CN108587204A - A kind of the warm mix regenerative agent and its preparation and application of asphalt - Google Patents
A kind of the warm mix regenerative agent and its preparation and application of asphalt Download PDFInfo
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- CN108587204A CN108587204A CN201810455076.1A CN201810455076A CN108587204A CN 108587204 A CN108587204 A CN 108587204A CN 201810455076 A CN201810455076 A CN 201810455076A CN 108587204 A CN108587204 A CN 108587204A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention relates to a kind of bitumen regenerant and its preparation and application, and in particular to a kind of the warm mix regenerative agent and its preparation and application of asphalt, the warm mix regenerative agent are formed by following raw material ratio：Used oil, graphene, lightweight oil, fiber, devulcanized rubber powder, polyene material and glycerolipid material.The preparation method of warm mix regenerative agent includes the following steps：Step 1：It is prepared into warm mix regenerative agent；Step 2：It is prepared into capsule；Step 3：Warm mix regenerative agent fills capsule；Step 4：Identical with capsule contents material is heated into post package capsule, is cooled to after room temperature and is prepared into warm mix and regenerates tough dose.The application method of warm mix regenerative agent includes the following steps：Step 1：Warm mix is regenerated tough dose to launch into waste and old RAP, is preheating to 80~120 DEG C；Step 2：New pitch is added, newly gathers materials and is mixed and stirred, which can play warm mix palingenesis after regenerating tough dose of disperse.
Description
Technical field
The present invention relates to a kind of bitumen regenerant and its preparation and application, and in particular to a kind of temperature of asphalt
Mix regenerative agent and its preparation and application.
Background technology
China Higher grade highway is mostly based on bituminous paving, and according to 15 years or 20 years design lifes, the country was big
Part bituminous paving comes into maintenance peak period, in repair it is frequent with overhaul maintenance.
Currently used method for maintaining is to overlay after the layer of milling Bituminous concrete surface face newly to mix asphalt again, or using regeneration
Technology reuses waste asphalt mixture, and reclaimed asphalt mixture is used for the middle cutting optimal of bituminous paving.Waste asphalt
Pavement recycling is a kind of building waste reutilization technology of high-efficiency environment friendly, although the pavement performance of waste asphalt mixture is not achieved
Code requirement, but pass through specially treated, waste asphalt mixture can be re-used.First, can reduce new pitch and newly gather materials
Dosage reduces the maintenance expense of bituminous paving and waste and old RAP disposal costs；Second is that can effectively avoid because of quarrying stone and place
Waste material pollution on the environment is managed, economic results in society are notable.
Currently, using most often hot in-place recycling in China's Recycling Old Asphalt Mixture technology.Hot recycling is just
That old asphalt pavement is dug into rear Convergency fracturing, according to road surface different levels quality requirement, by old asphalt mixture, regenerative agent,
New pitch, it is new gather materials etc. to reheat by a certain percentage mix and stir into new mixture, by its again making on bituminous paving.It should
Technology relative maturity, quality are stablized relatively, but compare developed countries, and the development of China's hot in-place recycling relatively lags behind.Especially
It is due to lacking highly efficient regeneration agent, and existing part warm mix regenerative agent is dripped by lightweight oil, vinyl acetate co-polymer, emulsification
The material mixture ratios such as blueness form, in mixing process, after waste and old RAP has been added, reclaimed asphalt mixture mix and stir temperature compared with
Height, directly results in that road surface is easy to aging, and pavement quality is not high；Also warm mix regenerative agent in part is by lightweight oil, rubber powder, macromolecule
The material mixture ratios such as polymer form, and after waste and old RAP has been added, the antifatigue of reclaimed asphalt mixture, cracking resistance and water are stablized
Performance can reduce.The above both sides reason causes the waste and old RAP mixture proportions in reclaimed asphalt mixture limited, thus directly
Connecing causes the regeneration rate of hot in-place recycling not high, still has prodigious gap compared to foreign countries.
Invention content
Reclaimed asphalt mixture mix temperature can be reduced the purpose of the present invention is to provide one kind and improves hot recycling
The warm mix regenerative agent of asphalt durability and stability.
In order to achieve the above objectives, technical scheme of the present invention provides a kind of warm mix regenerative agent of asphalt, by following
The raw material ratio of mass fraction forms：20 parts~50 parts of used oil, 0.5 part~5 parts of graphene, lightweight oil 20 parts~35
Part, 1 part~2 parts of fiber, 12 parts~18 parts of devulcanized rubber powder, 3 parts~6 parts of polyene material and glycerolipid material 5 parts~15
Part.
This programme has the technical effect that：(1) it reduces and mixes and stirs temperature：Point of used oil, lightweight oil and glycerolipid material
Son amount is smaller, has diluent effect to pitch, therefore, the addition of used oil, lightweight oil and glycerolipid material can change original
The component of asphalt material, plays the role of soft pitch, so that the degree of adhesion between asphaltene molecule is reduced, to reduce regeneration asphalt
Mixture mixes and stirs temperature, avoids waste and old RAP from generating high temperature ageing, the making quality of road is ensured and improve, after reducing
Phase safeguards and the generation of maintenance cost.
(2) tough effect：Graphene, fiber, polyene material and partial desulfurization rubber powder are blended in regeneration asphalt to mix
In material, reticular structure can be formed between asphalt grout, to enhance the glutinous toughness and flexibility of reclaimed asphalt mixture, simultaneously
Graphene, fiber, polyene material and partial desulfurization rubber powder are in cotton-shaped, can be filled in the hole of reclaimed asphalt mixture,
To significantly improve water stabilizing, endurance quality, crack resistance at low-temperature and the anti-fatigue performance of reclaimed asphalt mixture, protecting
The mixture proportion that waste and old RAP is increased under the premise of card pavement performance, realizes the recycling of waste and old RAP, waste and old RAP is made to obtain
To highly efficient regeneration.
(3) raw materials of the present invention are largely industrial waste slag charge and chemical industry leftover pieces, are making full use of work
Recycling for waste and old RAP is realized while industry slag charge, economic results in society are very notable, are bound to that regeneration drip can be greatly improved
The stability and endurance quality of green mixture, promote the service life of reclaimed bituminous pavement.
Further, which is formed by the raw material ratio of following mass fraction：38 parts of used oil, graphene
3 parts, 32 parts of lightweight oil, 1 part of fiber, 13 parts of devulcanized rubber powder, 8 parts of 5 parts of polyene material and glycerolipid material.This programme
Have the technical effect that：In the used oil, lightweight oil and glycerolipid material of this mass fraction, graphene, fiber, polyene material
Material and devulcanized rubber powder can be preferably filled in the hole of reclaimed asphalt mixture, to improve reclaimed asphalt mixture
Crack resistance at low-temperature and anti-fatigue performance.
Further, which is formed by the raw material ratio of following mass fraction：35 parts of used oil, graphene
3 parts, 33 parts of lightweight oil, 1.1 parts of fiber, 13.3 parts of devulcanized rubber powder, 4.6 parts of polyene material and glycerolipid material 10
Part.This programme has the technical effect that：After the raw material ratio of this mass fraction, the water that can significantly improve reclaimed asphalt mixture is steady
Qualitative energy.
Further, which is formed by the raw material ratio of following mass fraction：40 parts of used oil, graphene
1 part, 33 parts of lightweight oil, 1 part of fiber, 12 parts of devulcanized rubber powder, 10 parts of 3 parts of polyene material and glycerolipid material.We
Case has the technical effect that：Used oil significantly reduces the degree of adhesion between devulcanized rubber powder and pitch, to reduce well
Reclaimed asphalt mixture mixes and stirs temperature.
Another object of the present invention provides a kind of preparation method of the warm mix regenerative agent of asphalt, including walks as follows
Suddenly：
Step 1：Under the conditions of 60 DEG C~80 DEG C, by used oil, graphene, lightweight oil, glycerolipid material and part
Devulcanized rubber powder is sufficiently mixed, and is cooled to room temperature and is prepared into warm mix regenerative agent；
Step 2：Under the conditions of 80 DEG C~110 DEG C, fiber, polyene material and remaining devulcanized rubber powder are sufficiently mixed, it is high
It is poured under temperature in molded good grinding tool, the capsule that shell is in solid is prepared into after being cooled to room temperature；
Step 3：The warm mix regenerative agent prepared in step 1 is filled into capsule gap；
Step 4：Material identical with capsule contents is heated to 80 DEG C -90 DEG C, to the capsule equipped with warm mix regenerative agent into
Row encapsulation is cooled to after room temperature and is prepared into warm mix and regenerates tough dose.
This programme has the technical effect that：Warm mix regenerative agent is stored in the form of encapsulated, contributes to warm mix again
The transport of raw agent, and when using warm mix regenerative agent, warm mix can be regenerated tough dose directly launch into mixture into
Row mixes and stirs.
Further, the quality accounting of devulcanized rubber powder described in step 1 is 75%, devulcanized rubber powder described in step 2
Quality accounting be 25%.
Further, high temperature described in step 2 is 110 DEG C.
The present invention also provides a kind of application methods of the warm mix regenerative agent of asphalt, include the following steps：
Step 1：Warm mix is regenerated tough dose directly to launch into waste and old RAP, is preheating to 80~120 DEG C；
Step 2：New pitch is added, newly gathers materials and is mixed and stirred, which can play temperature after regenerating tough dose of abundant disperse
Mix palingenesis.
This programme has the technical effect that：Warm mix is regenerated tough dose to be added in waste and old RAP, new pitch and new is added after preheating
Gather materials and mixes and stirs, it is very easy to use, and constructed using dry mixing method during mixing and stirring, not only it is conducive to the fortune of asphalt
It is defeated, moreover it is possible to save process, improve waste and old RAP indirectly mixes and stirs efficiency.
Specific implementation mode
Below by the further details of explanation of specific implementation mode：
Embodiment 1：
A kind of preparation method of the warm mix regenerative agent of asphalt, includes the following steps：
Step 1：Under the conditions of 70 DEG C, by used oil 38kg, graphene 3kg, lightweight oil 32kg, glycerolipid material
8kg and devulcanized rubber powder 10kg are sufficiently mixed, and are cooled to room temperature and are prepared into warm mix regenerative agent；
Step 2：Under the conditions of 95 DEG C, fiber 1kg, polyene material 5kg and devulcanized rubber powder 3kg are sufficiently mixed, 110
It is poured under the conditions of DEG C in molded good grinding tool, the capsule that shell is in solid is prepared into after being cooled to room temperature；
Step 3：The warm mix regenerative agent prepared in step 1 is filled into capsule gap；
Step 4：Material identical with capsule contents is heated to 85 DEG C, the capsule equipped with warm mix regenerative agent is sealed
Dress is cooled to after room temperature and is prepared into warm mix and regenerates tough dose.
A kind of application method of the warm mix regenerative agent of asphalt of the present invention, includes the following steps：
Step 1：The warm mix prepared is regenerated tough dose directly to launch into waste and old RAP, is preheating to 100 DEG C；
Step 2：New pitch is added, newly gathers materials and is mixed and stirred, which can play temperature after regenerating tough dose of abundant disperse
Mix the tough effect of regeneration.
Embodiment 2：
Difference from example 1 is that：The proportioning of the warm mix regenerative agent of the asphalt is different, in a kind of pitch
In the preparation method of the warm mix regenerative agent of mixture, by used oil 35kg, graphene 3kg, lightweight oil 33kg, sweet in step 1
Grease type material 10kg and devulcanized rubber powder 10kg are sufficiently mixed, and are cooled to room temperature and are prepared into warm mix regenerative agent；It will be fine in step 2
Dimension 1.1kg, polyene material 4.6kg and devulcanized rubber powder 3.3kg are sufficiently mixed, and it is molded good to be poured under the conditions of 110 DEG C
In mold, the capsule that shell is in solid is prepared into after being cooled to room temperature.
Embodiment 3：
Difference from example 1 is that：The proportioning of the warm mix regenerative agent of the asphalt is different, in a kind of pitch
In the preparation method of the warm mix regenerative agent of mixture, by used oil 40kg, graphene 1kg, lightweight oil 33kg, sweet in step 1
Grease type material 10kg and devulcanized rubber powder 9kg are sufficiently mixed, and are cooled to room temperature and are prepared into warm mix regenerative agent；It will be fine in step 2
Dimension 1kg, polyene material 3kg and devulcanized rubber powder 3kg are sufficiently mixed, and are poured under the conditions of 110 DEG C in molded good grinding tool,
It is prepared into the capsule that shell is in solid after being cooled to room temperature.
Embodiment 4：
Difference from example 1 is that：The proportioning of the warm mix regenerative agent of the asphalt is different, in a kind of pitch
In the preparation method of the warm mix regenerative agent of mixture, in step 1 by used oil 20kg, graphene 0.5kg, lightweight oil 20kg,
Glycerolipid material 5kg and devulcanized rubber powder 9kg are sufficiently mixed, and are cooled to room temperature and are prepared into warm mix regenerative agent；It will be fine in step 2
Dimension 1kg, polyene material 3kg and devulcanized rubber powder 3kg are sufficiently mixed, and are poured under the conditions of 110 DEG C in molded good grinding tool,
It is prepared into the capsule that shell is in solid after being cooled to room temperature.
Embodiment 5：
Difference from example 1 is that：The proportioning of the warm mix regenerative agent of the asphalt is different, in a kind of pitch
In the preparation method of the warm mix regenerative agent of mixture, by used oil 50kg, graphene 5kg, lightweight oil 35kg, sweet in step 1
Grease type material 15kg and devulcanized rubber powder 13.5kg are sufficiently mixed, and are cooled to room temperature and are prepared into warm mix regenerative agent；It will in step 2
Fiber 2kg, polyene material 6kg and devulcanized rubber powder 4.5kg are sufficiently mixed, and molded good mill is poured under the conditions of 110 DEG C
In tool, the capsule that shell is in solid is prepared into after being cooled to room temperature.
Experimental design：
By the warm mix that the warm mix that above-described embodiment 1 is produced regenerates tough dose of A, embodiment 2 is produced regenerate tough dose of B,
The warm mix that the warm mix that embodiment 3 is produced regenerates tough dose of C, embodiment 4 is produced regenerates tough dose of D and embodiment 5 produces
The warm mix gone out regenerate tough dose of E be separately added into waste and old RAP, new pitch and it is new gather materials, 5 groups of reclaimed asphalt mixture test specimens are made
It is spare；
Preparing contrast test group 1 simultaneously, (warm mix regenerative agent is formed by following raw material ratio：Graphene 3kg, lightweight oil
70kg, fiber 1kg, devulcanized rubber powder 13kg, polyene material 5kg and glycerolipid material 8kg), 2 (warm mix of contrast test group
Regenerative agent is formed by following raw material ratio：Used oil 38kg, lightweight oil 32kg, fiber 2kg, devulcanized rubber powder 15kg gather
Alkene material 5kg and glycerolipid material 8kg) and contrast test group 3 (warm mix regenerative agent is formed by following raw material ratio：
Used oil 38kg, graphene 3kg, lightweight oil 32kg, fiber 9kg, polyene material 10kg and glycerolipid material 8kg)；And
It respectively will be in the warm mix regenerative agent in contrast test group 1, the warm mix regenerative agent in contrast test group 2 and contrast test group 3
During warm mix regenerative agent is added waste and old RAP, new pitch and newly gathers materials, it is spare that 3 groups of reclaimed asphalt mixture test specimens are made.
Wherein, the temperature of mixing and stirring of reclaimed asphalt mixture is tested by asphalt mixture mixing；Pass through jelly simultaneously
Melt splitting and immersion Marshall the water stability of reclaimed asphalt mixture test specimen is tested, by girder low-temperature bending to again
The crack resistance at low-temperature of raw bitumen mixture specimen carries out experiment and by fatigue loading to reclaimed asphalt mixture test specimen
Anti-fatigue performance is tested.
Test result is as shown in the table：
Known to being analyzed to above-mentioned test result：1, warm mix regenerates tough dose of C compared with warm mix regenerates tough dose of A, by
It is higher to regenerate used oil volume in tough dose of C in warm mix, be added waste and old RAP, new pitch and it is new gather materials mixing during,
Temperature is mixed and stirred to be substantially reduced；Contrast test group 1 is compared with warm mix regenerates tough dose of A, although lightweight oil is mixed in contrast test group 1
Amount is higher, but due to being not incorporated into used oil in contrast test group 1, in the mistake that waste and old RAP, new pitch and new mixing of gathering materials is added
It is higher to mix and stir temperature by Cheng Zhong, it can be seen that, used oil whether be added directly affect reclaimed asphalt mixture mix and stir temperature.
Simultaneously by contrast test group 1 compared with warm mix regenerates tough dose of A, although temperature raising is mixed and stirred, due to contrast test group 1
The volume of middle lightweight oil is higher, mixes and stirs temperature and merely adds 5 DEG C, it can be seen that there are shadows to mixing and stirring temperature for lightweight oil
It rings.
2, warm mix regenerate tough dose of B and warm mix regenerate in tough dose of A used oil, lightweight oil and glycerolipid material with
Graphene, devulcanized rubber powder, the ratio of fiber and polyene material are equal, and warm mix regenerates tough dose of B in waste asphalt mixture
In the case that mixed ratio regenerates tough dose of A higher than warm mix, temperature, stability, residual stability and the failure strain range of decrease are mixed and stirred not
Greatly, and wherein dynamic stability improves instead, illustrates that warm mix regenerates tough dose and can improve waste asphalt mixture mixture proportion.
3, warm mix regenerates used oil, lightweight oil and glycerolipid material and graphene, devulcanized rubber in tough dose of D
The ratio of powder, fiber and polyene material regenerates used oil, lightweight oil and glycerolipid material in tough dose of C less than warm mix
With graphene, the ratio of devulcanized rubber powder, fiber and polyene material, mixes and stirs temperature and increase 5 DEG C；Warm mix regeneration simultaneously is strong
Tough dose of E and warm mix regenerate used oil, lightweight oil and glycerolipid material and graphene, devulcanized rubber powder, fibre in tough dose of C
The ratio of dimension and polyene material is equal, and it is close to mix and stir temperature.It can be seen that used oil, lightweight oil and glycerolipid material
Material, which accounts for warm mix and regenerates tough dose of content and directly affect, mixes and stirs temperature.
4, by contrast test group 3 compared with warm mix regenerates tough dose of A, due to being not incorporated into desulfurization rubber in contrast test group 3
Rubber powder mixes and stirs temperature and also increases 3 DEG C during waste and old RAP, new pitch is added and newly gathers materials mixing, it can be seen that,
Devulcanized rubber powder is influenced on mixing and stirring temperature there is also certain.
5, by contrast test group 2 compared with warm mix regenerates tough dose of A, since contrast test group 2 is not incorporated into graphene,
After waste and old RAP, new pitch is added and test specimen is made in newly gathering materials, water stabilizing, crack resistance at low-temperature and anti-fatigue performance
It is all relatively very low；By contrast test group 3 compared with warm mix regenerates tough dose of A, since contrast test group 3 is not incorporated into devulcanized rubber
Powder, be added waste and old RAP, new pitch and it is new gather materials in test specimen is made after, water stabilizing, crack resistance at low-temperature and antifatigue
Performance is all relatively low.Thus prove graphene and devulcanized rubber powder whether be added by directly affect test specimen water stabilizing,
Crack resistance at low-temperature and anti-fatigue performance.
6, used oil, lightweight oil and glycerolipid material and graphene, fiber and polyene material in contrast test group 3
The ratio of material is equal to lightweight oil and glycerolipid material and graphene, fiber and polyene material in contrast test group 1
Ratio, but due to than the volume of fiber and polyene material in test group 3 compared with contrast test group more than 1, so be added waste and old RAP,
New pitch and it is new gather materials in test specimen is made after, water stabilizing, crack resistance at low-temperature and anti-fatigue performance are compared with contrast test
Group is 1 good, it follows that fiber and polyene the material also water stabilizing to reclaimed asphalt mixture test specimen, crack resistance at low-temperature
There is certain influence with anti-fatigue performance.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without departing from the inventive concept of the premise, several modifications and improvements can also be made, these should also be considered as the guarantor of the present invention
Range is protected, these all do not interfere with the effect and patent practicability that the present invention is implemented.The present invention omits the technology of description, shape
Shape, construction part are known technology.
Claims (8)
1. a kind of warm mix regenerative agent of asphalt, which is characterized in that formed by the raw material ratio of following mass fraction：It is useless
20 parts~50 parts of machine oil, 0.5 part~5 parts of graphene, 20 parts~35 parts of lightweight oil, 1 part~2 parts of fiber, devulcanized rubber powder 12
5 parts~15 parts of part~18 parts, 3 parts~6 parts of polyene material and glycerolipid material.
2. a kind of warm mix regenerative agent of asphalt according to claim 1, which is characterized in that by following mass fraction
Raw material ratio form：38 parts of used oil, 3 parts of graphene, 32 parts of lightweight oil, 1 part of fiber, 13 parts of devulcanized rubber powder gather
8 parts of 5 parts of alkene material and glycerolipid material.
3. a kind of warm mix regenerative agent of asphalt according to claim 1, which is characterized in that by following mass fraction
Raw material ratio form：35 parts of used oil, 3 parts of graphene, 33 parts of lightweight oil, 1.1 parts of fiber, devulcanized rubber powder 13.3
Part, 10 parts of 4.6 parts of polyene material and glycerolipid material.
4. a kind of warm mix regenerative agent of asphalt according to claim 1, which is characterized in that by following mass fraction
Raw material ratio form：40 parts of used oil, 1 part of graphene, 33 parts of lightweight oil, 1 part of fiber, 12 parts of devulcanized rubber powder gather
10 parts of 3 parts of alkene material and glycerolipid material.
5. a kind of preparation method of the warm mix regenerative agent of asphalt according to any one of claim 1-4,
It is characterized in that, includes the following steps：
Step 1：Under the conditions of 60 DEG C~80 DEG C, by used oil, graphene, lightweight oil, glycerolipid material and partial desulfurization
Rubber powder is sufficiently mixed, and is cooled to room temperature and is prepared into warm mix regenerative agent；
Step 2：Under the conditions of 80 DEG C~110 DEG C, fiber, polyene material and remaining devulcanized rubber powder are sufficiently mixed, under high temperature
It is poured into molded good grinding tool, the capsule that shell is in solid is prepared into after being cooled to room temperature；
Step 3：The warm mix regenerative agent prepared in step 1 is filled into capsule gap；
Step 4：Material identical with capsule contents is heated to 80 DEG C -90 DEG C, the capsule equipped with warm mix regenerative agent is sealed
Dress is cooled to after room temperature and is prepared into warm mix and regenerates tough dose.
6. a kind of preparation method of the warm mix regenerative agent of asphalt according to claim 5, it is characterised in that：Step
The quality accounting of devulcanized rubber powder described in 1 is 75%, and the quality accounting of devulcanized rubber powder described in step 2 is 25%.
7. a kind of preparation method of the warm mix regenerative agent of asphalt according to claim 6, it is characterised in that：Step
High temperature described in 2 is 110 DEG C.
8. a kind of application method of the warm mix regenerative agent of asphalt according to claim 5, which is characterized in that including
Following steps：
Step 1：Warm mix is regenerated tough dose directly to launch into waste and old RAP, is preheating to 80~120 DEG C；
Step 2：New pitch is added, newly gathers materials and is mixed and stirred, which can play warm mix again after regenerating tough dose of abundant disperse
Raw effect.
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Cited By (3)
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| CN110183147A (en) * | 2019-04-30 | 2019-08-30 | 中国建筑土木建设有限公司 | A kind of environment friendly road asphalt and preparation method thereof |
| CN110922657A (en) * | 2019-12-05 | 2020-03-27 | 达州市禾原再生资源有限公司 | Thermal regeneration asphalt mixture modifier |
| CN111607241A (en) * | 2020-05-22 | 2020-09-01 | 中国路桥工程有限责任公司 | Asphalt modifier and preparation process thereof |
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| CN110183147A (en) * | 2019-04-30 | 2019-08-30 | 中国建筑土木建设有限公司 | A kind of environment friendly road asphalt and preparation method thereof |
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| CN110922657B (en) * | 2019-12-05 | 2022-03-01 | 达州市禾原再生资源有限公司 | Thermal regeneration asphalt mixture modifier |
| CN111607241A (en) * | 2020-05-22 | 2020-09-01 | 中国路桥工程有限责任公司 | Asphalt modifier and preparation process thereof |
| CN111607241B (en) * | 2020-05-22 | 2022-03-01 | 中国路桥工程有限责任公司 | Asphalt modifier and preparation process thereof |
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