CN202632792U - Novel observation window for medium-low activity heat chamber - Google Patents
Novel observation window for medium-low activity heat chamber Download PDFInfo
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- CN202632792U CN202632792U CN 201220215144 CN201220215144U CN202632792U CN 202632792 U CN202632792 U CN 202632792U CN 201220215144 CN201220215144 CN 201220215144 CN 201220215144 U CN201220215144 U CN 201220215144U CN 202632792 U CN202632792 U CN 202632792U
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Abstract
The utility model discloses a novel observation window for a medium-low activity heat chamber. The novel observation window comprises an observation window main body (1), wherein the observation window main body (1) comprises a hollow observation window (2), a big end surface and a small end surface are arranged on the observation window (2), a shielding material is filled in the observation window (2), a support mechanism (5) is arranged below the observation window (2), and four feet of the support mechanism (5) are of adjustable threaded structures. The novel observation window for the medium-low activity heat chamber is capable of providing well light-admitting quality and capable of avoiding the defects that a lead glass window is easily broken and darkens and inhomogeneous materials cannot be eliminated, and the like. The observation window structure also has the characteristics of adjustable installation height, capability of being used multiple heat chambers, low cost, convenience for disassembly and transportation, capability of providing more effective protection for the operating personnel, is suitable for movable heat chambers like mobile high activity waste radioactive source service devices, and is also suitable for fixed type heat chambers widely used in China at present.
Description
Technical field
The utility model belongs to the radioactive test technical field, is specifically related to the novel view window that a kind of middle low-activity hot cell is used.
Background technology
The hot cell is the shielded cubicle that carries out high radioactivity test and operation, is usually used in check, the processing of fuel element, the rerum natura of material, mechanical property and metallographic test experiments, isotope packing, radiochemistry experiment etc.The hot cell has fixed and portable two kinds.Usually being equipped with on the front wall of hot cell with lead glass or high density liquid is the view window of shielding material, carries out remote-controlled operation so that operating personnel observe the hot cell inner case.View window should satisfy radiation proof requirement again for operating personnel provide enough visual spaces.
The material of view window generally has two kinds: (1) multilayer lead glass window, (2) liquid window.The multilayer lead glass window is to be the outer protection layer with simple glass or multicolored soda lime glass, and interior dress lead glass or heavy lead glass stop ray, add cerium in the lead glass, slow down the darkization speed of lead glass under irradiation; The liquid window is to be the both ends of the surface protective seam with silicate glass plate or the polycarbonate plate secretly do not changed, and the inner good higher density solution of transparency that adopts is as shielding material.
The structure of view window generally has two kinds: (1) square window, (2) fenestra ovalis.Side's window is domestic extensive employing at present, its have difficulty of processing little be easy to advantage such as installation, but exist less economical, forms self to have thin spot and be not suitable for shortcoming such as liquid window; Fenestra ovalis can realize reaching maximum visual range and shared volume minimum, and on forms the non-structure thin spot, but have difficulty of processing.
Present widely used lead glass side window exist cost too high, can reach under the situation of same shield effectiveness; The cost of lead glass side's window is about 6～7 times of cost of zinc bromide solution view window; Be prone to broken and be not easy to dismounting and transportation, especially fixed hot cell take place that lead glass damages or deepening can't be used, in the time of need changing the outfit, in use also be prone to take place electrostatic breakdown cause in the broken phenomenon of lead glass, the lead glass if exist the heterogeneity material can't eliminate, along with there are shortcomings such as colour-darkening in the increase of service time.
The utility model content
To existing deficiency in the prior art; The purpose of the utility model is to provide a kind of middle low-activity hot cell to use novel view window; Thereby both gone for fixed hot cell and also gone for portable hot cell; And can accelerate the raising of domestic radioactive test technical merit, reduce the manufacturing and the maintenance cost in hot cell simultaneously greatly.
The utility model solves the problems of the technologies described above the technical scheme that is adopted and describes as follows:
Novel view window is used in the low-activity hot cell in a kind of; Comprise the view window main body; The view window main body comprises the view window of hollow, and view window is provided with a large end face and a small end face, is filled with shielding material in the view window; The below of said view window is provided with supporting mechanism, and four pin of said supporting mechanism are adjustable helicitic texture.
Further, the outer wall of described view window is provided with the equally distributed reinforcement in six roads, and inwall scribbles epoxy resin layer.
Further, described shielding material is a zinc bromide solution.
Further, described view window main body also comprises auxiliary shield mechanism, and described auxiliary shield mechanism is arranged on the small end face of view window, is made up of two parts up and down, and top is steel plate, and the bottom is the steel plate mount structure, inner filling lead.
Further, the side near large end face is provided with an aperture that is used to fill or extract shielding material at the top of view window.
Further, the large end face of said view window is connected with view window through flange respectively with small end face.
The beneficial effect that the utility model produced is following: because the utility model is provided with height-adjustable supporting mechanism below view window; And an aperture that is used to fill or extract shielding material is set in a side near the view window large end face; And adopt zinc bromide solution as shielding material; Therefore, have the dismounting of being convenient to, maintenance and transportation, characteristics such as more effectively protection are provided for operating personnel; Easy fragmentation, deepening that good light transmittance can avoid lead glass window again can be provided, exist the heterogeneity material defective such as can't eliminate; Both be applicable to the portable hot cell of reorganizing and outfit device of the useless radioactive source of the high activity of similar movable type, also be applicable to domestic widely used fixed hot cell at present, and can be implemented in the optimization on the implementation structure and economy under the situation that guarantees to accomplish function and security.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the utility model;
Fig. 2 is the sectional view of the oval view window of the utility model.
Embodiment
The purpose of the utility model is the production technology with reference to existing view window; Present situation to present radioactive test; Consider the versatility and the economy of view window simultaneously, a kind of novel view window is provided, also can be used for portable hot cell thereby both can be used for fixing the formula hot cell; And can accelerate the raising of domestic radioactive test technical merit, reduce the manufacturing and the maintenance cost in hot cell simultaneously greatly.
Below in conjunction with accompanying drawing the utility model is carried out detailed description.
Novel view window is used in the middle low-activity hot cell of the utility model, like Fig. 1, shown in 2, comprises view window main body 1 and scalable auxiliary body two parts.The view window main body comprises that the little cross section of the big end of an end is oval-shaped view window 2; Said view window 2 is a hollow; Outside surface at view window 2 is provided with the equally distributed reinforcement in six roads; The material of reinforcement is a straight carbon steel, at the inside surface of view window 2 epoxy resin layer is set, and view window 2 also is provided with 3 (1) and small end faces 3 (2) of a large end face; Side at the top of view window 2 near large end face is provided with an aperture that is used to fill or extract shielding material, thereby can the minimized in size that make view window 2 under the situation of maximum visual range be provided; Scalable auxiliary body part mainly comprises supporting mechanism 5 and auxiliary shield mechanism 6; Supporting mechanism 5 is connected with view window 2; Four pin of supporting mechanism 5 are adjustable helicitic texture, and auxiliary shield mechanism 6 is arranged in the small end face of view window 2, and the top of auxiliary shield mechanism is common carbon steel board; The bottom is the common carbon steel board mount structure, and inner filling is plumbous.The end face material of view window 2 adds organic glass for the PC plate, and the light transmission that has promptly satisfied view window requires to have avoided again the fearness of lead glass window to impact problems such as being prone to fragmentation; The material of supporting mechanism 5 is a straight carbon steel, and four pin are adjustable thread mechanism, not only is convenient to dismounting and also can makes a view window be applied to a plurality of hot cells, has better economic property; Auxiliary shield mechanism is imitative view window small end face form, is divided into two parts up and down, and top is common carbon steel board, and the bottom is the common carbon steel board mount structure, and inner filling is plumbous, and the optimization of having accomplished consumption of lead under the situation of enough shielding can be provided.Because view window 2 is the carbon steel ellipsoidal structure and uses zinc bromide solution as shielding material that therefore, the view window of the utility model can guarantee to accomplish under the situation of function and security the optimization on implementation structure and the economy.
In the present embodiment, select zinc bromide solution 4 as the shielding material; Select the main body wall of certain thickness carbon steel sheet processing view window 2, on the outer wall of view window 2, install the equally distributed material reinforcement of the same race in six roads additional simultaneously, the inwall of view window 2 is coated with epoxy resin; The large end face of view window 2 or small end face add organic glass by the PC plate and form, and said large end face is connected with view window 2 through 304 steel flanges respectively with small end face.Sealing gasket adopts silastic material; The material of supporting mechanism 5 is a straight carbon steel, and four pin are adjustable helicitic texture, and are Height Adjustable, not only is convenient to dismounting and also can makes a view window be suitable for a plurality of hot cells, has better economic property; The structure of auxiliary shield mechanism 6 is imitated view window small end face form, and be divided into up and down two parts: top is common carbon steel board, and the bottom is the common carbon steel board mount structure, and inner filling is plumbous, and the optimization of having accomplished consumption of lead under the situation of enough shielding can be provided.Because the view window in the present embodiment adopts the carbon steel ellipsoidal structure and use zinc bromide solution as shielding material, therefore, the optimization on implementation structure and the economy can guaranteed to accomplish under the situation of function and security.
In the present embodiment, the overall dimensions of described view window 2 are that small end (observation side) is of a size of 700mm * 500mm, and big end (room side heat) is of a size of 1000mm * 710mm, and length (small end is to big end) is 1500mm.
In the present embodiment, before view window is installed, must check, guarantee that the performance of each parts and zinc bromide solution meets the requirements each critical piece and zinc bromide solution.Whether inspection method is intact to each critical piece its junction of inspection and weld seam, its massfraction of zinc bromide solution inspection.After the passed examination, put supporting mechanism 5 well according to definite position earlier, place view window main body 1 behind the balancing; Confirm that the installation site is correct, after the balance; The working depth of adjustable support mechanism 5 to view window 2 is installed auxiliary shield mechanism 6 then, in view window 2, charges zinc bromide solution 4 to filling it up with.
Before using view window 2, must check each critical piece, guarantee the security of hot operation.Inspection method is simulated emission property occasion whole operation process or main process, and it is qualified that the smooth complete operation of ability is.During use, should guarantee that view window 2 is not hit, the amount of the zinc bromide solution 4 that forms are inner remains in the scope that effective shielding can be provided; After being used to complete, can implement fluid infusion, or with liquid by extracting out in the forms; Dismounting view window 2 is transported to next place and carries on work.
It should be noted that; Above-mentioned specific embodiment only is exemplary; Under the above-mentioned instruction of the utility model, those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improve or distortion drops in the protection domain of the utility model.It will be understood by those skilled in the art that top specific descriptions just in order to explain the purpose of the utility model, are not to be used to limit the utility model.The protection domain of the utility model is limited claim and equivalent thereof.
Claims (6)
1. novel view window is used in the low-activity hot cell in one kind; Comprise view window main body (1); View window main body (1) comprises the view window (2) of hollow, and view window (2) is provided with a large end face and a small end face, and view window is filled with shielding material in (2); It is characterized in that: the below of said view window (2) is provided with supporting mechanism (5), and four pin of said supporting mechanism (5) are adjustable helicitic texture.
2. novel view window is used in the low-activity hot cell in as claimed in claim 1, and it is characterized in that: the outer wall of described view window (2) is provided with the equally distributed reinforcement in six roads, and inwall scribbles epoxy resin layer.
3. novel view window is used in the low-activity hot cell in as claimed in claim 1, and it is characterized in that: described shielding material is zinc bromide solution (4).
4. novel view window is used in the low-activity hot cell in as claimed in claim 1; It is characterized in that: described view window main body (1) also comprises auxiliary shield mechanism (6); Described auxiliary shield mechanism (6) is arranged on the small end face of view window (2), is made up of two parts up and down, and top is steel plate; The bottom is the steel plate mount structure, and inner filling is plumbous.
5. novel view window is used in the low-activity hot cell in as claimed in claim 1, it is characterized in that: the side at the top of view window (2) near large end face is provided with an aperture that is used to fill or extract shielding material.
6. novel view window is used in the low-activity hot cell in as claimed in claim 1, and it is characterized in that: the large end face of said view window (2) is connected with view window (2) through flange respectively with small end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220215144 CN202632792U (en) | 2012-05-14 | 2012-05-14 | Novel observation window for medium-low activity heat chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220215144 CN202632792U (en) | 2012-05-14 | 2012-05-14 | Novel observation window for medium-low activity heat chamber |
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| CN202632792U true CN202632792U (en) | 2012-12-26 |
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| CN 201220215144 Expired - Fee Related CN202632792U (en) | 2012-05-14 | 2012-05-14 | Novel observation window for medium-low activity heat chamber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318912A (en) * | 2017-12-29 | 2018-07-24 | 天津市迅尔仪表科技有限公司 | A kind of novel removable neutron gamma radiation protecting screen |
| CN113187274A (en) * | 2021-04-22 | 2021-07-30 | 中国辐射防护研究院 | Tumor radiotherapy center individual layer building plane layout structure |
-
2012
- 2012-05-14 CN CN 201220215144 patent/CN202632792U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318912A (en) * | 2017-12-29 | 2018-07-24 | 天津市迅尔仪表科技有限公司 | A kind of novel removable neutron gamma radiation protecting screen |
| CN113187274A (en) * | 2021-04-22 | 2021-07-30 | 中国辐射防护研究院 | Tumor radiotherapy center individual layer building plane layout structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20210514 |
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| CF01 | Termination of patent right due to non-payment of annual fee |