Asphalt concrete heating, separating and recycling device
By introducing the combined design of stirring rollers and stirring rods into the asphalt concrete recycling device, the problem of uneven heating of the material is solved, and more efficient heating and uniform separation and recovery are achieved.
Patent Information
- Application Number
- CN202422114994.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-08-30
AI Technical Summary
In the existing asphalt concrete recycling device, the material far away from the material rod is difficult to contact the material rod due to being squeezed out by other materials, resulting in uneven heating of the material.
The combination design of stirring roller and stirring rod is adopted. The stirring roller drives the stirring rod to fully contact and stir the material, so that the material is heated more evenly. Combined with the crushing mechanism, large pieces of material are broken into small pieces, which is convenient for subsequent heating and stirring.
It achieves full mixing and heating of asphalt concrete, improves heating efficiency and uniformity, and ensures that the material is heated evenly during the separation and recovery process.
Smart Images

Figure CN223358045U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of recovery devices, in particular to an asphalt concrete heating separation and recovery device. Background Art
[0002] Asphalt concrete is a mixture of artificially selected mineral materials with a certain graded composition, crushed stone or crushed gravel, stone chips or sand, mineral powder, etc., and a certain proportion of road asphalt materials. Asphalt pavement is affected by various natural factors and will gradually age over time. The aged asphalt concrete needs to be recycled and reused through a heating separation and recovery device.
[0003] According to a separator for recycling asphalt concrete disclosed on the patent website (authorization announcement number: CN 218203699U), "the motor (14) is installed on a group of side plates (13) and the power output end is connected to the rotating roller (15), and the material stripping plates (16) are divided into several groups and evenly installed on the rotating roller (15).
[0004] In view of the above description, the applicant believes that the following problems exist:
[0005] During use of the utility model, since the device drives the material-moving rod to stir the material inside the separation chamber through the rotating roller, so that the material is heated evenly, but the size of the separation chamber is larger than the contact range of the material-moving rod, so when the material-moving rod rotates and stirs, the material far away from the material-moving rod is squeezed out by other materials and is difficult to contact the material-moving rod. If it is not stirred, it will stay in one position for a long time, resulting in uneven heating of the material. Therefore, it is necessary to improve an asphalt concrete heating separation and recovery device to solve the above problem. Utility Model Content
[0006] In order to overcome the problem that the material far away from the material rod is squeezed out by other materials, it is difficult for it to contact the material rod. If it is not stirred, it will stay in one position for a long time, resulting in uneven heating of the material.
[0007] The technical solution of the utility model is: an asphalt concrete heating separation and recovery device, including a separation chamber, a heating rod, a stirring roller, a stirring rod, a first gear, a stirring mechanism and a crushing mechanism. The separation chamber is provided with a heating rod, the separation chamber is provided with a stirring mechanism, the top of the separation chamber is provided with a crushing mechanism, the stirring roller is provided with a stirring mechanism, the outside of the stirring roller is fixedly connected to the stirring rod, the outside of the stirring roller is fixedly connected to the first gear, the stirring roller drives the stirring rod to fully contact and stir the material, so that the material is heated more evenly.
[0008] Preferably, the aged asphalt concrete is added to the interior of the crushing box through the feed port, the second motor drives the two crushing rollers to crush the asphalt concrete into small pieces, and the pieces fall into the interior of the separation chamber through the guide port, and the asphalt is melted by the heating of the heating rod. At the same time, the stirring roller is driven by the connecting shaft to make the stirring rod stir the material, so that the asphalt concrete is heated evenly, the melted liquid is filtered and discharged through the filter screen, and the aggregate is discharged by the third motor opening the baffle to achieve separation and recovery.
[0009] Preferably, a filter is fixedly connected to the inside of the separation chamber, a drain port is fixedly connected to the bottom of the filter, a third motor is fixedly connected to the front of the separation chamber, a baffle is fixedly connected to the output end of the third motor, the baffle is rotatably connected to the inside of the separation chamber, and a support leg is fixedly connected to the outside of the separation chamber. The raised filter screen discharges the liquid to prevent aggregate from accumulating on the surface of the filter screen.
[0010] Preferably, the stirring mechanism includes a support plate, which is fixedly connected to the top of the separation chamber, a first motor is fixedly connected to the outer side of the support plate, an output end of the first motor is fixedly connected to a connecting shaft, the connecting shaft is rotatably connected to the inside of the support plate, the outside of the connecting shaft is fixedly connected to a connecting frame, the bottom of the connecting frame is fixedly connected to a protective plate, the protective plate is slidably connected to the inside of the separation chamber, the stirring roller is rotatably connected to the inside of the protective plate, the outside of the first gear is meshed with an arc-shaped tooth plate, the arc-shaped tooth plate is fixedly connected to the front and back of the separation chamber, and the stirring rod is driven by the protective plate to contact the material over a large range, so that the material is fully and evenly heated.
[0011] Preferably, two arc-shaped tooth plates are provided, and the two arc-shaped tooth plates are symmetrically fixedly connected to the front and back of the separation chamber. By driving the first gear to rotate through the two arc-shaped tooth plates, the two sides of the stirring roller can be rotated synchronously in contact with each other to prevent the stirring roller from tilting.
[0012] Preferably, the separation chamber is provided with a chute at a corresponding position of the protective plate, and the protective plate slides inside the chute, the chute is used to guide and limit the protective plate, and the protective plate can prevent material from leaking out.
[0013] Preferably, the crushing mechanism includes a crushing box, which is fixedly connected to the top of the separation chamber, the top of the crushing box is fixedly connected to a feed port, the inside of the crushing box is fixedly connected to a guide port, the front of the crushing box is fixedly connected to a second motor, the output end of the second motor is fixedly connected to a crushing roller, the crushing roller is rotatably connected to the inside of the crushing box, and the outside of the crushing roller is fixedly connected to a second gear, which crushes the material into small pieces for subsequent heating and stirring.
[0014] Preferably, two second gears are provided, and the two second gears are meshed with each other. The two crushing rollers can be rotated synchronously and in opposite directions by the two gears transmitting to each other.
[0015] Beneficial effects of the utility model:
[0016] 1. The protective plate is driven to swing back and forth by the first motor, and at the same time, the stirring roller is engaged with the arc-shaped tooth plate through the first gear to rotate the stirring roller. When the stirring roller swings back and forth, the stirring rod is driven to rotate, so that the asphalt concrete inside the separation chamber can be fully stirred, so that the asphalt concrete can be fully stirred and heated more evenly and efficiently.
[0017] The two crushing rollers are rotated synchronously by the second gear, so that the crushing rollers can crush large pieces of asphalt concrete into small pieces to facilitate subsequent stirring and heating, making the asphalt concrete easier to heat and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the appearance structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the decomposition structure of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the stirring mechanism of the utility model;
[0021] Figure 4 This is a schematic diagram of the crushing mechanism structure of the utility model.
[0022] Explanation of the accompanying drawings: 1. Separation chamber; 21. Support plate; 22. First motor; 23. Connecting shaft; 24. Connecting frame; 25. Protective plate; 26. Stirring roller; 27. Stirring rod; 28. First gear; 29. Arc tooth plate; 31. Crushing box; 32. Feed port; 33. Guide port; 34. Second motor; 35. Crushing roller; 36. Second gear; 4. Heating rod; 5. Filter screen; 6. Drain port; 7. Third motor; 8. Baffle; 9. Support leg. DETAILED DESCRIPTION
[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0024] See also Figures 1-4The utility model provides an embodiment: an asphalt concrete heating separation and recovery device, comprising a separation chamber 1, a heating rod 4, a stirring roller 26, a stirring rod 27, a first gear 28, a stirring mechanism and a crushing mechanism. The separation chamber 1 is provided with a heating rod 4, the separation chamber 1 is provided with a stirring mechanism, the top of the separation chamber 1 is provided with a crushing mechanism, the stirring mechanism is provided with a stirring roller 26, the outside of the stirring roller 26 is fixedly connected to the stirring rod 27, the outside of the stirring roller 26 is fixedly connected to the first gear 28, the stirring roller 26 drives the stirring rod 27 to fully contact and stir the material, so that the material is heated more evenly, the aged asphalt concrete is added to the inside of the crushing box 31 through the feed port 32, and the second motor 34 drives the two crushing rollers 35 The asphalt concrete is broken into small pieces and falls into the interior of the separation chamber 1 through the guide port 33. The asphalt is melted by the heating of the heating rod 4. At the same time, the stirring roller 26 is driven by the connecting shaft 23 to make the stirring rod 27 stir the material so that the asphalt concrete is heated evenly. The melted liquid is filtered and discharged through the filter screen 5, and the aggregate is discharged by opening the baffle 8 through the third motor 7 to achieve separation and recovery. The interior of the separation chamber 1 is fixedly connected with the filter screen 5, and the bottom of the filter screen 5 is fixedly connected with the drain port 6. The front of the separation chamber 1 is fixedly connected with the third motor 7, and the output end of the third motor 7 is fixedly connected with the baffle 8. The baffle 8 is rotatably connected to the interior of the separation chamber 1, and the outside of the separation chamber 1 is fixedly connected with the support leg 9. The raised filter screen 5 discharges the liquid to prevent the aggregate from accumulating on the surface of the filter screen 5.
[0025] See also Figure 1-Figure 3 In this embodiment, the stirring mechanism includes a support plate 21, the support plate 21 is fixedly connected to the top of the separation chamber 1, the outer side of the support plate 21 is fixedly connected to the first motor 22, the output end of the first motor 22 is fixedly connected to the connecting shaft 23, the connecting shaft 23 is rotatably connected to the inside of the support plate 21, the outside of the connecting shaft 23 is fixedly connected to the connecting frame 24, the bottom of the connecting frame 24 is fixedly connected to the protective plate 25, the protective plate 25 is slidably connected to the inside of the separation chamber 1, the stirring roller 26 is rotatably connected to the inside of the protective plate 25, the outer side of the first gear 28 is meshed with an arcuate tooth plate 29, and the arcuate tooth plate 29 is fixedly connected It is connected to the front and back of the separation chamber 1, and drives the stirring rod 27 to contact the material in a large range through the protective plate 25, so that the material is fully and evenly heated. Two arc-shaped tooth plates 29 are provided, and the two arc-shaped tooth plates 29 are symmetrically fixedly connected to the front and back of the separation chamber 1. The first gear 28 is driven to rotate by the two arc-shaped tooth plates 29, so that the stirring roller 26 can rotate and rotate synchronously on both sides to prevent the stirring roller 26 from tilting. The separation chamber 1 is provided with a chute at the corresponding position of the protective plate 25, and the protective plate 25 slides inside the chute. The chute guides and limits the protective plate 25, and the protective plate 25 can prevent the material from leaking.
[0026] See also Figure 1 、 Figure 4 In this embodiment, the crushing mechanism includes a crushing box 31, which is fixedly connected to the top of the separation chamber 1. A feed port 32 is fixedly connected to the top of the crushing box 31, a guide port 33 is fixedly connected to the inside of the crushing box 31, and a second motor 34 is fixedly connected to the front of the crushing box 31. A crushing roller 35 is fixedly connected to the output end of the second motor 34. The crushing roller 35 is rotatably connected to the inside of the crushing box 31, and a second gear 36 is fixedly connected to the outside of the crushing roller 35 to crush the material into small pieces for subsequent heating and stirring. Two second gears 36 are provided, and the two second gears 36 are meshed with each other. The two crushing rollers 35 can rotate synchronously and in opposite directions by transmitting the two gears to each other.
[0027] During operation, asphalt concrete is added to the interior of the crushing box 31 through the feed port 32, the second motor 34 drives the crushing roller 35, the crushing roller 35 drives the second gear 36, and the second gear 36 makes the two crushing rollers 35 rotate synchronously, the crushing roller 35 rotates to crush the asphalt concrete and discharge it into the interior of the separation chamber 1 through the guide port 33, and the separation chamber 1 heats the asphalt concrete through the heating rod 4, the first motor 22 drives the connecting shaft 23, the connecting shaft 23 drives the connecting frame 24, the connecting frame 24 drives the protective plate 25, the protective plate 25 drives the stirring roller 26, the stirring roller 26 engages the arc-shaped tooth plate 29 through the first gear 28, so that the protective plate 25 slides while the stirring roller 26 rotates through the first gear 28, the stirring roller 26 rotates and drives the stirring rod 27, and the asphalt concrete is stirred through the stirring rod 27, the heated aggregate is filtered through the filter screen 5, the liquid is discharged through the filter screen 5 and the drain port 6, and the aggregate remains in the interior of the separation chamber 1, and the third motor 7 drives the baffle 8 to rotate and open, and the aggregate is discharged through the position of the baffle 8.
[0028] Through the above steps, the first motor drives the protective plate to swing back and forth, and drives the stirring rod to rotate while the stirring roller swings back and forth, so that the asphalt concrete inside the separation chamber can be fully stirred and heated, so as to solve the problem that the material far away from the material rod is squeezed out by other materials and is difficult to contact the material rod. If it is not stirred, it will stay in one position for a long time, resulting in uneven heating of the material.
Claims
1. An asphalt concrete heating separation and recovery device, comprising a separation chamber (1) and a heating rod (4), characterized in that: The invention also includes a stirring roller (26), a stirring rod (27), a first gear (28), a stirring mechanism and a crushing mechanism. A heating rod (4) is provided inside the separation chamber (1), a stirring mechanism is provided inside the separation chamber (1), a crushing mechanism is provided on the top of the separation chamber (1), a stirring roller (26) is provided inside the stirring mechanism, a stirring rod (27) is fixedly connected to the outside of the stirring roller (26), and a first gear (28) is fixedly connected to the outside of the stirring roller (26). The stirring rod (27) is driven by the stirring roller (26) to fully contact and stir the material, so that the material is heated more evenly.
2. The asphalt concrete heating separation and recovery device according to claim 1, characterized in that: The interior of the separation chamber (1) is fixedly connected to a filter screen (5), the bottom of the filter screen (5) is fixedly connected to a drain port (6), the front of the separation chamber (1) is fixedly connected to a third motor (7), the output end of the third motor (7) is fixedly connected to a baffle (8), the baffle (8) is rotatably connected to the interior of the separation chamber (1), and the exterior of the separation chamber (1) is fixedly connected to a support leg (9).
3. The asphalt concrete heating separation and recovery device according to claim 1, characterized in that: The stirring mechanism includes a support plate (21), the support plate (21) is fixedly connected to the top of the separation chamber (1), the outer side of the support plate (21) is fixedly connected to a first motor (22), the output end of the first motor (22) is fixedly connected to a connecting shaft (23), the connecting shaft (23) is rotatably connected to the inside of the support plate (21), the outside of the connecting shaft (23) is fixedly connected to a connecting frame (24), the bottom of the connecting frame (24) is fixedly connected to a protective plate (25), the protective plate (25) is slidably connected to the inside of the separation chamber (1), the stirring roller (26) is rotatably connected to the inside of the protective plate (25), the outer side of the first gear (28) is meshed with an arc-shaped tooth plate (29), and the arc-shaped tooth plate (29) is fixedly connected to the front and back of the separation chamber (1).
4. The asphalt concrete heating separation and recovery device according to claim 3, characterized in that: Two arc-shaped tooth plates (29) are provided, and the two arc-shaped tooth plates (29) are symmetrically fixedly connected to the front and back of the separation chamber (1).
5. The asphalt concrete heating separation and recovery device according to claim 3, characterized in that: The separation chamber (1) is provided with a sliding groove at a position corresponding to the protective plate (25), and the protective plate (25) slides inside the sliding groove.
6. The asphalt concrete heating separation and recovery device according to claim 1, characterized in that: The crushing mechanism includes a crushing box (31), the crushing box (31) is fixedly connected to the top of the separation chamber (1), the top of the crushing box (31) is fixedly connected to a feed port (32), the interior of the crushing box (31) is fixedly connected to a guide port (33), the front of the crushing box (31) is fixedly connected to a second motor (34), the output end of the second motor (34) is fixedly connected to a crushing roller (35), the crushing roller (35) is rotatably connected to the interior of the crushing box (31), and the exterior of the crushing roller (35) is fixedly connected to a second gear (36).
7. The asphalt concrete heating separation and recovery device according to claim 6, characterized in that: Two second gears (36) are provided, and the two second gears (36) are meshed with each other.
Citation Information
Patent Citations
Separator for recycling asphalt concrete
CN218203699U