CN103756337A - Production method and device of rubber powder modified asphalt - Google Patents
Production method and device of rubber powder modified asphalt Download PDFInfo
- Publication number
- CN103756337A CN103756337A CN201310540104.7A CN201310540104A CN103756337A CN 103756337 A CN103756337 A CN 103756337A CN 201310540104 A CN201310540104 A CN 201310540104A CN 103756337 A CN103756337 A CN 103756337A
- Authority
- CN
- China
- Prior art keywords
- rubber powder
- mixing tank
- modified asphalt
- tundish
- powder modified
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a production method and device of a rubber powder modified asphalt. The method comprises the following steps: step one, heating the matrix asphalt through a conduction oil heating mode to 190 +/- 10 DEG C and pumping the matrix asphalt into a mixing tank; step two, mixing; step three, carrying out a first grinding; and step four, carrying out a secondary grinding. The method has the advantage that the additional two steps of grinding process can effectively promote the combination between the rubber powder and asphalt, so as to realize continuous production and improve production efficiency. The invention also discloses a production device to improve production capacity of the rubber powder modified asphalt. The device includes a mixing tank, an intermediate tank, a feeding mechanism, a matrix asphalt pump system, a first grinding system and a secondary grinding system. The device has the advantages that the feeding mechanism, the mixing tank and the intermediate tank are in series connection with the pumping system to achieve continuous production, improve the degree of automation, and that accurate addition of the rubber powder is realized by controlling the feeding mechanism, so as to improve the quality of the product.
Description
Technical field
The present invention relates to rubber powder modified asphalt production technical field.
Background technology
Rubber powder modified asphalt (Asphalt Rubber is called for short AR) is a kind of novel high-quality matrix material.He is under the acting in conjunction of heavy traffic paving asphalt and using rubber powder of waste tire and admixture, rubber powder is by absorbing the resin in pitch, and the multiple organic matter such as hydro carbons, through a series of physical and chemical changes, make rubber powder moistening, expand, viscosity increases, and softening temperature improves, and taken into account the viscosity of rubber and pitch, toughness, elasticity, thus improved the pavement performance of rubber asphalt.
" rubber powder modified asphalt " is the rubber powder that junked tire is made, as properties-correcting agent, add in matrix pitch, in a special specific installation, through high temperature, the bonding material that a series of effects such as additive and shear-mixed are made, existing method is as follows, bitumenpump is extracted pitch out by asphalt storage tank (approximately 120-140 ℃), after thermal oil heat exchange, asphalt temperature rises to 160 ℃ and enters process furnace, pitch rises to 190 ℃ ± 10 ℃ after heating, enter mixing tank, when liquid level rises to 1/4 liquid level, add vulcanized rubber powder (30 order-40 order) add-on to be >=20%(inner blending method), after rubber powder adds, should add in time activator 0.3 ‰, after complete reaction, with colloidal mill, grinding for the first time and pour into high speed shear tank shears, high-speed mixing, after one hour, add vulcanizing agent and stablizer, after 30 minutes, pump into tundish, grow storage, wait for the qualified rear entrucking of chemical examination, can not realize continuous production, efficiency is low, and rubber powder adds manually and controls, the quality of quality modifying asphalt is unstable.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of rubber powder modified asphalt production method, by increasing regrind, improves the quality of rubber powder modified asphalt, and can realize continuous automatic production between each step, enhances productivity.
The technical problem that the present invention also will solve is to provide a kind of rubber powder modified asphalt production unit, by using variable frequency pump, colloidal mill that mixing tank and tundish are together in series, utilize feed mechanism automatic charging simultaneously, realize automatic production, raise the efficiency, improve the quality of rubber powder modified asphalt.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of rubber powder modified asphalt production method, comprises the steps:
Step 1, matrix pitch pump in mixing tank after being heated to 190 ± 10 ℃ by heat-conducting oil heating mode;
Step 4, grind for the second time, with pump, the mixture in mixing tank is pumped in the process of tundish and use colloidal mill to carry out regrind to mixture, after grinding, form rubber powder modified asphalt.
Matrix pitch in described step 1 is first preheated to 160 ℃ before formal heating.
The rubber powder that described step 2 kind adds is vulcanized rubber powder, and its granularity is 30-40 order.
Described additive is B-450 activator.
For solving the problems of the technologies described above, another technical scheme that the present invention takes is: a kind of rubber powder modified asphalt production unit, comprise mixing tank, tundish, feed mechanism, matrix pitch pumping system, grinding system and regrind system, described feed mechanism discharge port docks with mixing tank is suitable for reading, described matrix pitch pumping system discharge port docks with mixing tank opening for feed, a described grinding system feed end docks with mixing tank, one time grinding system discharge end docks with tundish opening for feed, described tundish discharge port docks with regrind system feeding end.
Described matrix pitch pumping system comprises the first variable frequency pump, hotline heater and the first flow meter of order serial connection successively.
A described grinding system comprises the second variable frequency pump and first colloidal mill of order serial connection successively, the opening for feed of the second variable frequency pump docks with the discharge port of mixing tank, the discharge port of the first colloidal mill docks with tundish opening for feed, described regrind system comprises the 3rd variable frequency pump and the second colloidal mill, and the opening for feed of the 3rd variable frequency pump docks with tundish discharge port.
Described feed mechanism comprises outlet and the mixing tank hopper docking suitable for reading and rotary conveyor.
Described tundish and mixing tank outer wall are can be by the hollow cavity of heating liquid.
It is as follows that rubber powder modified asphalt production method disclosed in this invention produces beneficial effect: by setting up regrind system at tundish output terminal, the rubber powder and asphalt mixing is carried out to regrind, can effectively promote the combination between rubber powder and matrix pitch, substitute conventional shearing, improve rubber powder and asphalt quality, in process of production simultaneously, realize continuously and producing, enhance productivity.
?it is as follows that rubber powder modified asphalt production unit disclosed in this invention produces beneficial effect: by by feed mechanism, mixing tank and pumping system for tundish, grinding system and regrind Cascade System, realize continuously and producing, improve level of automation, by controlling feed mechanism, realize in addition the accurate interpolation of rubber powder, improve rubber powder modified asphalt quality.
Accompanying drawing explanation
Fig. 1 is the device structure schematic diagram that improves rubber powder modified asphalt throughput in the present invention;
In the accompanying drawings: 1, feed mechanism; 2, hopper; 3, mixing tank; 4, first flow meter; 5, hotline heater; 6, the first variable frequency pump; 7, the second variable frequency pump; 8, the first colloidal mill; 9, the 3rd variable frequency pump; 10, the second colloidal mill; 11, tundish.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
In sum, disclosed by the invention is method and the specific equipment thereof that improves rubber powder modified asphalt throughput, and the method comprises the steps:
Step 1, matrix pitch pump in mixing tank 3 after being heated to 190 ± 10 ℃ by heat-conducting oil heating mode, and matrix pitch is first preheated to 160 ℃ before formal heating;
Step 4, grind for the second time, with pump, the mixture in mixing tank 3 is pumped in the process of tundish and use colloidal mill to carry out regrind to mixture, after grinding, form rubber powder modified asphalt.
By setting up regrind system at tundish 11 output terminals, the rubber powder and asphalt mixing is carried out to regrind, can effectively promote the combination between rubber powder and matrix pitch, substitute conventional shearing, improve rubber powder and asphalt quality, in process of production simultaneously, realize continuously and producing, enhance productivity.
The invention also discloses a kind of rubber powder modified asphalt production unit (as shown in Figure 1), comprise mixing tank 3, tundish 11, feed mechanism 1, matrix pitch pumping system, grinding system and regrind system, described feed mechanism 1 discharge port docks with mixing tank 3 is suitable for reading, described matrix pitch pumping system discharge port docks with mixing tank 3 opening for feeds, a described grinding system feed end docks with mixing tank 3, one time grinding system discharge end docks with tundish 11 opening for feeds, described tundish 11 discharge ports dock with regrind system feeding end, the equipment of raising rubber powder modified asphalt throughput according to claim 5, described matrix pitch pumping system comprises the first variable frequency pump 6 of order serial connection successively, hotline heater 5 and first flow meter 4, a described grinding system comprises the second variable frequency pump 7 and first colloidal mill 8 of order serial connection successively, the opening for feed of the second variable frequency pump 7 docks with the discharge port of mixing tank 3, the discharge port of the first colloidal mill 8 docks with tundish 11 opening for feeds, described regrind system comprises the 3rd variable frequency pump 9 and the second colloidal mill 10, the opening for feed of the 3rd variable frequency pump 9 docks with tundish 11 discharge ports, feed mechanism 1 comprises outlet and mixing tank 3 hopper docking 2 suitable for reading and rotary conveyor, tundish 11 and mixing tank 3 outer walls are can be by the hollow cavity of heating liquid
In concrete application process: matrix pitch is after heating, by the first variable frequency pump 6 and the chain control flow rate of asphalt of first flow meter 4, after hotline heater 5 heat exchange, join in mixing tank 3, in tank, add rubber powder simultaneously, rubber powder feed mechanism 1 adopts measurable device, make it to become with matrix pitch certain proportioning, mixing tank 3 adopts liquid level control, when mix asphalt arrives a certain liquid level, the second variable frequency pump 7 is opened automatically, mix asphalt is extracted out through pump, after grinding, the first colloidal mill 8 enters in tundish 11, this process is by the unlatching of chain control the second variable frequency pump 7 of liquid level signal, make the mixture in mixing tank 3 maintain some level values, meanwhile, when tundish 11 arrive a certain liquid level, through the 3rd variable frequency pump 9 and the chain control liquid level of liquidometer, with the 3rd pump, extract mix asphalt out and carry out regrind by the second colloidal mill 10, after grinding, be rubber powder and asphalt finished product.
The present invention is by getting up feed mechanism 1, mixing tank 3 and tundish 11 use pumping systems, grinding system and regrind Cascade System, realize continuously and producing, improve level of automation, by controlling feed mechanism 1, realize in addition the accurate interpolation of rubber powder, improve rubber powder modified asphalt quality.
Claims (9)
1. a rubber powder modified asphalt production method, is characterized in that: comprise the steps:
Step 1, matrix pitch pump in mixing tank after being heated to 190 ± 10 ℃ by heat-conducting oil heating mode;
Step 2, mixing add the rubber powder of matrix pitch gross weight 20% in mixing tank;
Step 3, grind for the first time, when the matrix pitch mixture that adds rubber powder is pumped to tundish, by colloidal mill, matrix pitch mixture ground, and after grinding for the first time to the additive that adds mixture total weight amount 0.3 ‰ in tundish;
Step 4, grind for the second time, with pump, the mixture in mixing tank is pumped in the process of tundish and use colloidal mill to carry out regrind to mixture, after grinding, form rubber powder modified asphalt.
2. rubber powder modified asphalt production method according to claim 1, is characterized in that: the matrix pitch in described step 1 is first preheated to 160 ℃ before formal heating.
3. rubber powder modified asphalt production method according to claim 1, is characterized in that: the rubber powder that described step 2 kind adds is vulcanized rubber powder, and its granularity is 30-40 order.
4. rubber powder modified asphalt production method according to claim 1, is characterized in that: described additive is B-450 activator.
5. a rubber powder modified asphalt production unit, it is characterized in that: comprise mixing tank (3), tundish (11), feed mechanism (1), matrix pitch pumping system, grinding system and regrind system, described feed mechanism (1) discharge port and suitable for reading docking of mixing tank (3), described matrix pitch pumping system discharge port docks with mixing tank (3) opening for feed, a described grinding system feed end docks with mixing tank (3), one time grinding system discharge end docks with tundish (11) opening for feed, described tundish (11) discharge port docks with regrind system feeding end.
6. rubber powder modified asphalt production unit according to claim 5, is characterized in that: described matrix pitch pumping system comprises the first variable frequency pump (6), hotline heater (5) and the first flow meter of order serial connection successively.
7. rubber powder modified asphalt production unit according to claim 5, it is characterized in that: a described grinding system comprises the second variable frequency pump (7) and first colloidal mill (8) of order serial connection successively, the opening for feed of the second variable frequency pump (7) docks with the discharge port of mixing tank (3), the discharge port of the first colloidal mill (8) docks with tundish (11) opening for feed, described regrind system comprises the 3rd variable frequency pump (9) and the second colloidal mill (10), and the opening for feed of the 3rd variable frequency pump (9) docks with tundish (11) discharge port.
8. rubber powder modified asphalt production unit according to claim 5, is characterized in that: described feed mechanism (1) comprises outlet and mixing tank (3) hopper docking suitable for reading (2) and rotary conveyor.
9. rubber powder modified asphalt production unit according to claim 5, is characterized in that: described tundish (11) and mixing tank (3) outer wall are can be by the hollow cavity of heating liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310540104.7A CN103756337A (en) | 2013-11-05 | 2013-11-05 | Production method and device of rubber powder modified asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310540104.7A CN103756337A (en) | 2013-11-05 | 2013-11-05 | Production method and device of rubber powder modified asphalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103756337A true CN103756337A (en) | 2014-04-30 |
Family
ID=50523673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310540104.7A Pending CN103756337A (en) | 2013-11-05 | 2013-11-05 | Production method and device of rubber powder modified asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103756337A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108642999A (en) * | 2018-04-28 | 2018-10-12 | 东莞泰和沥青产品有限公司 | A kind of processing method of modified pitch |
| CN108654542A (en) * | 2018-05-25 | 2018-10-16 | 潍坊市宏源防水材料有限公司 | A kind of modified asphalt waterproof coiled material continuous batching device and distribution |
| CN110355898A (en) * | 2019-08-12 | 2019-10-22 | 莒县东盛橡胶有限公司 | High-performance rubber modified pitch particle manufacture system |
| CN112226244A (en) * | 2019-06-30 | 2021-01-15 | 西安众力沥青有限公司 | Grinding production line system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538409A (en) * | 2008-03-21 | 2009-09-23 | 北京化工大学 | Waste Crumb rubber modified asphalt and preparation method thereof |
| CN101747637A (en) * | 2010-02-03 | 2010-06-23 | 沈阳三鑫集团有限公司 | Low-temperature environment-friendly rubber asphalt and preparation method thereof |
| CN101817946A (en) * | 2010-04-19 | 2010-09-01 | 交通部公路科学研究所 | Activated waste rubber powder and preparation method thereof as well as modified asphalt and preparation method thereof |
| CN101831188A (en) * | 2010-05-13 | 2010-09-15 | 上海群康沥青科技有限公司 | Modified asphalt composition with high content of rubber powder and preparation and application thereof |
| CN202953973U (en) * | 2012-10-23 | 2013-05-29 | 江苏省交通科学研究院股份有限公司 | Finished rubber asphalt production and processing system |
| CN203558998U (en) * | 2013-11-05 | 2014-04-23 | 河北伦特石油化工有限公司 | Production device for rubber powder modified asphalt |
-
2013
- 2013-11-05 CN CN201310540104.7A patent/CN103756337A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538409A (en) * | 2008-03-21 | 2009-09-23 | 北京化工大学 | Waste Crumb rubber modified asphalt and preparation method thereof |
| CN101747637A (en) * | 2010-02-03 | 2010-06-23 | 沈阳三鑫集团有限公司 | Low-temperature environment-friendly rubber asphalt and preparation method thereof |
| CN101817946A (en) * | 2010-04-19 | 2010-09-01 | 交通部公路科学研究所 | Activated waste rubber powder and preparation method thereof as well as modified asphalt and preparation method thereof |
| CN101831188A (en) * | 2010-05-13 | 2010-09-15 | 上海群康沥青科技有限公司 | Modified asphalt composition with high content of rubber powder and preparation and application thereof |
| CN202953973U (en) * | 2012-10-23 | 2013-05-29 | 江苏省交通科学研究院股份有限公司 | Finished rubber asphalt production and processing system |
| CN203558998U (en) * | 2013-11-05 | 2014-04-23 | 河北伦特石油化工有限公司 | Production device for rubber powder modified asphalt |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108642999A (en) * | 2018-04-28 | 2018-10-12 | 东莞泰和沥青产品有限公司 | A kind of processing method of modified pitch |
| CN108654542A (en) * | 2018-05-25 | 2018-10-16 | 潍坊市宏源防水材料有限公司 | A kind of modified asphalt waterproof coiled material continuous batching device and distribution |
| CN112226244A (en) * | 2019-06-30 | 2021-01-15 | 西安众力沥青有限公司 | Grinding production line system |
| CN110355898A (en) * | 2019-08-12 | 2019-10-22 | 莒县东盛橡胶有限公司 | High-performance rubber modified pitch particle manufacture system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102010604B (en) | System and method for preparing rubber-modified asphalt | |
| CN103756337A (en) | Production method and device of rubber powder modified asphalt | |
| CN106861544B (en) | A kind of full-closed zero discharge continuous production modified pitch device and method | |
| CN104924559A (en) | Production method and device for PVC profile materials | |
| CN104194036B (en) | A kind of regenerative agent of reclaimed rubber and preparation method thereof | |
| CN205062616U (en) | Low temperature modified asphalt concrete construction agitating unit | |
| CN102888182B (en) | Modified nylon 1012 powder coating and preparation method thereof | |
| CN108654542B (en) | Continuous batching device and batching method for modified asphalt waterproof coiled material | |
| CN204801010U (en) | Extruder | |
| CN203558998U (en) | Production device for rubber powder modified asphalt | |
| CN104004222A (en) | Waste rubber low-temperature continuous regeneration device and process method | |
| CN105233781A (en) | Preparing experiment platform and method for modifying asphalt through rubber powder | |
| CN105647210B (en) | Environment-friendly efficient batching device and process for modified asphalt waterproof coiled material | |
| CN208121003U (en) | A kind of full-automatic methyl vinyl silicone rubber tinuous production | |
| CN103816821B (en) | A kind of continuous compounding method for fracturing fluid | |
| CN205062617U (en) | Low temperature is agitator tank for modified asphalt concrete construction | |
| CN208148247U (en) | Environmentally friendly continuous helical screw combinations Multifunctional rubber resetting device | |
| CN210368522U (en) | Mixing arrangement is used in pitch production | |
| CN101417479A (en) | Preparation method of granular color cementing agent | |
| CN217578778U (en) | Dual-purpose production facility of modified asphalt and rubber asphalt | |
| CN201843046U (en) | Production system of composite modified asphalt | |
| CN205167506U (en) | Screw extrusion machine | |
| CN204973714U (en) | Compounding device for chemical industry | |
| CN203768763U (en) | Novel continuous foamed asphalt mixing station | |
| CN205164718U (en) | Asphaltrubber's preparation experiment platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140430 |