CN105778525A - Vegetable oil regenerated asphalt and preparation method thereof - Google Patents

Vegetable oil regenerated asphalt and preparation method thereof Download PDF

Info

Publication number
CN105778525A
CN105778525A CN201610143112.1A CN201610143112A CN105778525A CN 105778525 A CN105778525 A CN 105778525A CN 201610143112 A CN201610143112 A CN 201610143112A CN 105778525 A CN105778525 A CN 105778525A
Authority
CN
China
Prior art keywords
asphalt
component
vegetable oil
plant oil
bitumen regenerant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610143112.1A
Other languages
Chinese (zh)
Other versions
CN105778525B (en
Inventor
索智
孙立军
李好新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongji University
Original Assignee
Tongji University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tongji University filed Critical Tongji University
Priority to CN201610143112.1A priority Critical patent/CN105778525B/en
Publication of CN105778525A publication Critical patent/CN105778525A/en
Application granted granted Critical
Publication of CN105778525B publication Critical patent/CN105778525B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention belongs to the technical field of road engineering materials, and relates to vegetable oil regenerated asphalt. The vegetable oil regenerated asphalt comprises recycled aged asphalt and vegetable oil asphalt regenerating agents; the vegetable oil asphalt regenerating agents comprise a light weight base oil component, a stabilizing component and a modifying component; the light weight base oil component is the light weight vegetable oil which is obtained by pre-treating waste edible oil. A preparation method for the vegetable oil regenerated asphalt comprises the following steps: recycling the aged asphalt from an old asphalt mixed material, and heating to a mixing temperature; adding the vegetable oil asphalt regenerating agents into the recycled aged asphalt which is heated to the mixing temperature for mixing; developing a mixture of the mixed recycled aged asphalt and the vegetable oil asphalt regenerating agents. The vegetable oil regenerated asphalt and the preparation method thereof provided by the invention are high in regeneration efficiency and high in old mixed material utilization rate; the performance of the regenerated asphalt is close to that of new asphalt, but the mixing temperature is low, so that the vegetable oil regenerated asphalt is not easily aged; therefore, the service life of a road is prolonged, energy resources are saved, the environment is protected, and the cost performance is high.

Description

One vegetable oil regeneration asphalt and preparation method thereof
Technical field
The present invention relates to technical field of road engineering materials, particularly relate to vegetable oil regeneration asphalt and preparation method thereof.
Background technology
In recent years, asphalt-regenerating and plant waste oil be recycled as a kind of new technique, be increasingly taken seriously.
The regeneration techniques of bituminous paving, be by old asphalt pavement through milling, recovery, screening pretreating process after, adopt corresponding regeneration techniques again to mix and stir into asphalt by a certain percentage with new asphalt pavement material, enable to meet certain pavement performance the Technology with its surfacing again.Bitumen regenerant is mainly joined old asphalt mixture by traditional Applied of Asphalt Pavement Recycle Technique and heating carries out mixing and stirring regeneration with new Colophonium and mineral aggregate to the high temperature of 150 DEG C-180 DEG C.
At present, plant oil asphalt regeneration techniques receives much concern, in order to the old material ratio being effectively improved in plant oil asphalt regeneration techniques, being badly in need of developing a kind of novel compound warm mix regenerative agent, this will become the initiative technology realizing pavement material energy-conserving and environment-protective and reclamation of old material utilization.
The Chinese invention patent application that publication number is CN104788975A discloses a kind of bitumen regenerant with modified function and preparation method thereof, it by lighter body, modified function component, stable equilibrium component, infiltration enhancement component, dispersed component and fluidised form regulate component and be prepared from, shared by each component, mass fraction is: lighter body 30～60 parts, modified function component 20～35 parts, stable equilibrium component 5～20 parts, infiltration enhancement component 2～15 parts, dispersed component 2～10 parts, fluidised form regulates component 1～10 part.
The Chinese invention patent application that publication number is CN102585529A discloses a kind of bitumen regenerant utilizing waste edible oil to prepare and preparation technology thereof, blended formulated by waste edible oil, plasticizer, stabilizer and age resister, each constituent content is by weight percentage: waste edible oil 85%-95%, plasticizer 2%-5%, stabilizer 2%-5%, age resister 1%-5%.But waste edible oil also comprises much impurity, such as residue in kind etc., and these impurity can to the performance of employing of Colophonium, as fatigue resistance adversely affects.
Summary of the invention
The purpose of the present invention is contemplated to overcome above-mentioned prior art Problems existing, and provides vegetable oil regeneration asphalt and preparation method thereof.The vegetable oil regeneration asphalt of the present invention is based on plant oil based bitumen regenerant, plant oil based bitumen regenerant is a kind of composite high-molecular material, can be added in Colophonium or asphalt directly, once, realize the regeneration of Colophonium or asphalt, and then the solid waste realizing ground surface material utilizes and the double effects of energy-saving and emission-reduction.
Plant oil based bitumen regenerant in the present invention can realize the regeneration of aged asphalt and old asphalt mixture; its aspect ratio can reach 40-50%; the utilization rate of old material significantly improves, and then realizes solid waste recycling and reduce the exploitation of new material, preserves the ecological environment.
The purpose of the present invention can be achieved through the following technical solutions:
First aspect: the present invention provides a kind of plant oil based bitumen regenerant.
A kind of plant oil based bitumen regenerant, including lighter body component, stablizes component and modified component, and wherein, described lighter body is light-weight plant oil, and described light-weight plant oil is preprocessed by waste edible oil, obtains after removing impurity.
Waste edible oil is after high temperature, the phenomenon of light composition volatilization is less likely to occur, but containing many impurity in waste edible oil, such as food debris, the pavement performance of the regeneration efficiency of bitumen regenerant and the Colophonium obtained can be had undesirable effect by these impurity, and after pretreatment, make the impurity in waste edible oil, such as food debris, be removed, it is made to obtain purification, and then make the pavement performance of regeneration asphalt, such as fatigue resistance, improved, it is really achieved the regeneration of Colophonium, and asphalt-regenerating efficiency is high.
Preferably, described pretreatment includes centrifugal and/or filters.
In any of the above-described scheme preferably, described centrifugal rotating speed is 8000r/min, and centrifugation time is 10min.
In any of the above-described scheme preferably, described filtration is to be undertaken by filter paper or filter screen.
In any of the above-described scheme preferably, the aperture of described filter screen is 0.667mm, and the aperture of filter paper is 90 μm.
In any of the above-described scheme preferably, described plant oil based bitumen regenerant is uniformly dispersed for wherein each component, it does not have the homogeneous complex of isolation lamination.
In any of the above-described scheme preferably, described plant oil based bitumen regenerant adds after in Colophonium, described plant oil based bitumen regenerant is reacted with the crosslinking (hardening) reclaimed between aged asphalt by described component of stablizing, stable spacial framework is formed with described recovery aged asphalt, aged asphalt will be reclaimed wrap up in a network, keep chemical equilibrium, reduce surface tension, prevent light, thermal decomposition or oxidation Decomposition, stop described lighter body component and reclaim the separation of aged asphalt, significantly reduce recovery aged asphalt viscosity, improve processing performance, improve the plasticity of bituminous cements.
In any of the above-described scheme preferably, described component of stablizing includes resin and stearic acid.Resin and stearic acid can with described recovery aged asphalt generation cross-linking reactions, described plant oil based bitumen regenerant is finally made to form the solidfied material of three-dimensional crosslinking structure with described recovery aged asphalt, Stability Analysis of Structures, and macroscopically significantly reducing recovery aged asphalt viscosity, improve processing performance, improve the plasticity of bituminous cements so that reclaim aged asphalt and obtain regeneration.
In any of the above-described scheme preferably, described stablizing in component, resin and stearic mass ratio are 1:1.
But, in order to aged asphalt is peeled off from old compound, need to add substantial amounts of trichloro ethylene, after making aged asphalt regeneration, its viscosity can be more on the low side than new Colophonium, and adds resin in regenerative agent, can increase the viscosity of regeneration asphalt, make its viscosity close to new Colophonium so that the caking property of regeneration asphalt is close to new Colophonium.
In any of the above-described scheme preferably, described resin is Petropols, it is preferred to C5 Petropols or C9 Petropols.
In any of the above-described scheme preferably, described modified component is used for improving further pavement performance and the surface characteristic of regeneration asphalt.
In any of the above-described scheme preferably, described modified component includes white carbon black and/or Calx.Add Calx and/or white carbon black, be conducive to improving fatigue resistance and the water stability of regeneration asphalt, and then improve fatigue resistance and the water stability of reclaimed asphalt mixture.Wherein Calx can be quick lime or Calx, it is possible to reaches identical effect.
In any of the above-described scheme preferably, the particle diameter of described white carbon black is 10nm.
Under resin and stearic effect, white carbon black or Calx can be uniformly dispersed in described light-weight plant oil, and form homogeneous product with described light-weight plant oil, resin, stearic acid, do not have the phenomenon of laminated segregation.
In order to reach certain effect, those skilled in the art can select other stable component and modified component, as added other stable component and/or modified components, or replace aforementioned stable component and/or modified component, and concrete particle diameter can carry out selecting or changing according to actual needs.
In any of the above-described scheme preferably, in described plant oil based bitumen regenerant, the mass percent of each component is that light-weight plant line of oils is divided into 60-90%, stablizes component 5-20%, modified component 5-20%.
In any of the above-described scheme preferably, in described plant oil based bitumen regenerant, the mass percent of each component is that light-weight plant line of oils is divided into 70-90%, stablizes component 5-15%, modified component 5-15%.
In any of the above-described scheme preferably, in described plant oil based bitumen regenerant, the mass percent of each component is that light-weight plant line of oils is divided into 80-90%, stablizes component 5-10%, modified component 5-10%.
Vegetable oil in described plant oil based bitumen regenerant can make the asphalitine in recovery aged asphalt well be disperseed so that regeneration temperature reduces, and saves the energy, operates safety.
Light-weight plant is oily, stablize component and modified component according to above mass percent proportioning, the bitumen regenerant obtained, there is high recovery aged asphalt regeneration efficiency, and the performance of regeneration asphalt well can be improved, and then the performance of reclaimed asphalt mixture is improved.If the mass percent of light-weight plant oil is more than 90%, can cause that the described content stablizing component and/or modified component is on the low side, and the stability of described bitumen regenerant is had undesirable effect, and/or, the modified performance of regeneration asphalt can not well be improved；And if the content of described light-weight plant oil ingredient is lower than 60%, causing that described bitumen regenerant is when regeneration asphalt, the asphalitine reclaiming aged asphalt can not well scatter, and reduces regeneration efficiency, reduces the utilization rate of old compound, reduces cost performance.
The plant oil based bitumen regenerant (i.e. a first aspect of the present invention) of the present invention, nontoxic, pollution-free, non-corrosiveness, can stable existence, the phenomenon of isolation layering will not be produced, raw material is common, it is readily available, cheap, and the regeneration effect reclaiming aged asphalt is good, regeneration efficiency is high, environmentally friendly, there is important economic implications and social meaning simultaneously, the Colophonium of the bitumen regenerant regeneration of the present invention, pavement performance, especially fatigue resistance and water stability, improved, and then improve the pavement performance of reclaimed asphalt mixture, extend Road Service Life.
The bitumen regenerant of the present invention, adopt the treated light-weight plant oil of waste edible oil as substrate, due to waste edible oil, frying fried through high temperature etc., volatile component therein is absent from already, and the temperature of waste edible oil experience is commonly used often higher than Colophonium and is mixed and stirred temperature, this makes in the process reclaiming aged asphalt regeneration, prepares in the process of compound, described light-weight plant oil will not volatilize, reduce regeneration asphalt premature ageing, and then make the life of reclaimed asphalt mixture, and regeneration efficiency is high.
The plant oil based bitumen regenerant of the present invention, moreover it is possible to reduction recovery aged asphalt mixes and stirs temperature and can be reduced to 110 DEG C, reduces operational hazards, saves the energy.
Second aspect: the preparation method that the present invention also provides for a kind of plant oil based bitumen regenerant.
The preparation method of plant oil based bitumen regenerant, comprises the following steps:
(1) with waste edible oil for raw material, carry out pretreatment, separate and obtain light-weight plant oil ingredient；
(2) weigh appropriate described light-weight plant oil ingredient, and with stable component and modified component Homogeneous phase mixing；
(3), after ageing at normal temperatures, described plant oil based bitumen regenerant is namely obtained.
Bitumen regenerant preparation method prepared by the present invention, it is possible to increase the content of light component in Colophonium, reduce asphalt content, effectively reduce pitch viscosity, recover asphalt performance.
Described light-weight plant oil ingredient with described stablize component and modified component mix and stir after formation composite, described composite is plant oil based bitumen regenerant.
Preferably, described pretreatment includes centrifugal and/or filters.
In any of the above-described scheme preferably, described centrifugal rotating speed is 8000r/min, and centrifugation time is 10min.
In any of the above-described scheme preferably, described filtration is to be undertaken by filter paper or filter screen.
In any of the above-described scheme preferably, the aperture of described filter screen is 0.667mm, and the aperture of filter paper is 90 μm.
In any of the above-described scheme preferably, described centrifugal and/or filtration adopts filter centrifugal to be centrifuged filtering, it may be achieved is centrifuged and filters a step and complete, simple to operation.
In any of the above-described scheme preferably, described waste edible oil is before being centrifuged, filtering, first waste edible oil is carried out precipitation, to obtain better waste edible oil pretreating effect, impurity in the light-weight plant oil obtained is less, and the plant oil based bitumen regenerant prepared is higher to the regeneration efficiency reclaiming aged asphalt.
In any of the above-described scheme preferably, described precipitation carries out 48～72 hours, it is preferable that 48 hours, 60 hours or 72 hours.
In any of the above-described scheme preferably, described component of stablizing includes resin and stearic acid.
In any of the above-described scheme preferably, described stablizing in component, resin and stearic mass ratio are 1:1.
In any of the above-described scheme preferably, before described resin is oily with described light-weight plant and described modified component mixes, first makes it melt, form fluid, in order to described light-weight plant oil and modified component Homogeneous phase mixing.
In any of the above-described scheme preferably, described resin is Petropols, more preferably C5 Petropols or C9 Petropols.
In any of the above-described scheme preferably, described modified component includes white carbon black and/or Calx.Add Calx or white carbon black, be conducive to improving fatigue resistance and the water stability of regeneration asphalt, and then heighten fatigue resistance and the water stability of reclaimed asphalt mixture.Wherein Calx can be quick lime or Calx, it is possible to reaches identical effect.
In any of the above-described scheme preferably, the particle diameter of described white carbon black is 10nm.
In any of the above-described scheme preferably, described light-weight plant oil ingredient is 2-5h, more preferably 3-4h with the digestion time of stablized component and modified component.
The present invention proves through lot of experiments, and at 2-5h, especially in the digestion time of 3-4h, three kinds of materials can be sufficiently mixed uniformly.
In any of the above-described scheme preferably, in described plant oil based bitumen regenerant, the mass percent of each component is, light-weight plant oil ingredient 60-90% stablizes component 5-20%, modified component 5-20%.
In any of the above-described scheme preferably, in described plant oil based bitumen regenerant, the mass percent of each component is, light-weight plant oil ingredient 70-90% stablizes component 5-15%, modified component 5-15%.
In any of the above-described scheme preferably, in described plant oil based bitumen regenerant, the mass percent of each component is that light-weight plant line of oils is divided into 80-90%, stablizes component 5-10%, modified component 5-10%.
Light-weight plant is oily, stablize component and modified component according to above mass percent proportioning, the bitumen regenerant obtained, there is high recovery aged asphalt regeneration efficiency, and the performance of regeneration asphalt well can be improved, and then the performance of reclaimed asphalt mixture is improved.If the mass percent of light-weight plant oil is more than 90%, can cause that the described content stablizing component and/or modified component is on the low side, and the stability of described bitumen regenerant is had undesirable effect, and/or, the modified performance of regeneration asphalt can not well be improved；And if the content of described light-weight plant oil ingredient is lower than 60%, causing that described bitumen regenerant is when regeneration asphalt, the asphalitine reclaiming aged asphalt can not well scatter, and reduces regeneration efficiency, reduces the utilization rate of old compound, reduces cost performance.
Plant oil based bitumen regenerant described in first aspect present invention has the advantage that
Described plant oil based bitumen regenerant is high to the regeneration efficiency reclaiming aged asphalt, when its addition is 0.06 times that reclaims aged asphalt, can meet the regeneration reclaiming aged asphalt, and consumption is few.
Preparation method described in second aspect present invention, using vegetable oil as primary raw material, effectively solves the recycling problem of plant waste oil；Make Bituminous concrete surface be re-used, reach the purpose of energy-saving and emission-reduction and twice laid；Easy and simple to handle, with low cost, it is easy to implement.
Bitumen regenerant prepared by the preparation method described in second aspect present invention, make in the process reclaiming aged asphalt regeneration, prepare in the process of compound, described light-weight plant oil will not volatilize, reduce regeneration asphalt premature ageing, and then make the life of reclaimed asphalt mixture, and regeneration efficiency is high, moreover it is possible to reduces and reclaims aged asphalt and mix and stir temperature and can be reduced to 110 DEG C, reduce operational hazards, save the energy.
The plant oil based bitumen regenerant Colophonium of first aspect present invention is prepared preferably by the preparation method described in second aspect, but also as restriction, say, that the plant oil based bitumen regenerant of first aspect prepares also by other method.
The third aspect: the present invention also provides for a vegetable oil regeneration asphalt.
One vegetable oil regeneration asphalt, for a kind of composite, described vegetable oil regeneration asphalt includes reclaiming aged asphalt and plant oil based bitumen regenerant, described plant oil based bitumen regenerant includes lighter body component, stablizes component and modified component, wherein, described lighter body is light-weight plant oil, and described light-weight plant oil is preprocessed by waste edible oil, obtains after removing impurity.
Waste edible oil is after high temperature, the phenomenon of light composition volatilization will not be susceptible to, but containing many impurity in waste edible oil, such as food debris, the pavement performance of the regeneration efficiency of bitumen regenerant and the Colophonium obtained can be had undesirable effect by these impurity, and after pretreatment, make the impurity in waste edible oil, such as food debris, be removed, it is made to obtain purification, and then make the pavement performance of regeneration asphalt, such as fatigue resistance, improved, it is really achieved the regeneration of Colophonium, and asphalt-regenerating efficiency is high.
Preferably, described pretreatment includes centrifugal and/or filters.
In any of the above-described scheme preferably, described centrifugal rotating speed is 8000r/min, and centrifugation time is 10min.
In any of the above-described scheme preferably, described filtration is to be undertaken by filter paper or filter screen.
In any of the above-described scheme preferably, the aperture of described filter screen is 0.667mm, and the aperture of filter paper is 90 μm.
In any of the above-described scheme preferably, described centrifugal and/or filtration adopts filter centrifugal to be centrifuged filtering, it may be achieved is centrifuged and filters a step and complete, simple to operation.
In any of the above-described scheme preferably, described plant oil based bitumen regenerant is uniformly dispersed for wherein each component, it does not have the homogeneous complex of isolation lamination.
In any of the above-described scheme preferably, described plant oil based bitumen regenerant adds after in Colophonium, described plant oil based bitumen regenerant is reacted with the crosslinking (hardening) reclaimed between aged asphalt by described component of stablizing, stable spacial framework is formed with described recovery aged asphalt, aged asphalt will be reclaimed wrap up in a network, keep chemical equilibrium, reduce surface tension, prevent light, thermal decomposition or oxidation Decomposition, stop described lighter body component and reclaim the separation of aged asphalt, significantly reduce recovery aged asphalt viscosity, improve processing performance, improve the plasticity of bituminous cements.
In any of the above-described scheme preferably, described component of stablizing includes resin and stearic acid.Resin and stearic acid can with described recovery aged asphalt generation cross-linking reactions, described plant oil based bitumen regenerant is finally made to form the solidfied material of three-dimensional crosslinking structure with described recovery aged asphalt, Stability Analysis of Structures, and macroscopically significantly reducing recovery aged asphalt viscosity, improve processing performance, improve the plasticity of bituminous cements so that reclaim aged asphalt and obtain regeneration.
In any of the above-described scheme preferably, described stablizing in component, resin and stearic mass ratio are 1:1.
But, in order to aged asphalt is peeled off from old compound, need to add substantial amounts of trichloro ethylene, after making aged asphalt regeneration, its viscosity can be more on the low side than new Colophonium, and adds resin in regenerative agent, can increase the viscosity of regeneration asphalt, make its viscosity close to new Colophonium so that the caking property of regeneration asphalt is close to new Colophonium.
In any of the above-described scheme preferably, described resin is Petropols, more preferably C5 Petropols or C9 Petropols.
In any of the above-described scheme preferably, described modified component is used for improving further pavement performance and the surface characteristic of regeneration asphalt.
In any of the above-described scheme preferably, described modified component includes white carbon black and/or Calx.Add Calx or white carbon black, be conducive to improving fatigue resistance and the water stability of regeneration asphalt, and then improve fatigue resistance and the water stability of reclaimed asphalt mixture.Wherein Calx can be quick lime or Calx, it is possible to reaches identical effect.
In any of the above-described scheme preferably, the particle diameter of described white carbon black is 10nm.
Under resin and stearic effect, white carbon black or Calx can be uniformly dispersed in described light-weight plant oil, and form homogeneous product with described light-weight plant oil, resin, stearic acid, do not have the phenomenon of laminated segregation.
In order to reach certain effect, those skilled in the art can select other stable component and modified component, as added other stable component and/or modified components, or replace aforementioned stable component and/or modified component, and concrete particle diameter can carry out selecting or changing according to actual needs.
In any of the above-described scheme preferably, in described plant oil based bitumen regenerant, the mass percent of each component is that light-weight plant line of oils is divided into 60-90%, stablizes component 5-20%, modified component 5-20%.
In any of the above-described scheme preferably, in described plant oil based bitumen regenerant, the mass percent of each component is that light-weight plant line of oils is divided into 70-90%, stablizes component 5-15%, modified component 5-15%.
In any of the above-described scheme preferably, in described plant oil based bitumen regenerant, the mass percent of each component is that light-weight plant line of oils is divided into 80-90%, stablizes component 5-10%, modified component 5-10%.
In any of the above-described scheme preferably, in described vegetable oil regeneration asphalt, the mass percent of each component is, reclaims aged asphalt 90-94%, plant oil based bitumen regenerant 6-10%.
In any of the above-described scheme preferably, aged asphalt 91-93%, plant oil based bitumen regenerant 7-9% are reclaimed.
In any of the above-described scheme preferably, aged asphalt 92%, plant oil based bitumen regenerant 8% are reclaimed.
Due to the plant oil based bitumen regenerant of first aspect present invention, its regeneration efficiency is high, when adding 0.06 times that reclaims aged asphalt quality, can obtain good regeneration effect.
The vegetable oil regeneration asphalt of the present invention, nontoxic, pollution-free, raw material is common, cheap, environmentally friendly, it is possible to recovers the properties of Colophonium preferably, reaches the purpose of energy-saving and emission-reduction simultaneously.This vegetable oil regeneration asphalt can be widely used for the regions such as urban road, street, airport, harbour and mine.
The 3rd described vegetable oil regeneration asphalt of the present invention, regeneration efficiency is high, and old compound utilization rate is high; turn waste into wealth, and the performance of regeneration asphalt is close to new Colophonium, even identical with new Colophonium; can be good at being applicable to road, and, compared to new Colophonium; light-weight plant oil ingredient therein is not easy volatilization; regeneration asphalt is not easily aging so that road occupation time lengthening, saves the energy; protection environment, cost performance is high.
Fourth aspect, the preparation method that the present invention also provides for a kind of above-mentioned vegetable oil regeneration asphalt, comprise the following steps:
(1) mode of extraction device extracting is adopted to receive aged asphalt old asphalt mixture；
(2) recovery aged asphalt is heated to mixing and stirring temperature；
(3) plant oil based bitumen regenerant is added in the recovery aged asphalt having been heated to mix and stir temperature mix and stir；
(4) mixture reclaiming aged asphalt and plant oil based bitumen regenerant after mixing and stirring is put in baking oven grow.
Preferably, described recovery aged asphalt is 110-160 DEG C with the temperature of mixing and stirring of plant oil based bitumen regenerant.It is further preferred that mix and stir temperature to be 130-150 DEG C.Due to the regenerative agent of the present invention, aged asphalt will be reclaimed and heat to 110 DEG C, and asphalitine therein can be made to soften, become fluid state, it is simple to mix and stir with plant oil based bitumen regenerant.
In any of the above-described scheme preferably, described recovery aged asphalt is 5-60min with the mixing time of plant oil based bitumen regenerant.Preferably, the mixing time is 20-40min.
In any of the above-described scheme preferably, described recovery aged asphalt is 110 DEG C-160 DEG C with the developmental temperature of plant oil based bitumen regenerant.After recovery aged asphalt and plant oil based bitumen regenerant are mixed and stirred, it is incubated further, it is ensured that Colophonium mass-energy scatter well so that the favorable regeneration effect of Colophonium.
In any of the above-described scheme preferably, described recovery aged asphalt is 30-60min with the development time of plant oil based bitumen regenerant.
In any of the above-described scheme preferably, the mixing method of described recovery aged asphalt and plant oil based bitumen regenerant is shear agitation, and stir speed (S.S.) is 2000-10000r/min.Using boxshear apparatus to carry out mixing and stirring at a high speed, stir speed (S.S.) is preferably 4000-6000r/min.
In any of the above-described scheme preferably, in described vegetable oil regeneration asphalt, the mass percent of each component is, reclaims aged asphalt 90-94%, plant oil based bitumen regenerant 6-10%.It may further be preferable that reclaim aged asphalt 91-93%, plant oil based bitumen regenerant 7-9%.It is further preferred that reclaim aged asphalt 92%, plant oil based bitumen regenerant 8%.
In any of the above-described scheme preferably, the preparation method of described plant oil based bitumen regenerant, comprise the following steps:
(1) with waste edible oil for raw material, carry out pretreatment, separate and obtain light-weight plant oil ingredient；
(2) weigh appropriate described light-weight plant oil ingredient, and with stable component and modified component Homogeneous phase mixing；
(3), after ageing at normal temperatures, described plant oil based bitumen regenerant is namely obtained.
Bitumen regenerant preparation method prepared by the present invention, it is possible to increase the content of light component in Colophonium, reduce asphalt content, effectively reduce pitch viscosity, recover asphalt performance.
Described light-weight plant oil ingredient forms composite after mixing and stirring with stablized component and modified component, and described composite is plant oil based bitumen regenerant.
In any of the above-described scheme preferably, described pretreatment includes centrifugal and/or filters.
In any of the above-described scheme preferably, described centrifugal rotating speed is 8000r/min, and centrifugation time is 10min.
In any of the above-described scheme preferably, described filtration is to be undertaken by filter paper or filter screen.
In any of the above-described scheme preferably, the aperture of described filter screen is 0.667mm, and the aperture of filter paper is 90 μm.
In any of the above-described scheme preferably, described centrifugal and/or filtration adopts filter centrifugal to be centrifuged filtering, it may be achieved is centrifuged and filters a step and complete, simple to operation.
In any of the above-described scheme preferably, described waste edible oil is before being centrifuged, filtering, first waste edible oil is carried out precipitation, to obtain better waste edible oil pretreating effect, impurity in the light-weight plant oil obtained is less, and the plant oil based bitumen regenerant prepared is higher to the regeneration efficiency reclaiming aged asphalt.
In any of the above-described scheme preferably, described precipitation carries out 48 hours.
In any of the above-described scheme preferably, described precipitation carries out 60 hours.
In any of the above-described scheme preferably, described precipitation carries out 72 hours.
In any of the above-described scheme preferably, described component of stablizing includes resin and stearic acid.
In any of the above-described scheme preferably, before described resin is oily with described light-weight plant and described modified component mixes, first makes it melt, form fluid, in order to described light-weight plant oil and modified component Homogeneous phase mixing.
In any of the above-described scheme preferably, described resin is Petropols.
In any of the above-described scheme preferably, described resin is C5 Petropols.
In any of the above-described scheme preferably, described resin is C9 Petropols.
In any of the above-described scheme preferably, described modified component includes white carbon black and/or Calx.Add Calx or white carbon black, be conducive to improving fatigue resistance and the water stability of regeneration asphalt, and then heighten fatigue resistance and the water stability of reclaimed asphalt mixture.Wherein Calx can be quick lime or Calx, it is possible to reaches identical effect.
In any of the above-described scheme preferably, the particle diameter of described white carbon black is 10nm.
In any of the above-described scheme preferably, described light-weight plant oil ingredient is 2-5h with the digestion time of stablized component and modified component.
In any of the above-described scheme preferably, described light-weight plant oil ingredient is 3-4h with the digestion time of stablized component and modified component.
The present invention proves through lot of experiments, and in the digestion time of 2-5h, three kinds of materials can be sufficiently mixed uniformly.Preferably, digestion time is 3-4h.
The vegetable oil regeneration asphalt preparation method of the present invention, the vegetable oil regeneration asphalt obtained, performance is close to new Colophonium; even identical with new Colophonium; can be good at being applicable to road, and, compared to new Colophonium; light-weight plant oil ingredient therein is not easy volatilization; regeneration asphalt is not easily aging so that road occupation time lengthening, saves the energy; protection environment, cost performance is high.
5th aspect, the present invention also provides for a vegetable oil reclaimed asphalt mixture.
One vegetable oil reclaimed asphalt mixture, for composite, described vegetable oil reclaimed asphalt mixture includes mineral aggregate, reclaims mineral aggregate and vegetable oil regeneration asphalt, described vegetable oil regeneration asphalt includes reclaiming aged asphalt and plant oil based bitumen regenerant, described plant oil based bitumen regenerant includes lighter body component, stablizes component and modified component, and wherein, described lighter body is light-weight plant oil, described light-weight plant oil is preprocessed by waste edible oil, obtains after removing impurity.
Waste edible oil is after high temperature, the phenomenon of light composition volatilization will not be susceptible to, but containing many impurity in waste edible oil, such as food debris, the pavement performance of the regeneration efficiency of bitumen regenerant and the Colophonium obtained can be had undesirable effect by these impurity, and after pretreatment, make the impurity in waste edible oil, such as food debris, be removed, it is made to obtain purification, and then make the pavement performance of regeneration asphalt, such as fatigue resistance, improved, it is really achieved the regeneration of Colophonium, and asphalt-regenerating efficiency is high.
Preferably, described pretreatment includes centrifugal and/or filters.
In any of the above-described scheme preferably, described centrifugal rotating speed is 8000r/min, and centrifugation time is 10min.
In any of the above-described scheme preferably, described filtration is to be undertaken by filter paper or filter screen.
In any of the above-described scheme preferably, the aperture of described filter screen is 0.667mm, and the aperture of filter paper is 90 μm.
In any of the above-described scheme preferably, described plant oil based bitumen regenerant is uniformly dispersed for wherein each component, it does not have the homogeneous complex of isolation lamination.
In any of the above-described scheme preferably, described plant oil based bitumen regenerant adds after in Colophonium, described plant oil based bitumen regenerant is reacted with the crosslinking (hardening) reclaimed between aged asphalt by described component of stablizing, stable spacial framework is formed with described recovery aged asphalt, aged asphalt will be reclaimed wrap up in a network, keep chemical equilibrium, reduce surface tension, prevent light, thermal decomposition or oxidation Decomposition, stop described lighter body component and reclaim the separation of aged asphalt, significantly reduce recovery aged asphalt viscosity, improve processing performance, improve the plasticity of bituminous cements.
In any of the above-described scheme preferably, described component of stablizing includes resin and stearic acid.Resin and stearic acid can with described recovery aged asphalt generation cross-linking reactions, described plant oil based bitumen regenerant is finally made to form the solidfied material of three-dimensional crosslinking structure with described recovery aged asphalt, Stability Analysis of Structures, and macroscopically significantly reducing recovery aged asphalt viscosity, improve processing performance, improve the plasticity of bituminous cements so that reclaim aged asphalt and obtain regeneration.
In any of the above-described scheme preferably, described stablizing in component, resin and stearic mass ratio are 1:1.
But, in order to aged asphalt is peeled off from old compound, need to add substantial amounts of trichloro ethylene, after making aged asphalt regeneration, it adheres to can be more on the low side than new Colophonium, and adds resin in regenerative agent, can increase the viscosity of regeneration asphalt, make its viscosity close to new Colophonium so that the caking property of regeneration asphalt is close to new Colophonium.
In any of the above-described scheme preferably, described resin is Petropols.
In any of the above-described scheme preferably, described resin is C5 Petropols.
In any of the above-described scheme preferably, described resin is C9 Petropols.
In any of the above-described scheme preferably, described modified component is used for improving further pavement performance and the surface characteristic of regeneration asphalt.
In any of the above-described scheme preferably, described modified component includes white carbon black and/or Calx.Add Calx or white carbon black, be conducive to improving fatigue resistance and the water stability of regeneration asphalt, and then heighten fatigue resistance and the water stability of reclaimed asphalt mixture.Wherein Calx can be quick lime or Calx, it is possible to reaches identical effect.
In any of the above-described scheme preferably, the particle diameter of described white carbon black is 10nm.
Under resin and stearic effect, white carbon black or Calx can be uniformly dispersed in described light-weight plant oil, and form homogeneous product with described light-weight plant oil, resin, stearic acid, do not have the phenomenon of laminated segregation.
In order to reach certain effect, those skilled in the art can select other stable component and modified component, as added other stable component and/or modified components, or replace aforementioned stable component and/or modified component, and concrete particle diameter can carry out selecting or changing according to actual needs.
In any of the above-described scheme preferably, in described plant oil based bitumen regenerant, the mass percent of each component is that light-weight plant line of oils is divided into 60-90%, stablizes component 5-20%, modified component 5-20%.
In any of the above-described scheme preferably, in described plant oil based bitumen regenerant, the mass percent of each component is that light-weight plant line of oils is divided into 70-90%, stablizes component 5-15%, modified component 5-15%.
In any of the above-described scheme preferably, in described plant oil based bitumen regenerant, the mass percent of each component is that light-weight plant line of oils is divided into 80-90%, stablizes component 5-10%, modified component 5-10%.
In any of the above-described scheme preferably, in described vegetable oil regeneration asphalt, the mass percent of each component is, reclaims aged asphalt 90-94%, plant oil based bitumen regenerant 6-10%.Preferably, aged asphalt 91-93%, plant oil based bitumen regenerant 7-9% are reclaimed.It is further preferred that reclaim aged asphalt 92%, plant oil based bitumen regenerant 8%.
In any of the above-described scheme preferably, in described vegetable oil reclaimed asphalt mixture, the mass percent of each component is, mineral aggregate 40-60%, reclaims mineral aggregate 35-45%, vegetable oil regeneration asphalt 5-15%.
In any of the above-described scheme preferably, described mineral aggregate is alkali aggregate.
In any of the above-described scheme preferably, described mineral aggregate is basalt and/or diabase.
In any of the above-described scheme preferably, the particle diameter of described mineral aggregate is 26.5-37.5mm, 19.0-26.5mm, 16.0-19.0mm, 13.2-16.0mm, 4.75-9.5mm, 0.15-2.36mm and 0-0.075mm.
In any of the above-described scheme preferably, in described mineral aggregate, the mass percent of each particle diameter mineral aggregate is, particle diameter 26.5-37.5mm is 0-10%, particle diameter 19.0-26.5mm be 0-10%, particle diameter 16.0-19.0mm be 0-20%, particle diameter 13.2-16.0mm be 0-20%, particle diameter 4.75-9.5mm be 15-50%, particle diameter 0.15-2.36mm be 40-70%, particle diameter 0-0.075mm is 10-15%.
The grating of described mineral aggregate meets the requirement of " standard specification for construction and acceptance of highway asphalt pavement " (JTGE20-2011), and disclosure satisfy that the construction requirements of asphalt highway upper, middle and lower surface layer.
The functional effect of the vegetable oil reclaimed asphalt mixture of the present invention is good, it is little to pollute, cost is low, vegetable oil regeneration asphalt mixes and stirs with recovery mineral aggregate, new mineral aggregate, and the reclaimed asphalt mixture thus prepared also has good surface characteristic possessing good pavement performance while.
The vegetable oil reclaimed asphalt mixture of the present invention, regeneration asphalt therein is not easily aging so that described vegetable oil reclaimed asphalt mixture uses time lengthening, saves the energy, protects environment, and cost performance is high.
Plant oil based bitumen regenerant adds Calx or white carbon black, is conducive to improving fatigue resistance and the water stability of vegetable oil regeneration asphalt, and then heightens fatigue resistance and the water stability of reclaimed asphalt mixture.
Plant oil based bitumen regenerant prepared by the preparation method of the present invention, make in the process reclaiming aged asphalt regeneration, prepare in the process of compound, described light-weight plant oil will not volatilize, reduce regeneration asphalt premature ageing, and then make the life of reclaimed asphalt mixture, and regeneration efficiency is high, moreover it is possible to reduces and reclaims aged asphalt and mix and stir temperature and can be reduced to 110 DEG C, reduce operational hazards, save the energy.
6th aspect, the preparation method that the present invention also provides for a kind of above-mentioned vegetable oil reclaimed asphalt mixture.
The preparation method of above-mentioned vegetable oil reclaimed asphalt mixture, comprises the following steps:
(1) new mineral aggregate and old mineral aggregate are mixed and stirred；
(2) vegetable oil regeneration asphalt is mixed and stirred with new mineral aggregate, recovery mineral aggregate；
Described vegetable oil regeneration asphalt includes reclaiming aged asphalt and plant oil based bitumen regenerant；
Described plant oil based bitumen regenerant is light-weight plant oil ingredient, stablizes component and modified component, and wherein, described lighter body is light-weight plant oil, and described light-weight plant oil is preprocessed by waste edible oil, obtains after removing impurity.
Preferably, the preparation method of described vegetable oil regeneration asphalt, comprise the following steps:
(1) mode of extraction device extracting is adopted to receive aged asphalt old asphalt mixture；
(2) recovery aged asphalt is heated to mixing and stirring temperature；
(3) plant oil based bitumen regenerant is added in the recovery aged asphalt having been heated to mix and stir temperature mix and stir；
(4) mixture reclaiming aged asphalt and plant oil based bitumen regenerant after mixing and stirring is put in baking oven grow.
Preferably, described recovery aged asphalt is 110-160 DEG C with the temperature of mixing and stirring of plant oil based bitumen regenerant.It is further preferred that mix and stir temperature to be 130-150 DEG C.Due to the regenerative agent of the present invention, aged asphalt will be reclaimed and heat to 110 DEG C, and asphalitine therein can be made to soften, become fluid state, it is simple to mix and stir with plant oil based bitumen regenerant.
In any of the above-described scheme preferably, described recovery aged asphalt is 5-60min with the mixing time of plant oil based bitumen regenerant.Preferably, the mixing time is 20-40min.
In any of the above-described scheme preferably, described recovery aged asphalt is 110 DEG C-160 DEG C with the developmental temperature of plant oil based bitumen regenerant.After recovery aged asphalt and plant oil based bitumen regenerant are mixed and stirred, it is incubated further, it is ensured that Colophonium mass-energy scatter well so that the favorable regeneration effect of Colophonium.
In any of the above-described scheme preferably, described recovery aged asphalt is 30-60min with the development time of plant oil based bitumen regenerant.
In any of the above-described scheme preferably, the mixing method of described recovery aged asphalt and plant oil based bitumen regenerant is shear agitation, and stir speed (S.S.) is 2000-10000r/min.Using boxshear apparatus to carry out mixing and stirring at a high speed, stir speed (S.S.) is preferably 4000-6000r/min.
In any of the above-described scheme preferably, in described vegetable oil regeneration asphalt, the mass percent of each component is, reclaims aged asphalt 90-94%, plant oil based bitumen regenerant 6-10%.Preferably, aged asphalt 91-93%, plant oil based bitumen regenerant 7-9% are reclaimed.It is further preferred that reclaim aged asphalt 92%, plant oil based bitumen regenerant 8%.
In any of the above-described scheme preferably, the preparation method of described plant oil based bitumen regenerant, comprise the following steps:
(1) with waste edible oil for raw material, carry out pretreatment, separate and obtain light-weight plant oil ingredient；
(2) weigh appropriate described light-weight plant oil ingredient, and with stable component and modified component Homogeneous phase mixing；
(3), after ageing at normal temperatures, described plant oil based bitumen regenerant is namely obtained.
Bitumen regenerant preparation method prepared by the present invention, it is possible to increase the content of light component in Colophonium, reduce asphalt content, effectively reduce pitch viscosity, recover asphalt performance.
Described light-weight plant oil ingredient forms composite after mixing and stirring with stablized component and modified component, and described composite is plant oil based bitumen regenerant.
In any of the above-described scheme preferably, described pretreatment includes centrifugal and/or filters.
In any of the above-described scheme preferably, described centrifugal rotating speed is 8000r/min, and centrifugation time is 10min.
In any of the above-described scheme preferably, described filtration is to be undertaken by filter paper or filter screen.
In any of the above-described scheme preferably, the aperture of described filter screen is 0.667mm, and the aperture of filter paper is 90 μm.
In any of the above-described scheme preferably, described centrifugal and/or filtration adopts filter centrifugal to be centrifuged filtering, it may be achieved is centrifuged and filters a step and complete, simple to operation.
In any of the above-described scheme preferably, described waste edible oil is before being centrifuged, filtering, first waste edible oil is carried out precipitation, to obtain better waste edible oil pretreating effect, impurity in the light-weight plant oil obtained is less, and the plant oil based bitumen regenerant prepared is higher to the regeneration efficiency reclaiming aged asphalt.
In any of the above-described scheme preferably, described precipitation carries out 48 hours.
In any of the above-described scheme preferably, described precipitation carries out 60 hours.
In any of the above-described scheme preferably, described precipitation carries out 72 hours.
In any of the above-described scheme preferably, described component of stablizing includes resin and stearic acid.
In any of the above-described scheme preferably, described stablizing in component, resin and stearic mass ratio are 1:1.
In any of the above-described scheme preferably, before described resin is oily with described light-weight plant and described modified component mixes, first makes it melt, form fluid, in order to described light-weight plant oil and modified component Homogeneous phase mixing.
In any of the above-described scheme preferably, described resin is Petropols.
In any of the above-described scheme preferably, described resin is C5 Petropols.
In any of the above-described scheme preferably, described resin is C9 Petropols.
In any of the above-described scheme preferably, described modified component includes white carbon black and/or Calx.Add Calx or white carbon black, be conducive to improving fatigue resistance and the water stability of regeneration asphalt, and then heighten fatigue resistance and the water stability of reclaimed asphalt mixture.Wherein Calx can be quick lime or Calx, it is possible to reaches identical effect.
In any of the above-described scheme preferably, the particle diameter of described white carbon black is 10nm.
In any of the above-described scheme preferably, described light-weight plant oil ingredient is 2-5h with the digestion time of stablized component and modified component.
In any of the above-described scheme preferably, described light-weight plant oil ingredient is 3-4h with the digestion time of stablized component and modified component.
The present invention proves through lot of experiments, and in the digestion time of 2-5h, three kinds of materials can be sufficiently mixed uniformly.Preferably, digestion time is 3-4h.
In any of the above-described scheme preferably, described mineral aggregate is 120-170 DEG C with the temperature of mixing and stirring of vegetable oil regeneration asphalt.
In any of the above-described scheme preferably, mix and stir temperature and be 140-150 DEG C.
In any of the above-described scheme preferably, described mineral aggregate is 50-120s with the mixing time of vegetable oil regeneration asphalt.Preferably, the mixing time is 80-100s.
The preparation method of the vegetable oil reclaimed asphalt mixture of the present invention, by being directly appended to plant oil based bitumen regenerant reclaim in aged asphalt, prepare into vegetable oil regeneration asphalt, again this vegetable oil regeneration asphalt is directly appended in the mineral aggregate of certain grating, forming vegetable oil reclaimed asphalt mixture, this preparation method is simple, and cost control is good, reach the effect of energy-saving and emission-reduction, and this vegetable oil reclaimed asphalt mixture has good pavement performance.
Accompanying drawing explanation
Fig. 1 is the stability result of the plant oil based bitumen regenerant in embodiment 1.1-1.13.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1.1
A kind of plant oil based bitumen regenerant, by light-weight plant oil ingredient, stablize component, modified component is composited, wherein said light-weight plant oil is the filtrate obtained after being centrifuged, filtering by waste edible oil, in process that is centrifugal and that filter, described centrifugal filtration can adopt filter centrifugal, described for 8000r/min, centrifugation time is 10min.Described filtration is by filter paper or filter screen, and the aperture of filter screen is 0.667mm, and the aperture of filter paper is 90 μm.
Described plant oil based bitumen regenerant is uniformly dispersed for wherein each component, it does not have the homogeneous mixture of isolation lamination.
In this example, stablizing component is C5 Petropols and stearic acid, and C5 Petropols form fluid through fusing in advance, in order to mixs homogeneously with described light-weight plant oil and modified component energy, is beneficial to and prepares homogeneous plant oil based bitumen regenerant.
In this example, modified component is white carbon black.The particle diameter of described white carbon black is 10nm.
In the plant oil based bitumen regenerant of the present embodiment, the mass percent of light-weight plant oil ingredient is 60%, and the mass percent stablizing component is 20%, and C5 Petropols and stearic acid respectively account for 10%, and the mass percent of white carbon black is 20%.
Reclaiming aged asphalt for 10000g, the preparation method of above-mentioned plant oil based bitumen regenerant is as follows:
1) with waste edible oil for raw material, first precipitation 48 hours, adopt filter centrifugal to be centrifuged waste edible oil filtering, centrifugal rotating speed is 8000r/min, and centrifugation time is 10min, separates and obtains light-weight plant oil ingredient；
2) weigh described light-weight plant oil, and the described light-weight plant oil ingredient weighed is poured in container, stablize component with described and modified component mixes, it is possible to select to be sequentially added into stable component and modified component；
3) ageing at normal temperatures 2 hours, namely obtain described plant oil based bitumen regenerant.
The plant oil based bitumen regenerant that need to prepare is 0.06 times that reclaims aged asphalt, i.e. 600g.In plant oil based bitumen regenerant, the mass percent of light-weight plant oil ingredient is 60%, i.e. 360g；The mass percent stablizing component is 20%, i.e. 120g (C5 Petropols 60g, stearic acid 60g), and the mass percent of anti-strip component is 20%, i.e. 120g.
Embodiment 1.2
A kind of plant oil based bitumen regenerant, substantially the same manner as Example 1, the difference is that, in the plant oil based bitumen regenerant of the present embodiment, the mass percent of light-weight plant oil ingredient is 70%, and the mass percent stablizing component is 15%, and the mass percent of anti-strip component is 15%.
In the preparation process of described plant oil based bitumen regenerant, reclaiming aged asphalt for 10000g equally, the plant oil based bitumen regenerant that need to prepare is 0.07 times that reclaims aged asphalt, i.e. 700g.In plant oil based bitumen regenerant, the mass percent of light-weight plant oil ingredient is 70%, i.e. 490g；The mass percent stablizing component is 15%, i.e. 105g (stearic acid and each 52.5g of C5 Petropols), and the mass percent of white carbon black (as modified component, also serve as anti-strip component) is 15%, i.e. 105g.
In the present embodiment, light oil component, the digestion time that mixes and stirs stablizing component and modified component are 3h, waste edible oil elder generation precipitation 60 hours.
Embodiment 1.3
A kind of plant oil based bitumen regenerant, substantially the same manner as Example 1, the difference is that, in the plant oil based bitumen regenerant of the present embodiment, the mass percent of light-weight plant oil ingredient is 80%, and the mass percent stablizing component is 10%, and the mass percent of anti-strip component is 10%.
In the preparation process of described plant oil based bitumen regenerant, reclaiming aged asphalt for 10000g equally, the plant oil based bitumen regenerant that need to prepare is 0.08 times that reclaims aged asphalt, i.e. 800g.In plant oil based bitumen regenerant, the mass percent of light-weight plant oil ingredient is 80%, i.e. 640g；The mass percent stablizing component is 10%, i.e. 180g (C5 Petropols and each 90g of stearic acid), and the mass percent of white carbon black is 10%, i.e. 180g.
In the present embodiment, light oil component, the digestion time that mixes and stirs stablizing component and modified component are 4h, waste edible oil elder generation precipitation 72 hours.
Embodiment 1.4
A kind of plant oil based bitumen regenerant, substantially the same manner as Example 1, the difference is that, in the plant oil based bitumen regenerant of the present embodiment, the mass percent of light-weight plant oil ingredient is 90%, and the mass percent stablizing component is 5%, and the mass percent of anti-strip component is 5%.
In the preparation process of described plant oil based bitumen regenerant, equally, reclaiming aged asphalt for 10000g, the plant oil based bitumen regenerant that need to prepare is 0.09 times that reclaims aged asphalt, i.e. 900g.In plant oil based bitumen regenerant, the mass percent of light-weight plant oil ingredient is 90%, i.e. 810g；The mass percent stablizing component is 5%, i.e. 45g (C5 Petropols and each 22.5g of stearic acid), and the mass percent of white carbon black is 5%, i.e. 45g.
In the present embodiment, light oil component, the digestion time that mixes and stirs stablizing component and modified component are 5h.
Embodiment 1.5
A kind of plant oil based bitumen regenerant, essentially identical with above-described embodiment, the difference is that, described modified component is Calx.Calx can be quick lime or Calx.
The preparation method of described plant oil based bitumen regenerant can be selected for identical method.
Embodiment 1.6
A kind of plant oil based bitumen regenerant, essentially identical with above-described embodiment, the difference is that, described modified component is white carbon black and Calx, and white carbon black is identical with the addition of Calx.Calx can be quick lime or Calx.
The preparation method of described plant oil based bitumen regenerant can be selected for identical method.
Embodiment 1.7
A kind of plant oil based bitumen regenerant, essentially identical with above-described embodiment, the difference is that, to stablize in component, stearic acid accounts for 60%, C5 Petropols 40%.
The preparation method of described plant oil based bitumen regenerant can be selected for identical method.
Embodiment 1.8
A kind of plant oil based bitumen regenerant, essentially identical with above-described embodiment, the difference is that, stablizing component is stearic acid.
The preparation method of described plant oil based bitumen regenerant can be selected for identical method.
Embodiment 1.9
A kind of plant oil based bitumen regenerant, essentially identical with above-described embodiment, the difference is that, stablize component C5 Petropols.
The preparation method of described plant oil based bitumen regenerant can be selected for identical method.
Embodiment 1.10
A kind of plant oil based bitumen regenerant, essentially identical with above-described embodiment, the difference is that, stablize component C9 Petropols.
The preparation method of described plant oil based bitumen regenerant can be selected for identical method.
Embodiment 1.11
A kind of plant oil based bitumen regenerant, essentially identical with above-described embodiment, the difference is that, the preparation of described plant oil based bitumen regenerant is without precipitation.
Embodiment 1.12
A kind of plant oil based bitumen regenerant, essentially identical with above-described embodiment, the difference is that, the preparation of described plant oil based bitumen regenerant is without centrifugal filtration.
Embodiment 1.13
A kind of plant oil based bitumen regenerant, essentially identical with above-described embodiment, the difference is that, the preparation of described plant oil based bitumen regenerant is without ageing.
Embodiment 2.1
One vegetable oil regeneration asphalt, for composite, described vegetable oil regeneration asphalt includes reclaiming aged asphalt and plant oil based bitumen regenerant.Light-weight plant oil 80% in described plant oil based bitumen regenerant, stablize component 10%, modified component 10%.
To prepare 10000g vegetable oil regeneration asphalt, the mass percent that need to reclaim aged asphalt is 94%, i.e. 9400g, and need to prepare plant oil based bitumen regenerant mass percent is 6%, i.e. 600g.In the process preparing plant oil based bitumen regenerant, need light-weight plant oil ingredient 480g, stablize component 60g (C5 Petropols and each 30g of stearic acid), modified component (white carbon black, particle diameter is 10nm) 60g.
The preparation method of above-mentioned vegetable oil regeneration asphalt is as follows:
(1) from old asphalt mixture, in the way of extracting, aged asphalt is reclaimed；
(2) recovery aged asphalt is heated to mixing and stirring temperature；
(3) plant oil based bitumen regenerant is added in the recovery aged asphalt having been heated to mix and stir temperature mix and stir；
(4) mixture reclaiming aged asphalt and plant oil based bitumen regenerant after mixing and stirring is put in baking oven grow.
Reclaim aged asphalt and plant oil based bitumen regenerant mix and stir temperature be 115 DEG C, the mixing time be 50min；The developmental temperature reclaiming aged asphalt and plant oil based bitumen regenerant is 115 DEG C, and development time is 30min.Using boxshear apparatus to carry out mixing and stirring at a high speed, stir speed (S.S.) is 4000r/min.
Embodiment 2.2
One vegetable oil regeneration asphalt, essentially identical with embodiment 2.1, the difference is that, equally, to prepare 10000g vegetable oil regeneration asphalt, the mass percent that need to reclaim aged asphalt is 93%, i.e. 9300g, need to prepare plant oil based bitumen regenerant mass percent is 7%, i.e. 700g.In the process preparing plant oil based bitumen regenerant, need light-weight plant oil ingredient 560g, stablize component 70g (C5 Petropols and each 35g of stearic acid), modified component (white carbon black, particle diameter is 10nm) 70g.
The preparation method of above-mentioned vegetable oil regeneration asphalt is as follows:
(1) from old asphalt mixture, in the way of extracting, aged asphalt is reclaimed；
(2) recovery aged asphalt is heated to mixing and stirring temperature；
(3) plant oil based bitumen regenerant is added in the recovery aged asphalt having been heated to mix and stir temperature mix and stir；
(4) mixture reclaiming aged asphalt and plant oil based bitumen regenerant after mixing and stirring is put in baking oven grow.
Reclaim aged asphalt and plant oil based bitumen regenerant mix and stir temperature be 130 DEG C, the mixing time be 60min；The developmental temperature reclaiming aged asphalt and plant oil based bitumen regenerant is 130 DEG C, and development time is 40min.Using boxshear apparatus to carry out mixing and stirring at a high speed, stir speed (S.S.) is 4000r/min.
Embodiment 2.3
One vegetable oil regeneration asphalt, essentially identical with embodiment 2.1, the difference is that, same to prepare 10000g vegetable oil regeneration asphalt, the mass percent that need to reclaim aged asphalt is 92%, i.e. 9200g, need to prepare plant oil based bitumen regenerant mass percent is 8%, i.e. 800g.In the process preparing plant oil based bitumen regenerant, need light-weight plant oil ingredient 640g, stablize component 80g (C5 Petropols and each 35g of stearic acid), modified component (white carbon black, particle diameter is 10nm) 80g.
The preparation method of above-mentioned vegetable oil regeneration asphalt is as follows:
(1) from old asphalt mixture, in the way of extracting, aged asphalt is reclaimed；
(2) recovery aged asphalt is heated to mixing and stirring temperature；
(3) plant oil based bitumen regenerant is added in the recovery aged asphalt having been heated to mix and stir temperature mix and stir；
(4) mixture reclaiming aged asphalt and plant oil based bitumen regenerant after mixing and stirring is put in baking oven grow.
Reclaim aged asphalt and plant oil based bitumen regenerant mix and stir temperature be 145 DEG C, the mixing time be 70min；The developmental temperature reclaiming aged asphalt and plant oil based bitumen regenerant is 145 DEG C, and development time is 50min.Using boxshear apparatus to carry out mixing and stirring at a high speed, stir speed (S.S.) is 4000r/min.
Embodiment 2.4
One vegetable oil regeneration asphalt, essentially identical with embodiment 2.1, the difference is that, same to prepare 10000g vegetable oil regeneration asphalt, the mass percent that need to reclaim aged asphalt is 91%, i.e. 9100g, need to prepare plant oil based bitumen regenerant mass percent is 9%, i.e. 900g.In the process preparing plant oil based bitumen regenerant, need light-weight plant oil ingredient 720g, stablize component 90g (C5 Petropols and each 35g of stearic acid), modified component (white carbon black, particle diameter is 10nm) 90g.
The preparation method of above-mentioned vegetable oil regeneration asphalt is as follows:
(1) from old asphalt mixture, in the way of extracting, aged asphalt is reclaimed；
(2) recovery aged asphalt is heated to mixing and stirring temperature；
(3) plant oil based bitumen regenerant is added in the recovery aged asphalt having been heated to mix and stir temperature mix and stir；
(4) mixture reclaiming aged asphalt and plant oil based bitumen regenerant after mixing and stirring is put in baking oven grow.
Reclaim aged asphalt and plant oil based bitumen regenerant mix and stir temperature be 160 DEG C, the mixing time be 80min；The developmental temperature reclaiming aged asphalt and plant oil based bitumen regenerant is 160 DEG C, and development time is 60min.Using boxshear apparatus to carry out mixing and stirring at a high speed, stir speed (S.S.) is 4000r/min.
Embodiment 2.5
One vegetable oil regeneration asphalt, with embodiment 2.1 the difference is that, light-weight plant oil 90% in plant oil based bitumen regenerant, stablize component 5%, modified component 5%.
When preparing described vegetable oil regeneration asphalt, the temperature of mixing and stirring reclaiming aged asphalt and plant oil based bitumen regenerant is 110 DEG C, and the mixing time is 60min；The developmental temperature reclaiming aged asphalt and plant oil based bitumen regenerant is 110 DEG C, and development time is 30min.Using boxshear apparatus to carry out mixing and stirring at a high speed, stir speed (S.S.) is 4000r/min.
Embodiment 2.6
One vegetable oil regeneration asphalt, with embodiment 2.1 the difference is that, light-weight plant oil 70% in plant oil based bitumen regenerant, stablize component 15%, modified component 15%.
When preparing described vegetable oil regeneration asphalt, the temperature of mixing and stirring reclaiming aged asphalt and plant oil based bitumen regenerant is 120 DEG C, and the mixing time is 60min；The developmental temperature reclaiming aged asphalt and plant oil based bitumen regenerant is 120 DEG C, and development time is 30min.Using boxshear apparatus to carry out mixing and stirring at a high speed, stir speed (S.S.) is 4000r/min.
Embodiment 2.7
One vegetable oil regeneration asphalt, with embodiment 2.1 the difference is that, light-weight plant oil 60% in plant oil based bitumen regenerant, stablize component 20%, modified component 20%.
When preparing described vegetable oil regeneration asphalt, the temperature of mixing and stirring reclaiming aged asphalt and plant oil based bitumen regenerant is 150 DEG C, and the mixing time is 60min；The developmental temperature reclaiming aged asphalt and plant oil based bitumen regenerant is 110 DEG C, and development time is 30min.Using boxshear apparatus to carry out mixing and stirring at a high speed, stir speed (S.S.) is 4000r/min.
Embodiment 2.8
One vegetable oil regeneration asphalt and preparation method thereof, essentially identical with above-described embodiment, the difference is that, described modified component is Calx.
Embodiment 2.9
One vegetable oil regeneration asphalt and preparation method thereof, essentially identical with above-described embodiment, the difference is that, described modified component is white carbon black and Calx, and white carbon black is identical with the addition of Calx.
Embodiment 2.10
One vegetable oil regeneration asphalt and preparation method thereof, essentially identical with above-described embodiment, the difference is that, to stablize in component, stearic acid accounts for 60%, C5 Petropols 40%.
Embodiment 2.11
One vegetable oil regeneration asphalt and preparation method thereof, essentially identical with above-described embodiment, the difference is that, stablizing component is stearic acid.
Embodiment 2.12
One vegetable oil regeneration asphalt and preparation method thereof, essentially identical with above-described embodiment, the difference is that, stablize component C5 Petropols.
Embodiment 2.13
One vegetable oil regeneration asphalt and preparation method thereof, essentially identical with above-described embodiment, the difference is that, stablizing component is C9 Petropols.
Embodiment 3.1
One vegetable oil reclaimed asphalt mixture, for composite, described vegetable oil reclaimed asphalt mixture includes new mineral aggregate, reclaims mineral aggregate and vegetable oil regeneration asphalt.Described vegetable oil regeneration asphalt and preparation method thereof is the one in embodiment 2.1-2.13, including reclaiming aged asphalt and plant oil based bitumen regenerant.Described plant oil based bitumen regenerant and preparation method thereof is a kind of in embodiment 1.1-1.10, including light oil component, stablizes component and modified component.
In the present embodiment, mineral aggregate is basalt.
In described mineral aggregate, the mass percent of each particle diameter mineral aggregate is, particle diameter 26.5-37.5mm is 0-10%, particle diameter 19.0-26.5mm be 0-10%, particle diameter 16.0-19.0mm be 0-20%, particle diameter 13.2-16.0mm be 0-20%, particle diameter 4.75-9.5mm be 15-50%, particle diameter 0.15-2.36mm be 40-70%, particle diameter 0-0.075mm is 10-15%.
To prepare 10000g vegetable oil reclaimed asphalt mixture, the mass percent needing new mineral aggregate is 60%, i.e. 6000g；The mass percent that need to reclaim mineral aggregate is 35%, i.e. 3500g；The mass percent that need to prepare vegetable oil regeneration asphalt is 5%, i.e. 500g.
The preparation method of above-mentioned vegetable oil reclaimed asphalt mixture is as follows:
(1) new mineral aggregate and old mineral aggregate are mixed and stirred in proportion；
(2) vegetable oil regeneration asphalt is mixed and stirred certain time by a certain percentage at a certain temperature with new mineral aggregate, recovery mineral aggregate.
Mineral aggregate, vegetable oil regeneration asphalt temperature of mixing and stirring be 130 DEG C, the mixing time is 90s.
Embodiment 3.2
One vegetable oil reclaimed asphalt mixture, essentially identical with embodiment 3.1, the difference is that, in the present embodiment, mineral aggregate is basalt.
To prepare 10000g vegetable oil reclaimed asphalt mixture, the mass percent needing new mineral aggregate is 50%, i.e. 5000g；The mass percent that need to reclaim mineral aggregate is 40%, i.e. 4000g；The mass percent that need to prepare vegetable oil regeneration asphalt is 10%, i.e. 1000g.
The preparation method of above-mentioned vegetable oil reclaimed asphalt mixture is identical with embodiment 3.1
Embodiment 3.3
One vegetable oil reclaimed asphalt mixture, essentially identical with embodiment 3.1, the difference is that, in the present embodiment, mineral aggregate is basalt.
To prepare 10000g vegetable oil reclaimed asphalt mixture, the mass percent needing new mineral aggregate is 40%, i.e. 4000g；The mass percent that need to reclaim mineral aggregate is 45%, i.e. 4500g；The mass percent that need to prepare vegetable oil regeneration asphalt is 15%, i.e. 1500g.
The preparation method of above-mentioned vegetable oil reclaimed asphalt mixture is identical with embodiment 3.1.
Embodiment 3.4
One vegetable oil reclaimed asphalt mixture, unlike the embodiments above, the temperature of mixing and stirring of mineral aggregate and vegetable oil regeneration asphalt is 120 DEG C, and the mixing time is 120s.
Embodiment 3.5
One vegetable oil reclaimed asphalt mixture, unlike the embodiments above, the temperature of mixing and stirring of mineral aggregate and vegetable oil regeneration asphalt is 140 DEG C, and the mixing time is 100s.
Embodiment 3.6
One vegetable oil reclaimed asphalt mixture, unlike the embodiments above, the temperature of mixing and stirring of mineral aggregate and vegetable oil regeneration asphalt is 150 DEG C, and the mixing time is 80s.
Embodiment 3.7
One vegetable oil reclaimed asphalt mixture, unlike the embodiments above, the temperature of mixing and stirring of mineral aggregate and vegetable oil regeneration asphalt is 170 DEG C, and the mixing time is 50s.
Embodiment 3.8
One vegetable oil reclaimed asphalt mixture, unlike the embodiments above, the regenerative agent adopted is the vegetable oil without precipitation.
Embodiment 3.9
One vegetable oil reclaimed asphalt mixture, unlike the embodiments above, the regenerative agent adopted is the vegetable oil without centrifugal filtration.
Embodiment 3.10
One vegetable oil reclaimed asphalt mixture, unlike the embodiments above, the regenerative agent adopted is the vegetable oil without ageing.
The performance test results of the plant oil based bitumen regenerant prepared by embodiment 1.1 to embodiment 1.13 is as shown in table 1.
The performance test results of the plant oil based bitumen regenerant of table 1
The stability result of the plant oil based bitumen regenerant in embodiment 1.1-1.13 is as it is shown in figure 1, from figure 1 it appears that the stability of vegetable oil regenerative agent is very good, it is possible to stable preserve, and does not have the phenomenon of isolation layering.
According to " highway engineering Colophonium and Asphalt Mixture Experiment code " (JTJE20-2011), the vegetable oil regeneration asphalt prepared by embodiment 2.1 to embodiment 2.13 being carried out the performance tests such as needle penetration, ductility, softening point, viscosity, test result is as shown in table 2.
The performance test results of table 2 vegetable oil regeneration asphalt
From Table 2, it can be seen that the vegetable oil regeneration asphalt of the plant oil based bitumen regenerant regeneration of the present invention, its various aspects of performance is all very close with new Colophonium, illustrates, reclaims aged asphalt regeneration effect very good.And the fatigue resistance of vegetable oil regeneration asphalt and water stability are significantly larger than new Colophonium, illustrate that the fatigue resistance of vegetable oil regeneration asphalt and water stability are not worse than new Colophonium, not easily aging, long service life.
On the other hand, in the process of regeneration asphalt, the addition of plant oil based bitumen regenerant is considerably less, even less than the 10% of vegetable oil regeneration asphalt, illustrates that plant oil based bitumen regenerant is very high to the regeneration efficiency reclaiming aged asphalt, and cost performance is very high.
Vegetable oil reclaimed asphalt mixture prepared by embodiment 3.1 to embodiment 3.7 carries out high temperature dynamic stability, anti-low-temperature cracking and freeze-thaw split test, and test result is as shown in table 3.From test result, the high temperature stability performance of vegetable oil reclaimed asphalt mixture, crack resistance at low-temperature and water stability can be recovered effectively.
The pavement performance test result of table 3 vegetable oil reclaimed asphalt mixture
As can be seen from Table 3, the serviceability of vegetable oil reclaimed asphalt mixture is all much better than the compound of new Colophonium preparation, especially fatigue resistance and water stability, illustrate that the vegetable oil regeneration asphalt of the plant oil based bitumen regenerant regeneration of the present invention is favorably improved the pavement performance of reclaimed asphalt mixture, especially fatigue resistance and water stability.
Waste edible oil (waste vegetable oil without centrifugal filtration), the light-weight plant oil obtained through centrifugal filtration and mineral oil (aromatic naphtha, furfural oil) the bitumen regenerant regeneration efficiency that single-factor variable prepares, the ageing resistance of regeneration asphalt, fatigue resistance, water stability contrast are as shown in table 4.
Table 4 is through centrifugal filtration, without the regeneration effect of centrifugal filtration vegetable oil Yu mineral oil
From table 4, it can be seen that, the rate of producing effects again reclaiming aged asphalt is significantly larger than other two kinds by the bitumen regenerant (plant oil based bitumen regenerant provided by the invention) that the light-weight plant oil obtained through centrifugal filtration prepares, and ageing resistance, fatigue resistance and water stability are far better than other two kinds.
Stablizing component is resin, stearic acid, resin and stearic acid, by the contrast to regenerative agent uniformity, adds resin and stearic acid, and the uniformity of the plant oil based bitumen regenerant obtained is best.
Waste edible oil without precipitation directly with stablize component, modified component mixes, waste edible oil elder generation precipitation is in that stable component, modified component mix for more than 48 hours, to the plant oil based bitumen regenerant obtained regeneration heroic lovers, fatigue resistance, water stability correction data as shown in table 4.
As can be known from Table 4, after waste edible oil precipitation 48, then the light-weight plant oil that centrifugal filtration obtains is more conducive to the uniform, stable of described plant oil based bitumen regenerant, and regeneration efficiency is higher, and the fatigue resistance of regeneration asphalt, water stability are better.
Those skilled in the art are understood that, vegetable oil regeneration asphalt of the present invention and preparation method thereof includes the summary of the invention of the invention described above description and the combination in any of detailed description of the invention part, as space is limited and for make description concisely without by these combination constitute each scheme describe one by one.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (21)

1. a vegetable oil regeneration asphalt, it is characterized in that, including reclaiming aged asphalt and plant oil based bitumen regenerant, described plant oil based bitumen regenerant includes lighter body component, stablizes component and modified component, described lighter body is light-weight plant oil, described light-weight plant oil is preprocessed by waste edible oil, obtains after removing impurity.
2. a vegetable oil regeneration asphalt according to claim 1, it is characterised in that described pretreatment includes centrifugal and/or filters.
3. a vegetable oil regeneration asphalt according to claim 1, it is characterised in that described component of stablizing includes resin and stearic acid.
4. a vegetable oil regeneration asphalt according to claim 3, it is characterised in that described stablize in component, resin and stearic mass ratio are 1:1.
5. a vegetable oil regeneration asphalt according to claim 1, it is characterised in that described resin is Petropols, it is preferred to C5 Petropols or C9 Petropols.
6. a vegetable oil regeneration asphalt according to claim 1, it is characterised in that described modified component includes white carbon black and/or Calx.
7. a vegetable oil regeneration asphalt according to claim 1, it is characterised in that in described plant oil based bitumen regenerant, the mass percent of each component is that light-weight plant line of oils is divided into 60-90%, stablizes component 5-20%, modified component 5-20%；
Being preferably, light-weight plant line of oils is divided into 70-90%, stablizes component 5-15%, modified component 5-15%；
More preferably, light-weight plant line of oils is divided into 80-90%, stablizes component 5-10%, modified component 5-10%.
8. a vegetable oil regeneration asphalt according to claim 1, it is characterised in that in described vegetable oil regeneration asphalt, the mass percent of each component is, reclaims aged asphalt 90-94%, plant oil based bitumen regenerant 6-10%；
It is preferably, reclaims aged asphalt 91-93%, plant oil based bitumen regenerant 7-9%；
More preferably, aged asphalt 92%, plant oil based bitumen regenerant 8% are reclaimed.
9. the preparation method of a vegetable oil regeneration asphalt, it is characterised in that comprise the following steps:
(1) mode of extraction device extracting is adopted to reclaim aged asphalt old asphalt mixture；
(2) recovery aged asphalt is heated to mixing and stirring temperature；
(3) plant oil based bitumen regenerant is added in the recovery aged asphalt having been heated to mix and stir temperature mix and stir；
(4) mixture reclaiming aged asphalt and plant oil based bitumen regenerant after mixing and stirring is put in baking oven grow.
10. the preparation method of a vegetable oil regeneration asphalt according to claim 9, it is characterised in that the temperature of mixing and stirring of described recovery aged asphalt and plant oil based bitumen regenerant is 110-160 DEG C, and the mixing time is 20-40min.
11. the preparation method of a vegetable oil regeneration asphalt according to claim 9, it is characterised in that the developmental temperature of described recovery aged asphalt and plant oil based bitumen regenerant is 110 DEG C-160 DEG C, and development time is 30-60min.
12. the preparation method of a vegetable oil regeneration asphalt according to claim 9, it is characterised in that in described vegetable oil regeneration asphalt, the mass percent of each component is, reclaim aged asphalt 90-94%, plant oil based bitumen regenerant 6-10%；
It is preferably, reclaims aged asphalt 91-93%, plant oil based bitumen regenerant 7-9%；
More preferably, aged asphalt 92%, plant oil based bitumen regenerant 8% are reclaimed.
13. the preparation method of a vegetable oil regeneration asphalt according to claim 9, it is characterised in that the preparation method of described plant oil based bitumen regenerant, comprise the following steps:
(1) with waste edible oil for raw material, carry out pretreatment, separate and obtain light-weight plant oil ingredient；
(2) weigh appropriate described light-weight plant oil ingredient, and with stable component and modified component Homogeneous phase mixing；
(3), after ageing at normal temperatures, described plant oil based bitumen regenerant is namely obtained.
14. the preparation method of a vegetable oil regeneration asphalt according to claim 13, it is characterised in that described pretreatment includes centrifugal and/or filters.
15. the preparation method of a vegetable oil regeneration asphalt according to claim 14, it is characterised in that waste edible oil, before being centrifuged, filtering, is first carried out precipitation by described waste edible oil, and precipitation carries out 48-72 hour.
16. the preparation method of a vegetable oil regeneration asphalt according to claim 13, it is characterised in that before described resin is oily with described light-weight plant and described modified component mixes, first makes it melt, form fluid.
17. the preparation method of a vegetable oil regeneration asphalt according to claim 13, it is characterised in that the digestion time of described light-weight plant oil ingredient and stablized component and modified component is 2-5h, it is preferred to 3-4h.
18. the preparation method of a vegetable oil regeneration asphalt according to claim 13, it is characterised in that described component of stablizing includes resin and stearic acid, described stablizing in component, resin and stearic mass ratio are 1:1.
19. the preparation method of a vegetable oil regeneration asphalt according to claim 13, it is characterised in that described resin is Petropols, it is preferred to C5 Petropols or C9 Petropols.
20. the preparation method of a vegetable oil regeneration asphalt according to claim 13, it is characterised in that described modified component includes white carbon black and/or Calx.
21. the preparation method of a vegetable oil regeneration asphalt according to claim 13, it is characterized in that, in described plant oil based bitumen regenerant, the mass percent of each component is that light-weight plant line of oils is divided into 60-90%, stablizes component 5-20%, modified component 5-20%；
Being preferably, light-weight plant line of oils is divided into 70-90%, stablizes component 5-15%, modified component 5-15%；
More preferably, light-weight plant line of oils is divided into 80-90%, stablizes component 5-10%, modified component 5-10%.
CN201610143112.1A 2016-03-14 2016-03-14 One vegetable oil regeneration asphalt and preparation method thereof Expired - Fee Related CN105778525B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610143112.1A CN105778525B (en) 2016-03-14 2016-03-14 One vegetable oil regeneration asphalt and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610143112.1A CN105778525B (en) 2016-03-14 2016-03-14 One vegetable oil regeneration asphalt and preparation method thereof

Publications (2)

Publication Number Publication Date
CN105778525A true CN105778525A (en) 2016-07-20
CN105778525B CN105778525B (en) 2018-10-26

Family

ID=56393548

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610143112.1A Expired - Fee Related CN105778525B (en) 2016-03-14 2016-03-14 One vegetable oil regeneration asphalt and preparation method thereof

Country Status (1)

Country Link
CN (1) CN105778525B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106746926A (en) * 2016-12-13 2017-05-31 江苏天诺道路材料科技有限公司 Separate type plantmix warms the preparation method of reclaimed asphalt mixture
CN108504111A (en) * 2018-02-24 2018-09-07 东南大学 A kind of anti-aging bitumen regenerant and preparation method thereof based on bio oil
CN109266026A (en) * 2018-09-14 2019-01-25 中南林业科技大学 Graphene oxide and the compound modification warm-mixed asphalt of waste edible oil and preparation method
CN111073321A (en) * 2019-12-31 2020-04-28 沧州市市政工程股份有限公司 Asphalt mucilage based on waste edible oil regeneration and preparation method thereof
CN113801490A (en) * 2021-10-27 2021-12-17 哈尔滨工业大学 Preparation and recovery method of recyclable epoxy asphalt
CN116694091A (en) * 2022-02-24 2023-09-05 长沙理工大学 Environment-friendly high-performance asphalt regenerant and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100034586A1 (en) * 2008-08-05 2010-02-11 Bailey Helen K Asphalt rejuvenation
CN101948622A (en) * 2010-09-21 2011-01-19 东南大学 Eco-friendly asphalt regenerant and preparation method thereof
CN102585529A (en) * 2012-02-29 2012-07-18 武汉理工大学 Asphalt regenerant prepared by utilizing waste edible oil and preparing process of asphalt regenerant
CN103709415A (en) * 2013-12-24 2014-04-09 武汉理工大学 Preparation method of composite slow-breaking slow-curing asphalt emulsifier
CN104788970A (en) * 2015-03-27 2015-07-22 苏州拓博琳新材料科技有限公司 Recycling agent for in-place hot recycled asphalt, mixture and preparation thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100034586A1 (en) * 2008-08-05 2010-02-11 Bailey Helen K Asphalt rejuvenation
CN101948622A (en) * 2010-09-21 2011-01-19 东南大学 Eco-friendly asphalt regenerant and preparation method thereof
CN102585529A (en) * 2012-02-29 2012-07-18 武汉理工大学 Asphalt regenerant prepared by utilizing waste edible oil and preparing process of asphalt regenerant
CN103709415A (en) * 2013-12-24 2014-04-09 武汉理工大学 Preparation method of composite slow-breaking slow-curing asphalt emulsifier
CN104788970A (en) * 2015-03-27 2015-07-22 苏州拓博琳新材料科技有限公司 Recycling agent for in-place hot recycled asphalt, mixture and preparation thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GONG MINGHUI: "Physical-chemical properties of aged asphalt rejuvenated by bio-oil derived from biodiesel residue", 《CONSTRUCTION AND BUILDING MATERIALS》 *
冷滨滨: "废食用植物油对老化沥青物理化学及流变性能的影响", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106746926A (en) * 2016-12-13 2017-05-31 江苏天诺道路材料科技有限公司 Separate type plantmix warms the preparation method of reclaimed asphalt mixture
CN108504111A (en) * 2018-02-24 2018-09-07 东南大学 A kind of anti-aging bitumen regenerant and preparation method thereof based on bio oil
CN109266026A (en) * 2018-09-14 2019-01-25 中南林业科技大学 Graphene oxide and the compound modification warm-mixed asphalt of waste edible oil and preparation method
CN111073321A (en) * 2019-12-31 2020-04-28 沧州市市政工程股份有限公司 Asphalt mucilage based on waste edible oil regeneration and preparation method thereof
CN113801490A (en) * 2021-10-27 2021-12-17 哈尔滨工业大学 Preparation and recovery method of recyclable epoxy asphalt
CN116694091A (en) * 2022-02-24 2023-09-05 长沙理工大学 Environment-friendly high-performance asphalt regenerant and preparation method thereof

Also Published As

Publication number Publication date
CN105778525B (en) 2018-10-26

Similar Documents

Publication Publication Date Title
CN105754358A (en) Plant oil-based asphalt regenerating agent and preparation method thereof
CN105778525A (en) Vegetable oil regenerated asphalt and preparation method thereof
CN107629472A (en) A kind of osmosis type bitumen regenerant and preparation method thereof
CN104479712B (en) Method for recycling waste FCC (fluid catalytic cracking) catalyst
CN105859191B (en) A kind of composite modified asphalt mixture of highly anti-fatigue cracking performance
CN110294943A (en) A kind of unmade way bitumen regenerant and its preparation method and application
CN110183869B (en) Asphalt raw material for asphalt-based waterproof coiled material
CN105819751A (en) Preparation method of composite modified bituminous mixture with high fatigue crack resistance
CN105236831A (en) Aged-asphalt regeneration agent, regenerated asphalt mixture and preparation method of two
CN102010603B (en) Rubber powder modified emulsified asphalt and preparation method thereof
CN109337390A (en) A kind of discarded plant oil base warm-mixed asphalt regenerative agent and preparation method thereof
CN106396502A (en) Foamed warm mix recycled asphalt mixture and preparation method thereof
CN104672928B (en) Low-viscosity regenerant for thermal regeneration of asphalt pavement, preparation method of low-viscosity regenerant and asphalt pavement thermal-regeneration mixture containing low-viscosity regenerant
CN105801011A (en) Hot-recycling asphalt mixture containing non-traditional oil and preparation method of hot-recycling asphalt mixture
CN102718438A (en) Bridge floor seamless expansion joint material with large expansion amount and preparation method thereof
CN109437673A (en) A kind of rubber powder modified asphalt mixture and preparation method thereof
CN109810520A (en) One kind having both the high glue pitch of high performance low-temperature environment-friendlyization and its production technology
CN105819725A (en) Plant oil regenerated asphalt mixture and preparation method thereof
CN103739872B (en) A kind of waste and old SBS regenerating modified asphalt Application way
CN110218461A (en) A kind of bitumen regenerant, reclaimed asphalt mixture and preparation method thereof
CN106336673A (en) Biological oil compounded nanometer diatomite modified asphalt and preparation method thereof
CN104558732A (en) High-temperature mixed type waste rubber modified asphalt enhancer composition and preparation method thereof
CN110204252B (en) Preparation method of recycled asphalt mixture
CN111518404A (en) Environment-friendly warm-mix asphalt regenerant and preparation method thereof
CN106633950A (en) Dry blending method waste rubber powder modified waste vegetable oil thermal regeneration asphalt mixture and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181026