CN106596272B - Nuclear power plant's high energy pipeline breaking whipping simulation system and method - Google Patents
Nuclear power plant's high energy pipeline breaking whipping simulation system and method Download PDFInfo
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- CN106596272B CN106596272B CN201611161474.XA CN201611161474A CN106596272B CN 106596272 B CN106596272 B CN 106596272B CN 201611161474 A CN201611161474 A CN 201611161474A CN 106596272 B CN106596272 B CN 106596272B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
The invention discloses a kind of nuclear power plant's high energy pipeline breaking whipping simulation systems comprising: loop network, loop network are equipped with the indentation for conduit rupture；Anti-rejection limited part is disposed in proximity to the position of indentation, the whipping for restriction conduit rupture end；And pressurizing device, by for pressure pipeline connection ring shape pipe network, for providing pressure for the medium in loop network.In addition, the invention also discloses a kind of nuclear power plant's high energy pipeline breaking whipping analogy methods.Compared with the existing technology, nuclear power plant's high energy pipeline breaking whipping simulation system and method for the present invention can accurately reflect the decaying and variation of high energy pipeline breaking end whipping load.
Description
Technical field
The invention belongs to technical field of nuclear power, it is more particularly related to which a kind of nuclear power plant's high energy pipeline breaking is got rid of
Hit simulation system and method.
Background technique
There are the high energy pipeline that running temperature or pressure are more than limit value in nuclear power plant, high energy pipeline has double-ended guillotine break
Whipping behavior will occur under the promotion of high energy medium for risk, pipeline breaking end, cause serious secondary disaster.Therefore, exist
It needs to design anti-rejection limited part when high energy pipe design, the whipping behavior of high energy pipeline is limited and prevented.
After pipeline breaking, whipping moment occurs, and the medium in pipeline rapidly leaks in a short time, and system responds
Time is then relatively long, and the power source for providing pressure for medium can not be shut down in time, can play the valve of buffer action also not
It may close in time, therefore, the thrust load for causing rupture end to be subject to can not be calculated accurately.It is all made of the vacation for guarding simplification at present
If to speculate that rupture thrust, this method do not consider the decline of pressure in pipe-line system, it is assumed that thrust suffered by pipeline is completely not
To be calculated, the rupture thrust and actual fracture behaviour being calculated in this manner are widely different for loss.
In existing nuclear power technology, generallys use weight and fall method simulation high energy pipeline whipping test: by pipeline A
Part (i.e. weight) is placed in high-altitude, makes it from falling from high altitude, the thrust at pipeline breaking end is simulated with the gravity of simulating piece.But
This modeling scheme includes " pipeline medium thrust is not lost " it is assumed that be not inconsistent with actual pipeline whipping situation, can not be simulated
The speed at pipeline breaking end can not also learn the variation of manifold pressure.
In existing nuclear power technology, also has using the method for car crass and simulate pipeline whipping, driven by automobile
Pipeline A part moves along a straight line to simulate the whipping behavior at pipeline breaking end.But this modeling scheme includes that " pipeline thrust is complete
It is complete to lose " it is assumed that be not also consistent with actual pipeline whipping situation, can not learn the variation of manifold pressure.
In view of this, it is necessory to provide a kind of nuclear power plant's high energy pipeline breaking whipping simulation system and method, with accurate
Reflect the decaying and variation of high energy pipeline breaking end whipping load.
Summary of the invention
It is an object of the invention to: a kind of nuclear power plant's high energy pipeline breaking whipping simulation system and method are provided, it can be quasi-
The really decaying and variation of reflection high energy pipeline breaking end whipping load.
In order to achieve the above-mentioned object of the invention, the present invention provides a kind of nuclear power plant's high energy pipeline breaking whipping simulation system,
Comprising:
Loop network, loop network are equipped with the indentation for conduit rupture；
Anti-rejection limited part is disposed in proximity to the position of indentation, the whipping for restriction conduit rupture end；And
Pressurizing device, by for pressure pipeline connection ring shape pipe network, for providing pressure for the medium in loop network.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention, the loop network is close to quarter
Trace two sides are equipped at least one foil gauge for being used to measure pipeline deformation, and the signal receiving device connected by foil gauge is to pipe
Road deformation carries out real-time monitoring.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention, the loop network is close to quarter
The pipeline that whipping occurs for trace is equipped with velocity receptor and acceleration receptor for measuring pipeline whipping speed, and passes through speed
The signal receiving device that degree receptor is connected with acceleration receptor carries out real-time monitoring to pipeline whipping velocity and acceleration.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention, absolute altitude on the loop network
Highest point is equipped with exhaust outlet.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention, the indentation is set according to test
Meter processing is on loop network, and size is according to the pressure medium in loop network by being calculated.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention, the loop network is in indentation
Two sides are respectively provided with one or more electronic pressure gauges for being used for measure annular ductwork pressure.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention, the entrance of the pressurizing device
It is respectively provided on pipeline and outlet line one or more for measuring the electronic pressure gauge of pressurizing device entrance and exit pressure.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention, the electronic pressure gauge is used
Electronic remote reading.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention, the pressurizing device is water pump
Or air compressor machine, the pressurizing device are equipped with long-range start-stop button.
It is described logical for pressure pipeline one end as a kind of improvement of nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention
It crosses threeway and loop network is welded to connect, the other end is connected to the pressurizing device.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention, the anti-rejection limited part is used
Structure with energy absorption device, is mounted on anchor structure.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention, the loop network, which is equipped with, to be carved
The pipeline of trace passes through one or more fixed bracket positioning, pipeline, the pressurizing device of the not set indentation of loop network
Outlet end for also being provided with one or more brackets on pressure pipeline.
In order to achieve the above-mentioned object of the invention, the present invention also provides a kind of nuclear power plant's high energy pipeline breaking whipping simulation sides
Method comprising following steps:
1) analog parameter is determined: including pressure, caliber and wall thickness, pressurizing device lift, anti-rejection limitation piece structure, various instrument
The range of table；
2) nuclear power plant's high energy pipeline breaking whipping simulation system is provided comprising:
Loop network is equipped with electronic pressure gauge on loop network and is equipped with the indentation for conduit rupture, indentation
Place pipeline is equipped with foil gauge, velocity receptor and acceleration receptor, and the signal receiving device by respectively connecting is real-time
Monitoring；
Anti-rejection limited part is disposed in proximity to the position of indentation, the whipping for restriction conduit rupture end；And
Pressurizing device, by for pressure pipeline connection ring shape pipe network, for providing pressure, pressure supply for the medium in loop network
Electronic pressure gauge is installed on pipeline；
Wherein, loop network and for pressure pipeline be equipped with bracket；
3) pressure medium is conveyed by pressurizing device to pressurize to nuclear power plant's high energy pipeline breaking whipping simulation system；
4) record and analyze simulation test procedure annular tube net pressure change, for loop network pressure before and after broken pipe into
Row analysis；
5) deformation for recording and analyzing anti-rejection limited part in simulation test procedure, for verifying setting for anti-rejection limited part
Meter；
6) deformation that the pipeline of whipping occurs in simulation test procedure is recorded and analyzed.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping analogy method of the present invention, the loop network is close to quarter
Trace two sides are equipped at least one foil gauge for being used to measure pipeline deformation, and the signal receiving device connected by foil gauge is to pipe
Road deformation carries out real-time monitoring.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping analogy method of the present invention, the loop network is close to quarter
The pipeline that whipping occurs for trace is equipped with velocity receptor and acceleration receptor for measuring pipeline whipping speed, and passes through speed
The signal receiving device that degree receptor is connected with acceleration receptor carries out real-time monitoring to pipeline whipping velocity and acceleration.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping analogy method of the present invention, absolute altitude on the loop network
Highest point is equipped with exhaust outlet.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping analogy method of the present invention, the indentation is set according to test
Meter processing is on loop network, and size is according to the pressure medium in loop network by being calculated.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping analogy method of the present invention, the loop network is in indentation
Two sides are respectively provided with one or more electronic pressure gauges for being used for measure annular ductwork pressure.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping analogy method of the present invention, the entrance of the pressurizing device
It is respectively provided on pipeline and outlet line one or more for measuring the electronic pressure gauge of pressurizing device entrance and exit pressure.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping analogy method of the present invention, the electronic pressure gauge is used
Electronic remote reading.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping analogy method of the present invention, the pressurizing device is water pump
Or air compressor machine, the pressurizing device are equipped with long-range start-stop button.
It is described logical for pressure pipeline one end as a kind of improvement of nuclear power plant's high energy pipeline breaking whipping analogy method of the present invention
It crosses threeway and loop network is welded to connect, the other end is connected to the pressurizing device.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping analogy method of the present invention, the anti-rejection limited part is used
Structure with energy absorption device, is mounted on anchor structure, for the whipping at restriction conduit rupture end, protects the peace of peripheral system
Entirely, installation site is according to being calculated；Other different structures can also be used in anti-rejection limited part, for example, it is anti-rejection that H-type can be used
Limited part and U-shaped anti-rejection limited part, the effect that the anti-rejection limited part of different structure form plays is different, need to be tested by calculating
Card.
As a kind of improvement of nuclear power plant's high energy pipeline breaking whipping analogy method of the present invention, the loop network, which is equipped with, to be carved
The pipeline of trace passes through one or more fixed bracket positioning, pipeline, the pressurizing device of the not set indentation of loop network
Outlet end for also being provided with one or more brackets on pressure pipeline.
Compared with the existing technology, nuclear power plant's high energy pipeline breaking whipping simulation system and method for the present invention have following technology
Effect: 1) present invention cannot be only used for simulation pipe-line fracture test, the anti-rejection limited part performance test of high energy pipeline and anti-rejection limitation
Part position test, it can also be used to the model of relevant simulation calculation；2) can real simulation high energy pipeline breaking when every effect,
The variation of manifold pressure including but not limited to after high energy pipeline breaking, the position of the whipping effect at pipeline breaking end, plastic hinge
And change in location, pipeline breaking end self-deformation, the response condition etc. of anti-rejection limited part.
Detailed description of the invention
With reference to the accompanying drawings and detailed description, to nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention and side
Method is described in detail.
Fig. 1 is the schematic diagram of nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention.
Specific embodiment
In order to be more clear goal of the invention of the invention, technical solution and its advantageous effects, below in conjunction with attached drawing
And specific embodiment, the present invention will be described in further detail.It should be understood that specific reality described in this specification
Mode is applied just for the sake of explaining the present invention, is not intended to limit the present invention.
Refering to Figure 1, nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention includes:
Loop network 10, loop network 10 are equipped with the indentation 40 for conduit rupture；
Anti-rejection limited part 50, is disposed in proximity to the position of indentation 40 on loop network 10, for restriction conduit rupture end
Whipping；And
Pressurizing device 30, by connecting loop network 10 for pressure pipeline 20, for being provided for the medium in loop network 10
Pressure.
Loop network 10 circularizes circuit by calculating verification setting, and the pipeline on loop network 10 uses identical design
The parameters such as standard, caliber and pressure-resistant degree are identical.
Loop network 10 connects the bracket 72 for being respectively equipped with one for fixed -piping in threeway two sides on the pipeline of threeway,
73, fixed bracket 75 is installed, on the two other pipeline of loop network 10 on the pipeline equipped with indentation 40 opposite with threeway
One bracket 74,76 is also respectively housed.By the way that bracket is arranged, loop network 10 is fixed on certain position, can prevent ring pipe
Net 10 is mobile.The setting of bracket need to be verified by calculating, and be adjusted accordingly according to calculating, it is ensured that be got rid of after loop network rupture
Hit the position of setting.Absolute altitude highest point is additionally provided with exhaust outlet (not shown) on loop network 10.
Indentation 40 is worked on loop network 10 by calculating, and makes loop network 10 in pressure process where indentation 40
Circumferential fracture occurs for pipeline location, ruptures for conduit.Indentation 40 is processed on pipeline will form weak location, indentation 40
The compressive resistance of position can reduce, and relative to entire loop network 10, the pipeline of 40 position of indentation can be due to pipeline internal pressure
The lasting increase of power ruptures at first.
The size of indentation 40 is calculated according to pipe network pressure medium, effect is preferably simulated in order to obtain, in indentation
At least one electronic pressure gauge 46 and 48 is respectively installed in 40 two sides, for showing that 40 place pipeline of indentation is carrying out simulation burst test
When pressure changing, electronic pressure gauge 46 and 48 using electronic remote reading is recorded.
40 place pipeline location two sides of indentation are pasted at least two foil gauges 60 and 61, when pipeline adds in pressurizing device 30
When deformation occurs, foil gauge 60 and 61 deforms together with pipeline for pressure, and the resistance value of foil gauge 60 and 61 will occur corresponding
Variation, and it is converted to corresponding signal.The signal receiving device (not shown) for passing the signal along to connection, can observe pipeline in real time
Deformation, and by received signal carry out theoretical calculation then it can be concluded that strain or the stress of 40 position of indentation
Value.
It is pasted with velocity receptor 62 and acceleration receptor 64 on the pipeline of the generation whipping of 40 position of indentation, is used
In whipping velocity and acceleration of the monitoring pipeline after the rupture of 40 position of indentation, and for monitoring pipeline whipping to anti-rejection limited part
Velocity and acceleration situation of change after 50 is transmitted to the signal receiving device (not shown) of connection, by signal so as to real-time
Whipping velocity and acceleration of pipeline during entire whipping is observed, and pipeline whipping mistake is calculated by signal intensity situation
Velocity and acceleration situation of change in journey.
Anti-rejection limited part 50 is located at the position of the indentation 40 on loop network 10, is fixed on anchor structure 52.
In the shown embodiment, anti-rejection limited part 50 is using the structure for having energy absorption device, for the risk of Control experiment.When pipeline exists
After rupturing at indentation 40, on pipeline whipping to anti-rejection limited part 50, anti-rejection limited part 50 can effectively absorb pipeline breaking
The energy of whipping prevents destruction of the pipeline breaking whipping to ambient enviroment.The installation site of anti-rejection limited part 50 is tested by calculating
Card, after pipeline ruptures, pipeline is only understood on whipping to anti-rejection limited part 50, will not whipping to other positions.Anti-rejection limitation
Other different structures can also be used in part 50, such as the anti-rejection limited part of H-type and U-shaped anti-rejection limited part, the energy-absorbing of different structure form
The effect that device plays is different, need to be verified by calculating.
Loop network 10 is connected with by three-way welding for pressure pipeline 20, for being also equipped with bracket 71 on pressure pipeline 20,
Purpose is to fix for pressure pipeline 20, prevents its movement, and then prevents the movement that loop network 10 is drawn for pressure pipeline 20.
Pressurizing device 30 (such as force (forcing) pump) be mounted on connect with loop network 10 on pressure pipeline 20, for being ring pipe
Net 10 provides the pressure condition of simulation high energy pipeline breaking.In the shown embodiment, preferably water pump is as force (forcing) pump, accordingly
Ground is using water as pressurising medium.In other embodiments of the invention, gas can also be selected as pressure medium, at this time plus
Press pump 30 is air compressor machine.
At least one electronic pressure gauge 42 and 44 is respectively installed on 30 entrance and exit pipeline of force (forcing) pump, and uses electronic remote
Journey reading is recorded.When force (forcing) pump 30 is run, electronic pressure gauge 42 and 44 can be used to measure 30 entrance and exit of force (forcing) pump
Pressure on pipeline.The power and lift of force (forcing) pump 30 meet the requirement of design, and are provided with long-range start-stop button, by long-range
Control the unlatching and stoppage in transit to realize force (forcing) pump 30, it is ensured that the safety of operation.
Below continuing with shown in Fig. 1, the present invention is described in detail nuclear power plant high energy pipeline breaking whipping simulates dress method,
The following steps are included:
1) analog parameter is determined: including pressure, caliber and wall thickness, pressurizing device lift, anti-rejection limitation piece structure, various instrument
The range of table；
2) nuclear power plant's high energy pipeline breaking whipping simulation system is provided comprising:
Loop network 10, is equipped with electronic pressure gauge 46 on loop network 10, and 48, and be equipped with for conduit rupture
Indentation 40,40 place pipeline of indentation are equipped with foil gauge 60,61, velocity receptor 62 and acceleration receptor 64, and by respective
The signal receiving device real-time monitoring of connection；
Anti-rejection limited part 50, is disposed in proximity to the position of indentation 40, the whipping for restriction conduit rupture end；And
Pressurizing device 30, by connecting loop network 10 for pressure pipeline 20, for being provided for the medium in loop network 10
Pressure, for installing electronic pressure gauge 42,44 on pressure pipeline；
Wherein, loop network 10 and for pressure pipeline 20 be equipped with bracket 71,72,73,74,75；
3) pressure medium is conveyed by pressurizing device 30 to pressurize to nuclear power plant's high energy pipeline breaking whipping simulation system；
4) pressure change for recording and analyzing simulation test procedure annular tube net 10, for loop network 10 before and after broken pipe
Pressure analyzed；
5) deformation for recording and analyzing anti-rejection limited part 50 in simulation test procedure, for verifying anti-rejection limited part 50
Design；
6) deformation that the pipeline of whipping occurs in simulation test procedure is recorded and analyzed.
Specifically, install nuclear power plant's high energy pipeline breaking whipping simulation system as required, simulation system to be checked all
After normal, water pump 30 is opened by remote start system, medium water is by entering loop network 10, loop network for pressure pipeline 20
Pressure in 10 can be gradually increased with the addition of medium water, after loop network 10 is full of water, pass through 30 persistent pressure of water pump
Preset pressure (preset pressure is by being calculated) when rupturing to indentation 40, keeps pressure to pipeline in 40 position of indentation
Until fracture, after pipeline break, by remotely stopping transport, button stops water pump 30.
During carrying out simulation test, loop network 10 is observed and recorded and for electronic pressure gage on pressure pipeline 20
42,44,46,48 pressure changing is analyzed for the pressure to pipe network rupture front and back.
The situation of change for recording the deformation signal of foil gauge 60 and 61 monitors pipe according to the signal that foil gauge 60 and 61 generates
The deformation in road, analysis conduit rupture front and back stress value.
It is recorded after pipeline breaking by velocity receptor 62 and acceleration receptor 64 and pipeline whipping is to anti-rejection limitation
Velocity and acceleration situation of change after part 50, and the whipping velocity and acceleration by calculating confirmation pipeline.
It after the whipping of pipeline breaking end, beats on anti-rejection limited part 50, anti-rejection limited part 50 is plastically deformed, and pipeline is got rid of
The energy absorption hit is fallen, and pipeline whipping is because the effect of anti-rejection limited part 50 is finally stopped.Record the rupture of loop network 10 front and back
The deformation of anti-rejection limited part 50 can be used for verifying the design of anti-rejection limited part 50, and can be by simulation test to anti-rejection limit
Product 50 improves.
Record and analyze pipeline whipping front and rear pipes deformation, judge plastic hinge position and whipping occur after plastic hinge
The variation of position.
It should be further noted that nuclear power plant's high energy pipeline breaking whipping simulation system of the present invention cannot be only used for pipeline
The simulation test of rupture can also be applied to the simulation study of pipeline breaking whipping.
In conjunction with can be seen that compared with the existing technology to the detailed description of embodiment of the present invention above, nuclear power of the present invention
Factory's high energy pipeline breaking whipping simulation system and method have following technical effect that 1) it is broken to cannot be only used for simulation pipeline by the present invention
Split test, the anti-rejection limited part performance test of high energy pipeline and anti-rejection limited part position test, it can also be used to relevant simulation calculation
Model；2) can real simulation high energy pipeline breaking when every effect, including but not limited to after high energy pipeline breaking in pipeline
The variation of pressure, the whipping effect at pipeline breaking end, the position of plastic hinge and change in location, pipeline breaking end self-deformation are prevented
Get rid of the response condition etc. of limited part.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out change and modification appropriate.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In use some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (22)
1. a kind of nuclear power plant's high energy pipeline breaking whipping simulation system characterized by comprising
Loop network, loop network are equipped with the indentation for conduit rupture；
Anti-rejection limited part is disposed in proximity to the position of indentation, the whipping for restriction conduit rupture end；And
Pressurizing device, by for pressure pipeline connection ring shape pipe network, for providing pressure for the medium in loop network；The annular
Pipe network is equipped with velocity receptor and acceleration impression for measuring pipeline whipping speed close to the pipeline that whipping occurs for indentation
Device, and pipeline whipping velocity and acceleration is carried out by the signal receiving device that velocity receptor is connected with acceleration receptor
Real-time monitoring.
2. nuclear power plant's high energy pipeline breaking whipping simulation system according to claim 1, which is characterized in that the ring pipe
Net is equipped at least one foil gauge for being used to measure pipeline deformation close to indentation two sides, and is received by the signal that foil gauge connects
Device carries out real-time monitoring to pipe deforming.
3. nuclear power plant's high energy pipeline breaking whipping simulation system according to claim 1, which is characterized in that the ring pipe
Online absolute altitude highest point is equipped with exhaust outlet.
4. nuclear power plant's high energy pipeline breaking whipping simulation system according to claim 1, which is characterized in that the indentation root
According to experimental design processing on loop network, size is according to the pressure medium in loop network by being calculated.
5. nuclear power plant's high energy pipeline breaking whipping simulation system according to claim 1, which is characterized in that the ring pipe
Net is respectively provided with one or more electronic pressure gauges for being used for measure annular ductwork pressure in indentation two sides.
6. nuclear power plant's high energy pipeline breaking whipping simulation system according to claim 1, which is characterized in that the pressurization dress
It is respectively provided on the suction line and outlet line set one or more for measuring the electronics of pressurizing device entrance and exit pressure
Pressure gauge.
7. nuclear power plant's high energy pipeline breaking whipping simulation system according to claim 5 or 6, which is characterized in that the electricity
Sub- pressure gauge is read using electronic remote.
8. nuclear power plant's high energy pipeline breaking whipping simulation system according to claim 1, which is characterized in that the pressurization dress
It is set to water pump or air compressor machine, the pressurizing device is equipped with long-range start-stop button.
9. nuclear power plant's high energy pipeline breaking whipping simulation system according to claim 1, which is characterized in that described for pressure pipe
Line one end is welded to connect by threeway and loop network, and the other end is connected to the pressurizing device.
10. nuclear power plant's high energy pipeline breaking whipping simulation system according to claim 1, which is characterized in that described anti-rejection
Limited part uses the structure with energy absorption device, is mounted on anchor structure.
11. nuclear power plant's high energy pipeline breaking whipping simulation system according to claim 1, which is characterized in that the annular
Pipe network sets impressed pipeline and passes through one or more fixed bracket positioning, the pipeline of the not set indentation of loop network, institute
State pressurizing device outlet end for also being provided with one or more brackets on pressure pipeline.
12. a kind of nuclear power plant's high energy pipeline breaking whipping analogy method, which comprises the following steps:
1) analog parameter is determined: including pressure, caliber and wall thickness, pressurizing device lift, anti-rejection limitation piece structure, various instrument
Range；
2) nuclear power plant's high energy pipeline breaking whipping simulation system is provided comprising:
Loop network is equipped with electronic pressure gauge on loop network and is equipped with the indentation for conduit rupture, where indentation
Pipeline is equipped with foil gauge, velocity receptor and acceleration receptor, and the signal receiving device real-time monitoring by respectively connecting；
Anti-rejection limited part is disposed in proximity to the position of indentation, the whipping for restriction conduit rupture end；And pressurizing device, lead to
It crosses for pressure pipeline connection ring shape pipe network, for providing pressure for the medium in loop network, for installing electron pressure on pressure pipeline
Meter；
Wherein, loop network and for pressure pipeline be equipped with bracket；The loop network is equipped with close to the pipeline that whipping occurs for indentation
For measuring the velocity receptor and acceleration receptor of pipeline whipping speed, and pass through velocity receptor and acceleration receptor
The signal receiving device of connection carries out real-time monitoring to pipeline whipping velocity and acceleration；
3) pressure medium is conveyed by pressurizing device to pressurize to nuclear power plant's high energy pipeline breaking whipping simulation system；
4) simulation test procedure annular tube net pressure change is recorded and analyzed, for dividing loop network pressure before and after broken pipe
Analysis；
5) deformation for recording and analyzing anti-rejection limited part in simulation test procedure, for verifying the design of anti-rejection limited part；
6) deformation that the pipeline of whipping occurs in simulation test procedure is recorded and analyzed.
13. nuclear power plant's high energy pipeline breaking whipping analogy method according to claim 12, which is characterized in that the annular
Pipe network is equipped at least one foil gauge for being used to measure pipeline deformation close to indentation two sides, and is connect by the signal that foil gauge connects
Receiving apparatus carries out real-time monitoring to pipe deforming.
14. nuclear power plant's high energy pipeline breaking whipping analogy method according to claim 12, which is characterized in that the annular
Absolute altitude highest point is equipped with exhaust outlet on pipe network.
15. nuclear power plant's high energy pipeline breaking whipping analogy method according to claim 12, which is characterized in that the indentation
According to experimental design processing on loop network, size is according to the pressure medium in loop network by being calculated.
16. nuclear power plant's high energy pipeline breaking whipping analogy method according to claim 12, which is characterized in that the annular
Pipe network is respectively provided with one or more electronic pressure gauges for being used for measure annular ductwork pressure in indentation two sides.
17. nuclear power plant's high energy pipeline breaking whipping analogy method according to claim 12, which is characterized in that the pressurization
It is respectively provided on the suction line and outlet line of device one or more for measuring the electricity of pressurizing device entrance and exit pressure
Sub- pressure gauge.
18. nuclear power plant's high energy pipeline breaking whipping analogy method according to claim 16 or 17, which is characterized in that described
Electronic pressure gauge is read using electronic remote.
19. nuclear power plant's high energy pipeline breaking whipping analogy method according to claim 12, which is characterized in that the pressurization
Device is water pump or air compressor machine, and the pressurizing device is equipped with long-range start-stop button.
20. nuclear power plant's high energy pipeline breaking whipping analogy method according to claim 12, which is characterized in that the pressure supply
Pipeline one end is welded to connect by threeway and loop network, and the other end is connected to the pressurizing device.
21. nuclear power plant's high energy pipeline breaking whipping analogy method according to claim 12, which is characterized in that described anti-rejection
Limited part uses the structure with energy absorption device, is mounted on anchor structure.
22. nuclear power plant's high energy pipeline breaking whipping analogy method according to claim 12, which is characterized in that the annular
Pipe network sets impressed pipeline and passes through one or more fixed bracket positioning, the pipeline of the not set indentation of loop network, institute
State pressurizing device outlet end for also being provided with one or more brackets on pressure pipeline.
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| CN109524136B (en) * | 2018-11-22 | 2022-05-20 | 西南石油大学 | Device and method for testing high-energy tube fracture whipping behavior |
| CN109724763B (en) * | 2018-12-29 | 2021-01-05 | 上海核工程研究设计院有限公司 | Reference setting method for testing flattened type whip-proof part and implementation device thereof |
| CN112697375B (en) * | 2020-12-03 | 2022-04-15 | 武汉大学 | Flexible pressure pipeline whipping motion generating device |
| CN112432840B (en) * | 2020-12-03 | 2021-12-17 | 武汉大学 | High-pressure flexible bending pipeline whipping motion experiment method |
| CN113092085B (en) * | 2021-03-04 | 2022-03-25 | 山东科技大学 | Measurement test device for transient whipping behavior of pressurizing pipeline |
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