CN106587737A - Environment-friendly recycled asphalt mixture and preparation technology thereof - Google Patents
Environment-friendly recycled asphalt mixture and preparation technology thereof Download PDFInfo
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- CN106587737A CN106587737A CN201611118877.6A CN201611118877A CN106587737A CN 106587737 A CN106587737 A CN 106587737A CN 201611118877 A CN201611118877 A CN 201611118877A CN 106587737 A CN106587737 A CN 106587737A
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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
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses an environment-friendly recycled asphalt mixture and a preparation technology thereof. The environment-friendly recycled asphalt mixture comprises waste asphalt, biological asphalt, modified asphalt, 40-mesh waste tire powder, aggregate, mineral powder, environment-friendly solvent oil, mandarin oil, coumarone, smectite, silver-loaded zeolite, lime, stannic oxide, 3-isocyanatopropyltriethoxysilane, polyoxyethylene ether, glycerophosphate, a recycling agent and sodium silicate. The environment-friendly recycled asphalt mixture has the advantages that the recycled asphalt mixture with all pavement properties ranking as a high level is capable of ameliorating tension in supply of petroleum asphalt, is environment friendly and energy saving by using the wastes reasonably and can be used as a novel substitute of petroleum asphalt mixtures.
Description
Technical field
The invention belongs to field of bitumen technology, and in particular to a kind of environmental friendly regenerated asphalt and its preparation technology.
Background technology
As the usage amount of China's automobile increases year by year, the quantity of the junked tire scrapped every year reaches more than one hundred million, weight
More than up to ten million tons, heavy burden is brought to environmental improvement, therefore rational become an effectively solution using Scrap tire
Certainly measure.In highway construction field, China needs every year the bituminous paving cumulative year after year overhauled.If a large amount of Jing dig, milling
Asphalt goes out of use, and not only causes the wasting of resources, can also serious environment pollution, exploit neolite when preparing bituminous paving in addition
Material also can heavy damage ecological environment.Additionally, with the scarcity of China's oil resource, the supply growing tension of asphalt, because
This research and development also becomes one of following important trend of bituminous paving using suitable asphalt substitute.For this purpose, research and development
It is a kind of to meet the good environmental friendly regenerated asphalt of road application and combination property, have very important significance.
The content of the invention
It is an object of the invention to provide a kind of environmental friendly regenerated asphalt and its preparation technology, to solve at least one
State technical problem.
Technical scheme is come as follows：
A kind of environmental friendly regenerated asphalt, is made up of the following component counted by weight：Waste asphalt material 10-20 parts, life
Thing pitch 3-7 parts, modified pitch 1-4 parts, 40 mesh junked tire powder 1-6 parts, 55-70 parts of gathering materials, breeze 5-13 parts, environmentally friendly solvent
Oily 2-4 parts, mandarin oil 1-3 parts, coumarone 1.5-3 parts, smectite 2.5-6 parts, zeolite with carrying silver 4-7 parts, lime 5-9 parts, dioxy
Change tin 1.6-4 parts, NCO propyl-triethoxysilicane 0.6-2.6 parts, APEO 1.2-3.6 parts, phosphoglycerol
Ester 0.3-2 parts, regenerative agent 3.2-6 parts, sodium metasilicate 0.4-1.5 parts；
The modified pitch is natural rubber modified pitch, SBS modified pitch, styrene butadiene rubber modified asphalt, butadiene rubber are modified
At least one in pitch；
It is described to gather materials for size is for 0.1-10mm and mass ratio is 5:1:The mixture of 2 granite, basalt and quartz；
The breeze is calcium carbonate powder of the size less than 0.05mm.
In above-mentioned technical proposal, the environmentally friendly solvent oil is D40 solvent naphthas, D95 solvent naphthas or D65 solvent naphthas；It is described to change
Property pitch be mass ratio be 2:1:1 natural rubber modified pitch, styrene butadiene rubber modified asphalt and butadiene rubber modified pitch
Mixture.
In above-mentioned technical proposal, the regenerative agent is by coker gasoline, C5 Petropols, terpene resin and phthalic acid two
Different monooctyl ester is prepared, wherein four mass ratio is 50 at 150-180 DEG C with 4500r/min shearing dispersion 1-3 hours:
18:7:4。
In above-mentioned technical proposal, it is made up of the following component counted by weight：Waste asphalt material 12-19 parts, biological drip
Blue or green 3.5-6.4 parts, modified pitch 1.2-3.6 parts, 40 mesh junked tire powder 1.8-5.4 parts, 58-67 parts of gathering materials, breeze 5.7-11
Part, environmentally friendly solvent oil 2.2-3.5 parts, mandarin oil 1.5-2.7 parts, coumarone 1.8-2.6 parts, smectite 2.9-5 parts, zeolite with carrying silver
4.3-6.4 parts, lime 5.3-8.2 parts, tin ash 1.7-3.6 parts, NCO propyl-triethoxysilicane 0.8-2.4
Part, APEO 1.4-3.3 parts, glycerophosphate 0.6-1.5 parts, regenerative agent 3.7-5.4 parts, sodium metasilicate 0.8-1.4 parts.
Another technical scheme of the present invention is come as follows：
The preparation technology of environmental friendly regenerated asphalt, including following preparation process：
Step S1, waste asphalt material is heated to 110-125 DEG C, stirs 20-60 minutes, be subsequently adding regenerative agent, environmentally friendly solvent
Oil, mandarin oil and NCO propyl-triethoxysilicane, at 130-170 DEG C 15-50min is stirred, and is subsequently adding 40 mesh
Junked tire powder, is disperseed 30-50 minutes at 145 DEG C with 3500-5000r/min high speed shears, standby；
Step S2, will gather materials, smectite, zeolite with carrying silver and lime are well mixed and are preheated to 120 DEG C, are subsequently adding step S1
In, stir 30-60min at 140-170 DEG C；
Step S3, Biological asphalt and modified pitch are added to 140-155 DEG C, breeze is heated to into 145-170 DEG C, then together
In adding step S2, it is uniformly mixed, adds remaining material, be uniformly mixed at 130-160 DEG C, obtains final product.
In above-mentioned technical proposal, step S1 stirs 40min at 155 DEG C；Step S1, with 4500r/min at 145 DEG C
High speed shear is disperseed 50 minutes.
In above-mentioned technical proposal, step S2 stirs 45min at 165 DEG C.
As a result of above technical scheme, beneficial effects of the present invention are：
In a higher level, its Marshall stability is up to every pavement performance of the reclaimed asphalt mixture that the present invention is provided
10.5-12.1kN, freeze-thaw split strength ratio reaches 84.2-87.5%, and rut dynamic stability can alleviate oil up to 4500 times/more than mm
The deficiency in short supply of pitch, at the same the reclaimed asphalt mixture environmental protection, and waste material is reasonably make use of, save energy
Source, can become one of new substitute of asphalt compound.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail.Following examples be used for illustrate the present invention,
But it is not limited to the scope of the present invention.
Embodiment 1
A kind of environmental friendly regenerated asphalt, is made up of the following component counted by weight：10 parts of waste asphalt material, biological drip
Blue or green 3 parts, 1 part of modified pitch, 40 1 part of mesh junked tire powder, gather materials 55 parts, 5 parts of breeze, 2 parts of environmentally friendly solvent oil, 1 part of mandarin oil,
1.5 parts of coumarone, 2.5 parts of smectite, 4 parts of zeolite with carrying silver, 5 parts of lime, 1.6 parts of tin ash, the second of NCO propyl group three
0.6 part of TMOS, 1.2 parts of APEO, 0.3 part of glycerophosphate, 3.2 parts of regenerative agent, 0.4 part of sodium metasilicate；
The modified pitch is natural rubber modified pitch；
It is described to gather materials for size is for 0.1-10mm and mass ratio is 5:1:The mixture of 2 granite, basalt and quartz；
The breeze is calcium carbonate powder of the size less than 0.05mm.
Wherein, the environmentally friendly solvent oil is D40 solvent naphthas；
Wherein, the regenerative agent by coker gasoline, C5 Petropols, terpene resin and diisooctyl phthalate at 150 DEG C
Under, it is prepared within 1 hour with 4500r/min shearing dispersions, wherein four mass ratio is 50:18:7:4.
The preparation technology of environmental friendly regenerated asphalt, including following preparation process：
Step S1, waste asphalt material is heated to 110 DEG C, stirs 20 minutes, be subsequently adding regenerative agent, environmentally friendly solvent oil, orange
Oil and NCO propyl-triethoxysilicane, at 130 DEG C 15min is stirred, and is subsequently adding 40 mesh junked tire powder,
Disperseed 30 minutes with 3500r/min high speed shears at 145 DEG C, it is standby；
Step S2, will gather materials, smectite, zeolite with carrying silver and lime are well mixed and are preheated to 120 DEG C, are subsequently adding step S1
In, stir 30min at 140 DEG C；
Step S3, Biological asphalt and modified pitch are added to 140 DEG C, breeze is heated to into 145 DEG C, step is then added together
In S2, it is uniformly mixed, adds remaining material, be uniformly mixed at 130 DEG C, obtains final product.
Embodiment 2
A kind of environmental friendly regenerated asphalt, is made up of the following component counted by weight：20 parts of waste asphalt material, biological drip
Blue or green 7 parts, 4 parts of modified pitch, 40 6 parts of mesh junked tire powder, gather materials 70 parts, 13 parts of breeze, environmentally friendly solvent oil 4 parts, mandarin oil 3
Part, 3 parts of coumarone, 6 parts of smectite, 7 parts of zeolite with carrying silver, 9 parts of lime, 4 parts of tin ash, NCO propyl triethoxy
2.6 parts of silane, 3.6 parts of APEO, 2 parts of glycerophosphate, 6 parts of regenerative agent, 1.5 parts of sodium metasilicate；
The modified pitch includes that weight ratio is 1:3 SBS modified pitch and styrene butadiene rubber modified asphalt；
It is described to gather materials for size is for 0.1-10mm and mass ratio is 5:1:The mixture of 2 granite, basalt and quartz；
The breeze is calcium carbonate powder of the size less than 0.05mm.
Wherein, the environmentally friendly solvent oil is D95 solvent naphthas.
Wherein, the regenerative agent is existed by coker gasoline, C5 Petropols, terpene resin and diisooctyl phthalate
At 180 DEG C, it is prepared within 3 hours with 4500r/min shearing dispersions, wherein four mass ratio is 50:18:7:4.
The preparation technology of environmental friendly regenerated asphalt, including following preparation process：
Step S1, waste asphalt material is heated to 125 DEG C, stirs 60 minutes, be subsequently adding regenerative agent, environmentally friendly solvent oil, orange
Oil and NCO propyl-triethoxysilicane, at 170 DEG C 50min is stirred, and is subsequently adding 40 mesh junked tire powder,
Disperseed 50 minutes with 5000r/min high speed shears at 145 DEG C, it is standby；
Step S2, will gather materials, smectite, zeolite with carrying silver and lime are well mixed and are preheated to 120 DEG C, are subsequently adding step S1
In, stir 60min at 170 DEG C；
Step S3, Biological asphalt and modified pitch are added to 155 DEG C, breeze is heated to into 170 DEG C, step is then added together
In S2, it is uniformly mixed, adds remaining material, be uniformly mixed at 160 DEG C, obtains final product.
Embodiment 3
A kind of environmental friendly regenerated asphalt, is made up of the following component counted by weight：12 parts of waste asphalt material, biological drip
Blue or green 3.5 parts, 1.2 parts of modified pitch, 40 1.8 parts of mesh junked tire powder, gather materials 58 parts, 5.7 parts of breeze, 2.2 parts of environmentally friendly solvent oil,
It is 1.5 parts of mandarin oil, 1.8 parts of coumarone, 2.9 parts of smectite, 4.3 parts of zeolite with carrying silver, 5.3 parts of lime, 1.7 parts of tin ash, different
0.8 part of cyanic acid ester group propyl-triethoxysilicane, 1.4 parts of APEO, 0.6 part of glycerophosphate, 3.7 parts of regenerative agent, silicon
0.8 part of sour sodium；
The modified pitch includes that weight ratio is 4:1 styrene butadiene rubber modified asphalt and butadiene rubber modified pitch；
It is described to gather materials for size is for 0.1-10mm and mass ratio is 5:1:The mixture of 2 granite, basalt and quartz；
The breeze is calcium carbonate powder of the size less than 0.05mm.
Wherein, the environmentally friendly solvent oil is D65 solvent naphthas.
Wherein, the regenerative agent is existed by coker gasoline, C5 Petropols, terpene resin and diisooctyl phthalate
At 170 DEG C, it is prepared within 2 hours with 4500r/min shearing dispersions, wherein four mass ratio is 50:18:7:4.
The preparation technology of environmental friendly regenerated asphalt, including following preparation process：
Step S1, waste asphalt material is heated to 116 DEG C, stirs 45 minutes, be subsequently adding regenerative agent, environmentally friendly solvent oil, orange
Oil and NCO propyl-triethoxysilicane, at 150 DEG C 30min is stirred, and is subsequently adding 40 mesh junked tire powder,
Disperseed 45 minutes with 4000r/min high speed shears at 145 DEG C, it is standby；
Step S2, will gather materials, smectite, zeolite with carrying silver and lime are well mixed and are preheated to 120 DEG C, are subsequently adding step S1
In, stir 45min at 160 DEG C；
Step S3, Biological asphalt and modified pitch are added to 148 DEG C, breeze is heated to into 150 DEG C, step is then added together
In S2, it is uniformly mixed, adds remaining material, be uniformly mixed at 145 DEG C, obtains final product.
Embodiment 4
A kind of environmental friendly regenerated asphalt, is made up of the following component counted by weight：19 parts of waste asphalt material, biological drip
Blue or green 6.4 parts, 3.6 parts of modified pitch, 40 5.4 parts of mesh junked tire powder, gather materials 67 parts, 11 parts of breeze, 3.5 parts of environmentally friendly solvent oil,
2.7 parts of mandarin oil, 2.6 parts of coumarone, 5 parts of smectite, 6.4 parts of zeolite with carrying silver, 8.2 parts of lime, 3.6 parts of tin ash, isocyanide
2.4 parts of perester radical propyl-triethoxysilicane, 3.3 parts of APEO, 1.5 parts of glycerophosphate, 5.4 parts of regenerative agent, silicic acid
1.4 parts of sodium；
The modified pitch includes that weight ratio is 4:2:1 natural rubber modified pitch, SBS modified pitch, butadiene-styrene rubber are modified
Pitch；
It is described to gather materials for size is for 0.1-10mm and mass ratio is 5:1:The mixture of 2 granite, basalt and quartz；
The breeze is calcium carbonate powder of the size less than 0.05mm.
Wherein, the environmentally friendly solvent oil is D40 solvent naphthas.
Wherein, the regenerative agent is existed by coker gasoline, C5 Petropols, terpene resin and diisooctyl phthalate
At 165 DEG C, it is prepared within 3 hours with 4500r/min shearing dispersions, wherein four mass ratio is 50:18:7:4.
The preparation technology of environmental friendly regenerated asphalt, including following preparation process：
Step S1, waste asphalt material is heated to 117 DEG C, stirs 45 minutes, be subsequently adding regenerative agent, environmentally friendly solvent oil, orange
Oil and NCO propyl-triethoxysilicane, at 160 DEG C 40min is stirred, and is subsequently adding 40 mesh junked tire powder,
Disperseed 48 minutes with 3600r/min high speed shears at 145 DEG C, it is standby；
Step S2, will gather materials, smectite, zeolite with carrying silver and lime are well mixed and are preheated to 120 DEG C, are subsequently adding step S1
In, stir 55min at 160 DEG C；
Step S3, Biological asphalt and modified pitch are added to 148 DEG C, breeze is heated to into 160 DEG C, step is then added together
In S2, it is uniformly mixed, adds remaining material, be uniformly mixed at 150 DEG C, obtains final product.
Embodiment 5
A kind of environmental friendly regenerated asphalt, is made up of the following component counted by weight：15 parts of waste asphalt material, biological drip
Blue or green 5 parts, 2.4 parts of modified pitch, 40 3.6 parts of mesh junked tire powder, gather materials 63 parts, 8.3 parts of breeze, environmentally friendly solvent oil 2.8 parts, tangerine
2.1 parts of seed oil, 2.2 parts of coumarone, 4 parts of smectite, 5.3 parts of zeolite with carrying silver, 6.7 parts of lime, 2.6 parts of tin ash, isocyanic acid
1.6 parts of ester group propyl-triethoxysilicane, 2.3 parts of APEO, 1 part of glycerophosphate, 4.5 parts of regenerative agent, sodium metasilicate 1.1
Part；
It is 2 that the modified pitch is mass ratio:1:1 natural rubber modified pitch, styrene butadiene rubber modified asphalt and butadiene rubber
The mixture of modified pitch；
It is described to gather materials for size is for 0.1-10mm and mass ratio is 5:1:The mixture of 2 granite, basalt and quartz；
The breeze is calcium carbonate powder of the size less than 0.05mm.
Wherein, the environmentally friendly solvent oil is D95 solvent naphthas.
Wherein, the regenerative agent is existed by coker gasoline, C5 Petropols, terpene resin and diisooctyl phthalate
At 155 DEG C, it is prepared within 3 hours with 4500r/min shearing dispersions, wherein four mass ratio is 50:18:7:4.
The preparation technology of environmental friendly regenerated asphalt, including following preparation process：
Step S1, waste asphalt material is heated to 116 DEG C, stirs 50 minutes, be subsequently adding regenerative agent, environmentally friendly solvent oil, orange
Oil and NCO propyl-triethoxysilicane, at 155 DEG C 40min is stirred, and is subsequently adding 40 mesh junked tire powder,
Disperseed 50 minutes with 4500r/min high speed shears at 145 DEG C, it is standby；
Step S2, will gather materials, smectite, zeolite with carrying silver and lime are well mixed and are preheated to 120 DEG C, are subsequently adding step S1
In, stir 45min at 165 DEG C；
Step S3, Biological asphalt and modified pitch are added to 147 DEG C, breeze is heated to into 160 DEG C, step is then added together
In S2, it is uniformly mixed, adds remaining material, be uniformly mixed at 145 DEG C, obtains final product.
Comparative example 1
Substantially with embodiment 1, its difference part is this comparative example：Without environmentally friendly solvent oil, smectite and sodium metasilicate and its
Correlation step.Its concrete raw material and content, with embodiment 1, will not be described here with preparation technology.
Comparative example 2
Substantially with embodiment 1, its difference part is this comparative example：Without not containing in zeolite with carrying silver and lime, and modifying agent
Diisooctyl phthalate and its correlation step., with preparation technology with embodiment 1, here is no longer gone to live in the household of one's in-laws on getting married for its concrete raw material and content
State.
The properties test of the asphalt prepared by various embodiments above and comparative example below, its test result
Specially：
As seen from the above table, in a higher level, its horse has a rest every pavement performance of the reclaimed asphalt mixture that the present invention is provided
Your stability is up to 10.5-12.1kN, and freeze-thaw split strength ratio reaches 84.2-87.5%, rut dynamic stability up to 4500 times/mm with
On, the deficiency in short supply of asphalt can be alleviated, while the reclaimed asphalt mixture environmental protection, and reasonably make use of discarded
Material, energy saving can become one of new substitute of asphalt compound.
Claims (7)
1. a kind of environmental friendly regenerated asphalt, it is characterised in that be made up of the following component counted by weight：Waste asphalt
Material 10-20 parts, Biological asphalt 3-7 part, modified pitch 1-4 parts, 40 mesh junked tire powder 1-6 parts, 55-70 parts of gathering materials, breeze 5-
13 parts, environmentally friendly solvent oil 2-4 parts, mandarin oil 1-3 parts, coumarone 1.5-3 parts, smectite 2.5-6 parts, zeolite with carrying silver 4-7 parts, stone
Grey 5-9 parts, tin ash 1.6-4 parts, NCO propyl-triethoxysilicane 0.6-2.6 parts, APEO 1.2-3.6
Part, glycerophosphate 0.3-2 parts, regenerative agent 3.2-6 parts, sodium metasilicate 0.4-1.5 parts；
The modified pitch is natural rubber modified pitch, SBS modified pitch, styrene butadiene rubber modified asphalt, butadiene rubber are modified
At least one in pitch；
It is described to gather materials for size is for 0.1-10mm and mass ratio is 5:1:The mixture of 2 granite, basalt and quartz；
The breeze is calcium carbonate powder of the size less than 0.05mm.
2. environmental friendly regenerated asphalt according to claim 1, it is characterised in that the environmentally friendly solvent oil is molten for D40
Agent oil, D95 solvent naphthas or D65 solvent naphthas；It is 2 that the modified pitch is mass ratio:1:1 natural rubber modified pitch, butylbenzene
The mixture of rubber modified asphalt and butadiene rubber modified pitch.
3. environmental friendly regenerated asphalt according to claim 1, it is characterised in that the regenerative agent by coker gasoline,
C5 Petropols, terpene resin and diisooctyl phthalate are little with 4500r/min shearing dispersion 1-3 at 150-180 DEG C
When be prepared, wherein four mass ratio be 50:18:7:4.
4. environmental friendly regenerated asphalt according to claim 1, it is characterised in that by following group counted by weight
It is grouped into：Waste asphalt material 12-19 parts, Biological asphalt 3.5-6.4 part, modified pitch 1.2-3.6 parts, 40 mesh junked tire powder
1.8-5.4 parts, 58-67 parts of gathering materials, breeze 5.7-11 parts, environmentally friendly solvent oil 2.2-3.5 parts, mandarin oil 1.5-2.7 parts, coumarone
It is 1.8-2.6 parts, smectite 2.9-5 parts, zeolite with carrying silver 4.3-6.4 parts, lime 5.3-8.2 parts, tin ash 1.7-3.6 parts, different
Cyanic acid ester group propyl-triethoxysilicane 0.8-2.4 parts, APEO 1.4-3.3 parts, glycerophosphate 0.6-1.5 parts, again
Raw agent 3.7-5.4 parts, sodium metasilicate 0.8-1.4 parts.
5. the preparation technology of the environmental friendly regenerated asphalt according to claim 1-4 any one, it is characterised in that bag
Include following preparation process：
Step S1, waste asphalt material is heated to 110-125 DEG C, stirs 20-60 minutes, be subsequently adding regenerative agent, environmentally friendly solvent
Oil, mandarin oil and NCO propyl-triethoxysilicane, at 130-170 DEG C 15-50min is stirred, and is subsequently adding 40 mesh
Junked tire powder, is disperseed 30-50 minutes at 145 DEG C with 3500-5000r/min high speed shears, standby；
Step S2, will gather materials, smectite, zeolite with carrying silver and lime are well mixed and are preheated to 120 DEG C, are subsequently adding step S1
In, stir 30-60min at 140-170 DEG C；
Step S3, Biological asphalt and modified pitch are added to 140-155 DEG C, breeze is heated to into 145-170 DEG C, then together
In adding step S2, it is uniformly mixed, adds remaining material, be uniformly mixed at 130-160 DEG C, obtains final product.
6. the preparation technology of environmental friendly regenerated asphalt according to claim 5, it is characterised in that step S1,155
40min is stirred at DEG C；Step S1, is disperseed 50 minutes at 145 DEG C with 4500r/min high speed shears.
7. the preparation technology of environmental friendly regenerated asphalt according to claim 5, it is characterised in that step S2,165
45min is stirred at DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611118877.6A CN106587737A (en) | 2016-12-08 | 2016-12-08 | Environment-friendly recycled asphalt mixture and preparation technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611118877.6A CN106587737A (en) | 2016-12-08 | 2016-12-08 | Environment-friendly recycled asphalt mixture and preparation technology thereof |
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| CN106587737A true CN106587737A (en) | 2017-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112341046A (en) * | 2020-10-29 | 2021-02-09 | 四川中广建材有限公司 | Novel asphalt cold-patch material and preparation method thereof |
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| CN105899561A (en) * | 2014-01-17 | 2016-08-24 | 旭化成株式会社 | Polymer and asphalt composition |
| CN105837099A (en) * | 2016-03-23 | 2016-08-10 | 北京盛广拓公路科技有限公司 | Compound regenerative asphalt concrete |
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Application publication date: 20170426 |