiting described irradiation sample.
Preferably, the quantity of described holding screw is two; Two described holding screw intervals are arranged.
Preferably, two gathering sills are also comprised; Described two gathering sill intervals are arranged; The two ends of described irradiation sample are respectively equipped with the projection adapted with described gathering sill; The projection at described irradiation sample two ends is inserted in two described gathering sills respectively.
Preferably, described gathering sill is arranged on the inwall of pressure vessel by the mode of welding.
Preferably, described metal bag is arranged on the inwall of pressure vessel by the mode of welding.
Compared with prior art, the utility model has following beneficial effect:
1, meet in the removable irradiation sample box of the utility model preferred embodiment, irradiation sample is placed in the cavity volume of metal bag, the removable sample box seat of honour is removably connected by bolt and metal bag, by the barrier of its upper end, irradiation sample being barred from the cavity volume of metal bag, coming off from metal bag for preventing irradiation sample in reactor operation process.Be connected with metal bag compared with the mode of irradiation sample by welding, the irradiation sample met in the removable irradiation sample box of the utility model preferred embodiment is connected with metal bag, the removable sample box seat of honour by removable mode, avoid cutting irradiation sample when extracting irradiation sample, irradiation sample can be made to reuse, greatly reduce production cost.
2, holding screw is adopted to run through the described removable sample box seat of honour and described irradiation sample successively, move up and down for limiting described irradiation sample, prevent irradiation sample in reactor operation process from teetertottering, improve the stability of irradiation sample.
3, gathering sill is set in the both sides of irradiation sample, and the projection at irradiation sample two ends is inserted in two gathering sills respectively, prevent irradiation sample double swerve in reactor operation process, improve the stability of irradiation sample.
4, the applicability meeting the removable irradiation sample box of the utility model preferred embodiment is strong, except being applicable to reactor pressure vessel, can also be applicable to the field that other need to lay irradiation sample.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the removable irradiation sample box meeting the utility model preferred embodiment.
The A-A cut-open view that Fig. 2 is structure shown in Fig. 1.
The B-B cut-open view that Fig. 3 is structure shown in Fig. 1.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail the utility model below in conjunction with the drawings and specific embodiments.
As illustrated in fig. 1 and 2, be removable irradiation sample box.Removable irradiation sample box is applied to pressure vessel, comprising:
Metal bag 1, metal bag 1 is arranged on the inwall 01 of pressure vessel.Metal bag 1 is provided with cavity volume 11.
Irradiation sample 2, irradiation sample 2 is placed in the cavity volume 11 of metal bag 1 pluggablely.
The removable sample box seat of honour 3.The lower end at the removable sample box seat of honour 3 is removably connected by bolt 4 and metal bag 1.Described irradiation sample 2 is barred from the cavity volume 11 of metal bag 1 by the barrier 31 of upper end, the removable sample box seat of honour 3, prevents irradiation sample 2 in reactor operation process from coming off from the cavity volume 11 of metal bag 1.
Irradiation sample 2 in the removable irradiation sample box of the present embodiment is placed in the cavity volume 11 of metal bag 1 pluggablely, and be barred from the cavity volume 11 of metal bag 1 by the barrier 31 of the upper end, the removable sample box seat of honour 3 be arranged on by bolt in metal bag 1, thus irradiation sample 2 in reactor operation process is avoided to come off from the cavity volume 11 of metal bag 1.When needs extract irradiation sample 2, the removable sample box seat of honour 3 is only needed to disassemble from metal bag 2, get final product upwards withdrawing irradiation sample 2, irradiation sample 2 is extracted in the cavity volume 11 of metal bag 1, be connected with metal bag compared with the mode of irradiation sample by welding, irradiation sample can be made to reuse, greatly reduce production cost.
Preferably, removable irradiation sample box also comprises at least one holding screw 5.Holding screw 5 runs through the removable sample box seat of honour 3 and irradiation sample 2 successively, moving up and down, preventing irradiation sample 2 in reactor operation process from teetertottering for limiting described irradiation sample 2, improves the stability of irradiation sample 2.The number of holding screw 5 is two, and two holding screw intervals are arranged.
As shown in Figure 3, preferably, removable irradiation sample box also comprises two gathering sills 6.Two gathering sill 6 intervals are arranged.The two ends of irradiation sample 2 are respectively equipped with the projection 21 adapted with gathering sill 6.The projection 21 at irradiation sample 2 two ends is inserted in two gathering sills 6 respectively, prevents irradiation sample 2 double swerve in reactor operation process, improves the stability of irradiation sample 2.
Preferably, gathering sill 6 is arranged on the inwall 01 of pressure vessel by the mode of welding.
Preferably, metal bag 1 is arranged on the inwall 01 of pressure vessel by the mode of welding.
Compared with prior art, the utility model has following beneficial effect:
1, meet in the removable irradiation sample box of the utility model preferred embodiment, irradiation sample is placed in the cavity volume of metal bag, the removable sample box seat of honour is removably connected by bolt and metal bag, by the barrier of its upper end, irradiation sample being barred from the cavity volume of metal bag, coming off from metal bag for preventing irradiation sample in reactor operation process.Be connected with metal bag compared with the mode of irradiation sample by welding, the irradiation sample met in the removable irradiation sample box of the utility model preferred embodiment is connected with metal bag, the removable sample box seat of honour by removable mode, avoid cutting irradiation sample when extracting irradiation sample, irradiation sample can be made to reuse, greatly reduce production cost.
2, holding screw is adopted to run through the described removable sample box seat of honour and described irradiation sample successively, move up and down for limiting described irradiation sample, prevent irradiation sample in reactor operation process from teetertottering, improve the stability of irradiation sample.
3, gathering sill is set in the both sides of irradiation sample, and the projection at irradiation sample two ends is inserted in two gathering sills respectively, prevent irradiation sample double swerve in reactor operation process, improve the stability of irradiation sample.
4, the applicability meeting the removable irradiation sample box of the utility model preferred embodiment is strong, except being applicable to reactor pressure vessel, can also be applicable to the field that other need to lay irradiation sample.
The even Fig. 2 in upper and lower, left and right in the utility model is reference, for clearly the utility model being described and the relative concept used.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For system disclosed in embodiment, owing to corresponding to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Those skilled in the art can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present utility model.
Obviously, those skilled in the art can carry out various change and modification to utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (5)
1. a removable irradiation sample box, is characterized in that, be applied to pressure vessel, comprising:
Metal bag; Described metal bag is arranged on the inwall of pressure vessel; Described metal bag is provided with cavity volume;
Irradiation sample; Described irradiation sample is placed in the cavity volume of described metal bag pluggablely;
The removable sample box seat of honour; The described removable sample box seat of honour is removably connected by bolt and described metal bag; The described removable sample box seat of honour departs from the cavity volume of described metal bag for stoping described irradiation sample.
2. removable irradiation sample box as claimed in claim 1, is characterized in that, also comprise at least one holding screw; Described holding screw runs through the described removable sample box seat of honour and described irradiation sample successively, moves up and down for limiting described irradiation sample.
3. removable irradiation sample box as claimed in claim 1, is characterized in that, also comprises two gathering sills; Described two gathering sill intervals are arranged; The two ends of described irradiation sample are respectively equipped with the projection adapted with described gathering sill; The projection at described irradiation sample two ends is inserted in two described gathering sills respectively.
4. removable irradiation sample box as claimed in claim 3, is characterized in that, described gathering sill is arranged on the inwall of pressure vessel by the mode of welding.
5. removable irradiation sample box as claimed in claim 1, is characterized in that, described metal bag is arranged on the inwall of pressure vessel by the mode of welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663613.3U CN204926818U (en) | 2015-08-28 | 2015-08-28 | Removable irradiation supervise sample box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663613.3U CN204926818U (en) | 2015-08-28 | 2015-08-28 | Removable irradiation supervise sample box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204926818U true CN204926818U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520663613.3U Active CN204926818U (en) | 2015-08-28 | 2015-08-28 | Removable irradiation supervise sample box |
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| CN (1) | CN204926818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070345A (en) * | 2015-08-28 | 2015-11-18 | 上海核工程研究设计院 | Removable irradiation surveillance sample box |
-
2015
- 2015-08-28 CN CN201520663613.3U patent/CN204926818U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070345A (en) * | 2015-08-28 | 2015-11-18 | 上海核工程研究设计院 | Removable irradiation surveillance sample box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |