CN106832497A - A kind of rubberized asphalt pellets regenerative agent and its preparation technology and device - Google Patents
A kind of rubberized asphalt pellets regenerative agent and its preparation technology and device Download PDFInfo
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- CN106832497A CN106832497A CN201710108502.XA CN201710108502A CN106832497A CN 106832497 A CN106832497 A CN 106832497A CN 201710108502 A CN201710108502 A CN 201710108502A CN 106832497 A CN106832497 A CN 106832497A
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- regenerative agent
- rubberized asphalt
- asphalt pellets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
- B29B7/823—Temperature control
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- Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Machines (AREA)
Abstract
A kind of rubberized asphalt pellets regenerative agent, including：50~60 parts of rubber powder, 10~20 parts of pitch of road level, 20~25 parts of agstone, 5~10 parts of white lime.The regenerative agent of the invention, need to be only added in RAP, the heating and melting together with RAP in proportion using preceding without first heating and melting, play a part of to reduce and improve performance of asphalt mixture.The preparation technology of the rubberized asphalt pellets regenerative agent, including：50~60 parts of rubber powder is first heated to 180 DEG C；Then the road level pitch for being sprayed into 10~20 parts mix 15 minutes；Adding 20~25 parts of agstones mix 5 minutes；Mixture is carried out into cooling and stirring, mixture is cooled to 30 DEG C；It is eventually adding 5~10 parts of slaked lime under agitation 5 minutes, obtains final product rubberized asphalt pellets regenerative agent.The preparation technology of the invention, eliminates the processing step of tradition granulation, while saving process costs, improves the production efficiency of rubberized asphalt pellets regenerative agent.
Description
Technical field
Specifically refer to a kind of rubberized asphalt pellets regenerative agent and its preparation the present invention relates to pavement construction Material Field
Technique and device.
Background technology
Common bituminous paving is typically designed service life about 15 years, when pavement quality cannot meet driving demand
Generally require to repair bituminous paving or remove old pavement material by plant equipment to be laid again again.These are old
Asphalt pavement material（Hereinafter referred to as RAP）Can typically be recycled.Before recycling, typically can be by laboratory equipment
Bituminous concrete surface in RAP is stripped, chemically examines, is evaluated.Pitch in usual RAP can be exposed to the weather and vehicle due to long-time
Repeatedly roll and lose fractions so as to reduce pavement performance for a long time.In order that obtain RAP can be extensive when recycling
The performance of restoration of old ways pitch, generally requires the regenerative agent for adding certain proportion and performance in its heating and melting or whipping process.
Common regenerative agent is required to be liquid or semi liquid state when compound is added at present, needs to carry before the use
The preceding regenerative agent by this class first carries out heating makes it be melted into liquid, then according still further to level with requiring that carrying out metering weighs, most
Afterwards by being stirred with RAP in pump penetrating equipment.This regenerative agent applies the shortcoming when pit-hole is repaired in road surface on the spot to dash forward very much
Go out, be mainly reflected in：1st, the live such regenerative agent of heating and melting compares the consuming time.2nd, when pit-hole is repaired in road surface on the spot, if
Standby often movable type, for portable equipment, it is desirable to which improving the measuring accuracy of regenerative agent weighing balance needs to be moved in equipment
Again school scale when moving new building site.Live school scale one is long to expend the time, and two are limited by conditions such as personnel, environment,
School scale precision is difficult to be guaranteed.Therefore, we provide a kind of rubberized asphalt pellets regenerative agent and its preparation technology and device.
The content of the invention
The present invention provides a kind of rubberized asphalt pellets regenerative agent and its preparation technology and device, and its main purpose is to overcome
The bitumen regenerant of existing liquid or semi liquid state needs heating and melting before the use, expends the time, and metering weighing precision is difficult to
The shortcomings of guarantee.
The present invention is adopted the following technical scheme that：
A kind of rubberized asphalt pellets regenerative agent, is prepared from by weight by following components：50~60 parts of rubber powder, road level
10~20 parts of pitch, 20~25 parts of agstone, 5~10 parts of white lime.
Further, above-mentioned rubber powder particle diameter is 2mm.
Further, the fineness of above-mentioned agstone is 200 mesh.
A kind of preparation technology of above-mentioned rubberized asphalt pellets regenerative agent, comprises the following steps：
（1）50~60 parts of rubber powder is first heated to 180 DEG C；
（2）Then the road level pitch for being sprayed into 10~20 parts mix 15 minutes；
（3）Adding 20~25 parts of agstones mix 5 minutes；
（4）By step（3）Mixture carry out cooling and stirring, mixture is cooled to 30 DEG C；
（5）Last past step（4）The slaked lime under agitation of middle 5~10 parts of addition 5 minutes, obtains final product rubberized asphalt pellets regenerative agent.
Further, above-mentioned steps（2）And step（3）Whipping temp control in 180~220 DEG C, and whipping process
In high speed dispersion is carried out to material.
Further, above-mentioned steps（4）High speed dispersion is carried out to material in whipping process.
A kind of preparation facilities of above-mentioned rubberized asphalt pellets regenerative agent, including rubber powder weigher, agstone weigher,
Heated bitumen weigher, white lime weigher, thermal agitation machine and cold mixer, the rubber powder weigher, agstone metering
Scale, heated bitumen weigher are connected with the thermal agitation machine feed end respectively, the thermal agitation machine discharge end, white lime weigher point
It is not connected with the cold mixer feed end.
Further, above-mentioned heated bitumen weigher is connected by an asphalt distribution pump with the thermal agitation machine feed end.
Further, a plurality of high-speed dispersing mechanisms are equipped with above-mentioned thermal agitation machine and the cold mixer.
Further, above-mentioned cold mixer discharge end is also associated with a finished product packing mechanism.
From the above-mentioned description of this invention, compared to the prior art, the invention has the advantages that：
1st, the rubberized asphalt pellets regenerative agent of the invention is solid-like, using preceding without first heating and melting, need to only be added in proportion
To in RAP, the heating and melting together with RAP plays a part of to reduce and improve performance of asphalt mixture.
2nd, using the rubberized asphalt pellets regenerative agent of inventive formulation, the ratio of agstone and white lime is especially increased
Weight, can prevent the hardened of rubberized asphalt pellets regenerative agent, effectively improve the water stability and cracking resistance of asphalt.
3rd, the preparation technology of rubberized asphalt pellets regenerative agent of the present invention, by the way of substep adds various components, makes rubber
Rubber powder, road level pitch and agstone are mixed, and after material is cooled to 30 DEG C, add white lime, make material shape
Into graininess, the processing step of tradition granulation is eliminated, save process costs.
4th, the preparation facilities of rubberized asphalt pellets regenerative agent of the present invention, simple structure, save traditional Granulation Equipments, reduce
The input of equipment cost, improves the production efficiency of rubberized asphalt pellets regenerative agent.
Brief description of the drawings
Fig. 1 is the structural representation of preparation facilities of the present invention.
Specific embodiment
Specific embodiment of the invention is illustrated below.For the comprehensive understanding present invention, many details are described to below, but
To those skilled in the art, the present invention can also be realized without these details.For known component, method and process,
Below it is not described in detail.
Embodiment 1
A kind of rubberized asphalt pellets regenerative agent, is prepared from by weight by following components：50 parts of rubber powder, road level pitch
10 parts, 20 parts of agstone, 5 parts of white lime.Wherein, rubber powder particle diameter is 2mm, and the fineness of agstone is 200 mesh.
The preparation technology of the rubberized asphalt pellets regenerative agent, comprises the following steps：
（1）50 parts of rubber powder is first heated to 180 DEG C；
（2）Then the road level pitch for being sprayed into 10 parts mix 15 minutes；
（3）Adding 20 parts of agstones mix 5 minutes；
（4）By step（3）Mixture carry out cooling and stirring, mixture is cooled to 30 DEG C；
（5）Last past step（4）The slaked lime under agitation of middle 5 parts of addition 5 minutes, high speed dispersion is carried out in whipping process to material,
Obtain final product rubberized asphalt pellets regenerative agent.
Above-mentioned steps（2）And step（3）Whipping temp control height is carried out to material at 200 DEG C, and in whipping process
Speed dispersion.
Embodiment 2
A kind of rubberized asphalt pellets regenerative agent, is prepared from by weight by following components：55 parts of rubber powder, road level pitch
15 parts, 22 parts of agstone, 8 parts of white lime.Wherein, rubber powder particle diameter is 2mm, and the fineness of agstone is 200 mesh.
The preparation technology of the rubberized asphalt pellets regenerative agent, comprises the following steps：
（1）55 parts of rubber powder is first heated to 180 DEG C；
（2）Then the road level pitch for being sprayed into 15 parts mix 15 minutes；
（3）Adding 22 parts of agstones mix 5 minutes；
（4）By step（3）Mixture carry out cooling and stirring, mixture is cooled to 30 DEG C；
（5）Last past step（4）The slaked lime under agitation of middle 8 parts of addition 5 minutes, high speed dispersion is carried out in whipping process to material,
Obtain final product rubberized asphalt pellets regenerative agent.
Above-mentioned steps（2）And step（3）Whipping temp control height is carried out to material at 180 DEG C, and in whipping process
Speed dispersion.
Embodiment 3
A kind of rubberized asphalt pellets regenerative agent, is prepared from by weight by following components：60 parts of rubber powder, road level pitch
20 parts, 25 parts of agstone, 10 parts of white lime.Wherein, rubber powder particle diameter is 2mm, and the fineness of agstone is 200 mesh.
The preparation technology of the rubberized asphalt pellets regenerative agent, comprises the following steps：
（1）60 parts of rubber powder is first heated to 180 DEG C；
（2）Then the road level pitch for being sprayed into 20 parts mix 15 minutes；
（3）Adding 25 parts of agstones mix 5 minutes；
（4）By step（3）Mixture carry out cooling and stirring, mixture is cooled to 30 DEG C；
（5）Last past step（4）The slaked lime under agitation of middle 10 parts of addition 5 minutes, high speed dispersion is carried out in whipping process to material,
Obtain final product rubberized asphalt pellets regenerative agent.
Above-mentioned steps（2）And step（3）Whipping temp control height is carried out to material at 220 DEG C, and in whipping process
Speed dispersion.
A kind of preparation facilities of above-mentioned rubberized asphalt pellets regenerative agent, reference picture 1, including rubber powder weigher 11, lime
Stone flour weigher 12, heated bitumen weigher 13, white lime weigher 14, thermal agitation machine 15 and cold mixer 16, the rubber
Powder weigher 11, agstone weigher 12, heated bitumen weigher 13 are connected with the feed end of thermal agitation machine 15 respectively, described
The discharge end of thermal agitation machine 15, white lime weigher 14 are connected with the feed end of cold mixer 16 respectively.
With continued reference to Fig. 1, above-mentioned heated bitumen weigher 13 is fed by an asphalt distribution pump 131 with the thermal agitation machine 15
End connection, a plurality of high-speed dispersing mechanisms 151 are equipped with thermal agitation machine 15 and the cold mixer 16.Cold mixer 16 discharges
End is also associated with a finished product packing mechanism 17.
Specific embodiment of the invention is above are only, but design concept of the invention is not limited thereto, it is all to utilize this
Design carries out the change of unsubstantiality to the present invention, all should belong to the behavior for invading the scope of the present invention.
Claims (10)
1. a kind of rubberized asphalt pellets regenerative agent, it is characterised in that be prepared from by weight by following components：Rubber powder 50
~60 parts, road level 10~20 parts of pitch, 20~25 parts of agstone, 5~10 parts of white lime.
2. a kind of rubberized asphalt pellets regenerative agent as claimed in claim 1, it is characterised in that：The rubber powder particle diameter is 2mm.
3. a kind of rubberized asphalt pellets regenerative agent described in claim 1, it is characterised in that：The fineness of the agstone is
200 mesh.
4. the preparation technology of a kind of rubberized asphalt pellets regenerative agent as described in claim 1-3 is any, it is characterised in that including
Following steps：
（1）50~60 parts of rubber powder is first heated to 180 DEG C；
（2）Then the road level pitch for being sprayed into 10~20 parts mix 15 minutes；
（3）Adding 20~25 parts of agstones mix 5 minutes；
（4）By step（3）Mixture carry out cooling and stirring, mixture is cooled to 30 DEG C；
（5）Last past step（4）The slaked lime under agitation of middle 5~10 parts of addition 5 minutes, obtains final product rubberized asphalt pellets regenerative agent.
5. a kind of preparation technology of rubberized asphalt pellets regenerative agent as claimed in claim 4, it is characterised in that：The step
（2）And step（3）Whipping temp control high speed dispersion is carried out to material at 180~220 DEG C, and in whipping process.
6. a kind of preparation technology of rubberized asphalt pellets regenerative agent as claimed in claim 4, it is characterised in that：The step
（4）High speed dispersion is carried out to material in whipping process.
7. a kind of preparation facilities of rubberized asphalt pellets regenerative agent preparation technology as claimed in claim 4, it is characterised in that：Bag
Rubber powder weigher, agstone weigher, heated bitumen weigher, white lime weigher, thermal agitation machine and cold mixer are included,
The rubber powder weigher, agstone weigher, heated bitumen weigher are connected with the thermal agitation machine feed end respectively, described
Thermal agitation machine discharge end, white lime weigher are connected with the cold mixer feed end respectively.
8. a kind of preparation facilities of rubberized asphalt pellets regenerative agent preparation technology as claimed in claim 7, it is characterised in that：Institute
Heated bitumen weigher is stated to be connected with the thermal agitation machine feed end by an asphalt distribution pump.
9. a kind of preparation facilities of rubberized asphalt pellets regenerative agent preparation technology as claimed in claim 7, it is characterised in that：Institute
State in thermal agitation machine and the cold mixer and be equipped with a plurality of high-speed dispersing mechanisms.
10. a kind of preparation facilities of rubberized asphalt pellets regenerative agent preparation technology as claimed in claim 7, it is characterised in that：
The cold mixer discharge end is also associated with a finished product packing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108502.XA CN106832497B (en) | 2017-02-27 | 2017-02-27 | A kind of rubberized asphalt pellets regenerative agent and its preparation process and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108502.XA CN106832497B (en) | 2017-02-27 | 2017-02-27 | A kind of rubberized asphalt pellets regenerative agent and its preparation process and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106832497A true CN106832497A (en) | 2017-06-13 |
| CN106832497B CN106832497B (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710108502.XA Active CN106832497B (en) | 2017-02-27 | 2017-02-27 | A kind of rubberized asphalt pellets regenerative agent and its preparation process and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423476A (en) * | 2019-08-12 | 2019-11-08 | 莒县东盛橡胶有限公司 | Road surface bonding rubber modified asphalt particle and its production method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060260508A1 (en) * | 2005-05-20 | 2006-11-23 | Bailey William R | Pelleting lime fines with asphalt enhancing binders and methods of use in asphalt manufacturing |
| CN104130587A (en) * | 2014-07-21 | 2014-11-05 | 武汉理工大学 | Rubber powder modified asphalt composition capsule |
| CN104311943A (en) * | 2014-09-26 | 2015-01-28 | 武汉理工大学 | Rubber modifier, rubber modified asphalt mixture and preparation method of rubber modifier |
| CN104403333A (en) * | 2014-11-10 | 2015-03-11 | 汪红兵 | Modified asphalt cement particle, preparation method and applications thereof |
| CN105733276A (en) * | 2014-12-10 | 2016-07-06 | 田建频 | A road crack repairing and filling agent |
-
2017
- 2017-02-27 CN CN201710108502.XA patent/CN106832497B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060260508A1 (en) * | 2005-05-20 | 2006-11-23 | Bailey William R | Pelleting lime fines with asphalt enhancing binders and methods of use in asphalt manufacturing |
| CN104130587A (en) * | 2014-07-21 | 2014-11-05 | 武汉理工大学 | Rubber powder modified asphalt composition capsule |
| CN104311943A (en) * | 2014-09-26 | 2015-01-28 | 武汉理工大学 | Rubber modifier, rubber modified asphalt mixture and preparation method of rubber modifier |
| CN104403333A (en) * | 2014-11-10 | 2015-03-11 | 汪红兵 | Modified asphalt cement particle, preparation method and applications thereof |
| CN105733276A (en) * | 2014-12-10 | 2016-07-06 | 田建频 | A road crack repairing and filling agent |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423476A (en) * | 2019-08-12 | 2019-11-08 | 莒县东盛橡胶有限公司 | Road surface bonding rubber modified asphalt particle and its production method |
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| Publication number | Publication date |
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| CN106832497B (en) | 2018-04-24 |
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Address after: 362000 No.1 intelligent equipment Industrial Park, Luojiang District, Heshi Town, Luojiang District, Quanzhou City, Fujian Province Patentee after: Fujian tietuo Machinery Co., Ltd Address before: 362000 Tong Xi industrial zone, Luojiang District, Fujian, Quanzhou Patentee before: FUJIAN TIETUO MACHINERY Co.,Ltd. |
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