CN108711458A - Reactor pressure vessel and supporting arrangement for pressure vessel outlet ozzle - Google Patents
Reactor pressure vessel and supporting arrangement for pressure vessel outlet ozzle Download PDFInfo
- Publication number
- CN108711458A CN108711458A CN201810792255.4A CN201810792255A CN108711458A CN 108711458 A CN108711458 A CN 108711458A CN 201810792255 A CN201810792255 A CN 201810792255A CN 108711458 A CN108711458 A CN 108711458A
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- China
- Prior art keywords
- cylinder
- ozzle
- flange
- cylindrical body
- pressure vessel
- Prior art date
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- 241000973497 Siphonognathus argyrophanes Species 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 21
- 210000004907 gland Anatomy 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000002826 coolant Substances 0.000 description 9
- 230000013011 mating Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C13/00—Pressure vessels; Containment vessels; Containment in general
- G21C13/02—Details
- G21C13/032—Joints between tubes and vessel walls, e.g. taking into account thermal stresses
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
Supporting arrangement the present invention relates to reactor pressure vessel and for pressure vessel outlet ozzle, pressure vessel include cylinder and the in-pile component that is arranged in cylinder, and the side wall of cylinder is equipped at least one outer ozzle.Supporting arrangement includes that can cover the cylindrical body being set between in-pile component and cylinder；One end outer ring of cylindrical body is equipped with the outward flange that can hang cylinder upper end；The other end inner ring of cylindrical body is equipped with the inward flange to the supported flange support on in-pile component outer wall；The side wall of cylindrical body is equipped with the second recirculation hole corresponding with outer tube mouth position, in the second recirculation hole is installed after ozzle, the second recirculation hole of cylindrical body inner cavity, interior ozzle is allowed to be connected in outer ozzle.Interior ozzle on supporting arrangement is provided separately with in-pile component, is allowed the installation and hanging out of in-pile component not influenced by interior ozzle, is reduced workload, improve working efficiency.
Description
Technical field
The present invention relates to nuclear power fields, go out more specifically to a kind of reactor pressure vessel and for pressure vessel
The supporting arrangement of mouth ozzle.
Background technology
Reactor pressure vessel in the related technology includes cylinder and the hanging basket that is arranged in cylinder, is set on the side wall of cylinder
There is outer ozzle, interior ozzle is installed on hanging basket, in the outer ozzle on interior ozzle side insertion to cylinder lateral wall.
Need to hang out hanging basket safeguarded when, need individually to remove interior ozzle, otherwise, interior ozzle will be to hanging basket
Hang out and have an impact.The disassembly process of interior ozzle increases the workload of maintenance, reduces working efficiency.
Invention content
The technical problem to be solved in the present invention is, provide a kind of reactor pressure vessel convenient for in-pile component dismounting and
Supporting arrangement for pressure vessel outlet ozzle.
The technical solution adopted by the present invention to solve the technical problems is：Construction is a kind of to be exported for reactor pressure vessel
The supporting arrangement of ozzle, the pressure vessel include cylinder and the in-pile component that is arranged in the cylinder, the side of the cylinder
Wall is equipped at least one outer ozzle；
The supporting arrangement includes that can cover the cylindrical body being set between the in-pile component and the cylinder；
One end outer ring of the cylindrical body is equipped with the outward flange that can hang the cylinder upper end；
The other end inner ring of the cylindrical body is equipped with the convex to the supported flange support on the in-pile component outer wall
Edge；
The side wall of the cylindrical body is equipped with the second recirculation hole corresponding with the outer tube mouth position, in the second
In through-hole installation after ozzle, the cylindrical body inner cavity is allowed to be connected in the outer ozzle through second recirculation hole, interior ozzle.
Preferably, the supporting arrangement further includes interior ozzle, and said inner tube mouth is removably mounted on the cylindrical body
On, said inner tube mouth is stretched out to outside the cylindrical body, and the section shape of said inner tube mouth is less than the internal diameter of the outer ozzle, with
It can wear in the outer ozzle.
Preferably, the axis of said inner tube mouth is parallel with the axis of outer ozzle or overlaps.
Preferably, said inner tube mouth includes interior tube body and the tube body flange that is arranged in said inner tube body one end outer ring；
The section shape of said inner tube body be not more than second recirculation hole shape, with from the cylindrical body from inside to outside
Wear second recirculation hole；
The tube body flange is equipped with lockhole, with by the sealed inner wall fixed to the cylindrical body of closure.
Preferably, circumferentially distributed on the outward flange to have several lockholes, to be fixed to the cylinder by the way that closure is sealed
On body.
Preferably, the outer ring of the outward flange is equipped with the locating notch that positioning is engaged with the positioning protrusion on the cylinder.
A kind of reactor pressure vessel, including cylinder and the in-pile component being arranged in the cylinder, the side of the cylinder
Wall is equipped with outer ozzle, and the pressure vessel further includes the supporting arrangement；
The cylindrical body is arranged in the cylinder, and the outward flange hangs the cylinder upper end, the second
Through-hole is corresponding with the outer tube mouth position；
The in-pile component is mounted in the cylindrical body, and the outside wall surface upper edge border of the in-pile component, which is equipped with, to be compressed
Flange, the inward flange support the supported flange.
Preferably, the upper end outer ring of the in-pile component is equipped with annular hanging platform, and the hanging platform is hung on the upper of the cylinder
End.
Preferably, the upper end of the cylinder is equipped with the step hung for the outward flange and the hanging platform.
Preferably, the upper surface of the inward flange and the lower surface sealing of the supported flange coordinate.
According to claim to any one of them pressure vessel, which is characterized in that the pressure vessel further includes by institute
State the pressing device that in-pile component is pressed together on the cylinder.
Preferably, the pressing device includes gland；
The in-pile component includes hanging basket and press part, and the supported flange, hanging platform are formed on the hanging basket；
The press part includes the pressing flange of annular, and the pressing flange is pressed together on the upside of the hanging platform, the pressure
Lid lid is closed in the cylinder upper end, and is pressed to the pressing flange；
Elastic component is distributed with along border between the pressing flange and the hanging platform.
Implement the reactor pressure vessel of the present invention and the supporting arrangement for pressure vessel outlet ozzle, has with following
Beneficial effect：Interior ozzle on supporting arrangement is provided separately with in-pile component, allow in-pile component installation and hang out not by interior ozzle
Influence.Before hanging basket is put into cylinder, interior ozzle is already installed on cylindrical body；Need to hang out hanging basket safeguard when, no
Interior ozzle is removed in addition directly to be hung out hanging basket, reduced workload, improved working efficiency.
Due to being arranged cylindrical body outside in-pile component, it is equivalent to the space reduced outside in-pile component, Ke Yirang
Fully flowing comes out coolant from circulation canal, it is possible to reduce the by-pass flow of coolant promotes cooling efficiency.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the cross-sectional view of the pressure vessel in the embodiment of the present invention；
Fig. 2 is the enlarged diagram of the partial view A in Fig. 1；
Fig. 3 is the diagrammatic cross-section of the support device in Fig. 1；
Fig. 4 is the vertical view of the cylindrical body in Fig. 1.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
The specific implementation mode of the present invention.
As shown in Figure 1 and Figure 2, the reactor in a preferred embodiment of the invention includes pressure vessel 10, pressure vessel 10
Including cylinder 1 and the in-pile component 2 being arranged in cylinder 1.In general, the side wall of cylinder 1 is equipped with outer ozzle 11, outer ozzle 11 is logical
Be usually included in 1 side wall two opposite sides of cylinder and be respectively equipped with outer ozzle 11, for respectively with the connections such as steam generator and main pump, outside
Ozzle 11 or the other quantity of one or more than one.In-pile component 2 includes hanging basket 21 and the reactor core in hanging basket 21,
Hanging basket 21 is equipped with the first recirculation hole 213 corresponding with 11 position of outer ozzle.
Pressure vessel 10 further includes supporting arrangement 3, can be supported to hanging basket 21 after hanging basket 21 is put into.Hanging basket 21
Outside wall surface upper edge border be equipped with supported flange 211, supporting arrangement 3 can be allowed to be supported on the downside of supported flange 211.
In conjunction with shown in Fig. 1 to Fig. 3, supporting arrangement 3 includes that can cover the cylindrical body being set between in-pile component 2 and cylinder 1
31.One end outer ring of cylindrical body 31 is equipped with the outward flange 311 that can hang 1 upper end of cylinder, and cylinder is installed in cylindrical body 31
After in body 1, outward flange 311 is located at the upper end of cylindrical body 31, behind the upper end for hanging cylinder 1, can allow under cylindrical body 31
End is hanging.
It is circumferentially distributed on outward flange 311 to have several lockholes in order to make position after the installation of cylindrical body 31 stablize, with logical
It is sealed fixed on cylinder 1 to cross closure.Further, as shown in figure 4, by specific when in order to ensure that cylindrical body 31 is installed
Steering position put, be equipped in the outer ring of outward flange 311 and with cylinder 1 carry out circumferentially positioned locating notch 312, meanwhile,
Cylinder 1 is equipped with the positioning protrusion engaged for locating notch 312.
In conjunction with shown in Fig. 1 to Fig. 3, in addition, the other end inner ring of cylindrical body 31 is equipped with to the pressure on 2 outer wall of in-pile component
The inward flange 313 that tight flange 211 supports.After cylindrical body 31 is installed in cylinder 1, inward flange 313 is located at cylindrical body 31
Lower end, after hanging basket 21 is installed in cylindrical body 31, inward flange 313 can be to the supported flange 211 on 2 outer wall of in-pile component
Support.
Meanwhile after coordinating between inward flange 313 and supported flange 211, upper surface and the supported flange 211 of inward flange 313
Lower surface sealing cooperation, mating surface is sealed, does not influence the flow direction of coolant.Preferably, inward flange 313 is upper
It is equipped with sealing ring between surface and the lower surface of supported flange 211, ensures the sealing of mating surface.
The side wall of cylindrical body 31 is equipped with the second recirculation hole 314 corresponding with 11 position of outer ozzle, in the second
After through-hole 314 installs interior ozzle 32,31 inner cavity of the cylindrical body is allowed to be connected to through second recirculation hole 314, interior ozzle 32
In the outer ozzle 11.
Preferably, interior ozzle 32 allows interior ozzle 32 also can draw outer ozzle 11 through pipeline towards setting in outer ozzle 11
It is connect with steam generator, main pump etc. after endoporus, for coolant circulation.It is corresponding, after the installation of hanging basket 21, interior ozzle 32
Also it is connected to the first recirculation hole 213 on hanging basket 21, coolant can be flowed between 21 inner cavity of interior ozzle 32 and hanging basket.
Interior ozzle 32 on supporting arrangement 3 is provided separately with in-pile component 2, allow in-pile component 2 installation and hang out not by
The influence of interior ozzle 32.Before hanging basket 21 is put into cylinder 1, interior ozzle 32 is already installed on cylindrical body 31；Hanging basket 21 is put into
After cylinder 1, the upper end of hanging basket 21 can have the support of cylinder 1, and in addition the also inward flange 313 of 31 lower end of cylindrical body is to hanging basket 21
Support makes support more stablize, does not interfere with the flow direction of coolant also；Need to hang out hanging basket 21 safeguard when, do not have to
In addition directly hanging basket 21 can be hung out to remove interior ozzle 32, reduces workload, improves working efficiency.
Due to being arranged cylindrical body 31 outside in-pile component 2, it is equivalent to the space reduced outside in-pile component 2, it can
It is come out with allowing coolant fully to be flowed from circulation canal, it is possible to reduce the by-pass flow of coolant promotes cooling efficiency.
Preferably, supporting arrangement 3 includes interior ozzle 32, and interior ozzle 32 is corresponding with 11 position of outer ozzle, and interior ozzle 32 is removable
It is mounted on cylindrical body 31 with unloading, interior ozzle 32 is stretched out to outside cylindrical body 31.Further, the section shape of interior ozzle 32
It can be worn in outer ozzle 11 less than the internal diameter of outer ozzle 11 when 32 outwardly directed length of interior ozzle is longer.Interior ozzle 32
After wearing outer ozzle 11, it is separately connected pipeline, double-layer sleeve structure can be formed, and then forms two channels for coolant point
It does not pass in and out.
In some embodiments, the axis of interior ozzle 32 can be parallel with the axis of outer ozzle 11, can guarantee interior ozzle 32
It reaches in outer ozzle 11.In addition, in other embodiments, also allowing for the weight of the axis and outer ozzle 11 of interior ozzle 32
It closes, interior ozzle 32 is made to be located on the central axes of outer ozzle 11.Under the premise of can guarantee to form double-layer sleeve structure, interior ozzle 32
Axis also can suitably intersect certain angle with the axis of outer ozzle 11.
Further, interior ozzle 32 includes interior tube body 321 and the tube body flange 322 in the setting of 321 one end outer ring of interior tube body.
The section shape of interior tube body 321 is not more than the shape of the second recirculation hole 314, to wear the second circulation from inside to outside from cylindrical body 31
Hole 314.Tube body flange 322 is equipped with lockhole, with by the sealed inner wall fixed to cylindrical body 31 of closure.Preferably,
It is equipped with sealing ring between tube body flange 322 and the inner wall of cylindrical body 31, ensures the sealing between mating surface.
Interior ozzle 32 can again be installed after cylindrical body 31 is installed in cylinder 1, even if interior ozzle 32 extend into outer tube
It, also can be unaffected in mouth 11.When 32 outwardly directed length of interior ozzle is shorter, interior ozzle 32 can also be done with cylindrical body 31
Integrally dismounted together with cylindrical body 31.
The upper end outer ring of in-pile component 2 is equipped with annular hanging platform 212, and hanging platform 212 is hung on the upper end of cylinder 1, allows hanging basket 21
Can also there be support in upper end after being put into cylindrical body 31.Preferably, supported flange 211, hanging platform 212 are both formed on hanging basket 21.Into
One step, the upper end of cylinder 1 is equipped with the step hung for outward flange 311 and hanging platform 212, can be in cylindrical body 31 and hanging basket 21
After installation, it will not be raised in the upper surface of cylinder 1.
Further, pressure vessel 10 further includes the pressing device 4 being pressed together on in-pile component 2 on cylinder 1, is ensured in heap
Stablize the position of component 2.
In-pile component 2 further includes press part 22, and press part 22 is including cylindrical body 221 and in 221 upper end of cylindrical body
The pressing flange 222 of outer ring setting.
Cylindrical body 221 is arranged in in-pile component 2, and pressing flange 222 is pressed together on 212 upside of hanging platform of in-pile component 2.
Pressing device 4 includes gland 41, and the lid of gland 41 is closed in 1 upper end of cylinder, and is pressed to pressing flange 222；Pressing method
Elastic component 23 is distributed with along border between orchid 222 and hanging platform 212.Elastic component 23 can be spring, after the lid of gland 41 closes, elastic component
23 compressions, by elastic force, it is ensured that close between hanging platform 212 and cylinder 1 and between pressing flange 222 and gland 41
Envelope.
In other embodiments, cylindrical body 221 can also be cancelled, pressing flange 222 is only allowed to be pressed together on hanging platform 212
Side, and it is tight to be glanded 41 lid combined pressures.
It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (12)
1. one kind being used for reactor pressure vessel（10）The supporting arrangement of outlet nozzle（3）, the pressure vessel（10）Including cylinder
Body（1）With setting in the cylinder（1）Interior in-pile component（2）, the cylinder（1）Side wall be equipped at least one outer ozzle
（11）, which is characterized in that
The supporting arrangement（3）It is set to the in-pile component including that can cover（2）With the cylinder（1）Between cylindrical body
（31）；
The cylindrical body（31）One end outer ring be equipped with can hang the cylinder（1）The outward flange of upper end（311）；
The cylindrical body（31）Other end inner ring be equipped with to the in-pile component（2）Supported flange on outer wall（211）Branch
The inward flange of support（313）；
The cylindrical body（31）Side wall be equipped with and the outer ozzle（11）Corresponding second recirculation hole in position（314）,
Second recirculation hole（314）Ozzle in installation（32）Afterwards, the cylindrical body is allowed（31）Inner cavity is through second recirculation hole
（314）, interior ozzle（32）It is connected to the outer ozzle（11）It is interior.
2. supporting arrangement according to claim 1（3）, which is characterized in that the supporting arrangement（3）It further include interior ozzle
（32）, said inner tube mouth（32）It is removably mounted on the cylindrical body（31）On, said inner tube mouth（32）To the tubular
Ontology（31）Outer stretching, said inner tube mouth（32）Section shape be less than the outer ozzle（11）Internal diameter, institute can be worn
State outer ozzle（11）It is interior.
3. supporting arrangement according to claim 2（3）, which is characterized in that said inner tube mouth（32）Axis with it is described outer
Ozzle（11）Axis it is parallel or overlap.
4. supporting arrangement according to any one of claims 1 to 3（3）, which is characterized in that said inner tube mouth（32）Including interior
Tube body（321）With in said inner tube body（321）The tube body flange of one end outer ring setting（322）；
Said inner tube body（321）Section shape be not more than second recirculation hole（314）Shape, with from the cylindrical body
（31）Second recirculation hole is worn from inside to outside（314）；
The tube body flange（322）It is equipped with lockhole, to be fixed to the cylindrical body by the way that closure is sealed（31）Inner wall
On.
5. supporting arrangement according to any one of claims 1 to 3（3）, which is characterized in that the outward flange（311）Upper edge
It is circumferentially distributed to have several lockholes, to be fixed to the cylinder by the way that closure is sealed（1）On.
6. supporting arrangement according to claim 5（3）, which is characterized in that the outward flange（311）Outer ring be equipped with and institute
State cylinder（1）On positioning protrusion engaging positioning locating notch（312）.
7. a kind of reactor pressure vessel（10）, including cylinder（1）With setting in the cylinder（1）Interior in-pile component（2）, institute
State cylinder（1）Side wall be equipped with outer ozzle（11）, which is characterized in that the pressure vessel（10）It further include claim 1 to 6
Any one of them supporting arrangement（3）；
The cylindrical body（31）It is arranged in the cylinder（1）It is interior, the outward flange（311）Hang the cylinder（1）Upper end,
Second recirculation hole（314）With the outer ozzle（11）Position corresponds to；
The in-pile component（2）Mounted on the cylindrical body（31）It is interior, the in-pile component（2）Outside wall surface upper edge border set
There is supported flange（211）, the inward flange（313）To the supported flange（211）Support.
8. pressure vessel according to claim 7（10）, which is characterized in that the in-pile component（2）Upper end outer ring set
There is annular hanging platform（212）, the hanging platform（212）It is hung on the cylinder（1）Upper end.
9. pressure vessel according to claim 8（10）, which is characterized in that the cylinder（1）Upper end be equipped with supply described in
Outward flange（311）With the hanging platform（212）The step hung.
10. pressure vessel according to claim 7（10）, which is characterized in that the inward flange（313）Upper surface and institute
State supported flange（211）Lower surface sealing cooperation.
11. according to claim 7 to 10 any one of them pressure vessel（10）, which is characterized in that the pressure vessel（10）
Further include by the in-pile component（2）It is pressed together on the cylinder（1）On pressing device（4）.
12. pressure vessel according to claim 11（10）, which is characterized in that the pressing device（4）Including gland
（41）；
The in-pile component（2）Including hanging basket（21）And press part（22）, the supported flange（211）, hanging platform（212）It is formed in
The hanging basket（21）On；
The press part（22）Include the pressing flange of annular（222）, the pressing flange（222）It is pressed together on the hanging platform
（212）Upside, the gland（41）Lid is closed in the cylinder（1）Upper end, and to the pressing flange（222）Pressing；
The pressing flange（222）With the hanging platform（212）Between along border elastic component is distributed with（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792255.4A CN108711458B (en) | 2018-07-18 | 2018-07-18 | Reactor pressure vessel and support device for pressure vessel outlet nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792255.4A CN108711458B (en) | 2018-07-18 | 2018-07-18 | Reactor pressure vessel and support device for pressure vessel outlet nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108711458A true CN108711458A (en) | 2018-10-26 |
| CN108711458B CN108711458B (en) | 2024-03-22 |
Family
ID=63874143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810792255.4A Active CN108711458B (en) | 2018-07-18 | 2018-07-18 | Reactor pressure vessel and support device for pressure vessel outlet nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108711458B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887622A (en) * | 2019-03-06 | 2019-06-14 | 中广核研究院有限公司 | A kind of reactor and the flow passage structure for reactor |
| CN110111914A (en) * | 2019-04-28 | 2019-08-09 | 中广核研究院有限公司 | A kind of nuclear reactor and its in-pile component |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887622A (en) * | 2019-03-06 | 2019-06-14 | 中广核研究院有限公司 | A kind of reactor and the flow passage structure for reactor |
| CN110111914A (en) * | 2019-04-28 | 2019-08-09 | 中广核研究院有限公司 | A kind of nuclear reactor and its in-pile component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108711458B (en) | 2024-03-22 |
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