CN106630761B - A kind of warm mix Sulphur asphalt mixture and preparation method thereof - Google Patents
A kind of warm mix Sulphur asphalt mixture and preparation method thereof Download PDFInfo
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- CN106630761B CN106630761B CN201510730773.XA CN201510730773A CN106630761B CN 106630761 B CN106630761 B CN 106630761B CN 201510730773 A CN201510730773 A CN 201510730773A CN 106630761 B CN106630761 B CN 106630761B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
The invention discloses a kind of warm mix Sulphur asphalt mixture and preparation method thereof, warm mix Sulphur asphalt mixture includes 4.0 ~ 6.0 parts of warm mix Sulphur asphalt, 1.0 ~ 3.0 parts of miberal powder and gathers materials 91.0 ~ 95.0 parts；Wherein warm mix Sulphur asphalt includes 20 ~ 60 parts of 0.5 ~ 7 part of warm-mixing agent, 33 ~ 79.5 parts of matrix pitch and sulphur；The warm-mixing agent is prepared using following methods：Under the action of catalyst, first intermediate is obtained by the reaction under certain temperature and pressure with halogen simple substance in macromolecule alkane；Aromatic naphtha is uniformly mixed with complex compound to obtain aromatic hydrocarbons complexing components；Then aromatic hydrocarbons complexing components and intermediate are carried out that the warm-mixing agent used in the present invention is obtained by the reaction at a certain temperature.The mixture of the present invention has used the Sulphur asphalt containing warm-mixing agent, warm-mixing agent to improve the thermal stability of pitch, improve anti-aging property, reduces the temperature in use of mixture, alleviates pollution of the mixture in use due to discharging pernicious gas to air.
Description
Technical field
The present invention relates to a kind of warm mix Sulphur asphalt mixture and preparation method thereof, especially a kind of pitch of Rut resistance is mixed
Close material and preparation method thereof.Belong to petroleum industry and basic material chemical field.
Background technology
Due to heavy loading for increasingly increasing and transporting of China's vehicle etc., bituminous paving occurs track, gathers around packet etc.
Phenomenon is on the rise, and hot area is especially prominent in south China.It is main broken that the phenomenon has become the current bituminous highway in China
One of bad form has seriously affected bituminous paving traffic safety and service life.
Itself from cementitious matter, one of the reason of 60 DEG C of viscosity of pitch are relatively low and cause this breakoff phenomenon.Drip
Index one of of the 60 DEG C of green viscosity as characterization asphalt high-temperature stability, can fine simulation bituminous paving in summer road table
When temperature reaches 60 DEG C of high temperature, the resistance to flow energy of pitch.What Ministry of Communications promulgated《Standard specification for construction and acceptance of highway asphalt pavement》In
60 DEG C of dynamic viscosities of road asphalt have formally been classified as road asphalt technical target of the product by " requirement of bi tumenf orr oad technology ".
Therefore, how to effectively improve 60 DEG C of dynamic viscosities of bi tumenf orr oad is particularly important.
To improve 60 DEG C of dynamic viscosities of pitch, improve the high-temperature stability of pitch, Unexamined Patent 8-12977,
CN1289818A, CN1076386C etc. are using oxidation or semi-oxidized method, at a certain temperature, by being passed through sky into pitch
Gas makes pitch that the reactions such as oxidation, polymerization occur, changes the composed structure of pitch, realizes the purpose for improving asphalt viscosity.So
And bituminous paving is with the increase of service life, asphalt component therein can aging due to illumination, property is deteriorated, and road conditions quality becomes
It is bad.And it is actually a kind of process making asphalt component advance aging before applied to road to use oxidizing process production pitch,
Service life of the pitch on road surface can be also shortened while improving pitch performance, and oxidizing process produces pitch
Meeting big energy-consuming, and more exhaust gas is generated, the health and environment of people are adversely affected.
CN97116936.5 provides a kind of production method of the higher heavy duty road asphalt of 60 DEG C of viscosity.The pitch by
Oman's straight asphalt takes solvent extraction and semi-oxidized method after propane de-oiling process, then through semi-oxidized process
In conjunction with asphaltum with high viscosity, but this method complex process is prepared, extractive process needs a large amount of solvent, and operating pressure is larger, solvent
It is also easy to cause fire；Oxidation process equally will produce large quantity of exhaust gas, cause air pollution.
CN201210561929.2 discloses a kind of asphalt caulk, including：Potassium chloride, metanitrophenol, anthraquinone, dodecyl
The bromo- n-butyl alcohol of benzene sulfonic acid sodium salt, etamon chloride, hexadecyltri-n-butylphosp, 4-, diethylamino ethanol caproate, three
Acetyl fluoride acetone praseodymium.Although having used anthraquinone in the patent, the purpose of patent is to prepare asphalt caulk, rather than for improving
60 DEG C of viscosity of road pitch.
The invention discloses a kind of high-viscosity modified asphalts by CN201110441529.3, by common A grades of pitch, thermoplastic elastomehc
Property body, high-phenylethylene, bulking agent, stabilizer composition, obtain 60 DEG C of viscosity through the processing steps such as swelling, shearing or grinding, development
Higher modified pitch.But this method is more harsh to equipment requirement, and material and facility investment is higher, can increase considerably production
Cost, and the storage stability of product is easy to happen laminated segregation phenomenon there are problem after long-time storage.
It is prepared into Sulphur asphalt the study found that sulphur is added in pitch, with the highway of Sulphur asphalt mixture making
With apparent anti-rut behavior.However, because Sulphur asphalt mixture can discharge a large amount of hydrogen sulfide, sulfur dioxide in use
Equal pernicious gases make its application be restricted.Sulphur asphalt mixture making highway can be used by how developing, and it is anti-to improve it
Track performance, and reduce air pollution to the greatest extent, become new research topic.This just needs to be combined Sulphur asphalt with warm mix technology
Get up.
There are mainly three types of modes for previous warm-mixed asphalt technology：First, using the higher emulsification drip of evaporated residue content
Blueness, with building stones mix at a temperature of 80 DEG C ~ 120 DEG C, which is about 30 DEG C ~ 50 DEG C low compared with the temperature of hot asphalt；Second is that mixing
Water when mixture processed（Or the aqueous solution of surfactant）It is added simultaneously in mix tank with pitch, due to the presence of water, makes drip
Blueness foaming, reaches viscosity reducing effect.But above two method will produce a large amount of vapor, easily cause equipment corrosion, also frequent
Mountain flour conglomeration can occur and even cause mixing equipment blockage problem, make troubles to production.Further, since remaining non-volatile water
Code insurance stays in mixture, can influence mixture initial performance.The third method is that warm-mixing agent is added in pitch in advance, so
After take the mode of production same as common hot-mix asphalt mixture, it is easy to operation, be easy received by production unit.This kind
Method reduces the high temperature viscosity of pitch, changes the viscosity-temperature curve of pitch by adding warm-mixing agent in pitch in advance, to
The mix temperature for reducing pitch and building stones, reaches warm mix effect.But presently used warm-mixing agent is reducing asphalt high-temperature viscosity
While, it can generally also cause the reduction of 60 DEG C of viscosity of pitch, the high-temperature stability of asphalt is made to incur loss；Or phase
Instead, when not reducing by 60 DEG C of viscosity, the loss of pitch ductility can be caused, to reduce the cryogenic property of pitch.In short, mesh
Preceding warm-mixing agent used is while so that pitch is reached warm mix effect, is to lose the high-temperature behavior or cryogenic property of pitch
For cost.
CN201010233760.9 use alkylamine, amide, quaternary cationic surfactant and calcium chloride, water for
Warm-mixing agent is made in raw material.It is called " asphalt warm-mix agent " with it, is exactly a kind of aqueous solution of surfactant in fact.Preparing pitch
It is added in pitch when mixture, then adds building stones again.With when being stirred together with pitch, this aqueous surfactant solution
It can foam after heated, drive pitch also to foam, play warm mix effect.But due to foaming effect, bumping is easily caused, operation is not
Just, vapor is also easy to cause equipment corrosion and mountain flour conglomeration occluding device, not susceptible to user acceptance.
CN200910069522.6 discloses a kind of warm-mixed asphalt additive and preparation method thereof, the additive be pass through by
Deionized water is added in the polyvinyl alcohol water solution being made into advance, then sequentially adds rosin quaternary ammonium salt, aromatic hydrocarbon quaternary ammonium salt
Emulsifier, aliphatic hydrocarbon quaternary ammonium salt emulsifier, nonionic surface active agent, stirring and dissolving, then the polyacrylamide that will be made into advance
Amine aqueous solution and triethanolamine are added, and it is finished product to mix to after being uniformly dissolved.The additive can be substantially reduced pitch
Mix temperature, asphalt items pavement performance index also comply with requirement, but the additive not only complicated component, increase
The difficulty and cost of preparation, are unfavorable for practical application.Although and be added to the high temperature viscosity that pitch can be reduced in pitch,
Simultaneously also bring along negative effect reduce pitch softening point and 60 DEG C of viscosity can make to have lost high-temperature stability
Road surface is easy to happen track or gathers around packet.
CN201110158370.4 discloses a kind of warm-mixed asphalt additive and preparation method thereof, is adopted in dicyandiamide solution
The additive formed with a kind of organic silicon modified by polyether polymer.40 DEG C or so of asphalt mixing temperature, and temperature can effectively be reduced
It mixes pitch property indices and is not less than hot asphalt, but lack relevant test method and instance data support.
CN200880116767.7 is prepared for asphalt warm-mix agent using surface active agent composition, wax component, resin Composition.Its
In surface active agent composition be amine, including diamines, polyamines, amide etc., using its lubricating action, play warm mix effect；Wax
Component includes vegetable wax, animal wax, mineral wax, amide waxe, oxidized wax etc., resin Composition include propolis and Petropols such as
Tall oil pitch, pine tar pitch, rosin, phenolic resin etc..Wax component and resin Composition play Efficient Adhesive Promotion, with make up due to
The loss of asphalt viscosity caused by above-mentioned surface active agent composition.Component used in the patent is excessive, although can utilize wherein
Surface active agent composition lubricating action, play warm mix effect, but be easily reduced 60 DEG C of viscosity of pitch, influence pitch
High-temperature stability can also reduce the adhesiveness of pitch and building stones.Although the resin Composition such as rosin, phenolic resin etc. of addition can be more
The loss of the asphalt viscosity caused by above-mentioned surface active agent composition is mended, but the compatibility of resin Composition and pitch is bad, it is long
Time easily causes pitch layering when storing, simultaneously because its hardness is higher, can only improve the high-temperature behavior of pitch, and cannot change
The cryogenic property of kind pitch, easily causes pitch cold cracking, can also influence the adhesiveness of pitch and building stones.
CN201310174417.5 is prepared for asphalt warm-mix agent using amides, aromatic naphtha, binder component.Acyl therein
Amine is ethylene double one or both of oleamides and erucyl amide, and the mix temperature of pitch is reduced using its lubricity；
Binder is dimethylamino propylamine, N- aminoethylpiperazines, diethylenetriamines, trien, tetren
One or more of.Method is will to be first uniformly mixed after amides and aromatic naphtha heating and melting, then adds binder, then stir
It mixes uniformly mixed.It is cooled to later thick, is granulated, dried, crushed, be sieved, obtain the graininess that grain size is less than 20 mesh
Substance, as asphalt warm-mix agent.Amides are while reducing asphalt mixing temperature in the patent, it is easy to reduce the 60 of pitch
DEG C viscosity, influences the high-temperature stability of asphalt, can also reduce the adhesiveness of pitch and building stones.Although addition is taken to bond
The method of agent, " to promote the adhesiveness of pitch and building stones or eliminate amide substance for the unfavorable of pitch and building stones adhesiveness
Influence ", but the binder added can only improve the caking property of asphalt, can not improve the adherency of pitch and building stones
Property, make conceptual mistake.And heating temperature is higher when in use for these binders, will produce a large amount of noxious vapors, gas
It smells foul, influences environment, damage the health of operating personnel.
CN201010511415 describes a kind of oil-resistant road asphalt modifier and preparation method thereof.The oil resistivity road
Asphalt modifier includes 20 ~ 50 parts of styrene-ethylene/butylene-styrene block copolymer (SEBS), polyolefin in mass
10 ~ 30 parts of resin, 15 ~ 45 parts of macromolecule wax are rich in 10 ~ 30 parts of aromatic hydrocarbons tapped oil.Wherein macromolecule wax is Fischer-Tropsch wax, rich in virtue
Hydrocarbon tapped oil is furfural extract oil or phenol treating tapped oil.Preparation method is：Material is launched to twin-screw in proportion to squeeze
Go out stretching and granulation in machine, oil-resistant road asphalt modifier is made in 120 DEG C ~ 200 DEG C of extrusion temperature.The oil resistant of the patent introduction
Property asphalt modifier be to be developed for for the pitch used in the places such as parking lot, airplane parking area in order to improve its oil resistivity
A kind of modifying agent, for the warm mix effect of pitch, there is no enough attention, in the process of development, are squeezed only with twin-screw
Go out machine and carried out simple extrusion mixing, due to unsaturated bond limited amount on polymer molecule used, in Screw Extrusion mistake
Only have a small amount of graft reaction in journey, enough chemical reactions do not occur, substantially a kind of simple physical mixed, for
The warm mix effect of pitch is very limited.
CN201010558295 describes a kind of asphalt mixture warm-mixing modifier and preparation method thereof.It is by following masses
The composition of part is made, fischer-tropsch wax：50 ~ 85 parts, plasticizer：15 ~ 50 parts, polyacid：0 ~ 10 part, synthetic resin：0 ~ 20 part, gather
Ester compounds：0 ~ 5 part.Wherein, synthetic resin is polyisobutene of the molecular weight between 400 ~ 5000.Preparation method：(1) matter is pressed
Amount ratio weighs each component；(2) each component is melted and is stirred at 120 DEG C ~ 130 DEG C, be allowed to be sufficiently mixed uniformly to get institute
The asphalt mixture warm-mixing modifier stated.In the warm-mixing agent development process, without hair biochemical reaction between each component, only simply
Physical mixed.Although the mix temperature of pitch can be reduced, the ductility of pitch can incur loss i.e. asphalt
It is easy to happen cold cracking.
CN201110443825.7 discloses a kind of composition for warm-mix asphalt pavements, by the pitch of 91wt% ~ 94wt%, 3wt% ~
5wt% thermoplastic elastomer (TPE)s, 2wt% ~ 4wt% grafting rate be 4wt% ~ 10wt% maleic anhydride grafted polyethylene wax（MA-g-
PE）, 0.1wt% ~ 1wt% operation oil, viscosity of the composition at 135 DEG C is no more than 700cp, and the composition meets height simultaneously
The requirement of warm plasticity_resistant deformation and anti-low-temperature cracking.But the 135 of the bituminous composition DEG C of viscosity are still very big, 135 in embodiment
DEG C viscosity is 675 cp and 690 cp, and do not provide matrix pitch 135 DEG C of viscosity and as compare not plus MA-g-
Asphalt viscosity when PE, can not know mix temperature reduces how many actually, only from the point of view of the 135 DEG C of viscosity numbers provided, not
Reach warm mix effect.
CN201110236016.9 describes a kind of preparation method of warm-mixed asphalt, and sulphur, plasticizer are specifically mixed 1
Form linear polymeric substance within ~ 24 hours, then by above-mentioned linear polymeric substance and eliminating smell agent, fumet be added 130 DEG C ~
It is mixed in 160 DEG C of matrix pitches at least 30 minutes and obtains warm-mixed asphalt.But the preparation of Sulphur asphalt and temperature in use are higher, can release
The toxic gases such as hydrogen sulfide, sulfur dioxide are released, it is larger to the health hazard of environment and construction personnel, inhibit although smog is added
What agent, fumet, eliminating smell agent etc. can partly inhibit these toxic gases distributes or covers its penetrating odor, but these methods
It cannot all solve the problems, such as that Sulphur asphalt smell during preparation and use is greatly and toxic from the root cause.
In existing warm-mixed asphalt preparation process, while reducing asphalt mixture mixing temperature, it will usually reduce pitch
60 DEG C of viscosity or ductility, to affect the high-temperature stability or low temperature anti-cracking performance of asphalt.How to use
A kind of special warm-mixing agent becomes without influencing its high and low temperature performance while reducing asphalt mixing and forming temperature
A hot issue of warm-mixed asphalt is developed at present.
Attention with people to environmental protection cleans requirement to oil product and is continuously improved, in natural gas purification and
A large amount of sulphur byproduct is produced in petroleum refining process.These by-product sulphur how are efficiently used, pitch mixing is prepared
Expect anti-rutting additive, on the one hand can solve the outlet of a large amount of by-product sulphur, while asphalt mixture anti-rutting can be improved again
Performance, and asphalt mixture mixing and forming temperature are reduced, to reduce pernicious gas occurrence quantity, the thermal cracking of mitigation pitch, have
Conducive to environmental protection, become current hot issue.
Early in 1900, people just started with sulphur come modified pitch, but since sulphur price is surging at that time and sulphur changes drip
Green mixture discharges H in process of production2The problem of sulfurous gas such as S, constrains the development of sulphur modified asphalt technology.Later, with
The exploitation of polymer modified asphalt, sulphur are also applied in pitch, primarily as the stabilization of polymer modified asphalt
Agent, to improve product storage stability.But dosage of the sulphur in polymer modified asphalt is seldom, only 0.01wt% ~
0.1wt% is not enough to promote extensive application of the sulphur in pitch.Therefore, how a large amount of sulphur to be used in pitch, and not
Cause air pollution, this is one and needs the contradictory problems solved.
CN1690126 describes a kind of by a certain proportion of sulphur, carbon, smog inhibitor and plasticizer addition matrix pitch
The middle method for preparing modified asphalt mixture by SEAM.
CN103030984A, which is described, a kind of to be added to sulphur and crystal whisker of gypsum, smog inhibitor in matrix pitch and prepares
The method of sulfur modified pitch.
CN102321373A describes a kind of preparation method of warm mix Sulphur asphalt, and sulphur, plasticizer are specifically mixed 1
Form linear polymeric substance within ~ 24 hours, then by above-mentioned linear polymeric substance and eliminating smell agent, fumet be added 130 DEG C ~
It is mixed in 160 DEG C of matrix pitches at least 30 minutes and obtains warm-mixed asphalt.
It first is prepared into polymer modified asphalt with matrix pitch and SBS etc. in CN101443558B, then in modified pitch
Middle addition sulphur, diatomite etc. are prepared into warm-mixed asphalt, there is addition fiber etc. in mixture mix, be prepared into warm mix antiskid,
Noise-reduction asphalt road surface material.
CN201510022090.9 discloses a kind of Warm-Mix Bitumen Mixture and preparation method thereof, used in warm-mixing agent
It is and to add halogen and catalyst preparation obtains using macromolecule alkane and aromatic naphtha as raw material.Although the patent is in certain journey
It solves the above problem on degree, but during preparing warm-mixing agent, since the reaction temperature of intermediate is low, and lacks catalysis
Agent, reaction speed is slower, and intermediate activity is relatively low, affects the extent of reaction of intermediate and aromatic naphtha, and reaction depth is not allowed yet
Easy to control, obtained warm-mixing agent property is unstable, affects the application effect in pitch.In addition, by the warm-mixing agent for dripping
In blueness, the problem of anti-aging property is deteriorated is had also appeared.
Temperature in use, the system of sulfur modified pitch are not effectively reduced during preparing Sulphur asphalt in the prior art
Standby and temperature in use is higher, can release the toxic gases such as hydrogen sulfide, sulfur dioxide, the health hazard to environment and construction personnel
It is larger, although smog inhibitor, fumet, eliminating smell agent etc., which is added, can partly inhibit distributing or covering it for these toxic gases
Penetrating odor, but these methods cannot all solve from the root cause Sulphur asphalt during preparation and use smell greatly and it is toxic
The problem of.
Invention content
It is higher to solve the processing of Sulphur asphalt mixture and temperature in use in the prior art, easily cause environmental pollution or addition
Though can reduce temperature in use after warm-mixing agent, the bad problem of the thermal stability and anti-aging property of pitch, the present invention provides one
Kind warm mix Sulphur asphalt mixture, a kind of self-control warm-mixing agent is added in pitch, can be substantially reduced Sulphur asphalt mixture
Production and temperature in use, mitigate the caused air pollution in production and use of Sulphur asphalt mixture, while can also carry
The thermal stability of high pitch improves anti-aging property.With the warm mix Sulphur asphalt mixture making bituminous highway, can significantly improve
The anti-rut behavior on road surface.
The technical purpose of the present invention is achieved through the following technical solutions：
A kind of warm mix Sulphur asphalt mixture, it is characterised in that：In terms of mixture total mass, including following mass fraction
Component：
4.0 ~ 6.0 parts of warm mix Sulphur asphalt
1.0 ~ 3.0 parts of miberal powder
Gather materials 91.0 ~ 95.0 parts
Wherein the warm mix Sulphur asphalt includes the component of following mass fraction：
33 ~ 79.5 parts of matrix pitch
0.5 ~ 7 part of warm-mixing agent
20 ~ 60 parts of sulphur
The warm-mixing agent is prepared using following methods：
A. halogen simple substance and catalyst will be added after the heating melting of macromolecule alkane, is passed through protection gas, centre is obtained by the reaction
Body；
B. complex compound is added into aromatic naphtha, is uniformly mixing to obtain aromatic hydrocarbons complexing components；
C. by the intermediate in aromatic hydrocarbons complexing components steps for importing a described in step b, it is passed through protection gas, is obtained by the reaction
Dope；
The macromolecule alkane is mixing macromolecule alkane of the alkane molar content of C30 ~ C130 90% or more；
The catalyst is selected from anhydrous CuCl2, anhydrous MnCl2, anhydrous CrCl3With anhydrous NiCl2At least one of；
The complex compound is selected from [Cu (NH3)4]SO4、[Pt(NH3)2]Cl2、K[Pt(C2H4)Cl3]、K4[Fe(CN)6]、K3
[Fe(CN)6]、Fe4[Fe(CN)6]3、Ni(CO)4、[Co(NH3)5Cl]SO4、(NH4)3[Cr(NCS)6At least one of].
Further, it is described gather materials at least one of gather materials selected from limestone, basalt, andesite or granite；Institute
It states the proportioning gathered materials and meets any one in close-graded AC-10, AC-13, AC-16 or AC-20；The miberal powder is ground by ore
It grinds, wherein particle proportion of the grain size less than 0.075mm is more than 70% as mass fraction.
Further, in the warm mix Sulphur asphalt of above mass fraction composition, the additive amount of the warm-mixing agent is preferably 1
~ 7 parts.
Further, the macromolecule alkane is mixing macromolecule of the alkane molar content of C60 ~ C130 90% or more
Alkane, the macromolecule alkane are or mixtures thereof linear paraffin, branched paraffin.
Further, the macromolecule alkane will obtain preferably using metals such as Fe, Co, Ni as catalyst after coal gasification
The CO arrived, with H2Synthetic reaction is carried out, mixing macromolecule alkane of the alkane molar content that carbon number is 30 ~ 130 90% or more is obtained
Hydrocarbon.Wherein H2Molar ratio when carrying out synthetic reaction with CO is 2 ~ 2.5,320 DEG C ~ 340 DEG C of reaction temperature, pressure 2.0 ~
2.2MPa。
Further, reaction temperature when preparing intermediate in step a is 400 DEG C ~ 480 DEG C, and reaction pressure is 3 ~ 5MPa,
Reaction time is 30~60min.
Further, the dosage of halogen simple substance described in step a is 0.25 ~ 0.75 times of molal quantity of macromolecule alkane,
The dosage of the catalyst is the 0.3%~0.9% of macromolecule alkane in mass.
Further, the one kind of the halogen simple substance in fluorine, chlorine and bromine, preferably chlorine or bromine.
Further, it is stirred at being 270 DEG C ~ 350 DEG C in temperature in step b, mixing time is 120 ~ 180min.
Further, the aromatic naphtha is a kind of component rich in aromatic hydrocarbons, and wherein arene content is more than as mass fraction
57%, preferably arene content is more than 70%, can be the line tapped oil that subtracts four, furfural extract oil, phenol treating tapped oil or urges
Change the mixture of one or more of cracking slurry oil.The dosage of the complex compound is arene content in aromatic naphtha in mass
3%~9%.
Further, by the intermediate in aromatic hydrocarbons complexing components steps for importing a in step c, mixed proportion is with raw material
The quality meter of macromolecule alkane and aromatic naphtha is 1 ~ 7:7~1.Reaction temperature is 350 DEG C ~ 400 DEG C, and reaction pressure is 2 ~ 4MPa,
60 ~ 120min of reaction time.
Further, it is nitrogen that gas is protected described in step a and c.
Further, the matrix pitch can select the asphalt that various crude oil and different process produce, such as straight run
One or more of pitch, oxidized asphalt, solvent deoiling pitch or blend asphalt.
Further, the sulphur is sulphur caused by oil or natural gas processing process, can be technical grade, also may be used
To be food-grade；Can be rhombic sulfur or monoclinic sulphur；Can be sheet, powdered or graininess in form.
The present invention separately provides the preparation method of the warm mix Sulphur asphalt mixture, includes the following steps：
1. the preparation of warm mix Sulphur asphalt：Matrix pitch is first heated to 120 DEG C ~ 160 DEG C, stirs and add warm-mixing agent,
Sulphur, stirring is added；
2. by stirred tank and gathering materials and being heated separately to 110 DEG C ~ 150 DEG C, it will gather materials, miberal powder while being added in stirred tank,
Stirring；
3. warm mix Sulphur asphalt is heated to molten condition, be added in stirred tank, with gather materials, miberal powder be mixed, obtain
To the warm mix Sulphur asphalt mixture.
Further, step 1. in be added after warm-mixing agent that be stirred to react the time be 30 ~ 60min, be added after sulphur stir it is anti-
It is 40 ~ 120min between seasonable.The preparation of the production process of the warm mix Sulphur asphalt carry out in closed container and add pumping very
Empty set is united, and the pernicious gas generated in production process is collected, is absorbed by aqueous slkali, such as sodium hydroxide.
Warm mix Sulphur asphalt mixture of the present invention compared with prior art, has the following advantages that：
1, the warm-mixing agent used in the present invention is homemade warm-mixing agent, and intermediate is prepared under higher temperature, pressure and is increased
Add catalyst, not only shorten the reaction time, but also can steadily control reaction process, is easy to hold the performance of intermediate, make
Obtained warm-mixing agent performance is stablized.
2, during preparing warm-mixing agent, addition complex compound stirs evenly in aromatic naphtha, is then carried out again with intermediate
Reaction, obtained warm-mixing agent not only has warm mix effect to pitch, has taken into account the high temperature performance of pitch, but also also improves drip
Green thermal stability, improves anti-aging property.
3, in warm mix Sulphur asphalt mixture of the present invention, as a result of warm mix Sulphur asphalt, keep mixture track dynamic steady
Fixed degree greatly improves, and can significantly improve the anti-rut behavior of bituminous paving, be particularly suitable for heavy traffic flow or south China high temperature
Area is easy to happen the bituminous highway of track；Cryogenic property is also taken into account simultaneously, alleviates the pernicious gases pair such as hydrogen sulfide
The pollution of environment.
4, warm mix Sulphur asphalt used in warm mix Sulphur asphalt mixture of the present invention is prepared using homemade warm-mixing agent
's.The mix temperature of asphalt is can obviously reduce, but also has taken into account high and low temperature performance.
5, more sulphur can be added in the warm mix Sulphur asphalt used in the present invention, promotes sulphur answering in pitch
With expanding the market of sulphur, reduce cost of building the road, save a large amount of pitch resource.
Specific implementation mode
In conjunction with following embodiments technical solution that the present invention will be described in detail, but the present invention is not limited to following embodiments.
Embodiment 1
（1）Prepare warm-mixing agent
Using Ni metals as catalyst, the CO that will be obtained after coal gasification, with H2Carry out synthetic reaction, obtain carbon number be 30 ~
60 alkane accounts for 90% mixed alkanes.
1. weighing above-mentioned mixed alkanes 1000g, about 1.2mol is placed in closed container, is heated to 480 DEG C, addition 3g is urged
The anhydrous CuCl of agent2, keep introducing the chlorine of 0.89 mol at a temperature of this, and being passed through nitrogen makes the pressure of reaction vessel be maintained at
3MPa, reaction 30min obtain intermediate；
2. weighing the line tapped oil 7000g that subtracts four that arene content is 70%, the complex compound (Cu of 441g is added thereto
（NH3）4〕SO4, in another container and 350 DEG C are heated to, constant temperature stirs 180min at this temperature, obtains aromatic hydrocarbons complexing group
Point；
3. aromatic hydrocarbons complexing components are imported in above-mentioned intermediate, it is 400 DEG C to keep temperature, so that pressure is maintained at full of nitrogen
2MPa, isothermal reaction 60min obtain the warm-mixing agent used in the present invention.Each group distribution ratio is shown in Table 1.
（2）Prepare warm mix Sulphur asphalt
It is de- to be added to No. 50 solvents of husky Crude Oil that quality is 33kg, temperature is 160 DEG C for the above-mentioned warm-mixing agent for weighing 7kg
In oil asphalt, 60min is stirred, warm-mixed asphalt is obtained；Then the sulphur of 60kg is added in above-mentioned warm-mixed asphalt, stirring 120
Min obtains warm mix Sulphur asphalt of the present invention（Number A-1）.
（3）Prepare warm mix Sulphur asphalt mixture
Dedicated asphalt stirred tank is heated to 150 DEG C of constant temperature in advance；Liaoyang andesite is gathered materials and is configured to grade
With gathering materials for AC-10, gross mass 91kg, be heated to 150 DEG C it is spare；Weigh above-mentioned warm mix Sulphur asphalt（A-1）6.0kg adds
Heat is spare to 150 DEG C；Weigh miberal powder 3.0kg.Kettle to be mixed gathers materials, after asphalt temperature is constant, by it is above-mentioned gather materials, miberal powder together
It is added in stirred tank, stirs 2 minutes；Then above-mentioned load weighted warm mix Sulphur asphalt is added in stirred tank, stirs 3 points
Clock obtains warm mix Sulphur asphalt mixture of the present invention.Warm mix Sulphur asphalt mixture of the present invention is prepared into various mixture examinations
Part simultaneously carries out henchnmrk test, the results are shown in Table 4.
Embodiment 2
（1）Prepare warm-mixing agent
Using Co metals as catalyst, the CO that will be obtained after coal gasification, with H2Carry out synthetic reaction, obtain carbon number be 30 ~
130 alkane accounts for 90% mixed alkanes.
1. weighing above-mentioned mixed alkanes 3500g, about 4.5mol is placed in closed container, is heated to 400 DEG C, adds 31.5g
The anhydrous MnCl of catalyst2, the chlorine of introducing 1.16mol at a temperature of this is kept, and being passed through nitrogen makes the pressure of reaction vessel be maintained at
5MPa, reaction 60min obtain intermediate；
2. weighing the catalytic cracked oil pulp 1000g that arene content is 63%, the complex compound K of 19g is added thereto4〔Fe
（CN）6), in another container and 270 DEG C are heated to, constant temperature stirs 120min at this temperature, obtains aromatic hydrocarbons complexing components；
3. aromatic hydrocarbons complexing components are imported in above-mentioned intermediate, it is 350 DEG C to keep temperature, so that pressure is maintained at full of nitrogen
4MPa, isothermal reaction 120min obtain the warm-mixing agent used in the present invention.Each group distribution ratio is shown in Table 1.
（2）Prepare warm mix Sulphur asphalt
The above-mentioned warm-mixing agent for weighing 0.5kg is added to No. 90 oxygen of LIAOHE CRUDE that quality is 79.5kg, temperature is 140 DEG C
Change in pitch, stirs 30min, obtain warm-mixed asphalt；Then the sulphur of 20kg is added in above-mentioned warm-mixed asphalt, is stirred
40min obtains warm mix Sulphur asphalt of the present invention（Number A-2）.
（3）Prepare warm mix Sulphur asphalt mixture
Dedicated asphalt stirred tank is heated to 120 DEG C of constant temperature in advance；Tieling basalt aggregate is configured to grade
With gathering materials for AC-16, gross mass 95kg, be heated to 120 DEG C it is spare；Weigh above-mentioned warm mix Sulphur asphalt（A-2）4.0kg
Be heated to 120 DEG C it is spare；Weigh miberal powder 1.0kg.Kettle to be mixed gathers materials, after asphalt temperature is constant, by it is above-mentioned gather materials, miberal powder one
It rises and is added in stirred tank, stir 2 minutes；Then above-mentioned load weighted warm mix Sulphur asphalt is added in stirred tank, stirring 3
Minute, obtain warm mix Sulphur asphalt mixture of the present invention.Warm mix Sulphur asphalt mixture of the present invention is prepared into various mixtures
Test specimen simultaneously carries out henchnmrk test, the results are shown in Table 4.
Embodiment 3
（1）Prepare warm-mixing agent
Using Fe metals as catalyst, the CO that will be obtained after coal gasification, with H2Carry out synthetic reaction, obtain carbon number be 70 ~
90 alkane accounts for 90% mixed alkanes.
1. weighing above-mentioned mixed alkanes 1000g, about 0.8mol is placed in closed container, is heated to 440 DEG C, addition 6g is urged
The anhydrous NiCl of agent2, the fluorine of introducing 0.31mol at a temperature of this is kept, and being passed through nitrogen makes the pressure of reaction vessel be maintained at
4MPa, reaction 45min obtain intermediate；
2. weighing the phenol treating tapped oil 3500g that arene content is 78%, the complex compound (Ni of 164g is added thereto
(CO)4), in another closed container and 310 DEG C are heated to, constant temperature stirs 160min at this temperature, obtains aromatic hydrocarbons complexing
Component；
3. aromatic hydrocarbons complexing components are imported in above-mentioned intermediate, it is 375 DEG C to keep temperature, so that pressure is maintained at full of nitrogen
3MPa, isothermal reaction 90min obtain the warm-mixing agent used in the present invention.Each group distribution ratio is shown in Table 1.
（2）Prepare warm mix Sulphur asphalt
The above-mentioned warm-mixing agents of 4kg are weighed, No. 70 blend asphalts of Tahe Crude Oil that quality is 56kg, temperature is 150 DEG C are added to
In, 45min is stirred, warm-mixed asphalt is obtained；Then the sulphur of 40kg is added in above-mentioned warm-mixed asphalt, stirs 80min, obtains
Warm mix Sulphur asphalt of the present invention（Number A-3）.
（3）Prepare warm mix Sulphur asphalt mixture
Dedicated asphalt stirred tank is heated to 130 DEG C of constant temperature in advance；Fushun limestone aggregates are configured to grade
With gathering materials for AC-13, gross mass 93kg, be heated to 130 DEG C it is spare；Weigh above-mentioned warm mix Sulphur asphalt（A-3）5.0kg adds
Heat is spare to 130 DEG C；Weigh miberal powder 2.0kg.Kettle to be mixed gathers materials, after asphalt temperature is constant, by it is above-mentioned gather materials, miberal powder together
It is added in stirred tank, stirs 2 minutes；Then above-mentioned load weighted warm mix Sulphur asphalt is added in stirred tank, stirs 3 points
Clock obtains warm mix Sulphur asphalt mixture of the present invention.Warm mix Sulphur asphalt mixture of the present invention is prepared into various mixture examinations
Part simultaneously carries out henchnmrk test, the results are shown in Table 4.
Embodiment 4
（1）Prepare warm-mixing agent
Using Fe metals as catalyst, the CO that will be obtained after coal gasification, with H2Carry out synthetic reaction, obtain carbon number be 110 ~
130 alkane accounts for 90% mixed alkanes.
1. weighing above-mentioned mixed alkanes 7000g, about 4.2mol is placed in closed container, is heated to 400 DEG C, addition 21g is urged
The anhydrous CrCl of agent3, the bromine of introducing 1.15mol at a temperature of this is kept, and being passed through nitrogen makes the pressure of reaction vessel be maintained at
4MPa, reaction 45min obtain intermediate；
2. weighing the furfural extract oil 1000g that arene content is 57%, the complex compound (NH of 17g is added thereto4)3
〔Cr(NCS)6), in another container and 310 DEG C are heated to, constant temperature stirs 160min at this temperature, obtains aromatic hydrocarbons complexing
Component；
3. aromatic hydrocarbons complexing components are imported in above-mentioned intermediate, it is 375 DEG C to make temperature, so that pressure is maintained at full of nitrogen
3MPa, isothermal reaction 90min obtain the warm-mixing agent used in the present invention.Each group distribution ratio is shown in Table 1.
（2）Prepare warm mix Sulphur asphalt
The above-mentioned warm-mixing agents of 1kg are weighed, No. 110 straight asphaltes of Oman's crude oil that quality is 49kg, temperature is 130 DEG C are added to
In, 40min is stirred, warm-mixed asphalt is obtained；Then the sulphur of 50kg is added in above-mentioned warm-mixed asphalt, stirs 100min, obtains
To warm mix Sulphur asphalt of the present invention（Number A-4）.
（3）Prepare warm mix Sulphur asphalt mixture
Dedicated asphalt stirred tank is heated to 110 DEG C of constant temperature in advance；Fushun limestone aggregates are configured to grade
With gathering materials for AC-13, gross mass 93kg, be heated to 110 DEG C it is spare；Weigh above-mentioned warm mix Sulphur asphalt（WBS-4）5.0kg
Be heated to 110 DEG C it is spare；Weigh miberal powder 2.0kg.Kettle to be mixed gathers materials, after asphalt temperature is constant, by it is above-mentioned gather materials, miberal powder one
It rises and is added in stirred tank, stir 2 minutes；Then above-mentioned load weighted warm mix Sulphur asphalt is added in stirred tank, stirring 3
Minute, obtain warm mix Sulphur asphalt mixture of the present invention.Warm mix Sulphur asphalt mixture of the present invention is prepared into various mixtures
Test specimen simultaneously carries out henchnmrk test, the results are shown in Table 4.
Comparative example 1
（1）Prepare warm-mixing agent（According to the method in CN201510022090.9）
To be carried out by raw material of natural gas the obtained carbon number of synthetic reaction be 130, molecular weight 1822, weight 700kg
The heating melting of macromolecule alkane be placed in closed container, be heated to 400 DEG C, keep introducing at a temperature of this 115 moles of bromine,
180min is stirred, intermediate is obtained；The furfural extract oil 100kg that arene content is 57% is weighed, another closed container is mounted in
150 DEG C are inside heated to, adds the anhydrous FeCl of 0.17kg thereto3, stir 30min.It then will among the above under stirring
Mesosome is injected to mist in furfural extract oil, and after all spraying into, 150 DEG C of constant temperature is stirred to react 180min, obtains pair
Compare warm-mixing agent.Each group distribution ratio is shown in Table 1.
（2）Prepare warm mix Sulphur asphalt
Warm mix Sulphur asphalt is prepared according to method identical with the embodiment of the present invention 4.
（3）Prepare warm mix Sulphur asphalt mixture
Warm mix Sulphur asphalt mixture is prepared according to method identical with the embodiment of the present invention 4.
Comparative example 2
Mixed alkanes 1kg same as Example 4 is weighed, Oman's crude oil that quality is 49kg, temperature is 130 DEG C is added to
In No. 110 straight asphaltes, 30 min are stirred；Then the sulphur of 50 kg is added, 100 min is stirred, obtains a kind of Sulphur asphalt
（Number is SA-1）.Mix and forming temperature are shown in Table 2.
Dedicated asphalt stirred tank is heated to 110 DEG C of constant temperature in advance；Fushun limestone aggregates are configured to grade
With gathering materials for AC-13, gross mass 93kg, be heated to 110 DEG C it is spare；Weigh above-mentioned Sulphur asphalt（SA-1）5.0kg is heated to
110 DEG C spare；Weigh miberal powder 2.0kg.Kettle to be mixed gathers materials, after asphalt temperature is constant, by it is above-mentioned gather materials, miberal powder adds together
Into stirred tank, stir 2 minutes；Then above-mentioned load weighted Sulphur asphalt is added in stirred tank, stirs 3 minutes, obtains
Sulphur asphalt mixture.The Sulphur asphalt mixture is prepared into various compound test specimens and carries out henchnmrk test, as a result
It is shown in Table 4.
Comparative example 3
The furfural extract oil 1kg for being 57% by arene content, be added to that quality is 49 kg, temperature is 130 DEG C Ah
In No. 110 straight asphaltes of graceful crude oil, 30 min are stirred；Then the sulphur of 50 kg is added, 100 min is stirred, obtains a kind of sulphur
Pitch（Number is SA-2）.Mix and forming temperature are shown in Table 2.
Dedicated asphalt stirred tank is heated to 110 DEG C of constant temperature in advance；Fushun limestone aggregates are configured to grade
With gathering materials for AC-13, gross mass 93kg, be heated to 110 DEG C it is spare；Weigh above-mentioned Sulphur asphalt（SA-2）5.0kg is heated to
110 DEG C spare；Weigh miberal powder 2.0kg.Kettle to be mixed gathers materials, after asphalt temperature is constant, by it is above-mentioned gather materials, miberal powder adds together
Into stirred tank, stir 2 minutes；Then above-mentioned load weighted warm mix Sulphur asphalt is added in stirred tank, is stirred 3 minutes,
Obtain Sulphur asphalt mixture.The asphalt is prepared into various compound test specimens and carries out henchnmrk test, as a result
It is shown in Table 4.
Comparative example 4
Weigh the furfural extract oil that mixed alkanes 0.875kg same as Example 4 and arene content are 57%
0.125kg, while being added in No. 110 straight asphaltes of Oman's crude oil that quality is 49kg, temperature is 130 DEG C, 30min is stirred,
Then the sulphur of 50 kg is added, 100 min is stirred, obtains a kind of Sulphur asphalt（Number is SA-3）.Mix and forming temperature are shown in
Table 2.
Dedicated asphalt stirred tank is heated to 110 DEG C of constant temperature in advance；Fushun limestone aggregates are configured to grade
With gathering materials for AC-13, gross mass 93kg, be heated to 110 DEG C it is spare；Weigh above-mentioned Sulphur asphalt（SA-3）5.0kg is heated to
110 DEG C spare；Weigh miberal powder 2.0kg.Kettle to be mixed gathers materials, after asphalt temperature is constant, by it is above-mentioned gather materials, miberal powder adds together
Into stirred tank, stir 2 minutes；Then above-mentioned load weighted Sulphur asphalt is added in stirred tank, stirs 3 minutes, obtains
Sulphur asphalt mixture.The asphalt is prepared into various compound test specimens and carries out henchnmrk test, the results are shown in Table
4。
Comparative example 5
The sulphur for weighing 50kg is added to No. 110 straight asphaltes of Oman's crude oil that quality is 50 kg, temperature is 130 DEG C
In, 100 min are stirred, a kind of Sulphur asphalt is obtained（Number is SA-4）.Mix and forming temperature are shown in Table 2.
Dedicated asphalt stirred tank is heated to 110 DEG C of constant temperature in advance；Fushun limestone aggregates are configured to grade
With gathering materials for AC-13, gross mass 93kg, be heated to 110 DEG C it is spare；Weigh above-mentioned Sulphur asphalt（SA-4）5.0kg is heated to
110 DEG C spare；Weigh miberal powder 2.0kg.Kettle to be mixed gathers materials, after asphalt temperature is constant, by it is above-mentioned gather materials, miberal powder adds together
Into stirred tank, stir 2 minutes；Then above-mentioned load weighted Sulphur asphalt is added in stirred tank, stirs 3 minutes, obtains
Asphalt.The asphalt is prepared into various compound test specimens and carries out henchnmrk test, the results are shown in Table 4.
Comparative example 6
Dedicated asphalt stirred tank is heated to 110 DEG C of constant temperature in advance；Fushun limestone aggregates are configured to grade
With gathering materials for AC-13, gross mass 93kg, be heated to 110 DEG C it is spare；No. 110 straight asphalt 2.5kg of Oman's crude oil are weighed, are added
Heat is spare to 110 DEG C；Weigh miberal powder 2.0kg, sulphur 2.5kg.Kettle to be mixed gathers materials, after asphalt temperature is constant, by above-mentioned collection
Material, miberal powder are added in stirred tank together, stir 2 minutes；Then above-mentioned load weighted straight asphalt and sulphur are added simultaneously
Into stirred tank, stirs 3 minutes, obtain Sulphur asphalt mixture.The asphalt is prepared into various compound test specimens simultaneously
Henchnmrk test is carried out, the results are shown in Table 4.
Table 1. prepares warm-mixing agent each group distribution ratio
The comparison of 2. warm mix Sulphur asphalt of the present invention of table and matrix pitch and comparative example
3. film experimental result of table
4. asphalt of table is with when property
[1] JTG F40-2004《Standard specification for construction and acceptance of highway asphalt pavement》.
It is dripped as can be seen from Table 2, the high temperature viscosity of the warm mix Sulphur asphalt used in the present invention is all significantly lower than corresponding matrix
Green and Sulphur asphalt, to make mix and forming temperature reduce by 20 DEG C ~ 25 DEG C.Warm mix Sulphur asphalt used in the present invention with it is opposite
The matrix pitch and Sulphur asphalt answered compare, and when needle penetration is essentially identical, softening point and 60 DEG C of viscosity are improved significantly, and 10
DEG C ductility significantly increases, and illustrates that the warm mix Sulphur asphalt used in the present invention not only can reach warm mix effect, but also in high-temperature stable
Property and low temperature ductility in terms of be better than corresponding matrix pitch and Sulphur asphalt.
Anti-aging property is characterized by film experimental result, and as shown in table 3, comparison is as it can be seen that using the temperature used in the present invention
The pitch that the warm mix Sulphur asphalt anti-aging property that agent obtains is significantly better than any comparative example is mixed, i.e., warm-mixing agent of the present invention is being realized
While warm mix effect, the thermal stability of pitch is improved, anti-aging property is made to be improved, and the warm mix used in comparative example 1
Agent has negative effect to the anti-aging property of pitch.
By table 4 as it can be seen that the track dynamic stability of warm mix Sulphur asphalt mixture of the present invention significantly improves, girder bending failure
Strain also increases, and other indexs meet demand of technical standard.It is anti-to illustrate that warm mix Sulphur asphalt mixture of the present invention not only increases
Track performance, cryogenic property are also taken into account.
Claims (10)
1. a kind of warm mix Sulphur asphalt mixture, it is characterised in that：In terms of mixture total mass, include the group of following mass fraction
Point：
4.0 ~ 6.0 parts of warm mix Sulphur asphalt
1.0 ~ 3.0 parts of miberal powder
Gather materials 91.0 ~ 95.0 parts
Wherein the warm mix Sulphur asphalt includes the component of following mass fraction：
33 ~ 79.5 parts of matrix pitch
0.5 ~ 7 part of warm-mixing agent
20 ~ 60 parts of sulphur
The warm-mixing agent is prepared using following methods：
A. halogen simple substance and catalyst will be added after the heating melting of macromolecule alkane, is passed through protection gas, intermediate is obtained by the reaction；
B. complex compound is added into aromatic naphtha, is uniformly mixing to obtain aromatic hydrocarbons complexing components；
C. by the intermediate in aromatic hydrocarbons complexing components steps for importing a described in step b, it is passed through protection gas, is obtained by the reaction described
Warm-mixing agent；
The macromolecule alkane is mixing macromolecule alkane of the alkane molar content of C30 ~ C130 90% or more；
The catalyst is selected from anhydrous CuCl2, anhydrous MnCl2, anhydrous CrCl3With anhydrous NiCl2At least one of；
The complex compound is selected from [Cu (NH3)4]SO4、[Pt(NH3)2]Cl2、K[Pt(C2H4)Cl3]、K4[Fe(CN)6]、K3[Fe
(CN)6]、Fe4[Fe(CN)6]3、Ni(CO)4、[Co(NH3)5Cl]SO4、(NH4)3[Cr(NCS)6At least one of].
2. warm mix Sulphur asphalt mixture according to claim 1, it is characterised in that：It is described to gather materials selected from limestone, profound
Wu Yan, andesite or granite at least one of gather materials；The miberal powder is ground by ore, and wherein grain size is less than
The particle proportion of 0.075mm is more than 70% as mass fraction.
3. warm mix Sulphur asphalt mixture according to claim 1, it is characterised in that：When preparing warm-mixing agent, made in step a
The reaction temperature of standby intermediate is 400 DEG C ~ 480 DEG C, and reaction pressure is 3 ~ 5MPa, and the reaction time is 30~60min.
4. warm mix Sulphur asphalt mixture according to claim 1, it is characterised in that：When preparing warm-mixing agent, institute in step a
The dosage for stating halogen simple substance is 0.25 ~ 0.75 times of the molal quantity of macromolecule alkane, and the dosage of the catalyst is in mass
The 0.3%~0.9% of macromolecule alkane.
5. warm mix Sulphur asphalt mixture according to claim 1, it is characterised in that：When preparing warm-mixing agent, in step b
Temperature is to be stirred at 270 DEG C ~ 350 DEG C, and mixing time is 120 ~ 180min.
6. warm mix Sulphur asphalt mixture according to claim 1, it is characterised in that：When preparing warm-mixing agent, institute in step b
It states the arene content in aromatic naphtha and is more than 57% as mass fraction, the dosage of the complex compound is virtue in aromatic naphtha in mass
The 3%~9% of hydrocarbon content.
7. warm mix Sulphur asphalt mixture according to claim 1, it is characterised in that：It, will in step c when preparing warm-mixing agent
In intermediate in aromatic hydrocarbons complexing components steps for importing a, mixed proportion in terms of the quality of raw material macromolecule alkane and aromatic naphtha,
It is 1 ~ 7:7~1.
8. warm mix Sulphur asphalt mixture according to claim 1, it is characterised in that：When preparing warm-mixing agent, step c's is anti-
It is 350 DEG C ~ 400 DEG C to answer temperature, and reaction pressure is 2 ~ 4MPa, 60 ~ 120min of reaction time.
9. the preparation method of the warm mix Sulphur asphalt mixture described in claim 1 ~ 8 any one, includes the following steps：
1. the preparation of warm mix Sulphur asphalt：Matrix pitch is first heated to 120 DEG C ~ 160 DEG C, stirs and add warm-mixing agent, is added
Sulphur, stirring；
2. by stirred tank and gathering materials and being heated separately to 110 DEG C ~ 150 DEG C, it will gather materials, miberal powder while being added in stirred tank, stirring；
3. warm mix Sulphur asphalt is heated to molten condition, be added in stirred tank, with gather materials, miberal powder be mixed, obtain institute
State warm mix Sulphur asphalt mixture.
10. the preparation method of warm mix Sulphur asphalt mixture according to claim 9, it is characterised in that：Step 1. in plus
The time is stirred to react as 30 ~ 60min after entering warm-mixing agent, and the time is stirred to react as 40 ~ 120min after sulphur is added.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320765A (en) * | 2011-07-27 | 2012-01-18 | 云南省公路科学技术研究院 | Warm-mix regenerated asphalt mixture |
| CN104445338A (en) * | 2014-11-13 | 2015-03-25 | 盐城工学院 | Waste drilling mud treatment method |
| CN104591605A (en) * | 2015-01-16 | 2015-05-06 | 辽宁兆利高新路面材料有限公司 | Warm-mix asphalt mixture and preparation method thereof |
| CN104609790A (en) * | 2015-01-16 | 2015-05-13 | 辽宁兆利高新路面材料有限公司 | Warm mixing type anti-rutting asphalt mixture and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320765A (en) * | 2011-07-27 | 2012-01-18 | 云南省公路科学技术研究院 | Warm-mix regenerated asphalt mixture |
| CN104445338A (en) * | 2014-11-13 | 2015-03-25 | 盐城工学院 | Waste drilling mud treatment method |
| CN104591605A (en) * | 2015-01-16 | 2015-05-06 | 辽宁兆利高新路面材料有限公司 | Warm-mix asphalt mixture and preparation method thereof |
| CN104609790A (en) * | 2015-01-16 | 2015-05-13 | 辽宁兆利高新路面材料有限公司 | Warm mixing type anti-rutting asphalt mixture and preparation method thereof |
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