Regeneration device based on asphalt warm mixing

By designing a defoaming device in the asphalt warm mixing regeneration device, and using the stirring rack and stirring impeller to generate turbulence and shear force, the problem of bubble influence during asphalt processing is solved, and the bonding strength between asphalt and aggregate and the performance of the road surface are improved.

CN120158968APending Publication Date: 2025-06-17GUANGDONG UNIV OF TECH +1
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Patent Information

Application Number
CN202510577208.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2025-06-17

AI Technical Summary

Technical Problem

During the warm mixing and regeneration process of asphalt, moisture and volatile substances inside the asphalt evaporate or release to form bubbles. If they cannot be eliminated in time, it will affect the uniformity and compactness of the mixture, resulting in the unsolid bond between the asphalt and the aggregate, reducing the effect of warm mixing and regeneration processing of asphalt, and affecting the rut resistance, frost resistance and durability of the road surface.

Method used

A regeneration device based on asphalt warm mixing is designed, including a heating warm mixer and a cover. The cover is equipped with a debubbler. The debubbler device drives the mixing rack to rotate through a motor, and cooperates with an auxiliary mechanism to drive the agitator to rotate up and down and rotate, generating turbulence and shear forces to quickly debubble. At the same time, the mixing rod rotates under the bubbly force of the float ball to debubble the bubbles on the asphalt surface.

Benefits of technology

By setting up a defoaming device, the defoaming efficiency can be effectively improved, the stability of bubbles is broken, the chances of bubble bursting and elimination are increased, the bonding strength between asphalt and aggregates is improved, and the rut resistance, frost resistance and durability of the road surface are improved.

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Abstract

The invention provides a regeneration device based on asphalt warm mixing, and relates to the field of asphalt warm mixing, the regeneration device comprises a heating warm mixing machine and a machine cover, by arranging a defoaming device, asphalt and a regeneration agent are put into the heating warm mixing machine, then the heating warm mixing machine is started for heating, meanwhile, the machine cover is covered, and the heating warm mixing machine is started for heating; then a motor is started to drive a stirring frame to rotate circumferentially in the heating warm mixer, and meanwhile, a stirring impeller is driven by an auxiliary mechanism to rotate up and down and rotate automatically when rotating circumferentially along with the stirring frame, so that more turbulent flow and shearing force are generated, the stability of bubbles is broken, and the chance of bubble breakage and removal is increased; and meanwhile, a stirring rod can drive a second telescopic rod to correspondingly contract under the buoyancy action of a floating ball, then the stirring rod is located on the surface of the asphalt liquid level and rotates along with rotation of a stirring frame, and bubbles on the surface of the stirring rod are subjected to defoaming treatment.
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Description

Technical Field

[0001] The present invention relates to the field of warm mix asphalt, and in particular to a recycling device based on warm mix asphalt. Background Art

[0002] A warm mix asphalt recycling device is a device used to heat, stir, and recycle waste asphalt materials to restore them to a state suitable for reuse. The device processes recycled asphalt at a lower temperature, reducing energy consumption and maintaining the adhesiveness and stability of the asphalt, avoiding excessive volatilization and pollution that may occur during traditional high-temperature hot mixing, and being able to effectively remove moisture and volatile substances in the recycled asphalt.

[0003] During the process of warm mix recycling of asphalt using a warm mix heater, when moisture and volatile substances inside the asphalt evaporate or are released during warm mix heating, bubbles may form. If these bubbles cannot be removed in time, they will affect the uniformity and density of the mixture, resulting in weak adhesion between the asphalt and the aggregate, reducing the effect of warm mix recycling of asphalt, and further affecting the rutting resistance, frost resistance, and durability of the road surface. It may even cause construction difficulties, affecting the final road surface quality and service life. Summary of the Invention

[0004] The technical problem to be solved by the present invention is: During the warm mix recycling process of asphalt, when moisture and volatile substances inside the asphalt evaporate or are released during warm mix heating, bubbles may form. If these bubbles cannot be removed in time, they will affect the uniformity and density of the mixture, resulting in weak adhesion between the asphalt and the aggregate, reducing the effect of warm mix recycling of asphalt, and further affecting the rutting resistance, frost resistance, and durability of the road surface. It may even cause construction difficulties, affecting the final road surface quality and service life.

[0005] The technical solution adopted by the present invention to solve its technical problem is: A recycling device based on warm mix asphalt, including a warm mix heater and a machine cover. The machine cover is detachably installed on the top of the warm mix heater. The bottom of the warm mix heater is provided with a discharge pipe, the top of the machine cover is provided with a feed pipe, and one side of the machine cover is provided with a defoaming device. The defoaming device drives a stirring frame to rotate through a motor, and at the same time, cooperates with an auxiliary mechanism to drive a stirring impeller to rotate circumferentially, up and down, and self-rotate along with the stirring frame to generate more turbulence and shear force to achieve the effect of rapid defoaming. At the same time, auxiliary defoaming treatment is carried out on the asphalt liquid surface by means of a stirring rod.

[0006] Preferably, the defoaming device includes a stirring frame and a stirring impeller, wherein one end of the stirring frame is installed through the inner wall of one side of the machine cover; a motor, one side of which is fixedly installed on one side of the machine cover, and the output end is fixedly installed on one side of one end of the stirring frame by means of a coupling; an auxiliary mechanism, which is arranged between the two ends of the stirring impeller and the inner wall of the stirring frame and is used to drive the stirring impeller to move up and down and rotate simultaneously; a second telescopic rod, one end of which is fixedly installed on one side of the stirring frame and is located above the stirring impeller, and a stirring rod is fixedly installed at one end of the second telescopic rod, and floating balls are symmetrically and fixedly installed on one side of the stirring rod.

[0007] The effects achieved by the above components are as follows: By setting up the defoaming device, after putting asphalt and regenerant into the internal of the heated warm mix machine, then start the heated warm mix machine for heating, and at the same time cover the machine cover, and then start the motor to drive the stirring frame to rotate circumferentially inside the heated warm mix machine. At the same time, with the help of the auxiliary mechanism, drive the stirring impeller to rotate circumferentially with the stirring frame while moving up and down and rotating, so as to generate more turbulence and shear force, break the stability of the bubbles, and increase the chance of bubble rupture and removal, thereby effectively improving the defoaming efficiency. At the same time, under the buoyancy of the floating balls, the stirring rod will drive the second telescopic rod to shrink correspondingly, and then make the stirring rod located on the surface of the asphalt liquid level, and rotate with the rotation of the stirring frame to defoam the bubbles on its surface.

[0008] Preferably, the floating balls are made of polyethylene lightweight plastic material, and the blades of the stirring impeller are in a spiral filter screen shape.

[0009] The effects achieved by the above components are as follows: By using polyethylene lightweight plastic material to make the floating balls, polyethylene has the characteristics of low density and high temperature resistance, and its density is lower than that of asphalt. Therefore, at high temperature, the floating balls can drive the stirring rod to float on the surface of the asphalt, which is convenient for eliminating the bubbles generated on the surface of the asphalt. At the same time, setting the blades of the stirring impeller in a spiral filter screen shape can increase the power of stirring, form an irregular turbulent flow field, make the bubbles be effectively stretched and broken, and enhance the discharge efficiency of the bubbles.

[0010] Preferably, reinforcing rods are symmetrically and fixedly installed on the outer surface of one end of the second telescopic rod, and one side of the reinforcing rods is fixedly installed on one side of the stirring rod.

[0011] The effects achieved by the above components are as follows: By setting up the reinforcing rods, the connection area between the stirring rod and the second telescopic rod can be increased, and the connection part is more firm, stable and not easy to break and damage.

[0012] Preferably, the auxiliary mechanism includes two arc-shaped bevel gear blocks, one side of the two arc-shaped bevel gear blocks is symmetrically installed on one side of the inner wall of the machine cover; a bevel gear, one end of the bevel gear penetrates through one side of the stirring frame and extends into the inner wall, and a steel wire rope is fixedly installed on the outer surface of one end of the bevel gear, and the outer surface of the bevel gear meshes with the outer surface of the arc-shaped bevel gear block; two sliders, the two sliders are respectively slidably installed in the inner walls at both ends of the stirring frame, a circular gear is installed through one side of the slider, and one end of the steel wire rope is fixedly installed on one side of the slider, and a detachable device is arranged between one ends of the two circular gears and both ends of the stirring impeller; a spring, both ends of the spring are respectively fixedly installed on one side of the slider and one side of the inner wall of the stirring frame; a plurality of telescopic plates, both ends of the telescopic plate are respectively fixedly installed on the slider and one side of the inner wall of the stirring frame; two toothed plates, one side of the toothed plate is fixedly installed on one side of the inner wall of the stirring frame and meshes with the circular gear on one side.

[0013] The effects achieved by the above components are as follows: By setting the auxiliary mechanism, when the stirring frame rotates circumferentially, it will drive the bevel gear to rotate circumferentially with the stirring frame on the arc-shaped bevel gear block and rotate self, winding one end of the steel wire rope, and pulling the other end to drive the slider to move upward in the inner wall of the stirring frame, so that the telescopic plates on both sides thereof will expand and contract correspondingly with the movement of the slider, while driving the spring to be stretched, and driving the circular gear and the stirring impeller to move upward as well. When the circular gear moves upward, it will rotate self under the meshing of the toothed plate, driving the stirring impeller to rotate self to stir and shear the asphalt. By driving the stirring impeller to move in different directions through the auxiliary mechanism, a complex flow field can be formed during the stirring process, which helps to accelerate the release and elimination of bubbles and improve the overall stirring effect.

[0014] Preferably, a first telescopic rod is fixedly installed on one side of the inner wall of the stirring frame. After the outer surface of the first telescopic rod penetrates through the inner wall of the spring, one end is fixedly installed on one side of the slider.

[0015] The effects achieved by the above components are as follows: By setting the first telescopic rod, the inner wall of the spring can be supported and strengthened, making it not easy to be damaged and improving the service life.

[0016] Preferably, the auxiliary mechanism further includes a ring block, one end of the bevel gear penetrates through and is installed on the outer surface of the ring block, a ring frame is fixedly installed on the inner wall of the machine cover, the arc-shaped bevel gear block is arranged in the inner wall of the ring frame, and both sides of the ring block are respectively rotationally connected to the ring frame and one side of the machine cover.

[0017] The effects achieved by the above components are as follows: By providing the circular ring block and the circular ring frame, one end of the arc bevel gear block and the bevel gear can be shielded, so that while not affecting the rotation of the stirring frame, it is not easy for the external asphalt to adhere to the arc bevel gear block and the bevel gear, resulting in jamming, and it is convenient for rotation operation.

[0018] Preferably, the detachable device includes bolts. A clamping groove is provided on one side of the circular gear. Threaded holes are provided on both sides of the inner wall of the clamping groove. Both ends of the stirring impeller are fixedly installed with threaded hole blocks. The threaded hole blocks are inserted into the inner wall of the clamping groove. One end of the bolt is spirally inserted into the inner walls of the threaded hole and the threaded hole block.

[0019] The effects achieved by the above components are as follows: By providing the detachable device, when the stirring impeller is damaged or needs to be cleaned and maintained, the bolt can be spirally screwed out from the inner walls of the threaded hole and the threaded hole block, and then the stirring impeller can be pulled towards one end, so that the threaded hole blocks on both sides of it are pulled out from the clamping groove, and it can be disassembled from one end of the circular gear, which is convenient for replacement and maintenance.

[0020] The beneficial effects of the present invention are:

[0021] By providing a defoaming device, after putting asphalt and a regenerant into the heating warm mix machine, then starting the heating warm mix machine for heating, covering the machine cover at the same time, starting the motor to drive the stirring frame to rotate circumferentially inside the heating warm mix machine, and at the same time driving the stirring impeller to rotate circumferentially with the stirring frame and perform up-and-down rotation and self-rotation movements with the help of the auxiliary mechanism, to generate more turbulence and shear force, break the stability of the bubbles, and increase the chance of bubble rupture and elimination, thereby effectively improving the defoaming efficiency. At the same time, under the buoyancy of the floating ball, the stirring rod will drive the second telescopic rod to contract correspondingly, and then make the stirring rod located on the surface of the asphalt liquid level, and rotate with the rotation of the stirring frame to defoam the bubbles on its surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below with reference to the drawings and embodiments.

[0023] Figure 1 is a schematic structural diagram of a regeneration device based on asphalt warm mix proposed by the present invention.

[0024] Figure 2 is a three-dimensional structural diagram of the machine cover in a regeneration device based on asphalt warm mix proposed by the present invention;

[0025] Figure 3 is a three-dimensional structural diagram of the arc bevel gear block in a regeneration device based on asphalt warm mix proposed by the present invention;

[0026] Figure 4This invention provides a three-dimensional structure schematic diagram of the stirring frame in a recycling device based on warm mix asphalt.

[0027] Figure 5 This invention provides a recycling device based on warm mix asphalt Figure 4 a three-dimensional schematic diagram of a partial structure therein;

[0028] Figure 6 This invention provides a three-dimensional structure schematic diagram of the stirring impeller in a recycling device based on warm mix asphalt.

[0029] Legend: 1, heating warm mix machine; 2, defoaming device; 3, detachable device; 4, machine cover; 5, feed pipe; 6, discharge pipe; 21, stirring frame; 22, stirring impeller; 23, auxiliary mechanism; 231, arc bevel gear block; 232, bevel gear; 233, steel wire rope; 234, spring; 235, slider; 236, telescopic plate; 237, circular gear; 238, toothed plate; 239, first telescopic rod; 2310, ring block; 2311, ring frame; 24, second telescopic rod; 25, stirring rod; 26, floating ball; 27, reinforcing rod; 28, motor; 31, screw hole block; 32, card slot; 33, threaded hole; 34, bolt. Detailed implementation manners

[0030] Now, the present invention will be further described in detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so they only show the components related to the present invention.

[0031] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Figures 1-6 A recycling device based on warm mix asphalt as shown includes a heating warm mix machine 1 and a machine cover 4. The machine cover 4 is detachably installed on the top of the heating warm mix machine 1. A discharge pipe 6 is provided at the bottom of the heating warm mix machine 1, a feed pipe 5 is provided at the top of the machine cover 4, and a defoaming device 2 is provided on one side of the machine cover 4. The defoaming device 2 drives the stirring frame 21 to rotate through a motor 28. At the same time, in cooperation with the auxiliary mechanism 23, it drives the stirring impeller 22 to rotate circumferentially, up and down, and self-rotate along with the stirring frame 21 to generate more turbulence and shear force to achieve the effect of rapid defoaming. At the same time, the stirring rod 25 is used to assist in defoaming the asphalt liquid surface.

[0033] Figures 1-6 The shown defoaming device includes a stirring frame 21 and a stirring impeller 22, wherein one end of the stirring frame 21 is installed through the inner wall on one side of the machine cover 4; a motor 28, one side of the motor 28 is fixedly installed on one side of the machine cover 4, and the output end is fixedly installed on one side of one end of the stirring frame 21 by means of a coupling; an auxiliary mechanism 23, the auxiliary mechanism 23 is arranged between the two ends of the stirring impeller 22 and the inner wall of the stirring frame 21, and is used to drive the stirring impeller 22 to move up and down and rotate self - simultaneously; a second telescopic rod 24, one end of the second telescopic rod 24 is fixedly installed on one side of the stirring frame 21 and is located above the stirring impeller 22, and a stirring rod 25 is fixedly installed at one end of the second telescopic rod 24, and floating balls 26 are symmetrically fixedly installed on one side of the stirring rod 25. After putting asphalt and regenerant into the heated warm - mix machine 1, then start the heated warm - mix machine 1 for heating, and at the same time cover the machine cover 4, then start the motor 28 to drive the stirring frame 21 to rotate circumferentially inside the heated warm - mix machine 1. At the same time, with the help of the auxiliary mechanism 23, drive the stirring impeller 22 to rotate circumferentially with the stirring frame 21 while moving up and down and rotating self - to generate more turbulence and shear force, break the stability of the bubbles, and increase the chance of bubble rupture and removal, thereby effectively improving the defoaming efficiency. At the same time, under the buoyancy of the floating balls 26, the stirring rod 25 will drive the second telescopic rod 24 to shrink correspondingly, and then make the stirring rod 25 located on the surface of the asphalt liquid level, and rotate with the rotation of the stirring frame 21 to defoam the bubbles on its surface. The floating balls 26 are made of polyethylene lightweight plastic material, and the blades of the stirring impeller 22 are in a spiral filter - mesh shape. By using polyethylene lightweight plastic material to make the floating balls 26, polyethylene has the characteristics of low density and high temperature resistance, and the density is lower than that of asphalt. Therefore, at high temperature, the floating balls 26 can drive the stirring rod 25 to float on the surface of the asphalt, which is convenient for eliminating the bubbles generated on the surface of the asphalt. At the same time, setting the blades of the stirring impeller 22 in a spiral filter - mesh shape can increase the stirring power, form an irregular disturbance flow field, make the bubbles be effectively stretched and broken, and enhance the bubble discharge efficiency. Reinforcing rods 27 are symmetrically fixedly installed on the outer surface of one end of the second telescopic rod 24, and one side of the reinforcing rods 27 is fixedly installed on one side of the stirring rod 25. By setting the reinforcing rods 27, the connection area between the stirring rod 25 and the second telescopic rod 24 can be increased, and the connection part is more firm and stable and not easy to break and damage.

[0034] Figures 1-6The shown auxiliary mechanism 23 includes two arc bevel gear blocks 231, and one sides of the two arc bevel gear blocks 231 are symmetrically installed on one side of the inner wall of the machine cover 4; a bevel gear 232, one end of the bevel gear 232 penetrates through one side of the stirring frame 21 and extends into the inner wall, a steel wire rope 233 is fixedly installed on the outer surface of one end of the bevel gear 232, and the outer surface of the bevel gear 232 meshes with the outer surface of the arc bevel gear block 231; two sliders 235, the two sliders 235 are respectively slidably installed in the inner walls at both ends of the stirring frame 21, a circular gear 237 is installed through one side of the slider 235, one end of the steel wire rope 233 is fixedly installed on one side of the slider 235, and a detachable device 3 is arranged between one ends of the two circular gears 237 and both ends of the stirring impeller 22; a spring 234, both ends of the spring 234 are respectively fixedly installed on one side of the slider 235 and one side of the inner wall of the stirring frame 21; a plurality of telescopic plates 236, both ends of the telescopic plate 236 are respectively fixedly installed on the slider 235 and one side of the inner wall of the stirring frame 21; two toothed plates 238, one side of the toothed plate 238 is fixedly installed on one side of the inner wall of the stirring frame 21, and one side meshes with the circular gear 237. When the stirring frame 21 makes a circumferential rotation, it will drive the bevel gear 232 to rotate circumferentially with the stirring frame 21 on the arc bevel gear block 231 while rotating self, and wind up one end of the steel wire rope 233, so that the other end thereof pulls the slider 235 to move upward in the inner wall of the stirring frame 21, and the telescopic plates 236 on both sides thereof will stretch correspondingly with the movement of the slider 235, while driving the spring 234 to be stretched, and driving the circular gear 237 and the stirring impeller 22 to also move upward. While the circular gear 237 moves upward, it will rotate self under the meshing of the toothed plate 238, driving the stirring impeller 22 to rotate self to stir and shear the asphalt. Driving the stirring impeller 22 to move in different directions through the auxiliary mechanism 23 can form a complex flow field during the stirring process, which helps to accelerate the release and elimination of bubbles and improve the overall stirring effect.

[0035] Figures 1-6On one side of the inner wall of the shown stirring frame 21, a first telescopic rod 239 is fixedly installed. After the outer surface of the first telescopic rod 239 penetrates through the inner wall of the spring 234, one end is fixedly installed on one side of the slider 235. The effects achieved by the above components are as follows: By setting the first telescopic rod 239, the inner wall of the spring 234 can be supported and strengthened, making it not easily damaged and improving its service life. The auxiliary mechanism 23 further includes a circular ring block 2310. One end of the bevel gear 232 is installed through the outer surface of the circular ring block 2310. A circular ring frame 2311 is fixedly installed on the inner wall of the machine cover 4. The arc bevel gear block 231 is arranged in the inner wall of the circular ring frame 2311. The two sides of the circular ring block 2310 are respectively rotationally connected to one side of the circular ring frame 2311 and the machine cover 4. By setting the circular ring block 2310 and the circular ring frame 2311, the arc bevel gear block 231 and one end of the bevel gear 232 can be shielded, so that while not affecting the rotation of the stirring frame 21, the external asphalt is not easily attached to the arc bevel gear block 231 and the bevel gear 232, resulting in jamming, and it is convenient for rotational operation.

[0036] Figures 1-6 The shown detachable device 3 includes a bolt 34. A clamping groove 32 is formed on one side of the circular gear 237. Threaded holes 33 are formed on both sides of the inner wall of the clamping groove 32. Screw hole blocks 31 are fixedly installed at both ends of the stirring impeller 22. The screw hole blocks 31 are inserted into the inner wall of the clamping groove 32. One end of the bolt 34 is spirally inserted into the inner walls of the threaded hole 33 and the screw hole block 31. When the stirring impeller 22 is damaged or needs to be cleaned and maintained, the bolt 34 can be spirally screwed out from the inner walls of the threaded hole 33 and the screw hole block 31, and then the stirring impeller 22 is pulled towards one end, so that the screw hole blocks 31 on both sides of it are pulled out from the clamping groove 32, and it is disassembled from one end of the circular gear 237, which is convenient for replacement and maintenance.

[0037] Working principle: After putting asphalt and regenerant into the internal part of the heated warm mix machine 1, then start the heated warm mix machine 1 for heating, and at the same time cover the machine cover 4. If chemical agents need to be added during the process, they can be added through the feed pipe 5. Then start the motor 28 to drive the stirring frame 21 to rotate circumferentially inside the heated warm mix machine 1. When the stirring frame 21 rotates circumferentially, it will drive the bevel gear 232 to rotate on the arc bevel gear block 231 while rotating circumferentially with the stirring frame 21, and at the same time rotate self - sufficiently, winding one end of the steel wire rope 233, so that the other end pulls the slider 235 to move upward in the inner wall of the stirring frame 21, causing the telescopic plates 236 on both sides to expand and contract correspondingly with the movement of the slider 235, and at the same time driving the spring 234 to be stretched, and driving the circular gear 237 and the stirring impeller 22 to move upward as well. When the circular gear 237 moves upward, it will rotate self - sufficiently under the meshing of the toothed plate 238, driving the stirring impeller 22 to rotate self - sufficiently to stir and shear the asphalt. The auxiliary mechanism 23 drives the stirring impeller 22 to move in different directions, which can form a complex flow field during the stirring process to generate more turbulence and shear force, break the stability of bubbles, and increase the chance of bubble rupture and elimination, thereby effectively improving the defoaming efficiency. At the same time, under the buoyancy of the floating ball 26, the stirring rod 25 will drive the second telescopic rod 24 to contract correspondingly, and then make the stirring rod 25 located on the surface of the asphalt liquid level, rotating with the rotation of the stirring frame 21 to defoam the bubbles on its surface. Finally, the processed asphalt will be discharged through the discharge pipe 6 for use.

[0038] When the stirring impeller 22 is damaged or needs to be cleaned and maintained, the bolt 34 can be screwed out from the inner walls of the threaded hole 33 and the screw hole block 31, and then the stirring impeller 22 is pulled towards one end, so that the screw hole blocks 31 on both sides are pulled out from the card slots 32, and it is disassembled from one end of the circular gear 237, which is convenient for replacement and maintenance.

[0039] Inspired by the above - mentioned ideal embodiments of the present invention, through the above - mentioned description, relevant staff can completely make various changes and modifications without departing from the technical idea of this invention. The technical scope of this invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A regeneration device based on warm asphalt mixing, comprising a heating warm mixer (1) and a machine cover (4), characterized in that: The machine cover (4) is detachably mounted on the top of the heating and warming mixer (1); a discharge pipe (6) is arranged at the bottom of the heating and warming mixer (1); a feed pipe (5) is arranged at the top of the machine cover (4); a defoaming device (2) is arranged on one side of the machine cover (4); the defoaming device (2) drives the stirring frame (21) to rotate through a motor (28); and at the same time cooperates with an auxiliary mechanism (23) to drive the stirring impeller (22) to rotate in a circle and rotate up and down and rotate on its own along with the stirring frame (21), so as to generate more turbulence and shear force to achieve a rapid defoaming effect, and at the same time, assist in defoaming the asphalt liquid surface with the help of a stirring rod (25).

2. The asphalt warm mix regeneration device according to claim 1 is characterized in that: The defoaming device comprises a stirring frame (21) and a stirring impeller (22), wherein one end of the stirring frame (21) is installed through one side of the inner wall of the machine cover (4); A motor (28), wherein one side of the motor (28) is fixedly mounted on one side of the machine cover (4), and the output end is fixedly mounted on one side of one end of the stirring frame (21) by means of a coupling; An auxiliary mechanism (23), wherein the auxiliary mechanism (23) is arranged between the two ends of the stirring impeller (22) and the inner wall of the stirring frame (21), and is used to drive the stirring impeller (22) to move up and down while rotating; A second telescopic rod (24), wherein one end of the second telescopic rod (24) is fixedly mounted on one side of the stirring frame (21) and is located above the stirring impeller (22); a stirring rod (25) is fixedly mounted on one end of the second telescopic rod (24); and a floating ball (26) is symmetrically fixedly mounted on one side of the stirring rod (25).

3. The asphalt warm mix regeneration device according to claim 2 is characterized in that: The floating ball (26) is made of polyethylene light plastic material, and the blades of the stirring impeller (22) are in the shape of a spiral filter.

4. The asphalt warm mix regeneration device according to claim 2 is characterized in that: A reinforcing rod (27) is symmetrically fixedly mounted on the outer surface of one end of the second telescopic rod (24), and one side of the reinforcing rod (27) is fixedly mounted on one side of the stirring rod (25).

5. The asphalt warm mix regeneration device according to claim 2 is characterized in that: The auxiliary mechanism (23) comprises two arc-shaped bevel gear blocks (231), wherein one side of the two arc-shaped bevel gear blocks (231) is symmetrically mounted on one side of the inner wall of the machine cover (4); A bevel gear (232), wherein one end of the bevel gear (232) penetrates one side of the stirring frame (21) and extends into the inner wall, a steel wire rope (233) is fixedly mounted on the outer surface of one end of the bevel gear (232), and the outer surface of the bevel gear (232) is meshed with the outer surface of the arc-shaped bevel gear block (231); Two sliders (235), wherein the two sliders (235) are respectively slidably mounted in the inner walls at both ends of the stirring frame (21), a circular gear (237) is installed through one side of the slider (235), one end of the steel wire rope (233) is fixedly mounted on one side of the slider (235), and a detachable device (3) is provided between one end of the two circular gears (237) and both ends of the stirring impeller (22); A spring (234), wherein two ends of the spring (234) are respectively fixedly mounted on one side of the slider (235) and one side of the inner wall of the stirring frame (21); A plurality of telescopic plates (236), wherein two ends of the telescopic plates (236) are respectively fixedly mounted on one side of the inner wall of the slider (235) and the stirring frame (21); Two tooth plates (238), wherein one side of the tooth plate (238) is fixedly mounted on one side of the inner wall of the stirring frame (21), and one side is meshed with the circular gear (237).

6. The asphalt warm mix regeneration device according to claim 2 is characterized in that: A first telescopic rod (239) is fixedly mounted on one side of the inner wall of the stirring frame (21); the outer surface of the first telescopic rod (239) passes through the inner wall of the spring (234), and one end of the first telescopic rod (239) is fixedly mounted on one side of the sliding block (235).

7. The asphalt warm mix regeneration device according to claim 2 is characterized in that: The auxiliary mechanism (23) further comprises a circular ring block (2310), wherein one end of the bevel gear (232) is installed through the outer surface of the circular ring block (2310), a circular ring frame (2311) is fixedly installed on the inner wall of the machine cover (4), the arc-shaped bevel gear block (231) is arranged in the inner wall of the circular ring frame (2311), and two sides of the circular ring block (2310) are respectively rotatably connected to the circular ring frame (2311) and one side of the machine cover (4).

8. The asphalt warm mix regeneration device according to claim 5 is characterized in that: The detachable device (3) comprises a bolt (34), a slot (32) is provided on one side of the circular gear (237), and threaded holes (33) are provided on both sides of the inner wall of the slot (32).

9. The asphalt warm mix regeneration device according to claim 8, characterized in that: Screw hole blocks (31) are fixedly mounted at both ends of the stirring impeller (22), the screw hole blocks (31) are inserted into the inner wall of the slot (32), and one end of the bolt (34) is screwed into the threaded hole (33) and the inner wall of the screw hole block (31).