Foamed asphalt cold recycling mixing station device

Abstract

The utility model relates to foamed asphalt processing technical field discloses a foamed asphalt cold recycling mixing station device, including the mixing tank, the mixing tank top is equipped with the cover body, the cover body top inboard rotationally installed has the pivot, the pivot outside is equipped with multiple groups of inclined scraper and inclined stirring board, the pivot lower extreme is installed the spherical filter grinding assembly, and the filter grinding assembly includes the upper cover and spherical bottom groove, and the upper cover is equipped with multiple groups of filter hole no.

Description

Technical Field

[0001] This utility model relates to the field of foamed asphalt processing technology, specifically to a foamed asphalt cold recycling mixing plant device. Background Technology

[0002] Foamed asphalt cold recycling mixing plants are complete sets of equipment specifically designed for producing foamed asphalt cold recycled mixtures, primarily used in asphalt pavement recycling projects during highway maintenance. Foamed asphalt cold recycling technology recycles asphalt pavement materials and cement-stabilized base materials, not only fully utilizing the residual value of old asphalt mixtures and promoting the recycling of old pavement materials, protecting the ecological environment and reducing resource waste, but also transforming semi-rigid pavement structures into semi-flexible structures, extending the service life of road asphalt.

[0003] Foamed asphalt is produced by contacting cold water with asphalt. The cold water rapidly vaporizes upon heating and is then mixed with the asphalt, resulting in a significant increase in the surface area of ​​the asphalt. During this process, the foamed asphalt undergoes a change in morphology and its temperature decreases, making it prone to forming small clumps. This affects subsequent mixing with the asphalt. The uniformity of the mixture determines the quality and service life of the asphalt pavement. Existing asphalt mixture mixing methods cannot guarantee the quality of the finished product.

[0004] To address the aforementioned technical problems, this application proposes a foamed asphalt cold recycling mixing plant device. Utility Model Content

[0005] I. Technical problems to be solved

[0006] The technical problem this invention aims to solve is that the foamed asphalt changes its morphology and, as the temperature decreases, it is prone to small agglomerations, which affect subsequent remixing with asphalt.

[0007] II. Technical Solution

[0008] To solve the above-mentioned technical problems, the technical solution provided by this utility model is: a foamed asphalt cold recycling mixing plant device, including a mixing tank, a protective frame sleeved on the outside of the mixing tank, a support frame installed at the bottom of the protective frame, and a cover installed on the top of the mixing tank;

[0009] A rotating shaft is rotatably installed on the inner side of the top of the cover. A motor connected to the rotating shaft is installed on the top of the cover. Multiple sets of inclined scrapers are provided on the outer side of the rotating shaft. Multiple sets of connecting rods are connected between the rotating shaft and the inclined scrapers. An inclined stirring plate is fixedly installed on the outer side of the middle part of the connecting rod.

[0010] A spherical filter grinding assembly is installed at the lower end of the rotating shaft. The filter grinding assembly includes an upper cover and a spherical bottom groove. The upper cover and the spherical bottom groove are fixedly connected. Multiple sets of filter holes one and filter holes two are respectively provided on the upper cover and the spherical bottom groove. Multiple sets of grinding blocks are installed at the bottom of the spherical bottom groove.

[0011] As an improvement, the inclined stirring plate is inclined in the opposite direction to the inclined scraper, and the outer side of the inclined scraper is in contact with the inner wall of the mixing tank.

[0012] As an improvement, the top cover is an arc-shaped surface, the bottom of the mixing tank is hemispherical, and an asphalt flow space is provided between the outer wall of the spherical bottom groove and the bottom of the mixing tank.

[0013] As an improvement, a connecting block one is installed at the bottom of the rotating shaft, and a connecting block two is installed at the center of the upper side of the upper cover. The connecting block one and the connecting block two are connected by multiple sets of bolts.

[0014] As an improvement, the cover is provided with a feed inlet and an air supply pipe, and a sealing cover is installed on the top of the feed inlet.

[0015] As an improvement, a discharge pipe is installed at the bottom of the mixing tank, and a material control valve is provided on the discharge pipe.

[0016] III. Beneficial Effects

[0017] The advantages of this utility model compared with the prior art are as follows:

[0018] 1. The rotating shaft drives the inclined scraper and inclined stirring plate to rotate inside the mixing tank in opposite directions. The inclined scraper cleans the mixing tank, and the inclined stirring plate evenly stirs the material inside the mixing tank.

[0019] 2. After the cold water and asphalt come into contact and mix, the asphalt is filtered through multiple sets of filter holes one and two on the top cover and the spherical bottom tank. The clumps of asphalt flow along the top cover to the space between the spherical bottom tank and the bottom of the mixing tank. The clumps of asphalt are crushed by multiple sets of grinding blocks at the bottom of the spherical bottom tank, so that the asphalt is mixed evenly. Attached Figure Description

[0020] Figure 1 This is a cross-sectional structural diagram of a foamed asphalt cold recycling mixing plant device according to the present invention.

[0021] Figure 2 This is a schematic diagram of the external structure of a foamed asphalt cold recycling mixing plant device according to this utility model.

[0022] Figure 3 This is a schematic diagram of the bottom structure of the cover of a foamed asphalt cold recycling mixing plant device according to this utility model.

[0023] Figure 4This is a schematic diagram of the upper side structure of the cover of a foamed asphalt cold recycling mixing plant device according to this utility model.

[0024] Figure 5 This is a schematic diagram of the bottom structure of the spherical bottom trough of a foamed asphalt cold recycling mixing plant device according to this utility model.

[0025] As shown in the figure: 1. Mixing tank; 2. Protective frame; 3. Support frame; 4. Cover; 5. Sealing cover; 6. Air supply pipe; 7. Motor; 8. Rotating shaft; 9. Inclined scraper; 10. Connecting rod; 11. Inclined mixing plate; 12. Connecting block one; 13. Top cover; 14. Spherical bottom groove; 15. Connecting block two; 16. Filter hole one; 17. Filter hole two; 18. Grinding block; 19. Discharge pipe; 20. Control valve. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0027] As attached Figure 2 As shown, a foamed asphalt cold recycling mixing plant includes a mixing tank 1. A protective frame 2 is fitted around the outside of the mixing tank 1. A support frame 3 is installed at the bottom of the protective frame 2. A cover 4 is installed on the top of the mixing tank 1. A sealing gasket is provided between the cover 4 and the mixing tank 1. The cover 4 is connected to the mixing tank 1 in a sealed manner by threads. The cover 4 is provided with a feed inlet and an air supply pipe 6. Asphalt raw materials and cold water are fed into the mixing tank 1 through the feed inlet. A sealing cover 5 is installed on the top of the feed inlet. After feeding is completed, the feed inlet is sealed by the sealing cover 5. An air supply device is connected to the air supply pipe 6 to supply compressed air into the mixing tank 1 through the air supply pipe 6.

[0028] As attached Figure 1 and attached Figure 3As shown, a rotating shaft 8 is rotatably installed on the inner side of the top of the cover 4. A motor 7 connected to the rotating shaft 8 is installed on the top of the cover 4. The motor 7 is connected to an external power source via a power cord. Multiple sets of inclined scrapers 9 are provided on the outer side of the rotating shaft 8. Multiple sets of connecting rods 10 are connected between the rotating shaft 8 and the inclined scrapers 9. An inclined stirring plate 11 is fixedly installed on the outer side of the middle of the connecting rod 10. The inclined stirring plate 11 and the inclined scraper 9 are inclined in opposite directions. The outer side of the inclined scraper 9 is in contact with the inner wall of the mixing tank 1. The rotating shaft 8 is driven to rotate by the motor 7, which in turn drives the multiple sets of inclined stirring plates 11 and inclined scrapers 9 to rotate. The inclined scrapers 9 clean and stir the inner wall of the mixing tank 1. The asphalt in the middle of the mixing tank 1 is stirred by the multiple sets of inclined stirring plates 11. The asphalt flows along the multiple sets of inclined scrapers 9 and inclined stirring plates 11, improving the asphalt mixing efficiency. Compressed air enters the interior of the mixing tank 1, causing bubbles to be generated in the asphalt, forming foamed asphalt.

[0029] As attached Figure 3 Appendix Figure 4 and attached Figure 5 As shown, a spherical filter grinding assembly is installed at the lower end of the rotating shaft 8. The filter grinding assembly includes an upper cover 13 and a spherical bottom groove 14. A connecting block 12 is installed at the bottom of the rotating shaft 8, and a connecting block 25 is installed at the center of the upper side of the upper cover 13. The connecting block 12 and the connecting block 25 are connected by multiple sets of bolts. The upper cover 13 and the spherical bottom groove 14 are fixedly connected. The upper cover 13 has an arc-shaped surface. Multiple sets of filter holes 16 and filter holes 17 are respectively provided on the upper cover 13 and the spherical bottom groove 14. Foamed asphalt enters between the upper cover 13 and the spherical bottom trough 14 through multiple sets of filter holes 16. As the upper cover 13 and the spherical bottom trough 14 rotate, the foamed asphalt is discharged to the bottom of the mixing tank 1 through multiple sets of filter holes 17. A discharge pipe 19 is installed at the bottom of the mixing tank 1. A control valve 20 is provided on the discharge pipe 19. When the control valve 20 is opened, the asphalt is discharged through the discharge pipe 19. The upper cover 13 and the spherical bottom trough 14 are connected by multiple sets of bolts and can be disassembled to facilitate cleaning of the inside of the upper cover 13 and the spherical bottom trough 14.

[0030] Multiple sets of grinding blocks 18 are installed at the bottom of the spherical bottom groove 14. The bottom of the mixing tank 1 is hemispherical. An asphalt flow space is provided between the outer wall of the spherical bottom groove 14 and the bottom of the mixing tank 1. The asphalt with clumps flows downward along the upper side of the top cover 13 and flows to the space between the spherical bottom groove 14 and the bottom of the mixing tank 1. When the spherical bottom groove 14 rotates, it drives the multiple sets of grinding blocks 18 to crush the clumps of asphalt, so that the asphalt is mixed evenly and then discharged through the discharge pipe 19.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0033] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A foamed asphalt cold recycling mixing plant device, comprising a mixing tank (1), a protective frame (2) sleeved on the outside of the mixing tank (1), a support frame (3) installed at the bottom of the protective frame (2), and a cover (4) installed on the top of the mixing tank (1), characterized in that: A rotating shaft (8) is rotatably installed on the inner side of the top of the cover (4). A motor (7) connected to the rotating shaft (8) is installed on the top of the cover (4). Multiple sets of inclined scrapers (9) are provided on the outer side of the rotating shaft (8). Multiple sets of connecting rods (10) are connected between the rotating shaft (8) and the inclined scrapers (9). An inclined stirring plate (11) is fixedly installed on the outer side of the middle part of the connecting rod (10). A spherical filter grinding assembly is installed at the lower end of the rotating shaft (8). The filter grinding assembly includes an upper cover (13) and a spherical bottom groove (14). The upper cover (13) and the spherical bottom groove (14) are fixedly connected. The upper cover (13) and the spherical bottom groove (14) are respectively provided with multiple sets of filter holes one (16) and filter holes two (17). Multiple sets of grinding blocks (18) are installed at the bottom of the spherical bottom groove (14).

2. The foamed asphalt cold recycling mixing plant device according to claim 1, characterized in that: The inclined stirring plate (11) is inclined in the opposite direction to the inclined scraper (9), and the outer side of the inclined scraper (9) is in contact with the inner wall of the stirring tank (1).

3. The foamed asphalt cold recycling mixing plant device according to claim 1, characterized in that: The top cover (13) is an arc-shaped surface, the bottom of the mixing tank (1) is hemispherical, and an asphalt flow space is provided between the outer wall of the spherical bottom groove (14) and the bottom of the mixing tank (1).

4. The foamed asphalt cold recycling mixing plant device according to claim 3, characterized in that: A connecting block 1 (12) is installed at the bottom of the rotating shaft (8), and a connecting block 2 (15) is installed at the center of the upper side of the upper cover (13). The connecting block 1 (12) and the connecting block 2 (15) are connected by multiple sets of bolts.

5. The foamed asphalt cold recycling mixing plant device according to claim 1, characterized in that: The cover (4) is provided with a feed inlet and an air supply pipe (6), and a sealing cover (5) is installed on the top of the feed inlet.

6. The foamed asphalt cold recycling mixing plant device according to claim 5, characterized in that: The bottom of the mixing tank (1) is equipped with a discharge pipe (19), and a control valve (20) is provided on the discharge pipe (19).

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