CN102051055A - Method for preparing penetrated emulsified asphalt - Google Patents
Method for preparing penetrated emulsified asphalt Download PDFInfo
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- CN102051055A CN102051055A CN 200910188101 CN200910188101A CN102051055A CN 102051055 A CN102051055 A CN 102051055A CN 200910188101 CN200910188101 CN 200910188101 CN 200910188101 A CN200910188101 A CN 200910188101A CN 102051055 A CN102051055 A CN 102051055A
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Abstract
The invention discloses a method for preparing penetrated emulsified asphalt. The method comprises the following steps of: (1) preparing aqueous solution by using an asphalt emulsifier and a stabilizer; (2) heating and melting asphalt and/or residual oil, and mixing the melt and a diluent; (3) adding cationic styrene butadiene rubber (SBR) latex to increase the adhesiveness of residues; and (4) emulsifying partial materials in the steps (1), (2) and (3) through a colloid mill with a larger mill clearance, filling obtained products into a finished product tank, turning down the mill clearance of the colloid mill, emulsifying the remaining part of the materials through the colloid mill, filling obtain products into the finished product tank, and uniformly mixing the obtained products and the previous products to obtain a final finished product. By the method, an emulsifying machine meets requirements on different mill clearances, equipment cost is saved compared with that of two colloid mills; and the permeability of the prepared high-permeable penetrated emulsified asphalt is improved, and the indexes such as ductility, sticky toughness and the like are improved at the same time. The penetrated emulsified asphalt can be used in the fields of penetrated oil, cold regeneration of asphalt pavements, slurry sealing and the like.
Description
Technical field
The present invention relates to a kind of Preparation of Emulsification Asphalt method, particularly relate to a kind of preparation method of high-permeability prime coating emulsified asphalt of cheapness.
Background technology
That the saturating layer that is positioned at the bituminous pavement substrate surface plays is fixed, stable, waterproof, connect the effect of each road structure layer, and the quality and the life-span of road pavement are most important.The degree of depth that priming oil infiltrates has determined that can oil mat and non-bituminous material basic unit good combination.Priming oil commonly used has three kinds of coal tar, fluxed asphalt and emulsified bitumens.The coal tar perviousness is strong but poisonous, substantially need not both at home and abroad; Fluxed asphalt permeates, but the cost height, can pollute environment too much because of containing oil content simultaneously, and there is hidden danger in the influence of the long-term behaviour of road; The emulsified bitumen cost is low, can not cause bigger pollution to environment, and cost is also cheaply a lot of than fluxed asphalt, has very wide market outlook.At present existing layer is with the deficiency of emulsified bitumen ubiquity poor permeability, mainly be because: 1. the infiltration of the bigger obstruction pitch of the viscosity of emulsified bitumen droplet; 2. the emulsified bitumen de-emulsification speed is fast, and emulsified bitumen does not just also have when fully infiltration is not gone down breakdown of emulsion, forms the outermost layer of skin that can have been glued by material mover and paver in substrate surface.Though in emulsified bitumen, add the penetrating quality that thinners such as gasoline, kerosene can increase emulsified bitumen, will bring cost to increase considerably and problem such as environmental pollution.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of preparation method of cheap high-permeability prime coating emulsified asphalt, improve the use properties of product from the preparation method, in the infiltrative while of improving emulsified asphalt product, can also improve indexs such as the ductility of emulsified asphalt product and sticking toughness, the cost of emulsified asphalt product is lower simultaneously, does not have special environmental problem.
The preparation method of the saturating coating emulsified asphalt of the present invention comprises following content:
(1) asphalt emulsifier and stablizer are made into the aqueous solution;
(2) with pitch and/or residual oil heat fused and mixing diluents;
(3) add the tackiness that kation S BR latex increases residue;
(4) 30%～90% of above-mentioned (1), (2) and (3) middle weight of material by the mill bigger colloidal mill emulsification in gap, and products obtained therefrom enters the finished product jar; Then the mill gap of colloidal mill is turned down, the remainder of above-mentioned material once more by this colloidal mill emulsification, is entered the finished product jar then and mixes with product before and promptly get final finished.
The gap width of the big colloidal mill in described gap is 7～18 μ m, and the gap width of the colloidal mill that the gap is less is 20%～70% of the big colloidal mill gap width in gap.
The component of high-permeability prime coating emulsified asphalt comprises in weight percentage:
Pitch and/or residual oil: 35%～45%
Thinner: 1%～15%
Asphalt emulsifier: 0.8%～2.0%
Water: 45%～50%
Stablizer: 0.1%～0.2%
Kation S BR latex modified agent: 0.1%～2%.
Among the high-permeability prime coating emulsified asphalt preparation method of the present invention, pitch or residual oil are that common process obtains, and the specific performance index can be determined according to service requirements.
Among the high-permeability prime coating emulsified asphalt preparation method of the present invention, used thinner is that lube oil furfural refining is extracted one or more in oil, FCC slurry oil, lipid acid tankage, the refining of petroleum underpressure distillation side line oil and other industrial byproducts out, these materials than gasoline, kerosene, diesel-fuel price is cheap, volatility is little, thinner volatilizees hardly behind the emulsified bitumen breakdown of emulsion, and environment is not polluted.
Among the high-permeability prime coating emulsified asphalt preparation method of the present invention, the asphalt emulsifier that use in used emulsifying agent and conventional emulsified bitumen field is identical, as cation asphalt emulgent, cloudy sub in asphalt emulsifier, nonionic asphalt emulsifier etc. one or more.Concrete as commodity asphalt emulsifier Jiangsu gold raise gold that the chemical plant produces raise the circling in the air 1831, circle in the air 1631 of (JY)-R3, JY-R4, JY-R5, the production of the chemical industry that circles in the air (Zhangjiagang) company limited, stearylamine, cetylamine and amino dodecane etc. one or more.The composite use of preferred several emulsifying agent, account for 50%～90% as among JY-R3, JY-R4, the JY-R5 one or more, circle in the air 1831, circle in the air 1631, in the stearylamine, cetylamine, amino dodecane one or more 10%～50%, composite use has more outstanding emulsifying effectiveness.
Among the high-permeability prime coating emulsified asphalt preparation method of the present invention, stablizer is for emulsified bitumen field stablizer commonly used, as CaCl
2, NH
4Cl, AlCl
3, Al
2(SO
4)
3Deng in one or more.
This emulsified bitumen also can be used in the road engineering of Bituminous Pavement Cold Regeneration, slurry seal and little table place, palliative, soil fixation, track and walkway seal gum except that using as priming oil.
In the high-permeability prime coating emulsified asphalt of the present invention, the agent of asphalt modifier kation S BR latex modified is a conventional products, and main character sees Table 1.
Among the high-permeability prime coating emulsified asphalt preparation method of the present invention,, can also add some some other additives, as SBS asphalt modifier, Yatall MA etc. according to the specification of quality of emulsified asphalt product.
The present invention is a purpose with the viscosity that reduces emulsified bitumen, the de-emulsification speed that prolongs emulsified bitumen, uses suitable thinner, when enhancing product performance, reduces product price, and has characteristics such as environmental friendliness.Select for use suitable emulsifying agent carry out composite, produced a kind of cheap, high-permeability prime coating emulsified asphalt by special process.This emulsified bitumen also can be used in the road engineering of Bituminous Pavement Cold Regeneration, slurry seal and little table place, palliative, soil fixation, track and walkway seal gum.Its characteristics are: 1. it is composite to select suitable emulsifying agent to carry out, and the type emulsified bitumen is split in preparation slowly, makes it have adequate time to infiltrate basic unit and not at substrate surface breakdown of emulsion skinning; 2. adopt special bimodal preparation technology, the viscosity of emulsified bitumen is descended greatly, help the infiltration of emulsified bitumen; 3. in preparation process, add kation S BR latex, improve the asphalt performance behind the breakdown of emulsion, make it have good ductility and sticking toughness, better connect oil mat and basic unit; 4. the thinner that improves the pitch penetrating quality is that lube oil furfural refining is extracted oil, FCC slurry oil, lipid acid tankage, decompression side line oil and other industrial byproducts out, cheaply is easy to get, and has reduced the cost of strong perviousness emulsified bitumen, is easy to the popularization of coating emulsified asphalt.
Description of drawings
Fig. 1 is a kind of concrete preparation method's schematic flow sheet of high-permeability prime coating emulsified asphalt of the present invention.
Embodiment
Listed embodiment is the purpose that further specifies, the material proportioning of emulsified bitumen is not limited in described in the embodiment, emulsifying agent and thinner type can be a kind of or whole in the described material, specifically according to unit in charge of construction the specification of quality of saturating coating emulsified asphalt are adjusted.
To be that example further specifies as follows to produce the 500g intensive infiltration emulsified asphalt below:
Embodiment 1:
Tahe lightweight residual oil 200g, lube oil furfural refining extract oil out and mix 15g altogether at 1: 1 with the FCC slurry oil, and emulsifying agent JYR3 and stearylamine are total to 6g, CaCl by 10: 2 mixed
20.5g emulsifying agent and stablizer add water to 260g, kation S BR latex 25g.Above-mentioned material 75% by shown in Figure 1 by the mill gap be the colloidal mill emulsification of 10 μ m, products obtained therefrom directly enters the finished product jar, the colloidal mill gap is adjusted into 5 μ m, all the other 25% materials are the colloidal mill emulsification of 5 μ m by the mill gap, enter the finished product jar then and mix with product before and get product.The gained finished product meets the requirement of the saturating layer of JTG F40-2004 with cationic emulsified bitumen, and main character sees Table 2.
Embodiment 2:
Maoming 70# pitch 200g subtracts four lines and mixes 40g altogether at 1: 1 with the lipid acid tankage, and emulsifying agent JYR5 and 1631 is total to 8.25g, NH by 10: 1 mixed
4Cl 1.0g adds water to 235g, kation S BR latex 25g.Above-mentioned substance 50% by the mill gap be the colloidal mill emulsification of 15 μ m, products obtained therefrom directly enters the finished product jar; The colloidal mill gap is adjusted into 4 μ m, and all the other 50% materials are the colloidal mill emulsification of 4 μ m by the mill gap, enter the finished product jar then and mix with product before and get product.The gained finished product meets the requirement of the saturating layer of JTGF40-2004 with cationic emulsified bitumen, and main character sees Table 2.
Table 1 modifying asphalt kation S BR latex technology index
| Project name | Technical indicator |
| Outward appearance | Oyster white |
| Solid content (%) | 40±2 |
| The pH value | 2～3 |
| Density (g/cm 3) | 0.97～0.99 |
| Particle charge | + |
Table 2 emulsified asphalt product character
Claims (5)
1. the preparation method of a saturating coating emulsified asphalt is characterized in that comprising following content:
(1) asphalt emulsifier and stablizer are made into the aqueous solution;
(2) with pitch and/or residual oil heat fused and mixing diluents;
(3) add the tackiness that kation S BR latex increases residue;
(4) 30%～90% of above-mentioned (1), (2) and (3) middle weight of material by the mill bigger colloidal mill emulsification in gap, and products obtained therefrom enters the finished product jar; Then the mill gap of colloidal mill is turned down, the remainder of above-mentioned material once more by this colloidal mill emulsification, is entered the finished product jar then and mixes with product before and promptly get final finished.
2. in accordance with the method for claim 1, it is characterized in that: the gap width of the big colloidal mill in described gap is 7～18 μ m, and the gap width of the colloidal mill that the gap is less is 20%～70% of the big colloidal mill gap width in gap.
3. it is characterized in that in accordance with the method for claim 1: the component of high-permeability prime coating emulsified asphalt comprises in weight percentage:
Pitch and/or residual oil: 35%～45%
Thinner: 1%～15%
Asphalt emulsifier: 0.8%～2.0%
Water: 45%～50%
Stablizer: 0.1%～0.2%
Kation S BR latex modified agent: 0.1%～2%.
4. it is characterized in that in accordance with the method for claim 3: described thinner is that lube oil furfural refining is extracted one or more in oil, FCC slurry oil, lipid acid tankage and the refining of petroleum underpressure distillation side line oil out.
5. it is characterized in that in accordance with the method for claim 3: described stablizer is CaCl
2, NH
4Cl, AlCl
3And Al
2(SO
4)
3In one or more.
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| CN 200910188101 CN102051055B (en) | 2009-10-27 | 2009-10-27 | Method for preparing penetrated emulsified asphalt |
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|---|---|---|---|
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| CN102051055B CN102051055B (en) | 2013-01-23 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102504703A (en) * | 2011-09-28 | 2012-06-20 | 哈尔滨工业大学 | Condensed ice damage prevention functional protective material for asphalt pavement and preparation method thereof |
| CN102911506A (en) * | 2012-10-24 | 2013-02-06 | 长安大学 | High-permeability anion modified emulsified asphalt and preparation method thereof |
| CN103554933A (en) * | 2013-10-21 | 2014-02-05 | 长安大学 | High adhesion prime coat oil for cement stabilized macadam base and preparation method of high adhesion prime coat oil |
| CN104629392A (en) * | 2015-03-06 | 2015-05-20 | 西安公路研究院 | Environment-friendly type high-permeability emulsified asphalt based on plant asphalt |
| CN104761184A (en) * | 2014-03-25 | 2015-07-08 | 广西大学 | Special permeable and adhesive layer composite material for semi-rigid base |
| CN106009739A (en) * | 2016-07-29 | 2016-10-12 | 中海沥青（泰州）有限责任公司 | Modified emulsified asphalt for ultrathin wearing layers and preparation method thereof |
| CN110283335A (en) * | 2019-06-24 | 2019-09-27 | 江苏瑞沃建设集团有限公司 | A kind of emulsified asphalt preparation method of low cost |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730612A (en) * | 2005-08-10 | 2006-02-08 | 董建明 | Intensive infiltration emulsified asphalt and its preparation |
-
2009
- 2009-10-27 CN CN 200910188101 patent/CN102051055B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102504703A (en) * | 2011-09-28 | 2012-06-20 | 哈尔滨工业大学 | Condensed ice damage prevention functional protective material for asphalt pavement and preparation method thereof |
| CN102911506A (en) * | 2012-10-24 | 2013-02-06 | 长安大学 | High-permeability anion modified emulsified asphalt and preparation method thereof |
| CN102911506B (en) * | 2012-10-24 | 2016-01-20 | 长安大学 | Anion-modified emulsified bitumen of a kind of Thief zone and preparation method thereof |
| CN103554933A (en) * | 2013-10-21 | 2014-02-05 | 长安大学 | High adhesion prime coat oil for cement stabilized macadam base and preparation method of high adhesion prime coat oil |
| CN103554933B (en) * | 2013-10-21 | 2015-09-23 | 长安大学 | For the high-adhesion priming oil and preparation method thereof of cement stabilized macadam base |
| CN104761184A (en) * | 2014-03-25 | 2015-07-08 | 广西大学 | Special permeable and adhesive layer composite material for semi-rigid base |
| CN104629392A (en) * | 2015-03-06 | 2015-05-20 | 西安公路研究院 | Environment-friendly type high-permeability emulsified asphalt based on plant asphalt |
| CN106009739A (en) * | 2016-07-29 | 2016-10-12 | 中海沥青（泰州）有限责任公司 | Modified emulsified asphalt for ultrathin wearing layers and preparation method thereof |
| CN110283335A (en) * | 2019-06-24 | 2019-09-27 | 江苏瑞沃建设集团有限公司 | A kind of emulsified asphalt preparation method of low cost |
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|---|---|
| CN102051055B (en) | 2013-01-23 |
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