Asphalt regeneration device

Abstract

The utility model discloses an asphalt regeneration device and relates to the technical field of preparation of pavement materials. The asphalt regeneration device comprises asphalt regeneration equipment and a stirring device, the stirring device is arranged in the asphalt regeneration equipment and comprises a driving motor support, the driving motor support is fixedly connected to the upper end of the asphalt regeneration equipment, and the output end of the driving motor support is fixedly connected with a first rotating shaft; the first rotating shaft is rotationally connected with the asphalt regeneration equipment, the lower end of the first rotating shaft is fixedly connected with a driving box, the bottom of the asphalt regeneration equipment is fixedly connected with a fixed shaft, the fixed shaft extends into the driving box, and the asphalt is conveniently stirred through revolution and rotation of a second rotating shaft and spiral stirring blades and stirring of stirring paddles on the asphalt; the asphalt and the lubricating oil are uniformly mixed, so that the asphalt on the upper layer and the asphalt on the lower layer are mixed, the asphalt mixing uniformity is improved, the asphalt regeneration efficiency is improved, and the quality of the regenerated asphalt is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of preparation of paving materials, in particular to an asphalt regeneration device. Background Art

[0002] Asphalt is generally used for road paving. Asphalt recycling technology is to dig up, recycle, crush, and screen old asphalt pavements that need to be renovated or abandoned, and then add regeneration agents, new asphalt, new aggregates, etc., and remix them to form a recycled asphalt mixture with certain road performance. It is a complete set of process technology for paving the surface or base layer of the road.

[0003] The recycling of asphalt pavement can save a lot of raw materials such as asphalt, sand and gravel, save project investment, and is conducive to the treatment of waste and protection of the environment. Therefore, it has significant economic, social and environmental benefits. When mixing the old asphalt, due to the high viscosity of asphalt, there is a problem that the bottom sediment cannot be mixed with the upper asphalt during stirring and mixing, resulting in uneven heating of the upper asphalt, affecting the quality of the recycled asphalt. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide an asphalt regeneration device that can solve the problem that when mixing old asphalt, due to the high viscosity of asphalt, the bottom sediment cannot be mixed with the upper asphalt during stirring and mixing, resulting in uneven heating of the upper asphalt and affecting the quality of the regenerated asphalt.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an asphalt regeneration device, comprising an asphalt regeneration device, a stirring device, the stirring device is arranged inside the asphalt regeneration device, the stirring device comprises a drive motor bracket, and the drive motor bracket is fixedly connected to the upper end of the asphalt regeneration device;

[0006] The output end of the driving motor bracket is fixedly connected with a first rotating shaft, the first rotating shaft is rotatably connected with the asphalt regeneration equipment, the lower end of the first rotating shaft is fixedly connected with a driving box, and the bottom of the asphalt regeneration equipment is fixedly connected with a fixed shaft;

[0007] Among them, a first scraper is rotatably sleeved on the surface of the fixed shaft, the first scraper is fixedly connected to the lower end of the driving box, and the fixed shaft extends to the interior of the driving box.

[0008] Preferably, the stirring device further comprises disc teeth, which are fixedly connected to the surface of the fixed shaft, the interior of the driving box is rotatably connected to a second rotating shaft, the surface of the second rotating shaft is fixedly connected to bevel teeth, and the bevel teeth are meshed with the fixed shaft;

[0009] Among them, the surface of the second rotating shaft is fixedly connected with a spiral stirring blade, the surface of the first rotating shaft is fixedly connected with two stirring paddles, the number of the second rotating shaft, the bevel gear and the spiral stirring blade are two, and they are symmetrically arranged at both ends of the drive box.

[0010] Preferably, a heater is fixedly connected to the bottom of the asphalt regeneration equipment, an asphalt inlet is fixedly connected to the upper end of the asphalt regeneration equipment, and an asphalt outlet is fixedly connected to the lower end of the asphalt regeneration equipment.

[0011] Preferably, a second scraper connecting rod is fixedly connected to the surface of the first rotating shaft, and two ends of the second scraper connecting rod are respectively fixedly connected to the second scraper;

[0012] Among them, one end of the two second scrapers away from the second scraper connecting rod is fixedly connected to the first scraper, and the second scraper is in an arc shape and contacts the inner wall of the asphalt regeneration equipment.

[0013] Preferably, the upper end of the asphalt regeneration equipment is fixedly connected to a liquid pump, the input end of the liquid pump is fixedly connected to a liquid pump input pipe, the liquid pump input pipe is connected to an external lubricating oil barrel, and the output end of the liquid pump is fixedly connected to a liquid pump output pipe;

[0014] Wherein, a rotary joint is rotatably sleeved on the surface of the first rotating shaft, and the rotary joint is fixedly connected to the output pipe of the liquid pump.

[0015] Preferably, the first rotating shaft is a hollow structure, a liquid pipeline is fixedly connected to the surface of the first rotating shaft, and the liquid pipeline is a hollow structure;

[0016] The interior of the liquid pipeline is communicated with the interior of the first rotating shaft, and a plurality of nozzles are fixedly connected to the lower end of the liquid pipeline.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] (1) The asphalt regeneration device facilitates the mixing of asphalt through the revolution and rotation of the second rotating shaft and the spiral stirring blades, as well as the stirring of the asphalt by the stirring paddle, so that the asphalt and the lubricating oil are evenly mixed, and the asphalt in the upper layer is mixed with the asphalt in the lower layer, thereby improving the uniformity of the asphalt mixing, facilitating the uniform heating of the asphalt, improving the regeneration efficiency of the asphalt, and improving the quality of the regenerated asphalt.

[0019] (2) The asphalt regeneration device sprays lubricating oil into the interior of the asphalt regeneration equipment through a nozzle, and the rotation of the nozzle facilitates full contact between the lubricating oil and the asphalt, thereby improving the uniformity of the mixing of the lubricating oil and the asphalt, restoring the adhesion, flexibility and durability of the asphalt, and improving the stability of the regenerated asphalt. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0021] Figure 1 This is a schematic diagram of the structure of an asphalt regeneration device of the utility model;

[0022] Figure 2 This is a schematic diagram of the asphalt regeneration equipment of the utility model;

[0023] Figure 3 This is a schematic diagram of the first rotating shaft of the utility model;

[0024] Figure 4 For this utility model Figure 3 Enlarged schematic diagram at point A in the middle.

[0025] Figure numerals: 1. Asphalt regeneration equipment; 2. Asphalt inlet; 3. Asphalt outlet; 4. Rotary joint; 5. Drive motor bracket; 6. Drive motor; 7. Liquid pump; 8. Liquid pump output pipe; 9. Liquid pump input pipe; 10. First rotating shaft; 11. Liquid pipeline; 12. Nozzle; 13. Drive box; 14. First scraper; 15. Fixed shaft; 16. Disc gear; 17. Second rotating shaft; 18. Bevel gear; 19. Agitator; 20. Second scraper connecting rod; 21. Second scraper; 22. Spiral stirring blade; 23. Heater. DETAILED DESCRIPTION

[0026] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0027] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0029] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0030] See also Figure 1-4 The utility model provides a technical solution: an asphalt regeneration device, including an asphalt regeneration device 1 and a stirring device. The stirring device is arranged inside the asphalt regeneration device 1, and the stirring device includes a driving motor bracket 5. The driving motor bracket 5 is fixedly connected to the upper end of the asphalt regeneration device 1, and the output end of the driving motor bracket 5 is fixedly connected to a first rotating shaft 10. The first rotating shaft 10 is rotatably connected to the asphalt regeneration device 1, and the lower end of the first rotating shaft 10 is fixedly connected to a driving box 13. The bottom of the asphalt regeneration device 1 is fixedly connected to a fixed shaft 15, and a first scraper 14 is rotatably sleeved on the surface of the fixed shaft 15. The first scraper 14 is fixedly connected to the lower end of the driving box 13, and the fixed shaft 15 extends to the inside of the driving box 13.

[0031] The stirring device also includes a disc tooth 16, which is fixedly connected to the surface of the fixed shaft 15. The second rotating shaft 17 is rotatably connected inside the driving box 13. The surface of the second rotating shaft 17 is fixedly connected to an umbrella tooth 18. The umbrella tooth 18 and the fixed shaft 15 are meshed with each other. The surface of the second rotating shaft 17 is fixedly connected to a spiral stirring blade 22. The surface of the first rotating shaft 10 is fixedly connected to two stirring paddles 19. There are two second rotating shafts 17, two umbrella teeth 18 and two spiral stirring blades 22, and they are symmetrically arranged at both ends of the driving box 13.

[0032] A heater 23 is fixedly connected to the bottom of the asphalt regeneration device 1 , an asphalt inlet 2 is fixedly connected to the upper end of the asphalt regeneration device 1 , and an asphalt outlet 3 is fixedly connected to the lower end of the asphalt regeneration device 1 .

[0033] A second scraper connecting rod 20 is fixedly connected to the surface of the first rotating shaft 10, and second scrapers 21 are fixedly connected to both ends of the second scraper connecting rod 20. One end of the two second scrapers 21 away from the second scraper connecting rod 20 is fixedly connected to the first scraper 14. The second scraper 21 is arc-shaped and contacts the inner wall of the asphalt regeneration equipment 1.

[0034] The upper end of the asphalt regeneration equipment 1 is fixedly connected to a liquid pump 7, the input end of the liquid pump 7 is fixedly connected to a liquid pump input pipe 9, the liquid pump input pipe 9 is connected to an external lubricating oil barrel, the output end of the liquid pump 7 is fixedly connected to a liquid pump output pipe 8, the surface of the first rotating shaft 10 is rotatably sleeved with a rotary joint 4, the rotary joint 4 is fixedly connected to the liquid pump output pipe 8, the first rotating shaft 10 is a hollow structure, the surface of the first rotating shaft 10 is fixedly connected to a liquid pipeline 11, the liquid pipeline 11 is a hollow structure, the interior of the liquid pipeline 11 is connected to the interior of the first rotating shaft 10, and the lower end of the liquid pipeline 11 is fixedly connected to a plurality of nozzles 12.

[0035] When using the device, first add the crushed asphalt into the asphalt regeneration equipment 1 from the asphalt feed port 2, start the heater 23 to heat the asphalt inside the asphalt regeneration equipment 1, and then start the liquid pump 7 to spray the lubricating oil from the liquid pump output pipe 8, the rotary joint 4, the first rotating shaft 10 and the liquid pipeline 11 through the liquid pump input pipe 9 and then from the nozzle 12 to the asphalt surface.

[0036] Start the drive motor 6 to drive the first rotating shaft 10 to rotate. The first rotating shaft 10 drives the stirring paddle 19, the driving box 13 and the first scraper 14 to rotate. The driving box 13 drives the second rotating shaft 17 to rotate. The driving box 13 rotates on the surface of the fixed shaft 15. The second rotating shaft 17 drives the bevel gear 18 to rotate. Since the bevel gear 18 is meshed with the fixed shaft 15, the bevel gear 18 rotates while revolving around the driving box 13. The bevel gear 18 drives the second rotating shaft 17 to rotate. The second rotating shaft 17 drives the spiral stirring blade 22 to rotate to stir the asphalt, so that the asphalt undergoes convection under the stirring of the spiral stirring blade 22 and the stirring paddle 19, which facilitates the mixing of the upper asphalt and the lower asphalt, improves the uniformity of the mixing, and improves the uniformity of the heating of the asphalt.

[0037] The first rotating shaft 10 drives the liquid pipeline 11 and the nozzle 12 to rotate, so as to facilitate full contact between the lubricating oil and the asphalt and improve the uniformity of mixing. The first rotating shaft 10 drives the second scraper 21 and the first scraper 14 to rotate, so as to facilitate the first scraper 14 and the second scraper 21 to scrape off the asphalt attached to the bottom and inner wall of the asphalt regeneration equipment, reduce the corrosion of the asphalt on the inner wall of the asphalt regeneration equipment 1, and improve the service life of the asphalt regeneration equipment 1.

[0038] Furthermore, through the revolution and rotation of the second rotating shaft 17 and the spiral stirring blade 22, and the stirring of the asphalt by the stirring paddle 19, the asphalt can be stirred so that the asphalt and the lubricating oil are mixed evenly, and the asphalt in the upper layer is mixed with the asphalt in the lower layer, thereby improving the uniformity of the asphalt mixing, facilitating uniform heating of the asphalt, improving the regeneration efficiency of the asphalt, and improving the quality of the recycled asphalt.

[0039] The lubricating oil is sprayed into the interior of the asphalt regeneration equipment through the nozzle 12, and the rotation of the nozzle 12 facilitates full contact between the lubricating oil and asphalt, thereby improving the uniformity of the mixing of the lubricating oil and asphalt, restoring the adhesion, flexibility and durability of the asphalt, and improving the stability of the regenerated asphalt.

[0040] Working principle: When using the device, first add the crushed asphalt from the asphalt feed port 2 to the interior of the asphalt regeneration equipment 1, and start the heater 23 to heat the asphalt inside the asphalt regeneration equipment 1, and then start the liquid pump 7 to pass the liquid pump input pipe 9 to spray the lubricating oil from the liquid pump output pipe 8, the rotary joint 4, the first rotating shaft 10 and the liquid pipeline 11 and then from the nozzle 12 to the asphalt surface.

[0041] Start the drive motor 6 to drive the first rotating shaft 10 to rotate. The first rotating shaft 10 drives the stirring paddle 19, the driving box 13 and the first scraper 14 to rotate. The driving box 13 drives the second rotating shaft 17 to rotate. The driving box 13 rotates on the surface of the fixed shaft 15. The second rotating shaft 17 drives the bevel gear 18 to rotate. Since the bevel gear 18 is meshed with the fixed shaft 15, the bevel gear 18 rotates while revolving around the driving box 13. The bevel gear 18 drives the second rotating shaft 17 to rotate. The second rotating shaft 17 drives the spiral stirring blade 22 to rotate to stir the asphalt, so that the asphalt undergoes convection under the stirring of the spiral stirring blade 22 and the stirring paddle 19, which facilitates the mixing of the upper asphalt and the lower asphalt, improves the uniformity of the mixing, and improves the uniformity of the heating of the asphalt.

[0042] The first rotating shaft 10 drives the liquid pipeline 11 and the nozzle 12 to rotate, so as to facilitate full contact between the lubricating oil and the asphalt and improve the uniformity of mixing. The first rotating shaft 10 drives the second scraper 21 and the first scraper 14 to rotate, so as to facilitate the first scraper 14 and the second scraper 21 to scrape off the asphalt attached to the bottom and inner wall of the asphalt regeneration equipment, reduce the corrosion of the asphalt on the inner wall of the asphalt regeneration equipment 1, and improve the service life of the asphalt regeneration equipment 1.

[0043] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An asphalt regeneration device, characterized in that: It comprises an asphalt regeneration device (1) and a stirring device, wherein the stirring device is arranged inside the asphalt regeneration device (1), and the stirring device comprises a drive motor bracket (5), and the drive motor bracket (5) is fixedly connected to the upper end of the asphalt regeneration device (1); The output end of the driving motor bracket (5) is fixedly connected to a first rotating shaft (10), the first rotating shaft (10) is rotatably connected to the asphalt regeneration device (1), the lower end of the first rotating shaft (10) is fixedly connected to a driving box (13), and the bottom of the asphalt regeneration device (1) is fixedly connected to a fixed shaft (15); The surface of the fixed shaft (15) is rotatably sleeved with a first scraper (14), the first scraper (14) is fixedly connected to the lower end of the drive box (13), and the fixed shaft (15) extends to the interior of the drive box (13).

2. The asphalt regeneration device according to claim 1, characterized in that: The stirring device further comprises disc teeth (16), the disc teeth (16) being fixedly connected to the surface of the fixed shaft (15), the interior of the driving box (13) being rotatably connected to a second rotating shaft (17), the surface of the second rotating shaft (17) being fixedly connected to an umbrella tooth (18), the umbrella tooth (18) being meshed with the fixed shaft (15); The surface of the second rotating shaft (17) is fixedly connected with a spiral stirring blade (22), the surface of the first rotating shaft (10) is fixedly connected with two stirring paddles (19), and the number of the second rotating shaft (17), the bevel gear (18) and the spiral stirring blade (22) is two and they are symmetrically arranged at both ends of the driving box (13).

3. The asphalt regeneration device according to claim 1, characterized in that: The bottom of the asphalt regeneration device (1) is fixedly connected to a heater (23), the upper end of the asphalt regeneration device (1) is fixedly connected to an asphalt inlet (2), and the lower end of the asphalt regeneration device (1) is fixedly connected to an asphalt outlet (3).

4. The asphalt regeneration device according to claim 1, characterized in that: A second scraper connecting rod (20) is fixedly connected to the surface of the first rotating shaft (10), and two ends of the second scraper connecting rod (20) are respectively fixedly connected to second scrapers (21); The ends of the two second scrapers (21) away from the second scraper connecting rod (20) are fixedly connected to the first scraper (14); the second scrapers (21) are arc-shaped and contact the inner wall of the asphalt regeneration equipment (1).

5. The asphalt regeneration device according to claim 1, characterized in that: The upper end of the asphalt regeneration device (1) is fixedly connected to a liquid pump (7), the input end of the liquid pump (7) is fixedly connected to a liquid pump input pipe (9), the liquid pump input pipe (9) is connected to an external lubricating oil barrel, and the output end of the liquid pump (7) is fixedly connected to a liquid pump output pipe (8); A rotary joint (4) is rotatably sleeved on the surface of the first rotating shaft (10), and the rotary joint (4) is fixedly connected to the liquid pump output pipe (8).

6. The asphalt regeneration device according to claim 1, characterized in that: The first rotating shaft (10) is a hollow structure, a liquid pipeline (11) is fixedly connected to the surface of the first rotating shaft (10), and the liquid pipeline (11) is a hollow structure; The interior of the liquid pipeline (11) is in communication with the interior of the first rotating shaft (10), and a plurality of nozzles (12) are fixedly connected to the lower end of the liquid pipeline (11).

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