CN106832497B - A kind of rubberized asphalt pellets regenerative agent and its preparation process and device - Google Patents
A kind of rubberized asphalt pellets regenerative agent and its preparation process and device Download PDFInfo
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- CN106832497B CN106832497B CN201710108502.XA CN201710108502A CN106832497B CN 106832497 B CN106832497 B CN 106832497B CN 201710108502 A CN201710108502 A CN 201710108502A CN 106832497 B CN106832497 B CN 106832497B
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- regenerative agent
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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 Machines (AREA)
- Road Paving Structures (AREA)
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Abstract
A kind of rubberized asphalt pellets regenerative agent, including：50~60 parts of rubber powder, 10~20 parts of road level pitch, 20~25 parts of agstone, 5~10 parts of white lime.The regenerative agent of the invention, using preceding without first heating and melting, need to only be added in RAP, the heating and melting together with RAP, play the role of reduction and improve performance of asphalt mixture in proportion.The preparation process of the rubberized asphalt pellets regenerative agent, including：50~60 parts of rubber powder is first heated to 180 DEG C；Then 10~20 parts of road level pitch is sprayed into be mixed 15 minutes；20~25 parts of agstones are added be mixed 5 minutes；Mixture is subjected to cooling and stirring, mixture is cooled to 30 DEG C；5~10 parts of slaked lime under agitation is eventually adding 5 minutes, up to rubberized asphalt pellets regenerative agent.The preparation process 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
The present invention relates to pavement construction Material Field, specifically refers to a kind of rubberized asphalt pellets regenerative agent and its preparation
Technique and device.
Background technology
Common bituminous paving is typically designed service life about 15 years, when pavement quality can not meet driving demand
Generally require to repair bituminous paving or remove old pavement material by mechanical equipment and be laid with again again.These are old
Asphalt pavement material（Hereinafter referred to as RAP）It can generally be recycled.Before recycling, it can generally pass through laboratory equipment
Bituminous concrete surface in RAP is stripped, chemically examine, is evaluated.Pitch in usual RAP can be due to exposing to the weather and vehicle for a long time
Repeatedly roll for a long time and lose fractions so as to reduce pavement performance.In order to enable 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 for liquid or semi liquid state, need to carry before the use when adding mixture at present
It is preceding this kind of regenerative agent is first subjected to heating it is melted into liquid, then metering is carried out according still further to grading requirement and weighed, most
It is stirred afterwards by pumping to spray into equipment with RAP.This regenerative agent applies the shortcoming when pit-hole is repaired in road surface on the spot very prominent
Go out, be mainly reflected in：1st, the live such regenerative agent of heating and melting, which compares, expends the time.When the 2nd, repairing pit-hole on the spot on road surface, if
Standby often movable type, for portable equipment, it is desirable to which improving the measuring accuracy of regenerative agent weighing balance needs to move in equipment
Again school scale when moving new building site.Live school scale one expends time length, and two are limited by conditions such as personnel, environment,
School scale precision is difficult to be guaranteed.For this reason, we provide a kind of rubberized asphalt pellets regenerative agent and its preparation process and device.
The content of the invention
The present invention provides a kind of rubberized asphalt pellets regenerative agent and its preparation process and device, its main purpose are 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 adopts the following technical scheme that：
A kind of rubberized asphalt pellets regenerative agent, is prepared in parts by weight by following components：50~60 parts of rubber powder, road
Road 10~20 parts of pitch of level, 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 process of above-mentioned rubberized asphalt pellets regenerative agent, includes the following steps：
（1）50~60 parts of rubber powder is first heated to 180 DEG C；
（2）Then 10~20 parts of road level pitch is sprayed into be mixed 15 minutes；
（3）20~25 parts of agstones are added be mixed 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 middle slaked lime under agitation for adding 5~10 parts 5 minutes, regenerates up to rubberized asphalt pellets
Agent.
Further, above-mentioned steps（2）And step（3）Whipping temp control at 180~220 DEG C, and whipping process
In to material carry out high speed dispersion.
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 pumped by an asphalt distribution and is connected 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, is only needed in proportion
It is added in RAP, the heating and melting together with RAP, plays the role of reduction and improve performance of asphalt mixture.
2nd, using the rubberized asphalt pellets regenerative agent of inventive formulation, the especially ratio of increase agstone and white lime
Weight, can prevent the hardened of rubberized asphalt pellets regenerative agent, effectively improve the water stability and cracking resistance of asphalt.
3rd, the preparation process of rubberized asphalt pellets regenerative agent of the present invention, by the way of various components are added step by step, 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, saves process costs.
4th, the preparation facilities of rubberized asphalt pellets regenerative agent of the present invention, it is simple in structure, traditional Granulation Equipments is saved, is reduced
The input of equipment cost, improves the production efficiency of rubberized asphalt pellets regenerative agents.
Brief description of the drawings
Fig. 1 is the structure diagram of preparation facilities of the present invention.
Embodiment
Illustrate the embodiment of the present invention below.For the comprehensive understanding present invention, many details are described to below, but
To those skilled in the art, the present invention can be also realized without these details.For known component, method and process,
It is not described in detail below.
Embodiment 1
A kind of rubberized asphalt pellets regenerative agent, is prepared in parts by weight by following components：50 parts of rubber powder, road level
10 parts of pitch, 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 process of the rubberized asphalt pellets regenerative agent, includes the following steps：
（1）50 parts of rubber powder is first heated to 180 DEG C；
（2）Then 10 parts of road level pitch is sprayed into be mixed 15 minutes；
（3）20 parts of agstones are added be mixed 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 middle slaked lime under agitation for adding 5 parts 5 minutes, carries out material in whipping process dividing at a high speed
Dissipate, up to rubberized asphalt pellets regenerative agent.
Above-mentioned steps（2）And step（3）Whipping temp control at 200 DEG C, and material is carried out in whipping process high
Speed is scattered.
Embodiment 2
A kind of rubberized asphalt pellets regenerative agent, is prepared in parts by weight by following components：55 parts of rubber powder, road level
15 parts of pitch, 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 process of the rubberized asphalt pellets regenerative agent, includes the following steps：
（1）55 parts of rubber powder is first heated to 180 DEG C；
（2）Then 15 parts of road level pitch is sprayed into be mixed 15 minutes；
（3）22 parts of agstones are added be mixed 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 middle slaked lime under agitation for adding 8 parts 5 minutes, carries out material in whipping process dividing at a high speed
Dissipate, up to rubberized asphalt pellets regenerative agent.
Above-mentioned steps（2）And step（3）Whipping temp control at 180 DEG C, and material is carried out in whipping process high
Speed is scattered.
Embodiment 3
A kind of rubberized asphalt pellets regenerative agent, is prepared in parts by weight by following components：60 parts of rubber powder, road level
20 parts of pitch, 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 process of the rubberized asphalt pellets regenerative agent, includes the following steps：
（1）60 parts of rubber powder is first heated to 180 DEG C；
（2）Then 20 parts of road level pitch is sprayed into be mixed 15 minutes；
（3）25 parts of agstones are added be mixed 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 middle slaked lime under agitation for adding 10 parts 5 minutes, carries out at a high speed material in whipping process
It is scattered, up to rubberized asphalt pellets regenerative agent.
Above-mentioned steps（2）And step（3）Whipping temp control at 220 DEG C, and material is carried out in whipping process high
Speed is scattered.
The preparation facilities of above-mentioned a kind of rubberized asphalt pellets regenerative agent, with reference to Fig. 1, including rubber powder weigher 11, lime
Mountain 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 15 feed end of thermal agitation machine respectively, described
15 discharge end of thermal agitation machine, white lime weigher 14 are connected with cold 16 feed end of mixer respectively.
With continued reference to Fig. 1, above-mentioned heated bitumen weigher 13 is fed by asphalt distribution pump 131 with the thermal agitation machine 15
End connects, and 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.
The embodiment of the present invention is above are only, but the design concept of the present invention is not limited thereto, it is all to utilize this
Conceive the change that unsubstantiality is carried out to the present invention, the behavior for invading the scope of the present invention should all be belonged to.
Claims (9)
1. a kind of preparation process of rubberized asphalt pellets regenerative agent, it is characterised in that include the following steps：
（1）50~60 parts of rubber powder is first heated to 180 DEG C；
（2）Then 10~20 parts of road level pitch is sprayed into be mixed 15 minutes；
（3）20~25 parts of agstones are added be mixed 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 middle slaked lime under agitation for adding 5~10 parts 5 minutes, up to rubberized asphalt pellets regenerative agent.
A kind of 2. preparation process of rubberized asphalt pellets regenerative agent as claimed in claim 1, it is characterised in that：The rubber powder
Particle diameter is 2mm.
A kind of 3. preparation process of rubberized asphalt pellets regenerative agent described in claim 1, it is characterised in that：The agstone
Fineness be 200 mesh.
A kind of 4. preparation process of rubberized asphalt pellets regenerative agent as claimed in claim 1, it is characterised in that：The step
（2）And step（3）Whipping temp control at 180~220 DEG C, and in whipping process to material carry out high speed dispersion.
A kind of 5. preparation process of rubberized asphalt pellets regenerative agent as claimed in claim 1, it is characterised in that：The step
（4）High speed dispersion is carried out to material in whipping process.
A kind of 6. preparation facilities of rubberized asphalt pellets regenerative agent preparation process as claimed in claim 1, 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.
A kind of 7. preparation facilities of rubberized asphalt pellets regenerative agent preparation process as claimed in claim 6, it is characterised in that：Institute
Heated bitumen weigher is stated to be connected with the thermal agitation machine feed end by asphalt distribution pump.
A kind of 8. preparation facilities of rubberized asphalt pellets regenerative agent preparation process as claimed in claim 6, 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.
A kind of 9. preparation facilities of rubberized asphalt pellets regenerative agent preparation process as claimed in claim 6, it is characterised in that：Institute
State cold mixer discharge end and be 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 |
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| Publication Number | Publication Date |
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| CN106832497A CN106832497A (en) | 2017-06-13 |
| CN106832497B true CN106832497B (en) | 2018-04-24 |
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7303623B2 (en) * | 2005-05-20 | 2007-12-04 | Bailey William R | Pelleting lime fines with asphalt enhancing binders and methods of use in asphalt manufacturing |
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2017
- 2017-02-27 CN CN201710108502.XA patent/CN106832497B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN106832497A (en) | 2017-06-13 |
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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. |