CN202307179U - Receiving device of cobalt regulating rod assembly - Google Patents
Receiving device of cobalt regulating rod assembly Download PDFInfo
- Publication number
- CN202307179U CN202307179U CN2011204143222U CN201120414322U CN202307179U CN 202307179 U CN202307179 U CN 202307179U CN 2011204143222 U CN2011204143222 U CN 2011204143222U CN 201120414322 U CN201120414322 U CN 201120414322U CN 202307179 U CN202307179 U CN 202307179U
- Authority
- CN
- China
- Prior art keywords
- rod assembly
- regulating rod
- fixed
- shielding
- guide pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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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 utility model provides a receiving device for receiving a cobalt regulating rod assembly delivered by a shielding container. The receiving device comprises two support columns fixed on a support column base plate at interval; an upper support plate and a lower panel are both fixed above the two support columns; a shielding guide sleeve support plate is fixed on the top center parts of the two support columns, and a shielding guide sleeve with a channel in the center is tightly clamped and fixed between the lower panel and the shielding guiding sleeve support plate; a rod receiving frame fixed on the support column base plate is arranged below the shielding guiding sleeve support plate; a shielding ring is further fixed on the upper surface of the upper support plate; and the cobalt regulating rod assembly can pass through the through holes of the upper support plate, the lower panel, the shielding guide sleeve and the shielding guiding sleeve support plate in sequence and then fall into a receiving tank of the rod receiving frame. According to the receiving device disclosed by the utility model, as an interface device for the shielding container and an underwater work region, the receiving device can perform sufficient radiation shielding in the entire receiving process so as to ensure the safety and the cleanliness of operators and environment.
Description
Technical field
The utility model relates to cobalt-60 source rod production equipment technical field, is specifically related to a kind of receiving trap that is used to receive 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 or the like.Utilize the cobalt-60 of PHWR production to account for about 85% of whole world cobalt-60 output.The production of this cobalt-60 source rod promptly utilizes Canadian CANDU type reactor.
The structure of cobalt regulating rod assembly is as shown in Figure 8, is in series by a plurality of cobalt clusters, and the cobalt cluster is made up 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, the cobalt regulating rod assembly that cobalt-60 source rod is formed to transport outward because need disintegrating into the cobalt cluster in nuclear power plant.So the cobalt regulating rod assembly that in reactor, takes out need be reentered into the spentnuclear fuel pond and disintegrate.Here it is need provide cobalt regulating rod assembly to get into the spentnuclear fuel pond smoothly from cask flask, satisfies a kind of device of radiation shield requirement simultaneously.
Summary of the invention
The purpose of the utility model is to provide a kind of being used for to receive the cobalt regulating rod assembly that cask flask transports, and makes it send into spentnuclear fuel smoothly and receives the pond, and the cobalt regulating rod assembly receiving trap of enough radiation shields is provided simultaneously.
Realize the technical scheme of the utility model purpose: a kind of cobalt regulating rod assembly receiving trap, it comprises the two piece pillars of fixed interval on mat; Upper backup pad that is provided with 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 the shielding guide pin bushing that center has passage is fixedly clamped below between the plate and shielding guide pin bushing back up pad; 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 and shield the corresponding through hole in guide pin bushing central passage position on described upper backup pad, lower panel and the shielding guide pin bushing back up pad, fall in the receiving slit of excellent acceptance frame after making cobalt regulating rod assembly pass the through hole of upper backup pad, lower panel, shielding guide pin bushing, shielding guide pin bushing back up pad successively.
Aforesaid a kind of cobalt regulating rod assembly receiving trap, the receiving slit of its said excellent acceptance frame is obliquely installed angle and does, is 70～85 degree with level.
Aforesaid a kind of cobalt regulating rod assembly receiving trap, its separation on the receiving slit of excellent acceptance frame has the plurality of movable blend stop.
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 through 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 a stainless steel; Described shielding guide pin bushing is a back taper, forms by irritating 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 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.
The effect of the utility model is: the described cobalt regulating rod of the utility model assembly receiving trap 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 operating personnel and safety of environment, clean.Wherein, the shielding guide pin bushing shields the radiation of cobalt regulating rod assembly before getting under water fully from water surface top deeply under water.The rod acceptance frame receives with suitable angle under water and settles cobalt regulating rod assembly, prevents its elongated cluster distortion, influences 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 the described a kind of cobalt regulating rod assembly receiving trap perspective view of the utility model;
Fig. 2 is a kind of cobalt regulating rod assembly receiving trap side view shown in Figure 1;
Fig. 3 is the described a kind of cobalt regulating rod assembly receiving trap planar structure synoptic diagram of the utility model;
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 pin bushing structural representation;
Fig. 8 is a 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 accompanying drawing and specific embodiment the described cobalt regulating rod of the utility model assembly receiving trap is further described.
To shown in Figure 5, the main body of the described cobalt regulating rod of the utility model assembly receiving trap is the two piece pillars 6 of fixed interval on mat 7 like Fig. 1.These two pillars 6 are the stainless-steel pipe of Φ 250 * 10mm, are the main load parts of this receiving trap.
On upper backup pad 2, lower panel 3 and shielding guide pin bushing back up pad 11, have and shield the corresponding through hole in guide pin bushing 5 central passage positions.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 make that receiving slit 16 is firmly stable.In order to reinforce excellent acceptance frame 9, connect each other at three feet steel pipes 17 and to have fixed 3 or 4 steel connecting pipes 8.On receiving slit 16 separation 2 or 3 movable blend stops 10.
As shown in Figure 7, shielding guide pin bushing 5 has the back taper of passage for the center, forms by irritating lead in the stainless steel cladding.Shielding guide pin bushing 5 is main radiation shielded components.
Described receiving trap environment for use of the utility model 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.
The described receiving trap use of the utility model:
The described receiving trap of the utility model 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 through expansion bolt 4 and receives pond 12 sidewalls.Begin from the middle and upper part of shielding guide pin bushing 5, all deeply under water, the pool water within line is below 14 for receiving trap, 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 getting under water fully from water surface top deeply under water.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, influences subsequent treatment.Movable blend stop 10 on the rod acceptance frame prevents that when lifting cobalt regulating rod assembly 13 traction ropes 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 the two piece pillars (6) of fixed interval on mat (7); Upper backup pad (2) that is provided with up and down 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, the shielding guide pin bushing (5) that center has passage be fixedly clamped below plate (3) with shield between the guide pin bushing back up pad (11); 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), is fixedly connected with three feet steel pipes (17) in receiving slit (16) bottom, and three feet steel pipes (17) are fixed on the mat (7);
Have and shield the corresponding through hole in 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), fall in the receiving slit (16) of excellent acceptance frame (9) after making cobalt regulating rod assembly 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.
2. a kind of cobalt regulating rod assembly receiving trap according to claim 1, it is characterized in that: the receiving slit (16) of said excellent acceptance frame (9) is obliquely installed angle and does, 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: going up separation at the receiving slit (16) of excellent acceptance frame (9) has plurality of movable blend stop (10).
4. a kind of cobalt regulating rod assembly receiving trap according to claim 3 is characterized in that: going up separation at the receiving slit (16) of excellent acceptance frame (9) has 2～3 movable blend stops (10).
5. a kind of cobalt regulating rod assembly receiving trap according to claim 1 and 2 is characterized in that: between three feet steel pipes (17) of excellent acceptance frame (9), be fixedly connected with some connecting pipes (8).
6. a kind of cobalt regulating rod assembly receiving trap according to claim 5 is characterized in that: between three feet steel pipes (17) of excellent acceptance frame (9), be fixedly connected with 3～4 connecting pipes (8).
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 through expansion bolt (4) on one side and receive pond (12) sidewall.
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 a stainless steel; Described shielding guide pin bushing (5) is a back taper, forms by irritating 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 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 |
|---|---|---|---|
| CN2011204143222U CN202307179U (en) | 2011-10-26 | 2011-10-26 | Receiving device of cobalt regulating rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204143222U CN202307179U (en) | 2011-10-26 | 2011-10-26 | Receiving device of cobalt regulating rod assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202307179U true CN202307179U (en) | 2012-07-04 |
Family
ID=46376024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204143222U Withdrawn - After Issue CN202307179U (en) | 2011-10-26 | 2011-10-26 | Receiving device of cobalt regulating rod assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202307179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077757A (en) * | 2011-10-26 | 2013-05-01 | 上海核工程研究设计院 | Cobalt adjustment rod assembly receiving device |
| CN105009222A (en) * | 2013-03-13 | 2015-10-28 | 考克利尔维修工程 | Integrated system for forming and transporting packaging assemblies, and the assembly, filling and disassembly stations thereof |
-
2011
- 2011-10-26 CN CN2011204143222U patent/CN202307179U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077757A (en) * | 2011-10-26 | 2013-05-01 | 上海核工程研究设计院 | Cobalt adjustment rod assembly receiving device |
| CN103077757B (en) * | 2011-10-26 | 2015-09-30 | 上海核工程研究设计院 | Cobalt regulating rod assembly receiving trap |
| CN105009222A (en) * | 2013-03-13 | 2015-10-28 | 考克利尔维修工程 | Integrated system for forming and transporting packaging assemblies, and the assembly, filling and disassembly stations thereof |
| CN105009222B (en) * | 2013-03-13 | 2017-09-01 | 考克利尔维修工程 | Constitute and the integrated system and its assembling of component, filling and fractionation station are encapsulated in transport |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120704 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |