CN102262020A - Machine for testing tensile stress under high temperature & high pressure environments - Google Patents
Machine for testing tensile stress under high temperature & high pressure environments Download PDFInfo
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- CN102262020A CN102262020A CN2011101095467A CN201110109546A CN102262020A CN 102262020 A CN102262020 A CN 102262020A CN 2011101095467 A CN2011101095467 A CN 2011101095467A CN 201110109546 A CN201110109546 A CN 201110109546A CN 102262020 A CN102262020 A CN 102262020A
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Abstract
The invention discloses a machine for testing the tensile stress under high temperature & high pressure environments, which comprises a tension machine, a high-temperature & high-pressure kettle system, an auxiliary system, a control system and a software system, wherein the tension machine is connected with the high-temperature & high-pressure kettle system by a tension rod; the auxiliary system is connected with the high-temperature & high-pressure kettle system by two pipelines; the control system is connected with the tension machine system, the high-temperature & high-pressure kettle system and the auxiliary system by control lines; and the software system is stored in a computer of the control system and connected with the tension machine by data lines. The machine disclosed by the invention is real in simulated environment, reliable in test data, convenient to test and good in safety; and the experimental results can provide a reliable reference for the design and service life prediction of chemical equipment, facilitate the prevention of safety accidents of the chemical equipment and reduce the economic loss.
Description
Technical field
The present invention relates to drawing stress testing machine field, refer in particular to the drawing stress testing machine under a kind of high temperature and high pressure environment.
Background technology
In large-size chemical and oil refining apparatus, large number quipments is on active service in the corrosive medium of high temperature, high pressure.Owing to reasons such as corrosion fatigue, stress corrosion, spot corrosion, equipment breaks down easily and lost efficacy, and causes the economic loss of great number and serious security incident.So the corrosion resisting property of test material in high temperature, high pressure corrosive medium is significant to Chemical Equipment Design and life prediction.But existing cupping machine can only be measured the tension pressurized performance of material under the normal temperature and pressure, can not measure the corrosion resisting property of material in high temperature, high pressure corrosive medium.
Summary of the invention
The object of the invention is at the performance measurement under the material extreme condition, stress under a kind of high temperature and high pressure environment drawing machine is provided, high temperature, high pressure corrosive medium extreme environment when it is worked by the simulation petrochemical equipment, and under this extreme environment, material is carried out pulse and stretch, thereby reach the function of measuring material corrosion resisting property under the extreme condition.
For achieving the above object, the present invention is achieved by the following technical solutions:
Draw high pressure tester under a kind of high temperature and high pressure environment, comprise drawing machine, high temperature and high pressure kettle system, backup system, control system and software systems.The drawing machine folder is connected with the high temperature and high pressure kettle system by pull bar; Backup system is connected with the high temperature and high pressure kettle system by two pipelines; Control system is connected with drawing machine system, high temperature and high pressure kettle system and backup system by control line.Software systems are deposited in the computing machine of control system, are connected with drawing machine by data line.
The high temperature and high pressure kettle system comprises high temperature and high pressure kettle, heating furnace and anchor clamps.High temperature and high pressure kettle is positioned at heating stove furnace chamber, and anchor clamps are connected with high temperature and high pressure kettle by two connecting rods.
Backup system comprises two trunk lines, nitrogen cylinder, cleaning fluid tank, Agitation Tank, volume pump, well heater, measuring assembly pipe, centrifugal pump, coil condenser, waste liquid tank.Nitrogen cylinder is connected with trunk line by pipeline, and cleaning fluid tank is connected with trunk line by pipeline; Agitation Tank is connected with the volume pump import by pipeline, and the volume pump outlet is connected with calorifier inlets by pipeline, and heater outlet is connected with the measuring assembly tube inlet by pipeline, and the outlet of measuring assembly pipe is connected with trunk line by pipeline; Trunk line is connected with the centrifugal pump inlet by pipeline, and the centrifugal pump outlet is connected with waste liquid tank by pipeline; Trunk line is connected with the coil condenser inlet by pipeline, and the coil condenser outlet is connected with waste liquid tank by pipeline.
Control system comprises computing machine, Control Software, measurement instrument.Control Software is deposited in the computing machine, and measurement instrument is connected with computing machine by control line.
Simulated environment of the present invention is true, and test figure is reliable, and test is convenient, and security is good, and experimental result can provide reliable reference for Chemical Equipment Design and life prediction, helps anti-chemical plant security incident, reduces economic loss.
Description of drawings:
Fig. 1 is a structural representation of the present invention
Fig. 2 is a high temperature and high pressure kettle system architecture synoptic diagram
Fig. 3 is the backup system structural representation
Embodiment
With reference to Fig. 1,2,3, when needs are measured the corrosion resisting property of certain material under certain environment, start 3 pairs of whole devices of backup system and clean and purge.After cleaning and purging finish, test specimen is fixed in the high temperature and high pressure kettle 7 with anchor clamps 9, covers kettle cover.In high temperature and high pressure kettle 7, inject the liquid of a certain amount of band corrosive medium, carry out increasing temperature and pressure, and temperature and pressure in the high temperature and high pressure kettle 7 is monitored by control system by 8 pairs of high temperature and high pressure kettles of the heating furnace in the high temperature and high pressure kettle system 27.When reaching the required pressure and temperature of environment, control system 4 is sent instruction, and heating furnace 8 stops heating, enters keeping warm mode.Drawing machine system start-up this moment is carried out pulse to test specimen and is stretched.When experiment proceeds to certain the time, when corrosive concentration changes, send instruction by control system 4, backup system 3 starts, liquid in the high temperature and high pressure kettle 7 are upgraded, and before liquid enters high temperature and high pressure kettle 7 to its pressurization of heating, slow down impact to high temperature and high pressure kettle 7 interior environment.When temperature, pressure exceeds standard in control system 4 monitors high temperature and high pressure kettle 7, send instruction, backup system 3 starts, and carries out decrease temperature and pressure.After reaching the test required time, send instruction by control system 4, drawing machine 1 is shut down, and heating furnace 8 stops heating, and backup system 3 starts, and temperature, pressure in the high temperature and high pressure kettle 7 is dropped to normal temperature and pressure, and backup system 3 is shut down, and takes out test specimen.In the whole process of experiment, software systems 5 are carried out data acquisition, and finish the back in experiment data are analyzed, and draw test findings.Start 3 pairs of whole devices of backup system once more after test is finished and clean and purge, after finishing each parts is returned to former condition, wait for the next test period.
Principle of work of the present invention: provide High Temperature High Pressure and corrosive medium environment by high temperature and high pressure kettle system 2, and be fixed in the high temperature and high pressure kettle 7 with the end of anchor clamps 9 with test specimen, the other end of test specimen is connected with drawing machine 1 by pull bar 6 by anchor clamps 9, provide pulse to stretch by drawing machine 1, thereby form the tension test of material under High Temperature High Pressure and the corrosive medium.Can change parameters such as high temperature and high pressure kettles 7 internal pressures, temperature, corrosive concentration by backup system 3, thereby real work environment that can simulated construction equipment draws authentic data.Can carry out pressure, the isoparametric monitoring of temperature by 4 pairs of whole equipments of control system, safeguard equipment safety; And reduce the people and the direct of device contacts by automatic control, further improve security.Gather by 5 pairs of data of software systems at last, and data are effectively analyzed draw experimental result.
Claims (4)
1. draw high pressure tester under a high temperature and high pressure environment, comprise drawing machine (1), high temperature and high pressure kettle system (2), backup system (3), control system (4) and software systems (5), the drawing machine folder is connected with the high temperature and high pressure kettle system by pull bar 6; Backup system (3) is connected with high temperature and high pressure kettle system (2) by two pipelines; Control system (4) is connected with drawing machine system (1), high temperature and high pressure kettle system (2) and backup system (3) by control line, and software systems are deposited in the computing machine (21) of control system (4), are connected with drawing machine (1) by data line.
2. according to drawing high pressure tester under the described a kind of high temperature and high pressure environment of claim (1), it is characterized in that, high temperature and high pressure kettle system (2) comprises high temperature and high pressure kettle (7), heating furnace (8) and anchor clamps (9), high temperature and high pressure kettle (7) is positioned at heating furnace (8) furnace chamber, and anchor clamps (9) are connected with high temperature and high pressure kettle (7) by two connecting rods (10).
3. draw high pressure tester under a kind of high temperature and high pressure environment according to claim 1, it is characterized in that, backup system (3) comprises two trunk lines (11), nitrogen cylinder (12), cleaning fluid tank (13), Agitation Tank (14), volume pump (15), well heater (16), measuring assembly pipe (17), centrifugal pump (18), coil condenser (19), waste liquid tank (20), nitrogen cylinder (12) is connected with trunk line (11) by pipeline, cleaning fluid tank (13) is connected with trunk line (11) by pipeline, Agitation Tank is connected with volume pump (15) import by pipeline, volume pump (15) outlet is connected with well heater (16) inlet by pipeline, well heater (16) outlet is connected with measuring assembly pipe (17) inlet by pipeline, measuring assembly pipe (17) outlet is connected with trunk line (11) by pipeline, trunk line (11) is connected with centrifugal pump (18) inlet by pipeline, centrifugal pump (18) outlet is connected with waste liquid tank (20) by pipeline, trunk line (11) is connected with coil condenser (19) inlet by pipeline, and coil condenser (19) outlet is connected with waste liquid tank (20) by pipeline.
4. draw high pressure tester under a kind of high temperature and high pressure environment according to claim 1, it is characterized in that, control system (4) comprises computing machine (21), Control Software (22), measurement instrument (23), Control Software (22) is deposited in the computing machine (21), and measurement instrument is connected with computing machine by control line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110109546 CN102262020B (en) | 2011-04-29 | 2011-04-29 | Machine for testing tensile stress under high temperature & high pressure environments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110109546 CN102262020B (en) | 2011-04-29 | 2011-04-29 | Machine for testing tensile stress under high temperature & high pressure environments |
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| CN102262020A true CN102262020A (en) | 2011-11-30 |
| CN102262020B CN102262020B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110109546 Expired - Fee Related CN102262020B (en) | 2011-04-29 | 2011-04-29 | Machine for testing tensile stress under high temperature & high pressure environments |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103163014A (en) * | 2011-12-12 | 2013-06-19 | 德尔福电子(苏州)有限公司 | Testing method simulating environmental stress |
| CN103217333A (en) * | 2013-04-14 | 2013-07-24 | 中国科学院合肥物质科学研究院 | Creep experiment device and method for realizing accurate deformation measurement in dynamic liquid metal environments |
| CN103323337A (en) * | 2013-05-18 | 2013-09-25 | 合肥通用机械研究院 | Device used in material performance test in high-temperature pressurized-hydrogen environment |
| CN103499502A (en) * | 2013-09-28 | 2014-01-08 | 中国科学院金属研究所 | Slow stretching experimental device with high-temperature high-pressure circulating water and using method |
| CN104142271A (en) * | 2014-06-06 | 2014-11-12 | 四川材料与工艺研究所 | Test device for testing tensile property of material in high-temperature high-pressure gas |
| CN104777030A (en) * | 2014-06-09 | 2015-07-15 | 襄阳航泰动力机器厂 | Environment-controllable high-temperature mechanical testing machine |
| CN105190285A (en) * | 2013-03-27 | 2015-12-23 | Ul有限责任公司 | Device and method for storing sample bodies |
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| JPS58200199A (en) * | 1982-05-17 | 1983-11-21 | 三菱マテリアル株式会社 | High temperature high pressure leaching test device of running water type |
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| CN201359593Y (en) * | 2008-12-30 | 2009-12-09 | 中国科学院金属研究所 | High-temperature and high-pressure water circulating system |
| CN101769853A (en) * | 2010-01-08 | 2010-07-07 | 康科联（北京）新技术有限公司 | Experiment device for testing corrosion performance of material in simulated deep-sea environment |
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2011
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103163014A (en) * | 2011-12-12 | 2013-06-19 | 德尔福电子(苏州)有限公司 | Testing method simulating environmental stress |
| CN103163014B (en) * | 2011-12-12 | 2015-08-26 | 德尔福电子(苏州)有限公司 | A kind of method of testing of simulated environment stress |
| CN105190285A (en) * | 2013-03-27 | 2015-12-23 | Ul有限责任公司 | Device and method for storing sample bodies |
| CN103217333A (en) * | 2013-04-14 | 2013-07-24 | 中国科学院合肥物质科学研究院 | Creep experiment device and method for realizing accurate deformation measurement in dynamic liquid metal environments |
| CN103323337A (en) * | 2013-05-18 | 2013-09-25 | 合肥通用机械研究院 | Device used in material performance test in high-temperature pressurized-hydrogen environment |
| CN103499502A (en) * | 2013-09-28 | 2014-01-08 | 中国科学院金属研究所 | Slow stretching experimental device with high-temperature high-pressure circulating water and using method |
| CN103499502B (en) * | 2013-09-28 | 2016-03-02 | 中国科学院金属研究所 | A kind of slow tensile test device with High Temperature High Pressure recirculated water and using method |
| CN104142271A (en) * | 2014-06-06 | 2014-11-12 | 四川材料与工艺研究所 | Test device for testing tensile property of material in high-temperature high-pressure gas |
| CN104777030A (en) * | 2014-06-09 | 2015-07-15 | 襄阳航泰动力机器厂 | Environment-controllable high-temperature mechanical testing machine |
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| CN102262020B (en) | 2013-04-17 |
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