CN108225903A - A kind of station boiler small punch test device - Google Patents
A kind of station boiler small punch test device Download PDFInfo
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- CN108225903A CN108225903A CN201810213959.1A CN201810213959A CN108225903A CN 108225903 A CN108225903 A CN 108225903A CN 201810213959 A CN201810213959 A CN 201810213959A CN 108225903 A CN108225903 A CN 108225903A
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- collet
- test device
- station boiler
- small punch
- heat insulating
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 3
- 239000002052 molecular layer Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 14
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 3
- 229910001930 tungsten oxide Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007656 fracture toughness test Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002103 nanocoating Substances 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of station boiler small punch test device disclosed by the embodiments of the present invention, including pedestal, collet, jumper bar and heating element, collet is arranged on pedestal, collet and pedestal are provided with the mounting groove of installation test specimen, jumper bar is clamped in collet, and insulated tank is provided at collet and pedestal position corresponding with mounting groove periphery, and the first adiabatic filled layer is filled in insulated tank, heating element is arranged on wall surface of the insulated tank close to mounting groove, and insulated tank is provided with the first heat insulating coat on the wall surface far from mounting groove；The outer surface of pedestal and collet is coated with the second heat insulating coat.It can be seen that, station boiler small punch test device in the present invention, the heat insulation effect that the adiabatic filled layer of setting first, the first heat insulating coat and the second heat insulating coat improve equipment is heated and passed through just for test specimen, therefore, the volume of whole equipment can be reduced, without installation and debugging, shorten the adjustment and installation time of station boiler small punch test device.
Description
Technical field
The present invention relates to small punch test technology fields, are filled more specifically to a kind of station boiler small punch test
It puts.
Background technology
Station boiler refers to provide the large-sized boiler of specified quantity and quality steam to steam turbine in power plant, is firepower hair
One of one of main heat power equipment of power plant, most important index is exactly prolonged safe and stable operation.In station boiler
Most of component long service under the environment such as high temperature, high pressure, different degrees of deterioration can occur for metal material, serious to draw
Send out safety accident.Stable operation during to ensure that each pressure-containing member can be long as required needs to carry out each component regular during service
It examines.Conventional non-destructive testing can be detected under the premise of not injury device or component structural integrity in or surface
The defects of, and the mechanical property of material can not be obtained, such as the indexs such as tensile strength, yield strength, fracture toughness.To conventional drawing
It stretches experiment, impact test, fracture toughness test etc. and can obtain the mechanical property of material and be still required for a large amount of test material
And belong to destructive sampling test.Based on above deficiency, small punch test (i.e. SP methods) damages the advantages of sampling since its is micro-
And it is widely studied.
At present, the heating of SP experimental rigs, heat preservation use heating furnace, and the jumper bar, collet, test specimen of experimental rig etc. is whole
Body is wrapped in inside heating furnace, need to be adjusted, debug after can be tested.Due to using whole heating, pacifying in debugging
It is very inconvenient and time-consuming very long during dress；In addition, whole heating is longer with heating time, warming and cooling rate is slow and manufactures cost
Height, occupied space are big；Whole heating is to jumper bar quality requirement height, if being performed for more than 700 DEG C of SP experiments, punch material can be sent out
Raw aging deformation, result of the test cannot reach expected requirement.
Therefore, how to shorten the adjustment and installation time of station boiler small punch test device, become those skilled in the art
The technical issues of urgently to be resolved hurrily.
Invention content
In view of this, the technical problems to be solved by the invention are how to shorten the tune of station boiler small punch test device
The set-up time is tried, for this purpose, the present invention provides a kind of station boiler small punch test devices.
To achieve the above object, the present invention provides following technical solution：
A kind of station boiler small punch test device, including pedestal, collet, jumper bar and heating element, the collet setting
On the pedestal, the collet and the pedestal are provided with the mounting groove for installing test specimen, and the jumper bar is clamped in the collet
In, insulated tank is provided at the collet and pedestal position corresponding with the mounting groove periphery, is filled out in the insulated tank
Filled with the first adiabatic filled layer, the heating element is arranged on wall surface of the insulated tank close to the mounting groove, the thermal insulation
Slot is provided with the first heat insulating coat on the wall surface far from the mounting groove；The outer surface of the pedestal and the collet is coated with second
Heat insulating coat.
Preferably, in above-mentioned station boiler small punch test device, the jumper bar is located at the position on the collet
It is enclosed with thermal insulating warm-keeping layer.
Preferably, in above-mentioned station boiler small punch test device, the jumper bar is located at first thermal insulating warm-keeping layer
Above position is coated with third heat insulating coat.
Preferably, in above-mentioned station boiler small punch test device, in the wire guide on the pedestal and the collet
Filled with the second adiabatic filled layer.
Preferably, it is heat-insulated to be coated with the 4th in above-mentioned station boiler small punch test device, on the hole wall of the wire guide
Coating.
Preferably, in above-mentioned station boiler small punch test device, the described first adiabatic filled layer, the adiabatic heat-insulation
Layer and the described second adiabatic filled layer are aeroge composite nano thermal insulation filled layer or nanometer superadiabatic filled layer.
Preferably, in above-mentioned station boiler small punch test device, first heat insulating coat, the second heat-insulated painting
Layer, the third heat insulating coat and the 4th heat insulating coat are nano transparent insulating coating layer.
Preferably, in above-mentioned station boiler small punch test device, steel joist, the steel are provided in the insulated tank
Keel, which are staggered, to be arranged symmetrically.
Preferably, in above-mentioned station boiler small punch test device, the steel joist and the pedestal and collet are permanent
Connection.
Preferably, in above-mentioned station boiler small punch test device, the heating element is provided with thermocouple.
Preferably, in above-mentioned station boiler small punch test device, the mode of the compacting for roller rolling compacting or
Vibrations compacting.
It can be seen from the above technical scheme that the station boiler small punch test device of the present invention, the collet and institute
It states and insulated tank is provided at pedestal position corresponding with the mounting groove periphery, filled with the first adiabatic filling in the insulated tank
Layer, the heating element are arranged on wall surface of the insulated tank close to the mounting groove, and the insulated tank is far from the mounting groove
Wall surface on be provided with the first heat insulating coat；The outer surface of the pedestal and the collet is coated with the second heat insulating coat.Thus may be used
See, station boiler small punch test device in the present invention, heated just for test specimen and pass through the adiabatic filled layer of setting first,
First heat insulating coat and the second heat insulating coat improve the heat insulation effect of equipment, therefore, can reduce the volume of whole equipment, substantially without
Installation and debugging are needed, shorten the adjustment and installation time of station boiler small punch test device.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
The schematic cross-sectional view of a kind of station boiler small punch test device that Fig. 1 is provided by the embodiment of the present invention；
The structural representation of the insulated tank of a kind of station boiler small punch test device that Fig. 2 is provided by the embodiment of the present invention
Figure.
In diagram, 1 it is pedestal, 2 is collet, 3 is jumper bar, 4 is heating element, 5 is insulated tank, 6 is mounting groove, 7 is examination
Part, 8 be wire guide, 9 be thermocouple, 10 be steel joist, 101 be the first adiabatic filled layer, 102 be the second adiabatic filled layer, 103
For thermal insulating warm-keeping layer.
Specific embodiment
For this purpose, the core of the present invention is to provide a kind of station boiler small punch test device, it is small to shorten station boiler
The adjustment and installation time of impact bar test device.
In addition, embodiments illustrated below does not play any restriction effect to the invention described in the claims content.In addition,
The full content of composition represented by example below is not limited to must as the solution of the invention described in the claims
It needs.
Referring to Fig. 1, the station boiler small punch test device, including pedestal 1, collet 2, jumper bar 3 and heating element 4,
Collet 2 is arranged on pedestal 1, and collet 2 and pedestal 1 are provided with the mounting groove 6 for installing test specimen 7, and jumper bar 3 is clamped in collet 2, press from both sides
First 2 and the position corresponding with 6 periphery of mounting groove of pedestal 1 at be provided with insulated tank 5, adiabatic filled filled with first in insulated tank 5
Layer 101, heating element 4 is arranged on wall surface of the insulated tank 5 close to mounting groove 6, and insulated tank 5 is set on the wall surface far from mounting groove 6
There is the first heat insulating coat；The outer surface of pedestal 1 and collet 2 is coated with the second heat insulating coat.
It can be seen that station boiler small punch test device in the present invention, is heated just for test specimen 7 and passes through setting
First adiabatic filled layer 101, the first heat insulating coat and the second heat insulating coat improve the heat insulation effect of equipment, therefore, can reduce whole
The volume of a equipment substantially without installation and debugging, shortens the adjustment and installation time of station boiler small punch test device.
In order to optimize said program, the position that jumper bar 3 is located on collet 2 is enclosed with thermal insulating warm-keeping layer 103.When heat from
When collet 2 and the gap of jumper bar 3 are lost in, under the action of thermal insulating warm-keeping layer 103, heat can be reduced and scattered and disappeared.
Further, jumper bar 3 is located at the position of the first more than 103 thermal insulating warm-keeping layer and is coated with third heat insulating coat.In third
Under the action of heat insulating coat, it is capable of the loss of further trap heat.
In addition, since heating element 4 needs connecting wire, it is provided on pedestal 1 and collet 2 for conducting wire
Pilot hole, scatter and disappear from wire guide 8 to reduce heat, it is adiabatic filled with second in wire guide 8 on pedestal 1 and collet 2
Filled layer 102.Further, it is coated with the 4th heat insulating coat on the hole wall of wire guide 8.
First adiabatic filled layer 101, the adiabatic filled layer 102 of thermal insulating warm-keeping layer 103 and second are aeroge composite nano
Adiabatic filled layer or nanometer superadiabatic filled layer.
Aeroge composite nano thermal insulation filled layer is filled by aeroge plyability nano heat insulating material, main property
It can include：High temperature resistant is used for a long time temperature and is up to 1000 DEG C；Thermal conductivity factor, less than conventional 2-6 times of heat-insulating material；Robustness,
Heat guard permanent layer, more than 5-10 can be；Economical and energy saving, it is more energy saving 10- than conventional material less than same kind of products at abroad 50%
30%；Thermal conductivity of the material in 200 DEG C and 800 DEG C of hot-face temperature is respectively down to 0.025w/m.k and 0.038w/m.k.
Nanometer superadiabatic filled layer is filled by nano super heat-insulating material, and main performance includes：In material almost
All holes all should be in below 100nm；The pore size of most of (more than 80%) all should in material<50nm；Material should have
There is very low bulk density；Material should also have preferable high temperature resistance；Thermal conductivity factor is extremely low, micro-nano ultra heat insulating material
Thermal conductivity factor is in 0.00011W/m.k.
And the first heat insulating coat, the second heat insulating coat, third heat insulating coat and the 4th heat insulating coat is are applied by insulating moulding coating
It covers, preferably by nano transparent insulating coating layer, which is applied by nano transparent insulating coating
It covers.The nano transparent insulating coating uses advanced production technology by nanometer tungsten oxide, TiO2It is adapted in metal etc.
The nano-coating material of surface coating.The nanometer tungsten oxide of the transparency plays absorption near infrared ray and barrier ultraviolet light function；It receives
Rice tungsten oxide stable chemical performance, it is small to physical change caused by the external environments such as heat, humidity, so can keep permanent
Semi-conducting material, the coating material and base material have fabulous compatibility, sprawl, flow leveling it is good, strong adhesive force does not take off persistently
It falls；Nano transparent insulating coating safety and environmental protection, all the components are nano-inorganic substance, are a kind of novel environmental protection coating materials.
Referring to Fig. 2, stabilization and intensity to ensure device, the setting steel joist 10 in insulated tank 5, steel joist 10 is non-to be
Penetrability, size is less than 5 length of insulated tank, is staggered and is arranged symmetrically, to effectively reduce thermal loss.Steel joist 10 and pedestal 1
It is permanently connected with the use of collet 2, it is integrally formed using welding manner or mold.
Heating element 4 is provided with thermocouple 9,7 temperature of test specimen is enabled to require temperature ± 5 DEG C model using thermocouple 9
In enclosing, to eliminate influence of the temperature deviation to result of the test.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (10)
1. a kind of station boiler small punch test device, including pedestal (1), collet (2), jumper bar (3) and heating element (4), institute
It states collet (2) to be arranged on the pedestal (1), the collet (2) and the pedestal (1) are provided with the installation for installing test specimen (7)
Slot (6), the jumper bar (3) are clamped in the collet (2), which is characterized in that the collet (2) and the pedestal (1) and institute
It states and insulated tank (5) is provided at the corresponding position in mounting groove (6) periphery, filled with the first adiabatic filling in the insulated tank (5)
Layer (101), the heating element (4) are arranged on wall surface of the insulated tank (5) close to the mounting groove (6), the insulated tank
(5) it is provided with the first heat insulating coat on the wall surface far from the mounting groove (6)；The pedestal (1) and the appearance of the collet (2)
Face is coated with the second heat insulating coat.
2. station boiler small punch test device as described in claim 1, which is characterized in that the jumper bar (3) is positioned at described
Position on collet (2) is enclosed with thermal insulating warm-keeping layer (103).
3. station boiler small punch test device as claimed in claim 2, which is characterized in that the jumper bar (3) is positioned at described
Position more than first thermal insulating warm-keeping layer (103) is coated with third heat insulating coat.
4. station boiler small punch test device as claimed in claim 3, which is characterized in that the pedestal (1) and the folder
Filled with the second adiabatic filled layer (102) in wire guide (8) on head (2).
5. station boiler small punch test device as claimed in claim 4, which is characterized in that the hole wall of the wire guide (8)
On be coated with the 4th heat insulating coat.
6. station boiler small punch test device as claimed in claim 5, which is characterized in that the described first adiabatic filled layer
(101), the thermal insulating warm-keeping layer (103) and the second adiabatic filled layer (102) are filled for the thermal insulation of aeroge composite nano
Layer or nanometer superadiabatic filled layer.
7. station boiler small punch test device as claimed in claim 6, which is characterized in that first heat insulating coat, institute
The second heat insulating coat, the third heat insulating coat and the 4th heat insulating coat are stated as nano transparent insulating coating layer.
8. the station boiler small punch test device as described in any one of claim 1 to 7, which is characterized in that the thermal insulation
Steel joist (10) is provided in slot (5), the steel joist (10), which is staggered, to be arranged symmetrically.
9. station boiler small punch test device as claimed in claim 5, which is characterized in that the steel joist (10) with it is described
Pedestal (1) and collet (2) are permanently connected.
10. station boiler small punch test device as described in claim 1, which is characterized in that heating element (4) setting
There is thermocouple (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213959.1A CN108225903A (en) | 2018-03-15 | 2018-03-15 | A kind of station boiler small punch test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213959.1A CN108225903A (en) | 2018-03-15 | 2018-03-15 | A kind of station boiler small punch test device |
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| Publication Number | Publication Date |
|---|---|
| CN108225903A true CN108225903A (en) | 2018-06-29 |
Family
ID=62659415
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810213959.1A Pending CN108225903A (en) | 2018-03-15 | 2018-03-15 | A kind of station boiler small punch test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580348A (en) * | 2018-12-07 | 2019-04-05 | 北京工业大学 | Material mechanical property in-situ test device and its test macro |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580348A (en) * | 2018-12-07 | 2019-04-05 | 北京工业大学 | Material mechanical property in-situ test device and its test macro |
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Application publication date: 20180629 |