CN206134271U - Spentnuclear fuel dry -type container with polyethylene post - Google Patents
Spentnuclear fuel dry -type container with polyethylene post Download PDFInfo
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- CN206134271U CN206134271U CN201621087626.1U CN201621087626U CN206134271U CN 206134271 U CN206134271 U CN 206134271U CN 201621087626 U CN201621087626 U CN 201621087626U CN 206134271 U CN206134271 U CN 206134271U
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- staving
- layer
- fuel dry
- storage device
- accommodating hole
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Abstract
The utility model discloses a spentnuclear fuel dry -type container with polyethylene post, a serial communication port, including staving and establish the bung that is used for sealing barrel body on the staving, all be equipped with the lead screen layer on bung and the staving, be equipped with on the perisporium of staving along a plurality of spaced apart holding hole that axial direction extends, the downthehole packing of holding has the polyethylene post that matches with the holding hole, the holding hole distributes in all the thickness of the wall directions of staving for the multilayer, and the layer and layer between alternative the arranging in holding hole. According to the utility model discloses a spentnuclear fuel dry -type container with polyethylene post of embodiment through one -shot casting's staving, sets up multilayer holding hole simultaneously on the perisporium of staving, just the holding hole between layer and the layer is arranged in turn, can compromise the intensity and the neutron slowing properties of staving simultaneously, reduces radioactive substance's diffusion, the reduction potential safety hazard.
Description
Technical field
The utility model is related to nuclear waste disposal technical field, specifically, more particularly to a kind of with polyethylene post
Spent fuel dry-type storage device.
Background technology
It has been to possess in the world to build nuclear power station most nuclear power station is built with the fast development of China's nuclear industry
Country, these nuclear power stations all can be produced every year have in a large number radioactive spentnuclear fuel, so as to the post processing problem of these spentnuclear fuels
Become to become increasingly conspicuous, develop safe and reliable irradiated fuel store device, for the safe operation and sustainable development of nuclear power have weight
Want meaning.In correlation technique, irradiated fuel store device mostly adopt multiple layer metal barrel, for preventing spentnuclear fuel in radioactivity
The diffusion of material, while the impact and collision of external load can be born, can improve the security of spentnuclear fuel significantly.But,
This structure needs to be welded using seamless pipe, and the weak location such as caused weld seam and heat affecting has spillage risk in welding,
Meanwhile, neutron has very strong penetration capacity, and the storage to spentnuclear fuel will constitute huge potential safety hazard.
Utility model content
The utility model is intended at least solve one of above-mentioned technical problem of the prior art to a certain extent.In view of
This, the utility model needs to provide a kind of spent fuel dry-type storage device with polyethylene post, it is possible to increase operating efficiency, improves
The intensity and moderation of neutrons performance of irradiated fuel store device, reduces potential safety hazard.
According to a kind of spent fuel dry-type storage device with polyethylene post of embodiment of the present utility model, including staving with
And the bung for sealing the staving is located on the staving, lead screen layer, institute are equipped with the bung and the staving
The perisporium for stating staving is provided with the accommodating hole multiple spaced apart in axial direction extending, be filled with the accommodating hole with it is described
The polyethylene post of accommodating hole matching, the accommodating hole is distributed as multilayer on the thickness direction of the perisporium of the staving, and layer with
The accommodating hole between layer is alternately arranged.
According to a kind of spent fuel dry-type storage device with polyethylene post of embodiment of the present utility model, by once casting
The staving of type is caused, while accommodating hole described in multilayer is set on the perisporium of staving, and the accommodating hole between layers is handed over
For arrangement, the intensity and moderation of neutrons performance of the staving can be simultaneously taken into account, reduce the diffusion of radioactive substance, reduce safety
Hidden danger.
In addition, may be used also according to a kind of spent fuel dry-type storage device with polyethylene post of the utility model above-described embodiment
With with following additional technical characteristic：
The staving is drum-shaped, and the adjacent accommodating hole of per layer on perisporium in the staving equidistantly divides
Cloth.
The accommodating hole is circular hole.
The staving is stainless steel bucket.
The staving can also be spheroidal graphite cast-iron staving.
The periphery wall of the staving is provided with fin.
Multiple polyethylene bodies spaced apart are provided with the outer peripheral edge that the bung is closed on the bung.
The staving is provided with multilayer lead screen layer, be formed with the outside of per layer of lead screen layer one layer it is described accommodating
Hole.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below
In become obvious, or by it is of the present utility model practice recognize.
Description of the drawings
Fig. 1 is a kind of structure of the spent fuel dry-type storage device with polyethylene post according to embodiment of the present utility model
Schematic diagram.
Fig. 2 is the sectional view in Fig. 1 at A-A.
Reference：1- stavings, 2- bungs, 3- lead screen layers, 4- accommodating holes, 5- fins, 6- handles
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the utility model, and it is not intended that to limit of the present utility model
System.
As shown in Figure 1 and Figure 2, according to a kind of spent fuel dry-type storage device 100 with polyethylene post of the present utility model,
Including staving 1 and be located on staving 1 be used for sealed barrel 1 bung 2.
Specifically, bung 2 is provided with three layers of top cover, and topmost one layer of top cover is provided with handle 6, the upper end open of staving 1, under
End seal is closed, and on bung 2 and staving 1 lead screen layer 3 is equipped with, and lead screen is formed in the form of the lower end of bung 2 is to pour into a mould lead liquid
Layer 3, the perisporium of staving 1 is provided with multiple through-thickness and is spaced apart and in the cavity of circumferential direction insertion, in the perisporium of staving 1
On be formed with multiple and bucket wall cavity about the same, in cavity can in the way of pouring into a mould filling lead liquid, in the solidification of lead liquid
Lead screen layer 3 can be formed in cavity afterwards.Lead screen layer 3 is formed on the base of staving 1 in the form of cast lead liquid.Thus,
The effect of lead screen layer 3 after formation more preferably, can preferably avoid the radioactive substance in staving 1 from radiating.
The perisporium of staving 1 is provided with the accommodating hole 4 multiple spaced apart in axial direction extending, accommodating hole 4 and is filled with
The polyethylene post (not shown) matched with accommodating hole 4, accommodating hole 4 is distributed as multilayer on the thickness direction of the perisporium of staving 1, and
Accommodating hole 4 between layers is alternately arranged, and in other words, the multilayer circular hole about the same with bucket wall is formed with staving 1, i.e.,
Accommodating hole 4, the inside of accommodating hole 4 is filled with polyethylene post (not shown), and the multiple accommodating holes 4 on per layer are equidistantly distributeds,
And the accommodating hole 4 between per layer and per layer staggers and is alternately arranged.Adopt in this way, can effectively realize neutron
Slowing down, and take into account the intensity for ensureing staving 1.
According to a kind of spent fuel dry-type storage device 100 with polyethylene post of embodiment of the present utility model, by one
The staving 1 of secondary casting, while multilayer accommodating hole 4 is set on the perisporium of staving 1, and accommodating hole 4 between layers is handed over
For arrangement, the intensity and moderation of neutrons performance of staving 1 can be simultaneously taken into account, reduce the diffusion of radioactive substance, reduce safety hidden
Suffer from.
As shown in Figure 1 and Figure 2, according to one embodiment of the present utility model, staving 1 is the stainless steel bucket of drum-shaped.By
This can be readily transported, it is ensured that the intensity of staving 1, can be with according to another embodiment of the present utility model, and staving 1 can be with
For the spheroidal graphite cast-iron staving of drum-shaped, using this staving 1 it is also ensured that a kind of storage of the spentnuclear fuel dry type with polyethylene post
The intensity of storage 100.
As shown in Figure 1 and Figure 2, according to one embodiment of the present utility model, fin 5 is provided with the periphery wall of staving 1.
Fin 5 is equidistantly equally distributed, and material and the material of staving 1 of fin 5 are consistent, thereby, it is possible to increase radiating surface
Product, improves heat dispersion.
As shown in Figure 1 and Figure 2, according to one embodiment of the present utility model, set at the outer peripheral edge that bung 2 is closed on bung 2
There are multiple polyethylene body (not shown) spaced apart.In other words, have in the peripheral rim of bung 2 equal spacings and
The circular aperture of even distribution, aperture the inside is filled with polyethylene body (not shown), the circular aperture in the peripheral rim of bung 2 with
The outermost accommodating hole 4 of staving 1 is one-to-one.Thereby, it is possible to preferably avoid the leakage of radioactive substance.
As shown in Figure 1 and Figure 2, staving 1 is provided with multilayer lead screen layer 3, and the outside of every layer of lead screen layer 3 is formed with one layer
Accommodating hole 4.In other words, multiple and bucket wall cavity about the same is formed on the perisporium of staving 1, can be with cast in cavity
The filling lead liquid of mode, lead screen layer 3 can be formed in cavity after the solidification of lead liquid, be formed with one on the outside of lead screen layer
Layer accommodating hole 4, accommodating hole 4 is equidistantly equally distributed, and polyethylene post (not shown) is filled with accommodating hole 4.Thereby, it is possible to
There are more preferable shield effectiveness and moderation of neutrons performance.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with
Combine in an appropriate manner in any one or more embodiments or example.Additionally, those skilled in the art can be by
Different embodiments or example described in this specification are engaged and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to restriction of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, be changed, being replaced and modification.
Claims (8)
1. a kind of spent fuel dry-type storage device with polyethylene post, it is characterised in that including staving and be located at the staving
The upper bung for being used to seal the staving, is equipped with lead screen layer, on the perisporium of the staving on the bung and the staving
It is provided with the accommodating hole multiple spaced apart in axial direction extending, the accommodating hole poly- filled with what is matched with the accommodating hole
Ethene post, the accommodating hole is distributed as multilayer, and multiple institutes between layers on the thickness direction of the perisporium of the staving
State accommodating hole to be alternately arranged.
2. a kind of spent fuel dry-type storage device with polyethylene post according to claim 1, it is characterised in that the bucket
Body is drum-shaped, the adjacent accommodating hole equidistantly distributed of per layer on perisporium in the staving.
3. a kind of spent fuel dry-type storage device with polyethylene post according to claim 1, it is characterised in that the appearance
Hole is put for circular hole.
4. a kind of spent fuel dry-type storage device with polyethylene post according to claim 1, it is characterised in that the bucket
Body is stainless steel bucket.
5. a kind of spent fuel dry-type storage device with polyethylene post according to claim 1, it is characterised in that the bucket
Body can also be spheroidal graphite cast-iron staving.
6. a kind of spent fuel dry-type storage device with polyethylene post according to claim 1, it is characterised in that the bucket
The periphery wall of body is provided with fin.
7. a kind of spent fuel dry-type storage device with polyethylene post according to claim 1, it is characterised in that the bucket
Cover and multiple polyethylene bodies spaced apart are provided with the outer peripheral edge for closing on the bung.
8. a kind of spent fuel dry-type storage device with polyethylene post according to claim 1, it is characterised in that the bucket
Body is provided with multilayer lead screen layer, and on the outside of per layer of lead screen layer one layer of accommodating hole is formed with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621087626.1U CN206134271U (en) | 2016-09-27 | 2016-09-27 | Spentnuclear fuel dry -type container with polyethylene post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621087626.1U CN206134271U (en) | 2016-09-27 | 2016-09-27 | Spentnuclear fuel dry -type container with polyethylene post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206134271U true CN206134271U (en) | 2017-04-26 |
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ID=58571061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621087626.1U Active CN206134271U (en) | 2016-09-27 | 2016-09-27 | Spentnuclear fuel dry -type container with polyethylene post |
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| CN (1) | CN206134271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346669A (en) * | 2017-07-20 | 2017-11-14 | 中国核动力研究设计院 | A kind of flexible shielding method for high radioactivity foundation ditch |
-
2016
- 2016-09-27 CN CN201621087626.1U patent/CN206134271U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346669A (en) * | 2017-07-20 | 2017-11-14 | 中国核动力研究设计院 | A kind of flexible shielding method for high radioactivity foundation ditch |
| CN107346669B (en) * | 2017-07-20 | 2019-06-14 | 中国核动力研究设计院 | A kind of flexible shielding method for high radioactivity foundation pit |
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