CN107942042B - Aging resistance test device and method for chemical packaging barrel - Google Patents
Aging resistance test device and method for chemical packaging barrel Download PDFInfo
- Publication number
- CN107942042B CN107942042B CN201711194812.4A CN201711194812A CN107942042B CN 107942042 B CN107942042 B CN 107942042B CN 201711194812 A CN201711194812 A CN 201711194812A CN 107942042 B CN107942042 B CN 107942042B
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- packaging barrel
- barrel
- cabinet body
- test device
- rotary table
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 53
- 230000032683 aging Effects 0.000 title claims abstract description 31
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 239000000126 substance Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title description 7
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 229920003023 plastic Polymers 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract description 20
- 229910017604 nitric acid Inorganic materials 0.000 abstract description 20
- 238000002474 experimental method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 9
- 238000010998 test method Methods 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000011056 performance test Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000007605 air drying Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/44—Resins; Plastics; Rubber; Leather
- G01N33/442—Resins; Plastics
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses an aging resistance test device for a chemical packaging barrel, which comprises a cabinet body with a sealed inner cavity and a sealing door, wherein a rotary table is rotatably arranged on the bottom surface of the sealed inner cavity and used for bearing the packaging barrel to be tested, and the rotary table is matched and connected with a rotary driving mechanism; an ultraviolet lamp capable of adjusting wavelength is arranged on one side of the rotary table, and an explosion-proof heating element and a fan are also arranged in the sealed inner cavity; the cabinet body is provided with an exhaust port, the exhaust port is communicated with the pressure release valve and the exhaust pipe, the exhaust pipe is used for communicating the exhaust port, the pressure release valve and a feeding port of a packaging barrel to be tested, and the bottom end of the cabinet body is provided with a liquid outlet. This ageing-resistant test device of chemicals pail pack is through setting up heating member, ultraviolet lamp and carousel simultaneously in sealed inner chamber to stabilize pressure in the bottle through the relief valve, make the service condition more close to the experiment of pail pack, help surveying the influence of nitric acid, ultraviolet light and heating condition to pail pack mechanical properties etc..
Description
Technical Field
The invention relates to an aging resistance test device and a test method for a chemical packaging barrel.
Background
The chemical discharge package is mainly packaged by a plastic barrel, and the actual use process of the packaging barrel is inconsistent due to different use habits and different contents. In the case of nitric acid, the normal use habit is to use up the nitric acid completely, but in the actual use process, the nitric acid is left and exposed to the sun, and the nitric acid after temperature rise decomposes nitrogen oxide gas, and the strong oxidizing nitric acid can accelerate the aging of a clinker packaging barrel under the condition of exposure to the sun. The gas in the bottle of former problem rises accessible bottle lid pressure release, but the latter problem can lead to pail pack material intensity and elasticity to descend, and the fragility increases, has serious potential safety hazard. In addition, the above problems are also inevitable with the packaging of drums during the transport of chemicals. Therefore, strict factory inspection and sampling inspection of the recycling bin are necessary for the chemical packaging barrel to ensure that the potential safety hazard is minimized in the subsequent use process.
The anti-corrosion test process for the plastic barrel in the prior art comprises the following steps: the barrel body is directly placed in the chemical, and after the corrosive chemical is kept at 75 ℃ and immersed for 48 hours, the barrel body is free from any crack, bubble or deformation. The aging resistance test of the plastic barrel comprises a natural exposure test method and an artificial aging test method, wherein the artificial aging test method comprises a heat aging test, an exposure aging test under damp and hot conditions, high-pressure oxygen and high-pressure air heat aging and an artificial weather aging test.
In the prior art, aging resistance test equipment aiming at compound factors is not available specifically for chemical packaging barrels.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an aging resistance test device for a chemical packaging barrel.
In order to realize the technical effects, the technical scheme of the invention is as follows: the aging resistance test device for the chemical packaging barrel is characterized by comprising a cabinet body with a sealed inner cavity and a sealing door, wherein a rotary table is rotatably arranged on the bottom surface of the sealed inner cavity and used for bearing the packaging barrel to be tested, and the rotary table is matched and connected with a rotary driving mechanism; an ultraviolet lamp capable of adjusting wavelength is arranged on one side of the rotary table, and an explosion-proof heating element and a fan are also arranged in the sealed inner cavity; the cabinet body is provided with an exhaust port, the exhaust port is communicated with the pressure release valve and the exhaust pipe, the exhaust pipe is used for communicating the exhaust port, the pressure release valve and a feeding port of a packaging barrel to be tested, and the bottom end of the cabinet body is provided with a liquid outlet.
The turntable drives the packaging barrel to be tested containing the nitric acid to rotate so as to ensure that all parts of the side surface of the packaging barrel are uniformly irradiated. Under the condition of temperature rise and ultraviolet irradiation, nitric acid is decomposed at an accelerated speed, the generated nitrogen oxide gas can increase the pressure in the packaging barrel, the structure can release pressure in time, and the continuous proceeding of the ultraviolet irradiation process is ensured.
The pressure gauge is connected to the packaging barrel to be tested, so that the pressure in the barrel can be monitored in real time. In order to avoid the occurrence of movement interference, the exhaust pipe is connected with the joint of the feeding hole of the packaging barrel to be tested through the rotary joint. The rotary joint can be linear or L-shaped, and for a packaging barrel with only one feed inlet on the top surface, the rotary joint can be connected with an exhaust pipe and a pressure gauge through a conversion joint.
When relief valve or manometer broke down, the defect pail pack can appear spraying nitric acid, can take place to burst most seriously, in order to avoid the nitric acid to splash, preferred technical scheme does, and the carousel top surface is provided with the transparent plastic barrel, and the height of transparent plastic barrel is not less than the height of the pail pack that awaits measuring, and the air outlet of fan corresponds from top to bottom with the uncovered of transparent plastic barrel, is provided with the liquid outlet between transparent plastic barrel bottom and the carousel. Based on actual structure, the liquid outlet setting is in the bottom of transparent plastics barrel, for the ejection of compact of convenient control liquid, and is further, be provided with out the liquid valve on the liquid outlet.
Furthermore, the air inlet of the fan is connected with an air drying filter, so that the phenomenon that water vapor in the sealed cavity is condensed on the transparent plastic cylinder to influence direct ultraviolet light irradiation is avoided, and the aging simulation is inaccurate.
In order to ensure the safety of the test, the preferable technical scheme is that the heating element is a steam coil, and two ends of the steam coil are connected with a feeding mechanism outside the cabinet body.
Generally, the turntable is made of metal, in order to prevent the turntable from reacting with nitric acid and ensure that the nitric acid does not corrode equipment such as a motor and the like, the preferred technical scheme is that a top cover is detachably arranged on the turntable, a transparent plastic cylinder body is fixedly connected with the surface of the top cover, an explosion-proof ring is arranged on the periphery of a driving mechanism of the turntable, an annular overflow groove is arranged on the periphery of the explosion-proof ring, and the bottom end of the overflow groove is communicated with a liquid discharge port; the outer edge of the top cover is arranged in the overflow groove. Nitric acid overflows, flows out from the liquid outlet, is guided into the overflow groove through the outer edge of the top cover and finally flows to the liquid outlet at the bottom end of the cabinet body. The overflow launder groove width is less, can not obstruct the dolly translation, and the dolly of being convenient for transports the pail pack of filling with nitric acid.
In order to facilitate the positioning of the packaging barrel, the top cover is provided with a concave part matched with the bottom end of the packaging barrel.
In order to further facilitate the rapid discharge of the leaked liquid, the preferable technical scheme is that a diversion trench is arranged around the concave part, one end of the diversion trench is communicated with the concave part, and the other end of the diversion trench extends to the edge of the cover surface of the top cover.
Because the plastic packaging barrel shape among the prior art is different, the position of feed port differs, adopt flexible blast pipe to take place the torsion of blast pipe easily, the blast pipe leaks gas easily, in order to make things convenient for the telescopic connection of blast pipe, preferred technical scheme does, the blast pipe forms for stereoplasm pipeline section and flexible pipeline section combination, flexible pipeline section is connected with the gas vent, flexible pipeline section and the stereoplasm pipeline section pot head of being connected with flexible pipeline section are established in the guide cylinder, the top and the internal surface fixed connection of cabinet of guide cylinder, the gas vent, the center pin coincidence of blast pipe and carousel, the inlet end of blast pipe is provided with sharp rotary joint, sharp rotary joint is used for being connected with the exhaust crossover sub of the pail pack feed inlet.
The invention also aims to provide an aging resistance test method for a chemical packaging barrel, which is characterized by comprising the following steps:
s1: placing a packaging barrel to be tested filled with nitric acid with a preset packaging amount and a molar concentration of 70% on a turntable, communicating a pressure gauge and an exhaust pipe on a feeding hole of the packaging barrel to be tested, and positioning the end part of the exhaust pipe above the liquid level of the packaging barrel to be tested;
s2: opening an ultraviolet lamp and a heating element, starting a turntable driving mechanism, carrying out aging treatment on the packaging barrel to be tested for preset time, temperature and ultraviolet wavelength, and opening a pressure release valve to release pressure when the pressure in the packaging barrel to be tested is greater than one atmospheric pressure;
s3: and after the aging treatment is finished, taking out the packaging barrel to be tested, discharging nitric acid in the barrel, cooling for 10-30 min, cleaning and drying, and then carrying out performance test.
Specifically, the predetermined temperature is specifically selected within 20-80 ℃, and the ultraviolet wavelength is specifically selected between 100 and 300 nm.
The preferable technical scheme is that the performance test comprises a stress cracking test, a drop test and a stacking test.
The invention has the advantages and beneficial effects that:
this ageing-resistant test device of chemicals pail pack is through setting up heating member, ultraviolet lamp and carousel simultaneously in sealed inner chamber to stabilize pressure in the bottle through the relief valve, be different from the pail pack single factor test method among the prior art, make the test to the pail pack more press close to service condition, help surveying the influence of nitric acid, ultraviolet light and heating condition to pail pack mechanical properties etc..
Drawings
FIG. 1 is a schematic structural view of an aging resistance test apparatus of an embodiment 1 of a chemical packaging barrel of the present invention;
FIG. 2 is a schematic structural view of example 2.
In the figure: 1. a cabinet body; 2. a turntable; 3. a rotation driving mechanism; 4. an ultraviolet lamp; 5. a heating element; 6. a fan; 7. an exhaust port; 8. a pressure relief valve; 9. an exhaust pipe; 91. a hard pipe section; 92. a telescopic pipe section; 10. a liquid discharge port; 11. a transparent plastic cylinder; 12. a liquid outlet; 13. a top cover; 14. an explosion-proof ring; 15. an overflow trough; 16. a recessed portion; 17. a diversion trench; 18. a guide cylinder; 19. a linear rotary joint.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
As shown in fig. 1, the aging resistance test device for the chemical packaging barrel in the embodiment 1 comprises a cabinet body 1 with a sealed inner cavity, wherein a rotary table 2 is rotatably arranged on the bottom surface of the sealed inner cavity, the rotary table 2 is used for bearing the packaging barrel to be tested, and the rotary table 2 is in fit connection with a rotary driving mechanism 3; an ultraviolet lamp 4 capable of adjusting wavelength is arranged on one side of the rotary table 2, and an explosion-proof heating element 5 and a fan 6 are also arranged in the sealed inner cavity; be provided with gas vent 7 on the cabinet body 1, gas vent 7 and relief valve 8 and blast pipe 9 intercommunication, blast pipe 9 is used for communicateing gas vent 7, relief valve 8 and the feed inlet of the packing barrel that awaits measuring, and the bottom of the cabinet body 1 is provided with leakage fluid dram 10.
The rotary drive mechanism in embodiment 1 includes a motor, a speed reducer, and a gear transmission mechanism.
The carousel top surface is provided with transparent plastic barrel 11, and transparent plastic barrel 11 highly is not less than the height of the packing barrel that awaits measuring, and the air outlet of fan 6 corresponds from top to bottom with transparent plastic barrel 11's uncovered, and transparent plastic barrel 11 bottom is provided with liquid outlet 12.
The heating element 5 is a steam coil, and two ends of the steam coil are connected with a feeding mechanism outside the cabinet body.
In example 1, the surface of the turntable is coated with a layer of anticorrosive film.
Example 2
As shown in fig. 2, embodiment 2 differs from embodiment 1 in that: a top cover 13 is detachably arranged on the rotary table 2, the transparent plastic cylinder 11 is fixedly connected with the surface of the top cover 13, an explosion-proof ring 14 is arranged on the periphery of a driving mechanism of the rotary table 2, an annular overflow groove 15 is arranged on the periphery of the explosion-proof ring 14, and the bottom end of the overflow groove 15 is communicated with the liquid discharge port 10; the outer edge of the top cover 13 is disposed in the overflow groove 15.
The top cover 13 is provided with a concave part 16 matched with the bottom end of the packaging barrel.
A diversion trench 17 is arranged around the recessed portion 16, one end of the diversion trench 17 is communicated with the recessed portion 16, and the other end of the diversion trench 17 extends to the edge of the cover surface of the top cover 13, namely, a liquid outlet is arranged on the top cover of the turntable.
The exhaust pipe 9 is formed by combining a hard pipe section 91 and a telescopic pipe section 92, the telescopic pipe section 92 is connected with the exhaust port 7, the telescopic pipe section 92 and one end of the hard pipe section 91 connected with the telescopic pipe section 92 are sleeved in the guide cylinder 18, the top end of the guide cylinder 18 is fixedly connected with the inner surface of the cabinet body, the central axes of the exhaust port 7, the exhaust pipe 9 and the turntable 2 are overlapped, the air inlet end of the exhaust pipe 9 is provided with a linear rotary joint 19, and the linear rotary joint 19 is used for being connected with an exhaust conversion joint of a feeding port of a.
The aging resistance test method of the chemical packaging barrel comprises the following steps:
s1: placing a packaging barrel to be tested filled with nitric acid with a preset packaging amount and a molar concentration of 70% on a turntable, communicating a pressure gauge and an exhaust pipe on a feeding hole of the packaging barrel to be tested, and positioning the end part of the exhaust pipe above the liquid level of the packaging barrel to be tested;
s2: opening an ultraviolet lamp and a heating element, starting a turntable driving mechanism, carrying out aging treatment on the packaging barrel to be tested for preset time, temperature and ultraviolet wavelength, and opening a pressure release valve to release pressure when the pressure in the packaging barrel to be tested is greater than one atmospheric pressure;
s3: and after the aging treatment is finished, taking out the packaging barrel to be tested, discharging nitric acid in the barrel, cooling for 10-30 min, cleaning and drying, and then carrying out performance test.
The performance tests include stress cracking tests, drop tests, and stacking tests.
When the device is used, nitric acid is filled into a container to be tested, the container to be tested is transferred to the rotary table by using a forklift, the exhaust pipe is communicated with a feed inlet of the container, the pressure gauge and the like are installed, an operator withdraws from the closed inner cavity to start heating, ultraviolet illumination and the rotary table, and preferably, water vapor in the closed inner cavity is removed (an air drying filter inside or outside the cabinet body is used).
Furthermore, a control system is required to be cooperatively arranged to ensure that the control system and the exhaust valve of the corresponding heating element can quickly respond when the temperature and the pressure in the container to be tested reach preset values.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The aging resistance test device for the chemical packaging barrel is characterized by comprising a cabinet body with a sealed inner cavity and a sealing door, wherein a rotary table is rotatably arranged on the bottom surface of the sealed inner cavity and used for bearing the packaging barrel to be tested, and the rotary table is matched and connected with a rotary driving mechanism; an ultraviolet lamp capable of adjusting wavelength is arranged on one side of the rotary table, and an explosion-proof heating element and a fan are also arranged in the sealed inner cavity; the cabinet body is provided with an exhaust port, the exhaust port is communicated with the pressure release valve and an exhaust pipe, the exhaust pipe is used for communicating the exhaust port, the pressure release valve and a feeding hole of a packaging barrel to be tested, and the bottom end of the cabinet body is provided with a liquid outlet;
the top surface of the turntable is provided with a transparent plastic barrel, the height of the transparent plastic barrel is not less than that of the packaging barrel to be tested, an air outlet of the fan vertically corresponds to an opening of the transparent plastic barrel, and a liquid outlet is formed between the bottom end of the transparent plastic barrel and the turntable;
the rotary table is detachably provided with a top cover, the transparent plastic cylinder body is fixedly connected with the surface of the top cover, the periphery of a driving mechanism of the rotary table is provided with an explosion-proof ring, the periphery of the explosion-proof ring is provided with an annular overflow groove, and the bottom end of the overflow groove is communicated with the liquid outlet; the outer edge of the top cover is arranged in the overflow groove.
2. The aging resistance test device for the chemical packaging barrel as claimed in claim 1, wherein the heating element is a steam coil pipe, and two ends of the steam coil pipe are connected with a feeding mechanism outside the cabinet body.
3. The chemical packaging barrel aging resistance test device as claimed in claim 2, wherein the top cover is provided with a concave part matched with the bottom end of the packaging barrel.
4. The aging resistance test device for the chemical packaging barrel as claimed in claim 3, wherein a diversion trench is arranged around the recessed part, one end of the diversion trench is communicated with the recessed part, and the other end of the diversion trench extends to the edge of the cover surface of the top cover.
5. The aging resistance test device for the chemical packaging barrel as claimed in claim 1, wherein the exhaust pipe is formed by combining a hard pipe section and a telescopic pipe section, the telescopic pipe section is connected with the exhaust port, the telescopic pipe section and one end of the hard pipe section connected with the telescopic pipe section are sleeved in the guide cylinder, the top end of the guide cylinder is fixedly connected with the inner surface of the cabinet body, the central axes of the exhaust port, the exhaust pipe and the turntable are coincided, the air inlet end of the exhaust pipe is provided with a linear rotary joint, and the linear rotary joint is used for being connected with an exhaust conversion joint of a feeding port of the.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711194812.4A CN107942042B (en) | 2017-11-24 | 2017-11-24 | Aging resistance test device and method for chemical packaging barrel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711194812.4A CN107942042B (en) | 2017-11-24 | 2017-11-24 | Aging resistance test device and method for chemical packaging barrel |
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| CN107942042A CN107942042A (en) | 2018-04-20 |
| CN107942042B true CN107942042B (en) | 2020-07-07 |
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| CN111610142A (en) * | 2020-06-02 | 2020-09-01 | 浙江工业大学 | Corrosion device for metal corrosion fatigue test |
| CN114354164B (en) * | 2021-12-30 | 2023-12-12 | 宁波市产品食品质量检验研究院(宁波市纤维检验所) | Garbage bin performance detection device |
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| CN102346158A (en) * | 2011-09-19 | 2012-02-08 | 深圳市建筑科学研究院有限公司 | Damp heat aging test device |
| CN105043964A (en) * | 2015-07-16 | 2015-11-11 | 哈尔滨工业大学 | Test apparatus for ultraviolet aging acceleration of asphalt-based materials |
| CN205483952U (en) * | 2016-01-01 | 2016-08-17 | 长安大学 | Light and heat coupling aging test box |
| CN205808891U (en) * | 2016-07-07 | 2016-12-14 | 东莞市顶好新材料科技有限公司 | One is applied to high performance material ultraviolet atmospheric exposure test device |
| CN206146932U (en) * | 2016-09-28 | 2017-05-03 | 山西省交通科学研究院 | Pitch ageing tests device of controllable temperature light water wind |
| CN206504992U (en) * | 2017-02-21 | 2017-09-19 | 科谱研发技术中心（青岛）有限公司 | Plastics heat aging test chamber |
-
2017
- 2017-11-24 CN CN201711194812.4A patent/CN107942042B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004132857A (en) * | 2002-10-11 | 2004-04-30 | Yokohama Rubber Co Ltd:The | Heat aging test device |
| CN102346158A (en) * | 2011-09-19 | 2012-02-08 | 深圳市建筑科学研究院有限公司 | Damp heat aging test device |
| CN105043964A (en) * | 2015-07-16 | 2015-11-11 | 哈尔滨工业大学 | Test apparatus for ultraviolet aging acceleration of asphalt-based materials |
| CN205483952U (en) * | 2016-01-01 | 2016-08-17 | 长安大学 | Light and heat coupling aging test box |
| CN205808891U (en) * | 2016-07-07 | 2016-12-14 | 东莞市顶好新材料科技有限公司 | One is applied to high performance material ultraviolet atmospheric exposure test device |
| CN206146932U (en) * | 2016-09-28 | 2017-05-03 | 山西省交通科学研究院 | Pitch ageing tests device of controllable temperature light water wind |
| CN206504992U (en) * | 2017-02-21 | 2017-09-19 | 科谱研发技术中心（青岛）有限公司 | Plastics heat aging test chamber |
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