CN202631483U - Controlled atmosphere high-temperature elastic modulus tester - Google Patents
Controlled atmosphere high-temperature elastic modulus tester Download PDFInfo
- Publication number
- CN202631483U CN202631483U CN 201220179436 CN201220179436U CN202631483U CN 202631483 U CN202631483 U CN 202631483U CN 201220179436 CN201220179436 CN 201220179436 CN 201220179436 U CN201220179436 U CN 201220179436U CN 202631483 U CN202631483 U CN 202631483U
- Authority
- CN
- China
- Prior art keywords
- heater
- elastic modulus
- test body
- sample
- controlled atmosphere
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a controlled atmosphere high-temperature elastic modulus tester which comprises a stand, a sound wave signal system (1) used for generating, transmitting and receiving sound wave signals, a sample (3), a high-temperature test furnace body (2) and an excitation system (6), wherein the high-temperature test furnace body (2) is arranged on the stand; the sample (3) is arranged in the high-temperature test furnace body; the high-temperature test furnace body has a sealed structure; and the stand is provided with a vacuum-pumping device and a protective gas filling device. The controlled atmosphere high-temperature elastic modulus tester has the advantages that protective gas is used for protecting the sample and the related parts from being oxidized, so that the compositions and structures of the easily-oxidized components of the sample are not changed by oxidation, and the accuracy of test data is further guaranteed; and the service lives of the related parts are not shortened by oxidation, so that the consumption is reduced, the expense is saved, and the cost is reduced. Meanwhile, the controlled atmosphere high-temperature elastic modulus tester can be used for simulating the using environment of material, controlling the atmosphere of a test furnace and testing the change condition of high-temperature elastic modulus.
Description
Technical field
The utility model belongs to the testing tool class, relates to the instrument and equipment of test solid material high-temperature elastic modulus, the high-temperature elastic modulus tester of particularly controlled experiments atmosphere.
Background technology
High-temperature elastic modulus is solid material (metal material, fire resistive material, pottery, cement products, cast stone, glass etc.), the particularly a kind of important high-temperature physical property of fire resistive material; It can evaluating material key properties such as high temperature sintering property, elevated temperature strength, elevated temperature heat stress and high-temperature phase-changeization; Research and application to material all have very important significance.
Therefore, research and development high-temperature elastic modulus tester is a very important problem in solid material, particularly the fire resistive material field tests.
The high-temperature elastic modulus method of testing mainly contains audio method, (surpassing) sound velocity method and pulse excitation method etc.
In the world, high temperature audible test ratio juris is: utilize lasting variable frequency wave to excite sample that it is resonated through transducer via the refractory metal silk, judge its resonant frequency through lissajous figures, thereby obtain elastic modulus.Tester comprises signal generator, transducer, metal suspension, sample, metal suspension, transducer, oscillograph, hot test stove; The metal suspension at sample and two ends is all in the hot test stove.
(surpassing) sound velocity method is a ultrasound wave of showing the sample certain frequency, measures the speed of ultrasound wave compressional wave in sample, calculates a kind of method of testing of sample elasticity modulus according to correlation formula; (surpassing) sound velocity method is a kind of method relatively more commonly used in the world at present, and this equipment comprises probe, buffer bar, high temperature resistant couplant, sample, hot test stove and measuring and controlling equipment, and sample, high temperature resistant couplant and partial buffer bar etc. are all in the hot test stove.
In recent years, the measuring technology of pulse excitation method elasticity modulus obtains praising highly in the world, and this method is quick, accurate, simple to operate and be widely used with its test, has a plurality of countries that this series products is arranged at present, like, Belgian IMCE, Japanese NTP company etc.
Test about high-temperature elastic modulus; Patent (US2007/O157698A1) and patent CN201020552484.8 disclose pulse excitation method high-temperature elastic modulus tester separately respectively; Such tester comprises sonic generator, sample, (sample support device) ceramic waveguide pipe; Acoustic signals receiver and treating apparatus, hot test stove, sample, (sample support device) ceramic waveguide pipe etc. are all in the hot test stove.
This tester adopts the high temperature Young modulus of pulse excitation method Non-Destructive Testing sample, and its ultimate principle is: under hot environment, knock the sample bottom by specific pulse excitation device with suitable external force and frequency; When accumulation signal after the sample internal transmission; Through media transmission, receive by sonic sensor again, carry out analyzing and processing to the received signal by computer system; Obtain the resonant frequency of sample, the substitution correlation formula calculates the Young modulus of sample.This tester conformance with standard ISO12680-1 fire resistive material kinetic Youngs modulus test method-pulse excitation method.
Atmosphere in above-mentioned each method of prior art, its hot test stove is air atmosphere, i.e. autoxidation property atmosphere; Sample in the stove, metal suspension, high temperature resistant couplant etc. are all at high temperature bearing the oxidation of air; Not only make meetings such as metal suspension, high temperature resistant couplant shorten the life-span because of high-temperature oxydation, more serious is exerts an influence to the performance of sample, particularly when containing carbon etc. in the sample and be prone to oxidized component; After the oxidation; The component and the institutional framework of sample change, and the performance of sample just changes, and cause test inaccurate.
Simultaneously, the environment for use of material is complicated and changeable, except common air autoxidation atmosphere, also has H
2, various working conditions such as reduction aggressive atmosphere, neutral atmosphere, inert atmosphere and vacuum such as CO, ammonia, coal gas, nitrogen, argon gas, helium, and the elastic mould value of material under these different conditions also has different performances.Therefore, the atmospheric condition that also need simulate during the high-temperature elastic modulus under test this kind environment.
Summary of the invention
The purpose of the utility model is to provide one kind of multiple atmosphere controlled, overcomes carbon containing refractory and under high temperature natural air environment, is prone to oxidized technical barrier, and a kind of high-temperature elastic modulus tester of controlled experiments atmosphere is provided.
The purpose of the utility model can take following technical scheme to realize: comprise frame, be used for generation, the transmission of acoustic signals and acoustic signals system, sample, hot test body of heater and the excitation system that receives; The hot test body of heater is arranged on the frame; Sample is arranged in the hot test body of heater; The hot test body of heater is a hermetically-sealed construction, vacuum extractor is set on frame and feeds the protective gas device.
Described hot test furnace sealing structure is, the shell weld seam of hot test body of heater is with the welding of full weld technology, and the bottom of hot test body of heater is provided with fire door, and sealing is also fastening between fire door and the hot test body of heater.
Described vacuum extractor comprises snorkel, vacuum valve and vacuum pump, and snorkel is arranged on the fire door, and the outer end of snorkel is connected to outside the burner hearth, connects vacuum pump through vacuum valve.
Described feeding protective gas device comprises snorkel, flowrate control valve and protectiveness source of the gas, and snorkel is connected with the protectiveness source of the gas through flowrate control valve.
Gas in the described protective gas device can be a kind of in nitrogen, argon gas, helium, carbon monoxide gas, hydrogen, the ammonia, also can be two or more the mixed gas in the above-mentioned gas.
The advantage of the utility model: tester adapts to multiple atmosphere, can test material in the elastic modulus data of multiple atmospheric condition; Not oxidized with protective gas protection sample and associated components (metal suspension, high temperature resistant couplant etc.), make easy the to be oxidized component of sample can component and structural change not take place, thereby guaranteed the accuracy of test data because of oxidation; Make associated components can not shorten the life-span simultaneously, reduced consumption, practiced thrift spending, reduced cost because of oxidation.
Description of drawings
Accompanying drawing 1 is the utility model example structure synoptic diagram.
Among the figure, 1, the acoustic signals system, 2, the test body of heater, 3, sample, 4, fire door, 5, snorkel, 6, excitation system, 7, vacuum valve, 8, vacuum pump, 9, the protectiveness source of the gas, 10, flowrate control valve.
Embodiment
In conjunction with accompanying drawing 1, the specific embodiment of the utility model is described.
Embodiment 1:
Embodiment shown in accompanying drawing 1 is the high-temperature elastic modulus tester of bottom dress pattern controlled experiments atmosphere; Comprise frame, acoustic signals system 1, sample 3, hot test body of heater 2 and excitation system 6; Acoustic signals system 1 is used for generation, the transmission of acoustic signals and receives, and hot test body of heater 2 is arranged on the frame, and sample 3 is arranged in the hot test body of heater 2; Hot test body of heater 2 adopts hermetically-sealed construction, and setting vacuumizes and feed the protective gas device.
Its hot test body of heater 2 hermetically-sealed constructions are; Be each weld seam weld with full weld technology the shell of test body of heater 2, and fire door 4 is set to the end and opens the door, and at fire door 4 places snorkel 5 is set; The outer end of snorkel 5 is connected to outside the burner hearth; Connect vacuum valve 7 and flowrate control valve 10 respectively with three-way connection again, seal with hermetically-sealed construction between trial furnace fire door 4 and the body of heater, between the two with the fastening locking of fastener.
Its vacuum extractor comprises that snorkel 5 connects a connection vacuum valve 7 of three-way connection, three-way connection, and vacuum valve 7 connects vacuum pump 8.
It feeds the protective gas device and comprises; Snorkel 5 connects three-way connection; One of three-way connection connects influent stream control valve 10; Flowrate control valve 10 connects protectiveness sources of the gas 9, and the gas in the described protectiveness source of the gas 9 is a kind of in nitrogen, argon gas, helium, carbon monoxide gas, hydrogen, the ammonia, also can be two or more mixed gas.Its gas source can be this kind bottled gas, and pipeline gas also can be an aerogenesis apparatus, and present embodiment is a nitrogen cylinder.
Test procedure:
1. open fire door 4, device sample 3;
2. close fire door 4, and seal fastening locking it;
3. close flowrate control valve 10, open vacuum valve 7 is opened vacuum pump 8, makes in hot test body of heater 2 burner hearths to reach the negative-pressure vacuum state;
4. close vacuum pump 8, vacuum valve 7;
5. open nitrogen cylinder, turn-on flow rate operation valve 10 makes in hot test body of heater 2 burner hearths to be full of nitrogen;
6. press temperature increasing schedule, heat test body of heater 2 burner hearths make it to reach predetermined test temperature;
7. in operation sequence, starting impulse excitation system 6 makes sample 3 be inspired acoustic signals;
8. the acoustic signals of sample 3 transfers to signal and accepts system through transmission medium, handles through Computer Analysis again, records the elastic modulus of this test temperature.
9. cut off heating power supply, press the cooling system of sample 3, make it to be cooled to room temperature;
10. close flowrate control valve 10, close nitrogen cylinder, open trial furnace fire door 4, take out sample 3.
Embodiment 2:
On the basis of embodiment 1, fire door is arranged on test body of heater the place ahead, and snorkel is arranged on the bottom or the rear portion of test body of heater.Test procedure is the same.
Claims (6)
1. controlled atmosphere high-temperature elastic modulus tester; Comprise frame, be used for generation, the transmission of acoustic signals and acoustic signals system (1), sample (3), hot test body of heater (2) and the excitation system (6) that receives; Hot test body of heater (2) is arranged on the frame; Sample (3) is arranged in hot test body of heater (2), it is characterized in that: hot test body of heater (2) is a hermetically-sealed construction, vacuum extractor is set on frame and feeds the protective gas device.
2. controlled atmosphere high-temperature elastic modulus tester according to claim 1; It is characterized in that: described hot test body of heater (2) hermetically-sealed construction is; The shell weld seam of hot test body of heater (2) welds with full weld technology; The bottom of hot test body of heater (2) is provided with fire door (4), sealing and fastening between fire door (4) and the hot test body of heater (2).
?
3. controlled atmosphere high-temperature elastic modulus tester according to claim 1; It is characterized in that: described vacuum extractor comprises snorkel (5), vacuum valve (7) and vacuum pump (8); Snorkel (5) is arranged on the fire door (4); The outer end of snorkel (5) is connected to outside the burner hearth, connects vacuum pump (8) through vacuum valve (7).
4. according to claim 2 or 3 described controlled atmosphere high-temperature elastic modulus testers, it is characterized in that: described fire door is arranged on test body of heater the place ahead.
5. according to claim 1 or 3 described controlled atmosphere high-temperature elastic modulus testers; It is characterized in that: described feeding protective gas device; Comprise snorkel (5), flowrate control valve (10) and protectiveness source of the gas (9), snorkel (5) is connected with protectiveness source of the gas (9) through flowrate control valve (10).
6. controlled atmosphere high-temperature elastic modulus tester according to claim 5 is characterized in that: snorkel is arranged on the bottom or the rear portion of test body of heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220179436 CN202631483U (en) | 2012-04-25 | 2012-04-25 | Controlled atmosphere high-temperature elastic modulus tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220179436 CN202631483U (en) | 2012-04-25 | 2012-04-25 | Controlled atmosphere high-temperature elastic modulus tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631483U true CN202631483U (en) | 2012-12-26 |
Family
ID=47384674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220179436 Expired - Lifetime CN202631483U (en) | 2012-04-25 | 2012-04-25 | Controlled atmosphere high-temperature elastic modulus tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202631483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120768A (en) * | 2017-12-28 | 2018-06-05 | 武汉钢铁有限公司 | A kind of ultrasonic test method and device of high-temperature elastic modulus |
| CN114487257A (en) * | 2022-01-17 | 2022-05-13 | 中国工程物理研究院总体工程研究所 | Atmosphere-controllable solid combustion characteristic research experimental device and experimental method |
-
2012
- 2012-04-25 CN CN 201220179436 patent/CN202631483U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120768A (en) * | 2017-12-28 | 2018-06-05 | 武汉钢铁有限公司 | A kind of ultrasonic test method and device of high-temperature elastic modulus |
| CN108120768B (en) * | 2017-12-28 | 2020-10-30 | 武汉钢铁有限公司 | Ultrasonic testing method and device for high-temperature elastic modulus |
| CN114487257A (en) * | 2022-01-17 | 2022-05-13 | 中国工程物理研究院总体工程研究所 | Atmosphere-controllable solid combustion characteristic research experimental device and experimental method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103091189B (en) | Tester for simulating service environment of thermal barrier coating and detecting failure of thermal barrier coating in real time | |
| CN101403643A (en) | Apparatus for measuring combustion chamber flue gas temperature by utilizing acoustics | |
| CN101149320B (en) | Material ultra-temperature mechanical performance test method and system | |
| MX2007008686A (en) | Non-destructive testing of the lining of a process vessel. | |
| CN202631483U (en) | Controlled atmosphere high-temperature elastic modulus tester | |
| CN103616491A (en) | Gas and dust mixed explosion simulation testing device | |
| CN102735746B (en) | Device for enclosed detection of magnetic flux leakage signals of metal pipe and high speed transmission method of data | |
| CN103760035A (en) | Dynamic airtight automatic deformation test system of high-temperature tester | |
| CN201413372Y (en) | Temperature impact test box | |
| CN105784918B (en) | One kind burning HRR in-situ measuring method and device | |
| CN201277933Y (en) | Automatic test apparatus for metallic material extension rate | |
| CN210375984U (en) | Split type three-dimensional pressure device | |
| CN202255473U (en) | Intelligent quake-proof vortex precession flow meter | |
| CN206960132U (en) | A kind of gas kitchen ranges point pot efficiency test device | |
| CN202433241U (en) | Carbon-containing refractory material refractorinees-under-load creep deformation tester with anti-oxidation mechanism | |
| CN210487681U (en) | Magnetostrictive ultrasonic guided wave detection system of special working condition pipe | |
| CN208688766U (en) | A kind of electric vibration testing device | |
| CN104235822B (en) | For leakage of pressure bearing pipe detection system and the method for overhung construction boiler | |
| CN101982766A (en) | Signal transmitting/receiving method and device of high temperature elastic modulus tester | |
| ITAKURA et al. | Fundamental experiments for developing underground coal gasification (UCG) system | |
| ATE522807T1 (en) | METHOD AND DEVICE FOR EVALUATION OF A FUEL GAS WOBBE INDEX | |
| CN104931376A (en) | Test device and test method for adhesion and wall-cling property of high-temperature solid powder | |
| CN201762353U (en) | Device for measuring temperature field of furnace throat gas of blast furnace | |
| CN107676081A (en) | A kind of acoustic logging while drilling instrument test device | |
| CN203849115U (en) | Dynamic airtight automatic deformation test system of high-temperature tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |