A drying cylinder for asphalt regeneration

Abstract

The utility model discloses a drying cylinder for asphalt regeneration belongs to asphalt regeneration equipment technical field, including the cylinder, the top of cylinder is installed the rubbing crusher, the top of rubbing crusher is connected with the feed inlet, the bottom of rubbing crusher is connected with the inner chamber of cylinder, the inner chamber of rubbing crusher is provided with the rubbing assembly for carrying out rubbing to asphalt broken material, the bottom of cylinder is provided with the discharge gate, the lateral wall of cylinder is provided with the rotating mechanism for driving the rotation of stirring structure, one end of rotating mechanism penetrates cylinder and is provided with the stirring rod, the stirring rod is provided with several groups, the inner chamber of cylinder is provided with the heating assembly for heating to asphalt broken material, thereby shorten the drying cylinder drying time to asphalt regeneration material stirring, has promoted the drying cylinder to the drying speed of asphalt regeneration material, has improved the processing efficiency of asphalt regeneration processing.

Description

Technical Field

[0001] This utility model relates to the technical field of asphalt recycling equipment, specifically a drying cylinder for asphalt recycling. Background Technology

[0002] Asphalt mixture recycling technology refers to the technology of reusing asphalt mixture pavement waste that cannot meet the requirements of use through various measures. This includes excavating, crushing, and screening old asphalt concrete pavement. During the asphalt recycling process, a drying drum is used to mix and dry the recycled asphalt material.

[0003] Existing drying drums typically involve pouring recycled asphalt material into the drum, activating the heating element to heat and dry the inside of the drum, and then using a stirring rod to increase the surface temperature of the recycled asphalt material to assist in drying. However, using only one set of stirring structures to stir the recycled asphalt material results in a significant amount of time spent on stirring during the asphalt drying process, leading to a decrease in the drying speed of the drying drum and reducing the processing efficiency of asphalt recycling.

[0004] According to announcement number CN218689916U, a drying cylinder for asphalt recycling equipment belongs to the technical field of asphalt production equipment. The drying cylinder for asphalt recycling equipment includes a cylinder body. A feed box is connected to the top of the cylinder body. An inclined filter plate is installed between the inner walls of the feed box. A crushing box is fixedly connected to the right side of the feed box. The bottom of the crushing box is connected to the corresponding upper surface of the cylinder body. This invention uses a filter plate below the opening at the top of the feed box to screen larger particles. The material enters between two crushing rollers in the crushing box through a guide port corresponding to the filter plate. Then, under the activation of a servo motor corresponding to the two crushing rollers, the larger particles are crushed and enter the cylinder body for drying. This helps to prevent larger particles from clogging the discharge pipe and affecting the material flow.

[0005] The drying drum described above uses only one set of stirring structures to stir the asphalt recycling material, which requires a lot of time for stirring during the asphalt drying process. This results in a decrease in the drying speed of the asphalt recycling material and reduces the processing efficiency of asphalt recycling. Therefore, we need to propose a drying drum for asphalt recycling. Utility Model Content

[0006] The purpose of this invention is to provide a drying cylinder for asphalt recycling. By setting up several sets of stirring rods, during the drying process, a rotating mechanism is activated to drive the stirring rods to rotate, so that the stirring rods rotate around the center simultaneously to stir the asphalt recycling material inside the cylinder. This shortens the stirring time of the asphalt recycling material during drying, increases the drying speed of the asphalt recycling material, and improves the processing efficiency of asphalt recycling, thereby solving the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a drying cylinder for asphalt recycling, comprising a cylinder body, a crushing box installed at the top of the cylinder body, a feeding hopper connected to the top of the crushing box, the bottom of the crushing box communicating with the inner cavity of the cylinder body, a crushing assembly for crushing asphalt fragments provided in the inner cavity of the crushing box, a discharge port opened at the bottom of the cylinder body, a rotating mechanism for driving a stirring structure to rotate provided on the outer wall of the cylinder body, one end of the rotating mechanism penetrating the cylinder body and provided with a stirring rod, a plurality of stirring rods provided, and a heating assembly for heating the asphalt fragments provided in the inner cavity of the cylinder body.

[0008] Preferably, the crushing assembly includes a first motor, which is fixedly mounted on the outer side wall of the crushing chamber. The output shaft of the first motor is keyed to a support rod, the other end of which passes through the crushing chamber and is rotatably connected to the inner side wall of the crushing chamber via a rotating shaft. A crushing roller is provided on the outer surface of the support rod.

[0009] Preferably, the first motor is provided in three groups, and the three groups of the first motor are arranged in an inverted triangle shape.

[0010] Preferably, the rotating mechanism includes a second motor, which is fixedly installed on the outer side wall of the cylinder. The output of the second motor is keyed to a rotating rod, which is rotatably connected to the outer surface of the cylinder via a rotating shaft. The other end of the rotating rod passes through the cylinder and is provided with a rotating structure, and the other end of the rotating structure is connected to a stirring rod.

[0011] Preferably, the rotating structure includes a rotating seat and an internal gear ring. One end of the rotating seat is fixedly connected to a rotating rod. A through hole is formed on the surface of the rotating seat. The inner cavity of the through hole of the rotating seat is rotatably connected to one end of the stirring rod. The internal gear ring is fixedly connected to the inner wall of the cylinder. The surface of the internal gear ring is connected to the surface of the rotating seat through a rotating shaft. A gear is meshed with the inner cavity of the internal gear ring. The surface of the gear is keyed to one end of the stirring rod.

[0012] Preferably, a filter box is installed at the top of the cylinder, a cover is provided at the top of the filter box, an exhaust hole is provided on the upper surface of the cover, and the bottom of the filter box is connected to the inner cavity of the cylinder.

[0013] Preferably, an elastic connecting plate is fixedly connected to the outer wall of the box cover, and a slot is formed on the surface of the elastic connecting plate. A locking block is fixedly connected to the outer wall of the filter box, and the surface of the locking block engages with the inner cavity of the slot.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This utility model provides a drying cylinder for asphalt recycling. With several sets of stirring rods, during the drying process, a rotating mechanism is activated to drive the stirring rods to rotate, so that the stirring rods rotate around the center simultaneously to stir the asphalt recycling material inside the cylinder. This shortens the stirring time of the asphalt recycling material during drying, increases the drying speed of the asphalt recycling material, and improves the processing efficiency of asphalt recycling.

[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention can be realized and obtained through the structures pointed out in the description and the accompanying drawings. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of a partial cross-section of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the crushing component of this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the filter box of this utility model with the cover removed;

[0021] Figure 5 This is a structural schematic diagram of the disassembled rotating mechanism of this utility model.

[0022] In the diagram: 1. Cylinder; 2. Crushing box; 3. Feed hopper; 4. Crushing assembly; 41. First motor; 42. Support rod; 43. Crushing roller; 5. Discharge port; 6. Rotating mechanism; 61. Second motor; 62. Rotating rod; 63. Rotating seat; 64. Internal gear ring; 65. Gear; 7. Stirring rod; 8. Heating assembly; 9. Filter box; 10. Box cover; 11. Elastic connecting plate; 12. Locking block; 13. Locking groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-5 This utility model provides a technical solution: a drying cylinder for asphalt recycling, including a cylinder body 1, a crushing box 2 installed at the top of the cylinder body 1, a feeding hopper 3 connected to the top of the crushing box 2, the bottom end of the crushing box 2 communicating with the inner cavity of the cylinder body 1, a crushing component 4 for crushing asphalt fragments in the inner cavity of the crushing box 2, a discharge port 5 opened at the bottom end of the cylinder body 1, a rotating mechanism 6 for driving the stirring structure to rotate on the outer wall of the cylinder body 1, one end of the rotating mechanism 6 penetrating the cylinder body 1 and provided with a stirring rod 7, several sets of stirring rods 7, and a heating component 8 for heating the asphalt fragments in the inner cavity of the cylinder body 1;

[0025] The recycled asphalt material is poured into the feed hopper 3, and then crushed again by the crushing component 4 in the crushing box 2 before entering the cylinder 1. The heating component 8 is activated to heat and dry the inside of the cylinder 1. At the same time, the rotating mechanism 6 is activated to drive several sets of stirring rods 7 to rotate, so that the stirring rods 7 rotate around the center at the same time to stir the recycled asphalt material in the cylinder 1. This shortens the stirring time of the recycled asphalt material during the drying process, increases the drying speed of the recycled asphalt material in the drying cylinder, and improves the processing efficiency of asphalt recycling.

[0026] The crushing assembly 4 includes a first motor 41, which is fixedly installed on the outer wall of the crushing chamber 2. The output shaft of the first motor 41 is keyed to a support rod 42. The other end of the support rod 42 passes through the crushing chamber 2 and is rotatably connected to the inner wall of the crushing chamber 2 via a rotating shaft. A crushing roller 43 is provided on the outer surface of the support rod 42. When the first motor 41 is started, it drives the support rod 42 to rotate. The support rod 42 drives the crushing roller 43 to rotate, which crushes the asphalt recycled material again, reducing the volume of the asphalt recycled material and facilitating the drying operation.

[0027] The first motor 41 is provided in three sets, and the three sets of first motors 41 are arranged in an inverted triangle shape. Through the cooperation of the three sets of first motors 41, the top two sets of first motors 41 drive the crushing roller 43 to perform preliminary crushing of the asphalt recycled material, and finally the bottom first motor 41 crushes the asphalt material again to improve the crushing quality.

[0028] The rotating mechanism 6 includes a second motor 61, which is fixedly installed on the outer wall of the cylinder 1. The output of the second motor 61 is keyed to a rotating rod 62. The rotating rod 62 is rotatably connected to the outer surface of the cylinder 1 through a rotating shaft. The other end of the rotating rod 62 passes through the cylinder 1 and is provided with a rotating structure. The other end of the rotating structure is connected to the stirring rod 7. When the second motor 61 is started, it drives the rotating rod 62 to rotate. The rotating rod 62 drives the stirring rod 7 to rotate through the rotating structure to stir the asphalt recycled material around the center.

[0029] The rotating structure includes a rotating seat 63 and an internal gear ring 64. One end of the rotating seat 63 is fixedly connected to the rotating rod 62. A through hole is opened on the surface of the rotating seat 63. The inner cavity of the through hole of the rotating seat 63 is rotatably connected to one end of the stirring rod 7. The internal gear ring 64 is fixedly connected to the inner wall of the cylinder 1. The surface of the internal gear ring 64 is connected to the surface of the rotating seat 63 through a rotating shaft. A gear 65 is meshed with the inner cavity of the internal gear ring 64. The surface of the gear 65 is keyed to one end of the stirring rod 7. The inner cavity of the through hole of the rotating seat 63 is connected to the rotating rod 62 through a rotating shaft. The rotating rod 62 drives the rotating seat 63 to rotate. The rotating seat 63 drives several sets of stirring rods 7 to move around the center. Through the cooperation of the gear 65 and the internal gear ring 64, the gear 65 drives the stirring rods 7 to rotate when it moves, thereby realizing that several sets of stirring rods 7 rotate around the center at the same time to stir the asphalt recycling material.

[0030] A filter box 9 is installed at the top of the cylinder 1. A cover 10 is provided at the top of the filter box 9. An exhaust hole is provided on the upper surface of the cover 10. The bottom of the filter box 9 is connected to the inner cavity of the cylinder 1. A filter plate is provided inside the filter box 9. The gas generated when the cylinder 1 is heated is discharged into the filter box 9. The particulate matter in the gas is filtered by the filter plate in the filter box 9 and discharged through the exhaust hole.

[0031] An elastic connecting plate 11 is fixedly connected to the outer wall of the cover 10. A slot 13 is provided on the surface of the elastic connecting plate 11. A locking block 12 is fixedly connected to the outer wall of the filter box 9. The surface of the locking block 12 engages with the inner cavity of the slot 13. By pushing the elastic connecting plate 11 outward, the locking block 12 can be disengaged from the inner cavity of the slot 13, thereby disassembling the cover 10 and facilitating the replacement of the filter plate inside the filter box 9. After replacement, the cover 10 is directly closed, and the elastic connecting plate 11 moves downward, allowing the locking block 12 to enter the inner cavity of the slot 13 to complete the installation.

[0032] In practical use: the recycled asphalt material is poured into the feed hopper 3. The first motor 41 drives the crushing roller 43 to rotate through the support rod 42, so that the recycled asphalt material is crushed as it passes through. After crushing, the recycled asphalt material falls into the cylinder 1. The heating component 8 is activated to heat the material. The second motor 61 is activated to drive the rotating rod 62 to rotate. The rotating rod 62 drives several sets of stirring rods 7 to move around the center through the rotating seat 63. The gear 65 is meshed with the internal gear ring 64, so that the gear 65 rotates as it moves within the internal gear ring 64, driving the stirring rods 7 to move and rotate around the center. This allows several sets of stirring rods 7 to rotate around the center simultaneously to stir the recycled asphalt material in the cylinder 1, thereby shortening the stirring time of the recycled asphalt material during drying in the drying cylinder, increasing the drying speed of the recycled asphalt material in the drying cylinder, and improving the processing efficiency of recycled asphalt.

[0033] 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.

Claims

1. A drying cylinder for asphalt recycling, comprising a cylinder body (1), characterized in that: The top of the cylinder (1) is equipped with a crushing box (2), the top of the crushing box (2) is connected to a feed hopper (3), the bottom of the crushing box (2) is connected to the inner cavity of the cylinder (1), and the inner cavity of the crushing box (2) is provided with a crushing component (4) for crushing asphalt fragments. The bottom end of the cylinder (1) is provided with a discharge port (5). The outer wall of the cylinder (1) is provided with a rotating mechanism (6) for driving the stirring structure to rotate. One end of the rotating mechanism (6) passes through the cylinder (1) and is provided with a stirring rod (7). Several sets of stirring rods (7) are provided. The inner cavity of the cylinder (1) is provided with a heating component (8) for heating the asphalt aggregate. The rotating mechanism (6) includes a second motor (61), which is fixedly installed on the outer side wall of the cylinder (1). The output of the second motor (61) is keyed to a rotating rod (62). The rotating rod (62) is rotatably connected to the outer surface of the cylinder (1) through a rotating shaft. The other end of the rotating rod (62) passes through the cylinder (1) and is provided with a rotating structure. The other end of the rotating structure is connected to a stirring rod (7). The rotating structure includes a rotating seat (63) and an internal gear ring (64). One end of the rotating seat (63) is fixedly connected to the rotating rod (62). A through hole is provided on the surface of the rotating seat (63). The inner cavity of the through hole of the rotating seat (63) is rotatably connected to one end of the stirring rod (7). The internal gear ring (64) is fixedly connected to the inner wall of the cylinder (1). The surface of the internal gear ring (64) is connected to the surface of the rotating seat (63) through a rotating shaft. A gear (65) is meshed with the inner cavity of the internal gear ring (64). The surface of the gear (65) is keyed to one end of the stirring rod (7).

2. The drying drum for asphalt recycling according to claim 1, characterized in that: The crushing assembly (4) includes a first motor (41), which is fixedly installed on the outer side wall of the crushing box (2). The output shaft of the first motor (41) is keyed to a support rod (42). The other end of the support rod (42) passes through the crushing box (2) and is rotatably connected to the inner side wall of the crushing box (2) through a rotating shaft. A crushing roller (43) is provided on the outer surface of the support rod (42).

3. A drying drum for asphalt recycling according to claim 2, characterized in that: The first motor (41) is provided in three sets, and the positions of the three sets of the first motor (41) are arranged in an inverted triangle shape.

4. A drying drum for asphalt recycling according to claim 1, characterized in that: A filter box (9) is installed at the top of the cylinder (1), and a cover (10) is provided at the top of the filter box (9). An exhaust hole is provided on the upper surface of the cover (10), and the bottom end of the filter box (9) is connected to the inner cavity of the cylinder (1).

5. A drying drum for asphalt recycling according to claim 4, characterized in that: An elastic connecting plate (11) is fixedly connected to the outer wall of the box cover (10). A slot (13) is provided on the surface of the elastic connecting plate (11). A locking block (12) is fixedly connected to the outer wall of the filter box (9). The surface of the locking block (12) engages with the inner cavity of the slot (13).

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