CN112899007A

CN112899007A - Asphalt foaming device

Info

Publication number: CN112899007A
Application number: CN202110075166.XA
Authority: CN
Inventors: 杨继兴; 陈芳
Original assignee: Individual
Current assignee: Liaoning Donghao Chemical Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-06-04
Anticipated expiration: 2041-01-20
Also published as: CN112899007B

Abstract

The invention belongs to the technical field of asphalt foaming, and particularly relates to an asphalt foaming device which comprises an equipment barrel and a plurality of supporting columns fixedly connected to the bottom of the equipment barrel, wherein an upper cavity and a lower cavity are arranged in the equipment barrel, a foaming mechanism is arranged in the upper cavity, the lower end of the foaming mechanism extends into the lower cavity, a feeding pipe is fixedly connected to the top surface of the equipment barrel, the feeding pipe is communicated with the upper cavity, a discharging pipe is fixedly connected to the bottom of the equipment barrel and communicated with the lower cavity, a clamping cavity is further arranged in the equipment barrel, a water supply mechanism is arranged on the feeding pipe and communicated with the clamping cavity, and a driving mechanism used for matching with the foaming mechanism is further externally connected to the side wall of the equipment. Has the advantages that: the invention can reduce the loss of temperature when conveying high-temperature asphalt, effectively keep the high-temperature asphalt at a better operation temperature, and simultaneously can continue to provide heat preservation operation in and after the foaming process, so that the conveyed product can keep a better effect.

Description

Asphalt foaming device

Technical Field

The invention belongs to the technical field of asphalt foaming, and particularly relates to an asphalt foaming device.

Background

In the foaming process or the foaming polymer material, a honeycomb or porous structure is formed through the addition and reaction of a physical foaming agent or a chemical foaming agent, the basic steps of foaming and forming are to form a bubble nucleus, the growth or the expansion of the bubble nucleus and the stability of the bubble nucleus, the solubility of gas is reduced under the given conditions of temperature and pressure so as to reach a saturated state, redundant gas is removed and bubbles are formed, thus realizing the nucleation, the consumption of asphalt in the asphalt mixture after the foaming process can be reduced, and the aging degree of the asphalt is also reduced.

Chinese patent CN111455780A discloses an asphalt foaming device, further specifically discloses an asphalt foaming device comprising a conveyer belt, a processing box, a crushing mechanism, a sieving mechanism and a mixing mechanism, wherein the conveyer belt is arranged beside the processing box, the top of the processing box is provided with a feeding port communicated with the inside of the processing box, the output end of the conveyer belt is butted with the feeding port, the processing box is internally provided with a guide plate capable of dividing the internal space of the processing box into a first cavity and a second cavity, the crushing mechanism and the sieving mechanism are both arranged in the second cavity, the sieving mechanism is provided with a guide plate which is obliquely arranged below, the guide plate is positioned in the second cavity, one end of the guide plate extends to the mixing mechanism, the invention can realize automatic crushing and sieving steps of waste asphalt mixture, is convenient for subsequent regenerated asphalt, saves resource waste and engineering investment, and improves the contact between water and the regenerated asphalt and the quality of asphalt foaming, ensures that the asphalt can be foamed efficiently and has stronger practicability.

This patent has the following drawbacks:

1. asphalt required for foaming needs to be heated in advance and conveyed into equipment for foaming operation, but after heating is finished, high-temperature asphalt easily loses part of heat in the conveying process, so that the temperature during operation is insufficient.

2. The temperature of the material in the equipment is lost during foaming operation, and the temperature of the foamed asphalt is continuously reduced during conveying to influence the subsequent normal use of the material.

To this end, we propose an asphalt foaming device to solve the above problems.

Disclosure of Invention

The present invention has been made in view of the above problems, and an object of the present invention is to provide an asphalt foaming apparatus capable of reducing temperature loss when conveying high-temperature asphalt.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an asphalt foaming device, includes equipment barrel and the many pillars of fixed even in its bottom, be equipped with cavity and cavity down in the equipment barrel, it constructs and makes its lower extreme extend to cavity down to go up to be equipped with foaming in the cavity, the top surface fixedly connected with inlet pipe of equipment barrel, the inlet pipe sets up with last cavity intercommunication, the bottom fixedly connected with discharging pipe of equipment barrel and with cavity down intercommunication setting, still be equipped with in the equipment barrel and press from both sides the chamber, be equipped with water supply mechanism on the inlet pipe, water supply mechanism and the top surface fixed connection of equipment barrel and with last cavity intercommunication setting, water supply mechanism and double-layered chamber intercommunication setting, still external actuating mechanism who is used for cooperating foaming mechanism on the lateral wall of equipment barrel.

In foretell pitch foaming device, foaming mechanism is including setting up the toper section of thick bamboo in last cavity, the inside cavity of toper section of thick bamboo, the coaxial fixedly connected with connecting axle of the interior top surface of toper section of thick bamboo, the lower extreme of connecting axle extends to in the cavity of resorption, fixedly connected with multiunit suction impeller on the pole wall of connecting axle, it sets up through the connector intercommunication with cavity of resorption to go up the cavity, fixed cover is equipped with the support ring on the connector, be equipped with a plurality of receipts material mouths on the support ring, the support ring rotates with a toper section of thick bamboo to be connected, the surface of a toper section of thick bamboo is equipped with the rotating member, the rotating member is connected with.

In foretell pitch foaming device, the rotating member includes that a plurality of coaxial sleeves locate the outer ring of a toper section of thick bamboo, fixedly connected with polylith acanthus leaf on the ring inner wall, the lateral wall fixed connection of acanthus leaf and toper section of thick bamboo, be equipped with a plurality of first spouts on the epicoele indoor wall, sliding connection has the first slider of polylith in the first spout, first slider and ring fixed connection, it inlays the mouth still to be equipped with on the inner wall of cavity to go up, inlay a mouthful rather than one of them ring sliding connection, inlay intraoral ring still coaxial being equipped with the ring gear, the opening has been seted up with the outside of equipment barrel to inlay the mouth, the ring gear passes through the opening and is connected with the actuating mechanism transmission.

In the above asphalt foaming device, the water supply mechanism comprises a first hollow pipe fixedly sleeved outside the feeding pipe and the discharging pipe, the first hollow pipe is communicated with the clamping cavity, the clamping cavity is filled with heating liquid and extends into the first hollow pipe, the clamping cavity is internally and fixedly connected with an electric heater, the first hollow pipe is further provided with a drainage mechanism, and the drainage mechanism is fixedly connected with the top surface of the equipment cylinder and communicated with the upper chamber.

In foretell pitch foaming device, drainage mechanism is including wrapping up the second hollow tube outside first hollow tube, fixedly connected with first water pipe and second water pipe that is linked together with it on the second hollow tube, first water pipe is connected with external water supply equipment, the one end fixedly connected with intake pipe of second water pipe, the top surface fixed connection of intake pipe and equipment barrel just sets up with last cavity intercommunication, the intake pipe is equipped with delivery port and matched with opening and shutting spare with it with second water piping connection portion, the port department fixedly connected with air pump of intake pipe, still be equipped with many in the intake pipe and separate the net.

In foretell pitch foaming device, the piece of opening and shutting is including the second spout that the delivery port was located to the ring, sliding connection has polylith second slider in the second spout, fixedly connected with rolling disc on the second slider, the rolling disc is equipped with through-hole and choke plate, through-hole and choke plate are the angle setting.

In foretell pitch foaming device, actuating mechanism includes fixed connection in the driving motor on the outside lateral wall of equipment barrel, coaxial fixedly connected with gear in driving motor's the drive shaft, the gear passes through opening and ring gear meshing, driving motor and gear dustcoat are equipped with same safety cover.

In the asphalt foaming device, the conical cylinder is internally provided with the embedded cavity, the surface of the conical cylinder is also provided with a plurality of air holes which are communicated with the inside and the outside, the inner walls of the air holes are communicated with the embedded cavity, the top of the conical cylinder is rotatably connected with a hose which is communicated with the embedded cavity, and one end of the hose penetrates through the equipment cylinder body and is connected with external supply equipment.

In the above asphalt foaming device, the asphalt foaming device operates according to the following principle:

1) preheating operation, wherein an operator starts an electric heater firstly, the electric heater rapidly heats heating liquid in the electric heater, then asphalt in a feeding pipe and a discharging pipe and water in a second water pipe are heated or insulated through two first hollow pipes, then the heated asphalt is conveyed into an upper cavity through the feeding pipe, and meanwhile, an air pump is started;

2) mixing and foaming, wherein when the power of the air pump gradually reaches a set value, namely the wind power is enough, the air flow impacts the choke plate, the choke plate is stressed to start driving the rotating disc to rotate, meanwhile, the spring is compressed, the rotating disc rotates to enable the through hole to be communicated with the second water pipe, the high-speed air flow drives the heated water flow which flows out from the second water pipe to violently collide with the partition net to enable the water flow to be rapidly atomized, the atomized water flow carries air to be mixed with high-temperature asphalt in the upper cavity, and the air and the high-temperature asphalt are stirred and mixed through the high-speed rotating blade plate to form foamed asphalt;

3) and discharging the finished product, wherein the foamed asphalt enters the lower cavity through a material receiving port on the support ring under the action of the rotating suction impeller and is discharged for use through a discharge pipe.

Compared with the prior art, the asphalt foaming device has the advantages that:

1. the invention achieves the effect of heat preservation and heating of the upper chamber and the lower chamber by utilizing the flowing of the heating liquid in the clamping cavity and the first hollow pipe through the matching of the clamping cavity, the heating liquid and the first hollow pipe, and simultaneously can also carry out heat preservation operation on the asphalt in the input and output stages, so that the asphalt keeps better effect with the conveyed products during foaming, and the quality and effect of the foamed asphalt during use are effectively improved.

2. According to the invention, through the matching of the first hollow pipe and the second hollow pipe, the water in the first water pipe is heated when the first hollow pipe is used for carrying out heat preservation operation on input asphalt, and is discharged into the upper cavity through the second water pipe, so that the temperature is properly kept in a reasonable range in the foaming process, cold water cannot be rapidly cooled due to the fact that the cold water meets high-temperature asphalt, and the quality and the effect of the cold water in the foaming process are ensured.

Drawings

FIG. 1 is a schematic view of the external structure of an asphalt foaming apparatus according to the present invention;

FIG. 2 is an internal cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure of the closing member of FIG. 2;

FIG. 4 is a schematic view of the structure of the intake pipe of FIG. 2;

FIG. 5 is an enlarged view of a portion of FIG. 2 at A;

FIG. 6 is an enlarged view of a portion of FIG. 2 at B;

fig. 7 is a schematic structural view of the embedding cavity in fig. 2.

In the figure, 1 equipment cylinder, 2 upper chamber, 3 lower chamber, 4 foaming mechanism, 5 feeding pipe, 6 discharging pipe, 7 clamping chamber, 8 water supply mechanism, 9 driving mechanism, 10 conical cylinder, 11 connecting shaft, 12 suction impeller, 13 supporting ring, 14 receiving port, 15 rotating piece, 16 ring, 17 blade plate, 18 first chute, 19 first slide block, 20 toothed ring, 21 first hollow pipe, 22 opening and closing piece, 23 water discharging mechanism, 24 second hollow pipe, 25 first water pipe, 26 second water pipe, 27 air inlet pipe, 28 protecting cover, 29 air pump, 30 second chute, 31 second slide block, 32 rotating disc, 33 through hole, 34 wind-blocking plate, 35 driving motor, 36 gear, 37 embedded cavity, 38 air hole and hose.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

As shown in fig. 1-7, an asphalt foaming device comprises an equipment cylinder 1 and a plurality of pillars fixedly connected to the bottom of the equipment cylinder for improving stability, wherein an upper chamber 2 and a lower chamber 3 are arranged in the equipment cylinder 1, the upper chamber 2 is located below the lower chamber 3, and the radius ratio is 3: 1, a foaming mechanism 4 is arranged in the upper chamber 2, the lower end of the foaming mechanism extends into the lower chamber 3, and the bottoms of the upper chamber 2 and the lower chamber 3 are concave inwards.

Foaming mechanism 4 is including setting up a toper section of thick bamboo 10 in last cavity 2, the inside cavity indent of a toper section of thick bamboo 10, the coaxial fixedly connected with connecting axle 11 of the interior top surface of a toper section of thick bamboo 10, the lower extreme of connecting axle 11 extends to in cavity 3 down, fixedly connected with multiunit suction impeller 12 on the pole wall of connecting axle 11, suction impeller 12 rotates and can form the suction power to last cavity 2, it sets up through the connector intercommunication with cavity 3 down to go up cavity 2, the fixed cover is equipped with support ring 13 on the connector, the bottom edge of support ring 13 has a plurality of material receiving openings 14, support ring 13 rotates with a toper section of thick bamboo 10 to be connected, the surface of a toper section of thick bamboo 10 is equipped.

The rotating part 15 is in transmission connection with the driving mechanism 9, the rotating part 15 comprises a plurality of coaxial rings sleeved on a ring 16 outside the conical barrel 10, the ring 16 is attached to the inner wall of the upper chamber 2, a plurality of blades 17 are fixedly connected to the inner wall of the ring 16, the blades 17 rotate at high speed and are used for mixed air flow, water mist and high-temperature asphalt, the blades 17 are fixedly connected with the side wall of the conical barrel 10, a plurality of first sliding grooves 18 are formed in the inner wall of the upper chamber 2, a plurality of first sliding blocks 19 are connected in the first sliding grooves 18 in a sliding mode, the first sliding blocks 19 are fixedly connected with the ring 16, the ring 16 rotates through the first sliding blocks 19, an embedding opening is further formed in the inner wall of the upper chamber 2 and is in sliding connection with one of the ring 16, a tooth ring 20 is further coaxially arranged in the embedding opening, an opening is formed in the embedding opening and the outer portion of the equipment barrel body 1.

The top surface fixedly connected with inlet pipe 5 of equipment barrel 1, inlet pipe 5 and upper chamber 2 intercommunication setting, the bottom fixedly connected with discharging pipe 6 of equipment barrel 1 and with lower chamber 3 intercommunication setting, still be equipped with double-layered chamber 7 in the equipment barrel 1, double-layered chamber 7 parcel upper chamber 2 and lower chamber 3, be equipped with water supply mechanism 8 on the inlet pipe 5, water supply mechanism 8 and the top surface fixed connection of equipment barrel 1 and with upper chamber 2 intercommunication setting, water supply mechanism 8 includes fixed cover locates the first hollow tube 21 outside inlet pipe 5 and discharging pipe 6, double-layered chamber 7 and the first hollow tube 21 intercommunication setting, double-layered intracavity 22 intussuseption is filled with heating fluid and extends to in the first hollow tube 21, fixedly connected with electric heater in double-layered chamber 22, electric heater carries out the rapid heating to heating fluid in electric heater, follow this time, come to heat or keep warm to pitch in inlet pipe 5 and the discharging pipe 6 and the water in the second water pipe 26 through two first hollow tubes 21.

Still be equipped with drainage mechanism 23 on the first hollow tube 21, drainage mechanism 23 and the top surface fixed connection of equipment barrel 1 and with last cavity 2 intercommunication setting, drainage mechanism 23 is including the second hollow tube 24 of parcel outside first hollow tube 21, first water pipe 25 and the second water pipe 26 that fixedly connected with is linked together with it on the second hollow tube 24, first water pipe 25 is connected with outside water supply equipment and is used for supplying with rivers, the one end fixedly connected with intake pipe 27 of second water pipe 26, intake pipe 27 and the top surface fixed connection of equipment barrel 1 and with last cavity 2 intercommunication setting, intake pipe 27 and second water pipe 26 connecting portion are equipped with the delivery port and the matched with piece 22 of opening and shutting with it.

Fixedly connected with air pump 29 of port department of intake pipe 27, still be equipped with many in the intake pipe 27 and separate the net, the second spout 30 of delivery port is located including the ring to opening and shutting piece 22, sliding connection has polylith second slider 31 in the second spout 30, fixedly connected with rolling disc 32 on the second slider 31, rolling disc 32 is equipped with through-hole 33 and choke plate 34, through-hole 33 and choke plate 34 are the setting of 90 degrees angles, airflow impact choke plate 34, choke plate 34 atress begins to drive rolling disc 32 and rotates, compression spring simultaneously, rolling disc 32 rotates and makes through-hole 33 and second water pipe 26 begin to communicate, the rivers after heating that high velocity air drove second water pipe 26 to gush out with separate the net violent collision and make rivers atomize fast, rolling disc 32 resets and closes second water pipe 26 under the effect of spring when air pump 29 stops.

The side wall of the equipment cylinder body 1 is externally connected with a driving mechanism 9 used for being matched with the foaming mechanism 4, the driving mechanism 9 comprises a driving motor 35 fixedly connected to the outer side wall of the equipment cylinder body 1, a gear 36 is coaxially and fixedly connected to the driving shaft of the driving motor 35, a gear 27 is meshed with a gear ring 36 through an opening, the driving motor 35 and the gear 36 are covered with a same protective cover 28, the gear 27 drives the conical cylinder 10 to rotate at a high speed through the gear ring 36, the conical cylinder 10 further drives the suction impeller 12 to rotate to discharge foaming asphalt, an embedded cavity 37 is formed in the conical cylinder 10, a plurality of air holes 38 which are communicated with the inside and the outside are further formed in the surface of the conical cylinder 10, the inner wall of each air hole 38 is partially communicated with the embedded cavity 37, the top of the conical cylinder 10 is rotatably connected with a hose 39 communicated with the embedded cavity 37, one end of the hose 39 penetrates, the foaming agent is through inlaying the chamber 37 and evenly combining with the pitch water vapor mixture tiny particle that carries to a cone 10 to through secondary stirring and lengthy pipeline carry out better foaming operation, compare in traditional integral type mix and add, have better directional throwing nature, make pitch in the unit volume and foaming agent itself obtain more abundant mixture, also reduced the quantity of foaming agent, the environmental protection is high-efficient.

When the invention is used, an operator firstly starts the electric heater, the electric heater quickly heats heating liquid in the electric heater, then heats or preserves the temperature of asphalt in the feeding pipe 5 and the discharging pipe 6 and water in the second water pipe 26 through the two first hollow pipes 21, then conveys the heated asphalt to the upper chamber 2 through the feeding pipe 5, simultaneously the air pump 29 is started, along with the gradual reaching of the power of the air pump 29 to a set value, namely under the condition of enough wind power, the air flow impacts the choke plate 34, the choke plate 34 is stressed to start driving the rotating disc 32 to rotate, simultaneously the spring is compressed, the rotating disc 32 rotates to enable the through hole 33 to be communicated with the second water pipe 26, the high-speed air flow drives the heated water flow gushing out from the second water pipe 26 to violently collide with the separation net to enable the water flow to be quickly atomized, and the atomized water flow carries air to be mixed with high-temperature asphalt in the upper chamber 2, and the asphalt is stirred and mixed by a high-speed rotating blade plate 17 to form foamed asphalt, and the foamed asphalt enters the lower chamber 3 through a receiving port 14 on the supporting ring 13 under the action of a rotating suction impeller 12 and is discharged for use through a discharge pipe 6.

Although the terms of the equipment cylinder 1, the upper chamber 2, the lower chamber 3, the foaming mechanism 4, the feeding pipe 5, the discharging pipe 6, the clamping chamber 7, the water supply mechanism 8, the driving mechanism 9, the tapered cylinder 10, the connecting shaft 11, the suction impeller 12, the support ring 13, the receiving opening 14, the rotating member 15, the ring 16, the vane 17, the first slide groove 18, the first slide block 19, the toothed ring 20, the first hollow pipe 21, the opening member 22, the water discharging mechanism 23, the second hollow pipe 24, the first water pipe 25, the second water pipe 26, the air inlet pipe 27, the protective cover 28, the air pump 29, the second slide groove 30, the second slide block 31, the rotating disk 32, the through hole 33, the wind blocking plate 34, the driving motor 35, the gear 36, the embedding chamber 37, the air hole 38, the hose 39, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides an asphalt foaming device, includes equipment barrel (1) and the many pillars of fixed connection in its bottom, its characterized in that, be equipped with cavity (2) and cavity of resorption (3) in equipment barrel (1), go up and be equipped with foaming mechanism (4) and make its lower extreme extend to cavity of resorption (3) in cavity of resorption (2), the top surface fixedly connected with inlet pipe (5) of equipment barrel (1), inlet pipe (5) and last cavity (2) intercommunication set up, the bottom fixedly connected with discharging pipe (6) of equipment barrel (1) and with cavity of resorption (3) intercommunication set up, still be equipped with double-layered chamber (7) in equipment barrel (1), be equipped with water supply mechanism (8) on inlet pipe (5), water supply mechanism (8) and the top surface fixed connection of equipment barrel (1) and with cavity of resorption (2) intercommunication set up, water supply mechanism (8) and double-layered chamber (7) intercommunication set up, the side wall of the equipment cylinder body (1) is externally connected with a driving mechanism (9) used for being matched with the foaming mechanism (4).

2. An asphalt foaming device according to claim 1, wherein the foaming mechanism (4) comprises a conical barrel (10) arranged in the upper chamber (2), the conical cylinder (10) is hollow, the inner top surface of the conical cylinder (10) is coaxially and fixedly connected with a connecting shaft (11), the lower end of the connecting shaft (11) extends into the lower chamber (3), a plurality of groups of suction impellers (12) are fixedly connected to the rod wall of the connecting shaft (11), the upper chamber (2) and the lower chamber (3) are communicated through a connecting port, a support ring (13) is fixedly covered on the connecting port, a plurality of material receiving ports (14) are arranged on the support ring (13), the support ring (13) is rotationally connected with the conical cylinder (10), a rotating part (15) is arranged on the surface of the conical cylinder (10), and the rotating part (15) is in transmission connection with the driving mechanism (9).

3. Asphalt foaming device according to claim 2, wherein the rotating member (15) comprises a plurality of rings (16) coaxially arranged outside the conical drum (10), a plurality of blades (17) are fixedly connected on the inner wall of the ring (16), the blades (17) are fixedly connected with the side wall of the conical barrel (10), a plurality of first sliding grooves (18) are arranged on the inner wall of the upper cavity (2), a plurality of first sliding blocks (19) are connected in the first sliding grooves (18) in a sliding manner, the first sliding block (19) is fixedly connected with the ring (16), the inner wall of the upper chamber (2) is also provided with an embedding opening, the rabbet is connected with one of the ring rings (16) in a sliding way, the ring (16) in the rabbet is also coaxially provided with a toothed ring (20), the rabbet is provided with an opening with the outside of the equipment barrel (1), and the gear ring (20) is in transmission connection with the driving mechanism (9) through the opening.

4. The asphalt foaming device according to claim 1, wherein the water supply mechanism (8) comprises a first hollow pipe (21) fixedly sleeved outside the feeding pipe (5) and the discharging pipe (6), the first hollow pipe (21) is communicated with the clamping cavity (7), the clamping cavity (7) is filled with heating liquid and extends into the first hollow pipe (21), the clamping cavity (7) is internally and fixedly connected with an electric heater, the first hollow pipe (21) is further provided with a drainage mechanism (23), and the drainage mechanism (23) is fixedly connected with the top surface of the equipment cylinder (1) and is communicated with the upper chamber (2).

5. The asphalt foaming device according to claim 4, wherein the drainage mechanism (23) comprises a second hollow pipe (24) wrapped outside the first hollow pipe (21), the second hollow pipe (24) is fixedly connected with a first water pipe (25) and a second water pipe (26) communicated with the first hollow pipe, the first water pipe (25) is connected with an external water supply device, one end of the second water pipe (26) is fixedly connected with an air inlet pipe (27), the air inlet pipe (27) is fixedly connected with the top surface of the device cylinder body (1) and communicated with the upper chamber (2), a water outlet and an opening and closing member (22) matched with the water outlet are arranged at the connection part of the air inlet pipe (27) and the second water pipe (26), an air pump (29) is fixedly connected at the port of the air inlet pipe (27), and a plurality of screens are further arranged in the air inlet pipe (27).

6. The asphalt foaming device according to claim 5, wherein the opening and closing member (22) comprises a second chute (30) annularly arranged at the water outlet, a second sliding block (31) is slidably connected in the second chute (30), a spring is connected between the second sliding block (31) and the second chute (30), a rotating disc (32) is fixedly connected on the second sliding block (31), the rotating disc (32) is provided with a through hole (33) and a choke plate (34), and the through hole (33) and the choke plate (34) are arranged at an angle of 90 degrees.

7. An asphalt foaming device according to claim 3, wherein the driving mechanism (9) comprises a driving motor (35) fixedly connected to the outer side wall of the equipment cylinder (1), a gear (36) is coaxially and fixedly connected to the driving shaft of the driving motor (35), the gear (36) is meshed with the gear ring (36) through the opening, and the driving motor (35) and the gear (36) are covered by the same protective cover (28).

8. The asphalt foaming device according to claim 2, wherein the conical barrel (10) is internally provided with an embedded cavity (37), the surface of the conical barrel (10) is further provided with a plurality of air holes (38) which are communicated with the inside and the outside, the inner walls of the air holes (38) are partially communicated with the embedded cavity (37), the top of the conical barrel (10) is rotatably connected with a hose (39) communicated with the embedded cavity (37), and one end of the hose (39) penetrates through the equipment barrel body (1) and is connected with external supply equipment.

9. The asphalt foaming device according to claim 1, wherein the asphalt foaming device works on the principle that:

1) preheating operation, wherein an operator starts an electric heater firstly, the electric heater rapidly heats heating liquid in the electric heater, then asphalt in a feeding pipe (5) and a discharging pipe (6) and water in a second water pipe (26) are heated or insulated through two first hollow pipes (21), then the heated asphalt is conveyed into an upper cavity (2) through the feeding pipe (5), and meanwhile, an air pump (29) is started;

2) mixing and foaming, wherein when the power of the air pump (29) gradually reaches a set value, namely the wind power is enough, the air flow impacts the choke plate (34), the choke plate (34) is stressed to start driving the rotating disc (32) to rotate, meanwhile, the spring is compressed, the rotating disc (32) rotates to enable the through hole (33) to be communicated with the second water pipe (26), the high-speed air flow drives the heated water flow gushing out from the second water pipe (26) to violently collide with the partition net to enable the water flow to be rapidly atomized, the atomized water flow carries air to be mixed with high-temperature asphalt in the upper chamber (2), and the air and the high-temperature asphalt are stirred and mixed through the high-speed rotating blade plate (17) to form foamed asphalt;

3) and discharging the finished product, wherein the foamed asphalt enters the lower cavity (3) through a material receiving port (14) on the support ring (13) under the action of a rotating suction impeller (12) and is discharged for use through a discharge pipe (6).