Asphalt smoke treatment device for anti-crack asphalt highway construction

Abstract

The invention provides an asphalt smoke treatment device for anti-crack asphalt highway construction, which comprises a shell and a filter screen, the filter screen is of a cylindrical structure, the top of the filter screen is sealed, the filter screen is vertically arranged in the shell, and the asphalt smoke treatment device further comprises a cleaning part, a smoke outlet and a smoke outlet, the cleaning part is slidably connected with the inner top wall of the shell through a sliding part in the horizontal direction, and the cleaning part can abut against the filter screen; the abutting piece comprises an abutting plate, a spring and a fixing plate, the spring is used for resetting the abutting plate, one end of the spring is connected with the abutting plate, the other end of the spring is connected with the fixing plate, and the fixing plate is connected with the cleaning piece; the cam reciprocating assembly is arranged in the machine shell, and a cam arranged in the cam reciprocating assembly can abut against the abutting plate so that the cleaning piece can be pushed towards the filter screen and abut against the filter screen. The rotating piece is arranged in the machine shell, connected with the top of the filter screen and used for driving the filter screen to rotate. The problem of low asphalt fume treatment efficiency caused by frequent disassembly and cleaning of the filter screen can be solved.

Description

Technical Field

[0001] The invention relates to the technical field of asphalt highway construction, in particular to an asphalt smoke processing device for anti-cracking asphalt highway construction. Background Art

[0002] In asphalt highway construction, asphalt mixture is usually used. Asphalt mixture is a composite material made of asphalt (i.e. petroleum asphalt or asphalt emulsion) and mineral materials (such as gravel, sand, etc.) for paving the road surface. Asphalt mixture is heated to a certain temperature before construction to make the asphalt flow so that it can be evenly applied and cured on the road surface. However, asphalt smoke in road construction is usually the smoke generated when using asphalt mixture for paving. This smoke is formed by the release of gases and particles when the asphalt is heated to a high temperature during the construction process.

[0003] Asphalt fumes released during construction may include volatile organic compounds (VOCs), gaseous asphalt molecules and other pyrolysis products. Asphalt fumes during construction may cause certain health effects on workers and the surrounding environment, especially those who are exposed to these fumes for a long time. Therefore, in modern road construction, measures are usually taken to control and reduce the release of asphalt fumes to protect the health of workers and the public.

[0004] At present, the devices for removing particles and gases are mainly flue gas purification towers and thermal oxidizers combined with particle collectors. Flue gas purification towers are mainly suitable for asphalt concrete mixing plants and other industrial facilities that need to treat asphalt flue gas, but not for road paving. Therefore, thermal oxidizers and particle collectors are commonly used in asphalt highway construction to treat particles and gases released by asphalt. The thermal oxidizer converts organic gases (such as VOCs) into carbon dioxide and water vapor, and the fine particle collector is used to capture solid particles in asphalt flue gas, separate them from the flue gas by filtering, and then send them to the thermal oxidizer for chemical treatment.

[0005] However, since particulate matter contains grease and sticky substances, these substances are easily deposited on the filter net inside the particulate matter collector, causing the system to need to be disassembled, cleaned and maintained more frequently, thus affecting the asphalt fume treatment efficiency. Therefore, it is of great significance to design an asphalt fume treatment device for anti-cracking asphalt highway construction that does not require frequent disassembly and cleaning of the filter net and improves the equipment treatment efficiency. Summary of the invention

[0006] In view of the deficiencies in the prior art, an object of the present invention is to provide an asphalt fume treatment device for crack-resistant asphalt highway construction, which can solve the problem of low asphalt fume treatment efficiency caused by frequent disassembly and cleaning of the filter.

[0007] In order to solve the above technical problems, the implementation scheme provided by the present invention is to provide an asphalt fume treatment device for anti-cracking asphalt highway construction, comprising a housing and a filter screen, the housing is connected with an air suction pipe and an air suction pump, the filter screen is a cylindrical structure, the top of the filter screen is sealed and vertically arranged inside the housing, and also includes:

[0008] A cleaning member, wherein the cleaning member is slidably connected to the inner top wall of the housing through a sliding member in a horizontal direction, and the cleaning member can abut against the filter screen;

[0009] The abutment member comprises an abutment plate, a spring and a fixing plate, wherein the spring is used to reset the abutment plate, one end of the spring is connected to the abutment plate, and the other end of the spring is connected to the fixing plate, and the fixing plate is connected to the cleaning member;

[0010] A cam reciprocating assembly is arranged in the housing, and a cam in the cam reciprocating assembly can abut against the abutment plate, so that the cleaning member is pushed toward the filter screen and abuts against the filter screen;

[0011] The rotating member is arranged in the casing and connected with the top of the filter screen to drive the filter screen to rotate.

[0012] Preferably, an alkali liquid squeezer is also connected to the upper edge of the fixed plate in the horizontal direction, and an inlet pipe and a discharge pipe are connected to the alkali liquid squeezer, and both the inlet pipe and the discharge pipe are provided with a one-way valve, the inlet pipe is connected to the alkali liquid storage device, and the alkali liquid in the alkali liquid storage device is continuously replenished into the alkali liquid squeezer, and the discharge pipe is located above the cleaning component, and is used to discharge the alkali liquid.

[0013] Preferably, the end of the drain pipe is sealed, and an alkali solution spray nozzle is provided on the drain pipe.

[0014] Preferably, the alkali solution nozzles are respectively a first nozzle, a second nozzle and a third nozzle, the first nozzle, the second nozzle and the third nozzle are all connected to the drainage pipe, the first nozzle is arranged at the end of the drainage pipe and coincides with the water outlet direction of the drainage pipe, the second nozzle and the third nozzle are located on both sides of the first nozzle, and the angles between the second nozzle and the third nozzle and the first nozzle are 30° to 60°.

[0015] Preferably, the cleaning member includes a hollow plate and a plurality of bristles, the height of the hollow plate matches the height of the filter screen, and the plurality of bristles are evenly distributed on the hollow plate, the hollow plate is also connected to the drain pipe through a pipeline, and a plurality of fourth nozzles are provided on the hollow plate.

[0016] Preferably, the plurality of fourth nozzles and the plurality of bristles are arranged alternately.

[0017] Preferably, the abutment member includes an abutment plate, a spring, a fixed plate and a box body, the abutment plate is a T-shaped plate body, and a through slot is provided on the box body, the horizontal end of the T-shaped plate body is arranged in the box body, the vertical end of the T-shaped plate body passes through the through slot, and the protruding end is connected to the fixed plate, the fixed plate is fixedly connected to the cleaning member and the alkali liquid squeezer, the spring is sleeved on the vertical end of the T-shaped plate body located in the box body, and one end of the spring is fixed on the horizontal end of the T-shaped plate body, and one end of the spring is fixed on the inner wall of the box body, and the cam intermittently abuts against the abutment plate.

[0018] Preferably, the air outlet pipe of the casing is connected to the thermal oxidizer via an air suction pump.

[0019] Preferably, the cam reciprocating assembly includes a cam, a rotating shaft and a motor, the rotating shaft passes through the box and is rotatably connected to the box, the rotating shaft located outside the box is fixedly connected to the motor, the cam is fixed on the rotating shaft, and the cam intermittently abuts against the abutment plate.

[0020] Preferably, the alkali liquid extruder includes an extrusion cylinder, a piston and a piston push-pull plate. The extrusion cylinder is arranged above the cleaning member in the horizontal direction and is filled with alkali liquid. The piston is arranged on the piston push-pull plate, and the piston push-pull plate is arranged in the extrusion cylinder along the length direction of the cylinder. The piston push-pull plate is connected to the fixed plate, and the liquid inlet pipe and the liquid discharge pipe are respectively connected to the extrusion cylinder.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. The present invention solves the problem of low asphalt fume treatment efficiency caused by frequent disassembly and cleaning of the filter. This is because the present invention can drive the filter to rotate under the action of centrifugal force through the rotating member, and the cleaning member can intermittently approach the filter and abut on the filter under the push of the cam, which is used to clean the particles that block the filter in time without affecting the filtering and intercepting of particles by the filter, thereby improving the low asphalt fume treatment efficiency, and does not need to frequently disassemble and clean the filter, thereby avoiding the problem of low asphalt fume treatment efficiency.

[0023] 2. The present invention also provides an alkali liquid extruder, which improves the low efficiency of asphalt fume treatment by cooperating with a cleaning component. This is because the alkali liquid discharged by the alkali liquid extruder can not only react chemically with grease to remove grease from particles and reduce the probability of filter clogging, but also the alkaline solution delivered at high pressure can quickly peel off the grease particles from the filter and destroy the surface tension between the grease particles and the mesh surface, thereby further reducing the problem of low asphalt fume treatment efficiency caused by frequent disassembly and cleaning of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1The structure of the asphalt fume treatment device for anti-cracking asphalt highway construction of the present invention is shown in FIG. Figure 1 .

[0025] Figure 2 The structure of the asphalt fume treatment device for anti-cracking asphalt highway construction of the present invention is shown in FIG. Figure 2 .

[0026] Figure 3 The present invention is a connection diagram of a thermal oxidizer, a cleaning member, a cam reciprocating assembly, an alkali liquid squeezer and a thermal oxidizer of an asphalt smoke treatment device for anti-cracking asphalt highway construction.

[0027] Figure 4 The present invention is a diagram showing the connection relationship between an alkali solution nozzle and a drain pipe of an asphalt fume treatment device for anti-cracking asphalt highway construction.

[0028] Figure 5 The present invention is a schematic diagram of a cleaning component of an asphalt fume treatment device for anti-cracking asphalt highway construction.

[0029] Description of reference numerals:

[0030] 1. Casing, 2. Filter, 3. Thermal oxidizer, 4. Cleaning part, 41. Hollow plate, 42. Bristles, 43. Fourth nozzle, 5. Abutment, 51. Abutment plate, 52. Spring, 53. Fixed plate, 54. Box, 6. Cam reciprocating assembly, 61. Cam, 62. Rotating shaft, 7. Rotating part, 8. Alkali liquid extruder, 81. Liquid inlet pipe, 82. Liquid discharge pipe, 83. Extrusion cylinder, 84. Piston, 85. Piston push-pull plate, 9. Alkali liquid nozzle, 91. First nozzle, 92. Second nozzle, 93. Third nozzle, 10. Suction pipe, 11. Suction pump. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned purposes, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] The inventors have found that particulate matter contains grease, which has a certain degree of adhesion, especially good adhesion to the surface of certain materials. When the surface of particulate matter contains grease, they will more easily adhere to the fibers or mesh of the filter, because the grease can produce a strong adsorption force with the surface of the grid structure, so that the particulate matter is tightly attached to the mesh surface. In addition, the grease can form a thin film on the surface of the particulate matter, increasing its surface tension. This makes it easier for the particulate matter to contact the mesh surface when passing through the filter, and therefore easier to be captured by the mesh or fiber. Moreover, the particulate matter containing grease may combine with other particulate matter or dust and other substances on the filter to form larger aggregates. These aggregates are more likely to block the pores of the filter, thereby affecting the filtration efficiency.

[0033] In view of this, the present invention provides an asphalt fume treatment device for anti-cracking asphalt highway construction, in which the rotating part drives the filter to rotate under the action of centrifugal force, and the cleaning part can intermittently approach the filter and abut against the filter under the push of the cam, so as to clean the particles that block the filter in time without affecting the filtering and retaining of particles by the filter, thereby improving the asphalt fume treatment efficiency.

[0034] like Figure 1 to Figure 5 As shown, the present invention provides an asphalt smoke treatment device for anti-cracking asphalt highway construction, comprising a housing 1 and a filter 2, the housing 1 is connected with an air intake pipe 10 and an air intake pump 11, the filter 2 is a cylindrical structure, the top of the filter 2 is sealed and vertically arranged inside the housing 1, and also includes: a cleaning member 4, an abutment member 5, a cam reciprocating assembly 6 and a rotating member 7, wherein:

[0035] The cleaning member 4 is slidably connected to the inner top wall of the housing 1 in a horizontal direction through a sliding member, and the cleaning member 4 can abut against the filter screen 2;

[0036] The abutting member 5 includes an abutting plate 51, a spring 52 and a fixing plate 53. The spring 52 is used to reset the abutting plate 51. One end of the spring 52 is connected to the abutting plate 51, and the other end of the spring 52 is connected to the fixing plate 53. The fixing plate 53 is connected to the cleaning member 4.

[0037] The cam reciprocating assembly 6 is disposed in the housing 1, and the cam 61 in the cam reciprocating assembly 6 can abut against the abutment plate 51, so that the cleaning member 4 is pushed toward the filter screen 2 and abuts against the filter screen 2;

[0038] The rotating member 7 is disposed in the housing 1 and connected to the top of the filter screen 2 to drive the filter screen 2 to rotate.

[0039] Working principle: The rotating member 7 drives the filter 2 to rotate under the action of centrifugal force, and the cleaning member 4 can intermittently approach the filter 2 and abut against the filter 2 under the push of the cam, so as to timely clean the particles blocking the filter without affecting the filtration and retention of particles by the filter 2, thereby improving the asphalt fume treatment efficiency. There is no need to disassemble the filter 2.

[0040] Specifically, an alkali liquid squeezer 8 is also connected to the fixed plate 53 in the horizontal direction, and an inlet pipe 81 and a discharge pipe 82 are connected to the alkali liquid squeezer 8. Both the inlet pipe 81 and the discharge pipe 82 are provided with a one-way valve. The inlet pipe 81 is connected to the alkali liquid storage device, and the alkali liquid in the alkali liquid storage device is continuously replenished into the alkali liquid squeezer 8. The discharge pipe 82 is located above the cleaning component 4 and is used to discharge the alkali liquid.

[0041] Designing an alkali liquid squeezer 8 on the fixed plate 53 can further ensure the cleaning effect. This is because the alkali liquid can not only react chemically with the grease to remove the grease on the particles and reduce the probability of clogging the filter, but also the alkaline solution delivered at high pressure can quickly peel off the grease particles from the filter and destroy the surface tension between the grease particles and the mesh surface, thereby further reducing the problem of low asphalt fume treatment efficiency caused by frequent disassembly and cleaning of the filter.

[0042] Specifically, the end of the drain pipe 82 is sealed, and an alkali solution spray head 9 is provided on the drain pipe 82 .

[0043] The alkali solution nozzle 9 is designed to increase the liquid discharge speed and can instantly reduce the adsorption force between impurities and the filter screen.

[0044] Specifically, the alkali solution nozzles 9 are respectively a first nozzle 91, a second nozzle 92 and a third nozzle 93, the first nozzle 91, the second nozzle 92 and the third nozzle 93 are all connected to the drain pipe 82, the first nozzle 91 is arranged at the end of the drain pipe 82 and coincides with the water outlet direction of the drain pipe 82, the second nozzle 92 and the third nozzle 93 are located on both sides of the first nozzle 91, and the angles between the second nozzle 92 and the third nozzle 93 and the first nozzle 91 are 30° to 60°.

[0045] The design of the nozzle can reduce the adsorption force between impurities and the filter, and the angle design of the first nozzle 91, the second nozzle 92 and the third nozzle 93 is conducive to spraying the filter at various locations to improve the cleaning efficiency.

[0046] Specifically, the cleaning member 4 includes a hollow plate 41 and a plurality of bristles 42. The height of the hollow plate 41 matches the height of the filter screen 2, and the plurality of bristles 42 are evenly distributed on the hollow plate 41. The hollow plate 41 is also connected to the drain pipe 82 through a pipeline, and a plurality of fourth nozzles 43 are provided on the hollow plate 41.

[0047] Specifically, the plurality of fourth nozzles 43 and the plurality of bristles 41 are arranged alternately.

[0048] The purpose of staggered arrangement of multiple fourth nozzles 43 and multiple bristles 41 is to reduce the adsorption force between impurities and the filter by using the fourth nozzles 43 to spray the filter, so that cleaning is more thorough. Multiple fourth nozzles 43 and multiple bristles 41 are staggered to avoid cleaning dead corners.

[0049] Specifically, the specific structure of the abutment is given, the abutment 5 includes an abutment plate 51, a spring 52, a fixed plate 53 and a box body 54, the abutment plate 51 is a T-shaped plate body, and a through groove is opened on the box body 54, the horizontal end of the T-shaped plate body is arranged in the box body 54, the vertical end of the T-shaped plate body passes through the through groove, and the protruding end is connected to the fixed plate 53, the fixed plate 53 is fixedly connected to the cleaning member 4 and the alkali liquid squeezer 8, the spring 52 is sleeved on the vertical end of the T-shaped plate body located in the box body 54, and one end of the spring 52 is fixed on the horizontal end of the T-shaped plate body, and one end of the spring 52 is fixed on the inner wall of the box body 54, and the cam 61 intermittently abuts against the abutment plate 51.

[0050] Designing the abutment member 5 to have this structure can ensure the stability of the intermittent movement of the cleaning member 4 and the alkali liquid squeezer 8, and can also ensure the continuity of the operation of the cleaning member 4 and the alkali liquid squeezer 8.

[0051] Specifically, the air outlet pipe of the housing 1 is connected to the thermal oxidizer 3 through the air suction pump 11 .

[0052] The purpose of connecting the exhaust pipe of the casing 1 to the thermal oxidizer 3 via the suction pump 11 is to send the gas with impurities filtered out into the thermal oxidizer 3 for further processing to remove organic matter in the exhaust gas.

[0053] Specifically, the specific structure of the cam reciprocating assembly 6 is given. The cam reciprocating assembly 6 includes a cam 61, a rotating shaft 62 and a motor. The rotating shaft 62 passes through the box body 54 and is rotatably connected to the box body 54. The rotating shaft 62 located outside the box body 54 is fixedly connected to the motor. The cam 61 is fixed on the rotating shaft 62, and the cam 61 intermittently abuts against the abutment plate 51.

[0054] When in use, the motor is started, and the motor rotation drives the rotating shaft 62 to rotate, thereby causing the cam 61 fixed on the rotating shaft 62 to rotate. Since the cam 61 intermittently abuts against the abutment plate 51, the cam 61 can intermittently push the cleaning member 4 and the alkali liquid squeezer 8 connected to the abutment plate 51, so as to intermittently clean the filter.

[0055] Specifically, the specific structure of the alkali liquid extruder 8 is given. The alkali liquid extruder 8 includes an extrusion cylinder 83, a piston 84 and a piston push-pull plate 85. The extrusion cylinder 83 is arranged above the cleaning member 4 in the horizontal direction, and the extrusion cylinder 83 is filled with alkali liquid. The piston 84 is arranged on the piston push-pull plate 85, and the piston push-pull plate 85 is arranged in the extrusion cylinder 83 along the length direction of the cylinder. The piston push-pull rod 41 is connected to the fixed plate 34, and the liquid inlet pipe 81 and the liquid discharge pipe 82 are respectively connected to the extrusion cylinder 83.

[0056] When in use, by pushing the piston push-pull plate 85, the piston 84 connected to the piston push-pull plate 85 is driven to move toward the direction of the discharge pipe 82 close to the extrusion cylinder 83, thereby sending out the extrusion cylinder 83. After the alkali solution is sent out, the volume of the liquid in the extrusion cylinder 83 becomes smaller, and the piston push-pull plate 85 is connected to the fixed plate 34, so the piston push-pull plate 85 will be reset under the action of the spring 52, thereby driving the piston 84 to move in the direction of the discharge pipe 82 away from the extrusion cylinder 83, thereby reducing the pressure in the extrusion cylinder 83. At this time, the alkali solution storage device connected to the liquid inlet pipe 81 will continue to replenish the extrusion cylinder 83 with liquid.

[0057] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An asphalt fume treatment device for crack-resistant asphalt highway construction, comprising a housing (1) and a filter (2), wherein the housing (1) is connected to an air intake pipe (10) and an air intake pump (11), characterized in that: The filter screen (2) is cylindrical, has a sealed top and is vertically arranged inside the casing (1), and further comprises: A cleaning member (4), wherein the cleaning member (4) is slidably connected to the inner top wall of the housing (1) in a horizontal direction via a sliding member, and the cleaning member (4) is capable of abutting against the filter screen (2); The abutment member (5) comprises an abutment plate (51), a spring (52) and a fixing plate (53), wherein the spring (52) is used to reset the abutment plate (51), one end of the spring (52) is connected to the abutment plate (51), and the other end of the spring (52) is connected to the fixing plate (53), and the fixing plate (53) is connected to the cleaning member (4); A cam reciprocating assembly (6) is disposed in the housing (1), and a cam (61) in the cam reciprocating assembly (6) is capable of abutting against the abutment plate (51) so that the cleaning member (4) is pushed toward the filter screen (2) and abuts against the filter screen (2); The rotating member (7) is arranged in the casing (1) and connected to the top of the filter screen (2) to drive the filter screen (2) to rotate.

2. The asphalt fume treatment device for anti-cracking asphalt highway construction according to claim 1 is characterized in that: The fixed plate (53) is also connected to a alkali liquid squeezer (8) in the horizontal direction. The alkali liquid squeezer (8) is connected to a liquid inlet pipe (81) and a liquid discharge pipe (82). Both the liquid inlet pipe (81) and the liquid discharge pipe (82) are provided with a one-way valve. The liquid inlet pipe (81) is connected to a alkali liquid storage device and continuously replenishes the alkali liquid in the alkali liquid storage device into the alkali liquid squeezer (8). The liquid discharge pipe (82) is located above the cleaning member (4) and is used to discharge the alkali liquid.

3. The asphalt fume treatment device for anti-cracking asphalt highway construction according to claim 2 is characterized in that: The end of the liquid discharge pipe (82) is sealed, and an alkali solution spray head (9) is provided on the liquid discharge pipe (82).

4. The asphalt fume treatment device for anti-cracking asphalt highway construction according to claim 3 is characterized in that: The alkali solution spray heads (9) are respectively a first spray head (91), a second spray head (92) and a third spray head (93); the first spray head (91), the second spray head (92) and the third spray head (93) are all connected to the drainage pipe (82); the first spray head (91) is arranged at the end of the drainage pipe (82) and coincides with the water outlet direction of the drainage pipe (82); the second spray head (92) and the third spray head (93) are located on both sides of the first spray head (91); and the angles between the second spray head (92) and the third spray head (93) and the first spray head (91) are 30° to 60°.

5. The asphalt fume treatment device for anti-cracking asphalt highway construction according to claim 2 is characterized in that: The cleaning member (4) comprises a hollow plate (41) and a plurality of bristles (42); the height of the hollow plate (41) matches the height of the filter screen (2), and the plurality of bristles (42) are evenly distributed on the hollow plate (41); the hollow plate (41) is also connected to a liquid discharge pipe (82) via a pipeline; and a plurality of fourth nozzles (43) are provided on the hollow plate (41).

6. The asphalt fume treatment device for anti-cracking asphalt highway construction according to claim 5 is characterized in that: The plurality of fourth nozzles (43) and the plurality of bristles (41) are arranged in an alternating manner.

7. The asphalt fume treatment device for anti-cracking asphalt highway construction according to claim 2 is characterized in that: The abutting member (5) comprises an abutting plate (51), a spring (52), a fixing plate (53) and a box body (54); the abutting plate (51) is a T-shaped plate body, and a through slot is provided on the box body (54); the horizontal end of the T-shaped plate body is arranged in the box body (54); the vertical end of the T-shaped plate body passes through the through slot, and the protruding end is connected to the fixing plate (53); the fixing plate (53) is fixedly connected to the cleaning member (4) and the alkali liquid squeezer (8); the spring (52) is sleeved on the vertical end of the T-shaped plate body located in the box body (54), and one end of the spring (52) is fixed on the horizontal end of the T-shaped plate body, and one end of the spring (52) is fixed on the inner wall of the box body (54); the cam (61) intermittently abuts against the abutting plate (51).

8. The asphalt fume treatment device for anti-cracking asphalt highway construction according to claim 1 is characterized in that: The air outlet pipe of the casing (1) is connected to the thermal oxidizer (3) via an air suction pump (11).

9. The asphalt fume treatment device for anti-cracking asphalt highway construction according to claim 1, characterized in that: The cam reciprocating assembly (6) comprises a cam (61), a rotating shaft (62) and a motor. The rotating shaft (62) penetrates the box body (54) and is rotatably connected to the box body (54). The rotating shaft (62) located outside the box body (54) is fixedly connected to the motor. The cam (61) is fixed on the rotating shaft (62). The cam (61) intermittently abuts against the abutment plate (51).

10. The asphalt fume treatment device for anti-cracking asphalt highway construction according to claim 2, characterized in that: The alkali liquid squeezer (8) comprises an extrusion cylinder (83), a piston (84) and a piston push-pull plate (85); the extrusion cylinder (83) is arranged above the cleaning member (4) in the horizontal direction, and the extrusion cylinder (83) is filled with alkali liquid; the piston (84) is arranged on the piston push-pull plate (85), and the piston push-pull plate (85) is arranged in the extrusion cylinder (83) along the cylinder length direction; the piston push-pull plate (85) is connected to the fixed plate (34); and the liquid inlet pipe (81) and the liquid discharge pipe (82) are respectively connected to the extrusion cylinder (83).

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