CN108507890A - A kind of pressure vessel and piping corrosion fatigue testing system and test method - Google Patents
A kind of pressure vessel and piping corrosion fatigue testing system and test method Download PDFInfo
- Publication number
- CN108507890A CN108507890A CN201810234170.4A CN201810234170A CN108507890A CN 108507890 A CN108507890 A CN 108507890A CN 201810234170 A CN201810234170 A CN 201810234170A CN 108507890 A CN108507890 A CN 108507890A
- Authority
- CN
- China
- Prior art keywords
- pressure
- fatigue
- pipeline
- module
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
-
- 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
- G01N3/02—Details
-
- 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
- G01N2203/0005—Repeated or cyclic
-
- 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
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
-
- 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
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
- G01N2203/0242—With circulation of a fluid
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of pressure vessel and piping corrosion fatigue testing system and test methods, including pressure fatigue module, pressure conduction module, control module, the pressure conduction module includes accumulator, the accumulator includes driven chamber, the driven chamber one side is diaphragm, the driven chamber is connect by upper pipeline with container to be measured or pipeline, the system also includes the corrosion liquid pipelines that corrosive liquid passes in and out driven chamber, the pressure fatigue module makes diaphragm deflection so that corrosive liquid moves back and forth between driven chamber and tested pressure vessel or pipeline by pressure, the control module is connect with the controlled end of pressure fatigue module.The advantages of invention, is：It can carry out that etchant solution is used to fill up industry blank by diaphragm test pressure container or the fatigue behaviour of the structural member of pipeline as test(ing) medium.
Description
Technical field
The present invention relates to the experiment field of corrosion fatigue, especially a kind of pressure vessel and piping corrosion fatigue testing system
And test method.
Background technology
With the development of industry, the application of the bearing devices such as pressure vessel/pipeline is all the more extensive, and interior media type is more
Add various, is corrosive for some interior medias and equipment bears pressure vessel/pipeline of tired alternating load working condition
Equipment, since once occurring leaking or rupturing that serious consequence will be caused, design, manufacture are compared with requirement generally to be held
Device is more harsh.Currently, the corrosion of pressure vessel/pipeline material is all based in national and foreign standards for the requirement of corrosion test
Experiment, there has been no corrosion test (especially corrosion fatigue test) requirements for structural members such as pressure vessel/pipelines, and some
The fatigue test for structural member involved in standard is also to be distinctly claimed that non-corrosive liquid is used to be tried as pressure medium
It tests.Material corrosion experiment can not reflect pressure vessel/state of the pipeline configuration part under working condition completely, especially hold
Under working condition by tired alternating load, the influence of corrosion and tired two kinds of interaction factors to structural member is difficult to only by material
Material analysis of experiments obtains.Therefore, it designs and develops pressure vessel and piping corrosion fatigue testing system and method carrys out test pressure appearance
Corrosion Fatigue Properties of the device/pipeline under corrosive medium and tired alternating load double factor reciprocation seem particularly necessary.
Invention content
In order to overcome the above-mentioned prior art, for this purpose, the present invention provides a kind of pressure vessel and piping corrosion fatigue test system
System and test method.
To achieve the above object, the present invention uses following technical scheme：
A kind of pressure vessel and piping corrosion fatigue testing system, including pressure fatigue module, pressure conduction module, control
Module, the pressure conduction module includes accumulator, and the accumulator includes driven chamber, and the driven chamber one side is diaphragm,
The driven chamber is connect by upper pipeline with container to be measured or pipeline, and the system also includes the corruption that corrosive liquid passes in and out driven chamber
Liquid pipeline is lost, the pressure fatigue module makes diaphragm deflection so that corrosive liquid is in driven chamber and tested pressure by pressure
It is moved back and forth between container or pipeline, the control module is connect with the controlled end of pressure fatigue module.
Optimization, the accumulator further includes active chamber, and the active chamber and driven chamber are isolated by the diaphragm, the master
Dynamic chamber is connect by lower pipeline with pressure fatigue module, and the pressure fatigue module flows medium to active intracavitary input and output.
Optimization, the pressure fatigue module includes to active intracavitary inputting the first branch of flow media and from active chamber
One end of the second branch of output flow media, the first branch and the second branch is connect by solenoid valve with lower pipeline, institute
The controlled end for stating solenoid valve is connect with control module.
Optimization, the pressure fatigue module is Hydraulic fatigue module, and the Hydraulic fatigue module includes hydraulic oil container, sets
The check valve set hydraulic pump on the first leg and be arranged between solenoid valve and hydraulic pump；The other end of the second branch
It is arranged on hydraulic oil container, filter is additionally provided in the first branch between hydraulic oil container and hydraulic pump.
Optimization, the hydraulic pressure sensor being connect with control module is provided on the lower pipeline；The upper pipeline
On be provided with diaphragm pressure sensor.
Optimization, the lower pipeline is additionally provided with the thermometer being connect with controller module, is arranged in the hydraulic oil container
There is the heat exchanger being connect with controller.
Optimization, the pressure conduction module includes the displacement pipe of upper shut-off valve, lower shut-off valve, displacement active intracavity gas
Road, the diaphragm are rubber material, and the corrosion liquid pipeline is arranged on the accumulator at driven chamber, the upper shut-off valve setting
On corrosion liquid pipeline, on the accumulator at active chamber, the lower shut-off valve is arranged in replacement piping the replacement piping.
Optimization, the pressure fatigue module includes that the push rod of diaphragm deflection and controlled end is pushed to be connect with control module
The motor of driving push rod movement.
Optimization, the front end of the push rod is chondritic.
A kind of test method using above-mentioned pressure vessel and piping corrosion fatigue testing system includes the following steps：
S1, testing container is calculated according to the parameter of the structure of testing container or pipeline, fatigue test pressure, corrosion liquid medium
Or Volume variation value V of the pipeline after corrosion fatigue test；
S2, the volume V ' for determining accumulator；
S3, connection whole system, into corrosion liquid pipeline, injection corrosive liquid is up to solution is full of closed driven after driven chamber
Chamber；
S4, pressure, frequency and cycle-index, the fatigue test pressures cycle number that fatigue test is set in control module
With alarm temperature parameter；
S5, control module control pressure fatigue module, the volume periodically-varied of driven chamber is made according to the parameter of setting,
Until reaching the cycle-index of control module setting；
S6, driven chamber is opened, the corrosive liquid of driven intracavitary is discharged clean.
The advantage of the invention is that：
(1) present invention is by the diaphragm applied force on driven chamber, making diaphragm deflection so that corrosive liquid is in driven chamber
It is moved back and forth between tested pressure vessel or pipeline, corrosion test and fatigue test are carried out at the same time, this pilot system passes through
Driven chamber, upper pipeline, between container or pipeline to be measured for injection corrosive liquid closing chamber, such pressure fatigue module is not by corruption
The limitation for losing medium factor, can save a large amount of cost, and when use can be to avoid equipment and etchant solution physical contact between media
And corrosion damage is generated, substantially reduce equipment loss.It can carry out using etchant solution as test(ing) medium, be tested and pressed by diaphragm
The fatigue behaviour of the structural member of force container or pipeline, has filled up industry blank.
(2) accumulator is divided into two relatively independent cavitys of active chamber and driven chamber by diaphragm, and pressure fatigue module is logical
The pressure conduction for crossing flow media makes diaphragm uniform force.
(3) first branch of input flow media and the second branch of output flow media are provided separately, and are passed in and out so not
It is interfered.
(4) Hydraulic fatigue module realizes cycle, prevents pollutant from entering in hydraulic oil container, the setting of filter can carry
Height enters the purity of hydraulic pump and the hydraulic oil of active intracavitary so that the pressure that active intracavitary detects is also compared with stabilization.
(5) pressure sensor used on lower pipeline can measure the pressure of active intracavitary, due to being corrosion in upper pipeline
Property solution, so the service life of pressure sensor can be extended using diaphragm pressure sensor.
(6) thermometer is arranged in the present invention on lower pipeline, and heat exchanger is arranged in hydraulic oil container, can prevent hydraulic pressure
Oil generates heat during hydraulic pressure and is impacted to experiment.
(7) setting of shut-off valve ensures that driven chamber, upper pipeline, tested pressure vessel or pipeline are during the test on
The air of active intracavitary directly can be disposably replaced as hydraulic pressure by the setting of closed cavity, lower shut-off valve and replacement piping
Oil, therefore the debug time before experiment can be reduced, improve the stability of fatigue test process.
(8) make diaphragm deflection using the mode of push rod, which is simple, and motor is easy to control.
(9) front end of push rod is spherical, in this way can it is flexible with membrane contacts to protect diaphragm.
(10) method in the present invention sets cycle-index to do fatigue test, by driven chamber using control module
Interior and inject corrosive liquid into container or pipeline to be measured and do corrosion test, this method is simple and practical.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of pressure vessel and piping corrosion fatigue testing system embodiment 1 of the invention.
Fig. 2 is the structural schematic diagram of pressure conduction module in embodiment 1.
Fig. 3 is a kind of structural schematic diagram of pressure vessel and piping corrosion fatigue testing system embodiment 5 of the invention.
The meaning of label symbol is as follows in figure：
1- hydraulic oil container 2- filter 3- hydraulic pump 4- check valves
5- three position four-way electromagnetic valve 61- first branch 62- the second branches
7- control circuit 8- thermometers
9- hydraulic pressure sensor 10- controller 11- diaphragm pressure sensors
12- testing containers or pipeline 13- accumulators
14- corrodes liquid pipeline 15- replacement piping 16- upper pipeline 17- lower pipelines
Shut-off valve 20- motor 21- push rods under the upper shut-off valve 19- of 18-
131- lower pipeline interface 132- active chamber 133- diaphragms
The driven chamber 135- upper pipeline interfaces of 134-
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment 1
As shown in Figs. 1-2, a kind of pressure vessel and piping corrosion fatigue testing system, including pressure fatigue module, pressure
Conduct module, control module.As shown in Fig. 2, pressure conduction module includes accumulator 13, upper shut-off valve 18, lower shut-off valve 19, sets
The corrosion liquid pipeline 14 that the replacement piping 15 of gas, corrosive liquid in chamber 132 pass in and out driven chamber 134 is moved in change owner.Accumulator 13 is one
Corrosion resistant metal cavity is provided with diaphragm 133 in the middle section of cavity, and metal cavity is separated into volume phase by diaphragm 133
Deng active chamber 132 and driven chamber 134.Its septation 133 is the rubber material of corrosion-resistant easy dielectric corrosion.Driven chamber 134
It is connect with container to be measured or pipeline by upper pipeline 16, active chamber 132 is connect by lower pipeline 17 with pressure fatigue module, pressure
Medium is flowed in the input and output into active chamber 132 of power fatigue module.The accumulator at driven chamber 134 is arranged in corrosion liquid pipeline 14
On 13.The setting of upper shut-off valve 18 is on corrosion liquid pipeline 14, and replacement piping 15 is on the accumulator 13 at active chamber 132, lower section
Only valve 19 is arranged in replacement piping 15.
Pressure fatigue module includes that the first branch 61 of flow media and defeated from active chamber 132 is inputted into active chamber 132
Going out the second branch 62 of flow media, one end of the first branch 61 and the second branch 62 is connect by solenoid valve with lower pipeline 17,
The controlled end of solenoid valve is connect with control module.Wherein solenoid valve is the solenoid valve with commutation regulatory function.In the embodiment
In be the three position four-way electromagnetic valve 5 with commutation function.
Specifically, as shown in Figure 1, pressure fatigue module is Hydraulic fatigue module, Hydraulic fatigue module includes hydraulic oil
Case 1, the hydraulic pump 3 being arranged in the first branch 61 and the check valve being arranged between solenoid valve and hydraulic pump 34；The second branch
62 other end is arranged on hydraulic oil container 1, is additionally provided in the first branch 61 between hydraulic oil container 1 and hydraulic pump 3
Filter 2.The hydraulic pressure sensor 9 being connect with control module and thermometer 8 are provided on lower pipeline 17；On upper pipeline 16
It is provided with diaphragm pressure sensor 11, the heat exchanger (not shown) being connect with controller 10 is provided in hydraulic oil container 1.
Wherein the first branch 61, the second branch 62, upper pipeline 16 are fluid pressure line.Flow media is common 68# air compressor oils.
Wherein control module includes controller 10 and control circuit 7, the 3 groups of replacements of hydraulic pump of hydraulic pump 3.
Accumulator 13 is provided with lower pipeline interface 131, accumulator 13 and 16 junction of upper pipeline with 17 junction of lower pipeline
Be provided with pipe interface so that it is convenient to pressure conduction module, pressure fatigue module and pressure vessel to be tested or pipeline it
Between dismantle.
Embodiment 2
A kind of test method using pressure vessel and piping corrosion fatigue testing system in embodiment 1, including following step
Suddenly：
S1, appearance to be measured is calculated according to the parameter of the structure of testing container or pipeline 12, fatigue test pressure, corrosion liquid medium
The Volume variation value V of device or pipeline 12 after corrosion fatigue test；
The volume V ' of S2, the volume V ' for determining accumulator 13, accumulator 13 are 4V~6V, in this embodiment accumulator 13
Volume V ' be 4V, its inner space is divided into two cavitys of size equalization by diaphragm of rubber 133 by accumulator 13, that is, leads
Dynamic chamber 132 and driven chamber 134；
S3, pressure conduction module is connect by lower pipeline interface 131 with Hydraulic fatigue module, by testing container or pipeline
12 are connect by upper pipeline 16 with upper pipeline interface 135, the controller 10 in control module respectively with hydraulic pump 3, three-dimensional four-way
Solenoid valve, thermometer 8, hydraulic pressure sensor 9, diaphragm pressure sensor 11 are connected by control circuit 7.It is cut in opening
Corrosive liquid is injected until solution, which is full of after driven chamber 134, closes above shut-off valve 18, under opening in only valve 18 to corroding in liquid pipeline 14
Shut-off valve 19 injects hydraulic oil until hydraulic oil is full of shut-off valve 19 under being closed after active chamber 132 into replacement piping 15.
S4, pressure, frequency and cycle-index, the fatigue test pressures cycle number that fatigue test is set on controller 10
With alarm temperature parameter.
S5, control module control pressure fatigue module, make the volume of driven chamber 134 periodically change according to the parameter of setting
Become, until reaching the cycle-index of control module setting, in detail, 3 groups of hydraulic pump is opened, to the active chamber 132 of accumulator 13
Hydraulic fatigue test is carried out, active chamber 132 undergoes fatigue test using hydraulic oil as test(ing) medium, and the pressure of active chamber 132 is logical
It crosses diaphragm 133 and is conducted to driven chamber 134, and then testing container/pipeline is transmitted to by upper pipeline 16.
S6, after the test, shut-off valve 18 in opening discharge the corrosive liquid in driven chamber 134 clean.
It, then can be before experiment if necessary to use other etchant solutions to carry out fatigue test as medium, it is only necessary to replace pressure
Power conduction module can be tested next time, while etchant solution is injected driven chamber 134, and step carries out as stated above
Corrosion fatigue test.
Embodiment 3
Difference from Example 2 is that in step s 2, the volume V ' of accumulator 13 is 5V in this embodiment.
Embodiment 4
Difference from Example 2 is that in step s 2, the volume V ' of accumulator 13 is 6V in this embodiment.
Embodiment 5
As shown in figure 3, a kind of pressure vessel and piping corrosion fatigue testing system, including pressure fatigue module, pressure pass
Guide module, control module, the pressure conduction module include accumulator 13, and the accumulator 13 is driven chamber 134, described driven
134 one side of chamber is diaphragm 133, and the driven chamber 134 is connect by upper pipeline 16 with container to be measured or pipeline, the system
Further include the corrosion liquid pipeline 14 that corrosive liquid passes in and out driven chamber 134, the pressure fatigue module makes diaphragm 133 deform by pressure
So that corrosive liquid moves back and forth between driven chamber 134 and tested pressure vessel or pipeline, the control module and pressure
The controlled end of power fatigue module connects.
The pressure fatigue module includes the drive that the push rod 21 for pushing diaphragm 133 to deform and controlled end are connect with control module
The motor 20 that dynamic push rod 21 moves.The front end of the push rod 21 is chondritic.The diameter of chondritic is less than driven chamber 134
The minimum interior diameter of diaphragm 133 is slightly less than the minimum interior diameter of diaphragm 133 in this embodiment, in this way increase push rod 21 with every
The contact area of film 133.The section of 21 length direction of push rod can also be made similar to 133 shape of diaphragm.
Diaphragm pressure sensor 11 is provided on upper pipeline 16.The pressure conduction module include upper shut-off valve 18, under
The replacement piping 15 of gas, the diaphragm 133 are rubber material, the corrosion liquid pipeline in shut-off valve 19, displacement active chamber 132
On 14 accumulators 13 being arranged at driven chamber 134, the setting of upper shut-off valve 18 is on corrosion liquid pipeline 14, the displacement pipe
On accumulator 13 at active chamber 132, the lower shut-off valve 19 is arranged in replacement piping 15 on road 15.
Embodiment 6
A kind of test method using pressure vessel and piping corrosion fatigue testing system in embodiment 5, including following step
Suddenly：
S1, appearance to be measured is calculated according to the parameter of the structure of testing container or pipeline 12, fatigue test pressure, corrosion liquid medium
The Volume variation value V of device or pipeline 12 after corrosion fatigue test；
The volume V ' of S2, the volume V ' for determining accumulator 13, accumulator 13 are 2V~3V, in this embodiment accumulator 13
Volume V ' be 3V；
S3, installation Hydraulic fatigue module make push rod 21 move back and forth on the direction of diaphragm 133, by testing container
Or pipeline 12 is connect by upper pipeline 16 with upper pipeline interface 135, the controller 10 in control module passes through control with motor 20
Circuit 7 connects.Shut-off valve 18 in opening, the injection corrosive liquid into corrosion liquid pipeline 14 is until solution closes after being full of driven chamber 134
Close shut-off valve 18.
S4, pressure, frequency and cycle-index, the fatigue test pressures cycle number that fatigue test is set on controller 10
With alarm temperature parameter.
S5, control module control motor 20, the volume periodically-varied of driven chamber 134 are made according to the parameter of setting, directly
To the cycle-index for reaching control module setting, the pressure of push rod 21 is conducted to driven chamber 134 by diaphragm 133, and then passes through
Upper pipeline 16 is transmitted to testing container/pipeline.
S6, after the test, shut-off valve 18 in opening discharge the corrosive liquid in driven chamber 134 clean.
It, then can be before experiment if necessary to use other etchant solutions to carry out fatigue test as medium, it is only necessary to replace pressure
Power conduction module can be tested next time, while etchant solution is injected driven chamber 134, and step carries out as stated above
Corrosion fatigue test.
Embodiment 7
Difference from Example 6 is that in step s 2, the volume V ' of accumulator 13 is 2V in this embodiment.
Embodiment 8
Difference from Example 6 is that in step s 2, the volume V ' of accumulator 13 is 2.5V in this embodiment.
The preferred embodiment that these are only the invention is not intended to limit the invention creation, all in the present invention
All any modification, equivalent and improvement etc., should be included in the guarantor of the invention made by within the spirit and principle of creation
Within the scope of shield.
Claims (10)
1. a kind of pressure vessel and piping corrosion fatigue testing system, which is characterized in that including pressure fatigue module, pressure conduction
Module, control module, the pressure conduction module include accumulator (13), and the accumulator (13) includes driven chamber (134), institute
It is diaphragm (133) to state driven chamber (134) one side, and the driven chamber (134) passes through upper pipeline (16) and container or pipe to be measured
Road connects, and the system also includes the corrosion liquid pipeline (14) that corrosive liquid passes in and out driven chamber (134), the pressure fatigue module is logical
Diaphragm (133) is made to deform for excess pressure so that corrosive liquid comes between driven chamber (134) and tested pressure vessel or pipeline
Backhaul dynamic, the control module is connect with the controlled end of pressure fatigue module.
2. a kind of pressure vessel and piping corrosion fatigue testing system according to claim 1, which is characterized in that the storage
Energy device (13) further includes that active chamber (132), the active chamber (132) and driven chamber (134) are isolated by the diaphragm (133), institute
It states active chamber (132) to connect with pressure fatigue module by lower pipeline (17), the pressure fatigue module is into active chamber (132)
Medium is flowed in input and output.
3. a kind of pressure vessel and piping corrosion fatigue testing system according to claim 2, which is characterized in that the pressure
Power fatigue module includes inputting the first branch (61) of flow media into active chamber (132) and exporting from active chamber (132) to flow
One end of the second branch (62) of dynamic medium, the first branch (61) and the second branch (62) passes through solenoid valve and lower pipeline
(17) it connects, the controlled end of the solenoid valve is connect with control module.
4. a kind of pressure vessel and piping corrosion fatigue testing system according to claim 2, which is characterized in that the pressure
Power fatigue module is Hydraulic fatigue module, and the Hydraulic fatigue module includes hydraulic oil container (1), is arranged in the first branch (61)
Hydraulic pump (3) and check valve (4) between solenoid valve and hydraulic pump (3) is set；The other end of the second branch (62)
It is arranged on hydraulic oil container (1), is also set up in the first branch (61) between hydraulic oil container (1) and hydraulic pump (3)
There is filter (2).
5. a kind of pressure vessel and piping corrosion fatigue testing system according to claim 2, which is characterized in that under described
The hydraulic pressure sensor (9) being connect with control module is provided on pipeline (17)；Be provided on the upper pipeline (16) every
Diaphragm pressure transducer (11).
6. a kind of pressure vessel and piping corrosion fatigue testing system according to claim 3, which is characterized in that under described
Pipeline (17) is additionally provided with the thermometer (8) being connect with controller (10) module, is provided with and controls in the hydraulic oil container (1)
The heat exchanger of device (10) connection.
7. a kind of pressure vessel and piping corrosion fatigue testing system according to claim 1, which is characterized in that the pressure
Power conduction module includes the replacement piping (15) of upper shut-off valve (18), lower shut-off valve (19), displacement active chamber (132) interior gas,
The diaphragm (133) is rubber material, on the accumulator (13) that the corrosion liquid pipeline (14) is arranged at driven chamber (134),
Upper shut-off valve (18) setting is on corrosion liquid pipeline (14), accumulation of energy of the replacement piping (15) at active chamber (132)
On device (13), the lower shut-off valve (19) is arranged in replacement piping (15).
8. a kind of pressure vessel and piping corrosion fatigue testing system according to claim 1, which is characterized in that the pressure
Power fatigue module includes the driving push rod (21) that the push rod (21) for pushing diaphragm (133) to deform and controlled end are connect with control module
The motor (20) of movement.
9. a kind of pressure vessel and piping corrosion fatigue testing system according to claim 8, which is characterized in that described to push away
The front end of bar (21) is chondritic.
10. a kind of using such as the pressure vessel and piping corrosion fatigue test system in claim 1-9 any one claims
The test method of system, which is characterized in that include the following steps：
S1, testing container is calculated according to the parameter of the structure of testing container or pipeline (12), fatigue test pressure, corrosion liquid medium
Or Volume variation value V of the pipeline (12) after corrosion fatigue test；
S2, the volume V ' for determining accumulator (13)；
S3, connection whole system, into corrosion liquid pipeline (14), injection corrosive liquid is up to solution is full of closed after driven chamber (134)
Driven chamber (134)；
S4, pressure, frequency and cycle-index, fatigue test pressures cycle number and the report that fatigue test is set in control module
Alert temperature parameter；
S5, control module control pressure fatigue module, make the volume of driven chamber (134) periodically change according to the parameter of setting
Become, until reaching the cycle-index of control module setting；
S6, driven chamber (134) is opened, the corrosive liquid in driven chamber (134) is discharged clean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810234170.4A CN108507890B (en) | 2018-03-21 | 2018-03-21 | Pressure vessel and pipeline corrosion fatigue test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810234170.4A CN108507890B (en) | 2018-03-21 | 2018-03-21 | Pressure vessel and pipeline corrosion fatigue test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108507890A true CN108507890A (en) | 2018-09-07 |
| CN108507890B CN108507890B (en) | 2020-08-21 |
Family
ID=63377792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810234170.4A Active CN108507890B (en) | 2018-03-21 | 2018-03-21 | Pressure vessel and pipeline corrosion fatigue test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108507890B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411843A (en) * | 2019-08-02 | 2019-11-05 | 合肥通用机械研究院有限公司 | A kind of pressure vessel or pipe test by air-pressurizing system and test method |
| CN111425659A (en) * | 2020-03-25 | 2020-07-17 | 厚力德机器（杭州）有限公司 | All-through vacuum interface diaphragm valve fatigue test system |
| CN111881546A (en) * | 2020-06-12 | 2020-11-03 | 合肥通用机械研究院有限公司 | Pressure-bearing equipment test pressure calculation method based on differential pressure type fatigue test system |
| CN112403104A (en) * | 2020-11-25 | 2021-02-26 | 宁波市特种设备检验研究院 | Return oil filtering system for energy accumulator pulse fatigue testing equipment |
| CN112556925A (en) * | 2020-12-03 | 2021-03-26 | 西安近代化学研究所 | Performance testing device and method for pressure sensor for gunpowder vacuum stability test |
| CN114383933A (en) * | 2022-01-06 | 2022-04-22 | 西安交通大学 | High-temperature gas flow heat exchange safety pressure container |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56104234A (en) * | 1980-01-23 | 1981-08-19 | Mitsubishi Heavy Ind Ltd | Testing method for long life by corrosion fatigue |
| CN201561902U (en) * | 2009-10-15 | 2010-08-25 | 徐州天地重型机械制造有限公司 | Hydraulic hose performance test experiment table |
| CN201852773U (en) * | 2010-07-30 | 2011-06-01 | 中国科学院金属研究所 | Corrosion fatigue tester with high-temperature and high-pressure circulating water |
| CN102192859A (en) * | 2011-04-02 | 2011-09-21 | 常州大学 | Pressure container corrosion fatigue testing device with closed-loop control |
| CN104897351A (en) * | 2015-05-22 | 2015-09-09 | 合肥通用机械研究院 | Method and system for testing air tightness of welding diaphragm type energy storage pressure container |
-
2018
- 2018-03-21 CN CN201810234170.4A patent/CN108507890B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56104234A (en) * | 1980-01-23 | 1981-08-19 | Mitsubishi Heavy Ind Ltd | Testing method for long life by corrosion fatigue |
| CN201561902U (en) * | 2009-10-15 | 2010-08-25 | 徐州天地重型机械制造有限公司 | Hydraulic hose performance test experiment table |
| CN201852773U (en) * | 2010-07-30 | 2011-06-01 | 中国科学院金属研究所 | Corrosion fatigue tester with high-temperature and high-pressure circulating water |
| CN102192859A (en) * | 2011-04-02 | 2011-09-21 | 常州大学 | Pressure container corrosion fatigue testing device with closed-loop control |
| CN104897351A (en) * | 2015-05-22 | 2015-09-09 | 合肥通用机械研究院 | Method and system for testing air tightness of welding diaphragm type energy storage pressure container |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411843A (en) * | 2019-08-02 | 2019-11-05 | 合肥通用机械研究院有限公司 | A kind of pressure vessel or pipe test by air-pressurizing system and test method |
| CN111425659A (en) * | 2020-03-25 | 2020-07-17 | 厚力德机器（杭州）有限公司 | All-through vacuum interface diaphragm valve fatigue test system |
| CN111425659B (en) * | 2020-03-25 | 2021-11-23 | 艾迪机器(杭州)有限公司 | All-through vacuum interface diaphragm valve fatigue test system |
| CN111881546A (en) * | 2020-06-12 | 2020-11-03 | 合肥通用机械研究院有限公司 | Pressure-bearing equipment test pressure calculation method based on differential pressure type fatigue test system |
| CN111881546B (en) * | 2020-06-12 | 2023-11-10 | 合肥通用机械研究院有限公司 | Pressure-bearing equipment test pressure calculation method based on differential pressure type fatigue test system |
| CN112403104A (en) * | 2020-11-25 | 2021-02-26 | 宁波市特种设备检验研究院 | Return oil filtering system for energy accumulator pulse fatigue testing equipment |
| CN112403104B (en) * | 2020-11-25 | 2024-05-28 | 宁波市特种设备检验研究院 | Oil return filtering system for pulse fatigue testing equipment of energy accumulator |
| CN112556925A (en) * | 2020-12-03 | 2021-03-26 | 西安近代化学研究所 | Performance testing device and method for pressure sensor for gunpowder vacuum stability test |
| CN114383933A (en) * | 2022-01-06 | 2022-04-22 | 西安交通大学 | High-temperature gas flow heat exchange safety pressure container |
| CN114383933B (en) * | 2022-01-06 | 2023-06-13 | 西安交通大学 | High-temperature gas flowing heat exchange safety pressure vessel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108507890B (en) | 2020-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108507890A (en) | A kind of pressure vessel and piping corrosion fatigue testing system and test method | |
| CN105510140A (en) | Pressure bursting test system and method for low-temperature deep-cooling pressure vessels and pipelines | |
| CN102900859B (en) | Underwater hydraulic driven type flat plate gate valve | |
| CN201981574U (en) | Pressure stabilizing and water replenishing device for closed circulation water system | |
| CN205001532U (en) | High -pressure wafer valve that surges of preventing leaking | |
| CN105485038A (en) | Double-end surface mechanical seal monitoring device of fluid centrifugal pump | |
| CN208721346U (en) | Packer testing device and system | |
| CN104596596B (en) | A kind of positive displacement micro liquid flowmeter and its application method | |
| CN104122048A (en) | High-pressure gas tightness detection system | |
| CN104880368A (en) | Multifunctional pressure difference type method for testing compatibility of high-pressure hydrogen and materials | |
| CN203981365U (en) | A kind of high pressure air tightness detection system | |
| Ren et al. | Diagnosis method to identify diaphragm state of diaphragm compressors for hydrogen refueling stations based on dynamic oil pressure | |
| CN205780047U (en) | A kind of hydraulic cylinder sealing detection device | |
| CN104063624A (en) | Bolt-spacer-flange connecting and sealing safety evaluating system | |
| CN114857496A (en) | Delivery pump outlet pressure stabilization and compensation device | |
| CN109356575B (en) | Core multidirectional seepage coupling multi-monitoring bottom water coning device | |
| CN101886647B (en) | Servo water pressure control device | |
| CN210513586U (en) | Upstream pumping seal test system | |
| CN105697433A (en) | Supercharged pressure compensator and pressure monitoring method thereof | |
| CN212159140U (en) | Two oil sources of pushing away pressurization experimental apparatus | |
| CN102777431B (en) | Hydraulic pressure increasing device and method for increasing and measuring pressure by using hydraulic pressure increasing device | |
| CN201749375U (en) | Servo hydraulic pressure control device | |
| CN206021093U (en) | A kind of float-ball type low discharge flow switch | |
| CN207662613U (en) | Displaced type deep-sea movable component test device | |
| CN207945158U (en) | A kind of hydraulic cylinder detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |