CN103923472B - Two-period form warm-mixing rubber-asphalt method and goods thereof - Google Patents
Two-period form warm-mixing rubber-asphalt method and goods thereof Download PDFInfo
- Publication number
- CN103923472B CN103923472B CN201310012026.3A CN201310012026A CN103923472B CN 103923472 B CN103923472 B CN 103923472B CN 201310012026 A CN201310012026 A CN 201310012026A CN 103923472 B CN103923472 B CN 103923472B
- Authority
- CN
- China
- Prior art keywords
- rubber
- asphalt
- warm
- mixing
- goods
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention discloses a kind of two-period form warm-mixing rubber-asphalt method, it comprises the following steps: 1) preparing material；2) heating mixing；3) add readymade oil and carry out first stage reaction；4) adding RH Colophonium warm mix modifying agent and carry out second stage reaction, viscosity reduction processes；Also disclose a kind of implement this preparation method prepare goods；The technique of method provided by the invention is simple and easy, it is easily achieved, and efficiency is high, under the premise ensureing pavement performance, adopt two kinds of auxiliary agents in two stages rubber asphalt to be modified, effectively reduce the reaction temperature of rubber asphalt, reduce fuel consumption, reduce the discharge capacity of harmful gas and dust, reduce environmental pollution, improve construction environment；The present invention provides the viscosity of goods low, and reaction temperature is low, not only extends asphalt pavement construction season, alleviates asphalt aging, improve pavement performance, also effectively reduce the fuel energy consumption needed for compound production process, save the energy, reduce and mix and stir cost.
Description
Technical field
The invention belongs to rubber asphalt technical field, be specifically related to a kind of two-period form warm-mixing rubber-asphalt method and implement the goods that the method prepares.
Background technology
For a long time, the mode producing commonly used high temperature mix of asphalt for road, namely so-called " hot-laid mixture " (HMA), this process fuel consumption is many, and flue dust is big, severe contamination air.After 2000, China is from the warm mix technology (WMA) abroad having introduced asphalt.This technology, by adding special surfactant material in Process of Pitch Mixture Production, makes bituminous mixture temperature be greatly reduced, maximum up to more than 40 DEG C, thus being substantially reduced fuel consumption, reducing toxic emission, being widely applied.
Rubber asphalt is the modified pitch generated with the fusion reaction under certain condition of generic media Colophonium after junked tire is processed into the rubber powder of certain fineness; this technology originates from the U.S. in the sixties in last century; the good pavement performance having due to it and the special role in solving damaged tire solid pollution, the saving energy, protection environment; thus in the various methods of asphalt modification, occupy consequence, developed rapidly in the world in recent years.The maximum feature of this material is exactly viscosity height, and viscosity is the ability of fluid-resistance deformation.For asphalt material, temperature is more high, and viscosity is more low, therefore to ensure the production of rubber asphalt itself and compound thereof, it is necessary to take the mode of high temperature.Traditional rubber Colophonium and compound production technology thereof be: matrix pitch is heated to more than 190 DEG C, add waste rubber tyre powder, reactor is entered after the two mixing, reaction temperature is at about 190 DEG C, response time is more than 45 minutes, subsequently rubber asphalt is flowed to asphalt mixing building and carries out the production of compound, compound mix and stir temperature at about 180 DEG C.Whole production process fuel consumption is big, and toxic emission is many, and owing to rubber has very strong zest taste.2005 start, the domestic research also having carried out warm-mixing rubber-asphalt mixture, achieve certain achievement.But existing method is substantially the technical thought continuing to use " WMA ", by adding surfactant in compound production process, make the production temperature of compound reduce about 30 DEG C, and the production process of rubber asphalt itself does not have any energy-saving and emission-reduction.
Summary of the invention
For above-mentioned deficiency, one of the object of the invention is in that, it is provided that a kind of technique is simple and easy, it is easy to accomplish, effectively reduce the reaction temperature of rubber asphalt, reduce fuel consumption, reduce toxic emission and the two-period form warm-mixing rubber-asphalt method that efficiency is high；
The object of the invention also resides in, it is provided that a kind of implement above-mentioned two-period form warm-mixing rubber-asphalt method prepare goods.The viscosity of these goods is low, and reaction temperature is low, effectively reduces the fuel energy consumption needed for compound production process
For achieving the above object, technical scheme provided by the present invention is:
A kind of two-period form warm-mixing rubber-asphalt method, it is characterised in that it comprises the following steps:
(1) preparing material: each component of raw material and percentage by weight thereof are as follows:
Matrix pitch 75～80%,
Waste rubber tyre powder 16～20%,
Readymade oil 1～3%,
RH Colophonium warm mix modifying agent 1～3%；
(2) heating mixing: matrix pitch is heated to more than 190 DEG C, is then added in this matrix pitch by waste rubber tyre powder, and stir, prepares rubber asphalt mixture；
(3) first stage reaction: rubber asphalt mixture is added reactor, is then added by readymade oil in this reactor, is heated stirring under 170-180 DEG C of condition；
(4) second stage reaction: RH Colophonium warm mix modifying agent is added in rubber asphalt mixture, to be mixed uniformly after, prepare warm-mixing rubber-asphalt goods.
As a modification of the present invention, it also includes step (5): warm-mixing rubber-asphalt goods flowing to asphalt mixing plant and then mixes and stirs mutually with predetermined compound, the temperature mixed and stirred is 155～165 DEG C.
As a modification of the present invention, described step (3) specifically includes following steps:
(3.1) after rubber asphalt mixture being added reactor, adding in this reactor by readymade oil, this reactor is incubated at 170～180 DEG C at once；
(3.2) reactor is stirred action 20～60 minutes, after waste rubber tyre powder light oil in absorbing readymade oil divides, waste rubber tyre powder produces swelling reaction, the surface of waste rubber tyre powder forms gelinite, the volumetric expansion of waste rubber tyre powder own, simultaneously under the facilitation of readymade oil, the reaction temperature of matrix pitch drops to 170～180 DEG C accordingly, effectively shorten the response time, reduce Fuel Consumption.
As a modification of the present invention, described step (4) specifically includes following steps:
(4.1) RH Colophonium warm mix modifying agent is added in rubber asphalt mixture；
(4.2) reactor is stirred action 5～10 minutes, under RH Colophonium warm mix modifying agent effect, the decrease in viscosity of rubber asphalt mixture, reduces Fuel Consumption, after stirring, prepares warm-mixing rubber-asphalt goods.
As a modification of the present invention, the reaction temperature of described rubber asphalt mixture drops to 155～165 DEG C.
A kind of implement above-mentioned two-period form warm-mixing rubber-asphalt method prepare goods, its each component and percentage by weight thereof are as follows:
Matrix pitch 75～80%,
Waste rubber tyre powder 16～20%,
Readymade oil 1～3%,
RH Colophonium warm mix modifying agent 1～3%.
The invention have the benefit that the technique of method provided by the invention is simple and easy, it is easy to accomplish, and efficiency is high, under the premise ensureing pavement performance, adopt two kinds of auxiliary agents in two stages rubber asphalt to be modified, effectively reduce the reaction temperature of rubber asphalt, reduce fuel consumption, reduce toxic emission；The present invention provides the viscosity of goods low, and reaction temperature is low, effectively reduces the fuel energy consumption needed for compound production process.The present invention specifically has following benefit:
(1) save the energy, reduce and mix and stir cost.Owing to the production temperature reduction by more than 10 DEG C of rubber asphalt, response time shortening more than 50%, rubber-asphalt mixture mix and stir temperature and decline about 30 DEG C, building stones heating-up temperature, asphalt thermal insulation temperature decline, producing 1t compound and will save about 2.4L fuel oil, fuel cost declines about 25%.And effectively promote and mix workability, and then corresponding minimizing mixes and stirs energy consumption and mechanical loss.
(2) reduce the discharge capacity of harmful gas and dust, reduce environmental pollution, improve construction environment.
(3) prolongation asphalt pavement construction season.Owing to the difference of material temperature Yu ambient temperature reduces, Warm-Mix Bitumen Mixture stores, transportation cooling slows down, and can significantly extend the compacting time.
(4) alleviate asphalt aging, improve pavement performance.Research display, when temperature is higher than 100 DEG C, asphalt temperature often improves 10 DEG C, and its rate of ageing will improve 1 times, is processed by the cooling in two stages, and the catabiosis of rubber asphalt significantly reduces, such that it is able to improve the durability on road surface.
Below in conjunction with drawings and Examples, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the preparation flow figure of the present invention.
Detailed description of the invention
Embodiment 1: referring to Fig. 1, a kind of two-period form warm-mixing rubber-asphalt method that the present embodiment provides, it is characterised in that it comprises the following steps:
(1) preparing material: each component of raw material and percentage by weight thereof are as follows:
Matrix pitch 75～80%,
Waste rubber tyre powder 16～20%,
Readymade oil 1～3%,
RH Colophonium warm mix modifying agent 1～3%；
(2) heating mixing: matrix pitch is heated to more than 190 DEG C, is then added in this matrix pitch by waste rubber tyre powder, and stir, prepares rubber asphalt mixture；
(3) first stage reaction: rubber asphalt mixture is added reactor, is then added by readymade oil in this reactor, is heated stirring under 170-180 DEG C of condition；Described step (3) specifically includes following steps: after rubber asphalt mixture is added reactor by (3.1), adds in this reactor by readymade oil at once, and this reactor is incubated at 170～180 DEG C；(3.2) reactor is stirred action 20～60 minutes, preferably 20～30 minutes, after waste rubber tyre powder light oil in absorbing readymade oil divides, waste rubber tyre powder produces swelling reaction, and the surface of waste rubber tyre powder forms gelinite, the volumetric expansion of waste rubber tyre powder own, simultaneously under the facilitation of readymade oil, the reaction temperature of matrix pitch drops to 170～180 DEG C accordingly, effectively shortens the response time, reduces Fuel Consumption.This process Fuel Consumption can reduce about 30%.
(4) second stage reaction: RH Colophonium warm mix modifying agent is added in rubber asphalt mixture, to be mixed uniformly after, prepare warm-mixing rubber-asphalt goods.Described step (4) specifically includes following steps: RH Colophonium warm mix modifying agent is added in rubber asphalt mixture by (4.1)；(4.2) reactor is stirred action 5～10 minutes, under RH Colophonium warm mix modifying agent effect, the decrease in viscosity of rubber asphalt mixture, reduces Fuel Consumption, after stirring, prepares warm-mixing rubber-asphalt goods.The reaction temperature of described rubber asphalt mixture drops to 155～165 DEG C.
It also includes step (5): warm-mixing rubber-asphalt goods flow to asphalt mixing plant and then mixes and stirs mutually with predetermined compound, and as mineral aggregate mix produces asphalt etc., the temperature mixed and stirred is 155～165 DEG C.
A kind of implement above-mentioned two-period form warm-mixing rubber-asphalt method prepare goods, its each component and percentage by weight thereof are as follows:
Matrix pitch 75～80%,
Waste rubber tyre powder 16～20%,
Readymade oil 1～3%,
RH Colophonium warm mix modifying agent 1～3%.
Embodiment 2, the two-period form warm-mixing rubber-asphalt method of the present embodiment offer and goods thereof, its component and making step are substantially the same manner as Example 1, and it is different in that, each component of raw material and percentage by weight thereof are as follows:
Matrix pitch 78%,
Waste rubber tyre powder 18%,
Readymade oil 3%,
RH Colophonium warm mix modifying agent 1%.
Embodiment 3, the two-period form warm-mixing rubber-asphalt method of the present embodiment offer and goods thereof, its component and making step are substantially the same manner as Example 1, and it is different in that, each component of raw material and percentage by weight thereof are as follows:
Matrix pitch 80%,
Waste rubber tyre powder 16%,
Readymade oil 1%,
RH Colophonium warm mix modifying agent 3%.
Embodiment 4, the two-period form warm-mixing rubber-asphalt method of the present embodiment offer and goods thereof, its component and making step are substantially the same manner as Example 1, and it is different in that, each component of raw material and percentage by weight thereof are as follows:
Matrix pitch 75%,
Waste rubber tyre powder 20%,
Readymade oil 2.4%,
RH Colophonium warm mix modifying agent 2.6%.
Concrete, other embodiments are when carrying out each component ratio selection, it is possible to select according to actual needs in above-mentioned scope, to obtain the product of different specific performance feature.
Above-described embodiment is only the good embodiment of the present invention, and the present invention can not enumerate out whole embodiments, the technical scheme of one of all employing above-described embodiments, or according to the equivalent variations that above-described embodiment does, all in scope.
Preferably, the technical specification of described readymade oil is referring to table 1.
Table 1
Preferably, described RH warm-mixed asphalt modifying agent technical specification is referring to table 2.
Table 2
The technique of method provided by the invention is simple and easy, it is easy to accomplish, and efficiency is high, under the premise ensureing pavement performance, adopt two kinds of auxiliary agents in two stages rubber asphalt mixture to be modified, effectively reduce the reaction temperature of rubber asphalt mixture, reduce fuel consumption, reduce toxic emission；Rubber asphalt mixture adds RH Colophonium warm mix modifying agent, the warm mix know-why that RH Colophonium warm mix modifying agent is based on high temperature lubricating viscosity reduction, low temperature lattice strengthens, utilize cross-linked polyolefin, by reactive extrursion, rotate the techniques such as dispersion pelletize, preparation is to crack the warm-mixed asphalt material that polyethylene is base material, working viscosity under effective reduction is synthermal, thus reaching the effect of compacting smoothly at a lower temperature.
The present invention provides the viscosity of goods low, and reaction temperature is low, effectively reduces the fuel energy consumption needed for compound production process.The decrease in viscosity about 30% of rubber asphalt mixture after addition RH Colophonium warm mix modifying agent, the production temperature of compound is reduced to about 160 DEG C, produces 1t compound and will save about 2.4L fuel oil, and fuel cost declines about 25%.
The present invention specifically has following benefit:
(1) save the energy, reduce and mix and stir cost.Owing to the production temperature reduction by more than 10 DEG C of rubber asphalt, response time shortening more than 50%, rubber-asphalt mixture mix and stir temperature and decline about 30 DEG C, building stones heating-up temperature, asphalt thermal insulation temperature decline, producing 1t compound and will save about 2.4L fuel oil, fuel cost declines about 25%.And effectively promote and mix workability, and then corresponding minimizing mixes and stirs energy consumption and mechanical loss.
(2) reduce the discharge capacity of harmful gas and dust, reduce environmental pollution, improve construction environment.
(3) prolongation asphalt pavement construction season.Owing to the difference of material temperature Yu ambient temperature reduces, Warm-Mix Bitumen Mixture stores, transportation cooling slows down, and can significantly extend the compacting time.
(4) alleviate asphalt aging, improve pavement performance.Research display, when temperature is higher than 100 DEG C, asphalt temperature often improves 10 DEG C, and its rate of ageing will improve 1 times, is processed by the cooling in two stages, and the catabiosis of rubber asphalt significantly reduces, such that it is able to improve the durability on road surface.
As described in the above embodiment the present invention, same or similarity method and component are adopted and other warm-mixing rubber-asphalt method and goods of obtaining, all in scope.
Claims (5)
1. a two-period form warm-mixing rubber-asphalt method, it is characterised in that it comprises the following steps:
(1) preparing material: each component of raw material and percentage by weight thereof are as follows:
(2) heating mixing: matrix pitch is heated to more than 190 DEG C, is then added in this matrix pitch by waste rubber tyre powder, and stir, prepares rubber asphalt mixture；
(3) first stage reaction: rubber asphalt mixture is added reactor, is then added by readymade oil in this reactor, is heated stirring under 170-180 DEG C of condition；Described step (3) specifically includes following steps: after rubber asphalt mixture is added reactor by (3.1), adds in this reactor by readymade oil at once, and this reactor is incubated at 170～180 DEG C；(3.2) reactor is stirred action 20～60 minutes, after waste rubber tyre powder light oil in absorbing readymade oil divides, waste rubber tyre powder produces swelling reaction, the surface of waste rubber tyre powder forms gelinite, the volumetric expansion of waste rubber tyre powder own, simultaneously under the facilitation of readymade oil, the reaction temperature of matrix pitch drops to 170～180 DEG C accordingly, effectively shorten the response time, reduce Fuel Consumption；
(4) second stage reaction: RH Colophonium warm mix modifying agent is added in rubber asphalt mixture, to be mixed uniformly after, prepare warm-mixing rubber-asphalt goods.
2. two-period form warm-mixing rubber-asphalt method according to claim 1, it is characterized in that, it also includes step (5): warm-mixing rubber-asphalt goods flowing to asphalt mixing plant and then mixes and stirs mutually with predetermined compound, the temperature mixed and stirred is 155～165 DEG C.
3. two-period form warm-mixing rubber-asphalt method according to claim 1, it is characterised in that described step (4) specifically includes following steps:
(4.1) RH Colophonium warm mix modifying agent is added in rubber asphalt mixture；
(4.2) reactor is stirred action 5～10 minutes, under RH Colophonium warm mix modifying agent effect, the decrease in viscosity of rubber asphalt mixture, reduces Fuel Consumption, after stirring, prepares warm-mixing rubber-asphalt goods.
4. two-period form warm-mixing rubber-asphalt method according to claim 3, it is characterised in that the reaction temperature of described rubber asphalt mixture drops to 155～165 DEG C.
5. implement the goods that the described two-period form warm-mixing rubber-asphalt method of one of claim 1-4 prepares for one kind, it is characterised in that its each component and percentage by weight thereof are as follows:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310012026.3A CN103923472B (en) | 2013-01-14 | 2013-01-14 | Two-period form warm-mixing rubber-asphalt method and goods thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310012026.3A CN103923472B (en) | 2013-01-14 | 2013-01-14 | Two-period form warm-mixing rubber-asphalt method and goods thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103923472A CN103923472A (en) | 2014-07-16 |
| CN103923472B true CN103923472B (en) | 2016-07-13 |
Family
ID=51141879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310012026.3A Active CN103923472B (en) | 2013-01-14 | 2013-01-14 | Two-period form warm-mixing rubber-asphalt method and goods thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103923472B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11692916B2 (en) * | 2017-03-24 | 2023-07-04 | Gen-Probe Incorporated | System for mixing contents of containers and related methods of use |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1765998A (en) * | 2004-10-29 | 2006-05-03 | 中国石油化工股份有限公司 | Waste rubber powder modified asphalt composition and its preparation method |
| CN102587248A (en) * | 2012-03-12 | 2012-07-18 | 中交二公局第六工程有限公司 | Asphalt concrete paving process using relative humidity (RH) type warm mix asphalt (WMA) |
-
2013
- 2013-01-14 CN CN201310012026.3A patent/CN103923472B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1765998A (en) * | 2004-10-29 | 2006-05-03 | 中国石油化工股份有限公司 | Waste rubber powder modified asphalt composition and its preparation method |
| CN102587248A (en) * | 2012-03-12 | 2012-07-18 | 中交二公局第六工程有限公司 | Asphalt concrete paving process using relative humidity (RH) type warm mix asphalt (WMA) |
Non-Patent Citations (1)
| Title |
|---|
| 陈飞等.温拌橡胶沥青性能对比研究.《石油沥青》.2012,第26卷(第5期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103923472A (en) | 2014-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109053032A (en) | A kind of storage type asphalt pavement pit repairing material and preparation method thereof | |
| CN107117869A (en) | A kind of cold repairing asphalt mixture and preparation method thereof | |
| CN104211326A (en) | Regenerated warm mix asphalt mixture and preparation method thereof | |
| CN104003661B (en) | A kind of permeable reclaimed asphalt mixture pavior brick and preparation method thereof | |
| CN107698990B (en) | Ceramic polished brick powder modified asphalt prepared from industrial waste residues and preparation method thereof | |
| CN103145376B (en) | Crumb rubber powder composited regenerated all-weather road cold-patch material and production method thereof | |
| CN103204644B (en) | Warmly bitumen-mixed modifier and preparation method thereof | |
| CN100434479C (en) | Cold-mixing repairing material SBS pitch liquid for pit or slot of pitch road surface, and its producing technology | |
| CN105130280B (en) | A kind of rubber-asphalt mixture | |
| CN102558884A (en) | Rock asphalt modified asphalt and preparation method thereof | |
| CN103396669B (en) | Microwave desulfurization cracking rubber powder of waste tire composite modified asphalt and preparation method thereof | |
| CN104004367A (en) | Preparation method of modified asphalt | |
| CN110028802A (en) | A kind of asphalt modifier and preparation method thereof and the application in bituminous composition | |
| CN102850020B (en) | High temperature-resistant pavement mortar | |
| CN105948813A (en) | Foamed warm-mix recycled asphalt mixture and preparation method thereof | |
| CN103923472B (en) | Two-period form warm-mixing rubber-asphalt method and goods thereof | |
| CN102795807A (en) | High-definition asphalt pavement waste regeneration technology | |
| CN110272632A (en) | A kind of antifatigue modified pitch and preparation method thereof | |
| CN105330202A (en) | Preparation method of modified asphalt mixture | |
| CN102558879A (en) | Compound asphalt mixture wet-mixing additive and preparation method thereof | |
| CN105062105A (en) | Heat-resistant glass fiber asphalt shingle basic material and preparation method and application thereof | |
| CN104987738A (en) | Waste rubber modified asphalt | |
| CN105060926B (en) | The preparation method of foamed asphalt warm mix concrete | |
| CN107814512A (en) | A kind of asphalt cold repairing gathers materials and preparation method thereof | |
| CN111138878A (en) | Warm-mix modified rubber asphalt and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |