CN103821063A - Rubber asphalt preparing equipment based on ultrasonic method - Google Patents
Rubber asphalt preparing equipment based on ultrasonic method Download PDFInfo
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- CN103821063A CN103821063A CN201410089388.7A CN201410089388A CN103821063A CN 103821063 A CN103821063 A CN 103821063A CN 201410089388 A CN201410089388 A CN 201410089388A CN 103821063 A CN103821063 A CN 103821063A
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- 239000010426 asphalt Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 239000000843 powder Substances 0.000 claims abstract description 23
- 239000011159 matrix material Substances 0.000 claims abstract description 17
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000035484 reaction time Effects 0.000 abstract description 2
- 241000490025 Schefflera digitata Species 0.000 abstract 5
- 235000015250 liver sausages Nutrition 0.000 abstract 5
- 239000000463 material Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- 230000008961 swelling Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 210000000805 cytoplasm Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to rubber asphalt preparing equipment based on an ultrasonic method. The equipment comprises a rubber powder conveyor, a matrix asphalt transfer pump and a preparation case, wherein a plurality of heating plates and ultrasonic components are arranged in the preparation case from top to bottom; and each ultrasonic component comprises an ultrasonic vibration pate I, an ultrasonic vibration pate II and an ultrasonic transducer arranged between the two plates, the ultrasonic vibration pate I and the ultrasonic vibration pate II are arranged parallelly up and down, the lower part of the ultrasonic transducer is connected with an ultrasonic transmitting plate, the upper end is connected with the ultrasonic vibration pates through bolts, and the ultrasonic transducer is connected with an ultrasonic power through a wire to form a circuit. The rubber asphalt preparing equipment is simple in structure, low in energy consumption and high in heating speed; the asphalt and the rubber powder are uniformly mixed through high-frequency ultrasonic vibration, the reaction time is shortened, a reaction can be performed at a lower temperature, the matrix asphalt can be prevented from aging effectively, and the prepared rubber and asphalt mixture has stable performance.
Description
Technical field
The present invention relates to a kind of preparation of ground surface material rubber asphalt material, particularly relate to a kind of equipment of preparing rubber asphalt based on supercritical ultrasonics technology.
Background technology
Rubber asphalt is the novel pavement material that development in recent years is got up, it is mixed by a certain percentage by pitch and rubber powder, there is the performances such as high-temperature stability, low temperature flexibility, ageing resistance, fatigue resistance, water resistant damage property, be mainly used in stress absorbing layer and surface course in road structure.Compared with traditional pitch, rubber asphalt can improve greatly the high-temperature stability on road surface, improves low-temperature cracking-resistance and the rutting resistance on road surface, extends the application life of road, reduces maintenance costs.Meanwhile, the application of rubber asphalt, can make a large amount of discarded junked tires be recycled utilization, is comparatively desirable environment-friendly type ground surface material.At present, rubber asphalt is to be pulverized the rubber powder obtaining by physics mode by junked tire protoplasm, combine in certain thickness grating ratio, then add multiple high polymer modifier, under hot conditions (200 ℃ of left and right), through mixing arrangement and the abundant mix of multi-stage reacting kettle, make that rubber powder and matrix pitch are fully molten swollen reacts that about 60min is above could be formed, manufacturing process temperature is high, length consuming time, energy consumption is high, not only comparison in equipment is complicated and be easy to aging, and in long swelling reaction, matrix pitch easily produces degradation and decomposition, can discharge BaP, the pernicious gases such as glance coal, environment is caused to severe contamination, in addition, existing processing method is only uniformly mixed by shaft, rubber powder is difficult to reach fully with pitch and mixes, and causes rubber powder skewness in pitch medium, causes the indexs such as viscosity, softening point, ductility and the needle penetration of rubber asphalt to be difficult to reach application requirements.
Summary of the invention
The invention provides a kind of equipment of preparing rubber asphalt based on supercritical ultrasonics technology, solving traditional rubber asphalt preparing device high energy consumption, stir the defects such as inhomogeneous, swelling time length, high pollution, guarantee rubber asphalt stable performance.
The equipment that the present invention prepares rubber asphalt comprises rubber powder conveyer, matrix pitch delivery pump and prepares case, the described case upper end of preparing is provided with rubber powder conveyer and exports the rubber powder charging aperture being connected and the matrix pitch charging aperture being connected with matrix pitch delivery pump outlet, prepares case lower end and is provided with rubber asphalt discharging opening; Be provided with from top to bottom multiple heating panels and multiple ultrasonic module described preparation in case; Described each ultrasonic module comprises ultrasonic vibration plate, the ultrasonic vibration plate be arrangeding in parallel up and down and is connected in the ultrasonic transducer between this two plate, the bottom of ultrasonic transducer connects ultrasonic wave expelling plate, upper end is connected with ultrasonic vibration plate by bolt, and ultrasonic transducer is linked to be circuit by wire and ultrasonic power.
Preparing in case, described heating panel and ultrasonic module from top to bottom at certain intervals distance arrange, wherein, in case, top and bottom are respectively provided with a heating panel, every 1～4 ultrasonic module, a heating panel are set therebetween.
Described heating panel and ultrasonic module are one end and are fixed on and prepare on tank wall face, and the other end is with unsettled under 5 °～10 ° angles,
Preparing in case, from extremely the most next ultrasonic module of top heating panel, between adjacent each plate, be alternately separately fixed at each other on the two relative sidewalls of preparing case, described ultrasonic module is to be fixed on and to prepare on the corresponding wall of case with one end of ultrasonic wave expelling plate.
Described heating panel contains cavity, is provided with heat conduction coiled pipe in cavity, two auspicious import and the heat-conducting medium outlets that are respectively heat-conducting medium of coiled pipe.
Described rubber powder conveyer is helical feed machinery.
The described rubber asphalt discharging opening of preparing case is provided with bleeder valve.
The equipment that the present invention prepares rubber asphalt adopts ultrasonic module to substitute conventional hybrid device and multi-stage reacting kettle, utilize ultrasonic transducer to carry out power conversion, make high-frequency electrical energy be converted into mechanical energy, convert the electrical power of input to mechanical output (being ultrasonic wave), be passed in the matrix pitch and rubber powder of preparing in case by expelling plate and vibrating plate again, make the two abundant mixture, stir, and ultrasonic transducer self consumes little power; And heat temperature raising speed is fast, the reaction time shortens (only needing 5-10min), compared with prior art, can reduce by a relatively large margin heating-up temperature.This device structure is simple, and energy consumption is low, and can effectively prevent aging under long-time HTHP of matrix pitch, solved tradition prepare in rubber asphalt technique, stir inhomogeneous, swelling time long, the problem of unstable properties.
Accompanying drawing explanation
Fig. 1 is the example structure schematic diagram that the present invention prepares rubber asphalt device;
Fig. 2 is the structural representation of ultrasonic module;
Fig. 3 is the internal construction schematic diagram of heating panel.
In figure, 1-asphalt storage tank, 2-asphalt delivery pipe, 3-prepare case, 4-helical conveyor, 5-ultrasonic module, 5a-ultrasonic vibration plate, 5b-ultrasonic wave expelling plate, 5c-ultrasonic transducer, 6,6-1,6-2-heating panel, 7,8-ultrasonic power, 9-rubber asphalt outlet valve, 10-asphalt delivery pump, 11-pitch delivery valve, 12-bolt, 13-heat conduction coiled pipe, the import of 13a-heat-conducting medium, the outlet of 13b-heat-conducting medium.
The specific embodiment
First by reference to the accompanying drawings present device is further illustrated below.
As Fig. 1, the rubber powder charging aperture of preparing case 3 upper ends is connected with helical conveyor 4, the asphalt delivery pipe 2 that matrix pitch charging aperture exports with matrix pitch delivery pump 10 is connected, the top of preparing case 3 is provided with a heating panel 6-1, bottom is provided with a heating panel 6-2, every two ultrasonic module 5, a heating panel 6 is set therebetween, distance is arranged at certain intervals from top to bottom.The structure of ultrasonic module 5 is as Fig. 2, it comprises ultrasonic vibration plate 5a, the ultrasonic wave expelling plate 5b and the ultrasonic transducer 5c that be arranged in parallel up and down, the bottom of ultrasonic transducer 5c connects ultrasonic wave expelling plate 5b, upper end is connected with ultrasonic vibration plate 5a by bolt 12, ultrasonic transducer 5c is linked to be circuit (referring to Fig. 1) by wire and ultrasonic power 7 or ultrasonic power 8, the tranmitting frequency of ultrasonic transducer 5c is 30KHz-50KHz, and power is 1k-2kw/m
3, in ultrasonic module 5, the quantity of ultrasonic transducer 5c and arrangement form thereof can arrange as required.Continue to see Fig. 1, heating panel 6-1 and each ultrasonic module 5 and each heating panel 6 are one end and are fixed on and prepare on tank wall face, the other end is with unsettled under 5 °～10 ° angles, and each ultrasonic module 5 is to be fixed on the wall of preparing case 3 with one end of ultrasonic wave expelling plate 5b., between adjacent each plate, be alternately separately fixed at each other on the two relative sidewalls of preparing case 3 to a ultrasonic module 5 bottom from top heating panel 6-1.
Fig. 3 represents the heating panel structural representation of (comprising each heating panel 6 and heating panel 6-1,6-2).As Fig. 3, heating panel 6 contains cavity, is provided with the heat conduction coiled pipe 13 of continuous bend in cavity, the outlet 13b that import 13 a that one end of heat conduction coiled pipe 13 is heat-conducting medium and the other end are heat-conducting medium.In the present embodiment, 3 heat-conducting mediums in heat conduction coiled pipe 1 are conduction oils.
The present invention is based on below in conjunction with accompanying drawing explanation the operating principle that supercritical ultrasonics technology is prepared the equipment of rubber asphalt.
First start conduction oil and heat up and the circulating system, start ultrasonic power 7 and ultrasonic power 8, make each ultrasonic transducer 5c energising work, start subsequently helical conveyor 4 and asphalt delivery pump 10.
Prepare case 3 through mechanical disintegration to the waste rubber powder of certain particle size scope by helical conveyor 4 inputs; Meanwhile,, also input and prepare in case 3 by asphalt delivery pipe 2 through pitch delivery valve 12, asphalt delivery pump 10 from the heated bitumen (150 ℃ of left and right) of asphalt storage tank 1.Heated bitumen and rubber powder drop on simultaneously to be prepared the upper heated mixing of heating panel 6-1 of case 3 the tops and flows towards the low side of heating panel 6-1 along the plate tilting, and drops to subsequently in the ultrasonic module 5 of its below.Ultrasonic wave expelling plate 5b and ultrasonic vibration plate 5a are passed to dither ripple in matrix pitch and rubber powder, and the two is fully mixed, and stir; Simultaneously compound flows and falls in next ultrasonic module being adjacent towards the low side of heating panel 6-1 along the plate tilting, and dither occurs with keeping and further mixes; Same principle, heated when mixture continues to fall on the next heating panel 6 being adjacent.So, pitch and rubber powder mixture constantly automatically step by step tray flow downward, finally fall on the bottom hot plate 6-2 for preparing case 3.In above flow process, heating panel can make material keep uniform temperature, and by ultrasonic wave dither, rubber powder is evenly distributed in matrix pitch, can also make matrix pitch and rubber powder fully swelling.Finally, the rubber asphalt product of making is exported from the rubber asphalt outlet valve 9 of preparing case 3, enters in rubber asphalt storage device, can be directly used in pavement construction material.
Claims (8)
1. prepare the equipment of rubber asphalt based on supercritical ultrasonics technology for one kind, comprise rubber powder conveyer, matrix pitch delivery pump and prepare case, the described case upper end of preparing is provided with rubber powder conveyer and exports the rubber powder charging aperture being connected and the matrix pitch charging aperture being connected with matrix pitch delivery pump outlet, prepares case lower end and is provided with rubber asphalt discharging opening; It is characterized in that be provided with from top to bottom multiple heating panels and multiple ultrasonic module described preparation in case; Described each ultrasonic module comprises ultrasonic vibration plate, the ultrasonic vibration plate be arrangeding in parallel up and down and is connected in the ultrasonic transducer between this two plate, the bottom of ultrasonic transducer connects ultrasonic wave expelling plate, upper end is connected with ultrasonic vibration plate by bolt, and ultrasonic transducer is linked to be circuit by wire and ultrasonic power.
2. the equipment of preparing rubber asphalt based on supercritical ultrasonics technology according to claim 1, it is characterized in that preparing in case, described heating panel and ultrasonic module are from top to bottom at certain intervals apart from arranging, wherein, in case, top and bottom are respectively provided with a heating panel, every 1～4 ultrasonic module, a heating panel are set therebetween.
3. the equipment of preparing rubber asphalt based on supercritical ultrasonics technology according to claim 2, is characterized in that described preparation in case, and heating panel and ultrasonic module are one end and are fixed on and prepare on tank wall face, and the other end is with unsettled under 5 °～10 ° angles; Described ultrasonic module is to be fixed on and to prepare on the corresponding wall of case with one end of ultrasonic wave expelling plate.
4. the equipment of preparing rubber asphalt based on supercritical ultrasonics technology according to claim 3, it is characterized in that described preparation in case,, between adjacent each plate, be alternately separately fixed at each other on the two relative sidewalls of preparing case to the most next ultrasonic module from top heating panel.
5. the equipment of preparing rubber asphalt based on supercritical ultrasonics technology according to claim 4, is characterized in that arrange a heating panel every two ultrasonic module described preparation in case.
6. the equipment of preparing rubber asphalt based on supercritical ultrasonics technology according to claim 5, is characterized in that described heating panel contains cavity, is provided with heat conduction coiled pipe in cavity, two auspicious import and the heat-conducting medium outlets that are respectively heat-conducting medium of coiled pipe.
7. the equipment of preparing rubber asphalt based on supercritical ultrasonics technology according to claim 6, is characterized in that described rubber powder conveyer is helical feed machinery.
8. the equipment of preparing rubber asphalt based on supercritical ultrasonics technology according to claim 7, is characterized in that the described rubber asphalt discharging opening of preparing case is provided with bleeder valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410089388.7A CN103821063B (en) | 2014-03-12 | 2014-03-12 | A kind of equipment preparing rubber asphalt based on supercritical ultrasonics technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410089388.7A CN103821063B (en) | 2014-03-12 | 2014-03-12 | A kind of equipment preparing rubber asphalt based on supercritical ultrasonics technology |
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| Publication Number | Publication Date |
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| CN103821063A true CN103821063A (en) | 2014-05-28 |
| CN103821063B CN103821063B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410089388.7A Expired - Fee Related CN103821063B (en) | 2014-03-12 | 2014-03-12 | A kind of equipment preparing rubber asphalt based on supercritical ultrasonics technology |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371784A (en) * | 2018-11-02 | 2019-02-22 | 哈尔滨工业大学 | The selection method of asphalt vibration mixing device and optimal vibration mix parameter |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03257205A (en) * | 1990-03-07 | 1991-11-15 | Sato Doro Kk | Manufacturing method for asphalt mixture |
| ES2023605A6 (en) * | 1990-11-27 | 1992-01-16 | Ruiz Tarragona Jose Manuel | Process for modifying bitumens by means of additives |
| CN2263546Y (en) * | 1996-03-08 | 1997-10-01 | 徐明东 | Ultrasonic transducer |
| CN2782206Y (en) * | 2005-04-29 | 2006-05-24 | 张燕珊 | Ultrasonic stirrer |
| CN101091888A (en) * | 2007-05-15 | 2007-12-26 | 刘廷国 | Mixer for asphalt and rubber powder in equipment for producing rubber asphalt |
| CN201588163U (en) * | 2010-01-26 | 2010-09-22 | 菏泽市公路管理局工程三处 | Rubber asphalt producing device |
| CN202323630U (en) * | 2011-10-26 | 2012-07-11 | 四川正中路面科技有限公司 | Portable type movable and horizontal rubber asphalt production equipment |
| CN203096561U (en) * | 2013-01-28 | 2013-07-31 | 甘肃路桥建设集团养护科技有限责任公司 | Rubber powder and asphalt forcible pre-mixing device in rubber asphalt preparation process |
| CN203295928U (en) * | 2013-06-07 | 2013-11-20 | 甘肃路桥建设集团养护科技有限责任公司 | Equipment for producing rubber asphalt by thermal swelling method |
| CN203741676U (en) * | 2014-03-12 | 2014-07-30 | 南京工业大学 | Equipment for preparing rubber asphalt based on ultrasonic method |
-
2014
- 2014-03-12 CN CN201410089388.7A patent/CN103821063B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03257205A (en) * | 1990-03-07 | 1991-11-15 | Sato Doro Kk | Manufacturing method for asphalt mixture |
| ES2023605A6 (en) * | 1990-11-27 | 1992-01-16 | Ruiz Tarragona Jose Manuel | Process for modifying bitumens by means of additives |
| CN2263546Y (en) * | 1996-03-08 | 1997-10-01 | 徐明东 | Ultrasonic transducer |
| CN2782206Y (en) * | 2005-04-29 | 2006-05-24 | 张燕珊 | Ultrasonic stirrer |
| CN101091888A (en) * | 2007-05-15 | 2007-12-26 | 刘廷国 | Mixer for asphalt and rubber powder in equipment for producing rubber asphalt |
| CN201588163U (en) * | 2010-01-26 | 2010-09-22 | 菏泽市公路管理局工程三处 | Rubber asphalt producing device |
| CN202323630U (en) * | 2011-10-26 | 2012-07-11 | 四川正中路面科技有限公司 | Portable type movable and horizontal rubber asphalt production equipment |
| CN203096561U (en) * | 2013-01-28 | 2013-07-31 | 甘肃路桥建设集团养护科技有限责任公司 | Rubber powder and asphalt forcible pre-mixing device in rubber asphalt preparation process |
| CN203295928U (en) * | 2013-06-07 | 2013-11-20 | 甘肃路桥建设集团养护科技有限责任公司 | Equipment for producing rubber asphalt by thermal swelling method |
| CN203741676U (en) * | 2014-03-12 | 2014-07-30 | 南京工业大学 | Equipment for preparing rubber asphalt based on ultrasonic method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371784A (en) * | 2018-11-02 | 2019-02-22 | 哈尔滨工业大学 | The selection method of asphalt vibration mixing device and optimal vibration mix parameter |
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| CN103821063B (en) | 2016-03-23 |
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Granted publication date: 20160323 |
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