CN206075829U - Pressurized-water reactor nuclear power plant end socket of voltage regulator - Google Patents
Pressurized-water reactor nuclear power plant end socket of voltage regulator Download PDFInfo
- Publication number
- CN206075829U CN206075829U CN201621083441.3U CN201621083441U CN206075829U CN 206075829 U CN206075829 U CN 206075829U CN 201621083441 U CN201621083441 U CN 201621083441U CN 206075829 U CN206075829 U CN 206075829U
- Authority
- CN
- China
- Prior art keywords
- end socket
- main body
- socket main
- manhole
- manhole collar
- 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.)
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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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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a kind of pressurized-water reactor nuclear power plant end socket of voltage regulator, including end socket main body, and it is arranged at manhole collar on end socket main body and spray base, manhole and shower installing hole are respectively arranged with manhole collar and spray base, the end socket main body is in spherical cap structure, and solid forging on the end socket main body has manhole collar and spray base, and the manhole collar is located at the top of end socket main body, manhole and shower install angle α=45 ° of centerline hole, and shower installing hole is stepped hole;The radius of spherical crown of end socket main body is R, and, parallel to manhole collar upper surface, apart from H=R, spray base outer face is away from the end socket main body spherical crown centre of sphere apart from L=for bottom surface of the manhole collar upper surface away from end socket main body for end socket main body spherical crown bottom surface(1.25—1.30)R.End socket of voltage regulator of the present utility model have it is rational in infrastructure it is compact, the characteristics of pressure-bearing heat resistance is excellent.
Description
Technical field
This utility model is related to the manostat for pressurized-water reactor nuclear power plant, and specifically this utility model is related to presurized water reactor core
The upper seal head structure of power station manostat solid forging.
Background technology
Nuclear power is a kind of clean and safe, and the little energy of effect on environment.Pressurized-water reactor nuclear power plant is current main flow heap-type,
The reactor in the whole world 60% is presurized water reactor, and pressurized-water reactor nuclear power plant is divided into two loops, and primary Ioops system is referred to as nuclear island part, two
Circuit system is then conventional island part.The primary Ioops capital equipment of pressurized-water reactor nuclear power plant includes steam generator, manostat, master
Pump and some auxiliary equipments.
Pressurized-water reactor nuclear power plant manostat, also known as pressurizer, is the equipment for controlling reactor system pressure change,
Play a part of steady in normal operation and keep pressure, when accident occurs, there is provided overpressure protection.Heating is provided with manostat
Device and spray system, when reactor pressure is too high, spraying cold water cooling, when in heap, pressure is low, heater steams water automatically
Sending out ground increases pressure.Therefore regulator is a high-pressure bottle, and it is made up of vehicle repair major space, and wherein top half is saturation
The vapor space, the latter half are saturation hydrospaces.Spray thrower adapter, and pressure-relief valve and peace are communicated with the air space of manostat
Full valve is taken over;Spray thrower adapter and pressure-relief valve and safety valve connecting pipe are mounted on spray thrower seat, and spray thrower seat is then arranged at
On the upper cover of manostat, it is additionally provided with the upper cover of manostat for installing the manhole collar of people's aperture member.
As manostat belongs to nuclear reactor pressure container, usually in high temperature, high pressure and high radiation environment, Er Qiewen
The pressure oscillation of depressor is fairly obvious, and working environment is very severe, it is easy to pressure jump or stress are formed on container body
Skewness and stress concentration, cause fatigue, creep and the damage of manostat container body.Existing manostat upper cover includes hemisphere
The end socket main body of shape, is respectively arranged with manhole collar and the spray base for installing shower, manhole at the top of end socket main body
The setting of seat and its manhole can be such that replacing parts more easily pass in and out, without causing gouge to manostat inwall;Spray
Base then stretches into the spray connecting tube in end socket of voltage regulator and fog-spray nozzle thereon for installing.As manostat upper cover belongs to
Large-size massive part, existing manostat upper cover are that end socket main body is passed through welding side with manhole collar thereon and spray base
What method was spliced, so complete metal streamline can not be formed between end socket main body and manhole collar, spray base.While shower
The physical dimension of seat and manhole collar is also unfavorable for the firm connection and reliable installation of shower and people's aperture member, the ball of end socket main body
The dimensional structure of hat bottom surface is also unfavorable for installation connection of the end socket in manostat main body.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of pressurized-water reactor nuclear power plant end socket of voltage regulator, and it not only has
There is complete metal structure streamline, endurance ability is higher, and structure is more reasonable, be easily installed and safeguard.
In order to solve above-mentioned technical problem, pressurized-water reactor nuclear power plant end socket of voltage regulator of the present utility model, including end socket main body,
And manhole collar on end socket main body and spray base are arranged at, manhole and spray are respectively arranged with manhole collar and spray base
Pipe installing hole, the end socket main body are in spherical cap structure, and solid forging on the end socket main body has manhole collar and spray base, the people
Hole seat is located at angle α=45 ° at the top of end socket main body, manhole and shower installation centerline hole, and shower installing hole is step
Hole;The radius of spherical crown of end socket main body is R, end socket main body spherical crown bottom surface parallel to manhole collar upper surface, manhole collar upper surface away from
, apart from H=R, spray base outer face is away from the end socket main body spherical crown centre of sphere apart from L=for the bottom surface of end socket main body(1.25—1.30)R.
In said structure, as manhole collar is located at the top of end socket main body, manhole with the angle of shower installing hole is
45 °, and manhole collar upper surface is parallel to the bottom surface of end socket main body, this structure is easy to people's aperture member is installed on manhole collar, more
It is easy to the installation and maintenance of spray assemblies, 45 ° of installation angle to be conducive to arrangement and the installation of spray head, is conducive to improving spray
The uniformity, and the position of spraying can be adjusted according to actual needs, realize the regulation of different spray region spray flux.Again
As manhole collar upper end and spray base outer face employ the physical dimension mutually coordinated with end socket main body radius, be conducive to stable
The solid forging shaping of device end socket, is conducive to the installation of spray assemblies, and can effectively reduce the flow resistance of spray equipment, so as to improve
The spray efficiency of manostat;Shower installing hole adopt step pore structure, the firm installation of spray assemblies can be realized, also so that
Reliable tight sealing is realized between spray input pipe outer wall and installing hole.Due also to solid forging has manhole collar on end socket main body
With spray base, it is ensured that upper cover finished product mechanical property is greatly improved, can more bear High Temperature High Pressure and alternate load and
The bad working environments formed by vapor vortex, are conducive to the raising of the homogenization and safety in operation of end socket working stress;And adopt
Both metal structure had further been refined with solid forging structure, be conducive to the accurate forming of manhole collar and spray base again so that
Metal streamline between end socket main body and manhole collar, spray base is smooth coherent and consistent with forging profile to greatest extent.
This utility model also has compact conformation, rationally distributed, the excellent advantage of forgeability.
Preferred implementation of the present utility model, the high h of spherical crown of the end socket main body are equal to(0.82—0.85)R.It is described
The wall thickness b=of end socket main body(0.08—0.10)R.The structure is conducive to being reliably connected for end socket main body and manostat body, and
Beneficial to the solid forging and punch forming of end socket, be conducive to obtaining enough voltage endurance capabilities, and corresponding alternating pressure can be born.
Further embodiment of the present utility model, the manhole collar are cylinder pedestal, and the wall thickness B of manhole collar is equal to
(0.15—0.20)R.The spray base is round platform seat, and the coning angle of the spray base is 30 °.The cylinder table of adequate thickness
Be conducive to stable installation people's aperture member on manhole collar's end face, the shower toilet of circular cone structure is in the solid forging and punching of end socket
It is molded.
Further embodiment of the present utility model, the end socket main body with thereon manhole collar and shower seating face it
Between by circular arc be connected.Circular arc is smoothly connected the generation for being prevented effectively from end socket stress concentration, so as to improve the resistance to pressure energy of manostat
Power.
Description of the drawings
Further is made to this utility model pressurized-water reactor nuclear power plant end socket of voltage regulator with reference to the accompanying drawings and detailed description
Describe in detail.
Fig. 1 is that a kind of main sectional structure of specific embodiment of this utility model pressurized-water reactor nuclear power plant end socket of voltage regulator is illustrated
Figure;
Fig. 2 is the top view of structure shown in Fig. 1.
In figure, 1-end socket main body, 2-manhole collar, 3-manhole, 4-spray base, 5-shower installing hole.
Specific embodiment
Pressurized-water reactor nuclear power plant end socket of voltage regulator as shown in Figure 1 and Figure 2, the end socket of voltage regulator include end socket main body 1, end socket
Body 1 be in hemisphere coronal structure, the radius of spherical crown R=800mm of end socket main body 1.The top of end socket main body 1 is provided with manhole collar
2, the profile of the manhole collar 2 is cylinder pedestal, as short cylindrical structure, and the inner surface and outer surface of manhole collar 2 pass through circular arc
Face is mutually smoothly connected with the internal face and appearance sphere of end socket main body 1 respectively.Spray base is additionally provided with end socket main body 1
4, spray base 4 is circular cone structure, and the coning angle of its round platform is 30 °, and the cone angle is easy to the demoulding in head pressing molding;Together
The inner surface and outer surface of sample spray base 4 is mutual with the internal face of end socket main body 1 and appearance sphere respectively by arc surface
It is smoothly connected.The centrage of spray base 4 is 45 ° with the centerlines α of manhole collar 2.End socket main body 1 and manhole collar thereon
2 and spray base 4 with low-carbon alloy steel as material molding by solid forging.
The center of the manhole collar 2 in short cylindrical structure is provided with manhole 3, and the external diameter of manhole collar 2 is 700 mm of φ, manhole
3 internal diameter is 420 mm, and its wall thickness B is 140 mm.The center of the spray base 4 of circular cone shape is provided with shower installation
Hole 5, shower installing hole 5 is a stepped hole, the oral area bore dia φ 180mm in the hole, and the length in oral area hole is 60 mm, the hole
Interior 195 mm of hole portion diameter phi.Bottom diameter 360mm on the round platform of spray base 4, the coning angle of round platform is 30 °
End socket main body 1 be in ball coronal structure, the radius R=800mm of 1 outer surface place ball of end socket main body, end socket main body
1 inwall radius surface r=726mm, therefore the wall thickness b=74mm of end socket main body 1, the centre of sphere of end socket main body 1 are located at outside the shape of body, end socket
The high h of spherical crown of body 1 is 660mm, and the high h of its spherical crown is the summit of 1 outer surface place sphere of end socket main body between spherical crown bottom surface
Distance, the upper surface of manhole collar 2 is equal to radius of spherical crown R, i.e. H=800mm apart from H away from the spherical crown bottom surface of end socket main body 1.
The spherical crown centre of sphere of the outer face of spray base 4 away from end socket main body 1 is apart from L=1020mm.
Above-mentioned only to have enumerated a kind of preferred implementation of this utility model, this utility model is not limited to above-mentioned enforcement
Example.But spraying 4 outer face of base should be according to the concrete structure of manostat and working condition apart from L away from the 1 spherical crown centre of sphere of end socket main body
Select be(1.25—1.30)R;The wall thickness B of manhole collar 2 should be selected(0.15—0.20)R;The high h of spherical crown of end socket main body 1 should
Select(0.82—0.85)R, the wall thickness b of end socket main body 1 should be selected(0.08—0.10)R.Above-mentioned selection each falls within this reality
With in new protection domain.
Claims (6)
1. a kind of pressurized-water reactor nuclear power plant end socket of voltage regulator, including end socket main body(1), and it is arranged at end socket main body(1)On people
Hole seat(2)With spray base(4), in manhole collar(2)With spray base(4)It is respectively arranged with manhole(3)With shower installing hole
(5), the end socket main body(1)In spherical cap structure, it is characterised in that:The end socket main body(1)Upper solid forging has manhole collar(2)
With spray base(4), the manhole collar(2)Positioned at end socket main body(1)Top, manhole(3)With shower installing hole(5)Centrage
Angle α=45 °, shower installing hole(5)For stepped hole;End socket main body(1)Radius of spherical crown be R, end socket main body(1)Spherical crown
Bottom surface is parallel to manhole collar(2)Upper surface, manhole collar(2)Upper surface is away from end socket main body(1)Bottom surface apart from H=R, spray
Base(4)Outer face is away from end socket main body(1)The spherical crown centre of sphere is apart from L=(1.25—1.30)R.
2. pressurized-water reactor nuclear power plant end socket of voltage regulator according to claim 1, it is characterised in that:The end socket main body(1)'s
The high h of spherical crown is equal to(0.82—0.85)R.
3. pressurized-water reactor nuclear power plant end socket of voltage regulator according to claim 1, it is characterised in that:The end socket main body(1)'s
Wall thickness b=(0.08—0.10)R.
4. pressurized-water reactor nuclear power plant end socket of voltage regulator according to claim 1, it is characterised in that:The manhole collar(2)For circle
Pylon seat, manhole collar(2)Wall thickness B be equal to(0.15—0.20)R.
5. pressurized-water reactor nuclear power plant end socket of voltage regulator according to claim 1, it is characterised in that:The spray base(4)For
Round platform seat, the spray base(4)Coning angle be 30 °.
6. pressurized-water reactor nuclear power plant end socket of voltage regulator according to claim 1, it is characterised in that:The end socket main body(1)With
Manhole collar thereon(2)And spray base(4)It is connected by circular arc between surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621083441.3U CN206075829U (en) | 2016-09-27 | 2016-09-27 | Pressurized-water reactor nuclear power plant end socket of voltage regulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621083441.3U CN206075829U (en) | 2016-09-27 | 2016-09-27 | Pressurized-water reactor nuclear power plant end socket of voltage regulator |
Publications (1)
Publication Number | Publication Date |
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CN206075829U true CN206075829U (en) | 2017-04-05 |
Family
ID=58440932
Family Applications (1)
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CN201621083441.3U Expired - Fee Related CN206075829U (en) | 2016-09-27 | 2016-09-27 | Pressurized-water reactor nuclear power plant end socket of voltage regulator |
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CN (1) | CN206075829U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111899900A (en) * | 2020-08-06 | 2020-11-06 | 山东华舜重工集团有限公司 | Nuclear power voltage stabilizer seal head |
-
2016
- 2016-09-27 CN CN201621083441.3U patent/CN206075829U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111899900A (en) * | 2020-08-06 | 2020-11-06 | 山东华舜重工集团有限公司 | Nuclear power voltage stabilizer seal head |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 |