CN101800088A - Device for assembling fast reactor neutron source - Google Patents
Device for assembling fast reactor neutron source Download PDFInfo
- Publication number
- CN101800088A CN101800088A CN201010122750A CN201010122750A CN101800088A CN 101800088 A CN101800088 A CN 101800088A CN 201010122750 A CN201010122750 A CN 201010122750A CN 201010122750 A CN201010122750 A CN 201010122750A CN 101800088 A CN101800088 A CN 101800088A
- Authority
- CN
- China
- Prior art keywords
- neutron source
- cylindrical shell
- tubule
- lead
- stopper
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 6
- 210000005239 tubule Anatomy 0.000 claims description 22
- 239000012188 paraffin wax Substances 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229910000754 Wrought iron Inorganic materials 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003758 nuclear fuel Substances 0.000 description 2
- 229910052580 B4C Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Particle Accelerators (AREA)
Abstract
The invention belongs to the technical field of reactors, and particularly relates to a device for assembling a fast reactor neutron source, which comprises a shielding container, a bracket, a clamping device and a shielding body, and is characterized in that: the shielding container comprises a barrel body, a thin tube, a lead barrel, a plug and the like, the bracket is of a welding structure and comprises channel steel and arc plates welded on the channel steel, and the size and the distance between the arc plates are matched with the size of the shielding container; the clamping device is formed by connecting two clamping blocks through screws and nuts; the shielding body is of an upper cylindrical welding structure and a lower cylindrical welding structure, the upper section is thick, the lower section is thin, and the lower part of the clamping device can be just embedded into the shielding body through the tube in the center of the shielding body. The technical scheme provided by the invention can safely and conveniently load the single rod of the neutron source into the neutron source shell to complete the assembly of the neutron source component.
Description
Technical field
The invention belongs to the nuclear reactor art field, be specifically related to a kind of device that is used for the assembling of fast reactor neutron source.
Background technology
Fast breeder is called for short fast reactor, it is a kind of heap type that causes chain reaction of nuclear fission by fast neutron, its advantage be can be difficult to utilize in the thermal reactor and abundance be that U-238 more than 99.2% is converted into the nuclear fuel Pu-239 that can utilize, can greatly improve the utilization factor of nuclear fuel.
The assembling of neutron source comprises the shielding transportation and installation of neutron source, and the shielding of neutron source is adopted and contained shielding materials such as boron polyethylene, lead.The installation in pile neutron source generally imports in the reactor through shielding.The neutron source box of fast reactor needs safe transport to arrive the fast reactor reactor hall after isotope hot cell worktable is assembled into the single rod of neutron source, and with it in the charging passage is packed the neutron source housing into.In this course, need to realize the butt joint of interface and shielding to neutron source.
Summary of the invention
(1) goal of the invention
The object of the invention is finished the assembling of neutron source assembly for realizing with the single rod of the neutron source neutron source housing of packing under the situation of the good shielding to neutron source.
(2) technical scheme
For achieving the above object, the invention provides following technical scheme:
A kind of device that is used for the assembling of fast reactor neutron source comprises cask flask, carriage, gripping mechanism and shield, and key is:
Described cask flask comprises cylindrical shell, tubule, lead, stopper etc., and cylindrical shell is upper, middle and lower three cylindrical section shape welded structures, and the stage casing is the thickest the longest, and hypomere is the thinnest the shortest, and cylindrical shell epimere side is provided with handle, and on the handle being has rope to be used for fixing the single rod of neutron source.Tubule is positioned in the middle of the cylindrical shell, is fixed with lead on the tubule, and lead is positioned at the center of cylindrical shell.The single rod of neutron source places in the tubule, and the neutron source of its lower end places in the lead.The tubule below is plugged with stopper, and the stopper bottom is for filling the stainless steel bar of boracic paraffin, and top is elongated tygon rod.There is the rod iron that can insert and extract the stopper below.
Described carriage is a welded structure, comprises channel-section steel and welding arc plate thereon, and the size of arc plate and spacing and cask flask size adapt.
Described gripping mechanism is connected by screw-nut by two clamping blocks.Described shield is the cylindric welded structures of two sections, and the thick hypomere of epimere is thin, and the tube at shield center can make the bottom of gripping mechanism embed wherein just.
Described cylindrical shell is made by carbon steel sheet, and its inner boracic paraffin of filling is respectively equipped with hanger on cylindrical shell upper end and the side.The cylindrical shell top is equipped with top cover, and top cover is fixed on the cylindrical shell by housing screw.
Described tubule is made by stainless steel, and tubule is filled with tygon below neutron source.
The described lead outside coats layer of polyethylene.
Cover rubber slab on the arc plate of described carriage.Described carriage is provided with suspension ring, baffle plate and housing screw.
(3) beneficial effect
Technical scheme provided by the invention can be safely, the neutron source housing of easily the single rod of neutron source being packed into, finishes the assembling of neutron source assembly.
Description of drawings
Fig. 1 is the cask flask structural representation, and wherein 1 is cylindrical shell, and 2 is tubule, and 3 is the single rod of neutron source, and 4 is lead, and 5 is boracic paraffin, and 6 is stopper, and 7 for being rod iron, and 8 is housing screw, and 9 is top cover, and 10 is handle, and 11 is hanger;
Fig. 2 is the structural representation of carriage, and wherein 12 is channel-section steel, and 13 is the arc plate, and 14 is suspension ring;
Fig. 3 places synoptic diagram on the carriage for cask flask, and wherein 12 is channel-section steel, and 13 is the arc plate, and 14 is suspension ring, and 21 is baffle plate, and 22 is housing screw;
Fig. 4 is the neutron source assembly drawing, and 16 is cask flask, and 17 is gripping mechanism, and 18 is shield, and 19 is the neutron source assembly, and 20 is the changeover bobbin charging passage of fast reactor;
Fig. 5 is a gripping mechanism, and wherein 15 is clamping block.
Embodiment
The present invention is described further below in conjunction with specific embodiment.
Present embodiment discloses a kind of device that is used for the assembling of fast reactor neutron source, comprises cask flask 16, carriage, gripping mechanism 17 and shield 18.Cask flask 16 is fixed on is transported to the fast reactor reactor hall on the carriage, place on the shield 18 then,, realize the single rod 3 of the neutron source neutron source housing of packing into by gripping mechanism 17 location.Below specify.
The effect of described cask flask is: a, dock with isotope hot cell worktable, and will packing at the single rod of the neutron source of isotope hot cell worktable assembling, cask flask shields and transportation; The butt joint of b and fast reactor charging passage is packed neutron source in the neutron source housing into.Cask flask comprises cylindrical shell 1, tubule 2, lead 4, stopper 6 etc., and cylindrical shell 1 is upper, middle and lower three cylindrical section shape welded structures, and the stage casing is the thickest the longest, and hypomere is the thinnest the shortest.Cylindrical shell 1 epimere side is provided with handle 10, and on the handle 10 being has rope to be used for fixing the single rod 3 of neutron source.Be respectively equipped with hanger 11 on cylindrical shell 1 upper end and the side, be used for lifting.Cylindrical shell 1 is made by carbon steel sheet, and its inner boracic paraffin 5 of filling plays the effect of shielding neutron source.Cylindrical shell 1 top is equipped with top cover 9, and top cover 9 usefulness housing screws 8 are fixed on the cylindrical shell 1.
Described carriage is a welded structure, comprise channel-section steel 12 and welding thereon with cask flask 16 big or small corresponding arc plates 13.With housing screw cask flask is pressed abd fixed on the channel-section steel 12 of carriage, the weight of cask flask is pressed on the arc plate 13.Cover rubber slab on the arc plate of carriage, be used for cushioning the impact of transportation, improve stationarity.Carriage is provided with suspension ring 14, is used for the lifting of carriage and cask flask.
Described gripping mechanism 17 is connected by screw-nut by two clamping blocks 15.
Described shield is the cylindric welded structures of two sections, and the thick hypomere of epimere is thin, and the tube at shield center can make the bottom of gripping mechanism 17 embed wherein just.Shield 18 is a polythene material, in the changeover bobbin charging passage 20 of the fast reactor of packing into, for neutron source assembly that the single rod of neutron source is packed into provides support.
Fig. 4 is seen in the neutron source assembling.With pack into the changeover bobbin charging passage 20 of fast reactor of shield 18; Gripping mechanism 17 bottoms are embedded in the shield; The bottom aligning gripping mechanism 17 of cask flask 18 is put into and tightened by gripping mechanism 17; Slowly put down the nylon rope that is fixed on the handle 10 the single rod 3 of neutron source is put into the housing of neutron source assembly 19, promptly finish the assembling of neutron source assembly.
Above content be in conjunction with preferred embodiment to specifying that the present invention did, can not assert that the specific embodiment of the present invention only limits to these explanations.Concerning the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deductions and conversion, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. a device that is used for the assembling of fast reactor neutron source comprises cask flask (16), carriage, gripping mechanism (17) and shield (18), it is characterized in that:
Described cask flask comprises cylindrical shell (1), tubule (2), lead (4), stopper (6) etc., cylindrical shell (1) is upper, middle and lower three cylindrical section shape welded structures, the stage casing is the thickest the longest, hypomere is the thinnest the shortest, cylindrical shell (1) epimere side is provided with handle (10), and handle (10) is gone up system has rope to be used for fixing the single rod of neutron source (3); Tubule (2) is positioned in the middle of the cylindrical shell (1), is fixed with lead (4) on the tubule (2), and lead (4) is positioned at the center of cylindrical shell (1); The single rod of neutron source (3) places in the tubule (2), and the neutron source of its lower end places in the lead (4); Tubule (2) below is plugged with stopper (6), and stopper (6) below is equipped with the rod iron (7) that can insert and extract;
Described carriage is a welded structure, comprises channel-section steel (12) and welding arc plate (13) thereon, and the size of arc plate (13) and spacing and cask flask (16) size adapt;
Described gripping mechanism (17) is connected by screw-nut by two clamping blocks (15);
Described shield (18) is the cylindric welded structures of two sections, and the thick hypomere of epimere is thin, and the tube at shield (18) center can make the bottom of gripping mechanism (17) embed wherein just.
2. device according to claim 1 is characterized in that: be respectively equipped with hanger (11) on described cylindrical shell (1) upper end and the side.
3. device according to claim 1 and 2 is characterized in that: described cylindrical shell (1) is made by carbon steel sheet, its inner boracic paraffin (5) of filling.
4. device according to claim 1 is characterized in that: described tubule (2) is made by stainless steel.
5. device according to claim 1 is characterized in that: described lead (4) outside coats layer of polyethylene.
6. device according to claim 1 is characterized in that: described stopper (6) bottom is for filling the stainless steel bar of boracic paraffin, and top is elongated tygon rod.
7. device according to claim 1 is characterized in that: cylindrical shell (1) top is equipped with top cover (9), and top cover (9) is fixed on the cylindrical shell (1) by housing screw (8).
8. device according to claim 1 is characterized in that: the arc plate (13) of described carriage is gone up and is covered rubber slab.
9. device according to claim 1 is characterized in that: described carriage is provided with suspension ring (14), baffle plate (21) and housing screw (22).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101227508A CN101800088B (en) | 2010-03-12 | 2010-03-12 | Device for assembling fast reactor neutron source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101227508A CN101800088B (en) | 2010-03-12 | 2010-03-12 | Device for assembling fast reactor neutron source |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101800088A true CN101800088A (en) | 2010-08-11 |
CN101800088B CN101800088B (en) | 2012-12-19 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2010101227508A Active CN101800088B (en) | 2010-03-12 | 2010-03-12 | Device for assembling fast reactor neutron source |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102314954A (en) * | 2011-09-06 | 2012-01-11 | 原子高科股份有限公司 | Storage and transportation container of primary neutron source component for starting nuclear reactor |
CN108721793A (en) * | 2018-06-15 | 2018-11-02 | 岑永娟 | Gamma knife radiotherapy equipment radioactive sources safety dress changes system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01131491A (en) * | 1987-08-14 | 1989-05-24 | Power Reactor & Nuclear Fuel Dev Corp | Fuel relay device in reactor container of liquid metal cooling fast breeder |
JPH02128197A (en) * | 1988-10-03 | 1990-05-16 | Commiss Energ Atom | Moving poker for nuclear fuel assembly and nuclear reaction incorporating the same |
JPH05288891A (en) * | 1992-04-07 | 1993-11-05 | Fuji Electric Co Ltd | Refueling machine of fast breeder reactor |
CN2442365Y (en) * | 2000-08-24 | 2001-08-08 | 邓玉福 | Long life sealed neutron source |
CN2775829Y (en) * | 2004-12-30 | 2006-04-26 | 吉林省科仑辐射技术开发有限公司 | High-yield rate neutron tube |
-
2010
- 2010-03-12 CN CN2010101227508A patent/CN101800088B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01131491A (en) * | 1987-08-14 | 1989-05-24 | Power Reactor & Nuclear Fuel Dev Corp | Fuel relay device in reactor container of liquid metal cooling fast breeder |
JPH02128197A (en) * | 1988-10-03 | 1990-05-16 | Commiss Energ Atom | Moving poker for nuclear fuel assembly and nuclear reaction incorporating the same |
JPH05288891A (en) * | 1992-04-07 | 1993-11-05 | Fuji Electric Co Ltd | Refueling machine of fast breeder reactor |
CN2442365Y (en) * | 2000-08-24 | 2001-08-08 | 邓玉福 | Long life sealed neutron source |
CN2775829Y (en) * | 2004-12-30 | 2006-04-26 | 吉林省科仑辐射技术开发有限公司 | High-yield rate neutron tube |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102314954A (en) * | 2011-09-06 | 2012-01-11 | 原子高科股份有限公司 | Storage and transportation container of primary neutron source component for starting nuclear reactor |
CN108721793A (en) * | 2018-06-15 | 2018-11-02 | 岑永娟 | Gamma knife radiotherapy equipment radioactive sources safety dress changes system |
CN108721793B (en) * | 2018-06-15 | 2023-09-22 | 岑永娟 | Safe radioactive source replacing system of gamma knife radiotherapy equipment |
Also Published As
Publication number | Publication date |
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CN101800088B (en) | 2012-12-19 |
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