CN109659043A - A kind of nuclear constrain test platform in ocean - Google Patents
A kind of nuclear constrain test platform in ocean Download PDFInfo
- Publication number
- CN109659043A CN109659043A CN201710932986.XA CN201710932986A CN109659043A CN 109659043 A CN109659043 A CN 109659043A CN 201710932986 A CN201710932986 A CN 201710932986A CN 109659043 A CN109659043 A CN 109659043A
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- shell
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- test platform
- constrain
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C9/00—Emergency protection arrangements structurally associated with the reactor, e.g. safety valves provided with pressure equalisation devices
- G21C9/004—Pressure suppression
-
- 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)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a kind of nuclear constrain test platforms in ocean, are related to ocean small modular reactor, containment engineered safeguards features technical field.It includes experimental provision and tilter.Experimental rig includes first shell and second shell, and mock-up reactor and the primary Ioops simulator with steam generator are equipped in first shell, is at least partly filled with liquid in second shell.First shell is connected with second shell by least one communicating pipe, and is located at the shell intracorporal one end communicating pipe and is protruded into liquid.Experimental rig is fixed on the tilter, can simulate the operating status under ocean condition.The present invention can inhibit the pressure of accident generation in time and absorb radiogen when Main Coolant occurs for ocean nuclear power platform or cut loss of-coolant accident (LOCA) occurs for main steam line, additionally it is possible to inhibit the pressure peak of first shell, and record accident parameter and refer to for people.
Description
Technical field
The present invention relates to ocean small modular reactors, containment engineered safeguards features technical field, and in particular to one
The kind nuclear constrain test platform in ocean.
Background technique
Ocean nuclear power platform is marine movable small nuclear power station, it is that Marine engineering and nuclear power engineering organically combine
Product, main target are for offshore oil drilling platform and island power supply.
Ocean nuclear power platform is the pioneering technology of China, and also in developing stage, there are space limitations, and be pressurized limitation.
Improve the technology and provide data parameters for ocean nuclear power platform and support, other than a large amount of theoretical works, it is also necessary to carry out big
The scientific experiment of amount.Since nuclear power itself is extremely dangerous, related experiment platform also just allows for that accident occurs in test
When, play the role of security protection.
Existing shore-front-trials platform can not simulate maritime environment first, and the facility being secondly mostly directed to is medium-sized and large-scale
Reactor and primary Ioops simulator, in addition, its technical solution for using enabling fashion and passive mode to combine to design
It is more complex and cost is also higher.If such scheme is applied to marine nuclear power installation, when there is the case where energy forfeiture,
Marine nuclear power installation is difficult to as land based installation obtain other Emergency power sources rapidly, and enabling fashion is easier to lose
Effect in turn results in entire protectiving scheme failure.Therefore, for marine small modules formula reactor, providing one kind can be simulated
Maritime environment and passive security protection test platform are that comparison is intuitive, safe and economical.
In addition, when accident or simulated accident occurs when carrying out related experiment, it is also necessary to collect test parameters for people
With reference to establishing corresponding counter-measure to facilitate.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of nuclear constrain tests in ocean
Platform can simulate maritime environment, and economy is easily conducted nuclear test, and can control safety in time when accident occurs for test
The pressure peak of shell.
To achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of nuclear constrain test platform in ocean, characterized in that it comprises:
Experimental rig comprising first shell and second shell, the first shell is interior to be equipped with reactor and primary Ioops mould
Intend device, at least partly passes through at least one filled with liquid, the first shell and second shell in the second shell and connect
Siphunculus is connected, and is located at the shell intracorporal one end the communicating pipe and protrudes into the liquid；
Tilter, the experimental rig are fixed on the tilter.
Based on the above technical solution, the liquid includes water.
Based on the above technical solution, the liquid also includes boric acid.
Based on the above technical solution, the first shell, in second shell and reactor and primary Ioops simulation dress
It sets and is equipped with pressure sensor and thermocouple, the pressure sensor and thermocouple pass through data collection process device and terminal
It is connected.
Based on the above technical solution, the reactor and primary Ioops simulator include a steam generator, institute
Stating steam generator includes rupture disk and nozzle.
Based on the above technical solution, the experimental rig further includes a high-speed camera, the high-speed camera
Shooting area be the communicating pipe be located at second shell inner opening region.
Based on the above technical solution, the high-speed camera is located at outside the second shell, and the second shell
Body is transparent PVC plate, and the second shell is equipped with the transparent window of high-speed camera shooting.
Based on the above technical solution, the second shell is set to inside first shell.
Based on the above technical solution, the second shell is set to by the first shell.
Compared with the prior art, the advantages of the present invention are as follows:
(1) a kind of nuclear constrain test platform in ocean of the present invention, using communicating pipe by containment after test incident
Internal pressure is imported into second shell, and which is passive to be limited in surge pressure in containment design threshold value, thus
It ensure that the safety of experiment porch；The scheme of active and passive combination is compared, more economical and safety.
(2) a kind of nuclear constrain test platform in ocean of the present invention, can be by being rationally arranged second shell capacity, liquid
Volume and second shell quantity make the control of containment pressure peak and constrain system design being optimal.
(3) a kind of nuclear constrain test platform in ocean of the present invention, using being connected to first shell and a plurality of communicating pipe
Two shells, constrain response time after reduction accident, additionally it is possible to judge cut by the different constrain manifold pressure sizes of comparison
Position.
(4) a kind of nuclear constrain test platform in ocean of the present invention, it is cold can to shorten gas for aperture on connecting pipe
But the time makes the more effective condensed steam of constrain testing stand.
(5) a kind of nuclear constrain test platform in ocean of the present invention, can pass through the nozzle on rotary steam generator
It simulates different location cut, and observes the flow velocity in different constrain pipelines and the different experimental phenomena of comparison.
(6) a kind of nuclear constrain test platform in ocean of the present invention, can be by changing roll and pitch on tilter
Swing angle, rolling period of axis etc. realize the simulation to ocean condition.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the nuclear constrain test platform in ocean of the present invention.
In figure: 1- experimental rig, 10- reactor and primary Ioops simulator, 11- first shell, 12- second shell, 13-
Liquid, 14- communicating pipe, 15- steam generator, 16- nozzle, 17- pressure sensor, 18- thermocouple, 2- tilter, 3- data
Collecting and treating apparatus, 4- terminal, 5- high-speed camera.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Shown in Figure 1, the embodiment of the present invention provides a kind of nuclear constrain test platform in ocean, including experimental rig
1 and the tilter 2 that is fixed below experimental provision.
Experimental rig 1 includes the internal first shell 11 for being equipped with reactor and primary Ioops simulator 10 and internal at least portion
Divide the second shell 12 filled with liquid 13, first shell 11 and second shell 12 by being connected at least one communicating pipe 14,
And it is located at one end in second shell 12 communicating pipe 14 and protrudes into the liquid 13 of the filling of second shell 12.
Tilter 2 preferably comprises pitch axis and axis of roll, and when pitch axis rolls, experimental rig 1 shakes perpendicular to pitch axis
It is dynamic；When axis of roll is rolled, experimental rig 1 shakes perpendicular to axis of roll.Preferably, by the way that pitch axis and cross are arranged simultaneously
The different rocking tendency of rocker come simulation test device 1 by marine environment impact size and simulation test device 1 along
It shakes in any one direction of horizontal plane.Further, interval is waved by setting pitch axis and axis of roll and waves duration, come
Simulation test device 1 is waved by different interval in all directions in marine environment and duration.The pitch axis that is arranged in this way and
Axis of roll can effectively provide sea experimentation environment.
When accident occurs for the reactor and primary Ioops simulator 10 that first shell 11 accommodates in test --- such as main cooling
After agent or main steam line break mouthful loss of-coolant accident (LOCA), temperature is risen rapidly in first shell 11, in first shell 1 can not
The gas of condensation expands rapidly because of high temperature, and the substances such as water are also gasified and also expanded because of high temperature because of high temperature,
So that 11 internal pressure of first shell rises suddenly.Since 11 internal pressure of first shell rises, with the second shell bodily form
At pressure difference, the above-mentioned gas in first shell 11 leaves first shell 11 from one end that communicating pipe 14 is set to first shell 11
Into communicating pipe 14, then passes through communicating pipe 14 and enter in second shell 12 from one end that communicating pipe 14 is embedded in liquid 13.It can
The substances such as the gas of condensation such as water pass through liquid 13 and are absorbed heat, are converted into liquid or solid-state, volume greatly reduces；Cause
High temperature and the non-condensable gas that expands absorbs heat by liquid 13, volume-diminished simultaneously floats up to second by liquid 13
12 middle and upper part of shell point, it is more good to alleviate the problem that pressure is excessive in first shell 11.It is possible thereby to deduce reasonable setting
13 volume of volume and liquid of second shell 12, being capable of more effectively absorption pressure
It is connected to first shell 11 and its sectional area range of the communicating pipe 14 of second shell 12 is 0.1~1 ㎡, count communicating pipe 14
Amount is 1 or more, it is preferred that the quantity of communicating pipe 14 is 3 or more.The sectional area of communicating pipe 14 is bigger, and quantity is more,
In unit time can by high temperature and high pressure gas it is more, when the reactor and primary Ioops simulator in first shell 11
10 when occurring accident, and the reaction rate of passive decompression is faster.Communicating pipe 14 liquid and first shell in second shell 12
Multiple holes are preferably opened on pipeline in 11, can accelerate the reaction rate of passive decompression.
Experimental rig 1 is preferably provided with multiple second shells 12, and the quantity of setting should be able to guarantee to absorb the to greatest extent
Suddenly the substance to gasify and the gas expanded because of high temperature in one shell 11.The preferred water of liquid 13 in second shell 12, because
It is larger for the specific heat capacity of water, more heat can be absorbed, so that more substances be converted.Further, in water preferably
Boric acid is added, because boric acid can preferably neutralize radiant matter and absorb the harm ray come out, so that the present invention exists
While absorbing condensable gas and gas, absorbs radiant matter and reduce the extent of injury of test incident.
The material that first shell 11 and second shell 12 use is preferably combined material, can be propped up when accident occurs
First shell 11 and second shell 12 are supportted, the positive pressure and negative pressure of first shell 11 and second shell 12 are born.11 He of first shell
It is preferably provided with lead finish outside second shell 12, for shielding gamma-rays, reduces influence of the accident to environment.
First shell 11 and second shell 12 are preferably provided with pressure sensor 17 and thermocouple 18, pressure sensor 17 and heat
Galvanic couple 18 is separately positioned on different height, and is connected by a data collection process device 3 with terminal 4, data collection process device 3
It handles the data that thermocouple 18 and pressure sensor 17 transmit and sends terminal 4 to, which records the number pressure of every aspect
According to enclosure interior pressure, temperature etc. parameter when recording normal assays under simulating ocean environment facilitate testing crew verification in fact
The test data applied；In the event of an accident, pressure sensor 17 and thermocouple 18 are able to record pressure and temperature when accident occurs
Degree variation, facilitates testing crew to search cause of accident.After the accident, pressure sensor 17 and thermocouple 18 maintain monitoring anti-
Heap is answered to prevent the generation of second accident: the data that pressure sensor 17 and thermocouple 18 sense by data collection process its
It sends terminal 4 to, issues alarm signal after terminal 4 finds that exception occur in data.
The nuclear constrain test platform in this ocean is in addition to the test as reactor experiment and primary Ioops simulator 10
Outside platform, the accident analogue test platform of being also used as carrys out related data when simulated accident occurs: reactor and primary Ioops mould
It include steam generator 15 in quasi- device 10, which is equipped with thermocouple 18 and pressure sensor 17 and explosion
Piece, after 15 internal pressure of steam generator crosses threshold value, which can break the rupture disk on steam generator 15 to discharge pressure
Power.Steam generator 15 is preferably provided with a nozzle 16, which can adjust the rate for spurting steam and direction, passes through adjusting
The steam of nozzle 16 spurts direction and rate comes mock-up reactor and primary Ioops cut size and position occurs.In addition to pressure passes
Sensor 17 and thermocouple 18 carry out outside data record, high-speed camera 5 are arranged in 12 side of second shell, second shell 12 is at this
Side is using transparent high temperature high-pressure resistant material, it is preferable to use transparent PVC board: when accident occurs, high-speed camera 5 can be seen
The bubble shape that substance enters liquid 13 in second shell 12 by communicating pipe 14 is surveyed, and record high temperature substance is pressed by high pressure
To communicating pipe 14,14 nozzle of communicating pipe, second shell 12 close to 14 orifice region of communicating pipe, second shell 12 in second shell 12
Disturbance and influence.
Structure between first shell 11 and second shell 12 can be it is separately independent can be abutting together, can be with
It is that first shell 11 includes second shell 12, form needs to be arranged according to test.
The present invention is not only limited to above-mentioned preferred forms, anyone can show that other are each under the inspiration of the present invention
The product of kind form, however, make any variation in its shape or structure, it is all with identical or similar with the present invention
Technical solution, within its protection scope.
Claims (9)
1. a kind of nuclear constrain test platform in ocean, characterized in that it comprises:
Experimental rig (1) comprising first shell (11) and second shell (12), the first shell (11) is interior to be equipped with reactor
And primary Ioops simulator (10), the second shell (12) is interior to be at least partly filled with liquid (13), the first shell
(11) with second shell (12) by being connected at least one communicating pipe (14), and the communicating pipe (14) is located in the shell
One end protrude into the liquid (13)；
Tilter (2), the experimental rig (1) are fixed on the tilter (2).
2. the nuclear constrain test platform in ocean as described in claim 1, it is characterised in that: the liquid (13) include
Water.
3. the nuclear constrain test platform in ocean as claimed in claim 2, it is characterised in that: the liquid (13) also include
Boric acid.
4. the nuclear constrain test platform in ocean as described in claim 1, it is characterised in that: the first shell (11),
It is equipped with pressure sensor (17) and thermocouple (18) in second shell (12) and on reactor and primary Ioops simulator (10),
The pressure sensor (17) is connected by data collection process device (3) with terminal (4) with thermocouple (18).
5. the nuclear constrain test platform in ocean as described in claim 1, it is characterised in that: the reactor and primary Ioops
Simulator (10) includes a steam generator (15), and the steam generator (15) includes rupture disk and nozzle (16).
6. the nuclear constrain test platform in ocean as described in claim 1, it is characterised in that: the experimental rig (1) is also
Including a high-speed camera (5), the shooting area of the high-speed camera (5) is that the communicating pipe (14) are located at the second shell
Body (12) inner opening region.
7. the nuclear constrain test platform in ocean as claimed in claim 6, it is characterised in that: the high-speed camera (5)
Outside positioned at the second shell (12), and the second shell (12) is transparent PVC plate, and the second shell (12) is equipped with institute
State the transparent window of high-speed camera (5) shooting.
8. the nuclear constrain test platform in ocean as described in any one of claims 1 to 7, it is characterised in that: described second
It is internal that shell (11) is set to first shell (12).
9. the nuclear constrain test platform in ocean as described in any one of claims 1 to 7, it is characterised in that: described second
It is other that shell (12) is set to the first shell (11).
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| CN201710932986.XA CN109659043B (en) | 2017-10-10 | 2017-10-10 | Ocean nuclear power's suppression test platform |
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|---|---|---|---|
| CN201710932986.XA CN109659043B (en) | 2017-10-10 | 2017-10-10 | Ocean nuclear power's suppression test platform |
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| CN109659043A true CN109659043A (en) | 2019-04-19 |
| CN109659043B CN109659043B (en) | 2023-10-03 |
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Cited By (3)
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| CN112053791A (en) * | 2020-09-15 | 2020-12-08 | 哈尔滨工程大学 | Non-time-limit passive combined heat removal system with integrated heat release trap |
| CN112071454A (en) * | 2020-09-15 | 2020-12-11 | 哈尔滨工程大学 | Passive combined heat removal system with integrated heat release trap |
| CN114333545A (en) * | 2021-12-08 | 2022-04-12 | 中国船舶重工集团公司第七一九研究所 | Combined vertical natural circulation steam generator's experimental analog body |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112071454A (en) * | 2020-09-15 | 2020-12-11 | 哈尔滨工程大学 | Passive combined heat removal system with integrated heat release trap |
| CN112053791B (en) * | 2020-09-15 | 2023-01-03 | 哈尔滨工程大学 | Non-time-limit passive combined heat removal system with integrated heat release trap |
| CN112071454B (en) * | 2020-09-15 | 2023-01-03 | 哈尔滨工程大学 | Passive combined heat removal system with integrated heat release trap |
| CN114333545A (en) * | 2021-12-08 | 2022-04-12 | 中国船舶重工集团公司第七一九研究所 | Combined vertical natural circulation steam generator's experimental analog body |
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|---|---|
| CN109659043B (en) | 2023-10-03 |
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