CN102097138B - Heavy water tank - Google Patents
Heavy water tank Download PDFInfo
- Publication number
- CN102097138B CN102097138B CN2010105310896A CN201010531089A CN102097138B CN 102097138 B CN102097138 B CN 102097138B CN 2010105310896 A CN2010105310896 A CN 2010105310896A CN 201010531089 A CN201010531089 A CN 201010531089A CN 102097138 B CN102097138 B CN 102097138B
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- Prior art keywords
- heavy water
- main cylinder
- grid plate
- assembly
- lower grid
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- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 title claims abstract description 171
- 238000003466 welding Methods 0.000 claims description 10
- 238000009835 boiling Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract 4
- 239000002184 metal Substances 0.000 description 5
- 238000000429 assembly Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 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
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to the technical field of nuclear reactors, and particularly relates to a heavy water tank which comprises an upper flange, a main cylinder body, a lower flange and a lower end enclosure assembly, wherein the upper end of the main cylinder body is welded with the upper flange, and the lower end of the main cylinder body is connected with the lower end enclosure assembly. And the upper end of the inner wall of the main cylinder body is fixedly provided with an overflow cofferdam assembly through bolts. The upper part of the lower end enclosure assembly is provided with a lower grid plate assembly which comprises a lower grid plate, a vertical pore canal support piece, a cold source, a scalding source vertical pore canal support piece and a safety rod conduit support piece, wherein the vertical pore canal support piece, the cold source, the scalding source vertical pore canal support piece and the safety rod conduit support piece are fixed on the lower grid plate through bolts, and the lower grid plate is installed on the short. The lower grid plate assembly further comprises a supporting short cylinder, the lower grid plate is fixed on the supporting short cylinder, and the supporting short cylinder is fixed on the boss through a bolt. The heavy water tank provided by the invention completely realizes the functions of slowing heavy water and using the heavy water as a reflecting layer, and has the advantages of multi-directional interface, safety, reliability, good sealing property and the like.
Description
Technical field
The invention belongs to the nuclear reactor technology field, be specifically related to a kind of heavy water case.
Background technology
Need carry out multinomial Physical Experiment on the research nuclear reactor; Be furnished with polytype vertical channel and horizontal hole; Requirement according to physical computing; Should be provided with one can hold heavy water as neutron reflector container, different reactors designs the different techniques scheme as required and satisfies this requirement.
Summary of the invention
(1) goal of the invention
The object of the invention is for pool reactor a kind of container that holds heavy water that multi-faceted interface, safe and reliable, good airproof performance are arranged to be provided.
(2) technical scheme
For realizing above-mentioned purpose, the present invention provides following technical scheme:
A kind of heavy water case comprises upper flange, main cylinder, lower flange, and the upper end of said main cylinder and upper flange welding also comprise the low head assembly, and said main cylinder lower end is connected with the low head assembly.
Said low head assembly is integrally welded by end socket, boss, becate, and said end socket is welded on the boss, and becate and end socket are weldingly connected; Said becate and lower flange are weldingly connected; The lower end of said main cylinder is connected on the becate through the jam welding mode.
Through bolt overflow cofferdam assembly is installed in said main cylinder inwall upper end.
Above said low head assembly, be provided with the lower grid plate assembly; Comprise lower grid plate and pass through bolt vertical channel support member, low-temperature receiver and boiling hot source vertical channel support member and safety rod conduit support on it, said lower grid plate is installed on the becate through bolt.
Said lower grid plate assembly also comprises the short tube of support, and said lower grid plate is fixed on the short tube of said support, and said support weak point tube is through being bolted on the boss.
The sidewall of said main cylinder is provided with the complex root horizontal hole and takes over.
Also be provided with heavy water inlet endless tube, heavy water outlet, heavy water delivery pipe, said heavy water inlet endless tube is assemblied on the end socket of main cylinder lower end, and its inlet end stretches out heavy water case main cylinder outer wall; The heavy water outlet is arranged at main cylinder outer wall upper end; The heavy water delivery pipe is arranged at the bottom of main cylinder.
Said heavy water inlet tube is a loop pipe, and the even perforate in top.
The position of said heavy water outlet is positioned at the lower end of overflow cofferdam assembly, and downward-sloping with low-angle.
Also comprise core vessel leak detection adapter.
(3) beneficial effect
Heavy water case provided by the invention has been realized heavy water slowing down and the heavy water function as the reflection horizon fully, and has advantages such as multi-faceted interface, safe and reliable, good airproof performance.
Description of drawings
Fig. 1 is a heavy water box structure synoptic diagram, wherein 1 upper flange, 2 overflow cofferdam assemblies, 3 main cylinders, 4 vertical channel support members, 5 boss, 6 end sockets, 7 lower flanges, 8 bolt and nuts, 9 heavy water inlet endless tube, 10 lower grid plate assemblies, 11 heavy water delivery pipes, 12 low-temperature receivers and boiling hot source vertical channel support member, 13 safety rod conduit support, the adapter of 14 horizontal holes, 15 heavy water outlets;
Fig. 2 is the heavy water case upper flange at I place among Fig. 1 and the seal weld structure diagram of guide tank lower cover, wherein 1 heavy water case upper flange, 16 single track metal o-rings, 22 sealing surfaces, 23 guide tank lower covers;
Fig. 3 heavy water case inner connecting tube and vertical channel support member distribution schematic diagram, wherein 4 vertical channel support members, 9 heavy water inlet endless tube, 11 heavy water delivery pipes, 12 low-temperature receivers and boiling hot source vertical channel support member, 13 safety rod conduit support, the adapter of 14 horizontal holes, 15 heavy water outlets, 17 heavy water fairleads, the leak detection of 18 core vessels are taken over;
Fig. 4 is an overflow cofferdam assembly sectional view;
Fig. 5 is a low head modular construction sketch, wherein 5 boss, 6 end sockets, 7 lower flanges, 19 becates;
Fig. 6 is a lower grid plate modular construction sketch, and wherein 4 vertical channel support members, 12 low-temperature receivers and boiling hot source vertical channel support member, 13 safety rod conduit support, 20 lower grid plates, 21 support short tube;
Fig. 7 is that heavy water case horizontal hole is taken over and horizontal hole neutron fairlead and connecting cylinder assembly structure sketch, wherein 14 horizontal holes adapter, 24 single track metal o-rings and seal weld, 25 horizontal hole neutron fairleads, 26 horizontal holes, 27 horizontal hole connecting cylinders.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is further specified.
Present embodiment provides the heavy water case of using in the Chinese advanced research reactor (CARR), and this heavy water case also can be applied in the similar pool reactor, in order to hold the heavy water as moderator and reflection horizon.
Specifically; A kind ofly be used for the heavy water case that pool reactor provides heavy water slowing down and heavy water reflector, comprise that upper flange 1, overflow cofferdam assembly 2, main cylinder 3, lower grid plate assembly 10, low head assembly and 9 horizontal holes take over 14, heavy water inlet endless tube 9, heavy water outlet 15, heavy water delivery pipe 11,17,9 horizontal holes of heavy water fairlead are taken over leak detection and a core vessel leak detection takes over 18.
The upper end of said main cylinder 3 adopts the jam welding mode to be connected with upper flange 1.Main cylinder 3 lower ends are connected with the low head assembly; Said low head assembly comprises becate 19, end socket 6, boss 5 and lower flange 7, and end socket 6 is connected on the boss 5, and becate 19 is connected end socket 6 with lower flange 7; As shown in Figure 5, above-mentioned connected mode all adopts jam welding to connect.Said main cylinder 3 lower ends also adopt the jam welding mode to be connected with becate 19.
Said overflow cofferdam assembly 2 adopts bolt to be installed in main cylinder 3 inwalls near upper flange 1 place, like Fig. 1 and shown in Figure 4, guarantee the heavy water water level maintain specific height and thus overflow go out the heavy water case, guaranteed that also helium chamber, heavy water top height is constant simultaneously.
Said lower grid plate assembly 10 comprises lower grid plate 20 and fixing vertical channel support member 4, low-temperature receiver and boiling hot source vertical channel support member 12 and safety rod conduit support 13 on it.Said lower grid plate 20 is weldingly fixed on the short tube 21 of support of its below.Said lower grid plate 20 on becate 19, is equipped with 4,2 low-temperature receivers of 20 vertical channel support members and boiling hot source vertical channel support member 12 and 2 safety rod conduit support 13 through bolts assemblies on the lower grid plate 20, as shown in Figure 6.Said 2 low-temperature receivers and boiling hot source vertical channel support member 12 can exchange use.Lower grid plate assembly 10 adopts bolts to fix each vertical channel support member 4, low-temperature receiver and boiling hot source vertical channel support member 12 and safety rod conduit support 13, has reduced welding deformation, has more effectively guaranteed whole assembly precision.
The boss 5 of lower grid plate assembly 10 belows, end socket 6, becate 19 and lower flange 7 connect into integral body with the jam welding form.Said end socket 6 is connected with boss 5 through the jam welding mode, and the water inlet endless tube 9 of attaching most importance to provides support the location.
Be equipped with interface between heavy water case and a plurality of equipment; For guaranteeing the junction reliable sealing performance; Be provided with multiple-sealed between heavy water case and other connection devices: assemble between heavy water case upper flange 1 and the guide tank lower cover 23, which is provided with single track metal o-ring 16 and add the seal weld structure; Heavy water case lower flange 7 assembles with the delay tank upper cover plate, also is provided with single track metallic seal coil structures on it; Be welded with 9 horizontal holes by special angle on the heavy water case main cylinder 3 outer wall circumference and take over 14; As shown in Figure 7, itself and horizontal hole neutron fairlead 25 and 27 assemblings place of horizontal hole connecting cylinder are provided with the single track metal o-ring respectively and add seal weld structure and two pass metallic seal coil structures.Above-mentioned two pass metallic seal coil structures all is provided with the sealing leak detection tube and monitors in real time; The single track metal o-ring adds seal weld structure etc., has guaranteed the perfectly safe of sealing.
The pool reactor heavy water case that present embodiment provides can be realized the heavy water slowing down and the purpose of heavy water reflector is provided, and has contained radiomaterial to greatest extent, prevents that radiomaterial is excessive under the various operating modes.And this heavy water case is for equipment such as horizontal hole, vertical channel, guide tank and the core vessel of interfaces provide the reliable supporting location with it.
Above content is to combine preferred embodiment to specify what the present invention did, can not assert that embodiment of the present invention only limits to these explanations.Under the present invention, the those of ordinary skill of technical field, under the prerequisite that does not break away from the present invention's design, can also make some simple deductions and conversion, all should be regarded as belonging to protection scope of the present invention.
Claims (9)
1. heavy water case; Comprise upper flange (1), main cylinder (3), lower flange (7), the upper end of said main cylinder (3) and upper flange (1) welding is characterized in that: also comprise the low head assembly; Said main cylinder (3) lower end is connected with the low head assembly; Said low head assembly is integrally welded by end socket (6), boss (5), becate (19), and said end socket (6) is welded on the boss (5), and becate (19) is weldingly connected with end socket (6); Said becate (19) is weldingly connected with lower flange (7); The lower end of said main cylinder (3) is connected on the becate (19) through the jam welding mode.
2. heavy water case as claimed in claim 1 is characterized in that: through bolt overflow cofferdam assembly (2) is installed in said main cylinder (3) inwall upper end.
3. heavy water case as claimed in claim 2; It is characterized in that: above said low head assembly, be provided with lower grid plate assembly (10); Comprise lower grid plate (20) and pass through bolt vertical channel support member (4), low-temperature receiver and boiling hot source vertical channel support member (12) and safety rod conduit support (13) on it, said lower grid plate (20) is installed on the becate (19) through bolt.
4. heavy water case as claimed in claim 3; It is characterized in that: said lower grid plate assembly (10) also comprises the short tube of support (21); Said lower grid plate (20) is fixed on the short tube of said support (21), and the short tube of said support (21) is through being bolted on the boss (5).
5. heavy water case as claimed in claim 4 is characterized in that: the sidewall of said main cylinder (3) is provided with the complex root horizontal hole and takes over (14).
6. heavy water case as claimed in claim 5; It is characterized in that: also be provided with heavy water inlet endless tube (9), heavy water outlet (15), heavy water delivery pipe (11); Said heavy water inlet endless tube (9) is assemblied on the end socket (6) of main cylinder lower end, and its inlet end stretches out heavy water case main cylinder (3) outer wall; Heavy water outlet (15) is arranged at main cylinder (3) outer wall upper end; Heavy water delivery pipe (11) interface is arranged at the lower end of main cylinder (3).
7. heavy water case as claimed in claim 6 is characterized in that: the even perforate in endless tube (9) top of said heavy water inlet.
8. heavy water case as claimed in claim 7 is characterized in that: the position of said heavy water outlet (15) is positioned at the lower end of overflow cofferdam assembly (2), and downward-sloping with low-angle.
9. like claim 7 or 8 described heavy water casees, it is characterized in that: also comprise core vessel leak detection adapter (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105310896A CN102097138B (en) | 2010-10-29 | 2010-10-29 | Heavy water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105310896A CN102097138B (en) | 2010-10-29 | 2010-10-29 | Heavy water tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102097138A CN102097138A (en) | 2011-06-15 |
| CN102097138B true CN102097138B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105310896A Active CN102097138B (en) | 2010-10-29 | 2010-10-29 | Heavy water tank |
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| Country | Link |
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| CN (1) | CN102097138B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430917B (en) * | 2011-08-31 | 2013-05-15 | 上海锅炉厂有限公司 | Method for assembling and detecting barrel connecting pipe |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002300581A1 (en) * | 2002-08-15 | 2004-03-04 | Areva Np Gmbh | Automatic Cooling of Irradiation Samples at a Research Reactor |
| CN201868114U (en) * | 2010-10-29 | 2011-06-15 | 中国原子能科学研究院 | Heavy-water tank |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0718940B2 (en) * | 1989-01-11 | 1995-03-06 | 動力炉・核燃料開発事業団 | High conversion high combustion pressure tube reactor |
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2010
- 2010-10-29 CN CN2010105310896A patent/CN102097138B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002300581A1 (en) * | 2002-08-15 | 2004-03-04 | Areva Np Gmbh | Automatic Cooling of Irradiation Samples at a Research Reactor |
| CN201868114U (en) * | 2010-10-29 | 2011-06-15 | 中国原子能科学研究院 | Heavy-water tank |
Non-Patent Citations (2)
| Title |
|---|
| 杨长江.CARR堆芯三维流场与温场数值模拟研究.《工程科技Ⅱ辑》.2008,C040-7. * |
| 范月容等.中国先进研究堆堆芯容器及堆内构件设计研究.《原子能科学技术》.2009,第43卷309-311. * |
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| CN102097138A (en) | 2011-06-15 |
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