CN217068594U - Polyphosphoric acid composite polymer material modified asphalt step-by-step blending device - Google Patents
Polyphosphoric acid composite polymer material modified asphalt step-by-step blending device Download PDFInfo
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- CN217068594U CN217068594U CN202220039277.5U CN202220039277U CN217068594U CN 217068594 U CN217068594 U CN 217068594U CN 202220039277 U CN202220039277 U CN 202220039277U CN 217068594 U CN217068594 U CN 217068594U
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Abstract
The utility model relates to a polyphosphoric acid composite polymer material modified asphalt substep blends device, this substep blends device includes: the device comprises a first tank body, a second tank body and a third tank body, wherein the first tank body comprises an asphalt feeding hole, a polymer material feeding hole and a first discharging hole; the second tank body comprises a mixture feeding hole of asphalt and polymer materials, a polyphosphoric acid feeding hole and a second discharging hole; a first connecting pipe for connecting the first tank and the second tank; a first stirring device for mixing asphalt and polymer materials is arranged in the first tank, and a second stirring device for mixing a mixture of the asphalt and the polymer materials and polyphosphoric acid is arranged in the second tank. Through the utility model discloses a substep blending device can prepare the modified asphalt of polyphosphoric acid composite polymer material of stable quality, mixing effect are good, the batched.
Description
Technical Field
The utility model relates to a road engineering technical field especially relates to a polyphosphoric acid combined polymer material modified asphalt substep blending device.
Background
With the rapid development of traffic industry, early road diseases become more serious, wherein the diseases are largely attributed to heavy load and overload of vehicles, and the development and use of the high-performance asphalt modifier can reduce the rutting diseases and prolong the service life of the road, so that the problem becomes a key research problem in the road industry.
In recent years, relevant researchers have conducted research on the modification mechanism, asphalt performance and the like of polyphosphoric acid modified asphalt. The existing research finds that only a single polyphosphoric acid is used for modifying the asphalt, so that the low-temperature performance of the asphalt is reduced, and the development of polyphosphoric acid modification technology is severely restricted. Therefore, at present, the compounding of the polyphosphoric acid by using polymer materials such as SBS, SBR, PE and the like is tried at home and abroad, so that the problem of low-temperature performance reduction caused by modification of single polyphosphoric acid is solved, and meanwhile, the polyphosphoric acid is used for replacing part of polymer materials, so that the total cost of the modifier can be reduced, and good economic and technical benefits are achieved.
However, because research and start are late, no specific production device is provided, manual small-amount mixing is mostly adopted at present, and the large-scale production and popularization of the polyphosphoric acid composite polymer material modified asphalt are not facilitated. Therefore, the technical breakthrough of the key links of the production process and the equipment of the polyphosphoric acid composite polymer modified asphalt is actively developed, the defects of the polyphosphoric acid composite polymer modified asphalt in the production and construction technology of the polyphosphoric acid composite polymer modified asphalt are overcome, and the method plays an important role in the application and popularization of the polyphosphoric acid composite polymer modified asphalt technology in highway engineering.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved by the utility model
The utility model aims at overcoming the defects in the prior art and providing a polyphosphoric acid composite polymer material modified asphalt fractional blending device which has simple structure, good mixing effect and can be produced in batches.
Means for solving the technical problem
In order to achieve the above object, the utility model provides a polyphosphoric acid composite polymer material modified asphalt substep blending device which is characterized in that, this substep blending device includes:
the device comprises a first tank body, a second tank body and a third tank body, wherein the first tank body comprises an asphalt feeding hole, a polymer material feeding hole and a first discharging hole;
the second tank body comprises a mixture feeding hole of asphalt and polymer materials, a polyphosphoric acid feeding hole and a second discharging hole;
a first connecting pipe for connecting the first tank and the second tank;
the first tank is internally provided with a first stirring device for mixing asphalt and polymer materials, and the second tank is internally provided with a second stirring device for mixing a mixture of the asphalt and the polymer materials and polyphosphoric acid.
Further, a homogenizer is arranged in the first tank body.
Further, the first stirring device comprises a plurality of stirrers, and the stirrers are arranged in layers along the height direction of the first tank body.
Further, the stirrer comprises a cross blade stirrer and a crescent stirrer.
Further, the crescent shaped agitator is located at the lowermost layer of the plurality of agitators.
Further, a plurality of homogenizers are arranged in the first tank body, and at least two homogenizers in the plurality of homogenizers are different in length.
Further, four homogenizers are arranged in the first tank, wherein two homogenizers account for 2/3 of the height of the first tank, and the other two homogenizers account for 1/3 of the height of the first tank.
Further, the step-by-step blending device further comprises a butt joint arranged between the first discharge port and the first connecting pipeline, and a filtering device is arranged in the butt joint.
Further, the filter device comprises a sheet-shaped round hole screen.
Further, the second stirring device comprises a helical stirrer.
Advantageous effects
Through the utility model discloses a polyphosphoric acid composite polymer material modified asphalt substep blending device has standardized polyphosphoric acid composite polymer material modified asphalt's production flow, is convenient for prepare the stable in quality, mix effectual, the batched polyphosphoric acid composite polymer material modified asphalt.
Drawings
FIG. 1 is a schematic view of a multi-step blending device for modified asphalt of polyphosphoric acid composite polymer material according to the present invention;
FIG. 2 is a schematic view of the butt joint of the present invention;
fig. 3 is a schematic view of the sheet-shaped round hole sieve of the present invention.
Detailed Description
Various embodiments and modifications in the practice of the invention will be apparent to and can be readily made by those skilled in the art without departing from the scope and spirit of the invention. The invention will be further described with reference to the following specific examples of embodiments of the drawings, which are not intended to limit the invention.
References in the present application to "first", "second", etc., are only used to distinguish between different elements and are not to be construed as indicating or implying any relative importance or implying any indication of the number of technical features indicated.
The polymer materials of the present invention include, but are not limited to: SBS (styrene-butadiene-styrene block copolymer), SBR (styrene butadiene rubber), PE (polyethylene).
The following describes specific embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the stepped blending device 100 for modified asphalt of polyphosphoric acid composite polymer material of the present invention includes a first tank 1 and a second tank 2, the first tank 1 is connected to the second tank 2 through a first connecting pipe 3, and the second tank 2 is in fluid communication with an external device (not shown in the figure) through a second connecting pipe 4.
Wherein the first tank 1 is used for mixing asphalt and polymer materials, and the second tank 2 is used for mixing the mixture of asphalt and polymer materials with polyphosphoric acid. The utility model discloses do not do the restriction to the volume or the size of the first jar of body 1 and the second jar of body 2, its volume or size can satisfy the requirement of mass production can.
The following describes the multi-step blending device 100 for modified asphalt of polyphosphoric acid composite polymer material according to the present invention with reference to the drawings.
First tank 1
As shown in fig. 1, the first tank 1 includes a pitch feed port 11, a polymer material feed port 12, and a first discharge port 13.
A first stirring device 14 for mixing the asphalt and the polymer material is provided in the first tank 1. The first stirring device 14 comprises a first motor 141 arranged on the first tank 1 and a first stirrer 142 in driving connection with an output shaft of the first motor 141. In order to achieve the cost, the mixing effect, and the simplicity of the apparatus structure, preferably, as shown in fig. 1, the first agitator 142 includes three agitators layered in the height direction of the first tank 1: a cross paddle type stirrer 1421 positioned at the uppermost layer in the height direction of the first tank 1, a crescent type stirrer 1423 positioned at the lowermost layer in the height direction of the first tank 1, and a cross paddle type stirrer 1422 positioned between the cross paddle type stirrer 1421 and the crescent type stirrer 1423.
The utility model discloses do not do the restriction to the concrete position of above-mentioned agitator. Preferably, the cross paddle agitator 1421 is located at a position approximately 3/4 the height of the first tank 1, the cross paddle agitator 1422 is located at a position approximately 1/2 the height of the first tank 1, and the crescent agitator 1423 is located at the bottom of the first tank 1, with reference to the bottom wall of the first tank 1.
In order to further improve the mixing effect of the materials, a homogenizer 15 for mixing the asphalt and the polymer material is further provided in the first tank 1. The utility model discloses do not do the restriction to quantity, length and the mounted position of isotropic symmetry 15. Preferably, four homogenizers 15 (two of which are shown in fig. 1) having different lengths are provided on the inner surface of the top wall of the first tank 1. More preferably, of the four homogenizers, two homogenizers have a length of about 2/3 the height of the first tank 1, and the other two homogenizers have a length of about 1/3 the height of the first tank 1.
The homogenizer 15 may be a commercially available homogenizer. For example, a homogenizer of the JZQ type, Shanghai pump, Dynasty JRJ300-SH homogenizer.
Furthermore, the first tank 1 comprises a first valve 16 for controlling the discharge of the mixture of bitumen and polymeric material. The utility model discloses do not do the restriction to the mounted position of first valve 16. For example, as shown in fig. 1, a first valve 16 is provided on the first discharge port 13, and more specifically, may be provided on the discharge pipe of the first discharge port 13.
As shown in fig. 1, the second tank 2 includes a mixture inlet 21 of pitch and polymer material, a polyphosphoric acid inlet 22, and a second outlet 23.
A second stirring device 24 for mixing the mixture of asphalt and polymer material with polyphosphoric acid is provided in the second tank 2. The second stirring device comprises a second motor 241 arranged on the second tank 2 and a second stirrer 242 in driving connection with an output shaft of the second motor 241. In order to achieve the cost, the mixing effect, and the simplicity of the apparatus structure, it is preferable that the second stirrer 242 be a helical stirrer as shown in fig. 1. To enable efficient mixing of the material located adjacent the inner surface of the second vessel 2, it is more preferred that the helical agitator is sized to substantially fill the second vessel 2.
In addition, the second tank 2 further includes a second valve 25 for controlling the discharge of the modified asphalt of the polyphosphoric acid composite polymer material. The utility model discloses do not do the restriction to the mounted position of second valve 25. For example, the second valve 25 can be arranged on the second outlet 23, more specifically on the outlet pipe of the second outlet 23.
First connecting pipe 3
One end of the first connecting pipeline 3 is connected with the first discharge port 13 of the first tank body 1, and the other end of the first connecting pipeline 3 is connected with the mixture feed port 21 of the asphalt and polymer materials of the second tank body 2.
As shown in fig. 1 and 2, in order to block the unstirred mixture of asphalt and polymer material in the first tank 1 from entering the second tank 2 and ensure that the mixture entering the second tank 2 is sheared and uniformly distributed, it is preferable that a butt joint 31 is provided between the first discharge port 13 and the first connecting pipe 3, and a filtering device for blocking the unstirred mixture of asphalt and polymer material is provided in the butt joint 31. More preferably, as shown in fig. 2 and 3, the filter means is a sheet-like round screen 32.
It will be appreciated that the first valve 16 described above may also be provided on the first connecting line 3.
Second connecting pipe 4
One end of the second connecting pipeline 4 is connected with the second discharge hole 23 of the second tank body 1, and the other end of the second connecting pipeline 4 is communicated with fluid of an external device. For example, the modified asphalt of polyphosphoric acid composite polymer material discharged from the second connecting pipe 4 enters a material containing device (not shown in the figure).
It will be understood that the second valve 25 may also be provided on the second connecting duct 4, as shown in figure 1.
The method of using the multi-step blending device 100 for polyphosphoric acid composite polymer material modified asphalt of the present invention is briefly described below with reference to fig. 1 to 3:
and (3) starting the first stirring device 14 of the first tank body 1, simultaneously adding asphalt from the asphalt feeding hole 11 and adding a polymer material from the polymer material feeding hole 12, after the preset stirring time is reached, starting the second stirring device 24 and the first valve 16 of the second tank body 2, after the mixture of the asphalt and the polymer material completely enters the second tank body 2, adding polyphosphoric acid from the polyphosphoric acid feeding hole 22, after the preset stirring time is reached, opening the second valve 25, and finishing the production of the polyphosphoric acid composite polymer material modified asphalt.
After the production of the polyphosphoric acid composite polymer material modified asphalt is completed, the butt joint 31 is opened, the sheet-shaped circular hole sieve 32 is cleaned, and after the cleaning is completed, the sheet-shaped circular hole sieve 32 and the butt joint 31 are installed back to the installation positions.
While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.
Claims (10)
1. A polyphosphoric acid composite polymer material modified asphalt step-by-step blending device is characterized by comprising the following components:
the device comprises a first tank body, a second tank body and a third tank body, wherein the first tank body comprises an asphalt feeding hole, a polymer material feeding hole and a first discharging hole;
the second tank body comprises a mixture feeding hole of asphalt and polymer materials, a polyphosphoric acid feeding hole and a second discharging hole;
a first connecting pipe for connecting the first tank and the second tank;
the first tank is internally provided with a first stirring device for mixing asphalt and polymer materials, and the second tank is internally provided with a second stirring device for mixing a mixture of the asphalt and the polymer materials and polyphosphoric acid.
2. The step-blending apparatus of claim 1, wherein a homogenizer is further disposed within the first tank.
3. The step-blending apparatus according to claim 1 or 2, wherein the first stirring device comprises a plurality of stirrers arranged in layers in a height direction of the first tank.
4. The step blending apparatus of claim 3, wherein the agitator comprises a cross blade agitator and a crescent shaped agitator.
5. The step blending apparatus of claim 4, wherein the crescent shaped agitator is located at the lowermost layer of the plurality of agitators.
6. The step-blending apparatus according to claim 2, wherein a plurality of the homogenizers are provided in the first tank, and at least two of the homogenizers in the plurality of homogenizers have different lengths from each other.
7. The step blending apparatus of claim 6, wherein four homogenizers are disposed within the first tank, two of the homogenizers having a length 2/3 the height of the first tank and two of the homogenizers having a length 1/3 the height of the first tank.
8. The step-blending apparatus according to claim 1 or 2, further comprising a butt joint provided between the first discharge port and the first connection pipe, the butt joint having a filtering device provided therein.
9. The step blending apparatus of claim 8, wherein the filtration apparatus comprises a sheet-like round screen.
10. The step-blending apparatus of claim 1 or 2, wherein the second agitating device comprises a helical agitator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220039277.5U CN217068594U (en) | 2022-01-07 | 2022-01-07 | Polyphosphoric acid composite polymer material modified asphalt step-by-step blending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220039277.5U CN217068594U (en) | 2022-01-07 | 2022-01-07 | Polyphosphoric acid composite polymer material modified asphalt step-by-step blending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217068594U true CN217068594U (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220039277.5U Active CN217068594U (en) | 2022-01-07 | 2022-01-07 | Polyphosphoric acid composite polymer material modified asphalt step-by-step blending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217068594U (en) |
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2022
- 2022-01-07 CN CN202220039277.5U patent/CN217068594U/en active Active
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