CN105004664B - A kind of test device for measuring intumescent material swells pressure and temperature - Google Patents
A kind of test device for measuring intumescent material swells pressure and temperature Download PDFInfo
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- CN105004664B CN105004664B CN201510486292.9A CN201510486292A CN105004664B CN 105004664 B CN105004664 B CN 105004664B CN 201510486292 A CN201510486292 A CN 201510486292A CN 105004664 B CN105004664 B CN 105004664B
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Abstract
It is a kind of to measure intumescent material swells pressure and the test device of temperature, it is related to coal mine gas pump drainage technical field.Elastic expansion tank and rigid expansion drum are provided with the test device of the present invention, elastic expansion tank and rigid expansion drum are provided with pressure sensor and temperature sensor, and pressure sensor and temperature sensor are connected by cable with sensing recipient.Test technology of the present invention is simple, measuring accuracy is high and reusable, and can measure the turgor pressure and reaction temperature of non-damaging stage and injury stage respectively.
Description
Technical field
Pressed and temperature the present invention relates to coal mine gas pump drainage technical field, more particularly to a kind of intumescent material swells that measure
Test device.
Background technology
Expanding material is a kind of non-harmful broken material, has been widely used in the fields such as stone mining, catalase,
Mining and improvement field are being extended to, wherein turgor pressure is for weighing the topmost performance indications of expanding material, directly
It is related to exploitation effect.In addition, the hydration reaction of expanding material is greatly influenced by temperature, it is too fast in more than 40 DEG C aquations of high temperature,
Easy spray orifice；Below 0 DEG C, aquation is too slow, crushing effect extreme difference.The test to intumescent material swells pressure, the more commonly used at present
Method have outer tube method, interior tube method and a pressure sensor, and these three method of testings be using foil gauge measure reaction should
Variate, so as to draw turgor pressure.The shortcoming of these measuring methods is that test technology is complicated, and test result precision is not high, and release is big
Calorimetric amount, endangers big, it is impossible to reuse, so as to improve cost, it is most important that expanding material is acted on to electronic component
Be broken thing when form damage zone, stress release is produced inside damage zone, reduces expansion resistance, so these three methods can not
True measurement turgor pressure and temperature.
The content of the invention
The problem of existing for prior art, a kind of test technology of present invention offer is simple, measuring accuracy is high and repeatable
The measurement intumescent material swells pressure and the test device of temperature used, and non-damaging stage and injury stage can be measured respectively
Turgor pressure and reaction temperature.
The technical solution used in the present invention is：
A kind of test device for measuring intumescent material swells pressure and temperature, including elastic expansion tank and rigid expansion drum, its
Feature is that described elastic expansion tank and rigid expansion drum are provided with pressure sensor and temperature sensor, pressure sensor and
Temperature sensor is connected by cable with sensing recipient.
The elastic expansion tank is internally provided with hydraulic pressure capsule, hydraulic pressure capsule connection hydralic pressure gauge and sensor, by two-way
Volume adjustable hydraulic pump increases pressure.
The elastic expansion tank hydrostatic sensor is connected with sensing recipient.
The elastic expansion tank is identical with the outer internal diameter size of rigid expansion drum, and length is identical.
The elastic expansion tank and rigid expansion drum two ends are respectively with the screw thread with pressure sensor and temperature sensor
Lid sealing, each size of threaded cap is identical.
Using the method for testing of the test device of described measurement intumescent material swells pressure and temperature, comprise the following steps：
Step one：Threaded cap with pressure sensor is screwed in tank body, it is ensured that sealing is tight；
Step 2：Using hydraulic pump to the hydraulic pressure capsule of elastic expansion tank through row pressurising, it is ensured that pressure is in 0~0.1Mpa；
Step 3：Expanding material is loaded in two tanks simultaneously, and static breaking agent consolidated smooth, it is ensured that expanding material
Full of tank body；
Step 4：Quick fastening carries the threaded cap of temperature sensor, it is ensured that tighten sealing；
Step 5：Reaction starts, and the meeting of expanding material slowly expands, temperature rise, in non-injury stage, rigid expansion drum
Interior expanding material is longitudinally and radially constrained, and pressure sensor and temperature sensor can record the pressure and temperature of turgor pressure
Number of degrees value；
Step 6：Over time, turgor pressure more and more higher, reaches the expansion in injury stage, elastic expansion tank
Material starts squeezed fluid moulding capsule, and capsule starts compressive deformation, and volume starts increase, hydrostatic sensor, pressure sensor and temperature
Degree sensor can record the pressure and temperature numerical value of turgor pressure；
Step 7：The pressure value for the turgor pressure that pressure sensor is recorded is calculated by formula, that is, obtains expanding material
Expect the size of turgor pressure.
Beneficial effects of the present invention：
1. the present invention is compared with prior art, test technology is simple, without complicated strain gauge adhesion, temperature reduction technology, surveys
With low cost, good airproof performance is tried, it is reusable.
2. the present invention is compared with prior art, directly test what static breaking agent was produced in socket by pressure sensor
Turgor pressure, effectively prevent the influences of the ill effect to test result such as the thermal output that expanding material is produced with water exothermic heat of reaction.
3. the present invention is compared with prior art, temperature sensor and pressure sensor can directly read temperature and turgor pressure number
According to improving measuring accuracy.
4. the present invention is compared with prior art, turgor pressure and the reaction of non-damaging stage and injury stage can be measured respectively
Temperature, and draw the relation between reaction temperature and turgor pressure.
Brief description of the drawings
Fig. 1 presses the test device structural representation with temperature for a kind of measurement intumescent material swells of the present invention；
Fig. 2 is the handling figure that the present invention is elastic expansion tank and rigid expansion drum；
The turgor pressure that Fig. 3 is obtained in the instantiation for the test device of the present invention in non-damaging stage and injury stage
Curve map；
The curve map for the temperature that Fig. 4 is obtained in the instantiation for the test device of the present invention.
In figure, 1- temperature sensors, 2- pressure sensors, 3- expanding materials, 4- hydralic pressure gauges, 5- bidirectional variable hydraulic pumps,
6- senses reception system, 7- hydrostatic sensors, 8- hydraulic pressure capsules, 9- elastic expansion tanks, 10- rigidity expansion drums.
Embodiment
Referring to the drawings and embodiment the present invention will be described in detail：
Intumescent material swells pressure and the test device of temperature are measured as shown in figure 1, a kind of, including elastic expansion tank 9 and just
Property expansion drum 10 in temperature sensor 1, pressure sensor 2, hydralic pressure gauge 4, bidirectional variable hydraulic pump 5 and hydrostatic sensor 7 are logical
Cross cable and be connected to sensing reception system 6.
The elastic expansion tank hydrostatic sensor 9 is internally provided with hydraulic pressure capsule hydrostatic sensor 7, and hydraulic pressure capsule hydraulic pressure is passed
Sensor 8, connection hydralic pressure gauge 4 and sensor 7, pressure is increased by bidirectional variable hydraulic pump 5.
The elastic expansion tank hydrostatic sensor 7 is connected with sensing recipient 6.
The elastic expansion tank 9 is identical with the outer internal diameter size of rigid expansion drum 10, and length is identical.
The elastic expansion tank and rigid expansion drum two ends are respectively with the screw thread with pressure sensor and temperature sensor
Lid sealing, each size of threaded cap is identical.
Using the method for testing of the test device of described measurement intumescent material swells pressure and temperature, comprise the following steps：
Step one：Threaded cap with pressure sensor is screwed in tank body, it is ensured that sealing is tight；
Step 2：Using hydraulic pump to the hydraulic pressure capsule of elastic expansion tank through row pressurising, it is ensured that pressure is in 0~0.1Mpa；
Step 3：The expanding material of the identical proportioning of equivalent is stirred while loading in two tanks, and static state is broken
Broken dose of tamping is smooth, it is ensured that expanding material is full of tank body；
Step 4：Quick fastening carries the threaded cap of temperature sensor, it is ensured that tighten sealing；
Step 5：Reaction starts, and the meeting of expanding material slowly expands, temperature rise, in non-injury stage, rigid expansion drum
Interior expanding material is longitudinally and radially constrained, and pressure sensor and temperature sensor can record the pressure and temperature of turgor pressure
Number of degrees value；
Step 6：Over time, turgor pressure more and more higher, reaches the expansion in injury stage, elastic expansion tank
Material starts squeezed fluid moulding capsule, and capsule starts compressive deformation, and volume starts increase, hydrostatic sensor, pressure sensor and temperature
Degree sensor can record the pressure and temperature numerical value of turgor pressure；
Step 7：The pressure value for the turgor pressure that pressure sensor is recorded is calculated by formula, that is, obtains expanding material
Expect the size of turgor pressure.
Beneficial effects of the present invention are as follows：
1. the present invention is compared with prior art, test technology is simple, without complicated strain gauge adhesion, temperature reduction technology, surveys
With low cost, good airproof performance is tried, it is reusable.
2. the present invention is compared with prior art, directly test what static breaking agent was produced in socket by pressure sensor
Turgor pressure, effectively prevent the influences of the ill effect to test result such as the thermal output that expanding material is produced with water exothermic heat of reaction.
3. the present invention is compared with prior art, temperature sensor and pressure sensor can directly read temperature and turgor pressure number
According to improving measuring accuracy.
4. the present invention is compared with prior art, turgor pressure and the reaction of non-damaging stage and injury stage can be measured respectively
Temperature, and draw the relation between reaction temperature and turgor pressure.
Claims (1)
1. a kind of test device for measuring intumescent material swells pressure and temperature, including elastic expansion tank and rigid expansion drum, it is special
Levying is：Described elastic expansion tank and rigid expansion drum are provided with pressure sensor and temperature sensor, pressure sensor and temperature
Degree sensor is connected by cable with sensing recipient；The elastic expansion tank is internally provided with hydraulic pressure capsule, hydraulic pressure capsule
Hydralic pressure gauge and hydrostatic sensor are connected, pressure is increased by bidirectional variable hydraulic pump；The elastic expansion tank hydrostatic sensor with
Recipient is sensed to be connected；The elastic expansion tank is identical with the outer internal diameter size of rigid expansion drum, and length is identical；The elastic expansion
Tank and rigid expansion drum two ends are sealed with the threaded cap with pressure sensor and temperature sensor respectively, each size phase of threaded cap
Together.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486292.9A CN105004664B (en) | 2015-08-10 | 2015-08-10 | A kind of test device for measuring intumescent material swells pressure and temperature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486292.9A CN105004664B (en) | 2015-08-10 | 2015-08-10 | A kind of test device for measuring intumescent material swells pressure and temperature |
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| CN105004664A CN105004664A (en) | 2015-10-28 |
| CN105004664B true CN105004664B (en) | 2017-09-29 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403343B (en) * | 2015-12-10 | 2018-10-16 | 浙江工业大学 | Device and method for measuring expansion pressure of capsule |
| CN112304743B (en) * | 2020-11-19 | 2022-08-26 | 绍兴文理学院 | Solid spherical shell cracking simulation test device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59120936A (en) * | 1982-12-28 | 1984-07-12 | Toyoda Gosei Co Ltd | Measuring device of swelling pressure |
| CN1301958A (en) * | 1999-12-30 | 2001-07-04 | 中国地质大学（武汉） | Testing method and testing device for expansion pressure of soild expansion material |
| CN1441233A (en) * | 2003-04-08 | 2003-09-10 | 武汉理工大学 | Swelling pressure testing method and device for static rupturing agent |
| CN103323164A (en) * | 2013-06-28 | 2013-09-25 | 东北大学 | Testing system for measuring static cracking agent swelling pressure and testing method thereof |
-
2015
- 2015-08-10 CN CN201510486292.9A patent/CN105004664B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59120936A (en) * | 1982-12-28 | 1984-07-12 | Toyoda Gosei Co Ltd | Measuring device of swelling pressure |
| CN1301958A (en) * | 1999-12-30 | 2001-07-04 | 中国地质大学（武汉） | Testing method and testing device for expansion pressure of soild expansion material |
| CN1441233A (en) * | 2003-04-08 | 2003-09-10 | 武汉理工大学 | Swelling pressure testing method and device for static rupturing agent |
| CN103323164A (en) * | 2013-06-28 | 2013-09-25 | 东北大学 | Testing system for measuring static cracking agent swelling pressure and testing method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 浅谈闭式热水系统中压力式膨胀罐的设置;刘庆;《2011年全国给水排水技术信息网年会论文集》;20111231;全文 * |
| 静态破碎剂膨胀压测定方法的研究;戴丽莱等;《武汉工业大学学报》;19890228(第2期);全文 * |
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