Waste pavement material recycling device

Abstract

The utility model discloses a waste pavement material recycling device, and relates to the technical field of waste pavement material recycling. According to the waste pavement material recycling device, when asphalt is treated and recycled, waste pavement materials are put into the feeding bin, the rotating motor is used for driving the rotating shaft to rotate, the crushing cutters crush large pavement materials, subsequent separation treatment is facilitated, then the asphalt pavement materials enter the heating chamber, asphalt is molten in a high-temperature heating mode, and the asphalt is recycled. Asphalt has certain fluidity, finally, pavement materials enter the separation chamber, separation of the asphalt and stone is achieved, the asphalt enters the asphalt collection box through the separation plate, the stone enters the gravel collection box, separation of the asphalt and the stone is facilitated, recycling and reutilization of the pavement materials are facilitated, the overall treatment mode is assembly line type machining, and the production efficiency is improved. And meanwhile, crushing is conducted firstly during feeding, subsequent heating treatment is facilitated, and the treatment effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of waste pavement material recycling, in particular to a waste pavement material recycling device. Background Art

[0002] Asphalt, as a commonly used pavement material, has the advantages of smooth and comfortable driving, low noise, convenient maintenance and easy recycling. However, during maintenance and construction, a certain amount of waste pavement materials will be generated. These materials have certain recycling value and can reduce the waste of resources.

[0003] For example, patent number CN219908450U discloses a recycling device for waste pavement materials, which relates to the technical field of pavement maintenance technology, including a recycling device for waste pavement materials, including a bottom plate, the middle part of the upper side surface of the bottom plate is fixedly connected to a separation chamber, the upper end of the separation chamber is fixedly connected to a heating mechanism, a separation mechanism is arranged inside the heating mechanism, the separation mechanism is used to separate asphalt and gravel in the waste material, the middle part of the lower end of the separation mechanism is fixedly connected to a connecting block 1, the lower end of the connecting block 1 is in contact with the upper end of the connecting block 2, the contact surfaces of the connecting block 1 and the connecting block 2 are both provided with anti-skid grooves, the side surface of the connecting block 2 is fixedly connected to the lower end of a scraping spiral, the scraping spiral is in contact with the inner wall of the separation chamber, the lower end of the connecting block 2 is rotatably connected to the upper end of the guide cone through a bearing, the heated waste is separated, and the asphalt attached to the inner wall of the separation chamber is accelerated to move downward;

[0004] The waste pavement material recycling device in this patent has a low processing efficiency and cannot achieve assembly line processing, resulting in limited processing volume each time, and the material needs to be unloaded and cleaned after processing, which affects the overall processing efficiency. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a device for recycling waste pavement materials, which solves the problems of low processing efficiency, inability to achieve assembly line processing, resulting in limited processing volume each time, and the need for unloading and cleaning after processing, which affects the overall processing efficiency.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a waste pavement material recycling device, including a mounting platform, a support frame is fixedly installed at the lower end of the mounting platform, fixed side plates are fixedly connected to the left and right ends of the mounting platform, a separation device is arranged above the mounting platform between the two fixed side plates, a fixed plate is fixedly connected to the left end of the fixed side plate, a driving motor is fixedly installed at the upper end of the fixed plate, and an exhaust pump is fixedly installed at the rear end of the mounting platform;

[0007] The separation device consists of a feeding assembly, a heating chamber, a separation chamber, an asphalt collecting box and a gravel collecting box. The left end of the heating chamber is fixedly connected to the right end of the fixed side plate. A reinforcement ring is arranged between the heating chamber and the separation chamber, and the heating chamber and the separation chamber are interconnected through the reinforcement ring. The same reinforcement ring is arranged between the right end of the separation chamber and the gravel collecting box, and the separation chamber and the gravel collecting box are interconnected through the reinforcement ring. A separation plate is arranged on the lower end face of the separation chamber, the upper end of the asphalt collecting box is fixedly connected to the lower end of the separation chamber, the length and width of the separation plate are adapted to the asphalt collecting box, and a discharge bin door is arranged at the rear end of the asphalt collecting box.

[0008] Preferably, the feed assembly includes a feed bin, the lower end of the feed bin and the heating chamber are connected to each other through a feed pipe, a baffle plate is provided at the upper end of the feed bin, the inner side of the feed bin is rotatably connected with a rotating shaft, two rotating shafts are symmetrically provided, crushing knives are fixedly mounted on the surface of the rotating shaft, the crushing knives are distributed in three groups in a circular array, and the crushing knives in each group are distributed at equal intervals.

[0009] Preferably, a rotating motor is fixedly installed at the front end of the feed bin, the output end of the rotating motor is fixedly connected to the front end of the rotating shaft, the rear end of the rotating shaft extends to the outside of the feed bin and is fixedly connected with a transmission gear, and the two transmission gears are meshingly connected.

[0010] Preferably, high-temperature heating rods are provided inside the heating chamber, and the high-temperature heating rods are distributed in a ring array. An insulating shell is provided on the outside of the heating chamber, and the same insulating shell is provided on the outside of the separation chamber. An electric heating wire is provided at the upper end of the interior of the separation chamber, and the cross-section of the separation chamber is designed as a trapezoidal structure.

[0011] Preferably, a discharge pipe is provided on the right side of the lower end of the gravel collecting box, and the right end of the gravel collecting box is fixedly connected to the fixed side plate.

[0012] Preferably, the output end of the driving motor is fixedly connected to a driving wheel, a transmission wheel is installed on the left side of the fixed side plate, the driving wheel and the transmission wheel are connected by belt drive, a rotating shaft is fixedly installed on the right end of the transmission wheel, the right end of the rotating shaft extends into the separation device and is rotatably connected to the left end of the fixed side plate, the surface of the rotating shaft is located in the heating chamber and is provided with a first spiral blade, the outer diameter of the first spiral blade is adapted to the heating chamber, the surface of the rotating shaft is located in the separation chamber and is provided with a second spiral blade, the second spiral blade is adapted to the separation chamber, the surface of the rotating shaft is located in the gravel collection box and is provided with a third spiral blade, the outer diameter of the third spiral blade is adapted to the gravel collection box.

[0013] Preferably, the exhaust pump and the heating chamber are connected to each other through an exhaust pipe, and the other end of the exhaust pump is externally connected to a steam-water separator through a pipeline. Beneficial Effects

[0014] The utility model provides a device for recycling waste pavement materials. Compared with the prior art, it has the following beneficial effects:

[0015] The waste pavement material recycling device is provided with a separation device, a driving motor and an exhaust pump, etc. When processing and recycling asphalt, the waste pavement material is put into a feed bin, and the rotating shaft is driven to rotate by a rotating motor, and the crushing knife crushes the large pieces of pavement material to facilitate subsequent separation and processing. Then the asphalt pavement material enters the heating chamber, and the asphalt is melted by high-temperature heating to make the asphalt have a certain fluidity. Finally, the pavement material enters the separation chamber to separate the asphalt and the stone. The asphalt enters the asphalt collecting box through the separation plate, and the stone enters the crushed stone collecting box, which is convenient for separating the asphalt and the stone, and convenient for recycling and recycling of the pavement material. The overall processing method is assembly line processing, which improves work efficiency. At the same time, crushing is first performed when feeding, which is convenient for subsequent heating processing and ensures the processing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 It is a schematic diagram of the top structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the feeding component of the utility model.

[0020] In the figure: 1. mounting table; 2. support frame; 3. fixed side plate; 4. separation device; 41. feed assembly; 411. feed bin; 412. baffle plate; 413. rotating shaft; 414. crushing knife; 415. rotating motor; 416. transmission gear; 42. heating chamber; 421. high-temperature heating rod; 422. insulation shell; 43. separation chamber; 44. asphalt collection box; 45. gravel collection box; 451. discharge pipe; 46. reinforcement ring; 47. separation plate; 5. fixed plate; 6. drive motor; 61. drive wheel; 62. transmission wheel; 63. rotating shaft; 64. first spiral blade; 65. second spiral blade; 66. third spiral blade; 7. exhaust pump; 71. exhaust pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution: a device for recycling waste pavement materials, including a mounting platform 1, a support frame 2 is fixedly installed at the lower end of the mounting platform 1, fixed side plates 3 are fixedly connected to the left and right ends of the mounting platform 1, a separation device 4 is arranged between the two fixed side plates 3 and above the mounting platform 1, the separation device 4 is composed of a feeding assembly 41, a heating chamber 42, a separation chamber 43, an asphalt collection box 44 and a gravel collection box 45, the feeding assembly 41 includes a feeding bin 411, the lower end of the feeding bin 411 and the heating chamber 42 are connected to each other through a feeding pipe, a baffle plate 412 is arranged at the upper end of the feeding bin 411, a rotating shaft 413 is rotatably connected to the inner side of the feeding bin 411, two rotating shafts 413 are symmetrically arranged, and a surface of the rotating shaft 413 is fixedly installed with Crushing knives 414, there are three groups of crushing knives 414 distributed in a circular array, and each group of crushing knives 414 is distributed at equal intervals. A rotating motor 415 is fixedly installed at the front end of the feed bin 411, and the output end of the rotating motor 415 is fixedly connected to the front end of the rotating shaft 413. The rear end of the rotating shaft 413 extends to the outside of the feed bin 411 and is fixedly connected with a transmission gear 416. The two transmission gears 416 are meshed and connected. When feeding, large pieces of pavement materials are put into the feed bin 411, and the rotating motor 415 is used to drive the rotating shaft 413 to rotate. The meshing of the transmission gear 416 makes the two rotating shafts 413 rotate synchronously, so that the crushing knives 414 crush the large pieces of pavement materials into uniform small pieces, which is convenient for loading and subsequent heating;

[0023] The left end of the heating chamber 42 is fixedly connected to the right end of the fixed side plate 3, a reinforcement ring 46 is provided between the heating chamber 42 and the separation chamber 43, and the heating chamber 42 and the separation chamber 43 are connected to each other through the reinforcement ring 46, the same reinforcement ring 46 is provided between the right end of the separation chamber 43 and the gravel collection box 45, the separation chamber 43 and the gravel collection box 45 are connected to each other through the reinforcement ring 46, a separation plate 47 is provided on the lower end face of the separation chamber 43, the upper end of the asphalt collection box 44 is fixedly connected to the lower end of the separation chamber 43, the length and width of the separation plate 47 are adapted to the asphalt collection box 44, a discharge bin door is provided at the rear end of the asphalt collection box 44, a high-temperature heating rod 421 is provided inside the heating chamber 42, and the high-temperature heating rod 421 are distributed in a circular array, a heat-insulating shell 422 is arranged on the outside of the heating chamber 42, a similar heat-insulating shell 422 is arranged on the outside of the separation chamber 43, an electric heating wire is arranged on the upper end of the separation chamber 43, and the cross section of the separation chamber 43 is designed in a trapezoidal structure, a discharge pipe 451 is arranged on the right side of the lower end of the gravel collection box 45, and the right end of the gravel collection box 45 is fixedly connected to the fixed side plate 3. After the material enters the heating chamber 42, the high temperature of the high-temperature heating rod 421 melts the asphalt material, and after entering the separation chamber 43, the melted asphalt passes through the separation plate 47 and enters the asphalt collection box 44, while the stone enters the gravel collection box 45, so as to facilitate the recycling of the asphalt material and the gravel material;

[0024] The left end of the fixed side plate 3 is fixedly connected to the fixed plate 5, the upper end of the fixed plate 5 is fixedly installed with a driving motor 6, the output end of the driving motor 6 is fixedly connected to the driving wheel 61, the left side of the fixed side plate 3 is installed with a transmission wheel 62, the driving wheel 61 and the transmission wheel 62 are connected by belt transmission, the right end of the transmission wheel 62 is fixedly installed with a rotating shaft 63, the right end of the rotating shaft 63 extends into the separation device 4, and is rotatably connected to the left end of the fixed side plate 3, the surface of the rotating shaft 63 is located in the heating chamber 42 and is provided with a first spiral blade 64, the outer diameter of the first spiral blade 64 is adapted to the heating chamber 42, the surface of the rotating shaft 63 is located in the separation chamber 43 and is provided with a second spiral blade 65, the second spiral blade 65 is adapted to the separation chamber 43, the surface of the rotating shaft 63 is located in the gravel collection box 45 and is provided with a third spiral blade 66, the outer diameter of the third spiral blade 66 is adapted to the gravel collection box 45, and the rear end of the mounting platform 1 is fixedly installed with an exhaust pump 7. The exhaust pump 7 and the heating chamber 42 are connected to each other through the exhaust pipe 71. The other end of the exhaust pump 7 is connected to the steam-water separator through the pipeline. The driving connection between the driving wheel 61 and the transmission wheel 62 enables the driving motor 6 to drive the rotating shaft 63 to rotate. The rotation of the first spiral blade 64 can push the pavement material to move in the heating chamber 42, the separation chamber 43 and the gravel collection box 45, so that the heated and melted pavement material is first pushed into the separation chamber 43 by the first spiral blade 64, and then the material is pushed to move in the separation chamber 43 by the second spiral blade 65. The structures of different sizes at both ends of the separation chamber 43 are squeezed synchronously during transportation, so that the asphalt material is separated through the separation plate 47, thereby ensuring the separation effect. Finally, the gravel enters the gravel collection box 45, and is pushed to move by the third spiral blade 66 and discharged through the discharge pipe 451. At the same time, when heated at high temperature, the exhaust pump 7 is used to discharge the steam in the heating chamber 42 to reduce the water content of the asphalt.

[0025] During operation, large pieces of pavement materials are placed in the feed bin 411, and the rotating motor 415 is used to drive the rotating shaft 413 to rotate. The meshing of the transmission gear 416 causes the two rotating shafts 413 to rotate synchronously, so that the crushing knife 414 crushes the large pieces of pavement materials into uniform small pieces, which is convenient for loading and subsequent heating. Then the crushed pavement materials enter the separation device 4, and after the materials enter the heating chamber 42, the high temperature of the high-temperature heating rod 421 melts the asphalt material. After entering the separation chamber 43, the melted asphalt passes through the separation plate 47 and enters the asphalt collection box 44, while the stone enters the crushed stone collection box 45, which is convenient for the recycling of the asphalt material and the crushed stone material. At the same time, the driving motor 6 drives The rotating shaft 63 rotates, and the rotation of the first spiral blade 64 can push the pavement material to move in the reheating chamber 42, the separation chamber 43 and the gravel collection box 45, so that the heated and melted pavement material is first pushed into the separation chamber 43 by the first spiral blade 64, and then the material is pushed to move in the separation chamber 43 by the second spiral blade 65. The structures of different sizes at both ends of the separation chamber 43 are extruded synchronously during transportation, so that the asphalt material is separated through the separation plate 47, thereby ensuring the separation effect. Finally, the gravel enters the gravel collection box 45, and is pushed to move by the third spiral blade 66 and discharged through the discharge pipe 451. When heated at high temperature, the exhaust pump 7 is used to discharge the steam in the heating chamber 42 to reduce the water content of the asphalt.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A device for recycling waste pavement materials, comprising a mounting platform (1), characterized in that: A support frame (2) is fixedly mounted on the lower end of the mounting platform (1), fixed side panels (3) are fixedly connected to the left and right ends of the mounting platform (1), a separation device (4) is arranged above the mounting platform (1) between the two fixed side panels (3), a fixed plate (5) is fixedly connected to the left end of the fixed side panel (3), a drive motor (6) is fixedly mounted on the upper end of the fixed plate (5), and an exhaust pump (7) is fixedly mounted on the rear end of the mounting platform (1); The separation device (4) is composed of a feed assembly (41), a heating chamber (42), a separation chamber (43), an asphalt collection box (44) and a crushed stone collection box (45); the left end of the heating chamber (42) is fixedly connected to the right end of the fixed side plate (3); a reinforcement ring (46) is provided between the heating chamber (42) and the separation chamber (43); the heating chamber (42) and the separation chamber (43) are connected to each other via the reinforcement ring (46); the right end of the separation chamber (43) The same reinforcement ring (46) is arranged between the separation chamber (43) and the gravel collection box (45); the separation chamber (43) and the gravel collection box (45) are connected to each other via the reinforcement ring (46); a separation plate (47) is arranged on the lower end surface of the separation chamber (43); the upper end of the asphalt collection box (44) is fixedly connected to the lower end of the separation chamber (43); the length and width of the separation plate (47) are adapted to the asphalt collection box (44); and a discharge bin door is arranged at the rear end of the asphalt collection box (44).

2. The device for recycling waste pavement materials according to claim 1, characterized in that: The feed assembly (41) comprises a feed bin (411), the lower end of the feed bin (411) and the heating chamber (42) are connected to each other via a feed pipe, a baffle plate (412) is arranged at the upper end of the feed bin (411), a rotating shaft (413) is rotatably connected to the inner side of the feed bin (411), two rotating shafts (413) are symmetrically arranged, and crushing knives (414) are fixedly mounted on the surface of the rotating shaft (413), and the crushing knives (414) are arranged in three groups in a circular array, and the crushing knives (414) in each group are distributed at equal intervals.

3. The device for recycling waste pavement materials according to claim 2 is characterized in that: A rotating motor (415) is fixedly mounted on the front end of the feed bin (411); the output end of the rotating motor (415) is fixedly connected to the front end of the rotating shaft (413); the rear end of the rotating shaft (413) extends to the outside of the feed bin (411) and is fixedly connected to a transmission gear (416); and the two transmission gears (416) are meshingly connected.

4. The device for recycling waste pavement materials according to claim 1, characterized in that: The interior of the heating chamber (42) is provided with high-temperature heating rods (421), and the high-temperature heating rods (421) are distributed in a ring array. The exterior of the heating chamber (42) is provided with a heat-insulating shell (422), and the exterior of the separation chamber (43) is provided with a similar heat-insulating shell (422). An electric heating wire is provided at the upper end of the interior of the separation chamber (43), and the cross-section of the separation chamber (43) is designed in a trapezoidal structure.

5. The device for recycling waste pavement materials according to claim 1, characterized in that: A discharge pipe (451) is provided on the right side of the lower end of the gravel collection box (45), and the right end of the gravel collection box (45) is fixedly connected to the fixed side plate (3).

6. The device for recycling waste pavement materials according to claim 1, characterized in that: The output end of the driving motor (6) is fixedly connected to a driving wheel (61), and a transmission wheel (62) is installed on the left side of the fixed side plate (3). The driving wheel (61) and the transmission wheel (62) are connected via a belt transmission. A rotating shaft (63) is fixedly installed on the right end of the transmission wheel (62). The right end of the rotating shaft (63) extends into the separation device (4) and is rotatably connected to the left end of the fixed side plate (3). The surface of the rotating shaft (63) is located in the heating chamber (42) and is provided with a first spiral blade (64). The outer diameter of the first spiral blade (64) is adapted to the heating chamber (42). The surface of the rotating shaft (63) is located in the separation chamber (43) and is provided with a second spiral blade (65). The second spiral blade (65) is adapted to the separation chamber (43). The surface of the rotating shaft (63) is located in the gravel collection box (45) and is provided with a third spiral blade (66). The outer diameter of the third spiral blade (66) is adapted to the gravel collection box (45).

7. The device for recycling waste pavement materials according to claim 1, characterized in that: The exhaust pump (7) and the heating chamber (42) are connected to each other via an exhaust pipe (71), and the other end of the exhaust pump (7) is externally connected to a steam-water separator via a pipeline.

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