Asphalt foaming device and asphalt foaming method

Abstract

The present application relates to the technical field of asphalt foaming equipment, and discloses an asphalt foaming device and an asphalt foaming method, which comprise a tank body, the bottom of the tank body is provided with a supporting portion, the bottom of the tank body is provided with an asphalt outlet, the top of the tank body is provided with an asphalt inlet, a water inlet and a gas inlet, the asphalt inlet is communicated with a telescopic asphalt pipe arranged in the tank body, the water inlet is communicated with a telescopic water pipe, the gas inlet is connected with a telescopic gas pipe, the inside of the tank body is provided with a moving foaming mechanism, the telescopic asphalt pipe, the telescopic water pipe and the telescopic gas pipe are all communicated with the moving foaming mechanism, further comprising a guiding turbulence mechanism arranged in the tank body and matched with the moving foaming mechanism, and further comprising a driving mechanism for driving the moving foaming mechanism to move up and down. The present application has the beneficial effect that: the foaming does not need to wait for the completion of the asphalt injection, in this process, the foaming of the expanded asphalt can also mix the asphalt entering later, and the water injection amount can be accurately controlled, so that the foaming effect is better.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of asphalt foaming equipment, and in particular to an asphalt foaming device and an asphalt foaming method. BACKGROUND

[0002] The foam asphalt technology is to use hot asphalt to meet a certain proportion of cold water, and the volume of asphalt expands rapidly by 10 to 20 times, reaches vaporization, and forms a large amount of asphalt foam. The viscosity of the expanded and atomized foam asphalt is reduced, and the surface area is greatly increased, so as to fully wrap the aggregates such as stones in the paving asphalt mixture, and form a colloidal substance to bond these granular asphalt materials together. Compared with the traditional method of heating asphalt into a liquid state and then wrapping the asphalt mixture, the adhesion of the asphalt mixture is greatly improved, so as to improve the bearing capacity of the asphalt pavement and effectively prevent the pavement from cracking.

[0003] The existing asphalt foaming device generally includes a tank body, and after the heated asphalt is introduced into the tank body, water is added for foaming. However, this foaming method causes the bottom asphalt to be not fully foamed, thereby resulting in low overall foaming quality. SUMMARY

[0004] The main inventive concept of the present application is as follows: the asphalt is foamed continuously after entering the tank body, and the foaming process does not need to wait for the completion of the asphalt injection before foaming. In this process, the expanded asphalt that is foamed first can mix with the asphalt that enters later, and the water injection amount can be accurately controlled, so that the foaming effect is better.

[0005] Therefore, the present application provides an asphalt foaming device in the first aspect, which comprises a tank body, a support portion is arranged at the bottom of the tank body, an asphalt outlet is arranged at the bottom of the tank body, an asphalt inlet, a water inlet and an air inlet are arranged at the top of the tank body, the asphalt inlet is communicated with an extendable asphalt pipe arranged in the tank body, the water inlet is communicated with an extendable water pipe, the air inlet is connected with an extendable air pipe, a moving foaming mechanism is arranged in the tank body, the extendable asphalt pipe, the extendable water pipe and the extendable air pipe are communicated with the moving foaming mechanism, a guide turbulence mechanism is arranged in the tank body and cooperates with the moving foaming mechanism, and a driving mechanism is arranged to drive the moving foaming mechanism to move up and down.

[0006] By adopting the technical scheme, the heated asphalt can be injected to the mobile foaming mechanism through the telescopic asphalt pipe, the high-pressure clean water can be injected to the mobile foaming mechanism through the telescopic water pipe and the telescopic gas pipe to foam the asphalt, the mobile foaming mechanism can be driven to move up and down by the driving mechanism, when the foaming starts, the mobile foaming mechanism is at the bottom of the tank body, and the asphalt is continuously foamed by gradually rising, meanwhile, the mobile track of the mobile foaming mechanism can be limited by the guide spoiler mechanism, the asphalt in the telescopic asphalt pipe can be disturbed, and the asphalt at the bottom of the tank body can also be disturbed, and the foamed asphalt is discharged from the asphalt outlet at the bottom of the tank body for use.

[0007] Optionally, the mobile foaming mechanism comprises a conical cover arranged at the lower part of the telescopic asphalt pipe, a spoiler assembly arranged in the conical cover, and a water distribution assembly arranged on the conical cover.

[0008] By adopting the technical scheme, the heated asphalt can be injected to the mobile foaming mechanism through the telescopic asphalt pipe, the high-pressure clean water can be injected to the mobile foaming mechanism through the telescopic water pipe and the telescopic gas pipe to foam the asphalt, the mobile foaming mechanism can be driven to move up and down by the driving mechanism, when the foaming starts, the mobile foaming mechanism is at the bottom of the tank body, and the asphalt is continuously foamed by gradually rising, meanwhile, the mobile track of the mobile foaming mechanism can be limited by the guide spoiler mechanism, the asphalt in the telescopic asphalt pipe can be disturbed, and the asphalt at the bottom of the tank body can also be disturbed, and the foamed asphalt is discharged from the asphalt outlet at the bottom of the tank body for use.

[0009] Optionally, the small-diameter end of the conical cover is communicated with the telescopic asphalt pipe, and the spoiler assembly comprises a conical cylinder arranged in the conical cover through a connecting rod.

[0010] Optionally, the small-diameter end of the conical cylinder faces the small-diameter end of the conical cover, and a spoiler passage is arranged between the conical cylinder and the inner wall of the conical cover.

[0011] By adopting the technical scheme, the asphalt can be dispersed in the spoiler passage between the conical cylinder and the conical cover after passing through the telescopic asphalt pipe, and can be fully mixed with water for foaming.

[0012] Optionally, a plurality of cyclone plates are arranged on the outer wall of the conical cylinder.

[0013] By adopting the technical scheme, the asphalt can form a cyclone by arranging the cyclone plates, so that the asphalt can be better mixed with water.

[0014] Optionally, the water distribution assembly comprises a temporary storage cavity arranged on the outer wall of the conical cover, the temporary storage cavity is fixedly connected with the conical cover, the temporary storage cavity is communicated with a water distribution disc arranged at the lower end of the conical cover through a plurality of connecting pipes, a plurality of atomizing water holes are arranged on the water distribution disc, the telescopic water pipe and the telescopic gas pipe are communicated with the temporary storage cavity, and the temporary storage cavity is connected with the driving mechanism.

[0015] By adopting the technical scheme, the water can be pressurized by the high-pressure gas in the telescopic gas pipe after entering the temporary storage cavity, and then distributed by the water distribution disc, sprayed out of the atomizing water holes, and fully mixed with the asphalt for foaming.

[0016] Optionally, the connecting pipe is provided with a plurality of outwardly inclined water spraying heads in the turbulence channel.

[0017] By adopting the above technical scheme: the water spraying heads can pre-mix part of the water and the asphalt, and the mixture is mixed by the cyclone, and then fully mixed by the atomized water.

[0018] Optionally, the driving mechanism comprises a telescopic power member arranged at the top of the tank body, and a telescopic rod of the telescopic power member is fixedly connected with the temporary storage cavity.

[0019] By adopting the above technical scheme: the telescopic rod can gradually drive the temporary storage cavity to rise, so as to drive the conical cover and the like to rise along with the liquid level of the foamed asphalt, and the asphalt at the liquid level is foamed.

[0020] Optionally, the guiding turbulence mechanism comprises a driving motor arranged at the bottom of the tank body, a rotating shaft of the driving motor is connected with a guiding mounting rod, the guiding mounting rod is arranged in the water distribution disc, the conical cylinder body, the conical cover and the telescopic asphalt pipe, a turbulence component is arranged at the bottom of the guiding mounting rod, and a mixing component is arranged on the guiding mounting rod.

[0021] By adopting the above technical scheme: the driving motor can drive the guiding mounting rod to rotate, so as to drive the turbulence component to act on the asphalt at the bottom of the tank body, and drive the mixing component to mix the asphalt in the telescopic asphalt pipe and further mix the foamed asphalt in the tank body, thereby improving the foaming effect.

[0022] Optionally, the turbulence component comprises a turbulence sheet arranged on the guiding mounting rod.

[0023] By adopting the above technical scheme: the turbulence sheet can drive the asphalt at the bottom of the tank body to flow turbulently under the driving of the guiding mounting rod, so that the foaming is more sufficient.

[0024] Optionally, the mixing component comprises a helical sheet arranged on the guiding mounting rod, and an outer diameter of the helical sheet is less than or equal to an inner diameter of the conical cylinder body and the conical cover.

[0025] By adopting the above technical scheme: the helical sheet can mix the asphalt in the telescopic asphalt pipe by cyclone, and can further disturb the flow of the foaming asphalt when the helical sheet leaks out of the conical cylinder body, thereby further improving the foaming effect.

[0026] The second aspect of the present application provides a method for foaming asphalt by using the asphalt foaming device, comprising the following steps:

[0027] In the initial state, the driving mechanism pushes the mobile foaming mechanism to the lower part of the tank body, gradually injects the heated asphalt into the tank body through the telescopic asphalt pipe, injects clean water into the mobile foaming mechanism through the telescopic water pipe, and injects high-pressure gas into the mobile foaming mechanism through the telescopic gas pipe to pressurize the clean water, the driving mechanism can gradually drive the mobile foaming mechanism to move upwards, and the mobile foaming mechanism cooperates with the guide flow disturbance mechanism to foam the asphalt layer by layer.

[0028] The working principle and beneficial effects of the present application are as follows:

[0029] 1、In the present application, the telescopic asphalt pipe can inject heated asphalt into the mobile foaming mechanism, the telescopic water pipe and the telescopic gas pipe can inject high-pressure clean water into the mobile foaming mechanism to foam the asphalt, and the driving mechanism can drive the mobile foaming mechanism to move up and down, when the foaming starts, the mobile foaming mechanism is at the bottom of the tank body, and the asphalt is continuously foamed by gradually rising, and the guide flow disturbance mechanism can limit the movement track of the mobile foaming mechanism, and also disturb the asphalt in the telescopic asphalt pipe and the asphalt at the bottom of the tank body, and the foamed asphalt is discharged from the asphalt outlet at the bottom of the tank body for use.

[0030] 2、The asphalt passes through the telescopic asphalt pipe and reaches the flow disturbance channel between the conical cylinder and the conical cover for dispersion, can be fully mixed with water for foaming, the rotation of the asphalt can be formed by setting the cyclone piece, so that the water can be mixed better, the water enters the temporary storage cavity, and the high-pressure gas in the telescopic gas pipe can be pressurized, then distributed by the water distribution disc, and sprayed out of the atomizing water hole to mix with the asphalt for foaming.

[0031] 3、The driving motor in the present application can drive the guide mounting rod to rotate, so as to drive the flow component to act on the asphalt at the bottom of the tank body, drive the mixed flow component to mix the asphalt in the telescopic asphalt pipe, and further mix the foamed asphalt in the tank, thereby improving the foaming effect. BRIEF DESCRIPTION OF DRAWINGS

[0032] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0033] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application;

[0034] Figure 2 It is an enlarged structural schematic diagram of the mobile foaming mechanism of the embodiment of the present application;

[0035] Figure 3 It is a bottom view structural schematic diagram of the conical cover of the embodiment of the present application;

[0036] Figure 4 Figure 6 is a bottom view of the structure at the water diversion tray of an embodiment of the present application.

[0037] The labels of the various features in the drawings are as follows:

[0038] 100, tank body; 110, support part; 120, asphalt outlet; 130, flexible asphalt pipe; 140, flexible water pipe; 150, flexible gas pipe; 200, mobile foaming mechanism; 210, conical cover; 220, connecting rod; 230, conical cylinder; 240, turbulence passage; 250, cyclone vane; 260, temporary storage cavity; 261, connecting pipe; 262, water diversion tray; 263, water spraying head; 264, atomizing water hole; 300, guiding turbulence mechanism; 310, driving motor; 320, guiding mounting rod; 330, turbulence vane; 340, helical vane; 400, driving mechanism; 410, flexible power piece; 420, flexible rod. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without any creative effort, are involved in the protection scope of the present application.

[0040] The main inventive concept of the present application is as follows: the asphalt is foamed continuously as it enters the tank body, and the foaming is not waited until the asphalt injection is completed. In this process, the foamed asphalt expands and can mix with the asphalt entering later, and the water injection amount can be accurately controlled, so that the foaming effect is better.

[0041] Reference Signs List Figures 1-4To this end, the first aspect of the present application provides a bitumen foaming device, comprising a tank body 100, the tank body 100 is made of steel, the inner wall is provided with a corrosion-resistant layer, the bottom of the tank body 100 is provided with a support part 110, the support part 110 can be a support leg uniformly arranged on the bottom of the tank body 100, the bottom of the tank body 100 is provided with a bitumen outlet 120, the top of the tank body 100 is provided with a bitumen inlet, a water inlet and a gas inlet, the bitumen inlet, the water inlet and the gas inlet are all provided with electromagnetic valves, the tank body 100 is also provided with a gas diffuser for gas outlet, the bitumen inlet is communicated with a telescopic bitumen pipe 130 arranged inside the tank body 100, the water inlet is communicated with a telescopic water pipe 140, the gas inlet is connected with a telescopic gas pipe 150, the inside of the tank body 100 is provided with a mobile foaming mechanism 200 which can move up and down along the tank body 100, the telescopic bitumen pipe 130, the telescopic water pipe 140 and the telescopic gas pipe 150 are all communicated with the mobile foaming mechanism 200, the telescopic bitumen pipe 130, the telescopic water pipe 140 and the telescopic gas pipe 150 can all be telescopic, which is convenient for the mobile foaming mechanism 200 to move up and down, further comprising a guide turbulence mechanism 300 arranged inside the tank body 100 and cooperating with the mobile foaming mechanism 200, and a driving mechanism 400 driving the mobile foaming mechanism 200 to move up and down.

[0042] The basic principle of the embodiment is that the telescopic bitumen pipe 130 can inject heated bitumen to the mobile foaming mechanism 200, the telescopic water pipe 140 and the telescopic gas pipe 150 can inject high-pressure clean water to the mobile foaming mechanism 200 to foam the bitumen, the driving mechanism 400 can drive the mobile foaming mechanism 200 to move up and down, at the beginning of foaming, the mobile foaming mechanism 200 is at the bottom of the tank body 100, gradually rising to continuously foam the bitumen, at the same time, the guide turbulence mechanism 300 can limit the movement track of the mobile foaming mechanism 200, and can also disturb the bitumen inside the telescopic bitumen pipe 130, and can also disturb the bitumen at the bottom of the tank body 100, the foamed bitumen is discharged from the bitumen outlet 120 at the bottom of the tank body 100 for use, and the bitumen outlet 120 is provided with an electromagnetic valve.

[0043] Referring to Figure 1 and Figure 2 The mobile foaming mechanism 200 in the embodiment comprises a conical cover 210 arranged at the lower part of the telescopic bitumen pipe 130, a turbulence assembly arranged inside the conical cover 210 and a water distribution assembly arranged on the conical cover 210; the heated bitumen can diffuse in the conical cover 210 after passing through the telescopic bitumen pipe 130, and can be mixed with water in the water distribution assembly more quickly through the turbulence assembly to fully foam.

[0044] Referring to Figure 1 and Figure 2The small-diameter end of the conical cover 210 is communicated with the flexible asphalt pipe 130, and the turbulence assembly includes a conical cylinder 230 arranged inside the conical cover 210 through a connecting rod 220.

[0045] The small-diameter end of the conical cylinder 230 is directed to the small-diameter end of the conical cover 210, and a turbulence passage 240 is arranged between the conical cylinder 230 and the inner wall of the conical cover 210; after the asphalt passes through the flexible asphalt pipe 130, the asphalt is dispersed in the turbulence passage 240 between the conical cylinder 230 and the conical cover 210, and can be fully mixed with water and then foamed.

[0046] As shown in Figure 3 , a plurality of rotational flow plates 250 are arranged on the outer side wall of the conical cylinder 230; the rotational flow plates 250 can make the asphalt form rotational flow, so that the asphalt can be better mixed with water.

[0047] Referring to Figure 2 , the water distribution assembly includes a temporary storage cavity 260 arranged on the outer side wall of the conical cover 210, the temporary storage cavity 260 is fixedly connected with the conical cover 210, and the temporary storage cavity 260 is communicated with a water distribution disc 262 arranged at the lower end of the conical cover 210 through a plurality of connecting pipes 261.

[0048] As shown in Figure 4 , a plurality of atomizing water holes 264 are arranged on the water distribution disc 262, the flexible water pipe 140 and the flexible gas pipe 150 are communicated with the temporary storage cavity 260, and the temporary storage cavity 260 is connected with a driving mechanism 400; after the water enters the temporary storage cavity 260, the water can be pressurized by the high-pressure gas in the flexible gas pipe 150, and then distributed by the water distribution disc 262 and sprayed out of the atomizing water holes 264 to be fully mixed with the asphalt for foaming.

[0049] Referring to Figure 2 , a plurality of outwardly inclined water spraying heads 263 are arranged on the connecting pipes 261, and the water spraying heads 263 are located in the turbulence passage 240; the water spraying heads 263 can pre-mix part of the water and the asphalt, mix them by rotational flow, and then fully mix them by atomizing water.

[0050] Looking back Figure 1 , the driving mechanism 400 in the embodiment includes a flexible power piece 410 arranged at the top of the tank body 100, and a flexible rod 420 of the flexible power piece 410 is fixedly connected with the temporary storage cavity 260; the temporary storage cavity 260 can be gradually lifted by the flexible rod 420, so that the conical cover 210 and the like can be lifted along with the liquid level of the foamed asphalt to foam the asphalt at the liquid distribution surface.

[0051] The guiding turbulence mechanism 300 in the embodiment comprises a driving motor 310 arranged at the bottom of the tank body 100, a guiding mounting rod 320 connected with the rotating shaft of the driving motor 310, the guiding mounting rod 320 penetrating through the water distribution disc 262, the conical cylinder 230, the conical cover 210 and the telescopic asphalt pipe 130, a bottom of the guiding mounting rod 320 being provided with a overturning component, and the guiding mounting rod 320 being provided with a mixing component; the driving motor 310 can drive the guiding mounting rod 320 to rotate, so as to drive the overturning component to act on the asphalt at the bottom of the tank body 100 to overturn the asphalt, and drive the mixing component to mix the asphalt in the telescopic asphalt pipe 130 and further mix the foamed asphalt in the tank body 100 to improve the foaming effect.

[0052] The overturning component in the embodiment comprises an overturning sheet 330 arranged on the guiding mounting rod 320; the overturning sheet 330 can overturn the asphalt at the bottom of the tank body 100 under the driving of the guiding mounting rod 320, so that the foaming is more sufficient.

[0053] The mixing component in the embodiment comprises a spiral sheet 340 arranged on the guiding mounting rod 320, the outer diameter of the spiral sheet 340 being less than or equal to the inner diameter of the conical cylinder 230 and the conical cover 210; the spiral sheet 340 can mix the asphalt in the telescopic asphalt pipe 130 by rotating flow, and can further disturb the flow of the foaming asphalt after leaking out of the conical cylinder 230, so as to further improve the foaming effect.

[0054] The second aspect of the embodiment provides a method for foaming asphalt by using the asphalt foaming device, comprising the following steps:

[0055] In the initial state, the driving mechanism 400 pushes the moving foaming mechanism 200 to the lower part of the tank body, gradually injects the heated asphalt into the tank body through the telescopic asphalt pipe 130, injects the clean water into the moving foaming mechanism 200 through the telescopic water pipe 140, injects the high-pressure gas into the moving foaming mechanism 200 through the telescopic gas pipe 150 to pressurize the clean water, and the driving mechanism 400 can gradually drive the moving foaming mechanism 200 to move upwards, and the moving foaming mechanism 200 and the guiding turbulence mechanism 300 cooperate to foam the asphalt layer by layer.

[0056] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An asphalt foaming device comprising a tank body (100), the bottom of the tank body (100) is provided with a supporting part (110), the bottom of the tank body (100) is provided with an asphalt outlet (120), characterized in that, The tank body (100) top is provided with asphalt import, water inlet and gas port, the asphalt import is in communication with the retractable asphalt pipe (130) arranged inside the tank body (100), the water inlet is communicated with retractable water pipe (140), the gas port is connected with retractable gas pipe (150), the inside of the tank body (100) is provided with mobile foaming mechanism (200), the retractable asphalt pipe (130), retractable water pipe (140) and retractable gas pipe (150) are all in communication with mobile foaming mechanism (200), still include being provided with guiding turbulence mechanism (300) in the tank body (100) inside and mobile foaming mechanism (200) cooperation, still include drive mechanism (400) of driving the mobile foaming mechanism (200) up and down movement.

2. An asphalt foaming apparatus according to claim 1, wherein The mobile foaming mechanism (200) includes the cone-shaped cover (210) arranged in the lower part of the retractable asphalt pipe (130), the turbulence assembly arranged in the cone-shaped cover (210) and the water distribution assembly arranged on the cone-shaped cover (210).

3. An asphalt foaming apparatus as claimed in claim 2, wherein The small-diameter end of the cone-shaped cover (210) is communicated with the retractable asphalt pipe (130), and the turbulence assembly includes the cone cylinder (230) arranged in the cone-shaped cover (210) through the connecting rod (220).

4. An asphalt foaming apparatus as claimed in claim 3, wherein The small-diameter end of the cone cylinder (230) faces the small-diameter end of the cone-shaped cover (210), and the turbulence passage (240) is arranged between the cone cylinder (230) and the inner wall of the cone-shaped cover (210).

5. An asphalt foaming apparatus as claimed in claim 4, wherein A plurality of spiral flow plates (250) are arranged on the outer side wall of the cone cylinder (230).

6. An asphalt foaming apparatus as claimed in claim 3, wherein The water distribution assembly includes the temporary storage cavity (260) arranged on the outer side wall of the cone-shaped cover (210), and the temporary storage cavity (260) is fixedly connected with the cone-shaped cover (210). The temporary storage cavity (260) is communicated with the water distribution disc (262) arranged at the lower end of the cone-shaped cover (210) through a plurality of connecting pipes (261). A plurality of atomizing water holes (264) are arranged on the water distribution disc (262). The retractable water pipe (140) and the retractable gas pipe (150) are communicated with the temporary storage cavity (260), and the temporary storage cavity (260) is connected with the drive mechanism (400).

7. An asphalt foaming apparatus according to claim 6, wherein A plurality of outwardly inclined water spray heads (263) are arranged on the connecting pipe (261), and the water spray heads (263) are located in the turbulence passage (240).

8. An asphalt foaming apparatus as claimed in claim 6, wherein The drive mechanism (400) includes the retractable power member (410) arranged at the top of the tank body (100), and the retractable rod (420) of the retractable power member (410) is fixedly connected with the temporary storage cavity (260).

9. An asphalt foaming apparatus as claimed in claim 7, wherein The guiding turbulence mechanism (300) includes the driving motor (310) arranged at the bottom of the tank body (100), and the rotating shaft of the driving motor (310) is connected with the guiding mounting rod (320). The guiding mounting rod (320) penetrates the water distribution disc (262), the cone cylinder (230), the cone-shaped cover (210) and the retractable asphalt pipe (130). The bottom of the guiding mounting rod (320) is provided with a turbulence component, and the guiding mounting rod (320) is provided with a mixing component.

10. An asphalt foaming apparatus according to claim 9, wherein The turbulence component includes the turbulence plate (330) arranged on the guiding mounting rod (320).

11. An asphalt foaming apparatus as claimed in claim 9, wherein The mixed flow assembly includes a spiral blade (340) arranged on a guide mounting rod (320), an outer diameter of the spiral blade (340) is less than or equal to an inner diameter of the conical body (230) and the conical cover (210), and the spiral blade (340) is located in the telescopic asphalt pipe (130).

12. A method of foaming asphalt using the asphalt foaming apparatus of claim 1, characterized by, The method comprises the following steps: In an initial state, the driving mechanism (400) pushes the mobile foaming mechanism (200) to the lower part of the tank body (100), gradually injects heated asphalt into the inside of the tank body (100) through the telescopic asphalt pipe (130), injects clean water into the inside of the mobile foaming mechanism (200) through the telescopic water pipe (140), injects high-pressure gas into the inside of the mobile foaming mechanism (200) through the telescopic gas pipe (150) to pressurize the clean water, the driving mechanism (400) can gradually drive the mobile foaming mechanism (200) to move upwards, and the mobile foaming mechanism (200) cooperates with the guide spoiler mechanism (300) to perform layer-by-layer asphalt foaming.

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