CN101148544B - Cold crack pouring asphalt emulsion and preparation method thereof - Google Patents
Cold crack pouring asphalt emulsion and preparation method thereof Download PDFInfo
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- CN101148544B CN101148544B CN2007101582067A CN200710158206A CN101148544B CN 101148544 B CN101148544 B CN 101148544B CN 2007101582067 A CN2007101582067 A CN 2007101582067A CN 200710158206 A CN200710158206 A CN 200710158206A CN 101148544 B CN101148544 B CN 101148544B
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Abstract
The present invention discloses one kind of cold crack pouring asphalt emulsion and its preparation process. The cold crack pouring asphalt emulsion is prepared with asphalt 50-60 weight portions, solvent oil 3-5 weight portions, vegetable oil 3-5 weight portions, anionic or cationic asphalt emulsifier 1-2 weight portions, ethylene glycol or glycerin 8-10 weight portions, and water 20-30 weight portions. The preparation process includes the following steps: 1. heating asphalt to 110-120 deg.c; 2. mixing vegetable oil and solvent oil, and adding the mixture oil into the hot asphalt through stirring; 3. adding ethylene glycol or glycerin into water through stirring and heating to 55-60 deg.c; 4. adding the asphalt emulsifier into water at 55-60 deg.c through stirring to form emulsion; and 5.mixing the emulsion and asphalt mixture. The asphalt emulsion is poured to crack in highway, and has lowered highway maintenance cost.
Description
Technical field the present invention relates to a kind of highway maintenance material, is modifying asphalt that uses under a kind of cold condition and preparation method thereof specifically.
The background technology highway crack is very serious in the northern area of China, handles relatively difficulty of crack, and highway crack is handled the following ways that adopt more at present:
1, the heated bitumen cementation of fissures
In early spring, temperature generally is placed on pitch in the pitch heating container at subzero about 15 ℃, is warmed to 180 ℃, reinstalls pitch cementation of fissures car and transports the working-yard to, and in transit, pitch will be proceeded to heat, and keeps asphalt temperature not descend.During the cementation of fissures, pitch cools off rapidly after touching pavement crack, and pitch can't pour in (＜0.5cm is following) crack, just covers thick, wide one deck in fracture faces, and material, artificial waste are seriously.Highway crack all splits at same place every year, and the cementation of fissures also is to carry out at same place, and like this, cementation of fissures place will form Gao Gang in two to three years, can bring safety problem to driving when serious.
2, the base joint grouting glue cementation of fissures
One-level road and motorway adopt the base joint grouting glue cementation of fissures of import at present, but must use supporting expansion seam machine, and highway crack is widened, and implement the cementation of fissures again after base joint grouting glue being heated to the temperature of regulation with pouring machine again, and cementation of fissures sense organ is relatively good.Use this material cementation of fissures to have following problem: A, gap-grouting material expensive, more than 10,000 yuan per ton, cementation of fissures equipment price height.B, construction technology complexity, construction speed is slow, the cost height.C, the most serious problem are that the people causes pavement crack edge building stones loosening for widening highway crack, easily seeps water behind the cementation of fissures, has also increased the usage quantity of base joint grouting glue simultaneously.
In addition, the highway in forest zone, pastoral area, can not be with fire to set out on a journey in the fire prevention phase heats to pitch, so can not be engaged in cementation of fissures operation, highway crack pouring operation majority is the early spring before thawing, and has spent the fire prevention phase also just to have spent the cementation of fissures phase, the untimely processing of highway crack, snow-broth, the rainwater that melts is penetrated into roadbed and can causes the road surface loosening from the crack, the hole groove occurs.Forest zone, pastoral area highway crack all can not in time be handled.
Summary of the invention the object of the present invention is to provide a kind of cold crack pouring asphalt emulsion and preparation method thereof, under the low condition of temperature in early spring, need not heat and get final product the cementation of fissures, save the maintain road cost, improve cementation of fissures quality, reduce labour intensity, thoroughly solve the highway maintenance problem in forest zone, pastoral area.
According to the problem that the heated bitumen cementation of fissures exists, implement the cold-penetration seam, at first, solve the problem of bitumen emulsion in the flowability of early spring during 0 ℃ to subzero 15 ℃ of temperature; Secondly, solve bitumen emulsion and pour into rear surface, crack freezing problem rapidly; Once more, solve pitch at low temperatures with pavement crack edge adhesion problem; The 4th, solve bitumen emulsion in the non-icing problem of sub-zero zero.The 5th, problem withstand voltage and lasting for form behind the solution cementation of fissures.
Technical scheme of the present invention is as follows:
Bitumen emulsion of the present invention is made by the raw material of following parts by weight:
Pitch 50-60 part, solvent oil 3-5 part, vegetables oil 3-5 part, negatively charged ion or cation asphalt emulgent 1-2 part, ethylene glycol or glycerol 8-10 part, water 20-30 part.
The further scheme of above-mentioned prescription is:
Pitch 55-60 part, solvent oil 3.5-5 part, vegetables oil 3.5-5 part, negatively charged ion or cation asphalt emulgent 1-2 part, ethylene glycol or glycerol 8-10 part, water 25-30 part.
Above-mentioned solvent oil is to use aviation kerosene or-No. 35 diesel oil.
Above-mentioned vegetables oil can be used soya-bean oil.
The making method of bitumen emulsion of the present invention is made up of following steps:
A, above-mentioned pitch is placed on container internal heating to 110 ℃-120 ℃;
B, above-mentioned vegetables oil and oil miscible solvent are lumped together, after stirring, gradation is poured in 110 ℃-120 ℃ the heated bitumen and is stirred rapidly;
C, with above-mentioned ethylene glycol or glycerol in entry, post-heating to 55 ℃-60 ℃ stirs;
D, with above-mentioned asphalt emulsifier to going in 55 ℃-60 ℃ the water, the back that stirs emulsion;
E, with the above-mentioned pitch of mixing and the emulsion mixed respectively by toothed gear pump, under meter, enter equal fat machine and process, the product after the processing promptly is a cold crack pouring asphalt emulsion.
The effect of component of the present invention:
1., pitch: the main raw of handling highway crack.
2., solvent oil: use aviation kerosene or-No. 35 diesel oil.Its effect is fluxed asphalt and soaks into the pavement crack edge, make bitumen emulsion can be well and edge of crack combine.
3., vegetables oil: prevent that pitch from condensing rapidly and when using the bitumen emulsion cementation of fissures, lubricated to bitumenpump.
4., asphalt emulsifier: the main raw that is emulsified bitumen.
5., ethylene glycol or glycerol: mainly be the moisture content that prevents in the bitumen emulsion, freeze in sub-zero zero.
6., water: be used for the fluxed asphalt emulsifying agent.
The invention has the advantages that:
1, the cementation of fissures is effective, and through pushing away flatly, cleaning can be equal in the road surface, can with the crack with wide.In short period of time, excessive bitumen emulsion outside the crack not in bonding with face, is convenient to push away flat, cleaning.If sprinkle river sand in fracture faces, will condense rapidly in the bitumen emulsion surface, can not taken away by wheel.
2, consumption is few, and cost is low.Use the bitumen emulsion cementation of fissures, economize in raw materials more than 60% than the traditional hot pitch cementation of fissures, reduction of expenditure is more than 50%, so cost descends significantly.
3, infiltration and cementability are good, and this bitumen emulsion energy and tape edge are fine bonding, and it is better to blow seam back cementability.
4, can carry out cementation of fissures operation at subzero 15 ℃, less demanding to envrionment temperature.
5, owing to adopt small-sized pouring machine operation, can increase work efficiency more than one times.
6, this material belongs to ep-type material, to air and environmental nonpollution problem.
7, adopt barreled to preserve, convenient transportation, the quality guaranteed period is more than six months.If skinning as long as bitumen emulsion is heated to 30 ℃ to stir and can use, does not influence result of use.Cold crack pouring asphalt emulsion can be done sticking layer oil and use if any residue when repairing the hole groove.
8, the preparation method is simple, and is easy to operate.
Table 1 cold crack pouring asphalt emulsion and heated bitumen cementation of fissures contrast table
Use bitumen emulsion cold-penetration seam in the table 1, an available lorry loading river sand is delivered to operating location with operating personnel and equipment, follows cementation of fissures personnel operation.By actually operating, personnel can save 50% at national highway 111 lines.The bitumen emulsion cementation of fissures is at national highway 111 lines, 3.7 kilograms of per hundred meters consumptions, 6.00 yuan of per kilograms, 22.20 yuan of hundred meters materials cost; The heated bitumen cementation of fissures is at national highway 111 lines, 21.16 kilograms of per hundred meters consumptions, 3.80 yuan of per kilograms, 80.40 yuan of hundred meters materials cost.
Description of drawings Fig. 1 is that bitumen emulsion of the present invention is handled the 180th day design sketch in 111 circuit surface cracks;
Fig. 2 also is that bitumen emulsion of the present invention is handled the 180th day design sketch in 111 circuit surface cracks;
Fig. 3 handles the 180th day design sketch in 111 circuit surface cracks with heated bitumen;
Fig. 4 handles the 180th day design sketch in 111 circuit surface cracks with heated bitumen;
Fig. 5 is that bitumen emulsion of the present invention is handled pavement crack design sketch on the same day at Xi Meng;
Fig. 6 handles pavement crack design sketch on the same day with heated bitumen at Xi Meng.
It is the same that Fig. 1-6 comes in Central Plains the pavement crack width, handled 111 circuit surface cracks the 180th day and emulsion of the present invention is handled tin alliance pavement crack first day with bitumen emulsion of the present invention, it is narrow all to contrast the seam of irritating with heated bitumen processing corresponding road surface than it, thereby economizes in raw materials, and the cementation of fissures is also smooth.
Embodiment
Embodiment 1: 50 parts of pitches, 3 parts of solvent oils, 4 parts of vegetables oil, 1 part of anionic asphalt emulsion, 8 parts of ethylene glycol, 24 parts in water.
Embodiment 2: 56 parts of pitches, 4 parts of solvent oils, 3 parts of vegetables oil, 2 parts of anionic asphalt emulsions, 9 parts of glycerol, 22 parts in water.
Embodiment 3: 60 parts of pitches, 5 parts of solvent oils, 5 parts of vegetables oil, 2 parts of cation asphalt emulgents, 10 parts of ethylene glycol, 30 parts in water.
The making method of emulsion of the present invention is made up of following steps:
A, pitch is placed on container internal heating to 120 ℃
B, vegetables oil and oil miscible solvent are lumped together, after stirring, gradation is poured in the heated bitumen and is stirred rapidly;
C, with ethylene glycol in entry, post-heating to 55 ℃ stirs;
D, the pitch asphalt emulsifier poured in 55 ℃ the water, the back that stirs emulsion;
E, will mix good pitch and mix good emulsion respectively by toothed gear pump, under meter, enter equal fat machine and process, the product after the processing promptly is a cold crack pouring asphalt emulsion.
Negatively charged ion or cation asphalt emulgent reach chemical company limited by Shandong Boxing profit and produce.
Claims (5)
1. cold crack pouring asphalt emulsion, it is characterized in that: it is made by the raw material of following parts by weight:
Pitch 50-60 part, solvent oil 3-5 part, vegetables oil 3-5 part, negatively charged ion or cation asphalt emulgent 1-2 part, ethylene glycol or glycerol 8-10 part, water 20-30 part.
2. according to the described a kind of cold crack pouring asphalt emulsion of claim 1, it is characterized in that: it is made by the raw material of following parts by weight:
Pitch 55-60 part, solvent oil 3.5-5 part, vegetables oil 3.5-5 part, negatively charged ion or cation asphalt emulgent 1-2 part, ethylene glycol or glycerol 8-10 part, water 25-30 part.
3. according to the described a kind of cold crack pouring asphalt emulsion of claim 1, it is characterized in that: described solvent oil is aviation kerosene or-No. 35 diesel oil.
4. according to the described a kind of cold crack pouring asphalt emulsion of claim 1, it is characterized in that: described vegetables oil is a soya-bean oil.
5. the preparation method of cold crack pouring asphalt emulsion according to claim 1, it is characterized in that: it is made up of following steps:
A, pitch is placed on container internal heating to 110 ℃-120 ℃;
B, vegetables oil and oil miscible solvent are lumped together, after stirring, gradation is poured in 110 ℃-120 ℃ the heated bitumen and is stirred rapidly;
C, ethylene glycol or glycerol are poured in the water, post-heating to 55 ℃-60 ℃ stirs;
D, asphalt emulsifier poured in 55 ℃-60 ℃ the water, the back that stirs emulsion;
E, with the above-mentioned pitch of mixing and the emulsion mixed respectively by toothed gear pump, under meter, enter equal fat machine and process, the product after the processing promptly is a cold crack pouring asphalt emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2007101582067A CN101148544B (en) | 2007-11-10 | 2007-11-10 | Cold crack pouring asphalt emulsion and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101582067A CN101148544B (en) | 2007-11-10 | 2007-11-10 | Cold crack pouring asphalt emulsion and preparation method thereof |
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| CN101148544A CN101148544A (en) | 2008-03-26 |
| CN101148544B true CN101148544B (en) | 2010-06-02 |
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| FR2939143B1 (en) * | 2008-11-28 | 2011-11-18 | Colas Sa | HYDROCARBON BINDER FOR THE PRODUCTION OF TIED MIXTURES |
| FR2972194B1 (en) * | 2011-03-01 | 2014-07-25 | Colas Sa | HYDROCARBON BINDER EMULSION COMPRISING A HYDROCARBON BIN DISPERSION IN AN AQUEOUS PHASE COMPRISING A BIO-SURFACTANT COMPOSITION |
| CN104194363B (en) * | 2014-09-02 | 2016-04-13 | 汪青 | Utilize residual modification bi tumenf orr oad of corn-based alcohols still and preparation method thereof |
| CN111621367A (en) * | 2020-04-22 | 2020-09-04 | 赖德超 | Spray liquid of rubber-tyred road roller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5474607A (en) * | 1990-05-07 | 1995-12-12 | Emoleum (Australia) Limited | Bitumen emulsions |
| CN1554708A (en) * | 2003-12-28 | 2004-12-15 | 大连市政设施修建总公司材料综合加工 | Method for preparing cold stirring cold laying road asphalt |
| CN1746242A (en) * | 2004-09-07 | 2006-03-15 | 深圳市海川实业股份有限公司 | Asphalt emulsion coating |
| CN101058674A (en) * | 2007-06-06 | 2007-10-24 | 陈宪宏 | Green environment-friendly type emulsified asphalt grouting material stabilizer |
-
2007
- 2007-11-10 CN CN2007101582067A patent/CN101148544B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5474607A (en) * | 1990-05-07 | 1995-12-12 | Emoleum (Australia) Limited | Bitumen emulsions |
| US5518538A (en) * | 1990-05-07 | 1996-05-21 | Emoleum (Australia) Limited | Bitumen emulsions |
| CN1554708A (en) * | 2003-12-28 | 2004-12-15 | 大连市政设施修建总公司材料综合加工 | Method for preparing cold stirring cold laying road asphalt |
| CN1746242A (en) * | 2004-09-07 | 2006-03-15 | 深圳市海川实业股份有限公司 | Asphalt emulsion coating |
| CN101058674A (en) * | 2007-06-06 | 2007-10-24 | 陈宪宏 | Green environment-friendly type emulsified asphalt grouting material stabilizer |
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Granted publication date: 20100602 Termination date: 20121110 |