CN102467984A - High-activity spent radioactive source conditioning method and special device thereof - Google Patents
High-activity spent radioactive source conditioning method and special device thereof Download PDFInfo
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- CN102467984A CN102467984A CN2010105526212A CN201010552621A CN102467984A CN 102467984 A CN102467984 A CN 102467984A CN 2010105526212 A CN2010105526212 A CN 2010105526212A CN 201010552621 A CN201010552621 A CN 201010552621A CN 102467984 A CN102467984 A CN 102467984A
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Abstract
The invention belongs to the technology of processing radioactive wastes, and in particular relates to a high-activity spent radioactive source conditioning method and a special device thereof. The method comprises the following steps of: dismantling the original container in a dismountable moving device; taking a high-activity spent radioactive source out of the original hanging basket and encapsulating; putting the encapsulated tube into an encapsulatable container; putting the container into a long-term storage container which can be stored for a long time directly; or taking the container out of the long-term storage container and storing the container in a deep well. The device comprises a device main body, wherein a shielding body is arranged on the device main body and is provided with a mechanical hand and a liquid observation window; a control part of the mechanical hand is arranged outside the device main body; and a lifting device and a welding device are arranged in the device main body. The high-activity spent radioactive source which is conditioned through the method has the characteristics that the source has high volume reduction rate, is retrievable and can be stored in a pit or the deep well. The conditioning device has a modular and dismountable structure and is convenient to move and operate.
Description
Technical field
The invention belongs to the radioactive waste treatment technology, be specifically related to the useless radioactive source of a kind of high activity and reorganize and outfit method and isolated plant thereof.
Background technology
The application of radioactive source can produce the useless radioactive source of high activity.The useless radioactive source of high activity needs to realize safety management because of its activity is high, dose rate is high, harm is big.
Except that returning production unit and the exporter, the useless radioactive source of domestic high activity is harvested and stored concentrates depots at the useless radioactive source of country, or is temporarily stored in the user site.And the useless radioactive source of the high activity of the part that is temporary in the user site can't transport because of there not being suitable cask, has big potential safety hazard, should reorganize and outfit as early as possible, so that safe storage.
At present, the domestic promulgation " useless radium source is reorganized and outfit method " (EJ/T 1190-2005).This standard is the standard method of reorganizing and outfit to useless radium source, and regulation is implemented the welding encapsulation to useless radium source in the standard, so that the radon daughter that produces in the useless radium source decay process of sealing.The radioactive nuclide of the useless radioactive source of high activity is generally
60Co,
137Cs with
90Sr does not produce radgas in the decay process, need not sealing and store.Above-mentionedly reorganize and outfit the requirement of reorganizing and outfit that technology and the method for reorganizing and outfit are not suitable for the useless radioactive source of high activity.
High activity radioactive source is fixedly being produced in the hot cell usually.The fixedly hot cell that produces high activity radioactive source generally possesses each item configuration and the requirement that the useless radioactive source of high activity is reorganized and outfit; But for the useless radioactive source of the high activity that can't transport, there is following defective in reorganizing and outfit in fixing hot cell:
(1) fixedly the cost in hot cell is high; The useless radioactive source of the high activity that can't transport for the everywhere, reconstructing the useless radioactive source of a fixed high activity, to reorganize and outfit device be unpractical.
(2) dismounting in old fixedly hot cell, reconstruction and again utilization need higher technology, long time and the technician of qualification arranged.
Summary of the invention
The objective of the invention is to the problem that exists in the prior art; And the useless radioactive source of high activity is disposed the preceding requirement of reorganizing and outfit; Provide the useless radioactive source of a kind of high activity to reorganize and outfit method and isolated plant thereof; Thereby both can reorganize and outfit the useless radioactive source of the high activity that is temporary in the user site, can't transports, and can take into account again and be stored in the storage that the useless radioactive source of country is concentrated the useless radioactive source of depots; Accelerate reorganizing and outfit of the useless radioactive source of domestic high activity, realize the safe storage of the useless radioactive source of high activity.
For realizing above-mentioned purpose, technical scheme of the present invention is following: the useless radioactive source of a kind of high activity is reorganized and outfit method, adopts the useless radioactive source of special-purpose high activity to reorganize and outfit device and reorganizes and outfit, and comprises following processing step:
The original container that is loaded with the useless radioactive source of high activity put into reorganize and outfit device;
The useless radioactive source of high activity is taken out from the hanging basket of original container and the package tube encapsulation of packing into;
But packaged package tube is put into the packaged type container containing;
Container containing is put into the long term storage container, and the long term storage container is taken out from reorganize and outfit device.
Further, the useless radioactive source of aforesaid high activity is reorganized and outfit method, and wherein, described long term storage container can directly be stored; Perhaps container containing is taken out from the long term storage container, and adopt deep-wall type to store.
Further, the useless radioactive source of aforesaid high activity is reorganized and outfit method, and wherein, described package tube can adopt the mode of screw thread encapsulation or welding encapsulation.
The useless radioactive source of a kind of above-mentioned high activity is reorganized and outfit the isolated plant of method; Comprise an apparatus main body; Apparatus main body is provided with shield; Shield is provided with mechanical arm and liquid view window, and the control section of mechanical arm places apparatus main body outside, also is respectively equipped with boom hoisting, welder in the apparatus main body.
Further, the useless radioactive source of aforesaid high activity is reorganized and outfit the isolated plant of method, and wherein, this device also comprises visible system, illuminator, power system, ventilating system and measuring system.
Further, the useless radioactive source of aforesaid high activity is reorganized and outfit the isolated plant of method, and wherein, described shield comprises four sides body of wall and top cover, its body of wall be inside and outside two-layer carbon steel sheet surround the plate and frame structure of hollow, middle filling sand.
Beneficial effect of the present invention is following:
(1) the useless radioactive source of high activity is reorganized and outfit technology and is adopted the dismountable useless radioactive source of high activity that moves to reorganize and outfit device and reorganize and outfit, and the useless radioactive source of the high activity after reorganizing and outfit has high volume reduction ratio, can return the characteristics of getting and take into account ground pit type and two kinds of storage proceduress of deep-wall type.
(2) the useless radioactive source of high activity is reorganized and outfit device and is adopted modular, dismantled and assembled structure; Be convenient to move and collect the useless radioactive source of temporary depots or user site; Adopt the mechanical arm remote-controlled operation to reduce operating personnel's radioactive dose, can effectively reduce the time of hot operation through the inner space layout design of optimizing.
Description of drawings
Fig. 1 reorganizes and outfit method flow diagram for the useless radioactive source of high activity;
Fig. 2 reorganizes and outfit the structural representation of device for the useless radioactive source of high activity;
Fig. 3 is the structural representation of package tube;
Fig. 4 is the structural representation of container containing.
Embodiment
Below in conjunction with accompanying drawing and implementation process the present invention is carried out detailed description.
The useless radioactive source of high activity provided by the present invention is reorganized and outfit method and isolated plant thereof and is one and can under dry conditions, produces, be temporary in the technology that the useless radioactive source of high activity in the lead container is reorganized and outfit to irradiation devices.
As shown in Figure 1, the useless radioactive source of high activity is reorganized and outfit method, adopts the useless radioactive source of special-purpose high activity to reorganize and outfit device and reorganizes and outfit, and detailed process is following:
At first, the temporary container traffic that will have the useless radioactive source of high activity is polluted inspection to the appointed place to vessel surface, and part is removed original container then;
Next reorganize and outfit, the original container that is loaded with the useless radioactive source of high activity is hung in reorganize and outfit in the device;
The useless radioactive source of high activity is taken out from the hanging basket of original container and the package tube encapsulation of packing into, and package tube can adopt the mode of screw thread encapsulation or welding encapsulation;
But packaged package tube is put into the packaged type container containing;
Container containing is put into the long term storage container, and the long term storage container is taken out from reorganize and outfit device;
Whether original container has residual radioactive source on inspection, after the passed examination, original container is taken out from reorganize and outfit device; And vessel surface polluted inspection;
The long term storage container can directly be stored; Perhaps container containing is taken out from the long term storage container, and adopt deep-wall type to store.
Before the useless radioactive source of high activity is reorganized and outfit the device use, must check each major equipment, guarantee to reorganize and outfit the security of operation.Inspection method is to use false useless radioactive source simulation to reorganize and outfit whole operation process, can accomplish smoothly reorganize and outfit operation be qualified.Reorganize and outfit after the completion and can stripping assembly to be transported to the next one and need to reorganize and outfit the place of the useless radioactive source of high activity and implement to reorganize and outfit.
The structure of the package tube of being mentioned in the said method is as shown in Figure 3, comprises body 7 and threaded cap 8, and body 7 is cylindrical-shaped structures of hollow, the bottom seals of body 7, and open top end is threaded; The bottom of threaded cap 8 is threaded, and the top has the projection of being convenient to Robot actions.
The structure of the container containing of being mentioned in the said method is as shown in Figure 4, comprises container body 9, container cover 10 and set bolt 11, but container body 9 is cylindrical structures of split capping formula up and down, and container body 9 is provided with package tube putting hole and fixed bolt hole; Said container cover 10 is the embedded structures in top, and container cover 10 tops are provided with the container lifting eye; Container body 9 is connected through set bolt 11 with said container cover 10.Package tube 7 places in the package tube putting hole of container containing.
For realizing the above-mentioned method of reorganizing and outfit, the invention provides a kind of isolated plant, its structure is as shown in Figure 2; Comprise an apparatus main body 1, physical dimension is 5500mm * 4700mm * 3000mm (length * wide * height), and apparatus main body 1 is provided with shield; Shield is provided with mechanical arm 5 and view window 6; The control section of mechanical arm 5 places apparatus main body 1 outside, and view window 6 also is respectively equipped with boom hoisting 4, automatic soldering device for charging the taper ellipse view window of zinc bromide solution in the apparatus main body 1.Described shield comprises four sides body of wall 3 and top cover 2.Body of wall 3 is the plate and frame structure that carbon steel sheet about 3mm surrounds hollow for inside and outside two layers of thickness, about middle filling thickness 1500mm, density>=1600kg/m
3Sand.Through pull bar and reinforced pipe are set between two-layer carbon steel sheet, the strength and stiffness of body of wall 3 are strengthened.Top cover 2 is the concrete cover of thickness 230mm.
Special use is reorganized and outfit device and is also comprised visible system, illuminator, power system, ventilating system and measuring system.Visible system adopts the autozoom camera; Illuminator adopts metal halide lamp; Power system is that various device provides power through motor; Ventilating system adopts and is arranged at the pollution that outside induced draft fan of device and filtrator discharge and purification plant inside possibly exist; Measuring system is one group of radiation dose and measuring contamination instrument.
The useless radioactive source of high activity provided by the present invention is reorganized and outfit device, and to be a cover reorganize and outfit the supporting special use of method and reorganize and outfit device with above-mentioned, and the useless radioactive source of the high activity after reorganizing and outfit can realize safe storage, subtract and hold and can return and get.Make the hot cell with present fixed high activity radioactive source and compare, characteristics such as that this device possesses is dismantled and assembled, make things convenient for transportation, flexible operation, cost are low.The reorganizing and outfit of the useless radioactive source of high activity of concentrating depots with country useless radioactive source that method provided by the present invention and device can be used for being stored in the user site.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technology thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (7)
1. the useless radioactive source of high activity is reorganized and outfit method, it is characterized in that: adopt the useless radioactive source of special-purpose high activity to reorganize and outfit device and reorganize and outfit, comprise following processing step:
The original container that is loaded with the useless radioactive source of high activity put into reorganize and outfit device;
The useless radioactive source of high activity is taken out from the hanging basket of original container and the package tube encapsulation of packing into;
But packaged package tube is put into the packaged type container containing;
Container containing is put into the long term storage container, and the long term storage container is taken out from reorganize and outfit device.
2. the useless radioactive source of high activity as claimed in claim 1 is reorganized and outfit method, and it is characterized in that: described long term storage container can directly be stored; Perhaps container containing is taken out from the long term storage container, and adopt deep-wall type to store.
3. the useless radioactive source of high activity as claimed in claim 1 is reorganized and outfit method, it is characterized in that: described package tube can adopt the mode of screw thread encapsulation or welding encapsulation.
4. the useless radioactive source of high activity is reorganized and outfit device; It is characterized in that: comprise an apparatus main body (1); Apparatus main body (1) is provided with shield; Shield is provided with mechanical arm (5) and liquid view window (6), and the control section of mechanical arm (5) places apparatus main body (1) outside, also is respectively equipped with boom hoisting (4), welder in the apparatus main body (1).
5. the useless radioactive source of high activity as claimed in claim 4 is reorganized and outfit device, and it is characterized in that: this device also comprises visible system, illuminator, power system, ventilating system and measuring system.
6. reorganize and outfit device like claim 4 or the useless radioactive source of 5 described high activity, it is characterized in that: described shield comprises four sides body of wall (3) and top cover (2).
7. the useless radioactive source of high activity as claimed in claim 6 is reorganized and outfit device, it is characterized in that: the body of wall of shield (3) be inside and outside two-layer carbon steel sheet surround the plate and frame structure of hollow, middle filling sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105526212A CN102467984A (en) | 2010-11-19 | 2010-11-19 | High-activity spent radioactive source conditioning method and special device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105526212A CN102467984A (en) | 2010-11-19 | 2010-11-19 | High-activity spent radioactive source conditioning method and special device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102467984A true CN102467984A (en) | 2012-05-23 |
Family
ID=46071500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105526212A Pending CN102467984A (en) | 2010-11-19 | 2010-11-19 | High-activity spent radioactive source conditioning method and special device thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456382A (en) * | 2012-06-04 | 2013-12-18 | 中国辐射防护研究院 | Ash discharging device for alpha waste incineration ash |
| CN105500379A (en) * | 2016-01-28 | 2016-04-20 | 西安西航集团航空航天地面设备有限公司 | Telescopic manipulator |
| CN105936039A (en) * | 2016-07-05 | 2016-09-14 | 成都航天烽火精密机电有限公司 | High-seal, high-strength and high-temperature-resistant sword type mechanical arm |
| CN108335765A (en) * | 2018-01-29 | 2018-07-27 | 中广核工程有限公司 | Spent nuclear fuel in nuclear power plant dry storage fuel tank |
| CN110097990A (en) * | 2018-01-31 | 2019-08-06 | 中国辐射防护研究院 | A kind of simulation container of the high whole container of high density polyethylene (HDPE) |
| CN110097989A (en) * | 2018-01-31 | 2019-08-06 | 中国辐射防护研究院 | It is a kind of to remove graphite dust pollution method for pebble bed high temperature reactor |
| CN110491537A (en) * | 2019-06-20 | 2019-11-22 | 中国辐射防护研究院 | A kind of cement solidification processing method of radioactive waste |
Citations (3)
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| EP0871180A1 (en) * | 1997-04-10 | 1998-10-14 | Commissariat A L'energie Atomique | Packaging for shipment of hazardous parcels such as containing high activity nuclear substances |
| CN1662998A (en) * | 2002-07-23 | 2005-08-31 | 三菱重工业株式会社 | Cask and method of producing the same |
| RU2273069C2 (en) * | 2004-02-20 | 2006-03-27 | Государственное унитарное предприятие города Москвы - объединенный эколого-технологический и научно-исследовательский центр по обезвреживанию РАО и охране окружающей среды (ГУП МосНПО "Радон") | Method and device for conditioning spent ionizing radiation sources |
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Patent Citations (3)
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| EP0871180A1 (en) * | 1997-04-10 | 1998-10-14 | Commissariat A L'energie Atomique | Packaging for shipment of hazardous parcels such as containing high activity nuclear substances |
| CN1662998A (en) * | 2002-07-23 | 2005-08-31 | 三菱重工业株式会社 | Cask and method of producing the same |
| RU2273069C2 (en) * | 2004-02-20 | 2006-03-27 | Государственное унитарное предприятие города Москвы - объединенный эколого-технологический и научно-исследовательский центр по обезвреживанию РАО и охране окружающей среды (ГУП МосНПО "Радон") | Method and device for conditioning spent ionizing radiation sources |
Non-Patent Citations (2)
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456382A (en) * | 2012-06-04 | 2013-12-18 | 中国辐射防护研究院 | Ash discharging device for alpha waste incineration ash |
| CN105500379A (en) * | 2016-01-28 | 2016-04-20 | 西安西航集团航空航天地面设备有限公司 | Telescopic manipulator |
| CN105936039A (en) * | 2016-07-05 | 2016-09-14 | 成都航天烽火精密机电有限公司 | High-seal, high-strength and high-temperature-resistant sword type mechanical arm |
| CN105936039B (en) * | 2016-07-05 | 2018-07-17 | 成都航天烽火精密机电有限公司 | High sealing, high intensity, heat safe sword formula manipulator |
| CN108335765A (en) * | 2018-01-29 | 2018-07-27 | 中广核工程有限公司 | Spent nuclear fuel in nuclear power plant dry storage fuel tank |
| CN110097990A (en) * | 2018-01-31 | 2019-08-06 | 中国辐射防护研究院 | A kind of simulation container of the high whole container of high density polyethylene (HDPE) |
| CN110097989A (en) * | 2018-01-31 | 2019-08-06 | 中国辐射防护研究院 | It is a kind of to remove graphite dust pollution method for pebble bed high temperature reactor |
| CN110097989B (en) * | 2018-01-31 | 2022-11-18 | 中国辐射防护研究院 | Graphite dust pollution removing method for pebble-bed high-temperature gas cooled reactor |
| CN110097990B (en) * | 2018-01-31 | 2023-01-17 | 中国辐射防护研究院 | Simulation container of high-density polyethylene high-integral container |
| CN110491537A (en) * | 2019-06-20 | 2019-11-22 | 中国辐射防护研究院 | A kind of cement solidification processing method of radioactive waste |
| CN110491537B (en) * | 2019-06-20 | 2023-06-23 | 中国辐射防护研究院 | Cement curing treatment method for radioactive waste |
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Application publication date: 20120523 |