CN104807713A - Efficient thermal shock joint performance test device for blade coating layer of gas turbine - Google Patents
Efficient thermal shock joint performance test device for blade coating layer of gas turbine Download PDFInfo
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- CN104807713A CN104807713A CN201510211602.6A CN201510211602A CN104807713A CN 104807713 A CN104807713 A CN 104807713A CN 201510211602 A CN201510211602 A CN 201510211602A CN 104807713 A CN104807713 A CN 104807713A
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Abstract
The invention discloses an efficient thermal shock joint performance test device for a blade coating layer of a gas turbine. The efficient thermal shock joint performance test device comprises a high-temperature electric furnace system, a cooling water system, an air cooling system, a test piece placing device and a control system, wherein the test piece placing device comprises a test piece basket arranged on a traveling crane mechanism and a test piece placing seat; the test piece basket moves between the high-temperature electric furnace system and the cooling system in a reciprocating manner through the traveling crane mechanism; the test piece placing seat moves between the high-temperature electric furnace system and the air cooling system in a reciprocating manner through the traveling crane system. The efficient thermal shock joint performance test device can detect the thermal impact resistance of a test piece under three conditions of water cooling, natural cooling and forced air cooling so as to meet different experiment requirements, and the experiment efficiency is greatly improved. In the experiment process, the heating time and the cooling time can be set; the two experiment modes of natural cooling and forced air cooling are fully automatic, so that the thermal impact experiment can be automatically carried out, and the experiment times are recorded; the temperature of cooling water can be set through temperature control equipment, so that the water temperature is kept at a certain value, and more accurate experiment data are acquired.
Description
Technical field
The present invention relates to thermal barrier coating thermal shock associating performance detection apparatus, specifically combustion engine blade thermal barrier coating High Efficiency Thermal impact property joint test device.
Background technology
Along with gas turbine is towards the development in high intake air temperature direction, the serviceability temperature of hot-end component requires more and more higher, the extreme condition of reached a high temperature alloy and monocrystal material.They are in the rugged surroundings such as high-temperature oxydation and high temperature gas flow erosion, and bearing temperature, up to 1100 DEG C, has exceeded the ultimate temperature 1075 DEG C that high temperature nickel alloy uses.And the prepared thermal barrier coating that the resistant to elevated temperatures advantages of the high strength of metal, high tenacity and pottery got up can improve the problems referred to above greatly.
Thermal barrier coating (TBC) is one of surface protection coating that current high temperature protection performance is best, application prospect is best.But the performance of testpieces can only be judged at present by metallographic observation microstructure, lack professional equipment testpieces being carried out to heat property test.And thermal-shock resistance is the major criterion of inspection thermal barrier coating performance, the equipment therefore setting up a set of detection coating thermal shock resistance is very urgent.
Summary of the invention
The object of the invention is to solve the problems of the technologies described above, a kind of combustion engine blade thermal barrier coating High Efficiency Thermal impact property joint test device is provided, this device can simulate suddenly cold and hot environment, in the serviceable life of the various new thermal barrier coating that test and comparison is developed or other high temperature coating sample, provide more Data support for realizing coating research and development.
Realizing technical scheme of the present invention is: a kind of combustion engine blade coatings High Efficiency Thermal combined impulse performance testing device, comprises high-temperature electric resistance furnace system, cooling water system, air cooling system, test piece in putting device, control system; Described test piece comprises be located at test specimen basket in driving mechanism and test specimen is seat in putting device, and described test specimen basket is travelled to and fro between high-temperature electric resistance furnace system and cooling water system by driving mechanism; Described test specimen is that seat is travelled to and fro between high-temperature electric resistance furnace system and air cooling system by driving mechanism.
Described cooling water system comprises bosh, drainboard, filter, air-dry machine, water circulating pump, cooling tube, heating rod; Described bosh top is provided with drainboard and air-dry machine; Be provided with filter in bosh, this filter has water circulating pump; Described cooling tube and heating rod are located at below filter.
Described water circulating pump, cooling tube, heating rod are controlled by each self-control device, and are connected with temperature monitor and control device respectively.
Described air cooling system comprises centrifugal blower, proximity switch, and is connected with control system.
Described high-temperature electric resistance furnace system is two station bell-type resistance furnaces.
Described driving mechanism is line slideway driving mechanism.
Described test specimen basket adopts high-temperature alloy material to make, and basket handle is arranged at its top, and multiple aperture is arranged at bottom.
Described test specimen is that seat silit is made in conjunction with silicon nitride ceramic material, and its bottom design has runner hole.
Described control system comprises PLC and human-computer interface system; This system controls centrifugal blower automatically, realizes natural air cooled or air blast cooling, records voluntarily and show heating or cool time to test number (TN).
The invention has the beneficial effects as follows:
1, in experimentation, driving mechanism can switch test specimen basket back and forth and test specimen is seat, and allow test specimen have one to be in heating and thermal insulation state all the time, another test specimen is in the state of cooling, improves conventional efficient and possesses the condition of simultaneously carrying out thermal shock Combined Trials.
2, can to a collection of test specimen, water-cooled impact is carried out in the left side in bosh, and the right is carried out air blast cooling impact by centrifugal blower or naturally cooled, and so conveniently compares test piece performance, possesses comparative.
3, also only can carry out air blast cooling or natural air cooled two kinds of thermal shock experiments to test specimen, and combustion engine blade coatings High Efficiency Thermal combined impulse proving installation of the present invention can realize full automation and record experiment number simultaneously.
Accompanying drawing explanation
Fig. 1 is structural upright schematic diagram of the present invention;
Fig. 2 is the rear perspective schematic diagram of Fig. 1;
Fig. 3 is cooling water system schematic diagram of the present invention;
Fig. 4 is the test specimen basket schematic diagram in apparatus of the present invention;
Fig. 5 is the test specimen in apparatus of the present invention is seat schematic diagram.
Number in the figure: 1-air-dry machine, 2-drainboard, 3-water circulating pump, 4-filter, 5-cooling tube, 6-heating rod, 7-test specimen basket, 8-bosh, 9-two station bell-jar high-temperature electric resistance furnaces, 10-centrifugal blower, 11-test specimen is seat, 12-driving mechanism, 13-switch board, 14-draining valve, 15-basket handle, 16-aperture, 17-test specimen, 18-runner hole.
Embodiment
As shown in Fig. 1 to 5, a kind of combustion engine blade coatings High Efficiency Thermal combined impulse performance testing device, comprises high-temperature electric resistance furnace system, cooling water system, air cooling system, test piece in putting device, control system; Described test piece comprises be located at test specimen basket 7 in driving mechanism 12 and test specimen is seat 11 in putting device, and put into test specimen 7 respectively, described test specimen basket 7 is travelled to and fro between high-temperature electric resistance furnace system and cooling water system by driving mechanism 12; Described test specimen is that seat 11 is travelled to and fro between high-temperature electric resistance furnace system and air cooling system by driving mechanism 12.Described cooling water system comprises bosh 8, drainboard 2, filter 4, air-dry machine 1, water circulating pump 3, cooling tube 5, heating rod 6; Described bosh 8 top is provided with drainboard 2 and air-dry machine 1; Be provided with filter 4 in bosh 8, this filter 4 has water circulating pump 3; Described cooling tube 5 and heating rod 6 are located at below filter 4.Described water circulating pump 3, cooling tube 5, heating rod 6 are controlled by each self-control device, and are connected with temperature monitor and control device respectively.Described air cooling system comprises centrifugal blower 10, proximity switch, and is connected with control system.Described high-temperature electric resistance furnace system is two station bell-type resistance furnaces 9.Described driving mechanism 12 is line slideway driving mechanism.Described test specimen basket 7 adopts high-temperature alloy material to make, and there is basket on its top 15, and multiple aperture 16 is arranged at bottom.Described test specimen is that seat 11 is made in conjunction with silicon nitride ceramic material with silit, and its bottom design has runner hole 18.Described control system comprises PLC and human-computer interface system; This system controls centrifugal blower 10 automatically, realizes natural air cooled or air blast cooling, records voluntarily and show heating or cool time to test number (TN).
The course of work of the present invention is: before starting experiment, need start two station bell-type resistance furnaces 9, set heating-up temperature and temperature retention time.After reaching experimental temperature, start the power on buttons of switch board 13, man-machine interface sets the heating of driving mechanism, switching time cool time.Choice experiment pattern (associating thermal shock pattern, air blast cooling pattern or natural refrigerating mode).Press start key, system starts automatically to record experimental period and number of times.Driving mechanism 12 is elevated and is realized by bottomed cylinder, the function that motor is walked about realizing it.In experimentation, it is seat 11 that driving mechanism 12 can switch test specimen back and forth, and allow test specimen 17 have one to be in heating and thermal insulation state all the time, another test specimen 17 is in the state of cooling, improves conventional efficient and possesses the condition of simultaneously carrying out thermal shock Combined Trials.Can to a collection of test specimen 17, water-cooled impact is carried out in the left side in bosh 8, and the right is carried out air blast cooling impact by centrifugal blower 10 or naturally cooled, and so conveniently compares test piece performance, possesses comparative.Also only can carry out air blast cooling or natural air cooled two kinds of thermal shock experiments to test specimen 17, and combustion engine blade coatings High Efficiency Thermal combined impulse proving installation of the present invention can realize full automation and record experiment number simultaneously.At the end of experiment, should first close electric furnace 9, set cool time.Finally press testing table switch board 13 stop button, shutdown system.Bosh 8 needs to change chilled water by draining valve 14 after a certain period of use time, ensures the clean of chilled water, avoids polluting test piece, affects experiment effect.
Claims (9)
1. a combustion engine blade coatings High Efficiency Thermal combined impulse performance testing device, is characterized in that: comprise high-temperature electric resistance furnace system, cooling water system, air cooling system, test piece in putting device, control system; Described test piece comprises be located at test specimen basket in driving mechanism and test specimen is seat in putting device, and described test specimen basket is travelled to and fro between high-temperature electric resistance furnace system and cooling water system by driving mechanism; Described test specimen is that seat is travelled to and fro between high-temperature electric resistance furnace system and air cooling system by driving mechanism.
2. combustion engine blade coatings High Efficiency Thermal combined impulse performance testing device according to claim 1, is characterized in that: described cooling water system comprises bosh, drainboard, filter, air-dry machine, water circulating pump, cooling tube, heating rod; Described bosh top is provided with drainboard and air-dry machine; Be provided with filter in bosh, this filter has water circulating pump; Described cooling tube and heating rod are located at below filter.
3. combustion engine blade coatings High Efficiency Thermal combined impulse performance testing device according to claim 2, is characterized in that: described water circulating pump, cooling tube, heating rod are controlled by each self-control device, and is connected with temperature monitor and control device respectively.
4. combustion engine blade coatings High Efficiency Thermal combined impulse performance testing device according to claim 1, is characterized in that: described air cooling system comprises centrifugal blower, proximity switch, and is connected with control system.
5. combustion engine blade coatings High Efficiency Thermal combined impulse performance testing device according to claim 1, is characterized in that: described high-temperature electric resistance furnace system is two station bell-type resistance furnaces.
6. combustion engine blade coatings High Efficiency Thermal combined impulse performance testing device according to claim 1, is characterized in that: described driving mechanism is line slideway driving mechanism.
7. combustion engine blade coatings High Efficiency Thermal combined impulse performance testing device according to claim 1, is characterized in that: described test specimen basket adopts high-temperature alloy material to make, and basket handle is arranged at its top, and multiple aperture is arranged at bottom.
8. combustion engine blade coatings High Efficiency Thermal combined impulse performance testing device according to claim 1, is characterized in that: described test specimen is that seat silit is made in conjunction with silicon nitride ceramic material, and its bottom design has runner hole.
9. combustion engine blade coatings High Efficiency Thermal combined impulse performance testing device according to claim 1, is characterized in that: described control system comprises PLC and human-computer interface system; This system controls centrifugal blower automatically, realizes natural air cooled or air blast cooling, records voluntarily and show heating or cool time to test number (TN).
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| CN201510211602.6A CN104807713A (en) | 2015-04-29 | 2015-04-29 | Efficient thermal shock joint performance test device for blade coating layer of gas turbine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403588A (en) * | 2015-12-28 | 2016-03-16 | 国电联合动力技术有限公司 | Test system for assessing freeze resistance of wind turbine blade coating, and method thereof |
| CN106769597A (en) * | 2017-01-16 | 2017-05-31 | 西南交通大学 | A kind of disc material thermal fatigue tester and test method |
| CN110057558A (en) * | 2019-04-08 | 2019-07-26 | 北京强度环境研究所 | A kind of turbine blade thermal fatigue experimental rig |
| CN110361414A (en) * | 2019-08-16 | 2019-10-22 | 蚌埠亘乐家庭用品有限公司 | A kind of glass heatproof impact test instrument |
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| CN101762452A (en) * | 2010-01-06 | 2010-06-30 | 湘潭大学 | Test device for simulating and testing thermal fatigue failure of high-temperature part in real time |
| CN202583098U (en) * | 2012-06-08 | 2012-12-05 | 江西省电力科学研究院 | Porcelain insulator temperature circulation testing platform |
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Patent Citations (5)
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| CN101644650A (en) * | 2008-08-06 | 2010-02-10 | 中国农业机械化科学研究院 | Device and method for testing thermal cycling performance of thermal barrel coating |
| CN101762452A (en) * | 2010-01-06 | 2010-06-30 | 湘潭大学 | Test device for simulating and testing thermal fatigue failure of high-temperature part in real time |
| CN202583098U (en) * | 2012-06-08 | 2012-12-05 | 江西省电力科学研究院 | Porcelain insulator temperature circulation testing platform |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403588A (en) * | 2015-12-28 | 2016-03-16 | 国电联合动力技术有限公司 | Test system for assessing freeze resistance of wind turbine blade coating, and method thereof |
| CN106769597A (en) * | 2017-01-16 | 2017-05-31 | 西南交通大学 | A kind of disc material thermal fatigue tester and test method |
| CN110057558A (en) * | 2019-04-08 | 2019-07-26 | 北京强度环境研究所 | A kind of turbine blade thermal fatigue experimental rig |
| CN110361414A (en) * | 2019-08-16 | 2019-10-22 | 蚌埠亘乐家庭用品有限公司 | A kind of glass heatproof impact test instrument |
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Application publication date: 20150729 |