CN205749152U - A kind of pipe fitting croop property is tested with nearly Service Environment analog - Google Patents
A kind of pipe fitting croop property is tested with nearly Service Environment analog Download PDFInfo
- Publication number
- CN205749152U CN205749152U CN201521037700.4U CN201521037700U CN205749152U CN 205749152 U CN205749152 U CN 205749152U CN 201521037700 U CN201521037700 U CN 201521037700U CN 205749152 U CN205749152 U CN 205749152U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- water vapor
- creep
- assembly
- vapor 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.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
A kind of pipe fitting croop property is tested with nearly Service Environment analog, including: assembly is measured in heating furnace, water vapor atmosphere assembly, flue gas environment components, creep loading assembly and the deformation of creep, described flue gas environment components part is arranged in described heating furnace, described water vapor atmosphere components is arranged in described flue gas environment components, described creep loading assembly is connected with described water vapor atmosphere assembly, and the described deformation of creep is measured assembly and is connected with described water vapor atmosphere assembly.Pipe fitting croop property is tested with nearly Service Environment analog, can be according to the actual service state of the crucial high-temperature pipe fitting in the field such as thermoelectricity, nuclear power, environment and the composition proportion etc. of flue gas external environment in the temperature of the regulation inside and outside environment of pipe fitting sample and steam, the nearly Service Environment of simulation pipe fitting sample, and coordinate with creep loading main frame, carry out the test analysis of the performances such as creep rupture, creep fatigue and oxide etch under pipe fitting sample environmental load coupling condition.
Description
Technical field
This utility model relates to a kind of pipe fitting croop property nearly Service Environment analog of test, belongs to the pipe fitting especially test analysis field such as thermoelectricity pipe fitting mechanical property, corrosion oxidation performance.
Background technology
At a certain temperature, when keeping stress constant, the phenomenon that strain extends in time and increases is referred to as creep to solid material.The creep behaviour of material is time, stress, the coefficient result of temperature, as long as the time long enough of effect, creep also can occur when stress is much smaller than elastic limit.Equally, the creep behaviour of material the most also can occur, but only reach certain temperature and just can become notable, and this temperature is referred to as the creep temperature of material.The component worked under high temperature loaded condition when the field such as thermoelectricity, nuclear power is long, creep impairment is the failure mode that it is main, and the creep life of material is one of basic mechanical behavior under high temperature of material development, component design, biometry and the necessary reference of reliability assessment.
When normal long under temperature stress effect in addition to creep impairment, for thermoelectricity, nuclear power field high-temperature pipe for, within its creep life, also face the vapor-phase oxidation in pipeline, flue gas corrosion outside pipeline and the cracking of pipeline welded joint etc. serious Problem of Failure.The corrosion, oxidation of pipeline and the reduction of welding point can affect the creep life of pipeline, the deformation of creep of pipeline simultaneously also can accelerate the reduction of the oxidation of pipeline, corrosion and welding point, therefore, the material creep life-span under conventional simple hot conditions is utilized can't to reflect limit true lifetime of pipe fitting accurately.Actual Service Environment according to pipeline, design and develop and can simulate its internal high temperature steam, the contracting ratio of external high temperature flue gas environment or actual size pipeline creep loading equipment, carrying out the creep rupture performance test analysis under its nearly Service Environment, biometry and reliability assessment to the pipe fitting such as thermoelectricity, nuclear power have very important meaning.
Utility model content
The utility model proposes a kind of pipe fitting croop property nearly Service Environment analog of test, environment simulator utilizes pipe fitting sample itself as its internal steam environment boiler tube, flue gas environmental cabinet and high-temperature heater is configured outside pipe fitting sample, the true Service Environment of the simulation field such as thermoelectricity, nuclear power key conduit is jointly acted on by temperature, steam, fume control system, and be connected with creep test main frame, carry out the performance test analysises such as creep, fatigue and oxide etch under the nearly Service Environment of pipe fitting sample.
A kind of pipe fitting croop property is tested with nearly Service Environment analog, described pipe fitting nearly Service Environment analog includes: assembly is measured in heating furnace, water vapor atmosphere assembly, flue gas environment components, creep loading assembly and the deformation of creep, described flue gas environment components part is arranged in described heating furnace, described water vapor atmosphere components is arranged in described flue gas environment components, described creep loading assembly is connected with described water vapor atmosphere assembly, and described creep measurement assembly is connected with described water vapor atmosphere assembly.
Further, described water vapor atmosphere assembly includes: water vapor atmosphere boiler tube, steam evaporator, steam preheating apparatus, steam air inlet pipe, steam escape pipe and steam outlet pipe, described steam evaporator, steam air inlet pipe, water vapor atmosphere boiler tube is sequentially connected with, described steam preheating apparatus is attached at outside steam air inlet pipe, described steam escape pipe one end is connected with described water vapor atmosphere boiler tube upper end, the described steam escape pipe other end extends in atmosphere outside, described steam outlet pipe one end is connected with described water vapor atmosphere boiler tube lower end, the described steam outlet pipe other end extends in atmosphere outside.
Further, described flue gas environment components includes: flue gas environmental cabinet, flue gas mixing arrangement, smoke inlet pipe and flue gas escape pipe, described flue gas mixing arrangement, smoke inlet pipe, flue gas environmental cabinet are sequentially connected with, described flue gas escape pipe one end is connected with described flue gas environmental cabinet upper end, and the described flue gas escape pipe other end extends in atmosphere outside.
Further, described flue gas environmental cabinet two ends use flange seal, described upper flange uses double flange design, connect with corrugated tube in the middle of two set flanges, described upper and lower flange center is provided with pipeline jig outlet opening, being provided with described heating furnace outside described flue gas environmental cabinet, described water vapor atmosphere boiler tube is arranged in described flue gas environmental cabinet.
Further, described water vapor atmosphere boiler tube is pipe fitting sample.
Further, described creep loading assembly includes: pipeline jig top connection and pipeline jig lower contact, creep test main frame upper connecting rod and creep test main frame lower link, described pipeline jig top connection and pipeline jig lower contact are respectively arranged at the two ends of described water vapor atmosphere boiler tube, and described pipeline jig is connected through flue flange with lower link on creep test main frame.
Further, the described deformation of creep is measured assembly and is included: high temperature is extended bar, corrugated tube and displacement meter, described high temperature bar one end of extending is arranged in described flue gas environmental cabinet and is connected with described water vapor atmosphere furnace tube outer wall, and the described high temperature bar other end of extending extends to flue gas environmental cabinet by corrugated tube and is connected with displacement meter outward.
Compared with conventional creep endurance testing machine, feature of the present utility model is: occurred by atmospheric heating furnace, steam and flue gas environment and control system ground effectively coordinates, the test of pipe fitting croop property can realize the crucial Service Environment such as high-temperature pipe steam oxidation and the flue gas corrosion simulation of the field such as thermoelectricity, nuclear power with nearly Service Environment analog, and load main frame with creep and stress rupture test machine and is connected, complete creep rupture performance under the nearly Service Environment of pipe fitting sample and test and the performance evaluation such as high-temperature oxydation, flue gas corrosion and fitting structure inefficacy under stressing conditions.
Accompanying drawing explanation
Fig. 1 this utility model nearly Service Environment analog sectional structure schematic diagram；
Fig. 2 this utility model nearly Service Environment analog left view structural representation.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is explained in further detail.Should be appreciated that specific embodiment described herein is used only for explaining this utility model, be not used to limit this utility model.
On the contrary, this utility model contains any replacement made in spirit and scope of the present utility model, amendment, equivalent method and scheme being defined by the claims.Further, in order to make the public that this utility model to be had a better understanding, in below details of the present utility model being described, detailed describe some specific detail sections.The description not having these detail sections for a person skilled in the art can also understand this utility model completely.
As shown in Figure 1-2, a kind of pipe fitting croop property is tested with nearly Service Environment analog, described pipe fitting croop property is tested with nearly Service Environment analog mainly for thermoelectricity, the performance tests such as creep rupture under the crucial nearly Service Environment of high-temperature pipe in the field such as nuclear power and oxide etch, described pipe fitting nearly Service Environment analog includes: heating furnace 1, water vapor atmosphere assembly 2, flue gas environment components 3, assembly 5 is measured in creep loading assembly 4 and the deformation of creep, described flue gas environment components 3 part is arranged in described heating furnace 1, described water vapor atmosphere assembly 2 part is arranged in described flue gas environment components 3, described creep loading assembly 4 is connected with described water vapor atmosphere assembly 2, the described deformation of creep is measured assembly 5 and is connected with described water vapor atmosphere assembly 2.
nullDescribed water vapor atmosphere assembly 2 includes: water vapor atmosphere boiler tube 21、Steam evaporator 22、Steam preheating apparatus 23、Steam air inlet pipe 24、Steam escape pipe 25 and steam outlet pipe 26，Described steam evaporator 22、Steam air inlet pipe 24、Water vapor atmosphere boiler tube 21 is sequentially connected with，Described steam preheating apparatus 23 is attached at outside steam air inlet pipe 24，Described steam escape pipe 25 one end is connected with described water vapor atmosphere boiler tube 21 upper end，Described steam escape pipe 25 other end extends in atmosphere outside，Described steam outlet pipe 26 one end is connected with described water vapor atmosphere boiler tube 21 lower end，Described steam outlet pipe 26 other end extends in atmosphere outside，Described water vapor atmosphere boiler tube 21 is pipe fitting sample，Steam evaporator 22 overheated steam out is sent in water vapor atmosphere boiler tube 21 by steam air inlet pipe 24 after steam preheating apparatus 23 is heated to test temperature，Form water vapor atmosphere in pipe fitting sample，When steam released by needs，Open steam escape pipe 25.Described flue gas environment components 3 includes: flue gas environmental cabinet 31, flue gas mixing arrangement 32, smoke inlet pipe 33 and flue gas escape pipe 34, described flue gas mixing arrangement 32, smoke inlet pipe 33, flue gas environmental cabinet 31 are sequentially connected with, described flue gas escape pipe 34 one end is connected with described flue gas environmental cabinet upper end, described flue gas escape pipe 34 other end extends in atmosphere outside, N2、CO2、O2、SO2Deng gas by a certain percentage after flue gas mixing arrangement 32 mixes, it is passed through in high-temperature flue gas environmental cabinet 31 by smoke inlet pipe 33, when flue gas released by needs, opens flue gas escape pipe 34.Described flue gas environmental cabinet 31 two ends use flange seal, described flange center is provided with pipeline jig outlet opening can make creep loading assembly 4 pass, described flue upper flange uses double flange design, connect with corrugated tube between two set flanges, form one and be available for the flexible space that creep rupture loading main frame upper connecting rod moves.Described heating furnace 1 it is provided with outside described flue gas environmental cabinet 31, described water vapor atmosphere boiler tube 21 is arranged in described flue gas environmental cabinet 31, flue gas environmental cabinet 31 is heated by described heating furnace 1 with water vapor atmosphere boiler tube 21, described heating furnace 1, water vapor atmosphere assembly 2 and flue gas environment components 3 cooperation, common effect, it is achieved environment and the simulation of high-temperature flue gas external environment in the high-temperature vapor under the nearly service condition of pipeline.Described creep loading assembly 4 includes: pipeline jig top connection 41 and pipeline jig lower contact 42, creep test main frame upper connecting rod 43 and creep test main frame lower link 44, described pipeline jig top connection 41 and pipeline jig lower contact 42 are respectively arranged at the two ends of described water vapor atmosphere boiler tube 21, it is connected with described water vapor atmosphere boiler tube 21 with thread forms, described creep test main frame upper connecting rod 43, lower link 44 respectively with described pipeline jig top connection 41, pipeline jig lower contact 42 connects with thread forms, sample is loaded, described flue upper flange and pipeline jig top connection 41 use sealing, described flue lower flange is connected with Type of Welding with pipeline jig lower contact 42.The described deformation of creep is measured assembly 5 and is included: high temperature is extended bar 51, corrugated tube 52 and displacement meter 53, described high temperature is extended in bar 51 one end is arranged at described flue gas environmental cabinet 31 and is connected with described water vapor atmosphere boiler tube 21 outer wall, described high temperature bar 51 other end of extending extends to by corrugated tube 52 that flue gas environmental cabinet 31 is outer to be connected with displacement meter 53, pipe deforming amount is drawn by extend bar 51 of described high temperature by corrugated tube 52, the deformation of creep utilizing the displacement meter 53 outside environmental cabinet to complete pipeline is measured, and described displacement meter 53 can use differential transformer type displacement meter 53.
During use, after pipeline jig lower contact is welded with flue lower flange, it is connected with creep test main frame lower link, steam, smoke inlet pipe, after having connected, install water vapor atmosphere boiler tube successively, assembly, pipeline jig top connection, flue upper flange and creep loading main frame upper connecting rod etc. are measured in the deformation of creep, finally install heating furnace and connect flue gas and converge device and steam evaporator.After equipment installation, converge device by flue gas in flue gas environment boiler tube, be passed through flue gas, and start steam generation generator, heating furnace simultaneously.After the two temperature arrives target temperature, in pipe fitting sample, road is passed through high-temperature vapor, and by the temperature of Temperature control of heating furnace Adjustment Tests pipeline outer wall, after temperature reaches desired value and stablizes, startup creep and stress rupture test machine loading main frame starts the performance tests such as the creep-fatigue of test pipe.
The beneficial effects of the utility model are, on conventional creep endurance testing machine loading main frame, configuration can be used for simulating environment and the environmental cabinet of flue gas external environment in the crucial high-temperature pipe steam in the field such as thermoelectricity, nuclear power, in process of the test, actual service state according to pipe fitting sample, by the control system regulation temperature of the inside and outside environment of pipe fitting and interior ambient water vapor and the composition proportion etc. of external environment flue gas, the Service Environment of simulation pipe fitting, carries out the test analysis of the performances such as creep rupture, creep-fatigue and oxide etch under pipe fitting environment-load coupling condition.This testing machine design principle is simple, and method is simple, easily realizes, it is possible to achieve industrialized production in the performance tests such as thermoelectricity pipeline and other pipe fitting creep rupture.
Claims (7)
1. a pipe fitting croop property is tested with nearly Service Environment analog, it is characterized in that, the test of described pipe fitting croop property includes with nearly Service Environment analog: heating furnace (1), water vapor atmosphere assembly (2), flue gas environment components (3), assembly (5) is measured in creep loading assembly (4) and the deformation of creep, described flue gas environment components (3) part is arranged in described heating furnace (1), described water vapor atmosphere assembly (2) part is arranged in described flue gas environment components (3), described creep loading assembly (4) is connected with described water vapor atmosphere assembly (2), the described deformation of creep is measured assembly (5) and is connected with described water vapor atmosphere assembly (2).
nullPipe fitting croop property the most according to claim 1 is tested with nearly Service Environment analog，It is characterized in that，Described water vapor atmosphere assembly (2) including: water vapor atmosphere boiler tube (21)、Steam evaporator (22)、Steam preheating apparatus (23)、Steam air inlet pipe (24)、Steam escape pipe (25) and steam outlet pipe (26)，Described steam evaporator (22)、Steam air inlet pipe (24)、Water vapor atmosphere boiler tube (21) is sequentially connected with，Described steam preheating apparatus (23) is attached at steam air inlet pipe (24) outside，Described steam escape pipe (25) one end is connected with described water vapor atmosphere boiler tube (21) upper end，Described steam escape pipe (25) other end extends in atmosphere outside，Described steam outlet pipe (26) one end is connected with described water vapor atmosphere boiler tube (21) lower end，Described steam outlet pipe (26) other end extends in atmosphere outside.
Pipe fitting croop property the most according to claim 2 is tested with nearly Service Environment analog, it is characterized in that, described flue gas environment components (3) including: flue gas environmental cabinet (31), flue gas mixing arrangement (32), smoke inlet pipe (33) and flue gas escape pipe (34), described flue gas mixing arrangement (32), smoke inlet pipe (33), flue gas environmental cabinet (31) are sequentially connected with, described flue gas escape pipe (34) one end is connected with described flue gas environmental cabinet (31) upper end, and described flue gas escape pipe (34) other end extends in atmosphere outside.
Pipe fitting croop property the most according to claim 3 is tested with nearly Service Environment analog, it is characterized in that, described flue gas environmental cabinet (31) two ends use flange seal, upper flange uses double flange design, connect with corrugated tube in the middle of two set flanges, flange center is provided with pipeline jig outlet opening up and down, and described flue gas environmental cabinet (31) outside is provided with described heating furnace (1), and described water vapor atmosphere boiler tube (21) is arranged in described flue gas environmental cabinet (31).
Pipe fitting croop property the most according to claim 4 is tested with nearly Service Environment analog, it is characterised in that described water vapor atmosphere boiler tube (21) is pipe fitting sample.
Pipe fitting croop property the most according to claim 5 is tested with nearly Service Environment analog, it is characterized in that, described creep loading assembly (4) including: pipeline jig top connection (41) and pipeline jig lower contact (42), creep test main frame upper connecting rod (43) and creep test main frame lower link (44), described pipeline jig top connection (41) and pipeline jig lower contact (42) are respectively arranged at the two ends of described water vapor atmosphere boiler tube (21), and pipeline jig is connected through flue flange pull bar upper and lower with creep test main frame.
Pipe fitting croop property the most according to claim 4 is tested with nearly Service Environment analog, it is characterized in that, the described deformation of creep is measured assembly (5) and being included: high temperature is extended bar, corrugated tube and displacement meter, described high temperature bar one end of extending is arranged in described flue gas environmental cabinet (31) and is connected with described water vapor atmosphere boiler tube (21) outer wall, and the described high temperature bar other end of extending extends to flue gas environmental cabinet (31) by corrugated tube and is connected with displacement meter outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521037700.4U CN205749152U (en) | 2015-12-14 | 2015-12-14 | A kind of pipe fitting croop property is tested with nearly Service Environment analog |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521037700.4U CN205749152U (en) | 2015-12-14 | 2015-12-14 | A kind of pipe fitting croop property is tested with nearly Service Environment analog |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205749152U true CN205749152U (en) | 2016-11-30 |
Family
ID=57387876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521037700.4U Active CN205749152U (en) | 2015-12-14 | 2015-12-14 | A kind of pipe fitting croop property is tested with nearly Service Environment analog |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205749152U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424497A (en) * | 2015-12-14 | 2016-03-23 | 北京科技大学 | Service-environment-like simulating device for creep performance tests of pipe fittings |
| CN111537362A (en) * | 2020-05-18 | 2020-08-14 | 湖北工业大学 | Geogrid temperature control bidirectional loading creep device and test method |
-
2015
- 2015-12-14 CN CN201521037700.4U patent/CN205749152U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424497A (en) * | 2015-12-14 | 2016-03-23 | 北京科技大学 | Service-environment-like simulating device for creep performance tests of pipe fittings |
| CN111537362A (en) * | 2020-05-18 | 2020-08-14 | 湖北工业大学 | Geogrid temperature control bidirectional loading creep device and test method |
| CN111537362B (en) * | 2020-05-18 | 2022-11-22 | 湖北工业大学 | Geogrid temperature control bidirectional loading creep deformation device and test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105424497A (en) | Service-environment-like simulating device for creep performance tests of pipe fittings | |
| CN103245569B (en) | A kind of method of testing materials and system realizing gas attack and creep under high temperature | |
| CN108195688A (en) | Simulate the internal pressure creep testing device and method of coal-fired plant boiler pipe Service Environment | |
| CN110299217B (en) | Test segment for researching explosion failure of annular fuel cladding | |
| CN205749152U (en) | A kind of pipe fitting croop property is tested with nearly Service Environment analog | |
| CN203298648U (en) | Polytetrafluoroethylene tube type air preheater | |
| CN103234835A (en) | Method and system for realizing interaction of high-temperature steam oxidation and high-temperature creep | |
| CN104458400A (en) | High-temperature and high-pressure water vapor environment structural material testing device | |
| CN109870295A (en) | A kind of online service life evaluation system of thermal power plant jet chimney and method | |
| CN104359755A (en) | Vacuum sealing structure for mechanical testing machine, and installation method of vacuum sealing structure | |
| CN105136601A (en) | High-temperature thermal field and complex atmosphere environment static coupling device | |
| CN210571074U (en) | On-line monitoring sensor for corrosion depth of boiler heating surface | |
| CN106840849A (en) | A kind of Metal Materials At High Temperature corrosive environment deformation measuring device | |
| CN216284157U (en) | Helium gas tightness detection device of non-metal sealing gasket | |
| CN107860785A (en) | A kind of quick thermal fatigue test method of engine cylinder cap and device | |
| CN208366745U (en) | A kind of high-temperature vapor Creeping Environmental endurance testing machine | |
| CN104596772A (en) | Method and device for assessing air-oil mist mixed-state gaseous phase coking of aviation engine oil | |
| CN211374456U (en) | Probe device for testing high-temperature corrosion resistance of metal material on heating surface of boiler | |
| CN108519298A (en) | A kind of high-temperature water vapor Creeping Environmental endurance testing machine | |
| CN202066820U (en) | Low-temperature acid corrosion testing device for flue gas inside flue | |
| CN104977157A (en) | Pipe internal combustion superhigh temperature valve testing apparatus | |
| CN114354334A (en) | Turbine blade is long-term service operating mode analogue test device of material for shaping | |
| CN104713720A (en) | Novel high-temperature valve testing device | |
| CN206832569U (en) | A kind of Metal Materials At High Temperature corrosive environment deformation measuring device | |
| CN207908275U (en) | Simulate the internal pressure creep testing device of coal-fired plant boiler pipe Service Environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |