CN211754144U - Reactive polymer modified asphalt preparation facilities - Google Patents
Reactive polymer modified asphalt preparation facilities Download PDFInfo
- Publication number
- CN211754144U CN211754144U CN202020151001.7U CN202020151001U CN211754144U CN 211754144 U CN211754144 U CN 211754144U CN 202020151001 U CN202020151001 U CN 202020151001U CN 211754144 U CN211754144 U CN 211754144U
- Authority
- CN
- China
- Prior art keywords
- modified asphalt
- resistance wire
- wire heater
- box body
- temperature
- 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
Images
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Working-Up Tar And Pitch (AREA)
- Road Paving Machines (AREA)
Abstract
The utility model discloses a reaction type polymer modified asphalt preparation device, which relates to the technical field of polymer asphalt modification, and comprises a box body and a resistance wire heater arranged at the bottom of the box body, wherein the top of the box body is provided with a motor which is connected with a stirring paddle extending into the resistance wire heater through a transmission shaft; the device also comprises a temperature control panel and a rotating speed control panel which are arranged at the top of the box body, wherein the temperature control panel is connected with an infrared temperature sensor and a resistance wire heater, the temperature of modified asphalt in the resistance wire heater is controlled, and the rotating speed control panel is connected with a motor, and the shearing rate and the shearing time of the motor are controlled. The device has increased the shearing stirring function, through the temperature of accurate control preparation in-process, control shear rate and shearing time, makes reactive polymer modifier can give full play to the modification effect, guarantees that reactive polymer modified asphalt can be evenly, fully distributed in matrix asphalt.
Description
Technical Field
The utility model relates to a polymer asphalt modification technical field especially relates to a reaction type polymer modified asphalt preparation facilities, concretely relates to polymer modified asphalt preparation facilities that can controlled heating temperature, shear rate and shear time, can effectively exert the modified effect of polymer.
Background
With the rapid increase of the traffic volume and the rapid development of the road construction technology in China, when a high-grade road is constructed, the pavement performance of the asphalt pavement is higher, and the performance of the matrix asphalt is difficult to meet the requirement of the current road construction. Therefore, it is a development trend in the road traffic industry to modify the matrix asphalt and deeply research the performance of the modified asphalt to improve the comprehensive performance and prolong the service life of the pavement.
In recent years, high-performance polymer materials are continuously developed and researched, people find that different polymers have great performance difference, can meet different modification purposes of matrix asphalt, and provide a new direction for the research of asphalt modifiers. The existing polymer modifier mainly comprises a physical polymer modifier and a reactive polymer modifier, wherein the physical polymer modifier comprises styrene-butadiene-styrene (SBS), Styrene Butadiene Rubber (SBR), Polyethylene (PE) and the like, the physical polymer modifier and matrix asphalt have large differences in molecular weight, density and polarity, and the physical polymer modifier has the problems of poor compatibility and unbalanced high and low temperature modification effects when used as a modifier, and has high preparation process requirements, and the modifier is usually required to be ground to a micron level; the reactive polymer modifier is made of materials such as epoxy resin, polyurethane resin, phenolic resin and the like, can form a stable space network structure with asphalt molecules after being added into the matrix asphalt, can generate a curing reaction after being added into the matrix asphalt, and can also generate a curing reaction with active molecules in the asphalt to further reinforce the space network structure, so that the prepared modified asphalt has excellent performance and strong practicability.
At present, the preparation method of the common modified asphalt is mainly a physical modification method (high-speed shearing method), the modifier and the matrix asphalt are uniformly mixed and then sheared by a high-speed shearing machine or a colloid mill, most of equipment has single function, the curing reaction process of the reactive polymer is very complex, the curing reaction is greatly influenced by temperature, shearing rate and shearing time and has instability, so that the preparation device and the preparation method of the common modified asphalt cannot meet the preparation requirement of the reactive polymer modified asphalt. The reactive polymer modifier has higher requirement on the control precision of heating temperature, and the polymer loses the modification effect due to overhigh curing temperature in the curing process of the polymer material; the curing temperature is too low to exert its modifying effect.
The conventional preparation device has a single function, the heating device does not have a shearing function, and the shearing device does not have a heating function, so that the preparation process requirement of the reactive polymer modified asphalt is difficult to meet; the temperature is difficult to accurately control in the heating process, the temperature range of the reactive polymer needs to be fixed during curing, the polymer modifier loses the modification effect due to poor temperature control, and the matrix asphalt is easy to age due to overhigh heating temperature and overlong time. The preparation device of the common modified asphalt is adopted to prepare the reactive polymer modified asphalt, and the preparation device has the advantages of single function, long preparation time, difficult accurate temperature control and difficult exertion of excellent modification effect of the reactive polymer modifier.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reaction type polymer modified asphalt preparation facilities, the device have increased the shearing stirring function, through control shear rate and shear time, make reaction type polymer modifier can full play modification effect, guarantee that reaction type polymer modified asphalt can evenly, fully distribute in matrix asphalt.
The utility model discloses a realize through following technical scheme:
the utility model discloses a reactive polymer modified asphalt preparation device, which comprises a box body and a resistance wire heater arranged at the bottom of the box body, wherein the top of the box body is provided with a motor, and the motor is connected with a stirring paddle extending into the resistance wire heater through a transmission shaft; the modified asphalt temperature control device is characterized by further comprising a temperature control board and a rotating speed control board, wherein the temperature control board and the rotating speed control board are arranged at the top of the box body, the temperature control board is connected with an infrared temperature sensor and a resistance wire heater and used for controlling the temperature of modified asphalt in the resistance wire heater, and the rotating speed control board is connected with a motor and used for controlling the shearing rate and the shearing time of the.
To above-mentioned technical scheme, the utility model discloses still include further optimization implementation scheme:
further, the frame of the box body comprises an inner frame and an outer frame, and a heat-insulating layer is filled between the inner frame and the outer frame; the inner frame and the outer frame are made of metal plates, and the heat insulation layer is made of asbestos materials.
Furthermore, the resistance wire heater comprises a heating part and a reaction part, wherein the heating part is sequentially provided with a nickel-chromium heating wire, a mineral wool heat-insulating layer and a cast iron closed panel from inside to outside.
Furthermore, the resistance wire heater is clamped by a clamping arm to be fixed in the box body.
Further, the motor is connected to the support through the support shaft, a rack is arranged on the support, the rack is meshed with a gear transmission rod connected to a box body frame, the motor is driven to move up and down along with the gear transmission rod by rotating a handle on the gear transmission rod, and the height of the stirring paddle in the resistance wire heater is adjusted.
Furthermore, a rectangular groove penetrating through the gear transmission rod is arranged on a frame of the box body, and the size of the rectangular groove is the same as the up-down stroke of the gear transmission rod.
Further, the temperature control panel comprises a power control button and a temperature control button; the temperature control button comprises a digital display screen and a temperature setting button, and the power supply control button comprises a switch button.
The technical scheme of the utility model has following advantage:
the utility model has the functions of accurately controlling the shearing temperature, the shearing rate and the shearing time in the preparation process of the reactive polymer modified asphalt, avoids the influence of the temperature on the curing reaction of the reactive polymer in a temperature control system, and prevents the matrix asphalt from aging due to overhigh heating temperature; the shear rate and the shear time of the reactive polymer modified asphalt can be adjusted in the rotating speed control system, so that the reactive polymer modifier can be uniformly and fully dispersed in the matrix asphalt, and the modification effect can be fully exerted.
The device can accurately control the temperature, the shearing rate and the shearing time in the preparation process, simplify the preparation process, fully exert the modification effect of the reactive polymer modifier, is economical and environment-friendly, has strong practicability, and can be widely applied to the field of preparation and production of reactive polymer modified asphalt.
Drawings
FIG. 1 is a schematic view of the vertical structure of a reactive polymer modified asphalt production apparatus of the present invention;
FIG. 2 is a schematic view of a heating device of the reaction type polymer modified asphalt preparation device of the present invention;
FIG. 3 is a schematic view of a shearing and stirring device of the reactive polymer modified asphalt preparation device of the present invention.
In the figure: 1. an outer frame; 2. an inner frame; 3. a heat-insulating layer; 4. an infrared temperature sensor; 5. a temperature control panel; 6. a motor; 7. a rotating speed control panel; 8. a gear transmission rod; 9. a stirring paddle; 10. a resistance wire heater; 11. clamping arms; 12. a support; 13. a drive shaft; 14. and supporting the shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the device for preparing reactive polymer modified asphalt provided by the embodiment of the present invention comprises a box body consisting of an outer frame 1, an inner frame 2 and a heat preservation layer 3, wherein a resistance wire heater 10 is arranged in the box body, and the resistance wire heater is fixed at the bottom of the inner frame of the box body by screws; the box body is also provided with a bracket 12, the bracket is connected with a motor 6, the motor 6 is horizontally connected through a supporting shaft 14, and the motor 6 is connected with a stirring paddle 9 extending into the resistance wire heater 10 through a transmission shaft 13; the electric heating device also comprises a gear transmission rod 8 connected to the frame of the box body, the gear transmission rod 8 is meshed with a rack on the bracket 12, the motor 6 is driven to move up and down along with the gear transmission rod 8 by rotating a handle on the gear transmission rod 8, and the height of the stirring paddle 9 in the resistance wire heater 10 is adjusted. The top of the inner frame at the bottom of the box is provided with a temperature control plate 5, an infrared temperature sensor 4 and a rotating speed control plate 7, the temperature control plate 5 is connected with the infrared temperature sensor 4 and a resistance wire heater 10 to control the temperature of modified asphalt in the resistance wire heater, and the rotating speed control plate 7 is connected with a motor 6 to control the shearing rate and the shearing time of the motor.
In this embodiment, the ventilation holes are arranged on two sides of the box outer frame 1, the rectangular groove is arranged near the outer side of the gear transmission rod 8, the size of the rectangular groove is the same as the stroke of the gear transmission rod, and the height of the stirring paddle 9 in the heating container is adjusted by rotating the gear transmission rod.
As shown in fig. 2, an embodiment of the present invention provides a structural schematic diagram of a heating system of a reactive polymer modified asphalt preparation apparatus, in this embodiment, an inner frame 2 of a box body is made of a 1mm thick iron plate, one end of a clamp arm 11 is fixed in the inner frame, one end of the clamp arm is provided with a bolt, and a resistance wire heater 10 is fixed by an adjusting bolt; the heating container is fixed through the threads on the clamping arms. The base of the bracket 12 is fixed on the bottom of the inner frame 2 to provide support for the shearing and stirring equipment.
In this embodiment, the heat preservation 3 of box adopts the asbestos material, keeps warm to the fire prevention of box, prevents heat loss, the energy saving.
In the embodiment, a temperature control system is formed by a resistance wire heater 10, an infrared temperature sensor 4 and a temperature control plate 5, the resistance wire heater is fixed at the bottom of an inner frame 2 of a box body and used for heating matrix asphalt and reactive polymer modified asphalt, a power supply, heating temperature and heating time are controlled by the temperature control plate 5, and after the temperature is set according to the curing temperature of the reactive polymer, the resistance wire heater starts to heat, so that the built-in material is heated; measuring the temperature of the modified asphalt by an infrared temperature sensor, transmitting a signal to a temperature control board when the heating temperature reaches a set temperature, and turning off a power supply of a resistance wire heater; when the temperature is lower than the set temperature, a signal is transmitted to the temperature control board, and the power supply of the resistance wire heater is started. The temperature control panel 5 comprises a power supply control button and a temperature control button; the temperature control button comprises a digital display screen and a temperature setting button, and the power supply control button comprises a switch button. The switch button is used for the power of resistance wire heater, and digital display screen is used for showing reaction type polymer modified asphalt's settlement temperature and real-time temperature, and temperature control button is used for setting up the target temperature that wants to heat, and the circuit connection between power control button, temperature control button, infrared temperature sensor and the resistance wire belongs to prior art content, and this embodiment is not repeated, and the skilled person in the art can directly connect according to above-mentioned function.
In this embodiment, the resistance wire heater 10 includes a heating portion and a reaction portion, and the heating portion is a nickel-chromium heating wire, a mineral wool insulating layer and a cast iron closed panel from inside to outside in sequence. The nickel-chromium heating wire begins to generate heat after the power supply is switched on, the heat is transferred to the cast iron closed panel, the heating of the reactive polymer modified asphalt is realized, the mineral wool heat preservation layer preserves heat of the box body, the heat loss is prevented, and the energy is saved.
As shown in fig. 3, in this embodiment, a rotation speed control system is formed by the motor 6, the stirring paddle 9, the transmission shaft 13, the gear transmission rod 8 and the rotation speed control plate 7, and the motor 6 and the stirring paddle 9 are connected by the transmission shaft 13 to form a shearing and stirring device for the reactive polymer modified asphalt, so as to shear or stir the reactive polymer modified asphalt. The motor 6 is connected with a rotating speed control panel 7, and the shearing rate and the shearing time for preparing the modified asphalt are set through a rotating speed control switch and a time control switch on a rotating speed control panel.
In the embodiment, the motor 6 is mounted on a cast iron bracket 12 through a support shaft 14 and a gear transmission rod 8, a rack is arranged on the bracket 12, a gear meshed with the rack is arranged on the gear transmission rod 8, a handle on the gear transmission rod 8 is manually rotated, the support shaft 14 connected with the gear transmission rod 8 drives the motor to move up and down along with the gear transmission rod 8, and the height of the stirring paddle 9 in the resistance wire heater 10 is adjusted.
When the device is used, the reactive polymer modified asphalt needing to be heated and sheared is placed on the resistance wire heater 10, the box cover is closed, the resistance wire heater 10 is started through the temperature control plate 5, the heating temperature is set, and the infrared temperature sensor 4 is utilized to accurately control the temperature of the reactive polymer modified asphalt; after heating for a period of time, after the reactive polymer modified asphalt is in a flowing state, the height of the stirring paddle 9 in the resistance wire heater 10 is adjusted by manually rotating the handle of the gear transmission rod 8, then the shearing stirring device is started by utilizing the rotating speed control plate 7, the shearing rate and the shearing time of the modified asphalt are set, the stirring paddle 9 starts to shear the reactive polymer modified asphalt, so that the reactive polymer modifier is fully and uniformly dispersed in the asphalt, and after the reactive polymer modifier is completely cured, the resistance wire heater 10 and the motor 6 are closed. The utility model discloses can set for heating temperature, heat time, shear rate and the shear time parameter in the preparation process according to the curing temperature and the curing time of reaction type polymer modifier, the utility model is suitable for a different kind reaction type polymer modifier, heating device can use under the processing environment of complicacy, simple structure, convenient to use.
The reaction type polymer modified asphalt preparation device that this embodiment provided has simple structure, and the preparation is convenient, and is with low costs, and on-the-spot strong adaptability, heating efficiency is high, multiple advantages such as safe environmental protection.
In summary, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application can be implemented by or using the prior art, and are not described herein again; the above embodiments are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention do not depart from the spirit of the present invention, and shall also belong to the protection scope of the claims of the present invention.
Claims (7)
1. A reaction type polymer modified asphalt preparation device is characterized by comprising a box body and a resistance wire heater (10) arranged at the bottom of the box body, wherein a motor (6) is arranged at the top of the box body, and the motor (6) is connected with a stirring paddle (9) extending into the resistance wire heater (10) through a transmission shaft (13); the device is characterized by further comprising a temperature control plate (5) and a rotating speed control plate (7) which are arranged at the top of the box body, wherein the temperature control plate (5) is connected with an infrared temperature sensor (4) and a resistance wire heater (10) to control the temperature of modified asphalt in the resistance wire heater (10), and the rotating speed control plate (7) is connected with a motor (6) to control the shearing rate and the shearing time of the motor.
2. The apparatus for preparing reactive polymer modified asphalt according to claim 1, wherein the frame of the box body comprises an inner frame (2) and an outer frame (1), and an insulating layer (3) is filled between the inner frame (2) and the outer frame (1); the inner frame (2) and the outer frame (1) are made of metal plates, and the heat-insulating layer (3) is made of asbestos materials.
3. The apparatus for preparing reactive polymer modified asphalt according to claim 1, wherein the resistance wire heater (10) comprises a heating part and a reaction part, and the heating part comprises a nickel-chromium heating wire, a mineral wool insulating layer and a cast iron closed panel in sequence from inside to outside.
4. The apparatus for preparing reactive polymer modified asphalt according to claim 1, wherein the resistance wire heater (10) is clamped by a clamping arm (11) to fix the resistance wire heater in the tank.
5. The apparatus for preparing reactive polymer modified asphalt according to claim 1, wherein the motor (6) is connected to the bracket (12) through a support shaft (14), a rack is arranged on the bracket (12), the rack is engaged with a gear transmission rod (8) connected to the frame of the tank body, the motor (6) is driven to move up and down along with the gear transmission rod (8) by rotating a handle on the gear transmission rod (8), and the height of the stirring paddle (9) in the resistance wire heater (10) is adjusted.
6. The apparatus for preparing reactive polymer modified asphalt according to claim 4, wherein the frame of the box body is provided with a rectangular groove penetrating through the gear transmission rod (8), and the size of the rectangular groove is the same as the up-down stroke of the gear transmission rod (8).
7. The apparatus for preparing reactive polymer modified asphalt according to claim 1, wherein the temperature control plate (5) comprises a power control button and a temperature control button; the temperature control button comprises a digital display screen and a temperature setting button, and the power supply control button comprises a switch button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020151001.7U CN211754144U (en) | 2020-02-03 | 2020-02-03 | Reactive polymer modified asphalt preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020151001.7U CN211754144U (en) | 2020-02-03 | 2020-02-03 | Reactive polymer modified asphalt preparation facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211754144U true CN211754144U (en) | 2020-10-27 |
Family
ID=72904235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020151001.7U Active CN211754144U (en) | 2020-02-03 | 2020-02-03 | Reactive polymer modified asphalt preparation facilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211754144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107182A (en) * | 2022-06-28 | 2022-09-27 | 广东电网有限责任公司 | Epoxy compounding device |
-
2020
- 2020-02-03 CN CN202020151001.7U patent/CN211754144U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107182A (en) * | 2022-06-28 | 2022-09-27 | 广东电网有限责任公司 | Epoxy compounding device |
| CN115107182B (en) * | 2022-06-28 | 2023-09-19 | 广东电网有限责任公司 | Epoxy compounding device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211754144U (en) | Reactive polymer modified asphalt preparation facilities | |
| CN204944977U (en) | Asphalt Emulsion Evaporation Residue content test instrument | |
| CN206570377U (en) | High intensity pellet binder preparation facilities | |
| CN212680850U (en) | Coating production is with agitating unit who has heating function | |
| CN101864183B (en) | Rubber-asphalt reaction kettle | |
| CN116330478A (en) | Concrete curing equipment for construction site | |
| CN207667494U (en) | A kind of composite modified asphalt admixture adding device | |
| CN210097557U (en) | Heat collection type constant temperature magnetic stirrer | |
| CN209406263U (en) | A kind of energy-efficient formula compounding jar | |
| CN212651717U (en) | Glass raw material stirring mixer | |
| CN210046813U (en) | Prefabricated heated board production line with scraper blade function | |
| CN201704254U (en) | Rubber asphalt reactor | |
| CN206599713U (en) | Asphalt mixing device is used in one kind experiment | |
| CN217068760U (en) | Processing equipment of gallium-based liquid metal | |
| CN218234207U (en) | External wall insulation board pre-pasting device | |
| CN216266989U (en) | Kneading machine capable of mixing uniformly | |
| CN216910312U (en) | Multi-angle horizontal paddle stirring mechanism of polyester resin reaction kettle | |
| CN105056864A (en) | Magnetic indoor rubber asphalt preparation apparatus | |
| CN221045909U (en) | Constant temperature mixing device for glue production | |
| CN213726054U (en) | Laboratory is with interpolation device of high pitch | |
| CN219743913U (en) | Evaporation device for resin production | |
| CN213761642U (en) | Device capable of uniformly stirring asphalt mortar material | |
| CN219824805U (en) | Asphalt mixture stirrer | |
| CN204841688U (en) | Indoor rubberized asphalt of magnetic -type prepares equipment | |
| CN217855562U (en) | Multifunctional mixing equipment for fine chemical engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |