A processing device for asphalt concrete

Abstract

The present application relates to the technical fields of asphalt concrete material processing, and discloses a processing equipment for asphalt concrete, which comprises a aggregate processing rack, a drying treatment table plate is arranged on the upper side of the aggregate processing rack, a aggregate drying mechanism is fixedly installed on the upper side of the drying treatment table plate, the aggregate drying mechanism comprises a drying treatment tunnel, conveying grooves are arranged on the two sides of the drying treatment tunnel, a hot air blower is fixedly installed inside the top of the drying treatment tunnel, a high-temperature drying plate is fixedly installed in the drying treatment tunnel, a drying optimization mechanism is fixedly installed inside the drying treatment tunnel, and the drying optimization mechanism comprises a drying guide shell; the double-layer conveying structure with different functions is arranged in the processing equipment for asphalt concrete, the internal structure of the drying optimization mechanism is matched, the drying efficiency of the aggregate material particles and the drying effect of multiple surfaces can be greatly improved.

Description

Technical Field

[0001] This invention relates to the technical field of asphalt concrete material processing, specifically to a processing equipment for asphalt concrete. Background Technology

[0002] With the development of science and technology, industrial technology is also advancing rapidly, and the demand for asphalt concrete is gradually increasing. The processing of asphalt concrete requires multiple steps. Step 1: Weigh out the appropriate weight parts of cement, asphalt, coarse aggregate, fine aggregate, modifier, carbon fiber, glass fiber, mineral powder, and admixtures, and set aside. Step 2: Stir the modifier, admixtures, and water from Step 1 at 50-70℃ until a uniform mixture is obtained. Step 3: Convey the coarse and fine aggregates from Step 1 via a conveyor belt for heating, drying, and dust removal, and then perform hot screening. Step 4: Add the hot materials from Step 3 to the mixing tank of the mixing plant, and add cement, asphalt, carbon fiber, glass fiber, and mineral powder, mixing them evenly in the mixing tank. Step 5: While stirring the mixture from Step 4, add the mixture obtained in Step 2 to obtain asphalt concrete.

[0003] In the processing of fine and coarse aggregates, they need to be cleaned, rinsed, and dried before processing and synthesis. However, since the aggregate particles have an irregular surface structure, the existing drying equipment cannot efficiently dry the multiple irregular surfaces of the aggregate particles. At the same time, the heat energy utilization efficiency inside the drying chamber is low, resulting in low drying efficiency or uneven drying. This leads to energy and resource waste in the processing. Summary of the Invention

[0004] The purpose of this invention is to provide a processing device for asphalt concrete, which overcomes the above-mentioned defects in the prior art.

[0005] The present invention is achieved through the following technical solution.

[0006] This invention discloses a processing equipment for asphalt concrete, comprising an aggregate processing platform, a drying processing plate on the upper side of the aggregate processing platform, an aggregate drying mechanism fixedly installed on the upper side of the drying processing plate, the aggregate drying mechanism including a drying tunnel, conveying channels on both sides of the drying tunnel, a hot air blower fixedly installed inside the top of the drying tunnel, a high-temperature drying plate fixedly installed inside the drying tunnel, and a drying optimization mechanism fixedly installed inside the drying tunnel. The drying optimization mechanism includes a drying guide shell, a drying processing section provided in the drying guide shell, a vertical air guide channel at the top of the drying processing section corresponding to the position of the hot air blower, and transmission control sections on the left and right sides of the drying processing section, the inner wall array of the transmission control sections rotating synchronously. A functional roller is installed, and a water stain adsorption sleeve is fixedly installed on the outside of the functional roller. A drying assembly is fixedly installed inside the drying treatment section. The drying assembly includes two sets of structural mounting plates symmetrically installed on the front and rear side walls of the drying treatment section. A drying transmission heat pipe is rotatably installed in an array between the two sets of structural mounting plates. The outer surface of the drying transmission heat pipe is provided with a ring array of heat-conducting protrusions. A double-layer conveying mechanism is rotatably installed inside the drying treatment platform. The double-layer conveying mechanism includes an inner transmission support belt and an outer elastic metal mesh belt. The transmission support belt and the elastic metal mesh belt are separated when they are moving in the drying treatment section and are respectively distributed on the upper and lower sides of the drying assembly. The elastic metal mesh belt is placed on the upper side of the drying transmission heat pipe, and the transmission support belt is placed on the lower side of the drying transmission heat pipe.

[0007] A further technical solution includes a high-temperature water chamber inside the drying transmission heat pipe, a heat pipe mounting plate installed inside the structural mounting plate, the drying transmission heat pipe rotatably mounted on the heat pipe mounting plate, a high-temperature water tank on the inner wall of the inner side of the structural mounting plate, the high-temperature water tank being connected to each of the drying transmission heat pipes, and a connecting transmission plate fixedly connected to the outside of the high-temperature water tank, the connecting transmission plate being provided with a pipe body connecting block.

[0008] A further technical solution is that a fixed frame plate is fixedly installed on the inner wall of the rear side of the drying tunnel, a hot water tank is installed on the fixed frame plate, a water pump is installed in the hot water tank, a high thermal conductivity top plate is provided on the outer wall of the top of the hot water tank, and the water pump transmission end is connected to the pipe body connecting block through a metal flexible hose.

[0009] In a further technical solution, a pressure plate fixing frame is symmetrically fixedly installed on the inner wall of the transmission control unit near the outer side. The pressure plate fixing frame is fixedly provided with a merging pressure plate. The merging pressure plate is attached to both sides of the double-layer conveying mechanism, so that the transmission support belt and the elastic metal mesh belt are in a merging state when entering and exiting the drying treatment unit, and are separated by the drying transmission heat pipe structure only when they are in the drying treatment unit.

[0010] In a further technical solution, a drive mounting plate is fixedly provided on the inner wall of the transmission control unit near the inner side. The functional rollers are rotatably mounted on the drive mounting plate array. The functional rollers are synchronously driven by a belt structure. A drive motor is fixedly mounted on the outside of the drive mounting plate. The drive motor is connected and installed in a transmission connection with one of the sets of functional rollers.

[0011] A further technical solution is that a motor transmission box is fixedly installed on the top of the drying tunnel, a cooling motor is fixedly installed in the motor transmission box, the cooling motor is poweredly connected to the fan blade structure inside the hot air blower, and a control box is fixedly installed on the side of the drying tunnel, and a control host is installed inside the control box.

[0012] A further technical solution is provided, wherein a conveyor belt drive box is provided on the left side of the material processing platform, and the conveyor belt drive box is provided with a gear, toothed belt drive structure and a drive motor. The double-layer conveying mechanism also includes two sets of transmission rollers, which are rotatably disposed in the shaft grooves on both sides of the drying processing platform. The transmission rollers are supported on both sides inside the transmission support belt. A drive pulley is installed on the outer side of the shaft end of the left transmission roller, and the drive pulley is connected to the toothed belt drive structure in the conveyor belt drive box.

[0013] In a further technical solution, the functional rollers in the left-side transmission control unit rotate counterclockwise to push the granular material into the drying treatment unit, while the functional rollers in the right-side transmission control unit also rotate counterclockwise to push the granular material out of the drying treatment unit.

[0014] A further technical solution is provided in the material collection and processing platform, which is equipped with a storage cavity. The storage cavity can be used to store items or to inspect and maintain the double-layer conveying mechanism in an open state. The bottom of the material collection and processing platform is equipped with a sliding wheel assembly, and the bottom of the material collection and processing platform is threaded and can be raised and lowered with fixed support legs.

[0015] The beneficial effects of this invention are:

[0016] In an asphalt concrete processing device of the present invention, a double-layer conveying structure with different functions is provided in conjunction with the internal structure of the drying optimization mechanism. This can greatly improve the drying efficiency of aggregate particles and achieve a multi-faceted drying effect. The conveyor belt of the double-layer conveying mechanism consists of an inner transmission support belt and an outer elastic metal mesh belt. The inner transmission support belt is mainly used for the overall belt transmission and conveying through the transmission roller support installation, and drives the elastic metal mesh belt to convey the material together. In the drying optimization mechanism, the transmission support belt and the elastic metal mesh belt are kept in a combined state when entering and exiting the drying optimization mechanism by the merging pressure plates on both sides of the transmission control unit. In the drying treatment unit, the elastic metal mesh belt is placed on the upper side of the drying transmission heat pipe and the transmission support belt is placed on the lower side of the drying transmission heat pipe to achieve separation. This design allows the material to pass through multiple sets of functional rollers on the inner side of the drive mounting plate during the drying process and conveying. The rotating water-absorbing sleeves adhere to the granules, causing them to tumble and absorb surface moisture, thus continuously pushing the granules into the drying section. Inside the drying section, the elastic metal mesh belt is positioned above multiple sets of drying transmission heat pipes, reducing the distance to the high-temperature drying plate and air source. The top of the drying section features a vertical air guide channel directly facing the hot air blower. This heightened spacing and the vertical air guide channel, combined with the high-temperature irradiation and high-speed airflow, significantly improve the drying efficiency of the aggregate particles.

[0017] The drying optimization mechanism of the asphalt concrete processing equipment of the present invention has a structure that improves the multi-faceted drying effect and efficiency of aggregate particles. The surface of the drying transmission heat pipe is provided with heat-conducting protrusions and is attached to the bottom transmission support belt through the drying transmission heat pipe. This enables the drying transmission heat pipe to rotate during the transmission of the transmission support belt. The arrangement of multiple sets of heat-conducting protrusions can create a regular indirect shaking effect on the upper elastic metal mesh belt during the rotation. This causes the aggregate particles on the upper side of the elastic metal mesh belt to shake together, achieving the flipping of multiple structural surfaces. This, combined with the high temperature irradiation and airflow blowing effect, further improves the multi-faceted drying effect of the aggregate particles. At the same time, the shaking combined with the airflow blowing effect can also shake off water droplets on the surface of irregular aggregate particles, improving the drying efficiency.

[0018] In the drying optimization mechanism of an asphalt concrete processing equipment of the present invention, there is a structure that improves the multi-faceted drying efficiency of aggregate particles and the heat energy utilization of the conveying structure. The drying transmission heat pipe not only serves as a separation and transmission vibration structure, but also has a high-temperature water chamber inside the drying transmission heat pipe, and a heat energy water tank is provided in the drying tunnel. The heat energy water tank can transfer the temperature inside the chamber to the water body through material heat conduction and a high thermal conductivity top plate, thereby continuously providing a heating effect for the water body in the high-temperature water chamber. The drying transmission heat pipe separates the transmission support belt and the elastic metal mesh belt, and makes the elastic metal mesh belt With the aggregate material particles placed on the upper side, the drying process height is increased, improving the heat irradiation and hot air blowing effects. At the same time, through the effect of the high-temperature water in the drying transmission heat pipe, a heat source can also be formed on the lower side of the aggregate material particles. This, combined with the shaking and face-changing effect, further improves the drying effect of irregular multifaceted particles. In addition, the high temperature effect of the drying transmission heat pipe can also accelerate the drying of water stains on the surface of the transmission support belt and the elastic metal mesh belt. The setting between the two can improve the drying effect on the surface of the transmission support belt and the elastic metal mesh belt and avoid the problem of water stains remaining, affecting humidity and reducing drying efficiency. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a front view structural diagram of the present invention;

[0023] Figure 3 yes Figure 1 Schematic diagram of the internal structure of the aggregate drying mechanism 25;

[0024] Figure 4 yes Figure 3 A schematic diagram of the structure of the drying optimization mechanism 40;

[0025] Figure 5 yes Figure 3 A side view of the drying optimization mechanism 40;

[0026] Figure 6 yes Figure 4 Side view of the installation structure of the drying unit 50; Detailed Implementation

[0027] The following is combined with Figure 1-6 The present invention will be described in detail below. For ease of description, the directions referred to below are defined as follows: the directions of up, down, left, right, front, and back mentioned below are the same as... Figure 1 The directions of the projection relationship are consistent in all directions: up, down, left, right, front, and back.

[0028] A processing equipment for asphalt concrete, as described in Figures 1-6, includes an aggregate processing platform 11. A drying processing plate 35 is provided on the upper side of the aggregate processing platform 11. An aggregate drying mechanism 25 is fixedly installed on the upper side of the drying processing plate 35. The aggregate drying mechanism 25 includes a drying tunnel 16. Conveying channels 22 are provided on both sides of the drying tunnel 16. A hot air blower 30 is fixedly installed inside the top of the drying tunnel 16. A high-temperature drying plate 24 is fixedly installed inside the drying tunnel 16. A drying optimization mechanism 40 is fixedly installed inside the drying tunnel 16. The drying optimization mechanism 40 includes a drying guide shell 41. The drying guide shell 41 has a drying processing section 42. The top of the drying processing section 42 has a vertical air guide channel 43, which corresponds to the position of the hot air blower 30. Transmission control sections 44 are provided on the left and right sides of the drying processing section 42. The inner wall of the transmission control section 44 is arrayed with synchronous rotation... A functional roller 48 is dynamically installed, and a water stain adsorption sleeve 58 is fixedly installed on the outside of the functional roller 48. A drying assembly 50 is fixedly installed inside the drying treatment section 42. The drying assembly 50 includes two sets of structural mounting plates 55 symmetrically installed on the front and rear side walls of the drying treatment section 42. A drying transmission heat pipe 52 is rotatably installed between the two sets of structural mounting plates 55. The outer surface of the drying transmission heat pipe 52 is provided with heat-conducting protrusions 54 arranged in a ring. A double-layer conveying mechanism 20 is rotatably installed inside the drying treatment table 35. The double-layer conveying mechanism 20 includes an inner transmission support belt 39 and an outer elastic metal mesh belt 49. When the transmission support belt 39 and the elastic metal mesh belt 49 are driven in the drying treatment section 42, they are in a separate state and are respectively distributed on the upper and lower sides of the drying assembly 50. The elastic metal mesh belt 49 is placed on the upper side of the drying transmission heat pipe 52, and the transmission support belt 39 is placed on the lower side of the drying transmission heat pipe 52.

[0029] Preferably, the drying transmission heat pipe 52 is provided with a high-temperature water cavity 53, and a heat pipe mounting plate 51 is installed on the inner side of the structural mounting plate 55. The drying transmission heat pipe 52 is rotatably mounted on the heat pipe mounting plate 51. A high-temperature water tank 62 is provided on the inner wall of the inner structural mounting plate 55. The high-temperature water tank 62 is connected to each drying transmission heat pipe 52. A connecting transmission plate 60 is fixedly connected to the outside of the high-temperature water tank 62. The connecting transmission plate 60 is provided with a pipe body connecting block 61.

[0030] Preferably, a fixed frame plate 27 is fixedly installed on the inner wall of the rear side of the drying tunnel 16, a hot water tank 26 is installed on the fixed frame plate 27, a water pump 28 is installed in the hot water tank 26, a high thermal conductivity top plate 29 is provided on the outer wall of the top of the hot water tank 26, and the transmission end of the water pump 28 is connected to the pipe body connecting block 61 through a metal flexible hose.

[0031] Preferably, the inner wall of the transmission control unit 44 near the outer side is symmetrically fixed with a pressure plate fixing frame 45. The pressure plate fixing frame 45 is fixed with a merging pressure plate 46. The merging pressure plate 46 is attached to both sides of the double-layer conveying mechanism 20, so that the transmission support belt 39 and the elastic metal mesh belt 49 are in a merging state when entering and exiting the drying treatment unit 42, and are separated by the drying transmission heat pipe 52 structure only when they are inside the drying treatment unit 42.

[0032] Preferably, a drive mounting plate 47 is fixedly provided on the inner wall of the transmission control unit 44 near the inner side. Functional rollers 48 are rotatably mounted on the drive mounting plate 47. The functional rollers 48 are synchronously driven by a belt structure. A drive motor 59 is fixedly mounted on the outside of the drive mounting plate 47. The drive motor 59 is connected to one of the sets of functional rollers 48 in a transmission connection.

[0033] Preferably, a motor drive box 17 is fixedly installed on the top of the drying tunnel 16, and a cooling motor 18 is fixedly installed in the motor drive box 17. The cooling motor 18 is connected to the fan blade structure inside the hot air blower 30. A control box 19 is fixedly installed on the side of the drying tunnel 16, and a control host 21 is installed inside the control box 19.

[0034] Preferably, a conveyor belt drive box 15 is provided on the left side of the material processing platform 11. The conveyor belt drive box 15 is equipped with a gear, toothed belt drive structure and a drive motor. The double-layer conveying mechanism 20 also includes two sets of transmission rollers 36. The transmission rollers 36 are rotatably disposed in the shaft grooves on both sides of the drying processing platform 35. The transmission rollers 36 are supported on both sides inside the transmission support belt 39. A transmission pulley 37 is installed on the outer side of the shaft end of the left transmission roller 36. The transmission pulley 37 is connected to the toothed belt drive structure in the conveyor belt drive box 15.

[0035] Preferably, the functional rollers 48 in the left-side transmission control unit 44 rotate counterclockwise to push the granules into the drying unit 42, while the functional rollers 48 in the right-side transmission control unit 44 also rotate counterclockwise to push the granules out of the drying unit 42.

[0036] Preferably, the material collection and processing platform 11 is provided with a storage cavity 12, which can be used to store items or to inspect and maintain the double-layer conveyor mechanism 20 in an open state.

[0037] Specific usage of this invention:

[0038] During the drying process of asphalt concrete aggregate materials, the aggregate material particles to be dried are conveyed to the double-layer conveying mechanism 20 by the conveying and feeding equipment. The double-layer conveying mechanism 20 is driven to rotate by the motor in the conveyor belt drive box 15, so as to input the aggregate material into the aggregate drying mechanism 25 for drying and processing and transmission.

[0039] In an asphalt concrete processing device of the present invention, a double-layer conveying structure with different functions is provided in conjunction with the internal structure of the drying optimization mechanism 40. This can greatly improve the drying efficiency of aggregate particles and achieve a multi-faceted drying effect. The conveyor belt of the double-layer conveying mechanism 20 consists of an inner transmission support belt 39 and an outer elastic metal mesh belt 49. The inner transmission support belt 39 is supported and driven by the transmission roller 36, which plays the main role in the overall belt transmission and conveying, and drives the elastic metal mesh belt 49 to convey the material. In the drying optimization mechanism 40, the merging pressure plates 46 on both sides of the transmission control unit 44 ensure that the transmission support belt 39 and the elastic metal mesh belt 49 are in a merged state when entering and exiting the drying optimization mechanism 40. In the drying treatment unit 42, the elastic metal mesh belt 49 is placed on the upper side of the drying transmission heat pipe 52 and the transmission support belt 39 is placed on the lower side of the drying transmission heat pipe 52. The material is separated and transported within the drying section 42. During the transport process, the material passes through multiple sets of functional rollers 48 inside the drive mounting plate 47, along with water stain adsorption sleeves 58. Before the material enters the drying section 42, the rotating water stain adsorption sleeves 58 adhere to the granules, causing them to tumble and adsorb surface moisture. This process continuously propels the granules into the drying section 42. Inside the drying section 42, the elastic metal mesh belt 49 is positioned above multiple sets of drying transmission heat pipes 52, reducing the distance to the high-temperature drying plate 24 and the air source. The top of the drying section 42 features a vertical air guide trough 43 facing the hot air blower 30. By raising the belt and reducing the spacing, the vertical air guide trough 43 facing the air source significantly improves the drying efficiency of the aggregate particles under the effects of high-temperature irradiation and high-speed blowing of high-temperature airflow.

[0040] In the drying optimization mechanism 40 of the asphalt concrete processing equipment of the present invention, there is a structure that improves the multi-faceted drying effect and efficiency of aggregate particles. The surface of the drying transmission heat pipe 52 is provided with heat-conducting protrusions 54 and is attached to the bottom transmission support belt 39 through the drying transmission heat pipe 52. It can realize that the drying transmission heat pipe 52 is driven to rotate during the transmission of the transmission support belt 39. The arrangement of multiple sets of heat-conducting protrusions 54 can realize a regular indirect shaking effect on the upper elastic metal mesh belt 49 during the rotation. This causes the aggregate particles on the upper side of the elastic metal mesh belt 49 to follow the shaking and achieve the flipping of multiple structural surfaces. In combination with the high temperature irradiation and airflow blowing effect, the multi-faceted drying effect of the aggregate particles is further improved. At the same time, the shaking combined with the airflow blowing effect can also shake off the water droplets on the surface of the irregular aggregate particles and improve the drying efficiency.

[0041] In the drying optimization mechanism 40 of the asphalt concrete processing equipment of the present invention, there is a structure that improves the multi-faceted drying efficiency of aggregate particles and the heat energy utilization of the conveying structure. The drying transmission heat pipe 52 not only serves as a separation and transmission vibration structure, but also has a high-temperature water cavity 53 inside the drying transmission heat pipe 52. A heat energy water tank 26 is provided in the drying processing tunnel 16. The heat energy water tank 26 can transfer the temperature inside the cavity to the water body through material heat conduction and the top high heat conductivity plate 29, thereby continuously providing a heating effect to the water body in the high-temperature water cavity 53. The drying transmission heat pipe 52 separates the transmission support belt 39 and the elastic metal mesh belt 49 and makes the elastic... The metal mesh belt 49 and the aggregate material particles are placed on the upper side, which not only raises the drying height and improves the heat irradiation and hot air blowing effect, but also, through the effect of the high temperature water in the drying transmission heat pipe 52, a heat source can be formed on the lower side of the aggregate material particles. This, combined with the shaking and face-changing effect, further improves the drying effect of irregular multifaceted particles. At the same time, the high temperature effect of the drying transmission heat pipe 52 can also accelerate the drying of water stains on the surface of the transmission support belt 39 and the elastic metal mesh belt 49. The setting between the two can improve the drying effect on the surface of the transmission support belt 39 and the elastic metal mesh belt 49 and avoid the problem of water stains remaining and affecting humidity and reducing drying efficiency.

[0042] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand and implement the present invention. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A processing equipment for asphalt concrete, comprising an aggregate processing platform, a drying processing plate on the upper side of the aggregate processing platform, an aggregate drying mechanism fixedly installed on the upper side of the drying processing plate, the aggregate drying mechanism including a drying tunnel, conveying troughs on both sides of the drying tunnel, a hot air blower fixedly installed inside the top of the drying tunnel, and a high-temperature drying plate fixedly installed inside the drying tunnel, characterized in that: A drying optimization mechanism is fixedly installed inside the drying tunnel. The drying optimization mechanism includes a drying guide housing, which has a drying section. The top of the drying section has a vertical air guide groove corresponding to the position of the hot air blower. Transmission control sections are located on the left and right sides of the drying section. Functional rollers are synchronously mounted on an array on the inner wall of the transmission control section. Water stain adsorption sleeves are fixedly mounted on the outer side of the functional rollers. A drying assembly is fixedly installed inside the drying section, comprising two sets symmetrically installed in front of the drying section. The rear sidewall has a structural mounting plate, and a drying transmission heat pipe is rotatably mounted between two sets of structural mounting plates. The outer surface of the drying transmission heat pipe is provided with a ring array of heat-conducting protrusions. A double-layer conveying mechanism is rotatably mounted inside the drying treatment plate. The double-layer conveying mechanism includes an inner transmission support belt and an outer elastic metal mesh belt. The transmission support belt and the elastic metal mesh belt are separated when they are driven in the drying treatment section and are respectively distributed on the upper and lower sides of the drying assembly. The elastic metal mesh belt is placed on the upper side of the drying transmission heat pipe, and the transmission support belt is placed on the lower side of the drying transmission heat pipe.

2. The processing equipment for asphalt concrete according to claim 1, characterized in that: The drying transmission heat pipe is provided with a high-temperature water chamber. A heat pipe mounting plate is installed on the inner side of the structural mounting plate. The drying transmission heat pipe is rotatably mounted on the heat pipe mounting plate. A high-temperature water tank is provided on the inner wall of the structural mounting plate. The high-temperature water tank is connected to each of the drying transmission heat pipes. A connecting transmission plate is fixedly connected to the outside of the high-temperature water tank. The connecting transmission plate is provided with a pipe body connecting block.

3. The processing equipment for asphalt concrete according to claim 2, characterized in that: A fixed frame plate is fixedly installed on the inner wall of the rear side of the drying tunnel. A hot water tank is installed on the fixed frame plate. A water pump is installed in the hot water tank. A high thermal conductivity top plate is provided on the outer wall of the top of the hot water tank. The water pump transmission end is connected to the pipe body connecting block through a metal flexible tube.

4. The processing equipment for asphalt concrete according to claim 1, characterized in that: The transmission control unit is symmetrically fixed with pressure plate fixing frames on the inner wall near the outer side. The pressure plate fixing frames are fixed with merging pressure plates. The merging pressure plates are attached to both sides of the double-layer conveying mechanism, so that the transmission support belt and the elastic metal mesh belt are in a merging state when entering and exiting the drying treatment unit, and are separated by the drying transmission heat pipe structures only when they are in the drying treatment unit.

5. The processing equipment for asphalt concrete according to claim 1, characterized in that: The transmission control unit has a drive mounting plate fixedly installed on its inner wall near the inner side. The drive mounting plate array rotatably mounts the functional rollers, which are synchronously driven by a belt structure. A drive motor is fixedly installed on the outside of the drive mounting plate, and the drive motor is connected to one of the sets of functional rollers.

6. The processing equipment for asphalt concrete according to claim 1, characterized in that: A motor drive box is fixedly installed on the top of the drying tunnel, and a cooling motor is fixedly installed in the motor drive box. The cooling motor is poweredly connected to the fan blade structure inside the hot air blower. A control box is fixedly installed on the side of the drying tunnel, and a control host is installed inside the control box.

7. The processing equipment for asphalt concrete according to claim 1, characterized in that: The material processing platform is equipped with a conveyor belt drive box on the left side. The conveyor belt drive box contains a gear, toothed belt drive structure and a drive motor. The double-layer conveying mechanism also includes two sets of transmission rollers. The transmission rollers are rotatably mounted in the shaft grooves on both sides of the drying processing platform. The transmission rollers are supported on both sides inside the transmission support belt. A drive pulley is installed on the outer side of the shaft end of the left transmission roller. The drive pulley is connected to the toothed belt drive structure in the conveyor belt drive box.

8. The processing equipment for asphalt concrete according to claim 1, characterized in that: The functional rollers in the left-hand transmission control unit rotate counterclockwise to push the granules into the drying unit, while the functional rollers in the right-hand transmission control unit also rotate counterclockwise to push the granules out of the drying unit.

9. The processing equipment for asphalt concrete according to claim 1, characterized in that: The material processing platform is equipped with a storage cavity, which can be used to store items or to inspect and maintain the double-layer conveying mechanism when it is open. The bottom of the material processing platform is equipped with a set of sliding wheels, and the bottom of the material processing platform is threaded and can be raised and lowered with fixed support legs.

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