CN111877103A

CN111877103A - Asphalt spraying machine for thermal regeneration adhesive layer of asphalt pavement

Info

Publication number: CN111877103A
Application number: CN202010628202.6A
Authority: CN
Inventors: 陈碧香
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2020-11-03

Abstract

The invention discloses a hot regeneration adhesive layer asphalt spraying machine for asphalt pavement, which structurally comprises an anti-caking stirring device, an adhesive layer asphalt barrel, a machine body, a suction pipe, a spraying gun and a spray head, wherein the adhesive layer asphalt barrel is placed on the machine body, the adhesive layer asphalt barrel is provided with the anti-caking stirring device, the adhesive layer asphalt barrel is connected with the suction pipe through a suction pump, the suction pipe is connected with the spraying gun, and the spraying gun is provided with the spray head, and compared with the prior art, the hot regeneration adhesive layer asphalt spraying machine has the beneficial effects that: can transversely carry out, vertical cutting stirring to the adhesive coat pitch, can disturb the vortex for the adhesive coat pitch can the intensive mixing, avoid the adhesive coat pitch to the rotatory conglomeration of same direction, can also heat the adhesive coat pitch, prevent that the adhesive coat pitch from condensing because of the low temperature, make spraying of adhesive coat pitch smoothly go on, can shake off the adhesive coat pitch that will remain in the shower nozzle through the elasticity of spring, prevent effectively that the adhesive coat pitch from remaining in the shower nozzle and leading to the shower nozzle to block up.

Description

Asphalt spraying machine for thermal regeneration adhesive layer of asphalt pavement

Technical Field

The invention relates to the field of road construction, in particular to a hot recycling adhesive layer asphalt spraying machine for an asphalt pavement.

Background

When the damage degree of the pavement does not reach the base layer, the asphalt pavement is heated and loosened by using an in-situ heat regeneration device, a certain amount of new asphalt, a new asphalt mixture, a regenerant and the like are added, and the old asphalt pavement is recycled at one time through the working procedures of hot mixing, paving, rolling and the like.

Pitch is the dark brown complex mixture that comprises hydrocarbon of different molecular weights and nonmetal derivative thereof, be one kind of high viscosity organic liquid, when stirring the viscous layer pitch, because agitating unit's high-speed rotation, can form the vortex, thereby the viscous layer pitch is rotatory and can not obtain intensive mixing towards same direction, and the viscous layer pitch is because viscosity can stagnate in pitch bucket inner wall and shower nozzle inner wall greatly, and the viscous layer pitch can cool off the condensation under the condition that the temperature is low excessively, thereby can make the viscous layer pitch condense to be conglomerated and fix at pitch bucket inner wall, reduce the volume of pitch bucket, influence the flow of spraying in later stage.

Disclosure of Invention

The invention mainly aims to overcome the defects of the prior art and provide the asphalt spraying machine for the hot regeneration adhesive layer of the asphalt pavement.

The invention is realized by adopting the following technical scheme: the utility model provides a bituminous paving hot recycling adhesive layer pitch spraying machine, its structure is including preventing caking agitating unit, adhesive layer pitch bucket, organism, straw, spray gun, shower nozzle, the adhesive layer pitch bucket has been placed on the organism, the adhesive layer pitch bucket is equipped with prevents caking agitating unit, the adhesive layer pitch bucket is connected with the straw through the suction pump, the straw is connected in spray gun, spray gun installs the shower nozzle.

As further optimization, prevent agglomerating agitating unit including rabbling mechanism, pivot, micromotor, axle sleeve, No. two rabbling mechanisms, round platform, the output shaft of micromotor is connected with the top of pivot, the bottom and the round platform of pivot are connected perpendicularly, the equipartition has four axle sleeves that are equidistance formula arrangement in the pivot, all be equipped with rabbling mechanism, No. two rabbling mechanisms on the axle sleeve, the top at the adhesive layer pitch bucket is installed to the micromotor, the interior bottom center at the adhesive layer pitch bucket is fixed to the round platform, locate the adhesive layer pitch bucket in rabbling mechanism, No. two rabbling mechanisms.

As further optimization, the shower nozzle is including shower nozzle base member, first liquid outlet, recess, rubber tube, spring, second liquid outlet, movable cover, shower nozzle base member one end is equipped with first liquid outlet, and the other end cooperation has the movable cover, the shower nozzle base member is seted up flutedly, be equipped with rubber tube, spring in the recess, the rubber tube runs through in the spring and both adopt clearance fit, the one end of rubber tube, spring links to each other with the shower nozzle base member, and the other end meets with the movable cover, the movable cover is equipped with the second liquid outlet, first liquid outlet, rubber tube communicate with each other.

As further optimization, the axle sleeve is equipped with four, and first and third axle sleeve all is equipped with a set of rabbling mechanism and a set of rabbling mechanism No. two, and second and fourth axle sleeve all is equipped with a set of rabbling mechanism and a set of rabbling mechanism No. two, and the rabbling mechanism and No. two in the vertical direction are alternate the setting.

As further optimization, rabbling mechanism is including stirred tubular, stirring frame, heating pipe, radiating ring, electric wire, laid the stirred tubular that is the equidistance formula setting on the stirring frame, the stirred tubular is hollow structure setting and is equipped with eight, be equipped with the heating pipe in the stirred tubular all, the radiating ring has been put to the cover on the heating pipe, the radiating ring is equipped with eight and more than, the outer wall of radiating ring and the inner wall laminating contact of stirred tubular, the heating pipe is equipped with and connects in parallel with the same number of stirred tubular and through the electric wire, stirring frame and axle sleeve outer wall fixed connection No. one.

As further optimization, No. two rabbling mechanisms are including No. two stirring frames, puddler, branch spacer block, No. two stirring frames's middle part is equipped with the branch spacer block, the medial surface that divides spacer block and No. two stirring frames all is equipped with the puddler, the puddler is equipped with four and is the equidistance formula setting, No. two stirring frames are fixed on the axle sleeve.

As further optimization, the outer walls of the stirring pipe, the first stirring frame, the second stirring frame and the stirring rod are all provided with non-stick coatings.

As further optimization, the outer wall of a stirring frame, No. two stirring frames still is fixed with the silica gel scraper blade, the silica gel scraper blade sets up for isosceles triangular prism structure, the silica gel scraper blade contacts with the laminating of adhesive layer pitch bucket inner wall.

As further optimization, the bottom of the sprayer base body is provided with a limiting groove.

As further optimization, the movable cover is provided with a limiting hook ring, and the limiting hook ring is matched with the limiting groove.

Advantageous effects

Compared with the prior art, the invention provides an asphalt spraying machine for hot regeneration of an asphalt pavement sticky layer, which has the following beneficial effects:

(1) the micro motor is driven to operate, the rotating shaft is driven to rotate, the first stirring mechanism and the second stirring mechanism are linked through the shaft sleeve, the first stirring mechanism can longitudinally cut and stir the adhesive layer asphalt by arranging the stirring pipe, the second stirring mechanism can transversely cut and stir the adhesive layer asphalt by arranging the stirring rod, the adhesive layer asphalt is transversely and longitudinally cut and stirred through the stirring pipe and the stirring rod, the adhesive layer asphalt is effectively prevented from rotating in the same direction all the time and cannot be fully stirred, the adhesive layer asphalt can be fully stirred, the construction effect of a road surface is favorably improved, the first stirring frame and the second stirring frame are provided with the silica gel scraper, the adhesive layer asphalt remained on the inner wall of the adhesive layer asphalt barrel can be scraped during stirring, the adhesive layer asphalt is prevented from remaining, the heating pipe is arranged in the stirring pipe and can generate heat, and the generated heat can be transferred to the stirring pipe through the heat dissipation ring, therefore, the stirring pipe can generate heat, the heat energy can heat the adhesive layer asphalt, the adhesive layer asphalt is prevented from being condensed due to low temperature, and the spraying of the adhesive layer asphalt is facilitated;

(2) when spraying, the adhesive layer asphalt enters from the first liquid outlet and passes through the rubber pipe, most of the adhesive layer asphalt is sprayed from the second liquid outlet, and a small part of the adhesive layer asphalt acts on the inner inclined plane of the movable cover, so that the movable cover is stressed and extends outwards under the action of the limiting hook ring until being limited by the limiting groove, the spring is stretched to store force, the rubber pipe is stretched and then sprayed out through the second liquid outlet, after spraying is finished, the movable cover is not pushed, the spring is stretched to reset to pull the movable cover inwards, and the elastic force of the reset spring can shake off the adhesive layer asphalt remained on the rubber pipe and the movable cover, so that the adhesive layer asphalt is prevented from remaining, and the spray head is prevented from being blocked.

In summary, the first stirring mechanism, the rotating shaft, the micro motor, the shaft sleeve, the second stirring mechanism and the circular truncated cone are arranged to transversely and longitudinally cut and stir the sticky layer asphalt, so that eddy current can be disturbed, the sticky layer asphalt can be fully stirred, the sticky layer asphalt can be prevented from rotating and agglomerating in the same direction, the sticky layer asphalt can be heated, the sticky layer asphalt can be prevented from being smoothly sprayed due to low-temperature condensation, the sticky layer asphalt remained in the spray head can be shaken off through the elasticity of the spring through the arrangement of the spray head base body, the first liquid outlet, the groove, the rubber pipe, the spring, the second liquid outlet and the movable cover, and the spray head can be effectively prevented from being blocked due to the fact that the sticky layer asphalt remains in the spray head.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of an asphalt spraying machine for hot recycling of an asphalt pavement.

FIG. 2 is a schematic structural diagram of the anti-caking stirring device according to the present invention.

Fig. 3 is a schematic structural diagram of a first working state in which the first stirring mechanism, the second stirring mechanism, the rotating shaft and the shaft sleeve are matched.

Fig. 4 is a structural schematic diagram of a second working state in which the first stirring mechanism, the second stirring mechanism, the rotating shaft and the shaft sleeve are matched.

Fig. 5 is a schematic cross-sectional structure diagram of a first stirring mechanism of the present invention.

Fig. 6 is a schematic structural diagram of an enlarged view of a in fig. 5.

FIG. 7 is a schematic cross-sectional view illustrating the showerhead of the present invention in an idle state.

Fig. 8 is a schematic cross-sectional view of the showerhead of the present invention in an operating state.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

an anti-caking stirring device-1, a sticky asphalt barrel-2, a machine body-3, a suction pipe-4, a spray gun-5, a spray head-6, a first stirring mechanism-a 1, a rotating shaft-a 2, a micro motor-a 3, a shaft sleeve-a 4, a second stirring mechanism-a 5, a circular truncated cone-a 6, a spray head matrix-b 1, a first liquid outlet-b 2 and a groove-b 3, rubber tube-b 4, spring-b 5, second liquid outlet-b 6, movable cover-b 7, stirring tube-1 a1, first stirring frame-1 a2, heating tube-1 a3, radiating ring-1 a4, electric wire-1 a5, second stirring frame-5 a1, stirring rod-5 a2, separating block-5 a3, silica gel scraper-a 7, limiting groove-1 b1 and limiting hook ring-7 b 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the present invention provides a technical solution of a hot recycling adhesive layer asphalt spraying machine for asphalt pavement: its structure is including preventing caking agitating unit 1, adhesive layer pitch bucket 2, organism 3, straw 4, spray gun 5, shower nozzle 6, adhesive layer pitch bucket 2 has been placed on the organism 3, adhesive layer pitch bucket 2 is equipped with prevents caking agitating unit 1, adhesive layer pitch bucket 2 is connected with straw 4 through the suction pump, straw 4 is connected in spray gun 5, spray gun 5 installs shower nozzle 6.

Referring to fig. 2, the anti-agglomeration stirring apparatus 1 includes a first stirring mechanism a1, a rotating shaft a2, a micro-motor a3, a shaft sleeve a4, a second stirring mechanism a5 and a circular table a6, an output shaft of the micro-motor a3 is connected with the top of the rotating shaft a2, the bottom of the rotating shaft a2 is vertically connected with the circular table a6, four shaft sleeves a4 are uniformly distributed on the rotating shaft a2 in an equidistant arrangement, the shaft sleeve a4 is provided with a first stirring mechanism a1 and a second stirring mechanism a5, the micro-motor a3 is mounted on the top of the viscous layer asphalt tank 2, the circular table a6 is fixed at the center of the inner bottom of the viscous layer asphalt tank 2, the first stirring mechanism a1 and the second stirring mechanism a5 are arranged in the viscous layer asphalt tank 2, the shaft sleeves a4 are provided with four stirring mechanisms, the first shaft sleeve a4 and the third shaft sleeve a4 are provided with two groups of the first stirring mechanism 1a and the second stirring mechanism 1, and the second stirring mechanism 1a1 and the first stirring mechanism 1 are provided with two groups of stirring mechanism, the first stirring mechanism a1 and the second stirring mechanism a5 in the vertical direction are arranged at intervals.

Above-mentioned prevent caking agitating unit 1 set up lie in can transversely, vertically cut the stirring to the adhesive layer pitch for the adhesive layer pitch can intensive mixing, avoids the adhesive layer pitch to the rotatory caking of same direction.

Referring to fig. 3-6, the first stirring mechanism a1 includes a stirring tube 1a1, a first stirring frame 1a2, a heating tube 1a3, a heat dissipation ring 1a4, and an electric wire 1a5, the stirring tube 1a1 is disposed on the first stirring frame 1a2 in an equidistant manner, the stirring tube 1a1 is disposed in a hollow structure and has eight pieces, the heating tube 1a3 is disposed in each stirring tube 1a1, the heat dissipation ring 1a4 is sleeved on the heating tube 1a3, the heat dissipation ring 1a4 has eight or more pieces, the outer wall of the heat dissipation ring 1a4 is in contact with the inner wall of the stirring tube 1a1, the heating tube 1a3 is disposed in the same number as the number of the stirring tubes 1a1 and is connected in parallel through the electric wire 1a5, and the first stirring frame 1a2 is fixedly connected to the outer wall of the shaft sleeve 4.

The heating pipe 1a3 can generate heat, and the heat generated can be transferred to the stirring pipe 1a1 through the heat dissipation ring 1a4, so that the stirring pipe 1a1 can generate heat, the heat generated can heat the asphalt to be adhered, and the asphalt to be adhered is prevented from being condensed due to low temperature.

Referring to fig. 3-4, the second stirring mechanism a5 includes a second stirring frame 5a1, a stirring rod 5a2, and a separating block 5a3, the separating block 5a3 is disposed in the middle of the second stirring frame 5a1, the stirring rods 5a2 are disposed on the inner side surfaces of the separating block 5a3 and the second stirring frame 5a1, four stirring rods 5a2 are disposed and equidistantly disposed, and the second stirring frame 5a1 is fixed on a shaft sleeve a 4.

The outer walls of the stirring pipe 1a1, the first stirring frame 1a2, the second stirring frame 5a1 and the stirring rod 5a2 are all provided with non-stick coatings, and the non-stick coatings can effectively prevent adhesion of asphalt in the adhesive layer.

The agitating pipe 1a1 is provided to cut and agitate the asphalt in the longitudinal direction, and the agitating rod 5a2 is provided to cut and agitate the asphalt in the transverse direction, thereby effectively preventing the asphalt from rotating in the same direction all the time and not being agitated sufficiently by the cutting and agitating in the transverse and longitudinal directions.

Referring to fig. 3-4, the outer walls of the first stirring frame 1a2 and the second stirring frame 5a1 are further fixed with a silica gel scraper a7, the silica gel scraper a7 is arranged in an isosceles triangular prism structure, and the silica gel scraper a7 is in contact with the inner wall of the adhesive layer asphalt barrel 2.

The arrangement of the silica gel scraper a7 is that the adhesive asphalt retained on the inner wall of the adhesive asphalt barrel 2 can be scraped off to prevent the adhesive asphalt from remaining.

Example 2

Referring to fig. 7, the nozzle 6 includes a nozzle base b1, a first liquid outlet b2, a groove b3, a rubber tube b4, a spring b5, a second liquid outlet b6, and a movable cover b7, one end of the nozzle base b1 is provided with a first liquid outlet b2, the other end is matched with a movable cover b7, the nozzle base b1 is provided with a groove b3, the groove b3 is internally provided with a rubber tube b4 and a spring b5, the rubber tube b4 penetrates through the spring b4 and is in clearance fit with the spring b4, one ends of the rubber tube b4 and the spring b4 are connected with the nozzle base b4, the movable cover b4 is provided with a second liquid outlet b4, the first liquid outlet b4 and the rubber tube b4 are communicated, and the movable cover b4 is internally provided with an inclined surface so that the adhesive layer can act on the inclined surface to enable the movable cover b4 to be extended.

The combination of the rubber tube b4 and the spring b5 is slightly elastic due to the rubber tube b4, the spring b5 is elastic, asphalt can push the movable cover b7 during spraying, the rubber tube b4 and the spring b5 can stretch, and the spring b5 can reset after spraying is finished, so that the elastic force is provided, and the asphalt on the inner wall of the rubber tube b4 can be shaken off.

Referring to fig. 8, the bottom of the nozzle base b1 is provided with a limiting groove 1b 1.

Referring to fig. 8, the movable cover b7 is provided with a limiting hook ring 7b1, the limiting hook ring 7b1 is matched with the limiting groove 1b1, and the limiting groove 1b1 is arranged to limit the limiting hook ring 7b 1.

The working principle of the invention is as follows: the micro motor a3 is driven to operate, the rotating shaft a2 is enabled to rotate, the first stirring mechanism a1 and the second stirring mechanism a5 are linked through a shaft sleeve a4, the first stirring mechanism a1 can longitudinally cut and stir the bonding asphalt through arranging a stirring pipe 1a1, the second stirring mechanism a5 can transversely cut and stir the bonding asphalt through arranging a stirring rod 5a2, the bonding asphalt is transversely and longitudinally cut and stirred through a stirring pipe 1a1 and a stirring rod 5a2, the bonding asphalt is effectively prevented from rotating in the same direction all the time and cannot be fully stirred, the bonding asphalt is fully stirred, the construction effect of a road surface is improved, the first stirring frame 1a2 and the second stirring frame 5a1 are provided with silica gel scrapers a7, the bonding asphalt remained on the inner wall of the bonding asphalt barrel 2 can be scraped during stirring, the bonding asphalt is prevented from remaining, and a heating pipe 3 is arranged in the stirring pipe 1, the heating pipe 1a3 can generate heat, and the generated heat can be transferred to the stirring pipe 1a1 through the heat dissipation ring 1a4, so that the stirring pipe 1a1 can generate heat, the generated heat can heat the adhesive layer asphalt, the adhesive layer asphalt is prevented from being condensed due to low temperature, and the spraying of the adhesive layer asphalt is facilitated;

during spraying, the sticky layer asphalt enters from the first liquid outlet b2 and passes through the rubber tube b4, most of the sticky layer asphalt is sprayed from the second liquid outlet b6, a small part of the sticky layer asphalt acts on the inner inclined surface of the movable cover b7, so that the movable cover b7 is stressed to extend under the action of the limiting hook ring 7b1 until being limited by the limiting groove 1b1, the spring b5 is stretched to accumulate force, the rubber tube b4 is stretched and then sprayed out through the second liquid outlet b6, after spraying is finished, the movable cover b7 is not pushed, the spring b5 is stretched to be reset to pull the movable cover b7 inwards, the elastic force of the spring b5 can shake off the sticky layer asphalt remained on the rubber tube b4 and the movable cover b7, the sticky layer asphalt is prevented from remaining, and the spray head 6 is prevented from being blocked.

In summary, the technical progress obtained by the invention compared with the prior art is as follows: according to the invention, through the arrangement of the first stirring mechanism, the rotating shaft, the micro motor, the shaft sleeve, the second stirring mechanism and the circular truncated cone, the adhesive layer asphalt can be transversely and longitudinally cut and stirred, the vortex can be disturbed, the adhesive layer asphalt can be fully stirred, the adhesive layer asphalt is prevented from rotating and agglomerating in the same direction, the adhesive layer asphalt can be heated, the adhesive layer asphalt is prevented from being condensed due to low temperature, the spraying of the adhesive layer asphalt can be smoothly carried out, through the arrangement of the nozzle base body, the first liquid outlet, the groove, the rubber tube, the spring, the second liquid outlet and the movable cover, the adhesive layer asphalt remained in the nozzle can be shaken off through the elasticity of the spring, and the nozzle blockage caused by the adhesive layer asphalt remaining in the nozzle can be effectively prevented.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a bituminous paving hot recycling adhesive layer pitch spraying machine, its structure is including preventing caking agitating unit (1), adhesive layer pitch bucket (2), organism (3), straw (4), spray gun (5), shower nozzle (6), adhesive layer pitch bucket (2) have been placed on organism (3), adhesive layer pitch bucket (2) are equipped with prevents caking agitating unit (1), adhesive layer pitch bucket (2) are connected with spray gun (5) through suction pump, straw (4), spray gun (5) install shower nozzle (6), its characterized in that:

the anti-caking stirring device (1) comprises a first stirring mechanism (a1), a rotating shaft (a2), a micro motor (a3), a shaft sleeve (a4), a second stirring mechanism (a5) and a round table (a6), wherein the rotating shaft (a2) is connected with the micro motor (a3) and the round table (a6) is connected downwards, the shaft sleeve (a4) is uniformly distributed on the rotating shaft (a2), the shaft sleeve (a4) is provided with the first stirring mechanism (a1) and the second stirring mechanism (a5), the round table (a6) is connected with the sticky layer asphalt barrel (2), and the first stirring mechanism (a1) and the second stirring mechanism (a5) are arranged in the sticky layer asphalt barrel (2);

shower nozzle (6) are including shower nozzle base member (b1), first liquid outlet (b2), recess (b3), rubber tube (b4), spring (b5), second liquid outlet (b6), movable cover (b7), shower nozzle base member (b1) is equipped with first liquid outlet (b2), still cooperates movable cover (b7), shower nozzle base member (b1) is seted up recess (b3), be equipped with rubber tube (b4), spring (b5) of mutually supporting in recess (b3), rubber tube (b4), spring (b5) one end link to each other with shower nozzle base member (b1), and the other end meets with movable cover (b7), movable cover (b7) is equipped with second liquid outlet (b 6).

2. The asphalt spraying machine for hot recycling of asphalt pavement with sticky layer according to claim 1, characterized in that: the number of the shaft sleeves (a4) is four, the first shaft sleeve (a4) and the third shaft sleeve (a4) are respectively provided with two groups of first stirring mechanisms (a1) and two groups of second stirring mechanisms (a5), the second shaft sleeve (a4) and the fourth shaft sleeve (a4) are respectively provided with one group of first stirring mechanisms (a1) and two groups of second stirring mechanisms (a5), and the first stirring mechanisms (a1) and the second stirring mechanisms (a5) in the vertical direction are arranged alternately.

3. The asphalt spraying machine for hot recycling of asphalt pavement with sticky layer according to claim 1, characterized in that: a rabbling mechanism (a1) including stirred tube (1a1), a stirring frame (1a2), heating pipe (1a3), radiating ring (1a4), electric wire (1a5), stirring pipe (1a1) has been laid to stirring frame (1a2), be equipped with heating pipe (1a3) in stirred tube (1a1), radiating ring (1a4) has been put to heating pipe (1a3) cover, radiating ring (1a4) and stirred tube (1a1) contact, heating pipe (1a3) are parallelly connected through electric wire (1a 5).

4. The asphalt spraying machine for hot recycling of asphalt pavement with sticky layer according to claim 1, characterized in that: the second stirring mechanism (a5) comprises a second stirring frame (5a1), stirring rods (5a2) and a separating block (5a3), wherein the separating block (5a3) is arranged in the middle of the second stirring frame (5a1), and the stirring rods (5a2) are arranged between the separating block (5a3) and the second stirring frame (5a 1).

5. The asphalt spraying machine for hot recycling of asphalt pavement with sticky layer according to claim 3, characterized in that: the stirring pipe (1a1), the first stirring frame (1a2), the second stirring frame (5a1) and the stirring rod (5a2) are provided with non-stick coatings.

6. The asphalt spraying machine for hot recycling of asphalt pavement with sticky layer according to claim 3, characterized in that: stirring frame (1a2), No. two stirring frames (5a1) still are fixed with silica gel scraper blade (a7), silica gel scraper blade (a7) sets up for isosceles triangular prism structure, silica gel scraper blade (a7) and adhesive layer pitch bucket (2) contact.

7. The asphalt spraying machine for hot recycling of asphalt pavement with sticky layer according to claim 1, characterized in that: the spray head base body (b1) is provided with a limiting groove (1b 1).

8. The asphalt spraying machine for hot recycling of asphalt pavement with sticky layer according to claim 1, characterized in that: the movable cover (b7) is provided with a limiting hook ring (7b1), and the limiting hook ring (7b1) is matched with the limiting groove (1b 1).