CN204966066U - Flat technological wastes material interim storage cask of medium radioactive water - Google Patents
Flat technological wastes material interim storage cask of medium radioactive water Download PDFInfo
- Publication number
- CN204966066U CN204966066U CN201520439634.7U CN201520439634U CN204966066U CN 204966066 U CN204966066 U CN 204966066U CN 201520439634 U CN201520439634 U CN 201520439634U CN 204966066 U CN204966066 U CN 204966066U
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- interim storage
- medium
- storage cask
- art technique
- cask flask
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- 239000002699 waste material Substances 0.000 title abstract description 10
- 230000002285 radioactive effect Effects 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 5
- 239000000463 material Substances 0.000 title abstract 5
- 239000004576 sand Substances 0.000 claims abstract description 27
- 208000005168 Intussusception Diseases 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 36
- 238000010420 art technique Methods 0.000 claims description 35
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000011440 grout Substances 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 2
- 239000012141 concentrate Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 17
- 239000002184 metal Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 11
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000002901 radioactive waste Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- -1 rag etc. Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Abstract
The utility model discloses a flat technological wastes material interim storage cask of medium radioactive water, it includes staving and top cap, the staving includes outer staving, inner barrel body and shielding layer, and outer staving and inner barrel body are the steel drum of intussusception each other, and the shielding layer is for filling outside the plumbous sand shielding layer between staving and the inner barrel body, the top cap includes the box hat and fills the plumbous sand shielding layer in the box hat. Compared with the prior art, the utility model discloses flat technological wastes material interim storage cask of medium radioactive water can sort the baling line and grout fixing device can not the time spent at the wastes material, keeps in to the flat technological wastes material of medium radioactive water, then concentrate grout fixed, is favorable to improving the utilization efficiency that sorts the baling line, also is favorable to reducing operating personnel's the radiation dose that receives.
Description
Technical field
The utility model belongs to nuclear power station radioactive waste storage and process field, and more particularly, the utility model relates to a kind of medium-activity art technique refuse interim storage cask flask.
Background technology
Can produce the technology refuse being greater than 2mSv/h in nuclear power station operational process, mainly comprise plastics, waste paper, rag etc., medium-activity art technique refuse refers to the radiological techniques refuse of radioactive level at 2mSv/h to 10Sv/h.After this kind of refuse is generally collected by red plastic bags, load pail for used dressings and carry out the fixing process of cementation process.Such as, some existing nuclear power station adopts cement barreled to be greater than the technology refuse of 2mSv/h, then utilizes weight by after technology baling, and the grouting of filled with water mud is fixing, capping process.But above-mentioned disposal route can cause the volume of solid waste significantly to increase, and is unfavorable for follow-up storage.
For this reason, other nuclear power stations are from the angle of waste minimization, do not adopt barrel of cement as waste packaging or temporary container, but devised radioactive waste sorting compression pack thread technology refuse is sorted, compressed, and then fixing process of carrying out being in the milk.Said method can reduce the volume of final refuse really, but when sorting compression pack thread fault or can not running because of other reasons, technology refuse just cannot process in time and can only keep in, and temporary period can work the mischief to staff and environment owing to lacking shielding unavoidably.
Utility model content
The purpose of this utility model is: provide a kind of medium-activity art technique refuse interim storage cask flask, for waiting for that the fixing technology refuse of grouting is kept in, to reduce its harm to staff and environment.
In order to realize above-mentioned utility model object, the utility model provides a kind of medium-activity art technique refuse interim storage cask flask, and it comprises staving and top cover; Described staving comprises exterior bowl, inner drum and screen layer, and exterior bowl and inner drum are the steel drum of intussusception each other, and screen layer is the plumbous sand screen layer be filled between exterior bowl and inner drum; Described top cover comprises box hat and is filled in the plumbous sand screen layer in box hat.
One as the utility model medium-activity art technique refuse interim storage cask flask is improved, and the plumbous sand purity in the plumbous sand screen layer of described staving and top cover is all not less than 98%, and bulk density is 7.0g/cm
3, the particle diameter of plumbous sand is less than or equal to 2mm.
One as the utility model medium-activity art technique refuse interim storage cask flask is improved, and the plumbous sand shielding thickness of described staving is not less than 12cm.
One as the utility model medium-activity art technique refuse interim storage cask flask is improved, and the plumbous sand shielding thickness of described top cover is not less than 8cm.
One as the utility model medium-activity art technique refuse interim storage cask flask is improved, and the bottom of described exterior bowl is provided with fork truck interface.
One as the utility model medium-activity art technique refuse interim storage cask flask is improved, and the end face of described top cover is provided with fork truck interface.
One as the utility model medium-activity art technique refuse interim storage cask flask is improved, and the internal diameter of described inner drum is suitable with the maximum outside diameter of pail for used dressings to be kept in.
One as the utility model medium-activity art technique refuse interim storage cask flask is improved, and the bottom surface of described top cover is provided with the positioning convex ring for limiting pail for used dressings perpendicular displacement.
One as the utility model medium-activity art technique refuse interim storage cask flask is improved, the external diameter of described positioning convex ring and the internal diameter of inner drum suitable.
One as the utility model medium-activity art technique refuse interim storage cask flask is improved, described positioning convex ring to the distance of inner drum diapire and the height of pail for used dressings suitable, and the internal diameter of positioning convex ring is less than the bung diameter of pail for used dressings.
Compared with prior art, the utility model medium-activity art technique refuse interim storage cask flask can when pack thread be compressed in refuse sorting and grouting stationary installation is unavailable, medium radioactive level technology refuse is kept in, then carry out concentrating grouting fixing, be conducive to the utilization ratio improving sorting compression pack thread, what be also conducive to reduction operating personnel is subject to irradiation dose.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model medium-activity art technique refuse interim storage cask flask and beneficial effect thereof are described in detail.
Fig. 1 is that the master of the utility model medium-activity art technique refuse interim storage cask flask looks cross-sectional schematic.
Fig. 2 is that schematic diagram is looked on a left side for the utility model medium-activity art technique refuse interim storage cask flask.
Fig. 3 is the schematic top plan view of the utility model medium-activity art technique refuse interim storage cask flask.
Embodiment
In order to make the purpose of this utility model, technical scheme and Advantageous Effects thereof more clear, below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.Should be understood that, the embodiment described in this instructions is only used to explain the utility model, is not intended to limit the utility model.
Refer to Fig. 1 to Fig. 3, the utility model medium-activity art technique refuse interim storage cask flask comprises staving 10 and top cover 20.
Staving 10 is three-decker, comprises exterior bowl 12, inner drum 14, plumbous sand screen layer 16 and top sealing plate 17.Exterior bowl 12 and inner drum 14 are the steel drum of intussusception each other, and plumbous sand screen layer 16 is filled between exterior bowl 12 and inner drum 14, and top sealing plate 17 connects as one from top by exterior bowl 12, inner drum 14, and are sealed by plumbous sand screen layer 16.The diapire 120 of exterior bowl 12 is for square and outwardly from sidewall, the bottom surface of diapire 120 is provided with two fork truck interfaces 18, and fork truck interface 18 coordinates with fork of forklift truck, can so that the movement of cask flask, facilitate execute-in-place, also can reduce the cost of configure dedicated haulage equipment simultaneously.The thickness of plumbous sand screen layer 16 is not less than 12cm.
Top cover 20 is also interstitital texture, the plumbous sand screen layer 24 comprising box hat 22 and be filled in box hat 22.The thickness of top cover 20 is not less than 8cm.The bottom surface of box hat 22 is provided with the positioning convex ring 26 suitable with the internal diameter of inner drum 14, and end face is then provided with a fork truck interface 28.Fork truck interface 28 coordinates with fork of forklift truck, can so that the handling of top cover 20 and movement.
Plumbous sand screen layer 16,24 all adopts the plumbous sand fill process of filling to make, and plumbous sand purity is wherein not less than 98%, and bulk density is 7.0g/cm
3, plumbous sand granularity is less than or equal to 2mm.
The pail for used dressings 30 for temporary technology refuse is equiped with, as 400L metal drum in the inner drum 14 of staving 10.The maximum outside diameter of pail for used dressings 30 and the internal diameter of inner drum 14 suitable, ensure pail for used dressings 30 can not in staving 10 horizontal jitter.The distance of positioning convex ring 26 to inner drum 14 diapire and the height of pail for used dressings 30 suitable, the internal diameter of positioning convex ring 26 is less than the bung diameter of pail for used dressings 30, therefore the bung of pail for used dressings 30 will be determined bulge loop 26 and pushed down, and pail for used dressings 30 vertically cannot be moved in staving 10.
Certainly, understandablely be, usually the different size such as 400L metal drum, 200L metal drum is had owing to needing the pail for used dressings 30 of keeping in, therefore the concrete size of the utility model medium-activity art technique refuse interim storage cask flask also can change to some extent, the thickness of plumbous sand screen layer 16,24 also can adjust according to the radioactivity difference of pail for used dressings 30 to some extent, as long as ensure that the dose rate of cask flask outside surface is lower than 2mSv/h after the shielding of interim storage cask flask.
In other embodiments, also can not use plumbous sand screen layer 16,24, but adopt iron or stainless steel as screen layer, just the thickness of screen layer and weight etc. need to make corresponding adjustment.
After having the utility model medium-activity art technique refuse interim storage cask flask to participate in, medium-activity art technique treatment of wastes produced flow process is (illustrating as pail for used dressings for 400L metal drum):
1) in 400L metal drum, inner bag is placed; Inner bag is mainly used in collecting the temporary technology refuse being greater than 2mSv/h, and it can be selected flexibly according to filled type of waste, mainly plays refuse and contains support;
2) utilize coordinating of the pallet fork of fork truck and fork truck interface 28, open the top cover 20 of medium-activity art technique refuse interim storage cask flask, 400L metal drum is put into staving 10;
3) loaded in red plastic bags by the radiological techniques refuse being greater than 2mSv/h that nuclear power station produces, the volume of polybag is generally 30 ~ 50L;
4) opening steps 2) the bung of 400L metal drum, by specific purpose tool, the polybag that radiological techniques refuse is housed is put into fast the inner bag of 400L metal drum;
5) when filling the radiological techniques refuse being greater than 2mSv/h in the inner bag of 400L metal drum, utilize weight or clamping device, further compacting, 400L metal drum is enable to load radiological techniques refuse as much as possible, until the refuse filling rate in 400L metal drum inner bag stops filling in 90% ~ 95% scope;
6) utilize specific purpose tool to carry out capping to 400L metal drum, then cask flask top cover 20 is positioned at the bung of staving 10, realize cask flask capping;
7) when running up to a certain amount of technology refuse (as 8 ~ 10 400L buckets) being greater than 2mSv/h, and when cementation process stationary installation is available, take out in 400L metal drum self-shileding container, then carry out concentrating the fixing process of grouting to it, that is: grout is injected the 400L metal drum that inner bag is housed, radioactive waste is contained, after grout sclerosis, possess certain shield effectiveness, certain structural strength can be provided simultaneously, to meet the requirement that Waste disposal receives.
Known by describing above, compared with prior art, the utility model medium-activity art technique refuse interim storage cask flask at least has the following advantages: 1) when pack thread is compressed in refuse sorting and grouting stationary installation is unavailable, can keep in medium radioactive level technology refuse; 2) consider safty hoisting and the transport of radiation protection and cask flask, be beneficial to loading and the taking-up of pail for used dressings 30, and can reuse, be easy to decontamination; 3) be provided with the fork truck interface 18,28 matched with the crane of nuclear island factory building and refuse temporary library and forklift operator, facilitate the operation in power station, and decrease the configuration of other specialized equipments, indirectly reduce engineering cost.
In addition, the utility model, by accommodation, except the nuclear power station technology refuse interim storage that can be applied to various type, also can be applied to the refuse interim storage that the radioactivity of military project nuclear facilities generation is higher, have broad application prospects.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. a medium-activity art technique refuse interim storage cask flask, is characterized in that: comprise staving and top cover; Described staving comprises exterior bowl, inner drum and screen layer, and exterior bowl and inner drum are the steel drum of intussusception each other, and screen layer is the plumbous sand screen layer be filled between exterior bowl and inner drum; Described top cover comprises box hat and is filled in the plumbous sand screen layer in box hat.
2. medium-activity art technique refuse interim storage cask flask according to claim 1, is characterized in that: the plumbous sand purity in the plumbous sand screen layer of described staving and top cover is all not less than 98%, and bulk density is 7.0g/cm
3, the particle diameter of plumbous sand is less than or equal to 2mm.
3. medium-activity art technique refuse interim storage cask flask according to claim 1, is characterized in that: the plumbous sand shielding thickness of described staving is not less than 12cm.
4. medium-activity art technique refuse interim storage cask flask according to claim 1, is characterized in that: the plumbous sand shielding thickness of described top cover is not less than 8cm.
5. medium-activity art technique refuse interim storage cask flask according to claim 1, is characterized in that: the bottom of described exterior bowl is provided with fork truck interface.
6. medium-activity art technique refuse interim storage cask flask according to claim 1, is characterized in that: the end face of described top cover is provided with fork truck interface.
7. medium-activity art technique refuse interim storage cask flask according to claim 1, is characterized in that: the internal diameter of described inner drum is suitable with the maximum outside diameter of pail for used dressings to be kept in.
8. medium-activity art technique refuse interim storage cask flask according to claim 1, is characterized in that: the bottom surface of described top cover is provided with the positioning convex ring for limiting pail for used dressings perpendicular displacement.
9. medium-activity art technique refuse interim storage cask flask according to claim 8, is characterized in that: the external diameter of described positioning convex ring and the internal diameter of inner drum suitable.
10. medium-activity art technique refuse interim storage cask flask according to claim 8, it is characterized in that: described positioning convex ring to the distance of inner drum diapire and the height of pail for used dressings suitable, and the internal diameter of positioning convex ring is less than the bung diameter of pail for used dressings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439634.7U CN204966066U (en) | 2015-06-24 | 2015-06-24 | Flat technological wastes material interim storage cask of medium radioactive water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439634.7U CN204966066U (en) | 2015-06-24 | 2015-06-24 | Flat technological wastes material interim storage cask of medium radioactive water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204966066U true CN204966066U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520439634.7U Active CN204966066U (en) | 2015-06-24 | 2015-06-24 | Flat technological wastes material interim storage cask of medium radioactive water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204966066U (en) |
Cited By (6)
| 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 |
| CN107705866A (en) * | 2017-09-30 | 2018-02-16 | 中国核电工程有限公司 | A kind of removal shield conveying arrangement |
| CN109119178A (en) * | 2018-10-22 | 2019-01-01 | 天津市万木辐射防护工程有限公司 | A kind of radioactive isotope drug stock control lead case |
| CN109659055A (en) * | 2018-11-04 | 2019-04-19 | 青岛东卡环保工程技术有限公司 | Low-level radioactive waste compresses steel drum in a kind of novel 170L |
| WO2019184928A1 (en) * | 2018-03-29 | 2019-10-03 | 何满潮 | Nuclide-migration-prevention barrier for underground neutron energy power station and construction method therefor |
| CN111916244A (en) * | 2020-07-22 | 2020-11-10 | 中核清原环境技术工程有限责任公司 | Shielding steel box |
-
2015
- 2015-06-24 CN CN201520439634.7U patent/CN204966066U/en active Active
Cited By (7)
| 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 |
| CN107705866A (en) * | 2017-09-30 | 2018-02-16 | 中国核电工程有限公司 | A kind of removal shield conveying arrangement |
| WO2019184928A1 (en) * | 2018-03-29 | 2019-10-03 | 何满潮 | Nuclide-migration-prevention barrier for underground neutron energy power station and construction method therefor |
| CN109119178A (en) * | 2018-10-22 | 2019-01-01 | 天津市万木辐射防护工程有限公司 | A kind of radioactive isotope drug stock control lead case |
| CN109659055A (en) * | 2018-11-04 | 2019-04-19 | 青岛东卡环保工程技术有限公司 | Low-level radioactive waste compresses steel drum in a kind of novel 170L |
| CN111916244A (en) * | 2020-07-22 | 2020-11-10 | 中核清原环境技术工程有限责任公司 | Shielding steel box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |