CN103077757A - Cobalt adjustment rod assembly receiving device - Google Patents
Cobalt adjustment rod assembly receiving device Download PDFInfo
- Publication number
- CN103077757A CN103077757A CN2011103302599A CN201110330259A CN103077757A CN 103077757 A CN103077757 A CN 103077757A CN 2011103302599 A CN2011103302599 A CN 2011103302599A CN 201110330259 A CN201110330259 A CN 201110330259A CN 103077757 A CN103077757 A CN 103077757A
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- Prior art keywords
- rod assembly
- fixed
- regulating rod
- shielding
- cobalt
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention provides a receiving device used for receiving cobalt adjustment rod assemblies delivered by a shielding container. The device comprises two pillars fixed on a pillar bottom plate with a certain space. An upper supporting plate and a lower panel are fixed above the two pillars. A shielding guide sleeve supporting plate is fixed on a middle-upper part of the two pillars. A shielding guide sleeve with a channel in the center is firmly clamped and fixed between the lower panel and the shielding guide sleeve supporting plate. A rod receiving rack fixed on the pillar bottom plate is arranged below the shielding guide sleeve supporting plate. A shielding ring is fixed on the upper surface of the upper supporting plate. A cobalt adjustment rod assembly can sequentially penetrate through holes of the upper supporting plate, the lower panel, the shielding guide sleeve, and the shielding guide sleeve supporting plate, and falls into a receiving tank of the rod receiving rack. The device provided by the invention serves as an interface device between the shielding container and an underwater working area. During an entire receiving process, the device provides enough radiation shielding, such that the safety and sanitation of operators and the environment are ensured.
Description
Technical field
The present invention relates to cobalt-60 source rod production equipment technical field, be specifically related to a kind of receiving trap for receiving cobalt regulating rod assembly.
Background technology
Cobalt-the 60th, a kind of good gamma ray radiator, it emits strong gamma-rays, the half life period that energy is 1.33MeV and 1.17MeV when changing in quality be 5.27.It can be used for food irradiation fresh-keeping, medical treatment and sterilization, industrial flaw detection and scientific research field etc.The cobalt-60 that utilizes heavy water reactor to produce accounts for about 85% of whole world cobalt-60 output.The production of this cobalt-60 source rod namely utilizes Canadian CANDU type reactor.
The structure of cobalt regulating rod assembly is in series by a plurality of cobalt clusters as shown in Figure 8, and the cobalt cluster is comprised of a plurality of cobalts-60 source rod.In the nuclear power plant, the transfer of high radioactivity thing and operation are generally carried out under water, such as nuclear fuel rod and spent fuel rods.Cobalt-60 source rod is the auxiliary product of nuclear power plant, does not have special-purpose transfering channel, must rely on cask flask to carry out transportation in the factory.But because need to disintegrating into the cobalt cluster in nuclear power plant, the cobalt regulating rod assembly that cobalt-60 source rod forms to transport outward.So the cobalt regulating rod assembly that takes out in reactor need be reentered into the Spent Fuel Pool and disintegrate.Here it is need to provide cobalt regulating rod assembly to enter smoothly Spent Fuel Pool from cask flask, satisfies simultaneously a kind of device of radiation shield requirement.
Summary of the invention
The object of the present invention is to provide a kind of being used for to receive the cobalt regulating rod assembly that cask flask transports, make it send into smoothly spentnuclear fuel and receive the pond, the cobalt regulating rod assembly receiving trap of enough radiation shields is provided simultaneously.
Realize the technical scheme of the object of the invention: a kind of cobalt regulating rod assembly receiving trap, it comprises that the interval is fixed on two pillars on the mat; Upper backup pad setting up and down and lower panel all are fixed on two pillar tops; Shielding guide pin bushing back up pad is fixed on two pillar middle and upper parts, and center is fixedly clamped below between the plate and shielding guide pin bushing back up pad with the shielding guide pin bushing of passage; Below shielding guide pin bushing back up pad, be provided with the excellent acceptance frame that is fixed on the mat; Also be fixed with shading ring at the upper backup pad upper surface;
Described excellent acceptance frame comprises a tilted-putted semicircle receiving slit, is fixedly connected with three feet steel pipes in the receiving slit bottom, and three feet steel pipes are fixed on the mat;
Have the through hole corresponding with shielding guide pin bushing central passage position on described upper backup pad, lower panel and the shielding guide pin bushing back up pad, so that cobalt regulating rod assembly falls in the receiving slit of excellent acceptance frame after passing successively the through hole of upper backup pad, lower panel, shielding guide pin bushing, shielding guide pin bushing back up pad.
Aforesaid a kind of cobalt regulating rod assembly receiving trap, the receiving slit of its described excellent acceptance frame is obliquely installed angle and is, is 70～85 degree with level.
Aforesaid a kind of cobalt regulating rod assembly receiving trap, its interval on the receiving slit of excellent acceptance frame is furnished with several movable blend stops.
Aforesaid a kind of cobalt regulating rod assembly receiving trap, it is fixedly connected with some connecting pipes between three feet steel pipes of excellent acceptance frame.
Aforesaid a kind of cobalt regulating rod assembly receiving trap, its described upper backup pad is " L " type, it can be fixed on spentnuclear fuel by expansion bolt on one side and receive the pond sidewall.
Aforesaid a kind of cobalt regulating rod assembly receiving trap, its described two pillars are stainless-steel pipe; Described shading ring is stainless steel; Described shielding guide pin bushing is back taper, forms by filling with lead in the stainless steel cladding.
Aforesaid a kind of cobalt regulating rod assembly receiving trap, its described three feet steel pipes that are fixedly connected with in the receiving slit bottom, be umbrella shape and arrange that the top all is connected and fixed on same position place, receiving slit bottom, the bottom is fastened on the diverse location place of mat.
Effect of the present invention is: cobalt regulating rod assembly receiving trap of the present invention is used for receiving cask flask and transports next cobalt regulating rod assembly.It provides enough radiation shields as the interface arrangement in cask flask and underwater operation district in whole receiving course, to guarantee the safe, clean of operating personnel and environment.Wherein, the shielding guide pin bushing is from water surface top underwater, the radiation of shielding cobalt regulating rod assembly before entering under water fully.The rod acceptance frame receives with suitable angle under water and settles cobalt regulating rod assembly, prevents its elongated cluster distortion, affects subsequent treatment.Movable blend stop on the rod acceptance frame prevents that when lifting cobalt regulating rod assembly accident is lifted from excellent acceptance frame to cobalt regulating rod assembly.Shielding guide pin bushing back up pad is positioned at the position, middle and upper part of pillar, gives and its supporting role from shielding guide pin bushing below.
Description of drawings
Fig. 1 is a kind of cobalt regulating rod assembly receiving trap perspective view of the present invention;
Fig. 2 is a kind of cobalt regulating rod assembly receiving trap side view shown in Figure 1;
Fig. 3 is a kind of cobalt regulating rod assembly receiving trap planar structure synoptic diagram of the present invention;
Fig. 4 is a kind of cobalt regulating rod assembly receiving trap side view shown in Figure 2;
Fig. 5 is a kind of cobalt regulating rod assembly receiving trap vertical view shown in Figure 2;
Fig. 6 is excellent acceptance frame structural representation;
Fig. 7 is shielding guide sleeve structure synoptic diagram;
Fig. 8 is cobalt regulating rod modular construction synoptic diagram.
Among the figure: the 1-shading ring; The 2-upper backup pad; The 3-lower panel; The 4-expansion bolt; 5-shields guide pin bushing; The 6-pillar; The 7-mat; The 8-connecting pipe; 9-rod acceptance frame; The movable blend stop of 10-; 11-shielding guide pin bushing back up pad; The 12-spentnuclear fuel receives the pond; 13-cobalt regulating rod assembly; 14-pond waterline; The 15-cask flask; The 16-receiving slit.
Embodiment
Below in conjunction with the drawings and specific embodiments cobalt regulating rod assembly receiving trap of the present invention is further described.
To shown in Figure 5, the main body of cobalt regulating rod assembly receiving trap of the present invention is that the interval is fixed on two pillars 6 on the mat 7 such as Fig. 1.These two pillars 6 are the stainless-steel pipe of Φ 250 * 10mm, are the main load parts of this receiving trap.
Have the through hole corresponding with shielding guide pin bushing 5 central passage positions in upper backup pad 2, lower panel 3 and shielding guide pin bushing back up pad 11.Elongated cobalt regulating rod assembly can pass the through hole of upper backup pad 2, lower panel 3, shielding guide pin bushing 5, shielding guide pin bushing back up pad 11 successively, falls at last in the receiving slit 16 of excellent acceptance frame 9.
As shown in Figure 6, excellent acceptance frame 9 comprises the semicircle receiving slit 16 of a long 4460mm, and this receiving slit 16 is obliquely installed, and is 80 degree angles with level.Be connected with three feet steel pipes 17 in receiving slit 16 bottoms.Three feet steel pipes 17 are umbrella shape and arrange that the top all is connected and fixed on same position place, receiving slit 16 bottom, and the bottom is fastened on the diverse location place of mat 7, thereby so that receiving slit 16 is firmly stable.In order to reinforce excellent acceptance frame 9,3 or 4 steel connecting pipes 8 have been connected and fixed each other at three feet steel pipes 17.2 or 3 movable blend stops 10 have been arranged in the interval on receiving slit 16.
As shown in Figure 7, with the back taper of passage, form by filling with lead in the stainless steel cladding centered by the shielding guide pin bushing 5.Shielding guide pin bushing 5 is main radiation shielded components.
Receiving trap environment for use of the present invention and target:
Spentnuclear fuel receives pond 12: dark about 8 meters is the boracic deionized water in the pond;
Cask flask 15: being about 6.5 meters, diameter is 0.61 meter, heavily about 25 tons;
Cobalt-60 regulating rod assembly 13: be about 4.22 meters, diameter is 63 millimeters.
Receiving trap use procedure of the present invention:
Receiving trap of the present invention is positioned over spentnuclear fuel and receives in 12 1 sides of pond, and mat 7 contact spentnuclear fuels are received at the bottom of 12 ponds, pond, and one side of the upper backup pad 2 of " L " type is fastened on spentnuclear fuel by expansion bolt 4 and receives pond 12 sidewalls.From the middle and upper part of shielding guide pin bushing 5, the equal underwater of receiving trap, pool water within line are below 14, and excellent acceptance frame 9 must place under water fully.
Shielding guide pin bushing 5 shields the radiation of cobalt regulating rod assembly 13 before entering under water fully from water surface top underwater.Rod acceptance frame 9 receives and settles cobalt regulating rod assembly 13 with suitable angle (being 75～85 degree with level) under water, prevents its elongated cluster distortion, affects subsequent treatment.Movable blend stop 10 on the rod acceptance frame prevents that when lifting cobalt regulating rod assembly 13 traction rope accident is lifted from excellent acceptance frame 9 to cobalt regulating rod assembly.
Claims (9)
1. cobalt regulating rod assembly receiving trap, it is characterized in that: it comprises that the interval is fixed on two pillars (6) on the mat (7); Upper backup pad setting up and down (2) and lower panel (3) all are fixed on two pillars (6) top; Shielding guide pin bushing back up pad (11) is fixed on two pillars (6) middle and upper part, and center is be fixedly clamped below plate (3) and shielding between the guide pin bushing back up pad (11) of the shielding guide pin bushing (5) of passage; Be provided with the excellent acceptance frame (9) that is fixed on the mat (7) in shielding guide pin bushing back up pad (11) below; Also be fixed with shading ring (1) at upper backup pad (2) upper surface;
Described excellent acceptance frame (9) comprises a tilted-putted semicircle receiving slit (16), be fixedly connected with three feet steel pipes (17) in receiving slit (16) bottom, three feet steel pipes (17) are fixed on the mat (7);
Have the through hole corresponding with shielding guide pin bushing (5) central passage position on described upper backup pad (2), lower panel (3) and the shielding guide pin bushing back up pad (11), so that cobalt regulating rod assembly falls in the receiving slit (16) of excellent acceptance frame (9) after passing successively the through hole of upper backup pad (2), lower panel (3), shielding guide pin bushing (5), shielding guide pin bushing back up pad (11).
2. a kind of cobalt regulating rod assembly receiving trap according to claim 1, it is characterized in that: the receiving slit (16) of described excellent acceptance frame (9) is obliquely installed angle and is, is 70～85 degree with level.
3. a kind of cobalt regulating rod assembly receiving trap according to claim 1 and 2 is characterized in that: be furnished with several movable blend stops (10) at the upper interval of the receiving slit (16) of excellent acceptance frame (9).
4. a kind of cobalt regulating rod assembly receiving trap according to claim 3 is characterized in that: be furnished with 2～3 movable blend stops (10) at the upper interval of the receiving slit (16) of excellent acceptance frame (9).
5. a kind of cobalt regulating rod assembly receiving trap according to claim 1 and 2 is characterized in that: be fixedly connected with some connecting pipes (8) between three feet steel pipes (17) of excellent acceptance frame (9).
6. a kind of cobalt regulating rod assembly receiving trap according to claim 5 is characterized in that: be fixedly connected with 3～4 connecting pipes (8) between three feet steel pipes (17) of excellent acceptance frame (9).
7. a kind of cobalt regulating rod assembly receiving trap according to claim 1, it is characterized in that: described upper backup pad (2) is " L " type, it can be fixed on spentnuclear fuel reception pond (12) sidewall by expansion bolt (4) on one side.
8. a kind of cobalt regulating rod assembly receiving trap according to claim 1, it is characterized in that: described two pillars (6) are stainless-steel pipe; Described shading ring (1) is stainless steel; Described shielding guide pin bushing (5) is back taper, forms by filling with lead in the stainless steel cladding.
9. a kind of cobalt regulating rod assembly receiving trap according to claim 1, it is characterized in that: the described three feet steel pipes (17) that are fixedly connected with in receiving slit (16) bottom, being umbrella shape arranges, the top all is connected and fixed on same position place, receiving slit (16) bottom, and the bottom is fastened on the diverse location place of mat (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110330259.9A CN103077757B (en) | 2011-10-26 | 2011-10-26 | Cobalt regulating rod assembly receiving trap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110330259.9A CN103077757B (en) | 2011-10-26 | 2011-10-26 | Cobalt regulating rod assembly receiving trap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103077757A true CN103077757A (en) | 2013-05-01 |
| CN103077757B CN103077757B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110330259.9A Active CN103077757B (en) | 2011-10-26 | 2011-10-26 | Cobalt regulating rod assembly receiving trap |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681116A (en) * | 2013-11-27 | 2015-06-03 | 上海核工程研究设计院 | Cobalt regulating rod and cobalt rod cluster component used for producing medical cobalt source with high specific activity |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4659536A (en) * | 1985-06-14 | 1987-04-21 | Proto-Power Corporation | System and method for consolidating spent fuel rods |
| CN2554772Y (en) * | 2002-07-17 | 2003-06-04 | 浙江大学 | Lifting ring forced landing devcie for lifting 60Co-gamma irradiation bomb |
| CN101252025A (en) * | 2008-03-13 | 2008-08-27 | 上海核工程研究设计院 | Heavy water stack cobalt regulating rod component |
| CN201359859Y (en) * | 2009-01-21 | 2009-12-09 | 中国核电工程有限公司 | Long pole gripping apparatus |
| CN101740146A (en) * | 2008-11-20 | 2010-06-16 | 中国核电工程有限公司 | Double-station gripping apparatus |
| CN202307179U (en) * | 2011-10-26 | 2012-07-04 | 上海核工程研究设计院 | Receiving device of cobalt regulating rod assembly |
-
2011
- 2011-10-26 CN CN201110330259.9A patent/CN103077757B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4659536A (en) * | 1985-06-14 | 1987-04-21 | Proto-Power Corporation | System and method for consolidating spent fuel rods |
| CN2554772Y (en) * | 2002-07-17 | 2003-06-04 | 浙江大学 | Lifting ring forced landing devcie for lifting 60Co-gamma irradiation bomb |
| CN101252025A (en) * | 2008-03-13 | 2008-08-27 | 上海核工程研究设计院 | Heavy water stack cobalt regulating rod component |
| CN101740146A (en) * | 2008-11-20 | 2010-06-16 | 中国核电工程有限公司 | Double-station gripping apparatus |
| CN201359859Y (en) * | 2009-01-21 | 2009-12-09 | 中国核电工程有限公司 | Long pole gripping apparatus |
| CN202307179U (en) * | 2011-10-26 | 2012-07-04 | 上海核工程研究设计院 | Receiving device of cobalt regulating rod assembly |
Non-Patent Citations (1)
| Title |
|---|
| 沈秋平 等: "燃料组件修复装置的设计", 《核技术》, vol. 33, no. 2, 28 February 2010 (2010-02-28) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681116A (en) * | 2013-11-27 | 2015-06-03 | 上海核工程研究设计院 | Cobalt regulating rod and cobalt rod cluster component used for producing medical cobalt source with high specific activity |
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| CN103077757B (en) | 2015-09-30 |
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| C14 | Grant of patent or utility model | ||
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: Shanghai Nuclear Engineering Research & Design Institute |
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| 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 Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |