CN206177722U - High temperature steam creep device - Google Patents
High temperature steam creep device Download PDFInfo
- Publication number
- CN206177722U CN206177722U CN201621145404.0U CN201621145404U CN206177722U CN 206177722 U CN206177722 U CN 206177722U CN 201621145404 U CN201621145404 U CN 201621145404U CN 206177722 U CN206177722 U CN 206177722U
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- China
- Prior art keywords
- creep
- correspondence
- chamber
- pull bar
- depression bar
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- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model relates to a high temperature steam creep device, including creep chamber, pull rod, depression bar, heating device, the corresponding upper cover that is equipped with in creep chamber upper end, a plurality of depression bars are to be dispersed the form and corresponds and to hinge in the pull rod upper end, and pull rod wherein one end passes the upper cover and stretches into creep intracavity portion, contradict at the upper cover tip through the fulcrum in the middle part of the depression bar, the depression bar end stretches out the upper cover side and presses the hammer along corresponding to connect, the pull rod lower extreme is connected with hinge support first, and the corresponding support first that cuts with scissors in creep chamber is equipped with hinge support second, and the sample corresponds the connection and is cutting with scissors support second and hinge support between first, the ag(e)ing test of sample under the steam condition has been increased, the military service state of more accurate metal material under the truth, the the device structure is simple with manufacturing process, and the cost is lower.
Description
Technical field
This utility model is related to a kind of simple water vapour creep device, relates generally to the High Temperature High Pressure of thermal power plant's metal material
Water vapour creep device.
Background technology
Creep test is to determine metal material under prolonged constant temperature and constant stress effect, and slow plastic deformation occurs
A kind of mechanical property of materials test of phenomenon, creep can be in simple stress（Pulling force, pressure or torsion）, also can be under combined stress
Occur.Common creep test is carried out under the conditions of simple tension, and generally temperature is higher or stress is bigger, creep
Phenomenon is more notable.
Development high efficiency, high parameter, Large Copacity supercritical (SC) are that our times firepower is sent out with ultra supercritical (USC) unit
The joint development trend of electricity, the main path for improving thermal power plant efficiency is to improve the parameter of steam, that is, improve the pressure of steam
Power and temperature.Improve Boiler Steam parameter and also imply that the high temperature to metal material, high pressure ability to bear propose requirements at the higher level,
Assessment, the fired power generating unit for running metal material residual life under thermal power plant's high-temperature and high-pressure conditions newly researches and develops material at high temperature condition of high voltage
Aging corresponding relation with hydraulic performance decline of the quality of lower performance, metal material tissue etc. these need laboratory equlpment simulation come
Into high-temerature creep device is exactly a kind of equipment therein, and high-temerature creep device is laboratory simulation Metal Materials At High Temperature, high-pressure section
The important experimental apparatus of performance variation law under part, are in high volume widely used in Ge great colleges and universities, scientific research institutions.
But, at present high-temerature creep device be operation conditions under simulation thermal power plant high-temperature and high-pressure conditions, it is impossible to
The ruuning situation of metal material under the conditions of high-temperature high-pressure steam is simulated, however, thermal power plant's overwhelming majority high temperature pressurized
Part is run under the conditions of water vapour, for the practical operation situation for more accurately simulating thermal power plant's metal tube,
Laboratory needs a kind of high-temperature high-pressure steam creep device to be simulated reality.
Utility model content
In order to solve the above problems, there is provided a kind of simple structure, creep device easy to use, with low cost, this practicality
A kind of high-temperature high-pressure steam creep device of new design.
Concrete technical scheme of the present utility model is：A kind of high-temperature water vapor creep device, including creep chamber, pull bar, pressure
Bar, heater, creep chamber upper end is correspondingly provided with lid；Some depression bars are hinged on pull bar upper end in divergent shape correspondence, pull bar its
Creep intracavity portion is stretched in middle one end through upper lid, and the depression bar middle part is contradicted in upper lid end by fulcrum, and depression bar end is stretched out
Upper lid side edge and correspondence connection hammer；Pull bar lower end is connected with hinge stent first, and creep chamber correspondence hinge stent first is provided with hinge stent second,
Sample correspondence is connected between hinge stent second and hinge stent first；Creep cavity outer wall is coated with heat-insulation layer, and two water injection pipes correspondence is stretched into
Creep bottom of chamber portion, creep intracavity portion is provided around the heater of sample；Upper lid sidepiece is provided with venthole, the temperature sensor
Creep intracavity portion is stretched into by venthole, temperature sensor connection corresponding with heater is on the controller.
Water injection pipe stretches into creep bottom of chamber portion along creep chamber side wall, and water injection pipe connects water source, effusion meter correspondence by effusion meter
Connection controller.
Hammer includes hook, balancing weight and pallet, and the hook correspondence is connected to pallet middle part, balancing weight by with hook
The link slot that outer wall matches is correspondingly placed on pallet；Depression bar sidepiece is provided with rule；The heater is heater strip.
Correspondence pull bar lower end is provided with adapter sleeve in hinge stent first, and the pull bar is connected in adapter sleeve by Screw assembly；
Depression bar quantity is six.
Advantageous Effects of the present utility model are：Ag(e)ing test of the sample under the conditions of water vapour is increased, it is more accurate
True metal material service state under real conditions；The apparatus structure is simple with manufacturing process, and cost is relatively low.
Description of the drawings
Fig. 1 is this utility model embodiment schematic diagram；
Fig. 2 is this device diagrammatic cross-sectional view；
Fig. 3 is weight structure diagram；
Fig. 4 is that sample installs sketch.
In figure：1-creep chamber, 2-effusion meter, 3-water injection pipe, 4-upper lid, 5-venthole, 6-connecting line, 7-temperature
Degree sensor, 8-controller, 9-heater, 10-heat-insulation layer, 11-hinge stent first, 12-hinge stent second, 13-weight,
14-sample, 15-pin, 16-depression bar, 17-pull bar, 18-fulcrum, 19-adapter sleeve, 20-hook, 21-balancing weight,
22-pallet.
Specific embodiment
A kind of high-temperature water vapor creep device, referring to Fig. 1-4：Including creep chamber 1, pull bar 17, depression bar 16, heater 9,
The upper end of creep chamber 1 is correspondingly provided with lid 4；Some depression bars 16 are hinged on the upper end of pull bar 17, pull bar 17 wherein in divergent shape correspondence
End is stretched into inside creep chamber 1 through upper lid 4, and the middle part of the depression bar 16 is contradicted in the end of upper lid 4 by fulcrum 18, the end of depression bar 16
Stretch out the side of lid 4 edge and correspondence connection hammer；The lower end of pull bar 17 is connected with hinge stent first 11, the corresponding hinge stent first 11 in creep chamber 1
Hinge stent second 12 is provided with, the correspondence of sample 14 is connected between hinge stent second 12 and hinge stent first 11；The outer wall of creep chamber 1 is coated with guarantor
Warm layer 10, two water injection pipes correspondence stretches into the bottom of creep chamber 1, and the heater 9 of sample is provided around inside creep chamber 1；The side of upper lid 4
Portion is provided with venthole 5, and the temperature sensor 7 is stretched into inside creep chamber 1 by venthole 5, temperature sensor and heater 9
Correspondence is connected on controller 8.
Water injection pipe 3 stretches into creep bottom of chamber portion along the side wall of creep chamber 1, and water injection pipe 3 connects water source, effusion meter 2 by effusion meter 2
Correspondence connection controller 8.
Hammer includes hook 20, balancing weight 21 and pallet 22, and the correspondence of hook 20 is connected to the middle part of pallet 22, balancing weight
21 link slots by matching with 20 outer walls of hook are correspondingly placed on pallet 22；Depression bar sidepiece is provided with rule；It is described to add
Thermal 9 is heater strip.Correspondence pull bar 17 lower end is provided with adapter sleeve 19 in hinge stent first 11, and the pull bar 17 passes through Screw assembly
It is connected in adapter sleeve 19；The quantity of depression bar 16 is six.
Effusion meter 2 is adjusted by adjusting controller 8, the discharge that both sides water injection pipe 3 is flowed in creep chamber 1 is equal, and water leads to
Cross behind the inflow creep of water injection pipe 3 chamber and be heated to form water vapour again, water injection rate can be set；Test can be set temperature required, by adding
Thermal 9 is heated, and controls temperature constant in creep chamber 1 by temperature sensor 7 and controller 8；Temperature sensor 7 is led to
Cross venthole and stretch into the middle and lower part of creep chamber 1, make near sample 14 more accurate to test temperature sensing.
Gas outlet on upper lid 4 can not only bore a hole as the reception hole of temperature sensor 7 and connecting line 6, while can rise
Unnecessary water vapor acting is discharged, moisture content and invariablenes pressure of liquid in burner hearth is maintained.The end of sample 14 is provided with through hole, and the sample 14 passes through
Rivet pin 15 is connected on two hinged-supports；Depression bar 16 is by 18 gravity of transmission power weight 13 of fulcrum to pull bar 17；Fulcrum 18
Distance to pull bar 17, using lever principle, makes the stress of pull bar 17 much smaller than the distance that it is arrived at weight 13, and is delivered to sample
On 14；Graduation mark is set, the ratio of depression bar 16 can be adjusted, for calculating pulling force suffered by sample.
Assumed fulcrum 18 is 5 with the distance ratio of pull bar 17 to weight 13:1, hang a 20kg's on existing each weight 13
Balancing weight 21, the then power being delivered on sample 14 is 6000N, if the cross-sectional area of sample 14 is 30mm2, then can produce on sample
The pressure of 200MPa, i.e., need not the balancing weight 21 of very weight just can produce larger pressure；The heat-insulation layer 10 of creep chamber 1 is heat-preservation cotton
And metal shell, play function of heat insulation.
During work, lid 4 in opening, by pull bar 17 is through upper lid 4 and assembling is in hinged-support first, with pin 15 by sample
14 correspondences are connected between two hinged-supports, cover lid 4, and by turn pull bar 17 length that pull bar 17 stretches into adapter sleeve 19 is adjusted
Degree, to tense sample 14；Depression bar 16 is spaced into 60 degree of distributions, and the weight of balancing weight 21 calculated on hanging；Open effusion meter
2, water is uniformly flowed in creep chamber 1；Heater 9 is opened, is in by the temperature of 7 real-time control creep chamber of temperature sensor 1
Required test temperature, after temperature reaches design temperature in creep chamber 1, the start recording time；After timeliness certain hour, record
End time, effusion meter 2, heater 9 are closed, make temperature natural cooling in creep chamber 1, treat temperature drop to indoor temperature
When, creep sample is taken out, arrange part, off-test.
Claims (7)
1. a kind of high-temperature water vapor creep device, including creep chamber, pull bar, depression bar, heater, is characterized in that：On creep chamber
End is correspondingly provided with lid；Some depression bars are hinged on pull bar upper end in divergent shape correspondence, and pull bar wherein one end is stretched into compacted through upper lid
Become intracavity portion, the depression bar middle part is contradicted in upper lid end by fulcrum, lid side edge and correspondence connection pressure are stretched out in depression bar end
Hammer；Pull bar lower end is connected with hinge stent first, and creep chamber correspondence hinge stent first is provided with hinge stent second, and sample correspondence is connected to hinge stent
Between second and hinge stent first；Creep cavity outer wall is coated with heat-insulation layer, and two water injection pipes correspondence stretches into creep bottom of chamber portion, creep intracavity portion
It is provided around the heater of sample；Upper lid sidepiece is provided with venthole, and temperature sensor stretches into creep intracavity portion by venthole,
Temperature sensor connection corresponding with heater is on the controller.
2. high-temperature water vapor creep device according to claim 1, is characterized in that：Water injection pipe stretches into creep along creep chamber side wall
Bottom of chamber portion, water injection pipe connects water source, effusion meter correspondence connection controller by effusion meter.
3. high-temperature water vapor creep device according to claim 1, is characterized in that：Hammer includes hook, balancing weight and pallet,
The hook correspondence is connected to pallet middle part, and balancing weight is correspondingly placed at pallet by the link slot matched with hook outer wall
On.
4. high-temperature water vapor creep device according to claim 1, is characterized in that：Depression bar sidepiece is provided with rule.
5. high-temperature water vapor creep device according to claim 1, is characterized in that：The heater is heater strip.
6. high-temperature water vapor creep device according to claim 1, is characterized in that：Correspondence pull bar lower end is provided with hinge stent first
Adapter sleeve, the pull bar is connected in adapter sleeve by Screw assembly.
7. high-temperature water vapor creep device according to claim 1, is characterized in that：Depression bar quantity is six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621145404.0U CN206177722U (en) | 2016-10-21 | 2016-10-21 | High temperature steam creep device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621145404.0U CN206177722U (en) | 2016-10-21 | 2016-10-21 | High temperature steam creep device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177722U true CN206177722U (en) | 2017-05-17 |
Family
ID=58680589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621145404.0U Expired - Fee Related CN206177722U (en) | 2016-10-21 | 2016-10-21 | High temperature steam creep device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206177722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237776A (en) * | 2021-05-31 | 2021-08-10 | 青岛中和聚氨酯材料有限公司 | Polyurethane high-temperature illumination deformation detection device and detection method thereof |
-
2016
- 2016-10-21 CN CN201621145404.0U patent/CN206177722U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237776A (en) * | 2021-05-31 | 2021-08-10 | 青岛中和聚氨酯材料有限公司 | Polyurethane high-temperature illumination deformation detection device and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20191021 |