CN106248916A - A kind of asphalt binder ageing state analog - Google Patents
A kind of asphalt binder ageing state analog Download PDFInfo
- Publication number
- CN106248916A CN106248916A CN201610561337.9A CN201610561337A CN106248916A CN 106248916 A CN106248916 A CN 106248916A CN 201610561337 A CN201610561337 A CN 201610561337A CN 106248916 A CN106248916 A CN 106248916A
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- CN
- China
- Prior art keywords
- colophonium
- bottle
- asphalt binder
- ageing state
- gas
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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
- G01N33/42—Road-making materials
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The invention discloses a kind of asphalt binder ageing state analog, including the Colophonium bottle for holding asphalt binder to be measured, on Colophonium bottle, connection has air inlet pipe and escape pipe, and air inlet pipe connects gas generating unit and gas-heating apparatus, and escape pipe connects gas chiller；Gas flow monitor is installed in described air inlet pipe, escape pipe connects gas condensing tube；Colophonium bottle is positioned in heating furnace and Colophonium bottle is internally installed temperature sensor and the flabellum for stirring, and temperature sensor connects the temperature controller that can control heating furnace heating-up temperature, and flabellum connects driving motor by power transmission shaft.The small volume of the present invention, Colophonium after aging can also be used for testing other various physics and chemical property, this device is simultaneously suitable for the simulation test of substrate and modified pitch, short ageing state and long-term ageing state can be simulated, test process is easy to operate, and operate safety, cheap, it is simple to promote.
Description
Technical field
The invention belongs to field of road, be specifically related to a kind of asphalt binder ageing state analog.
Background technology
Existing asphalt binder ageing state simulation test includes indoor short ageing state simulation and long-term ageing shape
Morphotype is intended.The short ageing state simulation of existing binder is generally tested by rotating thin film aging method, and the oldest
Changing state simulation uses pressure aging method to test.But asphalt binder not all in short ageing is tested
Can be normally carried out test, owing to the viscosity of partially modified binder thin film is the highest, causing can not normal stream in revolving bottle
Dynamic, the most partially modified binder thin film has the phenomenon overflowing revolving bottle.Additionally, the short ageing state mould of asphalt binder
Intending to carry out in same device with long-term ageing state simulation, this in use causes inconvenience greatly and wave
Take.
Summary of the invention
Present invention aims to above-mentioned defect of the prior art, it is provided that a kind of asphalt binder ageing state mould
Intend device, it is possible to simulate short ageing and the long-term ageing process of asphalt binder, and easy-to-operate, low cost simultaneously
Honest and clean.
To achieve these goals, the technical solution used in the present invention is: include for holding asphalt binder to be measured
Colophonium bottle, on Colophonium bottle, connection has air inlet pipe and escape pipe, and air inlet pipe connects gas generating unit and gas-heating apparatus, goes out
Trachea connects gas chiller；Gas flow monitor is installed in described air inlet pipe, escape pipe connects gas condensation
Pipe；Colophonium bottle is positioned in heating furnace and Colophonium bottle is internally installed temperature sensor and the flabellum for stirring, temperature
Sensor connects the temperature controller that can control heating furnace heating-up temperature, and flabellum connects driving motor by power transmission shaft.
Described heating furnace and Colophonium bottle open top, the top of Colophonium bottle is provided with Colophonium bottle cap, the outer rim of Colophonium bottle cap
It is embedded on the opening of heating furnace, and offers the punched out of air inlet pipe, escape pipe and power transmission shaft.
Support drive motor fixing device by main fixing axle and the fixing post of auxiliary directly over described Colophonium bottle, described
Driving motor be installed in the middle of motor fixing device, and vertically down through power transmission shaft connect flabellum.
Described driving motor uses motor or electromotor.
Described gas generating unit is compressor, and gas-heating apparatus is air heater, and gas chiller is cold
Condenser.
Described air inlet pipe is passed through the bottom of Colophonium bottle, and escape pipe is from the Base top contact of Colophonium bottle.
Described heating furnace have in bending snakelike be evenly coated on Colophonium bottle periphery add heat pipe, add inside heat pipe fill
Conduction oil.
Described heating furnace periphery is provided with heat-preservation cotton fixed plate and is filled with heat-preservation cotton.
Compared with prior art, the present invention has following beneficial effect: connects air inlet pipe and escape pipe on Colophonium bottle, enters
Trachea connects gas generating unit and gas-heating apparatus, is passed through air in can controlling Colophonium bottle by gas generating unit
Flow, gas-heating apparatus is passed through the temperature of air in can adjusting Colophonium bottle, Colophonium bottle is positioned in heating furnace and Colophonium
Bottle is internally installed temperature sensor and the flabellum for stirring, and temperature sensor connects can control heating furnace heating-up temperature
Temperature controller, flabellum by power transmission shaft connect drive motor, asphalt binder to be measured is put in Colophonium bottle, is heated by adjustment
Temperature and mixing speed, and combine the testing time, and then simulate short ageing process and the long-term ageing process of Colophonium.This
Invention small volume, aging after Colophonium can also be used for test other various physics and chemical property, this device is fitted simultaneously
Can be simulated for substrate and the simulation test of modified pitch, short ageing state and long-term ageing state, test
Journey is easy to operate, and operates safety, cheap, it is simple to promote.
Accompanying drawing explanation
The overall structure front view of Fig. 1 present invention；
The overall structure left view of Fig. 2 present invention；
The overall structure right view of Fig. 3 present invention；
The top view of Fig. 4 Colophonium of the present invention bottle cap；
The top view of Fig. 5 heating furnace of the present invention；
Fig. 6 present invention drives the upward view of motor fixing device；
The structural representation of Fig. 7 flabellum of the present invention；
Fig. 8 operating process of the present invention schematic diagram；
In accompanying drawing: 1. drive motor；2. gas condensing tube；3. gas flow monitor；4. Colophonium bottle cap；5. power transmission shaft；
6. temperature sensor；7. main fixing axle；8. drive motor fixing device；9. heating furnace；10. the fixing post of auxiliary；11. electric motor protectings
Device；12. Colophonium bottles；13. escape pipes；14. air inlet pipe；15. temperature controllers.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings.
Seeing Fig. 1-7, the present invention structurally includes the Colophonium bottle 12 for holding asphalt binder to be measured, Colophonium bottle 12
Upper connection has air inlet pipe 14 and escape pipe 13, and air inlet pipe 14 is passed through the bottom of Colophonium bottle 12, and escape pipe 13 is from the top of Colophonium bottle 12
Portion draws.Air inlet pipe 14 connects gas generating unit and gas-heating apparatus, and gas generating unit is compressor, and gas heats
Device is air heater；Escape pipe 13 connects gas chiller, and gas chiller is condenser.Install in air inlet pipe 14
There is gas flow monitor 3, escape pipe 13 connects gas condensing tube 2.Colophonium bottle 12 is positioned in heating furnace 9 and Colophonium bottle
12 internally installed have temperature sensor 6 and the flabellum for stirring, heating furnace 9 and Colophonium bottle 12 open top, and heating furnace 9 has
Have in bending snakelike be evenly coated on Colophonium bottle 12 periphery add heat pipe, add inside heat pipe fill conduction oil, Colophonium bottle 12
Top is provided with Colophonium bottle cap 4, and the outer rim of Colophonium bottle cap 4 is embedded on the opening of heating furnace 9, and offers air inlet pipe 14, goes out
Trachea 13 and the punched out of power transmission shaft 5.Temperature sensor 6 connects the temperature controller 15 that can control heating furnace 9 heating-up temperature, flabellum
Connected by power transmission shaft 5 and drive motor 1, support drive by main fixing axle 7 and the fixing post 10 of auxiliary directly over Colophonium bottle 12
Motor fixing device 8, drives motor 1 to be installed in the middle of driving motor fixing device 8, and vertically down through power transmission shaft 5 even
Connect flabellum, drive motor 1 to use motor or electromotor.Heating furnace 9 periphery is provided with heat-preservation cotton fixed plate and is filled with
Heat-preservation cotton, it is possible to even heat is sent to each portion of stove surrounding, Colophonium bottle 12 can freely be taken out.
Colophonium bottle cap 4 of the present invention offers seven holes altogether, is used for being inserted into trachea 14, escape pipe 13, power transmission shaft 5, temperature
Sensor 6 wiring and three fixing posts 10 of auxiliary, gas flow monitor 3 can be monitored gas and is blown into speed, at escape pipe
Gas condensing tube 2 is installed, it is possible to make the gas of volatilization cool down to measure its quality on 13.Seeing Fig. 8, this device is using
Time, first the asphalt binder of certain mass is put in Colophonium bottle 12, start to be blown into air also after being heated to the temperature needed
Stirring, takes out the Colophonium after aging to survey its index after reaching the scheduled time, can collect evaporant and measure its matter simultaneously
Amount.
Short ageing simulation process: take 250g asphalt binder and put in Colophonium bottle 12, heating furnace 9 temperature is set as
163 DEG C, being blown into air themperature is 163 DEG C, and flow is 2L/min, and the mixing speed of flabellum is 1000r/min, and the testing time is
50min.After ageing of asphalt under these conditions aging with rotary thin film in drying oven degradation (RTFOT) after the performance of Colophonium
Consistent.
Long-term ageing simulation process: take 250g asphalt binder and put in Colophonium bottle, furnace temp is set as 100
DEG C, being blown into air themperature is 100 DEG C, and flow is 36L/h, and the mixing speed of flabellum is 350r/min, and the testing time is 40h.?
After ageing of asphalt under the conditions of above-mentioned aging with pressure degradation (PAV) after the performance of Colophonium consistent.
The small volume of the present invention, aging after Colophonium can also be used for test other various physics and chemical property, should
Device is simultaneously suitable for the simulation test of substrate and modified pitch, short ageing state and long-term ageing state can carry out mould
Intending, test process is easy to operate, and operates safety, cheap, it is simple to promote.
Claims (8)
1. an asphalt binder ageing state analog, it is characterised in that: include for holding asphalt binder to be measured
Colophonium bottle (12), the upper connection of Colophonium bottle (12) has air inlet pipe (14) and escape pipe (13), and air inlet pipe (14) connects gas and fills
Putting and gas-heating apparatus, escape pipe (13) connects gas chiller；In described air inlet pipe (14), gas stream is installed
Amount monitor (3), escape pipe (13) is upper connects gas condensing tube (2)；Colophonium bottle (12) is positioned in heating furnace (9) and Colophonium
Bottle (12) is internally installed temperature sensor (6) and the flabellum for stirring, and temperature sensor (6) connects can control heating
The temperature controller (15) of stove (9) heating-up temperature, flabellum connects driving motor (1) by power transmission shaft (5).
Asphalt binder ageing state analog the most according to claim 1, it is characterised in that: described heating furnace
(9) with Colophonium bottle (12) open top, the top of Colophonium bottle (12) is provided with Colophonium bottle cap (4), and the outer rim of Colophonium bottle cap (4) embeds
On the opening of heating furnace (9), and offer air inlet pipe (14), escape pipe (13) and the punched out of power transmission shaft (5).
Asphalt binder ageing state analog the most according to claim 1, it is characterised in that: described Colophonium bottle
(12) support drive motor fixing device (8), described driving by main fixing axle (7) and the fixing post (10) of auxiliary directly over
Motor (1) is installed in the middle of driving motor fixing device (8), and connects flabellum vertically down through power transmission shaft (5).
4. according to the asphalt binder ageing state analog described in claim 1 or 3, it is characterised in that: described driving
Motor (1) uses motor or electromotor.
Asphalt binder ageing state analog the most according to claim 1, it is characterised in that: described gas occurs
Device is compressor, and gas-heating apparatus is air heater, and gas chiller is condenser.
Asphalt binder ageing state analog the most according to claim 1, it is characterised in that: described air inlet pipe
(14) bottom of Colophonium bottle (12), the escape pipe (13) Base top contact from Colophonium bottle (12) it are passed through.
Asphalt binder ageing state analog the most according to claim 1, it is characterised in that: described heating furnace
(9) have in bending snakelike be evenly coated on Colophonium bottle (12) periphery add heat pipe, add inside heat pipe fill conduction oil.
8. according to the asphalt binder ageing state analog described in claim 1 or 7, it is characterised in that: described heating
Stove (9) periphery is provided with heat-preservation cotton fixed plate and is filled with heat-preservation cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610561337.9A CN106248916A (en) | 2016-07-15 | 2016-07-15 | A kind of asphalt binder ageing state analog |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610561337.9A CN106248916A (en) | 2016-07-15 | 2016-07-15 | A kind of asphalt binder ageing state analog |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106248916A true CN106248916A (en) | 2016-12-21 |
Family
ID=57613779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610561337.9A Pending CN106248916A (en) | 2016-07-15 | 2016-07-15 | A kind of asphalt binder ageing state analog |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106248916A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760795A (en) * | 2018-08-22 | 2018-11-06 | 沈阳建筑大学 | A kind of device measuring asphalt softening point using air mode of heating |
| CN110243753A (en) * | 2019-07-15 | 2019-09-17 | 南京林业大学 | A kind of bituminous cements coupling ageing test apparatus and method |
| CN114002418A (en) * | 2021-11-03 | 2022-02-01 | 长安大学 | Method for rapidly evaluating asphalt aging level |
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| CN2739637Y (en) * | 2004-10-28 | 2005-11-09 | 长安大学 | Modified asphalt storage stability measuring device |
| CN101934214A (en) * | 2010-09-07 | 2011-01-05 | 杨秀军 | Chemical engineering reaction pot |
| CN201828472U (en) * | 2010-09-17 | 2011-05-11 | 长安大学 | Bituminous mixture durability testing device |
| CN202171576U (en) * | 2011-07-29 | 2012-03-21 | 广东若天新材料科技有限公司 | PVC thermal stability detector |
| CN203133076U (en) * | 2013-01-30 | 2013-08-14 | 长安大学 | Closed asphalt smoke research device |
| CN204086093U (en) * | 2014-09-11 | 2015-01-07 | 长安大学 | Multifunctional asphalt compound ageing oven |
| CN204086094U (en) * | 2014-09-11 | 2015-01-07 | 长安大学 | The asphalt aging equipment of simulation various factors |
| CN104931679A (en) * | 2015-06-12 | 2015-09-23 | 长安大学 | Pitch matrix binder 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 |
| CN105319342A (en) * | 2014-06-10 | 2016-02-10 | 苏州科技学院 | Asphalt aging instrument |
| CN205127883U (en) * | 2015-10-26 | 2016-04-06 | 安徽省交通规划设计研究总院股份有限公司 | But temperature measurement early warning pitch heating agitating unit |
| CN105548527A (en) * | 2016-01-31 | 2016-05-04 | 河海大学 | Device and method for testing de-emulsification speed of emulsified asphalt based on torque |
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2016
- 2016-07-15 CN CN201610561337.9A patent/CN106248916A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2739637Y (en) * | 2004-10-28 | 2005-11-09 | 长安大学 | Modified asphalt storage stability measuring device |
| CN101934214A (en) * | 2010-09-07 | 2011-01-05 | 杨秀军 | Chemical engineering reaction pot |
| CN201828472U (en) * | 2010-09-17 | 2011-05-11 | 长安大学 | Bituminous mixture durability testing device |
| CN202171576U (en) * | 2011-07-29 | 2012-03-21 | 广东若天新材料科技有限公司 | PVC thermal stability detector |
| CN203133076U (en) * | 2013-01-30 | 2013-08-14 | 长安大学 | Closed asphalt smoke research device |
| CN105319342A (en) * | 2014-06-10 | 2016-02-10 | 苏州科技学院 | Asphalt aging instrument |
| CN204086093U (en) * | 2014-09-11 | 2015-01-07 | 长安大学 | Multifunctional asphalt compound ageing oven |
| CN204086094U (en) * | 2014-09-11 | 2015-01-07 | 长安大学 | The asphalt aging equipment of simulation various factors |
| CN104931679A (en) * | 2015-06-12 | 2015-09-23 | 长安大学 | Pitch matrix binder 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 |
| CN205127883U (en) * | 2015-10-26 | 2016-04-06 | 安徽省交通规划设计研究总院股份有限公司 | But temperature measurement early warning pitch heating agitating unit |
| CN105548527A (en) * | 2016-01-31 | 2016-05-04 | 河海大学 | Device and method for testing de-emulsification speed of emulsified asphalt based on torque |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760795A (en) * | 2018-08-22 | 2018-11-06 | 沈阳建筑大学 | A kind of device measuring asphalt softening point using air mode of heating |
| CN110243753A (en) * | 2019-07-15 | 2019-09-17 | 南京林业大学 | A kind of bituminous cements coupling ageing test apparatus and method |
| CN114002418A (en) * | 2021-11-03 | 2022-02-01 | 长安大学 | Method for rapidly evaluating asphalt aging level |
| CN114002418B (en) * | 2021-11-03 | 2024-04-12 | 长安大学 | Method for rapidly evaluating asphalt aging level |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161221 |