CN108930212B

CN108930212B - Ageing pitch recycling system

Info

Publication number: CN108930212B
Application number: CN201810751721.4A
Authority: CN
Inventors: 盛青山
Original assignee: Jiangxi Jiaojian Road Engineering Co Ltd
Current assignee: Jiangxi Jiaojian Road Engineering Co., Ltd
Priority date: 2018-07-10
Filing date: 2018-07-10
Publication date: 2020-08-11
Anticipated expiration: 2038-07-10
Also published as: CN108930212A

Abstract

The invention discloses an aged asphalt recycling system which comprises a cleaning device, a supporting device, a material guiding device and a mixing device. The cleaning device comprises a cleaning bin, and a metal cleaning rod, a cleaning fixed block and a rubber cleaning film are arranged in the cleaning bin; mixing arrangement is equipped with the mixing unit including mixing the storehouse in, mixing the storehouse, and the mixing unit includes mixing dish, circular arc support, fastening bolt and mixes the claw tooth. The invention considers the quality problem of the waste asphalt in the design process, in the recycling process of the waste material, the waste material can not be mixed with soil and sundries, the soil and the sundries can influence the quality of the regenerated mixture, and the durability of the road is reduced.

Description

Ageing pitch recycling system

Technical Field

The invention relates to the field of aged asphalt recycling, in particular to an aged asphalt recycling system.

Background

Asphalt roads refer to various types of road surfaces that are made with asphalt materials incorporated into mineral materials. The asphalt binder improves the capability of the paving aggregate to resist damage of traveling vehicles and natural factors to the pavement, and enables the pavement to be smooth, less in dust, impermeable and durable. The asphalt pavement is affected by various natural factors and can age gradually along with the lapse of time, and the aged asphalt can weaken the binding power between the asphalt and the aggregate, so that pavement granules fall off and expand gradually, and the use engineering of the pavement is affected.

The existing treatment mode is to directly discard the waste as garbage, waste resources and cause environmental pollution, or to stir and recycle aged asphalt, but the aged asphalt is not substantially changed, and the recycling causes poor quality of paved road surfaces.

Disclosure of Invention

The invention aims to provide an aged asphalt recycling system, which treats aged asphalt through a cleaning device, a supporting device, a material guiding device and a mixing device, and can effectively soften brittle and hard aged asphalt under the action of new asphalt and a regenerant through cleaning and mixing so as to be convenient for full decomposition and effective mixing of new materials.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides an ageing pitch recycling system, includes belt cleaning device, strutting arrangement, draws material device and mixing arrangement, belt cleaning device is equipped with first feed inlet including wasing the storehouse, washs the storehouse top, is equipped with the washing axle in the washing storehouse, washs the epaxial welded fastening of metal that has the array distribution and washs the stick, and metal washs stick one side and is equipped with the washing fixed block, washs fixed block one side and is equipped with the boss, washs and is equipped with rubber cleaning film on the fixed block.

The inner grooves formed in the side ends of the bosses and the metal cleaning rod are in clearance fit, and the rubber cleaning film is adhered to the cleaning fixing block.

The bottom of the cleaning shaft is fixed with a first driving wheel which is fixed at the output end of the first motor.

The cleaning device is characterized in that supporting devices distributed in an array mode are arranged at the bottom of the cleaning bin, a protective cover is arranged on the outer side of each supporting device and fixed at the bottom end of the cleaning bin, a water outlet box is arranged at one end of the outer side of the cleaning bin in a sealing mode, and a water outlet box is arranged at the other end of the outer side of the cleaning bin in a sealing mode.

The discharging box is characterized in that a first discharging port is formed in the bottom of the discharging box, a material guiding device is connected to the bottom of the first discharging port and comprises an L-shaped material guiding pipeline, a horizontally fixed material guiding shaft is arranged in the L-shaped material guiding pipeline, a spiral material guiding paddle is arranged on the material guiding shaft, and material guiding sheets distributed in an array mode are arranged on the material guiding paddle.

Mixing arrangement is equipped with the mixing shaft including mixing the storehouse in, mixing epaxial mixing unit that is equipped with array distribution, and mixing unit includes the mixing dish, is equipped with array distribution's circular arc support on the mixing dish, and circular arc support one end is equipped with fastening bolt, and fastening bolt and mixing dish fixed connection, the circular arc support other end are equipped with mixed claw tooth.

Furthermore, the cleaning shaft penetrates through the cleaning bin, and the cleaning shaft and the cleaning bin are fixed in a rotating mode.

Further, strutting arrangement includes the bracing piece, and the bracing piece adopts screw thread fixed connection with washing storehouse bottom, is equipped with the support sleeve on the bracing piece, and the bracing piece runs through the support sleeve, and bracing piece bottom welded fastening has the support base.

Furthermore, one end of the feeding shaft is rotationally fixed on the L-shaped feeding pipeline body, the feeding shaft and the feeding paddle are fixed through welding, and an included angle of 20 degrees is formed between the plane where the feeding paddle is located and the end face of the feeding shaft.

Further, mix the storehouse upper end and be equipped with the second feed inlet, the sealed first end cap that is provided with on the second feed inlet, mix the storehouse side and be equipped with the second discharge gate, the sealed second end cap that is provided with on the second discharge gate.

Furthermore, the left end of the mixing bin and the right end of the material guiding pipeline are welded and fixed, and the mixing bin and the material guiding pipeline are communicated;

the mixing shaft runs through the mixing unit, the mixing shaft and the mixing unit adopt interference fit, and the mixing disc and the mixing shaft are matched with the same axis.

Further, mix storehouse one end and be equipped with the second motor, second motor bottom is equipped with the motor fixing base, and second motor output is equipped with the second action wheel, and the second action wheel runs through and mixes storehouse and mixing axle welded fastening.

The invention has the beneficial effects that:

1. according to the invention, the quality problem of waste asphalt is considered in the design process, in the recycling process of the old material, soil and impurities cannot be mixed in the old material, the soil and the impurities can influence the quality of the regenerated mixture, and the durability of the road is reduced, so that the cleaning device is designed in the invention, the soil and other impurities in the aged asphalt can be cleaned and removed, and the quality of the regenerated mixture is improved;

2. the invention is provided with the mixing device, and auxiliary materials such as regenerant and the like are added into the mixing device, so that the aim of recycling a large amount of waste asphalt is fulfilled, the road construction cost is saved, the resource is saved, and the pollution of the waste asphalt to the environment is reduced;

3. the cleaning fixed block in the cleaning device and the arc support in the mixing device are both detachable, and the cleaning fixed block and the arc support are convenient to replace after abrasion phenomenon is generated after long-time work;

4. the invention has simple and feasible operation, reasonable design, simple structure and good popularization value.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial schematic view of the cleaning apparatus of the present invention;

FIG. 3 is a schematic top view of a portion of the cleaning apparatus of the present invention;

FIG. 4 is a schematic view of the support base of the present invention;

FIG. 5 is a schematic cross-sectional front view of the present invention;

FIG. 6 is a partial schematic view of a feeding device of the present invention;

FIG. 7 is a partial schematic view of a mixing device of the present invention;

fig. 8 is a schematic diagram of a mixing unit of the present invention.

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.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

As shown in fig. 1, an aging asphalt recycling system, including a cleaning device 1, a supporting device 2, a guiding device 3 and a mixing device 4, the cleaning device 1 includes a cleaning bin 11, a first feeding hole 1101 is arranged at the top of the cleaning bin 11, the first feeding hole 1101 is used for inputting aging asphalt, cleaning water and a cleaning agent, a cleaning shaft 12 is arranged in the cleaning bin 11, as shown in fig. 2 and 3, metal cleaning rods 1201 distributed in an array are welded and fixed on the cleaning shaft 12, the metal cleaning rods 1201 can simply crush the aging asphalt while rotating, the cleaning efficiency is improved, a cleaning fixing block 1202 is arranged on one side of the metal cleaning rod 1201, a boss 1203 is arranged on one side of the cleaning fixing block 1202, an inner groove formed by the boss 1203 and the side end 1201 of the metal cleaning rod is in clearance fit, the fit is firm, and the metal cleaning rod can be detached and replaced when necessary. The cleaning fixed blocks 1202 are all provided with rubber cleaning films 1204, and the rubber cleaning films 1204 are adhered to the cleaning fixed blocks 1202 and are not easy to fall off. Wash the axle 12 and run through washing storehouse 11, wash axle 12 and washing storehouse 11 rotation fixed, wash 12 bottoms of axle and be fixed with first action wheel 13, first action wheel 13 is fixed at the output of first motor 14. As shown in FIG. 1, a water outlet box 15 is hermetically arranged at one end of the outer side of the cleaning bin 11, the water outlet box 15 is drawn out from the cleaning bin 11 to discharge sewage in the cleaning bin 11, a water outlet box 16 is hermetically arranged at the other end of the outer side of the cleaning bin 11, and the water outlet box 16 is drawn out from the cleaning bin 11 to discharge cleaned aged asphalt into the material guiding device 3.

As shown in fig. 1 and 4, the bottom of the cleaning bin 11 is provided with the supporting devices 2 distributed in an array manner, each supporting device 2 comprises a supporting rod 21, the bottoms of the supporting rods 21 and the cleaning bin 11 are fixedly connected through threads, a supporting sleeve 22 is arranged on each supporting rod 21, each supporting rod 21 penetrates through the corresponding supporting sleeve 22, and a supporting base 23 is welded and fixed to the bottom of each supporting rod 21. The outer side of the supporting device 2 is provided with a protective cover 24, and the protective cover 24 is fixed at the bottom end of the cleaning bin 11.

As shown in fig. 1 and 5, a first discharge port 17 is arranged at the bottom of the discharging box 16, the bottom of the first discharge port 17 is connected with the guiding device 3, the guiding device 3 includes an L-shaped guiding pipe 31, a horizontally fixed guiding shaft 32 is arranged in the L-shaped guiding pipe 31, one end of the guiding shaft 32 is rotationally fixed on the body of the L-shaped guiding pipe 31, as shown in fig. 6, a spiral guiding paddle 33 is arranged on the guiding shaft 32, the guiding shaft 32 and the guiding paddle 33 are fixed by welding, the connection is reliable, a plurality of guiding sheets 34 distributed in an array are arranged on the guiding paddle 33, an included angle of 20 degrees is formed between the plane where the guiding paddle 33 is located and the end face of the guiding shaft 32, and when the guiding shaft 32 rotates, the cleaned asphalt falls from the cleaning bin under the action of the guiding paddle 33 and the guiding sheets 34 and enters the mixing device 4 from left to right.

As shown in fig. 1 and 5, the mixing device 4 includes a mixing bin 41, the left end of the mixing bin 41 is welded and fixed to the right end of the material introduction pipe 31, the mixing bin 41 is communicated with the material introduction pipe 31, a second material inlet 4101 is arranged at the upper end of the mixing bin 41, the second material inlet 4101 is used for inputting new asphalt, a regenerant and the like, a first plug 4102 is hermetically arranged on the second material inlet 4101, a second material outlet 4103 is arranged at the side end of the mixing bin 41, and a second plug 4104 is hermetically arranged on the second material outlet 4103.

As shown in fig. 7 and 8, a mixing shaft 42 is disposed in the mixing bin 41, mixing units 43 are disposed on the mixing shaft 42 in an array, the mixing shaft 42 penetrates through the mixing units 43, and the mixing shaft 42 and the mixing units 43 are in interference fit. Mixing unit 43 includes mixing disc 4301, mixing disc 4301 and mixing shaft 42 cooperate with the axle center, be equipped with array distribution's circular arc support 4302 on the mixing disc 4301, circular arc support 4302 is equipped with certain radian, the effect is better when the stirring is mixed, circular arc support 4302's one end is equipped with fastening bolt 4304, fastening bolt 4304 and mixing disc 4301 fixed connection, it is convenient to dismantle, the circular arc support 4302 other end is equipped with a plurality of and mixes claw tooth 4303, the distance between the mixed claw tooth 4303 is suitable, can mix pitch and regenerant together fully.

As shown in fig. 1, one end of the mixing bin 41 is provided with a second motor 5, the bottom of the second motor 5 is provided with a motor fixing seat 51, the output end of the second motor 5 is provided with a second driving wheel 52, and the second driving wheel 52 penetrates through the mixing bin 41 and the mixing shaft 42 to be welded and fixed.

The working principle of the invention is as follows: putting the aged asphalt, cleaning water and a cleaning agent into a cleaning bin 11 through a first feeding hole 1101, turning on a first motor 14, rotating a cleaning shaft 12 to drive a metal cleaning rod 1201 to rotate, wherein the aged asphalt can be simply crushed by the rotation of the metal cleaning rod 1201, and after the aged asphalt is fully cleaned by the cleaning shaft 12 and a rubber cleaning film 1204, pumping a water outlet box 15 out of the cleaning bin 11 to discharge dirt and sewage in the cleaning bin 11; and then the discharging box 16 is opened, the aged asphalt is discharged to the guiding device 3 from the first discharging port 17, the second motor 5 is opened, the second driving wheel 52 drives the mixing shaft 42 and the guiding shaft 32 to rotate, the asphalt enters the mixing device 4 from left to right under the action of the guiding paddle 33 and the guiding sheet 34, the first plug 4102 is opened, and new asphalt and a regenerant are added, wherein the regenerant can effectively soften the brittle and hard aged asphalt, so that the brittle and hard aged asphalt is fully decomposed and the new asphalt is effectively mixed, the regenerant can also adjust the colloid structure of the asphalt, and the fluidity of the asphalt is improved. After the mixture is sufficiently mixed, the second plug 4104 is opened, and the new asphalt mixture which can be recycled is taken out, and the whole process is basically completed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. The aging asphalt recycling system comprises a cleaning device (1), a supporting device (2), a material guiding device (3) and a mixing device (4), and is characterized in that the cleaning device (1) comprises a cleaning bin (11), a first feeding hole (1101) is formed in the top of the cleaning bin (11), a cleaning shaft (12) is arranged in the cleaning bin (11), metal cleaning rods (1201) distributed in an array mode are welded and fixed on the cleaning shaft (12), a cleaning fixing block (1202) is arranged on one side of each metal cleaning rod (1201), a boss (1203) is arranged on one side of each cleaning fixing block (1202), and a rubber cleaning film (1204) is arranged on each cleaning fixing block (1202);

the boss (1203) is in clearance fit with an inner groove formed at the side end of the metal cleaning rod (1201), and the rubber cleaning film (1204) is adhered to the cleaning fixed block (1202);

a first driving wheel (13) is fixed at the bottom of the cleaning shaft (12), and the first driving wheel (13) is fixed at the output end of a first motor (14);

the bottom of the cleaning bin (11) is provided with supporting devices (2) distributed in an array manner, the outer side of each supporting device (2) is provided with a protective cover (24), each protective cover (24) is fixed at the bottom end of the cleaning bin (11), one end of the outer side of the cleaning bin (11) is hermetically provided with a water outlet box (15), and the other end of the outer side of the cleaning bin (11) is hermetically provided with a water outlet box (16);

a first discharge hole (17) is formed in the bottom of the discharge box (16), a feeding device (3) is connected to the bottom of the first discharge hole (17), the feeding device (3) comprises an L-shaped feeding pipeline (31), a horizontally fixed feeding shaft (32) is arranged in the L-shaped feeding pipeline (31), spiral feeding paddles (33) are arranged on the feeding shaft (32), and feeding sheets (34) distributed in an array manner are arranged on the feeding paddles (33);

mixing arrangement (4) are equipped with mixing shaft (42) including mixing storehouse (41) in mixing storehouse (41), be equipped with array distribution's mixing unit (43) on mixing shaft (42), mixing unit (43) are including mixing dish (4301), be equipped with array distribution's circular arc support (4302) on mixing dish (4301), circular arc support (4302) one end is equipped with fastening bolt (4304), fastening bolt (4304) and mixing dish (4301) fixed connection, circular arc support (4302) other end is equipped with mixes claw tooth (4303).

2. An aged asphalt recycling system according to claim 1, wherein the cleaning shaft (12) penetrates through the cleaning bin (11), and the cleaning shaft (12) and the cleaning bin (11) are rotationally fixed.

3. The aged asphalt recycling system according to claim 1, wherein the supporting device (2) comprises a supporting rod (21), the supporting rod (21) is fixedly connected with the bottom of the cleaning bin (11) through threads, a supporting sleeve (22) is arranged on the supporting rod (21), the supporting rod (21) penetrates through the supporting sleeve (22), and a supporting base (23) is fixedly welded at the bottom of the supporting rod (21).

4. The aged asphalt recycling system according to claim 1, wherein one end of the feeding shaft (32) is rotatably fixed on the L-shaped feeding pipeline (31), the feeding shaft (32) and the feeding paddle (33) are fixed by welding, and the plane of the feeding paddle (33) forms an included angle of 20 degrees with the end face of the feeding shaft (32).

5. The aged asphalt recycling system according to claim 1, wherein a second inlet (4101) is arranged at the upper end of the mixing bin (41), a first plug (4102) is hermetically arranged on the second inlet (4101), a second outlet (4103) is arranged at the side end of the mixing bin (41), and a second plug (4104) is hermetically arranged on the second outlet (4103).

6. The aged asphalt recycling system according to claim 1, wherein the left end of the mixing bin (41) and the right end of the material introduction pipeline (31) are welded and fixed, and the mixing bin (41) and the material introduction pipeline (31) are communicated;

mixing shaft (42) run through mixing unit (43), and interference fit is adopted in mixing shaft (42) and mixing unit (43), and mixing dish (4301) and mixing shaft (42) are with axle center cooperation.

7. The aged asphalt recycling system according to claim 1, wherein a second motor (5) is arranged at one end of the mixing bin (41), a motor fixing seat (51) is arranged at the bottom of the second motor (5), a second driving wheel (52) is arranged at the output end of the second motor (5), and the second driving wheel (52) penetrates through the mixing bin (41) and the mixing shaft (42) to be welded and fixed.