CN109215814A - Horizontal supporting structure for multi-vessel system - Google Patents
Horizontal supporting structure for multi-vessel system Download PDFInfo
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- CN109215814A CN109215814A CN201810866960.4A CN201810866960A CN109215814A CN 109215814 A CN109215814 A CN 109215814A CN 201810866960 A CN201810866960 A CN 201810866960A CN 109215814 A CN109215814 A CN 109215814A
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- steam generator
- main pump
- pressure vessel
- bearing unit
- bearing
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- 230000001154 acute effect Effects 0.000 claims description 6
- 230000035882 stress Effects 0.000 abstract description 15
- 230000009184 walking Effects 0.000 abstract description 5
- 230000008646 thermal stress Effects 0.000 abstract description 4
- 238000000354 decomposition reaction Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing 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
- G21C13/024—Supporting constructions for pressure vessels or containment vessels
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of horizontal supporting structures for multi-vessel system, multi-vessel system includes pressure vessel, steam generator, main pump, steam generator includes at least two, the border of pressure vessel is symmetrically set, main pump includes at least two, the border of pressure vessel is symmetrically set, steam generator, main pump are arranged alternately in the border of pressure vessel, and it is evenly spaced in the border of pressure vessel, steam generator passes through first pipe respectively and connect with pressure vessel, and main pump passes through second pipe respectively and connect with pressure vessel.Horizontal supporting structure support pattern is centrosymmetric arrangement, arrangement is simple and effective, pass through Stress decomposition, make the stress equalization of the main equipments container such as steam generator, main pump, the generation for allowing the low speed such as the thermal expansion of main equipments container, the thermal walkings such as steam generator, main pump to be displaced, thermal stress is discharged within certain limits, it is ensured that the stable state of the main equipments container such as steam generator, main pump.
Description
Technical field
The present invention relates to nuclear power fields, more specifically to a kind of horizontal supporting structure for multi-vessel system.
Background technique
In compact Layout reactor, the primary tanks such as pressure vessel, steam generator, main pump are vertical vessel, steam
The border of pressure vessel is symmetrically arranged in centered on pressure vessel in generator, main pump, and steam generator, main pump exist
The border of pressure vessel is alternately distributed, and is connect with the side of pressure vessel by pipeline.
Steam generator, main pump draw ratio are big, and center of gravity is higher, are that anti-seismic performance is poor in entire reactor coolant loop
Equipment.Cold and hot variation is had in reactor operation, temperature change causes equipment to generate thermal expansion and thermal walking, upper water
Flat bearing answers limited release device to expand, and avoids thermal stress excessive, damages support apparatus.This project has also been superimposed long-term existence
Alternating load and external impact load.External impact load and alternating load periodically cause the rolling, pitching, cross of container
Incline, trim and heaving, increases the suffered moment of flexure of lower vessel portion bearing, stress, there are containers to overturn risk, and equipment room
The weakness such as pipeline-weld are also easy to produce tired risk.
Summary of the invention
The technical problem to be solved in the present invention is that providing a kind of horizontal supporting structure for multi-vessel system.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of level branch for multi-vessel system
Bearing structure, the multi-vessel system include pressure vessel, steam generator, main pump, and the steam generator includes at least two,
The border of the pressure vessel is symmetrically set, and the main pump includes at least two, is symmetrically arranged in described
The border of pressure vessel, the steam generator, main pump are arranged alternately in the border of the pressure vessel, and are held in the pressure
The border of device is evenly spaced on, and the steam generator passes through first pipe respectively and connect with the pressure vessel, the master
Pump is connect with the pressure vessel by second pipe respectively, if the horizontal supporting structure include several first bearing units with
Dry second bearing unit；
Circumferentially arranged at least two first bearing units in the outside wall surface of each steam generator, each described
One bearing unit one end is connect with the steam generator, and the other end is stretched out and fixed to the direction far from the pressure vessel,
The first pipe that each first bearing unit outside each steam generator is connected with the corresponding steam generator relatively
Axis horizontal is symmetrical；
Circumferentially arranged at least two second bearing units, each second bearing in the outside wall surface of each main pump
Unit one end is connect with the main pump, and the other end is stretched out and fixed, each main pump to the direction far from the pressure vessel
The second outer bearing unit is opposite symmetrical with the axis horizontal of the second pipe of the corresponding main pump connection.
Preferably, first bearing unit, the second bearing unit stretch out in the horizontal direction.
Preferably, first bearing unit is located at the upper end of the steam generator；Second bearing unit is located at described
The upper end of main pump.
Preferably, first bearing unit includes the first trunnion and the first bearing assembly, and the first trunnion setting exists
In the outside wall surface of the steam generator；
First bearing assembly one end and first trunnion are rotatablely connected, and the other end is to far from the pressure vessel
Direction is stretched out, and is fixedly mounted, stretch out that direction and the corresponding steam generator connect the of first bearing assembly
The axis angle of one pipeline is acute angle.
Preferably, the first bearing unit there are two being set in the outside wall surface of each steam generator；
The first trunnion extending radially out along the corresponding steam generator of each first bearing unit, and
Perpendicular to the axis of the first pipe connected with the corresponding steam generator.
Preferably, the angle of two the first bearing assemblies outside each steam generator is less than 180 degree.
Preferably, first bearing assembly includes the first damper and the first support, and first damper is connected to
Between first support and first trunnion, first support is fixedly mounted.
Preferably, second bearing unit includes the second trunnion and the second bearing assembly, and the second trunnion setting exists
In the outside wall surface of the main pump；
Second bearing assembly one end and second trunnion are rotatablely connected, and the other end is to far from the pressure vessel
Direction is stretched out, and is fixedly mounted, the second pipe for stretching out direction with the corresponding main pump connection of second bearing assembly
Axis angle be acute angle.
Preferably, the second bearing unit there are two being set in the outside wall surface of each main pump；
The second trunnion extending radially out along the corresponding main pump of each second bearing unit, and perpendicular to
With the axis of the second pipe of the corresponding main pump connection.
Preferably, the angle of two the second bearing assemblies outside each main pump is less than 180 degree.
Preferably, second bearing assembly includes the second damper and the second support, and second damper is connected to
Between second support and second trunnion, second support is fixedly mounted.
Implement the horizontal supporting structure for multi-vessel system of the invention, has the advantages that horizontal supporting knot
Structure support pattern is centrosymmetric arrangement, and arrangement is simple and effective, by Stress decomposition, keeps steam generator, main pump etc. main
The stress equalization of equipment container, the hair for allowing the low speed such as the thermal expansion of main equipments container, the thermal walkings such as steam generator, main pump to be displaced
It is raw, thermal stress is discharged within certain limits, it is ensured that the stable state of the main equipments container such as steam generator, main pump.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is that the stereochemical structure when container of the multi-vessel system in the embodiment of the present invention is equipped with horizontal supporting structure is shown
It is intended to；
Fig. 2 be the multi-vessel system in Fig. 1 container be equipped with horizontal supporting structure when overlook direction structural schematic diagram.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
As shown in Figure 1 and Figure 2, the multi-vessel system in a preferred embodiment of the invention includes pressure vessel 1, steam hair
The main equipments containers such as raw device 2, main pump 3, steam generator 2 and main pump 3 respectively include two, two steam generators 2 and two
The border of pressure vessel 1 is symmetrically arranged in main pump 3 respectively, and steam generator 2, main pump 3 are handed in the border of pressure vessel 1
For setting, and it is evenly spaced in the border of pressure vessel 1.
Steam generator 2 connect with pressure vessel 1 by first pipe 4 respectively, main pump 3 pass through respectively second pipe 5 and
Pressure vessel 1 connects, and in other embodiments, the quantity of steam generator 2 and main pump 3 can also more than two.Multi-vessel system
The a part that can be used as reactor can be from swollen generation thermal walking in the variation of reactor cold and hot state；Under open ocean, it can produce
It is raw to tilt and wave.
Multi-vessel system in the present embodiment further includes supporting to 3 two kinds of steam generator 2, main pump main equipment containers
Horizontal supporting structure, further, horizontal supporting structure includes several first bearing units 6 and several second bearing units 7.
Circumferentially arranged with two the first bearing units 6, every one first bearing unit in the outside wall surface of each steam generator 2
6 one end are connect with steam generator 2, and the other end is stretched out and fixed, each steam generator 2 to the direction far from pressure vessel 1
Outer each first bearing unit 6 is opposite symmetrical with the axis horizontal of the first pipe 4 of corresponding steam generator 2 connection.
Circumferentially arranged with two the second bearing units 7, every one second bearing unit, 7 one end in the outside wall surface of each main pump 3
It is connect with main pump 3, the other end is stretched out and fixed, the second bearing unit 7 outside each main pump 3 to the direction far from pressure vessel 1
It is opposite symmetrical with the axis horizontal of the second pipe 5 of corresponding main pump 3 connection.
Horizontal supporting structure support pattern is centrosymmetric arrangement, and arrangement is simple and effective, can be with by Stress decomposition
Guarantee the stable state of the main equipments containers such as steam generator 2, main pump 3.
Preferably, the first bearing unit 6, the second bearing unit 7 stretch out in the horizontal direction, exert a force in the horizontal direction,
Make the stress equalization of the main equipments containers such as steam generator 2, main pump 3, the risk that will not be tumbled.
Change in such a way that horizontal supporting structure is supported in primary tanks cold and hots such as steam generator 2, main pumps 3
When, the first bearing unit 6, the second bearing unit 7 allow the thermal expansion of the main equipments containers such as steam generator 2, main pump 3, thermal walking
The generation of equal low speed displacement, discharges thermal stress within certain limits.
Further, the first bearing unit 6 is located at the upper end of steam generator 2；Second bearing unit 7 is located at main pump 3
Upper end can keep steam hair under the amount of impact loads operating conditions such as the periodic alternating load of marine environment, earthquake or accident
The main equipments containers such as raw device 2, main pump 3 are in stable state, limit the horizontal displacement of upper part, reduce curved suffered by lower support
Square, stress are to reduce the risk that container overturns；Optimize pipeline stress, avoids tired risk.
In some embodiments, the first bearing unit 6 includes the first trunnion 61 and the first bearing assembly 62, the first trunnion 61
It is arranged in the outside wall surface of steam generator 2.First trunnion 61 is welded on 2 top of steam generator, mentions for upper level bearing
For installation site.First bearing assembly, 62 one end and the first trunnion 61 are rotatablely connected, and the other end is to the direction far from pressure vessel 1
It stretches out, and is fixedly mounted.
The axis angle for the first pipe 4 that the stretching direction of first bearing assembly 62 is connected with corresponding steam generator 2
It for acute angle, in this way, the supporting direction of each first bearing unit 6 is outside in the border of pressure vessel 1, and is uniformly distributed, guarantees each
The stress balance in a direction.
In some embodiments, the first bearing unit 6 there are two being set in the outside wall surface of each steam generator 2；Each steaming
The angle of two the first bearing assemblies 62 in 2 outside wall surface of vapour generator is less than 180 degree, guarantees the pulling force of the first bearing unit 6
Direction is the axis direction along the first pipe 4 connected with corresponding steam generator 2, and far from pressure vessel 1, is guaranteed to steaming
The bearing of vapour generator 2.In other embodiments, it if can guarantee the bearing dynamic balance of corresponding steam generator 2, may also set up
More than two first bearing units 6.
First the extending radially out along corresponding steam generator 2 of trunnion 61 of every one first bearing unit 6, and it is vertical
In the axis of the first pipe 4 connected with corresponding steam generator 2, allow the first bearing unit 6 of two sides to steam generator 2
Supporting role power it is more balanced controllable.In other embodiments, the direction that the first trunnion 61 is stretched out to outside steam generator 2
It can be in a certain angle with corresponding first pipe 4.
Further, the first bearing assembly 62 includes the first damper 621 and the first support 622, and the first damper 621 connects
It connects between the first support 622 and the first trunnion 61, the first support 622 is fixedly mounted, and the first support 622 is bolted on
The angled arrangement in stretching direction at reaction cabin bulkhead, with the first trunnion 61.Preferably, the first damper 621 and first
It is also rotation connection between support 622.
Such arrangement, the supporting role power that 6 horizontal supporting of the first bearing unit provides are most of along first pipe 4
Axis direction, another part can keep steam generator 2 to be in stable state, limitation is thereon along the radial direction of steam generator 2
The horizontal displacement in portion, reduce lower support suffered by moment of flexure, stress with reduce steam generator 2 overturning risk, it is conditional
It discharges steam generator 2 to thermally expand, optimizes 4 stress of first pipe.
In some embodiments, the second bearing unit 7 includes the second trunnion 71 and the second bearing assembly 72, the second trunnion 71
It is arranged in the outside wall surface of main pump 3.Second trunnion 71 is welded on 2 top of steam generator, provides installation for upper level bearing
Position.Second bearing assembly, 72 one end and the second trunnion 71 are rotatablely connected, and the other end is stretched out to the direction far from pressure vessel 1,
And it is fixedly mounted.
The axis angle for the second pipe 5 that the stretching direction of second bearing assembly 72 is connected with corresponding main pump 3 is acute angle,
In this way, the supporting direction of each second bearing unit 7 is outside in the border of pressure vessel 1, and it is uniformly distributed, guarantees all directions
Stress balance.
In some embodiments, the second bearing unit 7 there are two being set in the outside wall surface of each main pump 3；Each 3 outer wall of main pump
The angle of two the second bearing assemblies 72 on face be less than 180 degree, guarantee the second bearing unit 7 direction of pull be along with it is corresponding
The axis direction of second pipe 5 that connects of main pump 3 guarantee the bearing to main pump 3 and far from pressure vessel 1.In other implementations
In example, if can guarantee the bearing dynamic balance of corresponding main pump 3, it may also set up more than two second bearing units 7.
Second the extending radially out along corresponding main pump 3 of trunnion 71 of every one second bearing unit 7, and perpendicular to it is right
The axis for the second pipe 5 that the main pump 3 answered connects, makes the second bearing unit 7 of two sides more equal to the supporting role power of main pump 3
Weighing apparatus is controllable.It in other embodiments, the direction that the second trunnion 71 is stretched out to outside steam generator 2 can also be with corresponding second pipe
5 is in a certain angle.
Further, the second bearing assembly 72 includes the second damper 721 and the second support 722, and the second damper 721 connects
It connects between the second support 722 and the second trunnion 71, the second support 722 is fixedly mounted, and the second support 722 is bolted on
The angled arrangement in stretching direction at reaction cabin bulkhead, with the second trunnion 71.Preferably, the second damper 721 and second
It is also rotation connection between support 722.
Such arrangement, the supporting role power that 7 horizontal supporting of the second bearing unit provides are most of along second pipe 5
Axis direction, another part can keep main pump 3 to be in stable state, limit the horizontal position of upper part along the radial direction of main pump 3
It moving, reduces moment of flexure suffered by lower support, stress to reduce the risk of the overturning of main pump 3, conditional release main pump 3 thermally expands,
Optimize 5 stress of second pipe.
Gapless supports between the main equipments container such as horizontal supporting structure and steam generator 2, main pump 3, in earthquake operating condition
Or impact, wave under load, the main equipments container cartridge body wall such as steam generator 2, main pump 3 directly connects with horizontal supporting structure
Touching, can absorb by damper or be transferred to construction external applied load can be to avoid gap to appearance compared to contactless bearing
The performances such as the antidetonation of device have an adverse effect.
It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all 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 (11)
1. a kind of horizontal supporting structure for multi-vessel system, which is characterized in that the multi-vessel system includes pressure vessel
(1), steam generator (2), main pump (3), the steam generator (2) include at least two, are symmetrically arranged in described
The border of pressure vessel (1), the main pump (3) include at least two, and the week of the pressure vessel (1) is symmetrically arranged in
Circle, the steam generator (2), main pump (3) are arranged alternately in the border of the pressure vessel (1), and in the pressure vessel
(1) border is evenly spaced on, and the steam generator (2) is connected by first pipe (4) and the pressure vessel (1) respectively
It connects, the main pump (3) is connect by second pipe (5) with the pressure vessel (1) respectively, if the horizontal supporting structure includes
Dry first bearing unit (6) and several second bearing units (7)；
It is each described circumferentially arranged at least two first bearing units (6) in the outside wall surface of each steam generator (2)
First bearing unit (6) one end is connect with the steam generator (2), direction of the other end to separate the pressure vessel (1)
It stretches out and fixes, each first bearing unit (6) of each steam generator (2) outside is opposite with the corresponding steam generator
(2) axis horizontal of the first pipe (4) connected is symmetrical；
Circumferentially arranged at least two second bearing units (7) in the outside wall surface of each main pump (3), each described second
Bearing unit (7) one end is connect with the main pump (3), and the other end is stretched out and fixed to the direction far from the pressure vessel (1), often
The axis of the opposite second pipe (5) connected with the corresponding main pump (3) of the second bearing unit (7) of one main pump (3) outside
Horizontal symmetrical.
2. horizontal supporting structure according to claim 1, which is characterized in that first bearing unit (6), the second bearing
Unit (7) stretches out in the horizontal direction.
3. horizontal supporting structure according to claim 1, which is characterized in that first bearing unit (6) is located at described
The upper end of steam generator (2)；Second bearing unit (7) is located at the upper end of the main pump (3).
4. horizontal supporting structure according to any one of claims 1 to 3, which is characterized in that first bearing unit (6)
Including the first trunnion (61) and the first bearing assembly (62), first trunnion (61) is arranged in the steam generator (2)
In outside wall surface；
Described first bearing assembly (62) one end and first trunnion (61) are rotatablely connected, and the other end holds to far from the pressure
The direction of device (1) is stretched out, and is fixedly mounted, the stretching direction of first bearing assembly (62) and the corresponding steam generation
The axis angle of the first pipe (4) of device (2) connection is acute angle.
5. horizontal supporting structure according to claim 4, which is characterized in that the outer wall of each steam generator (2)
There are two being set on face the first bearing unit (6)；
The first trunnion (61) of each first bearing unit (6) along the corresponding steam generator (2) radially outward
It stretches out, and perpendicular to the axis of the first pipe (4) connected with the corresponding steam generator (2).
6. horizontal supporting structure according to claim 5, which is characterized in that each steam generator (2) outside two
The angle of a first bearing assembly (62) is less than 180 degree.
7. horizontal supporting structure according to claim 5, which is characterized in that first bearing assembly (62) includes first
Damper (621) and the first support (622), first damper (621) are connected to first support (622) and described
Between one trunnion (61), first support (622) is fixedly mounted.
8. horizontal supporting structure according to any one of claims 1 to 3, which is characterized in that second bearing unit (7)
Including the second trunnion (71) and the second bearing assembly (72), outside wall surface of the second trunnion (71) setting in the main pump (3)
On；
Described second bearing assembly (72) one end and second trunnion (71) are rotatablely connected, and the other end holds to far from the pressure
The direction of device (1) is stretched out, and is fixedly mounted, the stretching direction of second bearing assembly (72) and the corresponding main pump (3)
The axis angle of the second pipe (5) of connection is acute angle.
9. horizontal supporting structure according to claim 8, which is characterized in that set in the outside wall surface of each main pump (3)
There are two the second bearing unit (7)；
The second trunnion (71) extending radially out along corresponding main pump (3) of each second bearing unit (7), and
Perpendicular to the axis of the second pipe (5) connected with the corresponding main pump (3).
10. horizontal supporting structure according to claim 9, which is characterized in that each main pump (3) outside two second
The angle of bearing assembly (72) is less than 180 degree.
11. horizontal supporting structure according to claim 9, which is characterized in that second bearing assembly (72) includes the
Two dampers (721) and the second support (722), second damper (721) are connected to second support (722) and described
Between second trunnion (71), second support (722) is fixedly mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810866960.4A CN109215814B (en) | 2018-08-01 | 2018-08-01 | Horizontal support structure for multi-container system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810866960.4A CN109215814B (en) | 2018-08-01 | 2018-08-01 | Horizontal support structure for multi-container system |
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| CN109215814B CN109215814B (en) | 2024-03-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035381A (en) * | 2021-02-03 | 2021-06-25 | 中广核工程有限公司 | Support structure of nuclear power station voltage stabilizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035381A (en) * | 2021-02-03 | 2021-06-25 | 中广核工程有限公司 | Support structure of nuclear power station voltage stabilizer |
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| CN109215814B (en) | 2024-03-22 |
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