CN108642999A - A kind of processing method of modified pitch - Google Patents
A kind of processing method of modified pitch Download PDFInfo
- Publication number
- CN108642999A CN108642999A CN201810404205.4A CN201810404205A CN108642999A CN 108642999 A CN108642999 A CN 108642999A CN 201810404205 A CN201810404205 A CN 201810404205A CN 108642999 A CN108642999 A CN 108642999A
- Authority
- CN
- China
- Prior art keywords
- colloid mill
- processing method
- tank
- modified pitch
- modifying agent
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/08—Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the like
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1059—Controlling the operations; Devices solely for supplying or proportioning the ingredients
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The present invention provides a kind of processing methods of modified pitch, include the following steps：Step 1：Matrix pitch is passed through in asphalt tank, is warming up to 190 DEG C；Step 2：Matrix pitch after will heat up is transferred in material-compound tank, is slowly added to modifying agent while stirring, and mixture is obtained after stirring evenly；Step 3：Mixture is passed through successively in colloid mill a and colloid mill b, modifying agent is uniformly dispersed by colloid mill a, and colloid mill b grinds modifying agent；Step 4：The slurry that step 3 obtains is transferred in horizontal development tank, agitating device is opened, is developed 2 hours；Step 5：The supermature slurry of step 4 is subjected to quality testing, is transferred in finished pot and stores after qualified.The processing method of the present invention is easy to operate, reduces a material-compound tank on the basis of existing technology, increases a colloid mill, two colloid mills are connected in a manner of contacting, and the dispersion effect of modifying agent is good, and processing efficiency is high, saves the time.
Description
Technical field
The present invention relates to pitch processing technique fields, and in particular to a kind of processing method of modified pitch.
Background technology
Many variations occur for highroad and road, such as the magnitude of traffic flow and traveling frequency sharp increase, the axis weight of freight
It is continuously increased, generally carries out divided lane one-way traffic.Therefore it is required that further increase road surface resistance to flow, i.e. Rut resistance under high temperature
Ability, improve flexible and elasticity, i.e., the ability of cracking resistance under low temperature, and improve abrasion performance ability and prolong the service life.
Plain asphalt is not suitable for since matter is crisp, height temperature stability is poor, thus modified pitch occurs.
In modified pitch, it is common to use modifying agent illustrates, due to SBS as modified material by taking SBS asphalt modifiers as an example
It is a kind of non-polar polymeric material, relative density is less than 0.9, and pitch is a kind of mixture that ingredient is extremely complex, is contained
Polar component, relative density are more than 0.9, and the two has differences in nature.If the compatibility of the two is poor, it will cause in heat
Occur segregation phenomenon when storage, affects the performance of modified pitch.
In the prior art, the processing flow of modified pitch is as shown in Figure 1：Matrix pitch is passed through in asphalt tank, is heated up, it is complete
It is transferred to after fully dissolved in material-compound tank a, modifying agent is added, then passes in colloid mill, the slurry after grinding is transferred to dispensing
It is used as terminal in tank b, the slurry in material-compound tank b is passed through in colloid mill carries out secondary grinding again, then pass to vertical hair
It educates in tank and is developed, stored after having developed by being transferred in finished pot after the assay was approved.The processing method is cumbersome, needs
Two material-compound tanks are used, larger space is occupied, in addition this lapping mode needs often to change and turn between tooth and fixed tooth
Gap, it is cumbersome, increase a large amount of processes.
Invention content
In view of the above problems, the present invention provides a kind of processing method of modified pitch.
To achieve the above object, the present invention solves by the following technical programs：
A kind of processing method of modified pitch, includes the following steps：
Step 1：Matrix pitch is passed through in asphalt tank, is warming up to 190 DEG C；
Step 2：Matrix pitch after will heat up is transferred in material-compound tank, is slowly added to modifying agent while stirring, after stirring evenly
Obtain mixture；
Step 3：Mixture is passed through successively in colloid mill a and colloid mill b, modifying agent is uniformly dispersed by colloid mill a, colloid mill b
Modifying agent is ground；
Step 4：The slurry that step 3 obtains is transferred in horizontal development tank, agitating device is opened, is developed 2 hours；
Step 5：The supermature slurry of step 4 is subjected to quality testing, is transferred in finished pot and stores after qualified.
Specifically, the mixing time of the step 2 is 60-90 minutes, temperature controls between 183-188 DEG C always.
Specifically, the temperature of the step 3 controls between 178-182 DEG C always.
Specifically, the gap of the colloid mill a transfer tooth a and fixed tooth a is 1-2mm, the rotating speed for turning tooth a is 1-
3rpm。
Specifically, the gap of the colloid mill b transfer tooth b and fixed tooth b is 0.2-0.5mm, the rotating speed for turning tooth b is 2-
4rpm。
Specifically, the agitating device in the horizontal development tank is four, four agitating devices are disposed side by side on institute
Horizontal development pot bottom is stated, and the rotation direction of agitating device described in each adjacent two is opposite.
Specifically, the asphalt tank, material-compound tank, colloid mill a are heated by heat-conducting oil furnace.
The beneficial effects of the invention are as follows：
First, the processing method of modified pitch of the invention is easy to operate, reduces a dispensing on the basis of existing technology
Tank increases a colloid mill, and two colloid mills are connected in a manner of contacting, after modifying agent is uniformly dispersed by colloid mill a, colloid
Mill b grinds modifying agent, and the dispersion effect of modifying agent is good, and processing efficiency is high, saves the time；
Second, traditional processing method is stirred development using vertical development tank, only there are one agitating paddle in vertical development tank,
Cause the type of flow of mixture single, the dispersion effect of matrix pitch and modifying agent is bad, and is easy layering, and the present invention makes
It is that there are four the horizontal development tanks of agitating device for band, and the rotation direction of each adjacent two agitating device is on the contrary, mixture
The type of flow it is chaotic, dispersion effect is good, and modifying agent is contributed to dissolve.
Description of the drawings
Fig. 1 is the modified pitch processing flow schematic diagram of the prior art.
Fig. 2 is the modified pitch processing flow schematic diagram of the present invention.
Specific implementation mode
In order to further appreciate that the feature, technological means and the specific purposes reached, function of the present invention, tie below
The present invention is described in further detail for conjunction specific implementation mode and attached drawing.
With reference to modified pitch processing flow schematic diagram shown in Fig. 2：
A kind of processing method of modified pitch, includes the following steps：
Step 1：Matrix pitch is passed through in asphalt tank, is warming up to 190 DEG C, until matrix pitch is completely dissolved；
Step 2：Matrix pitch after will heat up is transferred in material-compound tank, is slowly added to modifying agent while stirring, after stirring evenly
Obtain mixture；
Step 3：Mixture is passed through successively in colloid mill a and colloid mill b, modifying agent is uniformly dispersed by colloid mill a, colloid mill b
Modifying agent is ground；
Step 4：The slurry that step 3 obtains is transferred in horizontal development tank, agitating device is opened, is developed 2 hours；
Step 5：The supermature slurry of step 4 is subjected to quality testing, is transferred in finished pot and stores after qualified.
Preferably, the mixing time of step 2 is 60-90 minutes, and temperature controls between 183-188 DEG C always.
Preferably, the temperature of step 3 controls between 178-182 DEG C always.
Preferably, the gap of colloid mill a transfers tooth a and fixed tooth a are 1-2mm, and the rotating speed for turning tooth a is 1-3rpm.
Preferably, the gap of colloid mill b transfers tooth b and fixed tooth b are 0.2-0.5mm, and the rotating speed for turning tooth b is 2-
4rpm。
Preferably, the agitating device in horizontal development tank is four, and four agitating devices are disposed side by side on horizontal
Pot bottom is developed, and the rotation direction of each adjacent two agitating device is on the contrary, this agitating mode can make the flowing side of mixture
Formula is chaotic, and dispersion effect is more preferable, and modifying agent is contributed to dissolve, in addition, the mixing speed of four agitating devices can with independent control,
The mixing speed of each agitating device may be the same or different, and the mixing speed of four agitating devices is different in the present invention, obtains
Mixture mixed effect it is more preferable.
Preferably, asphalt tank, material-compound tank, colloid mill a are heated by heat-conducting oil furnace, and natural gas is passed through heat conduction
It is used as fuel, heat-conducting oil furnace that heat is respectively transmitted in asphalt tank, material-compound tank, colloid mill a by high temperature heat conductive oil in oil oven,
Make asphalt tank, material-compound tank, temperature rise in colloid mill a.
One embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
1. a kind of processing method of modified pitch, which is characterized in that include the following steps：
Step 1：Matrix pitch is passed through in asphalt tank, is warming up to 190 DEG C；
Step 2：Matrix pitch after will heat up is transferred in material-compound tank, is slowly added to modifying agent while stirring, after stirring evenly
Obtain mixture；
Step 3：Mixture is passed through successively in colloid mill a and colloid mill b, modifying agent is uniformly dispersed by colloid mill a, colloid mill b
Modifying agent is ground；
Step 4：The slurry that step 3 obtains is transferred in horizontal development tank, agitating device is opened, is developed 2 hours；
Step 5：The supermature slurry of step 4 is subjected to quality testing, is transferred in finished pot and stores after qualified.
2. a kind of processing method of modified pitch according to claim 1, which is characterized in that when the stirring of the step 2
Between be 60-90 minutes, temperature controls between 183-188 DEG C always.
3. a kind of processing method of modified pitch according to claim 1, which is characterized in that the temperature of the step 3 begins
Control is between 178-182 DEG C eventually.
4. a kind of processing method of modified pitch according to claim 1, which is characterized in that the colloid mill a transfer teeth a
Gap with fixed tooth a is 1-2mm, and the rotating speed for turning tooth a is 1-3rpm.
5. a kind of processing method of modified pitch according to claim 1, which is characterized in that the colloid mill b transfer teeth b
Gap with fixed tooth b is 0.2-0.5mm, and the rotating speed for turning tooth b is 2-4rpm.
6. a kind of processing method of modified pitch according to claim 1, which is characterized in that in the horizontal development tank
Agitating device is four, and four agitating devices are disposed side by side on the horizontal development pot bottom, and described in each adjacent two
The rotation direction of agitating device is opposite.
7. a kind of processing method of modified pitch according to claim 1, which is characterized in that the asphalt tank, material-compound tank,
Colloid mill a is heated by heat-conducting oil furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404205.4A CN108642999A (en) | 2018-04-28 | 2018-04-28 | A kind of processing method of modified pitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404205.4A CN108642999A (en) | 2018-04-28 | 2018-04-28 | A kind of processing method of modified pitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108642999A true CN108642999A (en) | 2018-10-12 |
Family
ID=63748329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810404205.4A Pending CN108642999A (en) | 2018-04-28 | 2018-04-28 | A kind of processing method of modified pitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108642999A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593468A (en) * | 2020-11-04 | 2021-04-02 | 东莞广泰公路材料科技有限公司 | Low-energy-consumption processing method of asphalt mixture |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199911A (en) * | 2010-03-27 | 2011-09-28 | 温州市焱日改性沥青有限公司 | Double-purpose horizontal and vertical type rubber-modified asphalt equipment |
| CN203048851U (en) * | 2012-12-31 | 2013-07-10 | 湖北国创高新材料股份有限公司 | Rubber powder modified asphalt production equipment |
| CN103756337A (en) * | 2013-11-05 | 2014-04-30 | 河北伦特石油化工有限公司 | Production method and device of rubber powder modified asphalt |
| CN106380875A (en) * | 2016-08-31 | 2017-02-08 | 山东高速物资储运有限公司 | Aging-resistant high-viscosity high-elasticity modified asphalt and preparation method thereof |
| CN107446364A (en) * | 2017-04-01 | 2017-12-08 | 江苏中路工程技术研究院有限公司 | A kind of rubber asphalt and preparation method thereof |
-
2018
- 2018-04-28 CN CN201810404205.4A patent/CN108642999A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199911A (en) * | 2010-03-27 | 2011-09-28 | 温州市焱日改性沥青有限公司 | Double-purpose horizontal and vertical type rubber-modified asphalt equipment |
| CN203048851U (en) * | 2012-12-31 | 2013-07-10 | 湖北国创高新材料股份有限公司 | Rubber powder modified asphalt production equipment |
| CN103756337A (en) * | 2013-11-05 | 2014-04-30 | 河北伦特石油化工有限公司 | Production method and device of rubber powder modified asphalt |
| CN106380875A (en) * | 2016-08-31 | 2017-02-08 | 山东高速物资储运有限公司 | Aging-resistant high-viscosity high-elasticity modified asphalt and preparation method thereof |
| CN107446364A (en) * | 2017-04-01 | 2017-12-08 | 江苏中路工程技术研究院有限公司 | A kind of rubber asphalt and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593468A (en) * | 2020-11-04 | 2021-04-02 | 东莞广泰公路材料科技有限公司 | Low-energy-consumption processing method of asphalt mixture |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181012 |
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