CN102827486A - Modified emulsified asphalt and preparation method thereof as well as AC heavy traffic type mixed material and preparation method thereof - Google Patents
Modified emulsified asphalt and preparation method thereof as well as AC heavy traffic type mixed material and preparation method thereof Download PDFInfo
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- CN102827486A CN102827486A CN2012103366720A CN201210336672A CN102827486A CN 102827486 A CN102827486 A CN 102827486A CN 2012103366720 A CN2012103366720 A CN 2012103366720A CN 201210336672 A CN201210336672 A CN 201210336672A CN 102827486 A CN102827486 A CN 102827486A
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Abstract
The invention is applicable to the field of asphalt preparation technology, and provides modified emulsified asphalt and preparation method of the modified emulsified asphalt as well as AC heavy traffic type mixed material and a preparation method of the material; the modified emulsified asphalt concretely comprises the components by weight percent: 50-76% of heavy traffic paving asphalt, 0.4-5% of cationic surfactant, 0.5-3% of non-ionic surface active agent, 0.2-0.9% of stabilizer and 30-50% of water. In the embodiment of the invention, the problems of environmental pollution and reduced material property caused by high temperature ageing of the heavy traffic paving asphalt and the modified asphalt can be solved.
Description
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Technical field
The invention belongs to the bitumen production technical field, relate in particular to a kind of modified emulsifying asphalt and preparation method, heavily friendship type of AC compound and preparation method thereof.
Background technology
Highway pavement adopts pitch as the road surface gelling material in a large number.And pitch is at first wanted heating and melting as gelling material, and simultaneously, gathering materials also to be heated to 200 ℃, carries out mix then, under keeping warm mode, through transporting, paving, roll, forms bituminous pavement.All processes need to consume a large amount of fuel, produce greenhouse gases.Simultaneously, engineering construction receives weather effect serious, and operation cooperates strict, and material use efficiency is lower, and waste is serious.Serious environment pollution and workmen's is healthy.
Summary of the invention
The object of the present invention is to provide a kind of modified emulsifying asphalt, be intended to solve asphalt that prior art provides in the preparation process, produce greenhouse gases, the problem of contaminate environment and workmen's health.
The present invention realizes like this; A kind of modified emulsifying asphalt, the component of said modified emulsifying asphalt specifically comprises: heavy traffic paving asphalt: 50%-76%, cats product: 0.4%-5%; Nonionogenic tenside: 0.5%-3%; Stablizer: 0.2-0.9%, water: 30%-50%, said components based on weight percentage is calculated.
As a kind of improved plan, said cats product is one or more in the hyperbranched Gemini cats product, perhaps in 12-octadecyl dimethyl benzyl brometo de amonio one or more.
As a kind of improved plan, said nonionogenic tenside is one or more in the polyoxyethylene nonylphenol, or the TEG monostearate.
As a kind of improved plan, said stablizer is a carboxy-propyl cellulose.
As a kind of improved plan, said properties-correcting agent is: 4303 or 411 or 1502, the thing that dissolves each other of methylene dichloride and toluene.
Another purpose of the embodiment of the invention is to provide a kind of preparation method of modified emulsifying asphalt, and said preparation method specifically comprises the steps:
With after stablizer mixes, stirring and dissolving then with behind cats product, the non-ionic surface active proportional mixing, is fully ground through mulser and to be formed the soap lye body with water;
Behind properties-correcting agent 4303,611, methylene dichloride, toluene proportional mixing, stirring and dissolving becomes thick liquid properties-correcting agent, and is subsequent use;
Respectively heavy traffic paving asphalt is heated to 100 ℃ ~ 170 ℃, the soap lye body is heated to 45 ℃ ~ 80 ℃, and thick liquid properties-correcting agent is heated to 45 ℃ ~ 60 ℃;
Soap lye body and heavy traffic paving asphalt are ground the uniform and stable outstanding absurd creature of formation through colloidal mill;
The properties-correcting agent of heating is joined in the outstanding absurd creature, and overground grinding slowly being cooled to normal temperature storage under the whipped state, promptly gets modified emulsifying asphalt.
Another purpose of the embodiment of the invention is to provide heavily friendship type of a kind of modified emulsifying asphalt AC compound; The component of heavily friendship type of said modified emulsifying asphalt AC compound specifically comprises: gather materials: 90%-93%; Emulsified bitumen: 5%-9%; Cement: 1%-4%, properties-correcting agent: 15%-25%, said components based on weight percentage is calculated.
Another purpose of the embodiment of the invention is to provide the preparation method of heavily friendship type of a kind of modified emulsifying asphalt AC compound, and said method comprises the steps:
According to preset part by weight, configuration modified version emulsified bitumen;
Satisfactory gathering materials is heated to 150 ~ 180 ℃, joins and mix in the cylinder;
The modified version emulsified bitumen for preparing joined to mix stir 30 ~ 90 seconds in the cylinder;
Cement is joined said mixing stir 30 ~ 90 seconds in the cylinder, said mix temperature is controlled at 110-140 ℃, and discharging promptly gets heavily friendship type of AC compound.
The embodiment of the invention solves because the problem that environmental pollution that heavy traffic paving asphalt and modifying asphalt high temperature ageing cause and material property reduce.
Description of drawings
Fig. 1 is the realization artwork of the Preparation of Emulsification Asphalt method that provides of the embodiment of the invention;
Fig. 2 is the preparing method's of heavily friendship type of the AC compound that provides of the embodiment of the invention a realization artwork.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention, the component of modified emulsifying asphalt specifically comprises: heavy traffic paving asphalt: 50%-76%, cats product: 0.4%-5%; Nonionogenic tenside: 0.5%-3%; Stablizer: 0.2-0.9%, water: 30%-50%, said components based on weight percentage is calculated.
Wherein, the concrete reference substance of above-mentioned each component is described below:
Cats product is one or more in the hyperbranched Gemini cats product, perhaps in 12-octadecyl dimethyl benzyl brometo de amonio one or more;
Nonionogenic tenside is one or more in the polyoxyethylene nonylphenol, or the TEG monostearate;
Stablizer is a carboxy-propyl cellulose.
And above-mentioned heavy traffic paving asphalt meets the petroleum pitch of JTG F40-2004 standard-required.
In embodiments of the present invention, the physical index by the emulsified bitumen of said components configuration is: 5 ℃ of ductilities: greater than 50 centimetres; Softening temperature: greater than 80 ℃, penetration degree less than heavy traffic paving asphalt, recovery of elasticity greater than 90%; Adhesivity: 5 grades; Sticking toughness: greater than 19N.m.
Fig. 1 shows the realization technology of the Preparation of Emulsification Asphalt method that the embodiment of the invention provides, and its concrete step is described below:
Step S101: with after stablizer mixes, stirring and dissolving then with behind cats product, the non-ionic surface active proportional mixing, is fully ground through mulser and to be formed the soap lye body with water.
Step S102: behind properties-correcting agent 4303,611, methylene dichloride, toluene proportional mixing, stirring and dissolving becomes thick liquid properties-correcting agent, and is subsequent use.
Step S103: respectively heavy traffic paving asphalt is heated to 100 ℃ ~ 170 ℃, the soap lye body is heated to 45 ℃ ~ 80 ℃, and thick liquid properties-correcting agent is heated to 45 ℃ ~ 60 ℃.
Step S104: soap lye body and heavy traffic paving asphalt are ground the uniform and stable outstanding absurd creature of formation through colloidal mill.
Step S105: the properties-correcting agent of heating is joined in the outstanding absurd creature, and overground grinding slowly being cooled to normal temperature storage under the whipped state, promptly gets modified emulsifying asphalt.
Surpass the high-viscosity high-elasticity modifying asphalt significantly through the sticking toughness of the modified emulsifying asphalt of this preparation method preparation, improved pavement life greatly.
In embodiments of the present invention, the component of heavily friendship type of modified emulsifying asphalt AC compound specifically comprises: gather materials: 90%-93%, and emulsified bitumen: 5%-9%, cement: 1%-4%, properties-correcting agent: 15%-25%, said components based on weight percentage is calculated.
Wherein, above-mentioned properties-correcting agent is: 4303 or 411 or 1502, the thing that dissolves each other of methylene dichloride and toluene.
Emulsified bitumen among this embodiment is the emulsified bitumen of the foregoing description preparation.
Fig. 2 shows the preparing method's of heavily friendship type of the modified emulsifying asphalt AC compound that the embodiment of the invention provides realization artwork, and its concrete step is described below:
Step S201: according to preset part by weight, configuration modified version emulsified bitumen;
Step S202: satisfactory gathering materials is heated to 150 ~ 180 ℃, joins and mix in the cylinder;
Step S203 joins the modified version emulsified bitumen for preparing to mix and stirs 30 ~ 90 seconds in the cylinder;
Step S204 joins mixing of above-mentioned compound with cement and stirs 30 ~ 90 seconds in the cylinder, and said mix temperature is controlled at 110-140 ℃, and discharging promptly gets heavily friendship type of AC compound, and wherein, this mix temperature is controlled to be key point.
Heavily friendship type of AC half temperature among the present invention is mixed Emulsified Asphalt Mixture, and its mix temperature has effectively been avoided the thermal ageing problem of heavy traffic paving asphalt AC compound at 110~140 ℃, has prolonged road work-ing life; Avoided bitumen flue gas.Owing to adopt emulsified bitumen, avoided the pitch heating problems, therefore, energy-saving and emission-reduction, alleviated environmental pollution greatly.Make this material not only can be used for pavement of road construction and maintenance, and solved the tunnel, the pavement construction problem of getting down the highway.Because material temperature is lower, therefore prolonged road construction season, reduced social cost and enterprise operation cost.
Owing to introduced cement material, make asphalt possess some speciality of cement concrete, solved that the bituminous pavement temperature sensitivity is high, the problem of anti-rut poor performance.
Adopting heavily friendship type half temperature to mix emulsified bitumen AC compound can mix to process and meet the bituminous concrete that JTG F40-2004 requires fully.Its road surface thickness that paves can surpass more than the 2cm.Satisfy the requirement of the highway pavement of each grade.
As a concrete example of the present invention, followingly provide three examples and describe:
Example one:
Heavily friendship type of AC asphalt component: by weight percentage, emulsified bitumen: 9%, gather materials: 90%, cement: 1%.
The preparation process:
1) with water 1800g and TEG monostearate 38g, Gemini 16g behind the proportional mixing, forms the soap lye body through the mulser thorough mixing;
2) water 30g is mixed stirring with Z 150PH 7g, fully dissolving, and with 1) mix;
3) heavy traffic paving asphalt 3600g is heated to 130 ℃, step 2) liquid heat to 50 that forms ℃; With heavy traffic paving asphalt, step 2) liquid that forms grinds through colloidal mill and forms uniform and stable outstanding absurd creature, is cooled to normal temperature storage;
The 5000g that gathers materials that 4) will meet JTG F40-2004 standard-required is heated to 160-170 ℃, joins and mixes in the cylinder, then the modified version emulsified bitumen 430g for preparing is joined to mix in the cylinder and stirs 170 seconds;
5) cement 75g is joined mixing of above-mentioned compound and stir 30-90 second in the cylinder, Marshall Test is done in discharging.
Example two:
The preparation process:
1) with water 1500g and octadecyl dimethyl benzyl brometo de amonio 33g, TEG monostearate 18g behind the proportional mixing, forms the soap lye body through the mulser thorough mixing;
2) water 30 is mixed stirring with strontium chloride 2g, fully dissolving, and with 1) mix;
3) heavy traffic paving asphalt 3200g is heated to 130 ℃, step 2) liquid heat to 50 that forms ℃; With heavy traffic paving asphalt, step 2) liquid that forms grinds through colloidal mill and forms uniform and stable outstanding absurd creature, is cooled to normal temperature storage;
The 5000g that gathers materials that 4) will meet JTG F40-2004 standard-required is heated to 150-160 ℃, joins and mixes in the cylinder, then the emulsified bitumen 410g for preparing is joined to mix in the cylinder and stirs 190 seconds;
5) cement 100g is joined mixing of above-mentioned compound and stir 30-90 second in the cylinder, Marshall Test is done in discharging.
Example three:
The preparation process:
The preparation method: 1) with water 1300g and octadecyl dimethyl benzyl brometo de amonio 45g, polyoxyethylene nonylphenol 12g behind the proportional mixing, forms the soap lye body through the mulser thorough mixing;
2) water 30g is mixed stirring with calcium chloride 20g, fully dissolving, and with 1) mix;
3) heavy traffic paving asphalt 3200g is heated to 130 ℃, step 2) liquid heat to 50 that forms ℃; With heavy traffic paving asphalt, step 2) liquid that forms grinds through colloidal mill and forms uniform and stable outstanding absurd creature, is cooled to normal temperature storage;
The 5000g that gathers materials that 4) will meet JTG F40-2004 standard-required is heated to 150-160 ℃, joins and mixes in the cylinder, then the modified version emulsified bitumen 390g for preparing is joined to mix in the cylinder and stirs 170 seconds;
5) cement 125g is joined mixing of above-mentioned compound and stir 30-90 second in the cylinder, Marshall Test is done in discharging.
Wherein in said process, the mix temperature is at 110~140 ℃.
The test detected result is following:
Test subject | Marshall stability | The water stability | Dynamic stability |
Embodiment 1 | 7.4KN | 88% | 4500 times/mm |
Embodiment 2 | 8.3KN | 91% | 5600 times/mm |
Embodiment 3 | 9.9KN | 90% | 6200 times/mm |
Heavily friendship type of AC half temperature among the present invention is mixed Emulsified Asphalt Mixture, and its mix temperature has effectively been avoided the thermal ageing problem of heavy traffic paving asphalt AC compound at 110~140 ℃, has prolonged road work-ing life; Avoided bitumen flue gas.Owing to adopt emulsified bitumen, avoided the pitch heating problems, therefore, energy-saving and emission-reduction, alleviated environmental pollution greatly.Make this material not only can be used for pavement of road construction and maintenance, and solved the tunnel, the pavement construction problem of getting down the highway.Because material temperature is lower, therefore prolonged road construction season, reduced social cost and enterprise operation cost.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. modified emulsifying asphalt; It is characterized in that the component of said modified emulsifying asphalt specifically comprises: heavy traffic paving asphalt: 50%-76%, cats product: 0.4%-5%; Nonionogenic tenside: 0.5%-3%; Stablizer: 0.2-0.9%, water: 30%-50%, said components based on weight percentage is calculated.
2. modified emulsifying asphalt according to claim 1 is characterized in that, said cats product is one or more in the hyperbranched Gemini cats product, perhaps in 12-octadecyl dimethyl benzyl brometo de amonio one or more.
3. modified emulsifying asphalt according to claim 1 is characterized in that, said nonionogenic tenside is one or more in the polyoxyethylene nonylphenol, or the TEG monostearate.
4. modified emulsifying asphalt according to claim 1 is characterized in that, said stablizer is a carboxy-propyl cellulose.
5. modified emulsifying asphalt according to claim 1 is characterized in that, said properties-correcting agent is: 4303 or 411 or 1502, the thing that dissolves each other of methylene dichloride and toluene.
6. the preparation method of modified emulsifying asphalt is characterized in that, said preparation method specifically comprises the steps:
With after stablizer mixes, stirring and dissolving then with behind cats product, the non-ionic surface active proportional mixing, is fully ground through mulser and to be formed the soap lye body with water;
Behind properties-correcting agent 4303,611, methylene dichloride, toluene proportional mixing, stirring and dissolving becomes thick liquid properties-correcting agent, and is subsequent use;
Respectively heavy traffic paving asphalt is heated to 100 ℃ ~ 170 ℃, the soap lye body is heated to 45 ℃ ~ 80 ℃, and thick liquid properties-correcting agent is heated to 45 ℃ ~ 60 ℃;
Soap lye body and heavy traffic paving asphalt are ground the uniform and stable outstanding absurd creature of formation through colloidal mill;
The properties-correcting agent of heating is joined in the outstanding absurd creature, and overground grinding slowly being cooled to normal temperature storage under the whipped state, promptly gets modified emulsifying asphalt.
7. heavily friendship type of modified emulsifying asphalt AC compound is characterized in that, the component of heavily friendship type of said modified emulsifying asphalt AC compound specifically comprises: gather materials: 90%-93%; Emulsified bitumen: 5%-9%; Cement: 1%-4%, properties-correcting agent: 15%-25%, said components based on weight percentage is calculated.
8. the preparation method of heavily friendship type of modified emulsifying asphalt AC compound is characterized in that, said method comprises the steps:
According to preset part by weight, configuration modified version emulsified bitumen;
Satisfactory gathering materials is heated to 150 ~ 180 ℃, joins and mix in the cylinder;
The modified version emulsified bitumen for preparing joined to mix stir 30 ~ 90 seconds in the cylinder, said mix temperature is controlled at 110-140 ℃;
Cement is joined said mixing stir 30 ~ 90 seconds in the cylinder, said mix temperature is controlled at 110-140 ℃, and discharging promptly gets heavily friendship type of AC compound.
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Cited By (2)
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CN105219270A (en) * | 2015-10-25 | 2016-01-06 | 安徽路达泰克沥青新材料有限公司 | A kind of SBS latex modified emulsified bitumen and preparation method thereof and application |
CN109400912A (en) * | 2018-06-11 | 2019-03-01 | 江苏金阳新材料科技有限公司 | A kind of nonionic OP-10 Compound asphalt emulsifier and application |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105219270A (en) * | 2015-10-25 | 2016-01-06 | 安徽路达泰克沥青新材料有限公司 | A kind of SBS latex modified emulsified bitumen and preparation method thereof and application |
CN105219270B (en) * | 2015-10-25 | 2017-09-12 | 安徽路达泰克沥青新材料有限公司 | A kind of SBS latex modifieds emulsified asphalt and preparation method and application |
CN109400912A (en) * | 2018-06-11 | 2019-03-01 | 江苏金阳新材料科技有限公司 | A kind of nonionic OP-10 Compound asphalt emulsifier and application |
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