CN107525717A - A kind of high temperature direct shear apparatus - Google Patents
A kind of high temperature direct shear apparatus Download PDFInfo
- Publication number
- CN107525717A CN107525717A CN201711011416.3A CN201711011416A CN107525717A CN 107525717 A CN107525717 A CN 107525717A CN 201711011416 A CN201711011416 A CN 201711011416A CN 107525717 A CN107525717 A CN 107525717A
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- Prior art keywords
- high temperature
- box
- perforate
- electric furnace
- base
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Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 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 6
- 239000000463 material Substances 0.000 claims description 8
- 229910052593 corundum Inorganic materials 0.000 claims description 5
- 239000010431 corundum Substances 0.000 claims description 5
- 239000011449 brick Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 abstract description 18
- 238000012360 testing method Methods 0.000 abstract description 12
- 238000010008 shearing Methods 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000010792 warming 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
-
- 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
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- 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 Or Analyzing Materials Using Thermal Means (AREA)
Abstract
At present, the solid particulate system shearing test of indoor progress is all carried out at ambient temperature, and in Practical Project, and many solid particles are all in hot environment, so needing a kind of device for measuring the anti-shearing characteristic of solid particulate system under the high temperature conditions.For this, a kind of high temperature direct shear apparatus provided by the invention, including catch bar, base, down cut box, upper shear box, dial gauge, vertical load bar, ball, connecting rod, ring of measuring one's own ability, high temperature electric furnace, furnace wall, heating element heater, temperature element, temperature control device, fire door, pedestal, sample etc., the direct shear test of solid particulate system can be carried out under the high temperature conditions, the anti-shearing characteristic of solid particle during the accurate measurement condition of high temperature.
Description
Technical field
The present invention relates to a kind of direct shear apparatus, and in particular to the direct shear test of the solid particulate system under high temperature.
Background technology
The shear strength of solid particulate system is the limit capacity of solid particle resistance failure by shear, is in Solid Mechanics
One of important index.Direct shear test is to measure the main experimental means of sample shear strength, due to simple to operate, applicable model
Enclose and extensively, be widely used in domestic and international project design and construction and the test of the solid particulate system shear strength in other field.
At present, the solid particulate system shearing test of indoor progress is all carried out under normal temperature condition, also has researcher to carry
Go out and shearing test is carried out under temperature match curing conditions, as carried in patent No. CN106442103A (applying date 2016.07.06) patents
A kind of direct shear apparatus of the alternating temperature gone out, but the patent is its temperature model in order to study the boundary strength of refuse landfill pad system
Only -20 DEG C ~ 80 DEG C are enclosed, Applicable temperature scope is relatively low.And in Practical Project, many solid particles are all in hot environment
In, such as in the combustion process of station boiler, because the fusing point of ash particle is relatively low, it is easy to the slagging on heating surface tube wall, drop
Low boiler efficiency, it is necessary to the clinker on heating surface is removed using steam sootblower, for the more serious region of Slagging Characteristics very
To needing just remove using waterpower soot blowing.Therefore, the anti-shearing characteristic of high temperature slag body is measured, to accurately selecting steam
Or the fluid properties of waterpower soot blowing, and then the economy of raising boiler controller system and security have important directive significance.And mesh
The preceding anti-shear performance experiment for high temperature slag body yet there are no correlation meter.
In addition, the mechanical characteristic of the concrete construction of scene of fire at high temperature is easy to deteriorate, for building structure
Safety has material impact, and does not have the shear strength device that can measure solid particulate system under hot conditions also at present.
The content of the invention
In order to solve problems of the prior art, it is an object of the invention to：A kind of high temperature direct shear apparatus is provided, can
Realize the mechanical and physical character that different solid particulate systems are tested under 400-900 DEG C of hot conditions.
In order to achieve the above object, the technical solution adopted in the present invention is：
A kind of high temperature direct shear apparatus provided by the invention, including catch bar 1, base 2, down cut box 3, upper shear box 4, dial gauge 5,
Vertical load bar 6, ball 7, connecting rod 8, ring 9 of measuring one's own ability, high temperature electric furnace 10, furnace wall 11, heating element heater 12, temperature element
13rd, temperature control device 14, fire door 15, pedestal 16, sample 17 etc., the base 2, down cut box 3, upper shear box 4, ball 7 are placed in
In the burner hearth of the high temperature electric furnace 10, the catch bar 1, base 2, down cut box 3, upper shear box 4, vertical load bar 6,
Ball 7, connecting rod 8 are formed using corundum material cast, and the furnace wall 11 uses high-strength fireproof brick.
The high temperature electric furnace 10 is added in the both sides of furnace wall 11, top and rear perforate, the catch bar 1 by high-temperature electric
The perforate in the left side of hot stove 10 is connected to base 2.
The burner hearth bottom of the high temperature electric furnace 10 places ball 7, and the centre of base 2, which opens up, can fix down cut box 3
Groove, base 2 can move freely on ball 7.
The vertical load bar 6 connects dial gauge 5 and upper shear box 4 by the perforate of the top of high temperature electric furnace 10.
The connecting rod 8 connects upper shear box 4 and ring 9 of measuring one's own ability, the amount by the perforate on the right side of high temperature electric furnace 10
Power ring 9 is fixed on the pedestal 16 in the outside of high temperature electric furnace 10.
The heating element heater 12 is arranged symmetrically in burner hearth both sides, and temperature element 13 is arranged in by the perforate at the rear of furnace wall 11
Close to down cut box 3 and the position of center line of upper shear box 4, the equidistant placement of heating element heater 12 with both sides.
The heating element heater 12 and temperature element 13 are connected to temperature control device 14 by the perforate at furnace wall rear, can accurately adjust
In-furnace temperature is saved to setting value.
Compared to the prior art, the present invention has advantages below.
1st, high temperature direct shear apparatus of the invention can be realized straight under 400-900 DEG C of hot conditions according to different temperatures needs
Scissor test, obtains the anti-shear performance of solid particulate system under hot environment, safety to building structure such as scenes of fire,
Safely and efficiently operation has great importance to station boiler.
2nd, the high-temperature heating element of high temperature direct shear apparatus of the present invention all uses corundum material, high intensity and good under hot conditions
Chemical stability make material that thermal deformation not occur in shear history, the accuracy of test data can be fully ensured that.
3rd, the heating element heater 12 of high temperature direct shear apparatus of the present invention is arranged symmetrically in burner hearth both sides, makes Temperature Distribution in stove more
Uniformly, the temperature when mode of temperature element 13 and the equidistant placement of both sides heating element heater 12 can accurately measure direct shear test.
4th, on the one hand furnace wall 11 of the invention ensures that the temperature inside burner hearth maintains using the refractory brick material of high intensity
Setting value, the ring 9 that on the other hand avoids measuring one's own ability are influenceed in measurement process by hot environment, it is ensured that apparatus measures it is accurate
Property.
Brief description of the drawings
Fig. 1 is a kind of front view of high temperature direct shear apparatus of the present invention.
Fig. 2 is a kind of top view of high temperature direct shear apparatus of the present invention.
In figure, 1- catch bars, 2- bases, 3- down cut boxes, the upper shear boxs of 4-, 5- dial gauges, 6- vertical load bars, 7- rollings
Pearl, 8- connecting rods, 9- measure one's own ability ring, 10- high temperature electric furnaces, 11- furnace walls, 12- heating element heaters, 13- temperature elements, 14- temperature controls
Device, 15- fire doors, 16- pedestals, 17- samples.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Such as Fig. 1, a kind of high temperature direct shear apparatus of the present invention, including catch bar 1, base 2, down cut box 3, upper shear box 4, percentage
Table 5, vertical load bar 6, ball 7, connecting rod 8, ring 9 of measuring one's own ability, high temperature electric furnace 10, furnace wall 11, heating element heater 12, thermometric member
Part 13, temperature control device 14, fire door 15, pedestal 16, sample 17 etc., the high temperature electric furnace 10 respectively the both sides of furnace wall 11, on
Side and rear perforate, the catch bar 1 are connected to base 2 by the perforate in the left side of high temperature electric furnace 10；The high-temperature electric adds
The burner hearth bottom of hot stove 10 places ball 7, and the centre of the base 2 opens up the groove that can fix down cut box 3, the base 2
It can be moved freely on ball 7；The vertical load bar 6 connects the He of dial gauge 5 by the perforate of the top of high temperature electric furnace 10
Upper shear box 4；The connecting rod 8 connects upper shear box 4 and ring 9 of measuring one's own ability, the amount by the perforate on the right side of high temperature electric furnace
Power ring 9 is fixed on the pedestal 16 in the outside of high temperature electric furnace 10.
The catch bar 1, base 2, down cut box 3, upper shear box 4, vertical load bar 6, ball 7, connecting rod 8 are using resistance to
The corundum material cast of high temperature forms, and corundum material has high intensity and good chemical stability, in continuous warming or cooling
During, it will not expand or deform with temperature, so as to accurately obtain the anti-shearing of solid particulate system by ring 9 of measuring one's own ability
Intensity.
The both sides of the inside furnace wall 11 of high temperature electric furnace 10 are arranged symmetrically heating element heater 12, so that the temperature in stove
Distribution is more uniform, and heating element heater 12 can make the temperature in stove be increased to 900 DEG C；The temperature element 13 passes through furnace wall rear
Perforate is positioned close to the position of center line of lower direct shear box 3 and upper direct shear box 4, the equidistant placement of heating element heater 12 with both sides, from
And temperature during accurate measurement direct shear test, the furnace wall 11 use high-strength fireproof brick, on the one hand, ensure experiment process
Temperature in middle stove maintains steady state value, and on the other hand avoid ring 9 of measuring one's own ability is influenceed in measurement process by hot environment.
The heating element heater 12 and temperature element 13 are connected to temperature control device 14, the thermometric by the perforate at furnace wall rear
The temperature feedback that element 13 measures, can be accurately in regulating stove by the control heating element heater 12 of temperature control device 14 to temperature control device 14
Temperature is to setting value.
The catch bar 1, vertical load bar 6, connecting rod 8 are all the perforate connection outside and internal dress by furnace wall 11
Put, and the cut resistance test of solid particulate system is a microcosmic process, in order to accurately obtain the shearing resistance of solid particulate system
Characteristic is cut, the wall of the catch bar 1, vertical load bar 6, connecting rod 8 not with the tapping of furnace wall 11 contacts.
Claims (2)
1. a kind of high temperature direct shear apparatus, including catch bar（1）, base（2）, down cut box（3）, upper shear box（4）, dial gauge（5）、
Vertical load bar（6）, ball（7）, connecting rod（8）, ring of measuring one's own ability（9）, high temperature electric furnace（10）, furnace wall（11）, heating element heater
（12）, temperature element（13）, temperature control device（14）, fire door（15）, pedestal（16）, sample（17）Deng the high temperature electric furnace
（10）Respectively in furnace wall（11）Both sides, top and rear perforate, the catch bar（1）Pass through high temperature electric furnace（10）Left side
Perforate is connected to base（2）；The high temperature electric furnace（10）Burner hearth bottom place ball（7）, the base（2）Centre
Down cut box can be fixed by opening up（3）Groove, the base（2）Can be in ball（7）On move freely；The vertical load bar
（6）Pass through high temperature electric furnace（10）The perforate connection dial gauge of top（5）With upper shear box（4）；The connecting rod（8）Pass through
High temperature electric furnace（10）The upper shear box of perforate connection on right side（4）With ring of measuring one's own ability（9）；The temperature element（13）Pass through furnace wall
The perforate at rear is positioned close to down cut box（3）With upper shear box（4）Position of center line, the heating element heater with both sides（12）
Equidistant placement；The heating element heater（12）And temperature element（13）Temperature control device is connected to by the perforate at furnace wall rear（14）.
A kind of 2. high temperature direct shear apparatus according to claim 1, it is characterised in that：The catch bar（1）, base（2）, under cut
Cut box（3）, upper shear box（4）, vertical load bar（6）, ball（7）, connecting rod（8）All it is made of corundum material；The stove
Wall（11）Using high-strength fireproof brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011416.3A CN107525717A (en) | 2017-10-26 | 2017-10-26 | A kind of high temperature direct shear apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011416.3A CN107525717A (en) | 2017-10-26 | 2017-10-26 | A kind of high temperature direct shear apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107525717A true CN107525717A (en) | 2017-12-29 |
Family
ID=60685431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711011416.3A Pending CN107525717A (en) | 2017-10-26 | 2017-10-26 | A kind of high temperature direct shear apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107525717A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020125969A (en) * | 2019-02-04 | 2020-08-20 | 新東工業株式会社 | Parameter acquisition method and sand mold single shear tester |
| CN111735691A (en) * | 2020-08-11 | 2020-10-02 | 吉林大学 | Oil gas collection and thermal coupling shear rheology testing device during oil shale temperature-changing pyrolysis |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175743A (en) * | 2013-03-13 | 2013-06-26 | 张金荣 | Multifunctional shear apparatus for asphalt pavement |
| CN104316439A (en) * | 2014-10-28 | 2015-01-28 | 东北大学 | Device and method for determining rheological properties of high-temperature metallurgy molten slag |
| CN205138908U (en) * | 2015-11-13 | 2016-04-06 | 河南城建学院 | Novel asphaltic sands shearing test device |
| CN105751390A (en) * | 2016-03-24 | 2016-07-13 | 中国科学院武汉岩土力学研究所 | Cutting device and geomaterial direct shear apparatus |
| CN106124559A (en) * | 2016-07-08 | 2016-11-16 | 哈尔滨工业大学 | ORC is at 500～1500 DEG C of interval antioxygenic property test devices |
| CN206281807U (en) * | 2016-11-28 | 2017-06-27 | 辽宁科技大学 | A kind of high-temperature slag basic property test device |
| CN207351798U (en) * | 2017-10-26 | 2018-05-11 | 新疆大学 | A kind of direct shear apparatus |
-
2017
- 2017-10-26 CN CN201711011416.3A patent/CN107525717A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175743A (en) * | 2013-03-13 | 2013-06-26 | 张金荣 | Multifunctional shear apparatus for asphalt pavement |
| CN104316439A (en) * | 2014-10-28 | 2015-01-28 | 东北大学 | Device and method for determining rheological properties of high-temperature metallurgy molten slag |
| CN205138908U (en) * | 2015-11-13 | 2016-04-06 | 河南城建学院 | Novel asphaltic sands shearing test device |
| CN105751390A (en) * | 2016-03-24 | 2016-07-13 | 中国科学院武汉岩土力学研究所 | Cutting device and geomaterial direct shear apparatus |
| CN106124559A (en) * | 2016-07-08 | 2016-11-16 | 哈尔滨工业大学 | ORC is at 500～1500 DEG C of interval antioxygenic property test devices |
| CN206281807U (en) * | 2016-11-28 | 2017-06-27 | 辽宁科技大学 | A kind of high-temperature slag basic property test device |
| CN207351798U (en) * | 2017-10-26 | 2018-05-11 | 新疆大学 | A kind of direct shear apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020125969A (en) * | 2019-02-04 | 2020-08-20 | 新東工業株式会社 | Parameter acquisition method and sand mold single shear tester |
| JP7246631B2 (en) | 2019-02-04 | 2023-03-28 | 新東工業株式会社 | How to get parameters |
| CN111735691A (en) * | 2020-08-11 | 2020-10-02 | 吉林大学 | Oil gas collection and thermal coupling shear rheology testing device during oil shale temperature-changing pyrolysis |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171229 |
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| RJ01 | Rejection of invention patent application after publication |