CN104559262A - Energy-saving environment-friendly asphalt and preparation method thereof - Google Patents
Energy-saving environment-friendly asphalt and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to the technical field of materials for road engineering, and provides energy-saving environment-friendly asphalt which is characterized by consisting of the following components in parts by weight: 100 parts of soft asphalt, 20-35 parts of natural asphalt, 10-20 parts of biological asphalt, 5-10 parts of a diluting agent, 2-5 parts of a tackifier and 1-3 parts of a plasticizer. The invention also provides a preparation process of the energy-saving environment-friendly asphalt. The process is simple and convenient to operate, can be used for reducing the mixing temperature and is beneficial for energy conservation and environmental protection. According to the energy-saving environment-friendly asphalt provided by the invention, the high-temperature viscosity is reduced and the fluidity is improved, so that the mixing and construction temperatures are reduced by 10-20 DEG C, energy sources are saved, the discharge of polluting gases is reduced, the environmental protection performance is good, and meanwhile, the pavement performance of an asphalt mixture is improved, and the high-temperature rut resistance, low-temperature cracking resistance and water stability are significantly improved.
Description
Technical field
The invention belongs to road engineering and use field of material technology, be specifically related to a kind of energy saving and environment friendly pitch and preparation technology thereof.
Background technology
Building a resource-conserving and environment-friendly society is the long-term strategic task of one, China, in road project, technology is paved the way as road construction energy-saving and emission-reduction Demonstration And Extension engineering warm-mixed asphalt by China's " communications and transportation " 12 " development program ".But domestic and international warm mix technology is while reduction bituminous mixture construction temperature at present, also the part pavement performance of compound can be damaged to a certain extent, and warm-mixing agent price is generally expensive, needs to add special production unit simultaneously, hinder it and apply.In construction, also discharge a large amount of CO at bituminous pavement simultaneously
2, CO, SO
2and NO
xin gas and dust, and in bituminous mixture, consume more multi-energy, so just exacerbate the destruction to environment and the consumption to Nonrenewable resources, add the serious waste of resources such as straw, animal excrement, white garbage cannot be recycled, and these must not meet the theory of Sustainable development.In addition, urban road is generally constructed all at night, and temperature is lower, cold district and highlands, and its envrionment temperature is also lower, requires that high construction temperature must pay larger cost in low ambient temperature conditions.So, adopt a kind of energy saving and environment friendly pitch, make full use of waste resource, reduce asphalt pavement construction temperature, decreasing pollution gaseous emission, save energy and resource, thus effectively alleviate deficiency above, improve the pavement performance of asphalt simultaneously.
Summary of the invention
For the deficiencies in the prior art, the object of the invention is to, the energy saving and environment friendly pitch providing a kind of construction temperature low and preparation technology thereof.
In order to realize above object, the technical scheme of the energy saving and environment friendly pitch of the present invention is:
With weight parts, comprise following integral part:
Described fluxed bitumen is the one in Liaohe River petrochemical industry 110# matrix pitch, 130# matrix pitch and 160# matrix pitch.
Described rock asphalt is rock asphalt or lake pitch; Wherein lake pitch is Trinidad Lake Asphalt.
Described Biological asphalt is obtained by biomass heavy oil, and 15 DEG C of penetration degrees are 6.0 ~ 7.0mm, and softening temperature is 40 ~ 50 DEG C, and 15 DEG C of ductilities are 6 ~ 12cm.
Described thinner is one or more in waste lubricating oil, sewer oil, vegetables oil, turps and furfural extract oil.
Described tackifier are one or several in epoxy resin, urethane, polyamide resin, petroleum resin and polyethylene terephthalate.
Described softening agent is one or several in waste rubber powder, waste or used plastics, cellulose powder, powder styrene butadiene rubber sbr and powder thermoplastic styrene butadiene rubber SBS.
The technical scheme of preparation technology of the present invention is:
Comprise the following steps:
1) with weight parts, successively the Biological asphalt of 10 ~ 20 parts, the tackifier of 2 ~ 5 parts and the softening agent of 1 ~ 3 part mixed and stir in order, obtaining mixture A;
2) get 100 parts of fluxed bitumens and be heated to molten state, then the fluxed bitumen of molten state is poured in whipping device;
3) thinner of 5 ~ 10 parts is joined step 2) fluxed bitumen in, stir, obtain mixture B;
4) 20 ~ 35 parts of rock asphalts are joined in mixture B, stir in the molten state, obtain mixture C;
5) again mixture A is joined in the mixture C in stirring, stir and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 140 ~ 160 DEG C, grow 50 ~ 70min, obtain energy saving and environment friendly pitch.
Described step 2) in fluxed bitumen 140 ~ 160 DEG C of meltings.
The rotating speed of described whipping device is 300 ~ 500r/min, step 4) in 145 ~ 150 DEG C stir 25 ~ 35min, step 5) in stir 8 ~ 12min.
Compared with prior art, useful technique effect is in the present invention:
Biological asphalt in instant component and rock asphalt are brought into its flourishing reticulated structure in fluxed bitumen, improve the intermolecular forces based on hydrogen bond, enhance polar link, chemically crosslinked, be polymerized macromolecular network structure, thus the viscosity of composite gum ramming material is increased, toughness strengthens, and anti-aging and anti-fatigue performance improves; Tackifier and softening agent not only improve adhesivity and the mobility of these three kinds of material asphalts of fluxed bitumen, Biological asphalt and rock asphalt, and ensure that its high and low temperature performance, ensure that the stability of three kinds of material asphalts, softening agent also has the capillary effect slackening material asphalt molecule, thus three kinds of original micella states of material asphalt are destroyed, intermolecular friction reduces, and plays plastification.The energy saving and environment friendly pitch of the present invention can reduce the high temperature viscosity of pitch, improves the mobility of pitch, can reduce the construction temperature of pitch under identical mobility, save energy, and lower construction temperature, make dusty gas quantity discharged in construction process few, good environmental protection.Energy saving and environment friendly pitch of the present invention can reduce the high temperature viscosity of pitch, improve the mobility of pitch, improve the use properties of asphalt simultaneously, compared with common compound mix temperature 160 ~ 180 DEG C, energy saving and environment friendly pitch of the present invention can reduce mix and construction temperature 10 ~ 20 DEG C, and high temperature anti-rut behavior, low temperature anti-cracking performance and water stability are all significantly increased; There is energy-saving and emission-reduction, excellent property, with low cost, easy and simple to handle, reliable in quality and can improve the advantages such as the pavement performance of asphalt.
Further, energy saving and environment friendly pitch of the present invention takes full advantage of the waste resources such as biomass heavy oil, waste lubricating oil, sewer oil, waste rubber powder, waste or used plastics, turns waste into wealth, economizes on resources, reduce costs.
First Biological asphalt and tackifier, softening agent mix are evenly obtained mixture A in preparation technology of the present invention, the rock asphalt of molten state will be added again after fluxed bitumen, mixing diluents, mix evenly obtains mixture C, then mixture A is joined in mixture C and fully stir, its mix is made evenly to obtain mixture D, finally grow completely in thermostat container, obtain wanted energy saving and environment friendly pitch.Stir sufficient in the present invention, ensure that the homogeneity of mixture D, guarantee that energy saving and environment friendly asphalt performance is stablized; Mixture D is grown completely in constant temperature oven, effectively ensures its pavement performance; Technological operation is easy, effectively reduces mix temperature, is beneficial to energy-conserving and environment-protective.
Embodiment
Defer to technique scheme, following embodiment provides a kind of energy saving and environment friendly pitch, it is characterized in that, with weight parts, comprise following integral part: 100 parts of fluxed bitumens, 20 ~ 35 parts of rock asphalts, 10 ~ 20 parts of Biological asphalt, 5 ~ 10 parts of thinners, 2 ~ 5 parts of tackifier, 1 ~ 3 part of softening agent.
Wherein, fluxed bitumen is the one in the 110# matrix pitch of Liaohe River petrochemical industry, 130# matrix pitch and 160# matrix pitch.
Rock asphalt is rock asphalt or lake pitch; Lake pitch used is Trinida (TLA) lake pitch.
Biological asphalt is obtained by biomass heavy oil, biomass heavy oil wide material sources, as the heavy oil fraction of the biomass material such as straw, animal excrement thermo-cracking, and the Biological asphalt adopted is 6.0 ~ 7.0mm 15 DEG C of penetration degrees, softening temperature is 40 ~ 50 DEG C, and 15 DEG C of ductilities are 6 ~ 12cm.
Thinner is the mixture of a kind of or several composition in waste lubricating oil, sewer oil, vegetables oil, turps and furfural extract oil.
Tackifier are the mixture of one or several compositions in epoxy resin, urethane, polyamide resin, petroleum resin and polyethylene terephthalate, and epoxy resin adopts domestic.
Softening agent is the mixture of one or several compositions of waste rubber powder, waste or used plastics, cellulose powder, powder styrene butadiene rubber sbr and powder thermoplastic styrene butadiene rubber SBS.
Energy saving and environment friendly pitch of the present invention takes full advantage of heavy oil fraction, waste lubricating oil, sewer oil, the waste resource such as waste rubber powder and waste or used plastics of the biomass material such as straw, animal excrement thermo-cracking, turn waste into wealth, economize on resources, reduce costs.
The present invention also disclosed a kind of preparation technology of energy saving and environment friendly pitch, comprises the following steps:
1) with weight parts, successively the Biological asphalt of 10 ~ 20 parts, the tackifier of 2 ~ 5 parts and the softening agent of 1 ~ 3 part mixed and stir in order, obtaining mixture A;
2) get 100 parts of fluxed bitumens and be warming up to 140 ~ 160 DEG C, make fluxed bitumen be heated to molten state, then the fluxed bitumen of molten state to be poured into rotating speed be in the whipping device of 300 ~ 500r/min; Within the scope of rotating speed 300 ~ 500r/min, shear and be uniformly mixed material guarantee raw material stirring even, product property just can be made to stablize;
3) thinner of 5 ~ 10 parts is joined in the fluxed bitumen in whipping device, fully stir, obtain mixture B;
4) join in mixture B by 20 ~ 35 parts of rock asphalts, make mixture keep molten state at 145 ~ 150 DEG C, Keep agitation 25 ~ 35min stirs, and obtains mixture C;
5) again mixture A is joined in the mixture C in stirring, stir after 8 ~ 12min mixes and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 140 ~ 160 DEG C, grow 50 ~ 70min, grow completely, the energy saving and environment friendly pitch of the use properties that is guaranteed.
Churning time of the present invention is sufficient, ensure that the homogeneity of compound, guarantees that energy saving and environment friendly asphalt performance is stablized; Compound is grown completely in thermostat container, effectively ensures its pavement performance; Technological operation is easy, effectively reduces mix temperature, is beneficial to energy-conserving and environment-protective; Obtained energy saving and environment friendly pitch can reduce the high temperature viscosity of pitch, improve the mobility of pitch, reduce mix and construction temperature 10 ~ 20 DEG C, save energy, decreasing pollution gaseous emission, good environmental protection, improves the use properties of asphalt simultaneously, and high temperature anti-rut behavior, low temperature anti-cracking performance and water stability are all significantly increased.
With reference to China " highway engineering pitch and Asphalt Mixture Experiment code " (JTJ 052-2000), obtained asphalt: adopt basalt breeze, AC-13 mineral aggregate gradation, 4.3% bitumen aggregate ratio; The energy saving and environment friendly pitch first the present invention obtained mixes and stirs 60s with gathering materials, and adds breeze and mixes and stirs 90s again, make asphalt.And adopt YLDCZ-8S full automatic vehicle track tester to test asphalt high temperature anti-rut behavior, adopt LETRY electro-hydraulic servo fatigue machine test Asphalt Mixture at Low Temperature anti-cracking performance, adopt AMS-C type full-automatic Marshall tester test stability of asphalt mixture energy.
Embodiment 1:
A kind of energy-conserving and environment-protective pitch, with weight parts, comprises following constitutive material: 100 parts of 130# matrix pitches, 20 parts of rock asphalt, 15 parts of Biological asphalt, 5 parts of thinners, and thinner adopts vegetables oil, 3 parts of polyamide resins are as tackifier, and 2 parts of cellulose powders are as softening agent.
The environment-friendly type pitch of the present embodiment is prepared according to following steps:
1) with weight parts, successively the Biological asphalt of 15 parts, the tackifier of 3 parts and the softening agent of 2 parts mixed and stir in order, obtaining mixture A;
2) get 100 parts of 130# matrix pitches and be warming up to 140 DEG C, be heated to molten state, then to pour the 130# matrix pitch of molten state into rotating speed be in the whipping device of 300 ~ 500r/min;
3) thinner of 5 parts is joined in the 130# matrix pitch in whipping device, fully stir, obtain mixture B;
4) 20 parts of rock asphalt are joined in mixture B, mix at 145 DEG C of Keep agitation 25min, obtain mixture C;
5) joined by mixture A in the mixture C in stirring again, stirring 12min mixes and obtains mixture D;
6) take out mixture D, in the constant temperature oven of 150 DEG C, grow 70min, obtain energy saving and environment friendly pitch.
7) asphalt is prepared, and test, the use properties test result of asphalt is as shown in table 2, table 3 and table 4, draw from the detected result table, energy saving and environment friendly performance of asphalt mixture and SBS modified asphalt mixture (SBS modified asphalt mixture is that current highway industry uses the most extensively, the Load materials that performance is best) are quite; Compared with 90# asphalt, high temperature anti-rut behavior improves 16%, and the maximum flexural-tensile strain of low temperature can improve 41%, and vacuum water Marshall stability of satisfying improves 4.8%.
Embodiment 2:
A kind of energy-conserving and environment-protective pitch, with weight parts, comprises following constitutive material: the 110# matrix pitch of 100 parts, Trinida (TLA) lake pitch of 25 parts, the Biological asphalt of 10 parts, the waste lubricating oil of 6 parts is as thinner, 3 parts of tackifier, 3 parts of softening agent.
Wherein tackifier adopt the mixture of 1 part of epoxy resin and 2 parts of urethane, and softening agent adopts the mixture of 0.5 part of waste rubber powder, 1 part of waste or used plastics, 0.5 part of cellulose powder, 0.5 part of powder styrene butadiene rubber sbr and 0.5 part of powder thermoplastic styrene butadiene rubber SBS.
The environment-friendly type pitch of the present embodiment is prepared according to following steps:
1) with weight parts, successively the Biological asphalt of 10 parts, the tackifier of 3 parts and the softening agent of 3 parts mixed and stir in order, obtaining mixture A;
2) get 100 parts of 110# matrix pitches and be warming up to 145 DEG C, be heated to molten state, then to pour the 110# matrix pitch of molten state into rotating speed be in the whipping device of 300 ~ 500r/min;
3) thinner of 6 parts is joined in the 110# matrix pitch in whipping device, fully stir, obtain mixture B;
4) 25 parts of Trinida (TLA) lake pitch are joined in mixture B, at 150 DEG C of Keep agitation 25 ~ 35min until mix, obtain mixture C;
5) again mixture A is joined in the mixture C in stirring, stir 8 ~ 12min until mix and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 142 DEG C, grow 70min, obtain energy saving and environment friendly pitch.
7) prepare asphalt, and test, the use properties test result of asphalt is as shown in table 2, table 3 and table 4, and draw from the detected result table, energy saving and environment friendly performance of asphalt mixture is suitable with SBS modified asphalt mixture; Compared with 90# asphalt, high temperature anti-rut behavior improves 22%, and the maximum flexural-tensile strain of low temperature can improve 37%, and vacuum water Marshall stability of satisfying improves 3.8%.
Embodiment 3:
A kind of energy-conserving and environment-protective pitch, with weight parts, comprises following constitutive material: the 160# matrix pitch of 100 parts, Trinida (TLA) lake pitch of 30 parts, the Biological asphalt of 20 parts, 9 parts of thinners, 5 parts of tackifier, 3 parts of waste or used plastics are as softening agent.
Wherein thinner adopts 8 parts of sewer oils and 1 part of terebinthine mixture, and tackifier adopt the mixture of 2 parts of urethane and 3 parts of petroleum resin.
The environment-friendly type pitch of the present embodiment is prepared according to following steps:
1) with weight parts, successively the Biological asphalt of 20 parts, the tackifier of 5 parts and the softening agent of 3 parts mixed and stir in order, obtaining mixture A;
2) get 100 parts of 160# matrix pitches and be warming up to 150 DEG C, be heated to molten state, then to pour the 160# matrix pitch of molten state into rotating speed be in the whipping device of 300 ~ 500r/min;
3) thinner of 9 parts is joined in the 160# matrix pitch in whipping device, fully stir, obtain mixture B;
4) 30 parts of Trinida (TLA) lake pitch are joined in mixture B, at 148 DEG C of Keep agitation 35min, obtain mixture C;
5) again mixture A is joined in the mixture C in stirring, stir 8 ~ 12min until mix and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 144 DEG C, grow 65min, obtain energy saving and environment friendly pitch.
7) prepare asphalt, and test, the use properties test result of asphalt is as shown in table 2, table 3 and table 4, and draw from the detected result table, energy saving and environment friendly performance of asphalt mixture is suitable with SBS modified asphalt mixture; Compared with 90# asphalt, high temperature anti-rut behavior improves 34%, and the maximum flexural-tensile strain of low temperature can improve 18%, and vacuum water Marshall stability of satisfying improves 2.1%.
Embodiment 4:
A kind of energy-conserving and environment-protective pitch, with weight parts, comprises following constitutive material: the 110# matrix pitch of 100 parts, the rock asphalt of 35 parts, the Biological asphalt of 13 parts, 7 parts of turps as thinner, 5 parts of polyethylene terephthalates as tackifier, 2 parts of softening agent.
Wherein softening agent adopts the mixture of 1 part of powder styrene butadiene rubber sbr and 1 part of powder thermoplastic styrene butadiene rubber SBS.
The environment-friendly type pitch of the present embodiment is prepared according to following steps:
1) with weight parts, successively the Biological asphalt of 13 parts, the tackifier of 5 parts and the softening agent of 2 parts mixed and stir in order, obtaining mixture A;
2) get 100 parts of 110# matrix pitches and be warming up to 155 DEG C, be heated to molten state, then to pour the 110# matrix pitch of molten state into rotating speed be in the whipping device of 300 ~ 500r/min;
3) thinner of 7 parts is joined in the 110# matrix pitch in whipping device, fully stir, obtain mixture B;
4) 35 parts of rock asphalt are joined in mixture B, at 147 DEG C of Keep agitation 32min, obtain mixture C;
5) again mixture A is joined in the mixture C in stirring, stir 10min and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 160 DEG C, grow 50min, obtain energy saving and environment friendly pitch.
7) prepare asphalt, and test, the use properties test result of asphalt is as shown in table 2, table 3 and table 4, and draw from the detected result table, energy saving and environment friendly performance of asphalt mixture is suitable with SBS modified asphalt mixture; Compared with 90# asphalt, high temperature anti-rut behavior improves 37%, and the maximum flexural-tensile strain of low temperature can improve 13%, and vacuum water Marshall stability of satisfying improves 6.5%.
Embodiment 5:
A kind of energy-conserving and environment-protective pitch, with weight parts, comprises following constitutive material: the 130# matrix pitch of 100 parts, Trinida (TLA) lake pitch of 22 parts, the Biological asphalt of 17 parts, 10 portions of furfural extract oils are as thinner, 4 parts of tackifier, 3 parts of softening agent.
Wherein tackifier adopt the mixture of 2 parts of polyamide resins and 2 parts of petroleum resin, and softening agent adopts the mixture of 2 parts of waste or used plastics and 1 part of cellulose powder.
The environment-friendly type pitch of the present embodiment is prepared according to following steps:
1) with weight parts, successively the Biological asphalt of 17 parts, the tackifier of 4 parts and the softening agent of 3 parts mixed and stir in order, obtaining mixture A;
2) get 100 parts of 130# matrix pitches and be warming up to 160 DEG C, be heated to molten state, then to pour the 130# matrix pitch of molten state into rotating speed be in the whipping device of 300 ~ 500r/min;
3) thinner of 10 parts is joined in the 130# matrix pitch in whipping device, fully stir, obtain mixture B;
4) 22 parts of Trinida (TLA) lake pitch are joined in mixture B, at 150 DEG C of Keep agitation 25 ~ 35min until mix, obtain mixture C;
5) again mixture A is joined in the mixture C in stirring, stir 10min and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 148 DEG C, grow 55min, obtain energy saving and environment friendly pitch.
7) prepare asphalt, and test, the use properties test result of asphalt is as shown in table 2, table 3 and table 4, and draw from the detected result table, energy saving and environment friendly performance of asphalt mixture is suitable with SBS modified asphalt mixture; Compared with 90# asphalt, high temperature anti-rut behavior improves 18%, and the maximum flexural-tensile strain of low temperature can improve 35%, and vacuum water Marshall stability of satisfying improves 8.4%.
Embodiment 6:
A kind of energy-conserving and environment-protective pitch, with weight parts, comprises following constitutive material: the 160# matrix pitch of 100 parts, the rock asphalt of 28 parts, the Biological asphalt of 12 parts, 9 parts of thinners, 2 parts of epoxy resin as tackifier, 2 parts of softening agent.
Wherein thinner adopts the mixture of 2 parts of vegetables oil and 7 portions of furfural extract oils, and softening agent adopts the mixture of 1 part of waste rubber powder and 1 part of powder thermoplastic styrene butadiene rubber SBS.
The environment-friendly type pitch of the present embodiment is prepared according to following steps:
1) with weight parts, successively the Biological asphalt of 12 parts, the tackifier of 2 parts and the softening agent of 2 parts mixed and stir in order, obtaining mixture A;
2) get 100 parts of 160# matrix pitches and be warming up to 160 DEG C, be heated to molten state, then to pour the 160# matrix pitch of molten state into rotating speed be in the whipping device of 300 ~ 500r/min;
3) thinner of 9 parts is joined in the 160# matrix pitch in whipping device, fully stir, obtain mixture B;
4) 28 parts of rock asphalt are joined in mixture B, at 145 DEG C of Keep agitation 34min, obtain mixture C;
5) again mixture A is joined in the mixture C in stirring, stir 11min and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 153 DEG C, grow 60min, obtain energy saving and environment friendly pitch.
7) prepare asphalt, and test, the use properties test result of asphalt is as shown in table 2, table 3 and table 4, and draw from the detected result table, energy saving and environment friendly performance of asphalt mixture is suitable with SBS modified asphalt mixture; Compared with 90# asphalt, high temperature anti-rut behavior improves 33%, and the maximum flexural-tensile strain of low temperature can improve 28%, and vacuum water Marshall stability of satisfying improves 7.9%.
Embodiment 7:
A kind of energy-conserving and environment-protective pitch, with weight parts, comprises following constitutive material: the 110# matrix pitch of 100 parts, Trinida (TLA) lake pitch of 24 parts, the Biological asphalt of 14 parts, 5 parts of thinners, 4 parts of tackifier, 3 parts of softening agent.
Wherein thinner adopts the mixture of 3 parts of waste lubricating oils and 2 parts of sewer oils, tackifier adopt the mixture of 2 parts of urethane, 1 part of polyamide resin and 1 part of petroleum resin, and softening agent adopts the mixture of 1 part of waste rubber powder, 1 part of waste or used plastics and 1 part of cellulose powder.
The environment-friendly type pitch of the present embodiment is prepared according to following steps:
1) with weight parts, successively the Biological asphalt of 14 parts, the tackifier of 4 parts and the softening agent of 3 parts mixed and stir in order, obtaining mixture A;
2) get 100 parts of 110# matrix pitches and be warming up to 158 DEG C, be heated to molten state, then to pour the 110# matrix pitch of molten state into rotating speed be in the whipping device of 300 ~ 500r/min;
3) thinner of 5 parts is joined in the 110# matrix pitch in whipping device, fully stir, obtain mixture B;
4) join in mixture B by 24 parts of Trinida (TLA) lake pitch, in the temperature range of 146 DEG C, Keep agitation 30min, obtains mixture C;
5) again mixture A is joined in the mixture C in stirring, stir 9min and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 158 DEG C, grow 62min, obtain energy saving and environment friendly pitch.
7) prepare asphalt, and test, the use properties test result of asphalt is as shown in table 2, table 3 and table 4, and draw from the detected result table, energy saving and environment friendly performance of asphalt mixture is suitable with SBS modified asphalt mixture; Compared with 90# asphalt, high temperature anti-rut behavior improves 35%, and the maximum flexural-tensile strain of low temperature can improve 15%, and vacuum water Marshall stability of satisfying improves 6.2%.
Embodiment 8:
A kind of energy-conserving and environment-protective pitch, with weight parts, comprises following constitutive material: the 110# matrix pitch of 100 parts, Trinida (TLA) lake pitch of 26 parts, the Biological asphalt of 11 parts, 8 parts of thinners, 2 parts of tackifier, 3 parts of softening agent.
Wherein thinner adopts 3 parts of waste lubricating oils, 4 parts of vegetables oil and 1 part of terebinthine mixture, tackifier adopt the mixture of 1 part of epoxy resin and 1 part of polyethylene terephthalate, and softening agent adopts the mixture of 1 part of cellulose powder, 1 part of powder styrene butadiene rubber sbr and 1 part of powder thermoplastic styrene butadiene rubber SBS.
The environment-friendly type pitch of the present embodiment is prepared according to following steps:
1) with weight parts, successively the Biological asphalt of 11 parts, the tackifier of 2 parts and the softening agent of 3 parts mixed and stir in order, obtaining mixture A;
2) get 100 parts of 110# matrix pitches and be warming up to 153 DEG C, be heated to molten state, then to pour the 110# matrix pitch of molten state into rotating speed be in the whipping device of 300 ~ 500r/min;
3) thinner of 8 parts is joined in the 110# matrix pitch in whipping device, fully stir, obtain mixture B;
4) join in mixture B by 26 parts of Trinida (TLA) lake pitch, in the temperature range of 146 DEG C, Keep agitation 28min, obtains mixture C;
5) again mixture A is joined in the mixture C in stirring, stir 8 ~ 12min until mix and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 156 DEG C, grow 53min, obtain energy saving and environment friendly pitch.
7) prepare asphalt, and test, the use properties test result of asphalt is as shown in table 2, table 3 and table 4, and draw from the detected result table, energy saving and environment friendly performance of asphalt mixture is suitable with SBS modified asphalt mixture; Compared with 90# asphalt, high temperature anti-rut behavior improves 37%, and the maximum flexural-tensile strain of low temperature can improve 15%, and vacuum water Marshall stability of satisfying improves 6.2%.
Embodiment 9:
A kind of energy-conserving and environment-protective pitch, with weight parts, comprise following constitutive material: the 130# matrix pitch of 100 parts, the rock asphalt of 29 parts, the Biological asphalt of 16 parts, 6 parts of thinners, 3 parts of tackifier, 3 parts of powder thermoplastic styrene butadiene rubber SBS are as softening agent.
Wherein thinner adopts the mixture of 4 parts of sewer oils and 2 portions of furfural extract oils, and tackifier adopt the mixture of 2 parts of epoxy resin and 1 part of petroleum resin.
The environment-friendly type pitch of the present embodiment is prepared according to following steps:
1) with weight parts, successively the Biological asphalt of 26 parts, the tackifier of 3 parts and the softening agent of 3 parts mixed and stir in order, obtaining mixture A;
2) get 100 parts of 130# matrix pitches and be warming up to 148 DEG C, be heated to molten state, then to pour the 130# matrix pitch of molten state into rotating speed be in the whipping device of 300 ~ 500r/min;
3) thinner of 6 parts is joined in the 130# matrix pitch in whipping device, fully stir, obtain mixture B;
4) 29 parts of rock asphalt are joined in mixture B, at 149 DEG C of Keep agitation 25 ~ 35min until mix, obtain mixture C;
5) again mixture A is joined in the mixture C in stirring, stir 8min and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 146 DEG C, grow 57min, obtain wanted energy saving and environment friendly pitch.
7) prepare asphalt, and test, the use properties test result of asphalt is as shown in table 2, table 3 and table 4, and draw from the detected result table, energy saving and environment friendly performance of asphalt mixture is suitable with SBS modified asphalt mixture; Compared with 90# asphalt, high temperature anti-rut behavior improves 16%, and the maximum flexural-tensile strain of low temperature can improve 32%, and vacuum water Marshall stability of satisfying improves 2.9%.
Embodiment 10:
A kind of energy-conserving and environment-protective pitch, with weight parts, comprises following constitutive material: the 130# matrix pitch of 100 parts, Trinida (TLA) lake pitch of 31 parts, the Biological asphalt of 18 parts, 8 parts of thinners, 5 parts of tackifier, 2 parts of softening agent.
Wherein thinner adopts 4 parts of waste lubricating oils and 4 parts of terebinthine mixtures, and tackifier adopt the mixture of 3 parts of urethane and 2 parts of polyamide resins, and softening agent adopts the mixture of 1 part of waste or used plastics and 1 part of powder styrene butadiene rubber sbr.
The environment-friendly type pitch of the present embodiment is prepared according to following steps:
1) with weight parts, successively the Biological asphalt of 18 parts, the tackifier of 5 parts and the softening agent of 2 parts mixed and stir in order, obtaining mixture A;
2) get 100 parts of 130# matrix pitches and be warming up to 146 DEG C, be heated to molten state, then to pour the 130# matrix pitch of molten state into rotating speed be in the whipping device of 300 ~ 500r/min;
3) thinner of 8 parts is joined in the 130# matrix pitch in whipping device, fully stir, obtain mixture B;
4) 31 parts of Trinida (TLA) lake pitch are joined in mixture B, at 149 DEG C of Keep agitation 25 ~ 35min until mix, obtain mixture C;
5) again mixture A is joined in the mixture C in stirring, stir 8 ~ 12min until mix and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 155 DEG C, grow 64min, obtain energy saving and environment friendly pitch.
7) prepare asphalt, and test, the use properties test result of asphalt is as shown in table 2, table 3 and table 4, and draw from the detected result table, energy saving and environment friendly performance of asphalt mixture is suitable with SBS modified asphalt mixture; Compared with 90# asphalt, high temperature anti-rut behavior improves 33%, and the maximum flexural-tensile strain of low temperature can improve 38%, and vacuum water Marshall stability of satisfying improves 7.1%.
Embodiment 11:
A kind of energy-conserving and environment-protective pitch, with weight parts, comprise following constitutive material: the 160# matrix pitch of 100 parts, the rock asphalt of 33 parts, the Biological asphalt of 19 parts, 9 parts of vegetables oil are as thinner, and 5 parts of tackifier, 3 parts of waste rubber powders are as softening agent.
Wherein tackifier adopt the mixture of each 1 part of epoxy resin, urethane, polyamide resin, petroleum resin and polyethylene terephthalate.
The environment-friendly type pitch of the present embodiment is prepared according to following steps:
1) with weight parts, successively the Biological asphalt of 19 parts, the tackifier of 5 parts and the softening agent of 3 parts mixed and stir in order, obtaining mixture A;
2) get 100 parts of 160# matrix pitches and be warming up to 144 DEG C, be heated to molten state, then to pour the 160# matrix pitch of molten state into rotating speed be in the whipping device of 300 ~ 500r/min;
3) thinner of 9 parts is joined in the 160# matrix pitch in whipping device, fully stir, obtain mixture B;
4) 33 parts of rock asphalt are joined in mixture B, at 148 DEG C of Keep agitation 25 ~ 35min until mix, obtain mixture C;
5) again mixture A is joined in the mixture C in stirring, stir 9min and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 151 DEG C, grow 66min, obtain wanted energy saving and environment friendly pitch.
7) prepare asphalt, and test, the use properties test result of asphalt is as shown in table 2, table 3 and table 4, and draw from the detected result table, energy saving and environment friendly performance of asphalt mixture is suitable with SBS modified asphalt mixture; Compared with 90# asphalt, high temperature anti-rut behavior improves 34%, and the maximum flexural-tensile strain of low temperature can improve 11%, and vacuum water Marshall stability of satisfying improves 4.8%.
Embodiment 12:
A kind of energy-conserving and environment-protective pitch, with weight parts, comprise following constitutive material: the 160# matrix pitch of 100 parts, the rock asphalt of 32 parts, the Biological asphalt of 10 parts, 7 parts of thinners, 4 parts of tackifier, 1 part of waste rubber powder is as softening agent.
Wherein thinner adopts the mixture of 4 parts of waste lubricating oils, 1 portion of sewer oil, 1 portion of plant and 1 portion of furfural extract oil; Tackifier adopt the mixture of 4 parts of epoxy resin and 1 part of polyamide resin.
The environment-friendly type pitch of the present embodiment is prepared according to following steps:
1) with weight parts, successively the Biological asphalt of 10 parts, the tackifier of 4 parts and the softening agent of 1 part mixed and stir in order, obtaining mixture A;
2) get 100 parts of 160# matrix pitches and be warming up to 142 DEG C, be heated to molten state, then to pour the 160# matrix pitch of molten state into rotating speed be in the whipping device of 300 ~ 500r/min;
3) thinner of 7 parts is joined in the 160# matrix pitch in whipping device, fully stir, obtain mixture B;
4) 32 parts of rock asphalt are joined in mixture B, at 147 DEG C of Keep agitation 27min, obtain mixture C;
5) again mixture A is joined in the mixture C in stirring, stir 10min and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 140 DEG C, grow 68min, obtain energy saving and environment friendly pitch.
7) prepare asphalt, and test, the use properties test result of asphalt is as shown in table 2, table 3 and table 4, and draw from the detected result table, energy saving and environment friendly performance of asphalt mixture is suitable with SBS modified asphalt mixture; Compared with 90# asphalt, high temperature anti-rut behavior improves 37%, and the maximum flexural-tensile strain of low temperature can improve 13%, and vacuum water Marshall stability of satisfying improves 3.7%.
Energy saving and environment friendly penetration of bitumens, softening temperature, ductility and viscosity index that various embodiments of the present invention obtain refer to table 1.
Obtain asphalt according to energy saving and environment friendly pitch prepared by various embodiments of the present invention, the use properties test result of the asphalt that each embodiment is corresponding is as shown in table 2, table 3 and table 4; Wherein the preparation method of each embodiment Asphalt Mixture and the testing method of properties all identical.
Table 1 index test result
Table 2 asphalt high temperature anti-rut behavior test result
| 45min distortion/mm | 60min distortion/mm | Dynamic stability/(secondary .mm-1) | |
| Embodiment 1 | 1.750 | 1.900 | 3343.9 |
| Embodiment 2 | 1.339 | 1.450 | 3526.3 |
| Embodiment 3 | 1.650 | 1.750 | 3875 |
| Embodiment 4 | 1.574 | 1.652 | 3952.3 |
| Embodiment 5 | 1.550 | 1.800 | 3400.9 |
| Embodiment 6 | 1.350 | 1.480 | 3826.4 |
| Embodiment 7 | 1.656 | 1.790 | 3885 |
| Embodiment 8 | 1.594 | 1.552 | 3950.3 |
| Embodiment 9 | 1.800 | 1.575 | 3343.9 |
| Embodiment 10 | 1.567 | 1.450 | 3826.8 |
| Embodiment 11 | 1.657 | 1.650 | 3852.1 |
| Embodiment 12 | 1.584 | 1.365 | 3952.4 |
| 90# asphalt | 3.356 | 3.845 | 2883.3 |
| SBS asphalt | 1.6 | 1.317 | 4384.6 |
Table 3 Asphalt Mixture at Low Temperature anti-cracking performance test result
| Maximum flexural-tensile strain/μ ε | Bending tensile strength/MPa | Stiffness modulus/MPa | |
| Embodiment 1 | 2445.55 | 9.77 | 3558.99 |
| Embodiment 2 | 2381.29 | 9.23 | 3875.86 |
| Embodiment 3 | 2044.39 | 8.62 | 4638.61 |
| Embodiment 4 | 1965.22 | 8.42 | 4944.42 |
| Embodiment 5 | 2345.32 | 9.52 | 3623.24 |
| Embodiment 6 | 2221.32 | 9.41 | 3677.86 |
| Embodiment 7 | 2000.39 | 8.99 | 4352.61 |
| Embodiment 8 | 1995.22 | 8.95 | 4844.55 |
| Embodiment 9 | 2300.58 | 9.25 | 3421.56 |
| Embodiment 10 | 2391.32 | 9.65 | 3656.38 |
| Embodiment 11 | 1922.41 | 8.82 | 4253.32 |
| Embodiment 12 | 1956.75 | 9.02 | 4744.56 |
| 90# asphalt | 1738.96 | 9.24 | 3639.41 |
| SBS asphalt | 3283.31 | 11.63 | 3543.29 |
Table 4 stability of asphalt mixture energy test result
Claims (10)
1. an energy saving and environment friendly pitch, is characterized in that, with weight parts, comprises following integral part:
2. energy saving and environment friendly pitch as claimed in claim 1, is characterized in that: described fluxed bitumen is the one in Liaohe River petrochemical industry 110# matrix pitch, 130# matrix pitch and 160# matrix pitch.
3. energy saving and environment friendly pitch as claimed in claim 1, is characterized in that: described rock asphalt is rock asphalt or lake pitch; Wherein lake pitch is Trinidad Lake Asphalt.
4. energy saving and environment friendly pitch as claimed in claim 1, is characterized in that: described Biological asphalt is obtained by biomass heavy oil, and 15 DEG C of penetration degrees are 6.0 ~ 7.0mm, and softening temperature is 40 ~ 50 DEG C, and 15 DEG C of ductilities are 6 ~ 12cm.
5. energy saving and environment friendly pitch as claimed in claim 1, is characterized in that: described thinner is one or more in waste lubricating oil, sewer oil, vegetables oil, turps and furfural extract oil.
6. energy saving and environment friendly pitch as claimed in claim 1, is characterized in that: described tackifier are one or several in epoxy resin, urethane, polyamide resin, petroleum resin and polyethylene terephthalate.
7. energy saving and environment friendly pitch as claimed in claim 1, is characterized in that: described softening agent is one or several in waste rubber powder, waste or used plastics, cellulose powder, powder styrene butadiene rubber sbr and powder thermoplastic styrene butadiene rubber SBS.
8. an energy saving and environment friendly pitch preparation technology, is characterized in that, comprise the following steps:
1) with weight parts, successively the Biological asphalt of 10 ~ 20 parts, the tackifier of 2 ~ 5 parts and the softening agent of 1 ~ 3 part mixed and stir in order, obtaining mixture A;
2) get 100 parts of fluxed bitumens and be heated to molten state, then the fluxed bitumen of molten state is poured in whipping device;
3) thinner of 5 ~ 10 parts is joined step 2) fluxed bitumen in, stir, obtain mixture B;
4) 20 ~ 35 parts of rock asphalts are joined in mixture B, stir in the molten state, obtain mixture C;
5) again mixture A is joined in the mixture C in stirring, stir and obtain mixture D;
6) take out mixture D, in the constant temperature oven of 140 ~ 160 DEG C, grow 50 ~ 70min, obtain energy saving and environment friendly pitch.
9. the energy saving and environment friendly pitch preparation technology of one according to claim 8, is characterized in that, described step 2) in fluxed bitumen 140 ~ 160 DEG C of meltings.
10. the energy saving and environment friendly pitch preparation technology of one according to claim 8, is characterized in that, the rotating speed of described whipping device is 300 ~ 500r/min, step 4) in 145 ~ 150 DEG C stir 25 ~ 35min, step 5) in stir 8 ~ 12min.
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