CN106653100B - Nuclear power floating platform and the pressure stabilizer that sloshing phenomenon can be inhibited - Google Patents
Nuclear power floating platform and the pressure stabilizer that sloshing phenomenon can be inhibited Download PDFInfo
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- CN106653100B CN106653100B CN201610903479.9A CN201610903479A CN106653100B CN 106653100 B CN106653100 B CN 106653100B CN 201610903479 A CN201610903479 A CN 201610903479A CN 106653100 B CN106653100 B CN 106653100B
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- stablizer
- isolation board
- voltage
- inhibited
- cylindrical body
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C1/00—Reactor types
- G21C1/04—Thermal reactors ; Epithermal reactors
- G21C1/06—Heterogeneous reactors, i.e. in which fuel and moderator are separated
- G21C1/08—Heterogeneous reactors, i.e. in which fuel and moderator are separated moderator being highly pressurised, e.g. boiling water reactor, integral super-heat reactor, pressurised water reactor
- G21C1/09—Pressure regulating arrangements, i.e. pressurisers
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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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- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The present invention relates to nuclear power floating platform and the pressure stabilizer of sloshing phenomenon can be inhibited.Voltage-stablizer includes cylindrical body and the upper cover, the low head that are covered to the upper and lower ends of cylindrical body.The setting of cylindrical body upper end, the anti-shake isolating device the hydrospace of cylindrical body lower end to be split to isolation are provided on low head.The hydrospace of large diameter tubular body is divided into the smaller space of multiple sections by anti-shake isolating device vertically, and as container, the cross dimensions in these small spaces is smaller, is not easy to generate in isolation board and rock, can effectively inhibit the sloshing phenomenon in voltage-stablizer.The small cylindrical space that isolation board is divided into is more elongated, and it is more small and weak to rock effect.Voltage-stablizer can be such that nuclear reactor system is continued to run in worse environment, cause shutdown or peace note signal error starting without being rocked because of liquid level in voltage-stablizer, the adaptive capacity to environment of nuclear reactor system is enhanced, improves the security and economy of nuclear reactor system.
Description
Technical field
The present invention relates to nuclear power fields, more specifically to a kind of nuclear power floating platform and can inhibit sloshing phenomenon
Pressure stabilizer.
Background technology
Nuclear power plant's voltage-stablizer that inhibition liquid level in correlation technique rocks, main body is big volume tube structure, wherein having
It is capable of the vapor-liquid separation face of free movement.
When nuclear power plant is placed on floating platform, itself fortune of the external conditions such as wave, wind, ocean current and floating platform
It is dynamic the movements such as to cause nuclear power plant's run-off the straight, rise and fall, wave.Due under accidental conditions, existing freely in voltage-stablizer
Liquid level, when nuclear power plant with the external conditions such as wave occur rise and fall, wave when movements when or floating platform displacement situation
Under, the free surface in voltage-stablizer can generate nonlinear sloshing phenomenon.
When sloshing phenomenon occurs in voltage-stablizer, voltage-stablizer inner wall can be subject to different degrees of surge, it is possible to endanger
Evil arrives the structural intergrity of voltage-stablizer.Meanwhile the signals such as level measuring, pressure measurement can also be affected in voltage-stablizer, cause
Water level signal, pressure signal cannot reflect the actual conditions in voltage-stablizer, it could even be possible to causing the false triggering of safety signal, drop
Security, reliability and the economy of Di Liao nuclear power plants.
The content of the invention
The technical problem to be solved in the present invention is, provides a kind of improved nuclear power floating platform and can inhibit to rock existing
The pressure stabilizer of elephant.
The technical solution adopted by the present invention to solve the technical problems is：Constructing a kind of can inhibit the new steady of sloshing phenomenon
Depressor, including cylindrical body and to upper cover, low head that the upper and lower ends of the cylindrical body are covered,
The cylindrical body upper end is provided on the low head to set, with by the hydrospace of the cylindrical body lower end
It is split the anti-shake isolating device of isolation.
Preferably, the anti-shake isolating device includes erecting at least one isolation board on the low head.
Preferably, the isolation board is cylindrical in shape.
Preferably, the isolation board is equipped with the water level balance hole penetrated, and the water level balance hole is located at the isolation board
Close to the position of the low head.
Preferably, it is circumferentially arranged on the isolation board to have several water level balance holes.
Preferably, the thickness of the isolation board is less than the thickness of the cylindrical body.
Preferably, the wall thickness of the isolation board is not less than a quarter of the cylindrical body wall thickness.
Preferably, the upper end of the anti-shake isolating device is not higher by the normal operation water level of the hydrospace.
Preferably, electrically heated rod, the electrical heating are partly or entirely equipped in the divided each space in the hydrospace
The upper end of stick is less than the upper end of the isolation board.
Preferably, the voltage-stablizer further includes the ozzle being arranged on the low head to be connected with Surge line piping, the pipe
Mouth is connected with the cylindrical body inner cavity.
Preferably, the voltage-stablizer further includes the spray nozzle being arranged on the upper cover, safety valve.
Preferably, the upper cover is to raise up spherical, and the low head is downwardly convex spherical.
The present invention also constructs a kind of nuclear power floating platform, and the nuclear power floating platform includes primary Ioops system, described
Primary Ioops system is equipped with the voltage-stablizer.
Implement the nuclear power floating platform of the present invention and the pressure stabilizer of sloshing phenomenon can be inhibited, have below beneficial to effect
Fruit：The nuclear power floating platform of the present invention and the pressure stabilizer of sloshing phenomenon can be inhibited, anti-shake isolating device is by major diameter cylinder
The hydrospace of shape body is split vertically, is divided into the smaller space of multiple sections as container, the section ruler in these small spaces
It is very little smaller, it is not easy to generate in isolation board and rock, can effectively inhibit the sloshing phenomenon in voltage-stablizer.What isolation board was divided into
Small cylindrical space is more elongated, and it is more small and weak to rock effect.Voltage-stablizer can be such that nuclear power floating platform is relayed in worse environment
Reforwarding row causes shutdown or peace note signal error starting without being rocked because of liquid level in voltage-stablizer, enhances nuclear reactor system
The adaptive capacity to environment of system improves security and economy of the nuclear reaction to system.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is the internal structure schematic diagram of the voltage-stablizer in the embodiment of the present invention；
Fig. 2 is the C-C of the voltage-stablizer in Fig. 1 to cross-sectional view.
Specific embodiment
In order to which the technical features, objects and effects to the present invention are more clearly understood, now compare attached drawing and be described in detail
The specific embodiment of the present invention.
As shown in Figure 1 and Figure 2, the usually floating of the nuclear power floating platform in a preferred embodiment of the invention is arranged on sea
On, nuclear power floating platform includes nuclear reactor system, and nuclear reactor system is equipped with primary Ioops system, and primary Ioops system is equipped with
Voltage-stablizer can cause core to move in floating platform in the displacement of the external conditions such as wave, wind, ocean current and floating platform
The run-off the straight of power floating platform rises and falls, waves when movements, and voltage-stablizer can inhibit sloshing phenomenon, can adjust and control one time
The pressure of road system ensures the pressure in primary Ioops system in stability range.Voltage-stablizer can be applied to different reactor heap-type,
Both floating marine reactor had been can be applied to, can also be applied to ice breaker etc..
Voltage-stablizer includes cylindrical body 1 and the upper cover 2, the low head that are covered to the upper and lower ends of cylindrical body 1
3,1 upper end of cylindrical body is provided on low head 3 and is set, the hydrospace A of 1 lower end of cylindrical body is split isolation
Anti-shake isolating device 4.
The hydrospace A of dress water is formed in cylindrical body 1, the height of water storage is being typically not greater than voltage-stablizer energy normal operation just
Normal operating water level B.Preferably, upper cover 2 is spherical to raise up, and low head 3 is downwardly convex spherical.In voltage stabilizing
After being packed into water in device, it can allow the center of gravity of voltage-stablizer can be on the lower side, reduction is rocked.
Further, the ozzle 5 connected with Surge line piping is provided on low head 3, ozzle 5 is connected with 1 inner cavity of cylindrical body.
When to carrying out water-filling in cylindrical body 1, water enters from Surge line piping in voltage-stablizer.
In some embodiments, anti-shake isolating device 4 includes erecting the isolation board 41 on low head 3.Preferably, isolate
Plate 41 is cylindrical in shape, and after setting up, the hydrospace A in cylindrical body 1 is split, the smaller cylinder of diameter is formed in isolation board 41
Shape space.
The quantity of tubular isolation board 41 is one, and the lower end of isolation board 41 is opposite with ozzle 5, it is preferable that tubular isolation board
41 are arranged concentrically with cylindrical body.The quantity of tubular isolation board 41 can be it is multiple, when for it is multiple when, each tubular isolation board 41 can
To be mutually arranged, can also be arranged side by side.The section shape of the isolation board 41 of tubular can be circular or triangle, square
Wait polygons or irregular contour.
Further, isolation board 41 is equipped with the water level balance hole 411 that penetrates, it is preferable that water level balance hole 411 be located at every
From plate 41 close to the position of low head 3, to ensure a suppression of the effect rocked.When from 5 inside water filling of ozzle, when water level rises to
During 411 position of water level balance hole, water by water level balance hole 411 into the outside of isolation board 41, can be in entire water filling process
Ensure that 41 medial and lateral water level of isolation board keeps balance.
Preferably, it is circumferentially arranged on isolation board 41 to have several water level balance holes 411, allow water can be evenly and rapidly to it
He circulates in space.Certainly, the position in water level balance hole 411 and quantity also according to circumstances can be adjusted suitably, also can be by water level balance
Hole 411 is cancelled, and each space after segmentation is injected separately into water by way of separated injection, on the side wall of tubular isolation board 41
The seam axially penetrated through can be equipped with, circulation of the water in each space is realized by seam.
The anti-shake isolating device of voltage-stablizer in the embodiment of the present invention by the hydrospace A of large diameter tubular body 1 vertically
Segmentation, being divided into the smaller space of multiple sections, the cross dimensions in these small spaces is smaller, is not easy in isolation board 41 as container
Interior generation is rocked, and can effectively inhibit the sloshing phenomenon in voltage-stablizer.The small cylindrical space that isolation board 41 is divided into is thinner
It is long, it is more small and weak to rock effect.Voltage-stablizer can be such that nuclear reactor system is continued to run in worse environment, without because steady
Liquid level, which rocks, in depressor causes shutdown, enhances the adaptive capacity to environment of nuclear reactor system, improves nuclear reactor system
Economy.
The structure of the anti-shake isolating device 4 of voltage-stablizer is simple, can be transformed, not change on the basis of existing voltage-stablizer
Become the situation for the water capacity for having voltage-stablizer, the normal function that voltage-stablizer maintains primary Ioops system pressure will not be influenced, effectively
The security and economy that improve nuclear reactor system.
In other embodiments, anti-shake isolating device 4 may also comprise the isolation board 41 of multiple plates, and each isolation board 41 is not
With direction is arranged side by side or arrangement of staggering, also can multiple isolation boards 41 form one group of enclosing setting, be divided into interconnected
Hydrospace A is divided into multiple insulating spaces of several connections by multiple spaces in cylindrical body 1.Isolation board 41 can increase
The resistance that water rocks slows down the speed in the circulation of each separate space, so as to play the effect that buffered water is rocked.
In some embodiments, the thickness of isolation board 41 is less than the thickness of cylindrical body 1, can mitigate the weight of voltage-stablizer
Amount.Preferably, the wall thickness of isolation board 41 is not less than a quarter of 1 wall thickness of cylindrical body, can both ensure the strong of isolation board 41
Degree, and achieved the purpose that mitigate weight.Certainly, the thickness of isolation board 41 can be also configured by actual conditions, as long as can protect
Demonstrate,prove enough intensity.
Further, the upper end of isolation board 41 is not higher by the normal operation water level B of hydrospace A, can significantly rock
Afterwards, allow water that can quickly be flowed from the upper end of isolation board 41, ensure that the liquid level in each region is consistent.
In addition, partly or entirely it is equipped with electrically heated rod 6, the upper end of electrically heated rod 6 in the divided each spaces of hydrospace A
It,, can after rocking since the upper end of isolation board 41 is not higher by the normal operation water level B of hydrospace A less than the upper end of isolation board 41
It is flooded with ensureing that electrically heated rod 6 remains under accidental conditions.
Electrically heated rod 6 remains the stable state flooded and can be guaranteed at being heated always to water, makes the aquatic products of heating
Raw quantity of steam is in stably and controllable state, convenient for subsequently regulating and controlling the pressure in voltage-stablizer.Preferably, hydrospace A is divided
All equipped with electrically heated rod 6 quantity of steam of ullage can be allowed to be also at a balanced stable state in each space, ensured each
The pressure of a position is balanced, and the pressure being also beneficial in follow-up regulation and control voltage-stablizer prevents from causing pressure controlling process due to imbalance
In pressure data it is inaccurate.Certainly, pressure data is accurate in regulation process is guaranteed, and also can only allow hydrospace
The divided segment spaces of A are equipped with electrically heated rod 6.
Voltage-stablizer further includes the spray nozzle being arranged on upper cover 2, safety valve (not shown), since isolation board 41 is installed
On low head 3, and the upper end of isolation board 41 is not higher by the normal operation water level B of hydrospace A, above normal operation water level B
Slot milling does not interfere with the installation of top spray nozzle then, meanwhile, it ensure that above shower water and normal operation water level B
Heat exchange area between steam does not influence the heat exchange between shower water and steam, ensure that the effect of spray, for maintaining one
The pressure of circuit system has great importance, and reduces control difficulty, improves the precision of control.
In normal course of operation when voltage-stablizer does not have external movement to cause excitation, it is divided into inside voltage-stablizer positioned at top
Vapor phase space and the liquid Space positioned at lower part, the water in voltage-stablizer saturation state is heated to for 6 groups by electrically heated rod.When steady
When depressor pressure declines, by electrically heated rod 6, fractional saturation water is heated to be steam, improves voltage-stablizer pressure；When voltage-stablizer pressure
When power is higher than normal operating value, the relatively low water condensation part of temperature is sprayed from the spray nozzle at the top of voltage-stablizer to steam space and is steamed
Vapour, so as to reduce the pressure in voltage-stablizer.When not having external drive, the water level in voltage-stablizer maintains normal operation water level B
In the range of.
In normal course of operation when voltage-stablizer has external movement to cause excitation, voltage-stablizer is transported with floating platform
Dynamic, isolation board 41 can effectively inhibit rocking in voltage-stablizer, and the vapour, water interface in voltage-stablizer slightly fluctuate, but maintain
In tolerance band.Electric heater length is less than 41 height of isolation board, even if under the conditions of worst external drive, electrical heating
Device, which remains, to be flooded.Isolation board 41 inhibits rocking for water in voltage-stablizer, effectively inhibits vapor-liquid separation face in ocean condition etc.
In the case of fluctuation, avoid that pressurizer heaters caused by rocking are exposed or spray thrower floods, and reduce the survey of voltage-stablizer water level
The difficulty of amount, therefore the influence rocked to level measuring and pressure measurement can be ignored substantially.
Voltage-stablizer in the embodiment of the present invention is applied also in the voltage-stablizer based on nitrogen stabilization pressure principle, i.e. cylindrical body
Water in 1 does not have to heating, injects nitrogen above the A of hydrospace, when pressure is smaller, to hydrospace A tops injection nitrogen, works as pressure
When power increases, nitrogen is discharged.Therefore, voltage-stablizer has good expansibility.
It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (11)
1. a kind of pressure stabilizer that can inhibit sloshing phenomenon, including cylindrical body (1) and to the upper of the cylindrical body (1)
Upper cover (2) that lower both ends are covered, low head (3), which is characterized in that
The cylindrical body (1) upper end is provided on the low head (3) to set, with by the cylindrical body (1) lower end
Hydrospace (A) is split the anti-shake isolating device (4) of isolation；
The upper end of the anti-shake isolating device (4) is not higher by the normal operation water level (B) of the hydrospace (A)；
Electrically heated rod (6), the electrically heated rod (6) are partly or entirely equipped in the divided each space of hydrospace (A)
Upper end be less than the isolation board (41) upper end.
2. the pressure stabilizer according to claim 1 that sloshing phenomenon can be inhibited, which is characterized in that the anti-shake isolation dress
Putting (4) includes erecting at least one isolation board (41) on the low head (3).
3. the pressure stabilizer according to claim 2 that sloshing phenomenon can be inhibited, which is characterized in that the isolation board (41)
It is cylindrical in shape.
4. the pressure stabilizer according to claim 3 that sloshing phenomenon can be inhibited, which is characterized in that the isolation board (41)
The water level balance hole (411) penetrated is equipped with, the water level balance hole (411) is located at the isolation board (41) close to the lower envelope
The position of head (3).
5. the pressure stabilizer according to claim 4 that sloshing phenomenon can be inhibited, which is characterized in that the isolation board (41)
It is above circumferentially arranged to have several water level balance holes (411).
6. the pressure stabilizer of sloshing phenomenon can be inhibited according to claim 2 to 5 any one of them, which is characterized in that described
The thickness of isolation board (41) is less than the thickness of the cylindrical body (1).
7. the pressure stabilizer according to claim 6 that sloshing phenomenon can be inhibited, which is characterized in that the isolation board (41)
Wall thickness be not less than the cylindrical body (1) wall thickness a quarter.
8. the pressure stabilizer according to any one of claims 1 to 5 that sloshing phenomenon can be inhibited, which is characterized in that described
Voltage-stablizer further includes the ozzle (5) for being arranged on the low head (3) to connect with Surge line piping, the ozzle (5) and the cylinder
Shape body (1) inner cavity connects.
9. the pressure stabilizer according to any one of claims 1 to 5 that sloshing phenomenon can be inhibited, which is characterized in that described
Voltage-stablizer further includes the spray nozzle being arranged on the upper cover (2), safety valve.
10. the pressure stabilizer according to any one of claims 1 to 5 that sloshing phenomenon can be inhibited, which is characterized in that described
Upper cover (2) is spherical to raise up, and the low head (3) is downwardly convex spherical.
11. a kind of nuclear power floating platform, which is characterized in that the nuclear power floating platform include primary Ioops system, described one
Circuit system is equipped with claims 1 to 10 any one of them voltage-stablizer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610903479.9A CN106653100B (en) | 2016-10-17 | 2016-10-17 | Nuclear power floating platform and the pressure stabilizer that sloshing phenomenon can be inhibited |
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| CN201610903479.9A CN106653100B (en) | 2016-10-17 | 2016-10-17 | Nuclear power floating platform and the pressure stabilizer that sloshing phenomenon can be inhibited |
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| CN106653100B true CN106653100B (en) | 2018-05-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109559834A (en) * | 2017-09-26 | 2019-04-02 | 国家电投集团科学技术研究院有限公司 | Stable-pressure device and stable-pressure device group for nuclear reactor |
| CN108346476B (en) * | 2018-03-30 | 2024-03-22 | 中广核研究院有限公司 | Reactor and split-tank voltage stabilizer |
| CN108801396B (en) * | 2018-05-08 | 2019-11-15 | 中广核研究院有限公司 | Voltage-stablizer and liquid level emasuring device for maritime floating platform voltage-stablizer |
| CN113823424B (en) * | 2021-08-29 | 2023-12-19 | 哈尔滨工程大学 | Device for inhibiting water leap or sloshing phenomenon in built-in voltage stabilizer |
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| CN101336566A (en) * | 2005-12-16 | 2008-12-31 | 阿海珐核能公司 | Pressurizer heater for the primary cooling system of a pressurized-water nuclear reactor |
| CN105957565A (en) * | 2016-06-23 | 2016-09-21 | 中广核研究院有限公司 | Suppression pool and safety shell with same |
| CN106024074A (en) * | 2016-05-11 | 2016-10-12 | 中广核研究院有限公司 | Nuclear power plant voltage stabilizer for inhibiting liquid level sloshing |
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2016
- 2016-10-17 CN CN201610903479.9A patent/CN106653100B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101336566A (en) * | 2005-12-16 | 2008-12-31 | 阿海珐核能公司 | Pressurizer heater for the primary cooling system of a pressurized-water nuclear reactor |
| CN106024074A (en) * | 2016-05-11 | 2016-10-12 | 中广核研究院有限公司 | Nuclear power plant voltage stabilizer for inhibiting liquid level sloshing |
| CN105957565A (en) * | 2016-06-23 | 2016-09-21 | 中广核研究院有限公司 | Suppression pool and safety shell with same |
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