CN204302086U - Supercritical water oxidation environmentally conscious materials fatigue property test device - Google Patents

Supercritical water oxidation environmentally conscious materials fatigue property test device Download PDF

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Publication number
CN204302086U
CN204302086U CN201420850165.3U CN201420850165U CN204302086U CN 204302086 U CN204302086 U CN 204302086U CN 201420850165 U CN201420850165 U CN 201420850165U CN 204302086 U CN204302086 U CN 204302086U
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reactor
kettle
boosting
actuator
supercritical water
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韩石磊
李鹏远
侯炳林
张腾
陈辉
孙振超
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Southwestern Institute of Physics
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Southwestern Institute of Physics
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Abstract

A kind of supercritical water oxidation environmentally conscious materials fatigue property test device.The deficiency of carrying out fatigue of materials performance test in supercritical water oxidation environment cannot be met to overcome existing electo hydraulic servocontrolled fatigue testing machine, test-bed base of the present utility model is installed with reactor, seals between the kettle of reactor and kettle cover and be fixedly connected with; Fixed station is fixedly mounted on the bottom in kettle, and the boosting-rod be positioned at above sample is fixedly connected with actuator lower end; Boosting-rod passes perpendicularly through kettle cover, and actuator passes perpendicularly through crossbeam, and actuator and boosting-rod can axially reciprocatings; Reactor is provided with the filling pipe be communicated with inside and outside still, and the top of reactor is provided with safety valve, pressure sensor, and reactor top is provided with air bleeding valve, is axially installed with electric heating tube, temperature detecting resistance in reactor.Its beneficial effect is reasonable in design, structural safety, operates steadily, accurately, provides supercritical water oxidation environment by high-temperature high-pressure reaction kettle, carry out fatigue of materials performance test.

Description

Supercritical water oxidation environmentally conscious materials fatigue property test device
Technical field
The utility model relates to a kind of fatigue property test device of material mechanical performance technical field of measurement and test, especially relates to a kind of supercritical water oxidation environmentally conscious materials fatigue property test device.
Background technology
Nuclear power is as the energy of a kind of efficient, economy, environmental protection, and in solution energy crisis, protection of the environment, have significant advantage, Supercritical-Pressure Light Water Cooled Reactor has the advantages such as the thermal efficiency is high, structure reliable, safety economy.Supercritical water oxidation method is a kind of new and effective waste water, the waste treatment technique of rising in recent years, and its scope of application is very wide, can process various industrial wastewater, municipal sewage and mankind's metabolism dirt, have good development prospect.For the material be operated in supercritical water, need the mechanical property of testing its Service Environment, improve material characteristic data storehouse, to expand its scope of application.
Namely it, under CYCLIC LOADING, produces the permanent damage of local, and after certain cycle-index, forms crackle or crackle is further expanded until the phenomenon that ruptures completely fatigue of materials at certain point or some point; High temperature, oxide etch medium etc. can promote the formation of crackle and accelerate the expansion of crackle in fatigue process.
In Service Environment, the fatigue properties of material are significant as reference data indispensable in Engineering Project Implementation.The fatigue behaviour of test material in supercritical water environment is on active service most important for its component safety within the design and operation phase.Supercritical water oxidation environmentally conscious materials fatigue property test device, can test material at supercritical water (T>373.85 DEG C, P>22.1MPa) fatigue behaviour in, in conjunction with its changes in microstructure, can evaluate its serviceability.
At present, fatigue of materials testing arrangement and measuring technology thereof comparative maturity under normal circumstances, as electo hydraulic servocontrolled fatigue testing machine.Electo hydraulic servocontrolled fatigue testing machine mainly comprise test-bed, sample fixed station, the actuator of load power is provided for sample, actuator upper end is provided with load transducer, displacement transducer.The base of test-bed is vertically installed with 2 columns be parallel to each other, the upper end level of column is installed with crossbeam, and fixed station is arranged on the base of test-bed, and sample is arranged on fixed station, sample is provided with microstrain test macro.Actuator lower end is provided with boosting-rod, and boosting-rod is positioned at the top of sample, and actuator moves axially through the crossbeam of test-bed, actuator by boosting-rod to sample imposed load.This device is merely able to complete sample material fatigue property test under normal environment, cannot carry out fatigue of materials performance test in supercritical water oxidation environment.
Utility model content
Cannot meet the deficiency of carrying out fatigue of materials performance test in supercritical water oxidation environment to overcome existing electo hydraulic servocontrolled fatigue testing machine, the utility model provides a kind of supercritical water oxidation environmentally conscious materials fatigue property test device.
The utility model solves the technical scheme that its technical problem adopts: supercritical water oxidation environmentally conscious materials fatigue property test device comprises sample, fixed station, test-bed, provides the actuator of load power for sample, and sample is fixedly mounted on fixed station; Actuator is provided with load transducer, displacement transducer; Sample is provided with microstrain test macro; The base of test-bed is vertically installed with 2 columns be parallel to each other, the upper end level of column is installed with crossbeam.
The base of test-bed is installed with reactor, seals between the kettle of reactor and kettle cover and be fixedly connected with; Fixed station is fixedly mounted on the bottom in kettle, and the boosting-rod be positioned at above sample is fixedly connected with actuator lower end; Boosting-rod passes perpendicularly through kettle cover, and actuator passes perpendicularly through crossbeam, and actuator and boosting-rod can move axially.
Reactor is provided with the filling pipe be communicated with inside and outside still, the top of reactor is provided with safety valve, pressure sensor, reactor top is provided with air bleeding valve, is axially installed with electric heating tube, hollow tube in reactor, is axially installed with the temperature detecting resistance of more than 2 or 2 along hollow tube.
Kettle is multi-layer vacuum structure, and kettle side is provided with observation window.Kettle cover is double-layer vacuum structure, and kettle cover is provided with Water-cooling circulating mechanism, and safety valve, pressure sensor are fixedly mounted on kettle cover.
Sealing between boosting-rod and kettle cover adopts reciprocating movable sealing mechanism, and boosting-rod is provided with magnetism servo-electric motor water-cooling.
The beneficial effects of the utility model are, reasonable in design, structural safety, operates steadily, accurately, microstrain test macro measures sample strain size and the relation of suffered load in real time by high-temperature high-pressure reaction kettle, completes fatigue of materials performance test under supercritical water oxidation environment.
Accompanying drawing explanation
Fig. 1 is the utility model supercritical water oxidation environmentally conscious materials fatigue property test apparatus structure schematic diagram.
In figure: 1. crossbeam, 2. base, 3. fixed station, 4. boosting-rod, 5. actuator, 6. reactor, 7. filling pipe, 8. observation window, 9. electric heating tube, 10. safety valve, 11. samples, 12. temperature detecting resistances, 13. air bleeding valves, 14. pressure sensors, 15. columns, 16. kettlies, 17. kettle covers, 18. hollow tubes.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.But those skilled in the art should know, the utility model is not limited to listed detailed description of the invention, as long as meet spirit of the present utility model, all should be included in protection domain of the present utility model.
The utility model supercritical water oxidation environmentally conscious materials fatigue property test device comprises test-bed, reactor 6, sample 11, fixed station 3, and sample 11 is fixedly mounted on fixed station 3; Also comprise: for sample provides the actuator 5 of load power; Actuator 5 is provided with load transducer, displacement transducer, is respectively used to load and the change in displacement value of monitoring actuator 5; Sample 11 is provided with microstrain test macro.
See accompanying drawing 1.Test-bed is rigid frame structure, the base 2 of test-bed is vertically installed with 2 columns be parallel to each other 15, and the upper end level of column 15 is installed with crossbeam 1.The base 2 of test-bed is installed with reactor 6, usually adopts bolt to be fixedly connected with.Seal between the kettle 16 of reactor 6 and kettle cover 17 and be bolted to connection.Kettle 16 is multi-layer vacuum structure, usually adopts SUS304L stainless steel material welding manufacture; In order to reduce the heat transfer inside and outside reactor 16, heat-insulation layer can also be set outside kettle 16.The side of kettle 16 is provided with observation window 8, so that the liquid level position in observing response still 16.Kettle cover 17 is double-layer vacuum structure, and usually adopt SUS304L stainless steel material welding manufacture, kettle cover 17 is provided with Water-cooling circulating mechanism.
Sample 11 is fixedly mounted on fixed station 3, and fixed station 3 is fixedly mounted on the bottom in kettle 16, and the boosting-rod 4 be positioned at above sample 11 is fixedly connected with actuator 5 lower end.Boosting-rod 4 passes perpendicularly through kettle cover 17, and actuator 5 passes perpendicularly through crossbeam 1, and actuator 5 and boosting-rod 4 can move axially.Sealing between boosting-rod 4 and kettle cover 17 adopts reciprocating movable sealing mechanism, and boosting-rod 4 is provided with magnetism servo-electric motor water-cooling, avoids causing seal fails because local temperature is too high.
In order to ensure to maintain supercritical water oxidation environment in reactor 6 in test process, reactor 6 is provided with the filling pipe 7 inside and outside UNICOM's still.Be axially installed with electric heating tube 9 in reactor 6, the water temperature in reactor 6 is heated by electric heating tube 9 and controls.Axially also be provided with hollow tube 18 in reactor 6, be axially installed with the temperature detecting resistance 12 of more than 2 or 2 along hollow tube 18, the temperature detecting resistance 12 being arranged on differing heights monitors Temperature Regime of Main in still in real time.
The top of reactor 6 is provided with safety valve 10, pressure sensor 14, usually safety valve 10, pressure sensor 14 is fixedly mounted on kettle cover 17.The top of reactor 6 is provided with air bleeding valve 13, pressure sensor 14 is by controlling the solenoid control reacting kettle inner pressure on air bleeding valve 13, when reacting kettle inner pressure is higher than setting value, pressure sensor 14 Controlling solenoid valve opens air bleeding valve 13, and reacting kettle inner pressure is down in range of set value.When the setting value of reacting kettle inner pressure higher than safety valve 10, safety valve 10 is opened automatically, avoids because in still, hypertonia is explosion caused.
The course of work of the utility model supercritical water oxidation environmentally conscious materials fatigue property test device is:
Actuator 5 connects boosting-rod 4, and loads mechanical loading by boosting-rod 4 to sample 11; Load and displacement signal suffered by sample 11 are passed to load transducer and the displacement transducer of actuator 5 respectively, microstrain test macro simultaneously by being connected with sample 11 measures the strain value of sample 11, and data is passed to computer in real time and then carries out testing fatigue.In process of the test, temperature detecting resistance 12 monitors the temperature of differing heights position in reactor 6 in real time, and guarantee that sample 11 is immersed in supercritical water in process of the test, test environment meets the requirements.
The utility model utilizes reactor to provide supercritical water oxidation environment, realizes the measurement of fatigue of materials performance under high temperature and high pressure environment, have structure reliable, operate steadily, test accurately, intelligence degree high.
It should be noted that above-described embodiment is example and unrestricted the utility model, those skilled in the art can design a lot of alternate embodiment and not depart from the right of this patent.

Claims (4)

1. a supercritical water oxidation environmentally conscious materials fatigue property test device, comprise sample, fixed station, test-bed, provide the actuator of load power for sample, sample is fixedly mounted on fixed station; Actuator is provided with load transducer, displacement transducer; Sample is provided with microstrain test macro; The base of test-bed is vertically installed with 2 columns be parallel to each other, the upper end level of column is installed with crossbeam, it is characterized in that:
The base (2) of described test-bed is installed with reactor (6), seals between the kettle (16) of reactor (6) and kettle cover (17) and be fixedly connected with;
Described fixed station (3) is fixedly mounted on the bottom in kettle (16), and the boosting-rod (4) being positioned at sample (11) top is fixedly connected with actuator (5) lower end; Boosting-rod (4) passes perpendicularly through kettle cover (17), and actuator (5) passes perpendicularly through crossbeam (1), and actuator (5) and boosting-rod (4) can move axially;
Described reactor (6) is provided with the filling pipe (7) be communicated with inside and outside still, the top of reactor (6) is provided with safety valve (10), pressure sensor (14), reactor (6) top is provided with air bleeding valve (13), be axially installed with electric heating tube (9), hollow tube (18) in reactor (6), be axially installed with the temperature detecting resistance (12) of more than 2 or 2 along hollow tube (18).
2. supercritical water oxidation environmentally conscious materials fatigue property test device according to claim 1, is characterized in that: described kettle (16) is multi-layer vacuum structure, and kettle (16) side is provided with observation window (8).
3. supercritical water oxidation environmentally conscious materials fatigue property test device according to claim 2, it is characterized in that: described kettle cover (17) is double-layer vacuum structure, kettle cover (17) is provided with Water-cooling circulating mechanism, and described safety valve (10), pressure sensor (14) are fixedly mounted on kettle cover (17).
4. supercritical water oxidation environmentally conscious materials fatigue property test device according to claim 1, it is characterized in that: the sealing between described boosting-rod (4) and kettle cover (17) adopts reciprocating movable sealing mechanism, boosting-rod (4) is provided with magnetism servo-electric motor water-cooling.
CN201420850165.3U 2014-12-29 2014-12-29 Supercritical water oxidation environmentally conscious materials fatigue property test device Active CN204302086U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105445114A (en) * 2015-12-09 2016-03-30 中国科学院合肥物质科学研究院 Testing apparatus for low-temperature performance of superconductive strand
CN105806693A (en) * 2014-12-29 2016-07-27 核工业西南物理研究院 Supercritical water oxidation environment material fatigue performance test device
CN105891095A (en) * 2016-04-07 2016-08-24 新奥科技发展有限公司 Supercritical anti-corrosion testing device and testing method
CN110711548A (en) * 2019-09-25 2020-01-21 太原理工大学 Device and method for converting methane in supercritical water
CN112303233A (en) * 2020-05-13 2021-02-02 襄阳博亚精工装备股份有限公司 High temperature resistant, resistant high pressure gas moves cauldron body of seal structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105806693A (en) * 2014-12-29 2016-07-27 核工业西南物理研究院 Supercritical water oxidation environment material fatigue performance test device
CN105445114A (en) * 2015-12-09 2016-03-30 中国科学院合肥物质科学研究院 Testing apparatus for low-temperature performance of superconductive strand
CN105891095A (en) * 2016-04-07 2016-08-24 新奥科技发展有限公司 Supercritical anti-corrosion testing device and testing method
CN105891095B (en) * 2016-04-07 2019-01-22 新奥环保技术有限公司 A kind of overcritical anti corrosion test device and test method
CN110711548A (en) * 2019-09-25 2020-01-21 太原理工大学 Device and method for converting methane in supercritical water
CN112303233A (en) * 2020-05-13 2021-02-02 襄阳博亚精工装备股份有限公司 High temperature resistant, resistant high pressure gas moves cauldron body of seal structure

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