CN101817984A - Emulsified asphalt and preparation method thereof - Google Patents
Emulsified asphalt and preparation method thereof Download PDFInfo
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- CN101817984A CN101817984A CN 201010148059 CN201010148059A CN101817984A CN 101817984 A CN101817984 A CN 101817984A CN 201010148059 CN201010148059 CN 201010148059 CN 201010148059 A CN201010148059 A CN 201010148059A CN 101817984 A CN101817984 A CN 101817984A
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- emulsified bitumen
- pitch
- emulsifying agent
- emulsified
- asphalt
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- 239000010426 asphalt Substances 0.000 title claims abstract description 100
- 238000002360 preparation method Methods 0.000 title abstract description 17
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 53
- 239000013008 thixotropic agent Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000001804 emulsifying effect Effects 0.000 claims abstract description 9
- 239000011295 pitch Substances 0.000 claims description 55
- 239000000344 soap Substances 0.000 claims description 43
- 238000002156 mixing Methods 0.000 claims description 31
- -1 stablizer Substances 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000012752 auxiliary agent Substances 0.000 claims description 16
- 239000012874 anionic emulsifier Substances 0.000 claims description 15
- 239000012875 nonionic emulsifier Substances 0.000 claims description 14
- 239000001913 cellulose Substances 0.000 claims description 13
- 229920002678 cellulose Polymers 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 11
- 229920001732 Lignosulfonate Polymers 0.000 claims description 10
- 235000019357 lignosulphonate Nutrition 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 229960001866 silicon dioxide Drugs 0.000 claims description 10
- 235000012239 silicon dioxide Nutrition 0.000 claims description 10
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 8
- 150000001413 amino acids Chemical class 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 238000010298 pulverizing process Methods 0.000 claims description 8
- 238000010008 shearing Methods 0.000 claims description 8
- 150000002632 lipids Chemical class 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- NQFTUVFIYWCCTP-UHFFFAOYSA-N C(CC)C(N(C)C)(C(=O)O)C.C(CCCCCCCCCCC)(=O)N Chemical compound C(CC)C(N(C)C)(C(=O)O)C.C(CCCCCCCCCCC)(=O)N NQFTUVFIYWCCTP-UHFFFAOYSA-N 0.000 claims description 5
- 125000000129 anionic group Chemical group 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 abstract description 31
- 239000003381 stabilizer Substances 0.000 abstract description 6
- 238000003860 storage Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000032798 delamination Effects 0.000 abstract 2
- 230000000536 complexating effect Effects 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 83
- 235000011121 sodium hydroxide Nutrition 0.000 description 41
- 239000004568 cement Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 11
- 238000013461 design Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 5
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 5
- 238000010257 thawing Methods 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- ILRSCQWREDREME-UHFFFAOYSA-N dodecanamide Chemical compound CCCCCCCCCCCC(N)=O ILRSCQWREDREME-UHFFFAOYSA-N 0.000 description 3
- 238000005204 segregation Methods 0.000 description 3
- 235000016068 Berberis vulgaris Nutrition 0.000 description 2
- 241000335053 Beta vulgaris Species 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The invention discloses emulsified asphalt and a preparation method thereof. The emulsified asphalt comprises the following components in percent by weight: 60 to 65 percent of asphalt, 1.0 to 4.0 percent of complex emulsifier, 0.04 to 0.4 percent of stabilizing agent, 0.05 to 0.2 percent of thixotropic agent, 0.1 to 4 percent of aid and the balance of water. The emulsified asphalt for CRTS II type slab ballastless track cement-emulsified-asphalt mortar solves the main problems of poor stability, short available time, poor temperature adaptability, easy delamination and the like of the emulsified asphalt in the prior art. By adopting technology of complexing the emulsifier, various stabilizing agents are added, so the emulsified asphalt has the advantages of good emulsifying effect, good storage stability, good temperature adaptability of prepared cement-emulsified-asphalt mortar, long available time and no delamination, and can completely meet the requirement of cement-emulsified-asphalt mortar for ballastless track cushion of high speed railways.
Description
Technical field
The invention belongs to high-speed railway plate-type slag-free orbit brace mortar technical field, particularly a kind of CRTS II template formula ballastless track cement emulsified asphalt mortar is adjusted emulsified bitumen that uses in the layer and preparation method thereof.
Background technology
Because high-speed railway is to the requirement of circuit high ride and high stability, the plate-type slag-free orbit structure is all adopted in countries in the world.Ballastless track is the gordian technique of high-speed railway, by roadbed, guidance tape and between the cement emulsified asphalt mortar layer form, the cement emulsified asphalt mortar layer is a kind of semi-rigid body gelling material between cement based and asphalt-based material, is bringing into play important effect in the ballastless track structure.Main classification CRTS I template formula ballastless track, CRTS II template formula ballastless track.
Emulsified bitumen is one of crucial composition material of cement emulsified asphalt mortar, and its performance directly affects the serviceability and the endurance quality of cement emulsified asphalt mortar.CRTS II template formula ballastless track cement emulsified asphalt mortar with emulsified bitumen except that should having traditional performances such as good preservation stability, high low-temperature stability, also should have, stability good and by force, not influence performances such as hydrated cementitious speed with siccative system consistency, and the mortar of preparation can air content need determine within certain scope that mortar keeps degree of mobilization, divergence preferably in the long time.
At present, the producer of domestic production emulsified bitumen is a lot, but all is in the trial production stage, and the country/industry standard that does not have to determine is gone standard emulsified asphalt product quality.The mortar of existing emulsified bitumen preparation exists operable time weak point, thermal adaptation narrow range, the easy deficiencies such as layering, fillibility difference of emanating, if use in CRTS II template formula ballastless track, understands the quality that directly influence cement emulsified asphalt mortar.
Summary of the invention
Technical problem solved by the invention is to provide emulsified bitumen that a kind of stability in storage is good, thermal adaptability is good and preparation method thereof.
The technical solution that realizes the object of the invention is: a kind of emulsified bitumen, comprise pitch, emulsifying agent, stablizer, auxiliary agent and water, wherein each components contents is by weight percentage: pitch: 60～65%, emulsifying agent 1.0～4.0%, stablizer: 0.04～0.4%, thixotropic agent 0.05～0.2%, auxiliary agent: 0.1～4.0%, surplus is a water.
A kind of method of making emulsified bitumen may further comprise the steps:
Step 1, with pitch heating and melting in the geosyncline, beat to material-compound tank, afterwards the heating;
Step 2, stablizer, emulsifying agent, thixotropic agent and auxiliary agent are squeezed into the soap lye groove successively, after adding water and fully dissolving, the regulator solution pH value is mixed with soap lye, afterwards heating.
Step 3, above-mentioned pitch is pressed 3m
3/ h, soap lye are pressed 2m
3The flow velocity of/h is squeezed into the colloidal mill of preheating, shearing, pulverizing, grinding and mixing and emulsifying through colloidal mill, make pitch with tiny microparticulate in the aqueous solution that contains emulsifying agent, form the uniform and stable heterogeneous dispersion system of oil-in-water shape, this system is emulsified bitumen.
The present invention compared with prior art, its remarkable advantage is: the emulsified bitumen that uses in the CRTS II template formula ballastless track cement emulsified asphalt mortar of the present invention, bubble is few in the system, not only be fit to store at normal temperatures and use, also be adapted under the lower or higher environment of temperature storing and use, have that stability in storage is good, thermal adaptability is good, low bubble property; The cement emulsified asphalt mortar of preparation has advantages such as operable time length, good stability, not stratified segregation, and this mortar can be constructed under low temperature or hot environment.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Description of drawings
Accompanying drawing is an emulsified bitumen preparation technology schema of the present invention.
Embodiment
A kind of emulsified bitumen of the present invention, comprise pitch, emulsifying agent, stablizer, thixotropic agent, auxiliary agent and water, wherein each components contents is by weight percentage: pitch: 60～65%, emulsifying agent 1.0～4.0%, stablizer: 0.04～0.4%, thixotropic agent 0.05～0.2%, auxiliary agent: 0.1～4.0%, surplus is a water.Described pitch is to satisfy above heavy traffic paving asphalt of B level or the bi tumenf orr oad that JTJ052-2000 requires, draw selection No. 70 or No. 90 pitches by pitch penetration degree index, the use climatope condition of the selection of the former material of pitch and emulsified bitumen adapts, and can strengthen the interaction of emulsified bitumen and siccative, improve the overall performance of mortar.Emulsifying agent is 2.0～3.5% anionic emulsifier or 2.0～3.5% anionic emulsifiers and the mixing of other emulsifying agents, and described other emulsifying agents are one or both the mixing in 0.2～1.0% nonionic emulsifier, 0.1～0.5% amphoteric ion type emulsifying agent; Described anionic emulsifier is one or both and the above mixing in lipid acid sulfoalkyl ester, sulfonated lignin, the alkyl ether carboxylic acid's salt.Described nonionic emulsifier is a kind of or two kinds and the above mixing in sorbitan ester, alkylphenol polyoxyethylene, the alkylamide type.Described amphoteric ion type emulsifying agent is a kind of or two kinds and the above mixing in basic trimethyl-glycine in the laurylamide, the amino acid type amphoteric ionic emulsifying agent.Described stablizer is the mixing of a kind of in polyethers, the cellulose family or two kinds.Described thixotropic agent is water-soluble silicon-dioxide.A kind of in preferred caustic soda of above-mentioned auxiliary agent or the inorganic salt or two kinds compound.These materials can increase the stability of emulsified bitumen system as stablizer and auxiliary agent, avoid producing laminated segregation with the cement emulsified asphalt mortar of emulsified bitumen preparation, improve the resolution of mortar.
A kind of method of making above-mentioned emulsified bitumen may further comprise the steps:
Step 1, with pitch heating and melting in the geosyncline, beat to material-compound tank, afterwards the heating; Asphalt temperature after the heating is 130 ± 5 ℃.
Step 2, stablizer, emulsifying agent, thixotropic agent and auxiliary agent are squeezed into the soap lye groove successively, after adding water and fully dissolving, the regulator solution pH value is mixed with soap lye, afterwards heating.Stablizer is: the mixing of a kind of in polyethers, the cellulose family or two kinds; Thixotropic agent is water-soluble silicon-dioxide; Emulsifying agent is 2.0～3.5% anionic emulsifier or 2.0～3.5% anionic emulsifiers and the mixing of other emulsifying agents, described other emulsifying agents are one or both the mixing in 0.2～1.0% nonionic emulsifier, 0.1～0.5% amphoteric ion type emulsifying agent, and wherein anionic emulsifier is one or both and the above mixing in lipid acid sulfoalkyl ester, sulfonated lignin, the alkyl ether carboxylic acid's salt; Nonionic emulsifier is a kind of or two kinds and the above mixing in sorbitan ester, alkylphenol polyoxyethylene, the alkylamide type; The amphoteric ion type emulsifying agent is a kind of or two kinds and the above mixing in dodecanamide propyl trimethyl-glycine, the amino acid type amphoteric ionic emulsifying agent; The pH value of solution is 11-12 behind the adjusting PH; Heated temperatures is 60 ± 5 ℃.
Step 3, above-mentioned pitch is pressed 3m
3/ h, soap lye are pressed 2m
3The flow velocity of/h is squeezed into the colloidal mill of preheating, shearing, pulverizing, grinding and mixing and emulsifying through colloidal mill, make pitch with tiny microparticulate in the aqueous solution that contains emulsifying agent, form the uniform and stable heterogeneous dispersion system of oil-in-water shape, this system is emulsified bitumen.
The performance of the emulsified bitumen among the present invention satisfies the requirement of " the provisional technical qualification of passenger dedicated railway line CRTS II template formula ballastless track cement emulsified asphalt mortar ", see Table 1, satisfy the requirement of table 2 with the performance of the cement emulsified asphalt mortar of above-mentioned emulsified bitumen preparation.
The performance index of table 1 emulsified bitumen
Annotate: (1) carries out this detection when process low tempertaure storage in the actual use of emulsified bitumen and transportation.
(2) when adopting modifying asphalt to prepare emulsified bitumen, carry out this detection.
Table 2 cement emulsified asphalt mortar technical performance index
Annotate: (1) Ds represents that mortar goes out machine and expands system; D30 represents to expand when mortar goes out machine 30min system; Required time when t280 represents that mortar expansion system reaches 280s.
Various technical requirements involved in the present invention and performance index require all can be with reference to the regulation in " the provisional technical qualification of passenger dedicated railway line CRTS II template formula ballastless track cement emulsified asphalt mortar " (No. [2008] 74, science and technology base) or corresponding national standards and the industry standard.
The present invention is raw materials used all by weight percentage, the asphalt stock that adopts draw by its penetration degree index and select No. 70 or No. 90 pitches, below in conjunction with embodiment the present invention is further described:
Embodiment 1
The emulsified bitumen that this example pin provides, the pitch that is adopted is No. 90 heavy-duty road asphalts, lipid acid sulfoalkyl ester anionic emulsifier, the alkylphenol polyoxyethylene nonionic emulsifier, dodecanamide propyl beet alkali ampholytic ionic emulsifying agent, polyethers and cellulose family compound stabilizer, water-soluble silicon-dioxide thixotropic agent, its composition is as shown in table 3.This example system the emulsified bitumen thixotropy good, and the mortar temperature adaptability that makes is good, the not stratified segregation in back is solidified in not sedimentation, mortar, is applicable to low-temperature construction.Preparation process is as follows:
1. open steam heating system, geosyncline inner coil pipe heating system is heated to 130 ℃ of-160 ℃ of thawings with No. 90 heavy-duty road asphalts, utilize pump that pitch is beaten to dosing vessel, the pitch of stating proportioning is heated to material-compound tank, material-compound tank also is provided with steam-heating apparatus, by PLC Controlling System design temperature controlled variable, by the aperture of control steam valve, the control asphalt temperature is opened and is stirred at 130 ± 5 ℃;
2. with polyethers and cellulose family compound stabilizer, water-soluble silicon-dioxide thixotropic agent, lipid acid sulfoalkyl ester anionic emulsifier, alkylphenol polyoxyethylene nonionic emulsifier, dodecanamide propyl beet alkali ampholytic ionic emulsifying agent and Sulfates auxiliary agent are squeezed into the soap lye groove successively, its composition is as shown in table 3, after adding water and fully dissolving, the regulator solution pH value is mixed with soap lye to the 11-12 scope.By PLC Controlling System design temperature controlled variable, by the aperture of control steam valve, 60 ± 5 ℃ of control soap lye asphalt temperature are opened and are stirred;
3. by the PLC Controlling System, set flow velocity pitch 3m
3/ h, soap lye flow velocity 2m
3/ h, its controlled variable is as shown in table 4, opens soap lye, bitumenpump successively, soap lye, pitch are squeezed into the colloidal mill of preheating, through shearing, pulverizing, grinding and the mixing and emulsifying of colloidal mill, make pitch with tiny microparticulate in the aqueous solution that contains emulsifying agent, the emulsified bitumen finished product of system.
Embodiment 2
The emulsified bitumen that this example pin provides, the pitch that is adopted are No. 90 heavy-duty road asphalts, the sulfonated lignin anionic emulsifier, and the cellulose family stablizer, water-soluble silicon-dioxide thixotropic agent, its composition is as shown in table 3.This example makes to such an extent that emulsified bitumen is fit to construction at normal temperatures.Preparation process is as follows:
1. open steam heating system, geosyncline inner coil pipe heating system is heated to 130 ℃ of-160 ℃ of thawings with No. 90 heavy-duty road asphalts, utilize pump that pitch is beaten to dosing vessel, the pitch of stating proportioning is heated to material-compound tank, material-compound tank also is provided with steam-heating apparatus, by PLC Controlling System design temperature controlled variable, by the aperture of control steam valve, the control asphalt temperature is opened and is stirred at 130 ± 5 ℃;
2. with the cellulose family stablizer, water-soluble silicon-dioxide thixotropic agent, sulfonated lignin anionic emulsifier and Sulfates auxiliary agent are squeezed into the soap lye groove successively, its composition is as shown in table 3, after adding water and fully dissolving, the regulator solution pH value is mixed with soap lye to the 11-12 scope.By PLC Controlling System design temperature controlled variable, by the aperture of control steam valve, 60 ± 5 ℃ of control soap lye asphalt temperature are opened and are stirred;
3. by the PLC Controlling System, set flow velocity pitch 3m
3/ h, soap lye flow velocity 2m
3/ h, its controlled variable is as shown in table 4, opens soap lye, bitumenpump successively, soap lye, pitch are squeezed into the colloidal mill of preheating, through shearing, pulverizing, grinding and the mixing and emulsifying of colloidal mill, make pitch with tiny microparticulate in the aqueous solution that contains emulsifying agent, the emulsified bitumen finished product of system.
Embodiment 3
The emulsified bitumen that this example pin provides, the pitch that is adopted are No. 90 heavy-duty road asphalts, the sulfonated lignin anionic emulsifier, and dodecanamide propyl trimethyl-glycine and amino acid type amphoteric ionic emulsifying agent, the cellulose family stablizer, its composition is as shown in table 3.This example makes to such an extent that emulsified bitumen is fit to construction at normal temperatures.Preparation process is as follows: the emulsified bitumen stability in storage is good, and, the mortar good fluidity, the not sedimentation that make.Preparation process is as follows:
1. open steam heating system, geosyncline inner coil pipe heating system is heated to 130 ℃ of-160 ℃ of thawings with No. 90 heavy-duty road asphalts, utilize pump that pitch is beaten to dosing vessel, the pitch of stating proportioning is heated to material-compound tank, material-compound tank also is provided with steam-heating apparatus, by PLC Controlling System design temperature controlled variable, by the aperture of control steam valve, the control asphalt temperature is opened and is stirred at 130 ± 5 ℃;
2. with the cellulose family stablizer, the sulfonated lignin anionic emulsifier, dodecanamide propyl trimethyl-glycine and amino acid type amphoteric ionic emulsifying agent and Sulfates auxiliary agent are squeezed into the soap lye groove successively, its composition is as shown in table 3, after adding water and fully dissolving, the regulator solution pH value is mixed with soap lye to the 11-12 scope.By PLC Controlling System design temperature controlled variable, by the aperture of control steam valve, 60 ± 5 ℃ of control soap lye asphalt temperature are opened and are stirred;
3. by the PLC Controlling System, set flow velocity pitch 3m
3/ h, soap lye flow velocity 2m
3/ h, its controlled variable is as shown in table 4, opens soap lye, bitumenpump successively, soap lye, pitch are squeezed into the colloidal mill of preheating, through shearing, pulverizing, grinding and the mixing and emulsifying of colloidal mill, make pitch with tiny microparticulate in the aqueous solution that contains emulsifying agent, the emulsified bitumen finished product of system.
Embodiment 4
The emulsified bitumen that this example pin provides, the pitch that is adopted are No. 70 heavy-duty road asphalts, sulfonated lignin anionic type emulsifying agent, and sorbitan ester and alkylphenol polyoxyethylene nonionic emulsifier, the cellulose family stablizer, its composition is as shown in table 3.This example makes to such an extent that emulsified bitumen is fit to construction at normal temperatures.Preparation process is as follows:
1. open steam heating system, geosyncline inner coil pipe heating system is heated to 130 ℃ of-160 ℃ of thawings with No. 70 heavy-duty road asphalts, utilize pump that pitch is beaten to dosing vessel, the pitch of stating proportioning is heated to material-compound tank, material-compound tank also is provided with steam-heating apparatus, by PLC Controlling System design temperature controlled variable, by the aperture of control steam valve, the control asphalt temperature is opened and is stirred at 130 ± 5 ℃;
2. will tie up plain class stablizer, the sulfonated lignin anionic emulsifier, sorbitan ester and alkylphenol polyoxyethylene nonionic emulsifier and Sulfates auxiliary agent are squeezed into the soap lye groove successively, its composition is as shown in table 3, after adding water and fully dissolving, the regulator solution pH value is mixed with soap lye to the 11-12 scope.By PLC Controlling System design temperature controlled variable, by the aperture of control steam valve, 60 ± 5 ℃ of control soap lye asphalt temperature are opened and are stirred;
3. by the PLC Controlling System, set flow velocity pitch 3m
3/ h, soap lye flow velocity 2m
3/ h, its controlled variable is as shown in table 4, opens soap lye, bitumenpump successively, soap lye, pitch are squeezed into the colloidal mill of preheating, through shearing, pulverizing, grinding and the mixing and emulsifying of colloidal mill, make pitch with tiny microparticulate in the aqueous solution that contains emulsifying agent, the emulsified bitumen finished product of system.
Embodiment 5
The emulsified bitumen that this example pin provides, the pitch that is adopted is No. 70 heavy-duty road asphalts, alkyl ether carboxy acid salt's anionoid type emulsifying agent, alkylamide type nonionic emulsifier, the amino acid type amphoteric ionic emulsifying agent, cellulose stabiliser, water-soluble silicon-dioxide thixotropic agent, its composition is as shown in table 3.This example system good, the high temperature of emulsified bitumen stability in storage under be difficult for breakdown of emulsion, and the mortar divergence that makes good, be easy to perfusion, be fit to high temperature construction down.Preparation process is as follows:
1. open steam heating system, geosyncline inner coil pipe heating system is heated to 130 ℃ of-160 ℃ of thawings with No. 70 heavy-duty road asphalts, utilize pump that pitch is beaten to dosing vessel, the pitch of stating proportioning is heated to material-compound tank, material-compound tank also is provided with steam-heating apparatus, by PLC Controlling System design temperature controlled variable, by the aperture of control steam valve, the control asphalt temperature is opened and is stirred at 130 ± 5 ℃;
2. with cellulose stabiliser, water-soluble silicon-dioxide thixotropic agent, alkyl ether carboxy acid salt's anionoid type emulsifying agent, alkylamide type nonionic emulsifier, amino acid type amphoteric ionic emulsifying agent and Sulfates auxiliary agent are squeezed into the soap lye groove successively, and its composition is as shown in table 3, after adding water and fully dissolving, the regulator solution pH value is mixed with soap lye to the 11-12 scope.By PLC Controlling System design temperature controlled variable, by the aperture of control steam valve, 60 ± 5 ℃ of control soap lye asphalt temperature are opened and are stirred;
3. by the PLC Controlling System, set flow velocity pitch 3m
3/ h, soap lye flow velocity 2m
3/ h, its controlled variable is as shown in table 4, opens soap lye, bitumenpump successively, soap lye, pitch are squeezed into the colloidal mill of preheating, through shearing, pulverizing, grinding and the mixing and emulsifying of colloidal mill, make pitch with tiny microparticulate in the aqueous solution that contains emulsifying agent, the emulsified bitumen finished product of system.
The foregoing description 1-5 production formula is compared:
Table 3 embodiment 1-5 production formula composition (weight percent, %)
The foregoing description 1-5 emulsified bitumen production control parameter is compared:
Table 4 embodiment 1-5 emulsified bitumen production control parameter
| Examples of parameters | Pitch flow (m 3/h) | Asphalt temperature (℃) | Soap lye flow (m 3/h) | The soap lye temperature (℃) | Output (ton) |
| Example 1 | ??3.05 | ??135 | ??1.95 | ??65 | ??1 |
| Example 2 | ??2.95 | ??130 | ??2.05 | ??60 | ??1 |
| Examples of parameters | Pitch flow (m 3/h) | Asphalt temperature (℃) | Soap lye flow (m 3/h) | The soap lye temperature (℃) | Output (ton) |
| Example 3 | ??2.95 | ??125 | ??2.05 | ??55 | ??1 |
| Example 4 | ??295 | ??125 | ??205 | ??55 | ??1 |
| Example 5 | ??2.95 | ??125 | ??2.05 | ??55 | ??1 |
To the emulsified bitumen of the foregoing description 1-3 output, carry out check analysis:
The emulsified bitumen performance test results of table 5 embodiment 1-3 output
Claims (11)
1. emulsified bitumen, it is characterized in that, comprise pitch, emulsifying agent, stablizer, thixotropic agent, auxiliary agent and water, wherein each components contents is by weight percentage: pitch 60～65%, emulsifying agent 1.0～4.0%, stablizer 0.04～0.4%, thixotropic agent 0.05～0.2%, auxiliary agent 0.1～4.0%, surplus are water.
2. emulsified bitumen according to claim 1 is characterized in that, described pitch is to satisfy above heavy traffic paving asphalt of B level or the bi tumenf orr oad that JTJ052-2000 requires.
3. emulsified bitumen according to claim 2 is characterized in that, described pitch is divided into No. 70 or No. 90 pitches by its penetration degree index.
4. emulsified bitumen according to claim 1, it is characterized in that, emulsifying agent is 2.0～3.5% anionic emulsifier or 2.0～3.5% anionic emulsifiers and the mixing of other emulsifying agents, and described other emulsifying agents are one or both the mixing in 0.2～1.0% nonionic emulsifier, 0.1～0.5% amphoteric ion type emulsifying agent; Described anionic emulsifier is one or both and the above mixing in lipid acid sulfoalkyl ester, sulfonated lignin, the alkyl ether carboxylic acid's salt.
5. emulsified bitumen according to claim 4 is characterized in that, described nonionic emulsifier is a kind of or two kinds and the above mixing in sorbitan ester, alkylphenol polyoxyethylene, the alkylamide type.
6. emulsified bitumen according to claim 4 is characterized in that, described amphoteric ion type emulsifying agent is a kind of or two kinds and the above mixing in dodecanamide propyl trimethyl-glycine, the amino acid type amphoteric ionic emulsifying agent.
7. emulsified bitumen according to claim 1 is characterized in that, described stablizer is the mixing of a kind of in polyethers, the cellulose family or two kinds.
8. emulsified bitumen according to claim 1 is characterized in that, described thixotropic agent is water-soluble silicon-dioxide.
9. a method of making the described emulsified bitumen of claim 1 is characterized in that, may further comprise the steps:
Step 1, with pitch heating and melting in the geosyncline, beat to material-compound tank, afterwards the heating;
Step 2, stablizer, emulsifying agent, thixotropic agent and auxiliary agent are squeezed into the soap lye groove successively, after adding water and fully dissolving, the regulator solution pH value is mixed with soap lye, afterwards heating;
Step 3, above-mentioned pitch is pressed 3m
3/ h, soap lye are pressed 2m
3The flow velocity of/h is squeezed into the colloidal mill of preheating, shearing, pulverizing, grinding and mixing and emulsifying through colloidal mill, make pitch with tiny microparticulate in the aqueous solution that contains emulsifying agent, form the uniform and stable heterogeneous dispersion system of oil-in-water shape, this system is emulsified bitumen.
10. want 8 described emulsified bitumen manufacture method according to right, it is characterized in that, the asphalt temperature in the step 1 after the heating is 130 ± 5 ℃.
11. want 8 described emulsified bitumen manufacture method according to right, it is characterized in that stablizer is in the step 2: the mixing of a kind of in polyethers, the cellulose family or two kinds; Thixotropic agent is water-soluble silicon-dioxide; Emulsifying agent is one or both and the above mixing in 2.0～3.5% anionic emulsifier, 0.2～1.0% nonionic emulsifier, 0.1～0.5% amphoteric ion type emulsifying agent, and wherein anionic emulsifier is one or both and the above mixing in lipid acid sulfoalkyl ester, sulfonated lignin, the alkyl ether carboxylic acid's salt; Nonionic emulsifier is a kind of or two kinds and the above mixing in sorbitan ester, alkylphenol polyoxyethylene, the alkylamide type; The amphoteric ion type emulsifying agent is a kind of or two kinds and the above mixing in dodecanamide propyl trimethyl-glycine, the amino acid type amphoteric ionic emulsifying agent; The pH value of solution is 11-12 behind the adjusting PH; Heated temperatures is 60 ± 5 ℃.
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| CN103059580A (en) * | 2011-10-18 | 2013-04-24 | 中国石油化工股份有限公司 | Anionic anti-freezing emulsified asphalt and preparation method thereof |
| CN103059580B (en) * | 2011-10-18 | 2015-12-16 | 中国石油化工股份有限公司 | Anionic anti-freezing emulsified asphalt and preparation method thereof |
| CN102504554A (en) * | 2011-11-14 | 2012-06-20 | 镇江金阳道路材料科技发展有限公司 | Anion slow-cracking asphalt emulsifying agent and preparation method thereof |
| CN103803893A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Cement asphalt mortar and preparation method thereof |
| CN103803893B (en) * | 2012-11-07 | 2016-02-03 | 中国石油化工股份有限公司 | A kind of cement asphalt mortar and preparation method thereof |
| CN103834183A (en) * | 2012-11-27 | 2014-06-04 | 中国石油天然气股份有限公司 | A special emulsified asphalt for high-speed railway slab ballastless track |
| CN103602081A (en) * | 2013-11-07 | 2014-02-26 | 河北伦特石油化工有限公司 | Rubber powder asphalt and preparation method thereof |
| CN103773028A (en) * | 2014-01-20 | 2014-05-07 | 南通东南公路工程有限公司 | Fatty acid emulsified asphalt material |
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| CN103980868B (en) * | 2014-05-27 | 2017-01-04 | 玉门油田科达化学有限责任公司 | Drilling fluid amphion emulsion asphalt anti-collapse agent |
| CN104130757A (en) * | 2014-07-15 | 2014-11-05 | 中国石油集团长城钻探工程有限公司钻井液公司 | Plugging type anti-collapse agent and preparation method thereof |
| CN104448848A (en) * | 2014-11-21 | 2015-03-25 | 江苏省交通科学研究院股份有限公司 | Quick-set wheel-adhesion-free sticky layer emulsified asphalt and preparation method thereof |
| CN109694482A (en) * | 2017-10-23 | 2019-04-30 | 神华集团有限责任公司 | Modified emulsifying asphalt and preparation method thereof and mist sealing material |
| CN109694482B (en) * | 2017-10-23 | 2021-08-10 | 国家能源投资集团有限责任公司 | Modified emulsified asphalt, preparation method thereof and fog sealing layer material |
| CN108840606A (en) * | 2018-07-31 | 2018-11-20 | 南京浦江工程检测有限公司 | A kind of cold mixing cold laid asphaltic mixture and preparation method and wearing course |
| CN109762467A (en) * | 2018-12-25 | 2019-05-17 | 广西青龙化学建材有限公司 | Modified viscoelastic marine glue of graphene and preparation method thereof |
| CN115651417A (en) * | 2022-11-04 | 2023-01-31 | 喜跃发国际环保新材料股份有限公司 | Emulsified asphalt enhanced by adopting cellulose nanocrystals as well as preparation method and application of emulsified asphalt |
| CN115651417B (en) * | 2022-11-04 | 2023-10-20 | 喜跃发国际环保新材料股份有限公司 | Emulsified asphalt reinforced by cellulose nanocrystalline as well as preparation method and application thereof |
| CN116354647A (en) * | 2023-02-23 | 2023-06-30 | 江苏镇淮建设集团有限公司 | Thus ultrathin wearing layer for pavement maintenance and construction method thereof |
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