CN101967790A - System for producing composite modified asphalt - Google Patents
System for producing composite modified asphalt Download PDFInfo
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- CN101967790A CN101967790A CN 201010534381 CN201010534381A CN101967790A CN 101967790 A CN101967790 A CN 101967790A CN 201010534381 CN201010534381 CN 201010534381 CN 201010534381 A CN201010534381 A CN 201010534381A CN 101967790 A CN101967790 A CN 101967790A
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Abstract
The invention relates to a system for producing modified asphalt in road engineering and discloses a system for producing composite modified asphalt. The system is characterized by comprising a matrix asphalt tank, a first asphalt pump, a primary heating tank, a secondary asphalt pump, a secondary heating tank, a mixing swelling tank, a third asphalt pump, a first valve, a development storage tank, a fourth asphalt pump and a second valve controlling discharge which are communicated in turn through a pipeline; a circulating pipeline is arranged between the inlet of the second valve and the mixing swelling tank; a third valve is arranged on the circulating pipeline; the two ends of the first valve are connected with a coarse glue mill and a fine glue mill in parallel; a fourth valve and a fifth valve are arranged on the inlet and the outlet of the secondary heating tank respectively; the inlet of the fourth valve and the outlet of the fifth valve are communicated with a bypass pipeline; a sixth valve is arranged on the bypass pipeline; and the swelling tank is communicated with the modifier feeder through a pipeline.
Description
Technical field
The present invention relates to the production system of highway construction, particularly a kind of production system of composite modified asphalt with modified bitumen.
Background technology
Increase day by day along with the rapid economy development and the traffic volume; the functional performance of road is required more and more higher, economize on resources and protect environment, reduce the traffic noise of road surface driving; prolong service life of road surface; improve the rutting resistance on road surface, reduce the reaction be full of cracks, increase the anti-slide performance on rainy day road surface; reduce maintenance costs; improve the driving comfort level, reduce the thickness of paving, these performance requirements provide direction to the study on the modification of bituminous material.Modified bitumen has performances such as high-temperature stability, low temperature flexibility, ageing resistance, fatigue resistance, anti-water damageability, is even more ideal environment-friendly type ground surface material.
At present, domestic and international existing modified bitumen production system adopts mostly mixes swelling can and grows the holding vessel realization, and adopts the heating of high temperature heat conductive oil pipe.Adding high temperature matrix pitch and modifier and stirring in mixing swelling can directly pump into the growth holding vessel then and store growth.Its shortcoming is: the speed that (1) matrix pitch adopts heat-conducting oil pipes to heat up separately is slower, and heat utilization efficiency is not high; (2) use the mixing swelling can to need long-time the stirring separately, production efficiency is lower, and the production cycle is long; (3) unidirectional production procedure causes the control of modified bitumen product difficult quality, and the mass discrepancy of each batch is big, is difficult to guarantee the quality requirement of building the road; (4) when the modified bitumen prescription changed, the adjusting range of technological parameter was narrow, production system poor for applicability.
Summary of the invention
The object of the present invention is to provide a kind of production system of composite modified asphalt, can be by dividing echelon heating matrix pitch, the heat utilization efficiency height, produce continuous high-efficient, and the technological process of production is alternative strong, the adjusting range of technological parameter is wide, and the applicability of production system is good, and the control of product quality uniformity easily.
In order to reach the foregoing invention purpose, the present invention is achieved by the following technical solutions.
A kind of production system of composite modified asphalt, it is characterized in that, comprise the matrix pitch jar that is communicated with successively by pipeline, first bitumenpump, second valve that once heats up jar, second bitumenpump, secondary temperature elevation jar, mixes swelling can, the 3rd bitumenpump, first valve, grows holding vessel, the 4th bitumenpump and control discharging; Be provided with circulating line between the inlet of described second valve and the mixing swelling can, circulating line is provided with the 3rd valve; The two ends of described first valve are parallel with thick rubber mill and thin rubber mill; The entrance and exit of described secondary temperature elevation jar is respectively arranged with the 4th valve and the 5th valve, is communicated with by-pass line between the 4th valve inlet and the 5th valve export, and by-pass line is provided with the 6th valve; Described swelling can is communicated with the modifier feeder by pipeline.
Further improvement of the present invention and characteristics are:
The heating power of described secondary temperature elevation jar is greater than the heating power of the jar that once heats up.
Described modifier feeder adopts the spiral feeder.
Described growth holding vessel is at least two.
Described growth holding vessel is communicated with the 5th bitumenpump and the surplus material of construction recycling can in turn by pipeline.
When described growth holding vessel is used for growing the storage rubber modified asphalt, adopt horizontal growth storage tank.
Among the present invention, mode of heating to matrix pitch adopts two jars that heat up, can improve matrix pitch and enter the temperature of mixing swelling can, and the heating power of secondary temperature elevation jar is greater than the heating power of the jar that once heats up, can improve the temperature of matrix pitch fast, reduce owing to heat the matrix pitch material ageing problem that causes for a long time; Also can make of the influence reduction of the modifier of the cold conditions that enters the mixing swelling can, improve swelling efficient swelling temperature; Simultaneously, once intensification jar, secondary temperature elevation jar can tandem use, be applicable to the production rubber modified asphalt, also but bypass secondary temperature elevation jar is applicable to the production of SBS modified bitumen, SBR modified bitumen, EVA modified bitumen, PE modified bitumen, sasobit (Sha Suobide) modified bitumen and two or more modifier composite modified asphalt.
Among the present invention, between mixing swelling can and growth holding vessel, be arranged in parallel first valve, thick rubber mill, thin rubber mill, can select difference dispersion hybrid modes, improve the compliance of system, the efficient of optimization system according to different technological requirements.
Among the present invention, at the inlet of second valve with mix between the swelling can and be provided with circulating line, circulating line is provided with the 3rd valve; When growing the defective or long-time storage generation of the modified bitumen quality examination performance indications decay of holding vessel, can the modified bitumen in the holding vessel be pumped into by circulation line and mix in the swelling can, add an amount of modifier by the coconnected modifier feeder of swelling can, mix swelling once more, optionally enter rubber mill, pump into storage and grow growth in the jar,, and then satisfy the quality requirement of building the road with the quality conformance of assurance modified bitumen.
Among the present invention, grow holding vessel and be communicated with the 5th bitumenpump and the surplus material of construction recycling can in turn, can conveniently reclaim the waste material in the construction by pipeline; Grow holding vessel and be at least two, can switch to use and grow holding vessel, produce continuously; Grow holding vessel and be used for growing when storing rubber modified asphalt, adopt horizontal growth holding vessel, its body rotation is stirred, and is beneficial to material dispersed and mixes; Grow holding vessel and be used for growing when storing other modified bitumens or composite modified asphalt, can adopt the growth holding vessel of traditional vertical structure, save equipment cost.
Description of drawings
Below in conjunction with the description of drawings and the specific embodiment the present invention is described in further details.
Fig. 1 is the structural representation of the production system of employing a kind of composite modified asphalt of the present invention; Wherein: P1, first bitumenpump; P2, second bitumenpump; P3, the 3rd bitumenpump; P4, the 4th bitumenpump; P5, the 5th bitumenpump; F1, first valve; F2, second valve; F3, the 3rd valve; F4, the 4th valve; F5, the 5th valve; F6, the 6th valve; F7, the 7th valve; F8, the 8th valve; F9, the 9th valve; F10, the tenth valve; F11, the 11 valve; F12, the 12 valve; F13, the 13 valve; F14, the 14 valve; F15, the 15 valve; F16, the 16 valve.
The specific embodiment
Composite modified asphalt production system in the present embodiment, mainly comprise matrix pitch jar, first bitumenpump, once heat up jar, secondary temperature elevation jar, mix swelling can, four growth holding vessels, 5 bitumenpumps, 16 valves.
Matrix pitch jar, the first bitumenpump P1, once heat up jar, the second bitumenpump P2, secondary temperature elevation jar, mixing swelling can is communicated with by pipeline successively, constitute the preheating and the carrying path of matrix pitch, and the entrance and exit of secondary temperature elevation jar is respectively arranged with the 4th valve F4 and the 5th valve F5, be communicated with by-pass line between the 4th valve F4 inlet and the 5th valve F5 outlet, by-pass line is provided with the 6th valve F6, the convenient system's conversion that realizes the production different modified asphalt.In other words, once intensification jar, secondary temperature elevation jar can tandem use, and the heating power of secondary temperature elevation jar is greater than the heating power of the jar that once heats up, can improve the temperature of matrix pitch fast, make of the influence reduction of the modifier of the cold conditions that enters the mixing swelling can to swelling temperature, improve swelling efficient, this mode is applicable to the production rubber modified asphalt; Also but bypass secondary temperature elevation jar only uses the jar that once heats up, and is applicable to the production of SBS modified bitumen, SBR modified bitumen, EVA modified bitumen, PE modified bitumen.
Mix swelling can and be communicated with the modifier feeder by pipeline, the modifier feeder adopts the spiral feeder, is used to realize the quantitative interpolation of modifier.The outlet that mixes swelling can is provided with the 3rd bitumenpump P3, and the outlet of the 3rd bitumenpump P3 divides three the tunnel to be communicated with the growth holding vessel.The first via directly is communicated with the growth holding vessel by pipeline, is used for traditional modified bitumen production technology, and its control realizes by the first valve F1; The second the tunnel by being communicated with the growth holding vessel behind the 7th valve F7 and the thick rubber mill, is used for the production technology of rubber modified asphalt; Third Road is by the 8th valve F8 and carefully be communicated with the growth holding vessel behind the rubber mill, is used for the production technology of high-level SBS modified bitumen, SBR modified bitumen, EVA modified bitumen, PE modified bitumen, sasobit (Sha Suobide) modified bitumen and two or more modifier composite modified asphalt.
In the present embodiment, four growth holding vessels in parallel have been adopted, respectively by four couples of valve (F9, F13), (F10, F14), (F11, F15), (F12, F16) realize switching use, wherein there are two to be that rubber modified asphalt is grown holding vessel,, adopt the growth storage tank of horizontal rotation stirring structure because of rubber modified asphalt viscosity is big, be beneficial to and mix, two is the growth holding vessel of other modified bitumens and composite modified asphalt thereof in addition, adopts the growth holding vessel of traditional vertical structure, saves equipment cost;
Four parallel connection outlets of growing holding vessel connect the 4th bitumenpump P4, the outlet of the 4th bitumenpump P4 is provided with the second valve F2, second valve F2 outlet is as discharging opening, be provided with circulating line between the inlet of the second valve F2 and the mixing swelling can, circulating line is provided with the 3rd valve F3, is used to control the switching of circulating line.Simultaneously, construction remains the material recycling can, the 5th bitumenpump P5 is communicated to four house stewards that grow holding vessels inlet front ends in turn, and surplus reusing of expecting is used to construct.
Although below in conjunction with the accompanying drawings embodiment of the present invention are described, the present invention is not limited to above-mentioned specific embodiments and applications field, and above-mentioned specific embodiments only is schematic, guiding, rather than restrictive.Those of ordinary skill in the art under the situation that does not break away from the scope that claim of the present invention protects, can also make a variety of forms under the enlightenment of this manual, these all belong to the row of the present invention's protection.
Claims (6)
1. the production system of a composite modified asphalt, it is characterized in that, comprise the matrix pitch jar that is communicated with successively by pipeline, first bitumenpump, second valve that once heats up jar, second bitumenpump, secondary temperature elevation jar, mixes swelling can, the 3rd bitumenpump, first valve, grows holding vessel, the 4th bitumenpump and control discharging; Be provided with circulating line between the inlet of described second valve and the mixing swelling can, circulating line is provided with the 3rd valve; The two ends of described first valve are parallel with thick rubber mill and thin rubber mill; The entrance and exit of described secondary temperature elevation jar is respectively arranged with the 4th valve and the 5th valve, is communicated with by-pass line between the 4th valve inlet and the 5th valve export, and by-pass line is provided with the 6th valve; Described swelling can is communicated with the modifier feeder by pipeline.
2. composite modified asphalt production system according to claim 1 is characterized in that, the heating power of described secondary temperature elevation jar is greater than the heating power of the jar that once heats up.
3. composite modified asphalt production system according to claim 1 is characterized in that, described modifier feeder adopts the spiral feeder.
4. composite modified asphalt production system according to claim 1 is characterized in that, described growth holding vessel is at least two.
5. composite modified asphalt production system according to claim 1 is characterized in that, described growth holding vessel is communicated with the 5th bitumenpump and the surplus material of construction recycling can in turn by pipeline.
6. composite modified asphalt production system according to claim 1 is characterized in that, when described growth holding vessel is used for growing the storage rubber modified asphalt, adopts horizontal growth holding vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010534381A CN101967790B (en) | 2010-11-08 | 2010-11-08 | System for producing composite modified asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010534381A CN101967790B (en) | 2010-11-08 | 2010-11-08 | System for producing composite modified asphalt |
Publications (2)
| Publication Number | Publication Date |
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| CN101967790A true CN101967790A (en) | 2011-02-09 |
| CN101967790B CN101967790B (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010534381A Expired - Fee Related CN101967790B (en) | 2010-11-08 | 2010-11-08 | System for producing composite modified asphalt |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691247A (en) * | 2012-06-07 | 2012-09-26 | 广西国创道路材料有限公司 | Asphalt development system |
| CN104560087A (en) * | 2015-01-21 | 2015-04-29 | 中化弘润石油化工有限公司 | Modified asphalt production system |
| CN105735090A (en) * | 2016-04-01 | 2016-07-06 | 北京盛广拓公路科技有限公司 | Pumping device and pumping method for regenerated emulsified asphalt |
| CN105733284A (en) * | 2016-04-07 | 2016-07-06 | 无锡华通沥青新技术发展有限公司 | Environment-friendly modified asphalt production system |
| CN106436529A (en) * | 2016-08-31 | 2017-02-22 | 天津领先正华能源科技发展有限公司 | Modified asphalt rapid heating system |
| CN107268385A (en) * | 2017-07-26 | 2017-10-20 | 湖北圣通石化有限公司 | A kind of modified pitch production line |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4218145A (en) * | 1979-03-14 | 1980-08-19 | Astec Industries, Inc. | Liquid asphalt weigh out system |
| CN201202062Y (en) * | 2008-04-16 | 2009-03-04 | 刘廷国 | Rubber asphalt production facility for continuous production |
| CN101418078A (en) * | 2008-12-11 | 2009-04-29 | 山东大山路桥工程有限公司 | Rubber powder modified asphalt device |
| CN201280534Y (en) * | 2008-06-05 | 2009-07-29 | 上海浦东路桥沥青材料有限公司 | SBS modified road pitch production device |
| CN101591473A (en) * | 2009-06-25 | 2009-12-02 | 李滢 | A kind of SBS modified asphalt production device and production method |
| CN201843046U (en) * | 2010-11-08 | 2011-05-25 | 陕西长大博源公路养护科技有限公司 | Production system of composite modified asphalt |
-
2010
- 2010-11-08 CN CN201010534381A patent/CN101967790B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4218145A (en) * | 1979-03-14 | 1980-08-19 | Astec Industries, Inc. | Liquid asphalt weigh out system |
| CN201202062Y (en) * | 2008-04-16 | 2009-03-04 | 刘廷国 | Rubber asphalt production facility for continuous production |
| CN201280534Y (en) * | 2008-06-05 | 2009-07-29 | 上海浦东路桥沥青材料有限公司 | SBS modified road pitch production device |
| CN101418078A (en) * | 2008-12-11 | 2009-04-29 | 山东大山路桥工程有限公司 | Rubber powder modified asphalt device |
| CN101591473A (en) * | 2009-06-25 | 2009-12-02 | 李滢 | A kind of SBS modified asphalt production device and production method |
| CN201843046U (en) * | 2010-11-08 | 2011-05-25 | 陕西长大博源公路养护科技有限公司 | Production system of composite modified asphalt |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691247A (en) * | 2012-06-07 | 2012-09-26 | 广西国创道路材料有限公司 | Asphalt development system |
| CN102691247B (en) * | 2012-06-07 | 2014-12-10 | 广西国创道路材料有限公司 | Asphalt development system |
| CN104560087A (en) * | 2015-01-21 | 2015-04-29 | 中化弘润石油化工有限公司 | Modified asphalt production system |
| CN105735090A (en) * | 2016-04-01 | 2016-07-06 | 北京盛广拓公路科技有限公司 | Pumping device and pumping method for regenerated emulsified asphalt |
| CN105735090B (en) * | 2016-04-01 | 2018-02-06 | 北京盛广拓公路科技有限公司 | Regenerate emulsified asphalt pumping equipment and pumping method |
| CN105733284A (en) * | 2016-04-07 | 2016-07-06 | 无锡华通沥青新技术发展有限公司 | Environment-friendly modified asphalt production system |
| CN105733284B (en) * | 2016-04-07 | 2018-08-10 | 无锡华通沥青新技术发展有限公司 | A kind of environment-friendly modified asphalt production system |
| CN106436529A (en) * | 2016-08-31 | 2017-02-22 | 天津领先正华能源科技发展有限公司 | Modified asphalt rapid heating system |
| CN107268385A (en) * | 2017-07-26 | 2017-10-20 | 湖北圣通石化有限公司 | A kind of modified pitch production line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101967790B (en) | 2012-10-03 |
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