CN112878143B

CN112878143B - Asphalt regeneration equipment

Info

Publication number: CN112878143B
Application number: CN202110063940.5A
Authority: CN
Inventors: 杨晓强; 杨俊峰; 王兰华; 杨邦虎
Original assignee: Beijing Kelutai Traffic Technology Co ltd; Chengdu Lutai High-Tech Engineering Technology Research Institute; Sichuan Kelutai Traffic Technology Co ltd
Current assignee: Beijing Kelutai Traffic Technology Co ltd; Chengdu Lutai High-Tech Engineering Technology Research Institute; Sichuan Kelutai Traffic Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2022-08-19
Anticipated expiration: 2041-01-18
Also published as: CN112878143A

Abstract

The invention discloses asphalt regeneration equipment which comprises a drying and crushing device, a mixing device and a storage device, wherein the drying and crushing device is provided with a first feeding hole and a first discharging hole, the mixing device is provided with a second discharging hole and a second feeding hole, the storage device comprises a third discharging hole and a third feeding hole, the bottom of the first discharging hole is connected with the second feeding hole through a first conveying belt, and the bottom of the second discharging hole is connected with the third feeding hole through a second conveying belt; by the technical scheme, the method has the advantages that the waste asphalt can be recycled and mixed with new materials to produce the asphalt of the mixture which can be put into industrial use, and the energy consumption is reduced.

Description

Asphalt regeneration equipment

Technical Field

The invention relates to the field of mechanical equipment, in particular to asphalt regeneration equipment.

Background

In the industrial production of asphalt, the demand is huge, and the waste asphalt causes a great deal of energy waste, so that an asphalt recycling device is needed for re-extracting the waste asphalt and reducing the energy waste.

Disclosure of Invention

In view of the above problems, the present invention provides an asphalt recycling apparatus, which has advantages of recycling waste asphalt and mixing with new materials to produce asphalt that can be used in industry, and reducing energy consumption.

The technical scheme of the invention is as follows:

the utility model provides an asphalt recycling equipment, includes stoving breaker, mixing arrangement and storage device, stoving breaker has first feed inlet and first discharge gate, mixing arrangement has second discharge gate and second feed inlet, storage device includes third discharge gate and third feed inlet, the bottom of first discharge gate is connected with the second feed inlet through first conveyer belt, the bottom of second discharge gate is passed through the second conveyer belt and is connected with the third feed inlet.

The working principle of the technical scheme is as follows:

waste asphalt enters the drying and crushing device from the first feeding hole, after the drying and crushing device finishes treatment, the waste asphalt enters the first conveying belt from the first discharging hole and enters the mixing device through the second feeding hole, the mixing device fully mixes the waste asphalt and the new material and then enters the second conveying belt from the second discharging hole and enters the storage device through the third feeding hole, and when the asphalt is required to be used, the third discharging hole is opened.

By the technical scheme, the method has the advantages that the waste asphalt can be recycled and mixed with new materials to produce the asphalt of the mixture which can be put into industrial use, and the energy consumption is reduced.

In a further technical scheme, the drying and crushing device comprises a barrel body, a conveying channel is arranged inside the barrel body, the first feed inlet is communicated with the conveying channel and is located at the top of the barrel body, an auger screw is arranged in the conveying channel, an air heater is arranged on one side of the conveying channel, the air outlet direction of the air heater is the same as the conveying direction of the conveying channel, a crusher is further arranged in the barrel body and comprises two rotating rods which are horizontally arranged inside the barrel body, a plurality of cutting knives are arranged on the rotating rods respectively, a discharge port is formed in the bottom of the barrel body, and a first valve is arranged at the first discharge port.

Feeding waste asphalt into a conveying channel of a barrel body from a feeding hole, feeding the waste asphalt in a rotating manner by using a first auger screw, simultaneously, operating a hot air fan to evaporate water on the surface of the waste asphalt in the first auger screw, feeding the dried waste asphalt into a crusher, rotating a rotating rod of the crusher to drive a cutting knife to rotate to cut the waste asphalt, and finally opening a first valve at the bottom of the barrel body, wherein the cut waste asphalt enters the next process by virtue of the action of gravity; drying and crushing device can fully crush waste asphalt through the structure, and avoids subsequent processes from being influenced.

In a further technical scheme, the number of the crushers is three, and gaps between two rotating rods of the three crushers are sequentially reduced along the direction from the feeding hole to the valve.

The clearance between two bull sticks through three breaker reduces along the direction of feed inlet to valve in proper order, is convenient for cut waste asphalt step by step, and further guarantee fully broken waste asphalt.

In a further technical scheme, the conveying channel comprises a horizontal part and an inclined part, the first auger is positioned in the horizontal part, and a discharge hole of the inclined part is positioned at the top of the crusher.

After the first auger spiral feeding is finished, the waste asphalt enters the inclined part and slides downwards under the action of gravity, so that the buffering effect is achieved.

In a further technical scheme, the mixing device comprises a heating chamber and a mixing chamber, the heating chamber is located at the top of the mixing chamber, the second feed inlet is located at the top of the heating chamber, the top of the heating chamber is also provided with a feed inlet, a heater is arranged in the heating chamber, the bottom of the heating chamber is provided with a first through opening, a second valve is arranged at the first through opening, the top of the mixing chamber is provided with a second through opening, a third valve is arranged at the second through opening, a second discharge outlet is located at the bottom of the mixing chamber, a fourth valve is arranged at the second discharge outlet, the first through opening is connected with the second through opening through a pipeline, the cross section of the mixing chamber is circular, an inner cylinder is rotatably connected in the mixing chamber, the outer wall of the inner cylinder is matched with the inner wall of the mixing chamber, and the top and the bottom of the inner cylinder are respectively communicated with the second through opening and the second discharge outlet, and a power device for driving the inner cylinder to rotate is also arranged in the mixing cavity.

The first conveying belt conveys the crushed waste asphalt to a heating chamber, new materials are poured into the heating chamber from a feeding port, a heater heats and melts the crushed waste asphalt and the new materials to form a mixture in a molten state, a second valve and a third valve are opened, the mixture in the molten state flows into the mixing chamber from a pipeline under the action of gravity, the third valve is closed, an inner cylinder of the mixing chamber rotates to fully mix the mixture in the molten state, a fourth valve is opened, and the stirred mixture flows out from a second discharge port under the action of gravity to enter the next process; mixing arrangement has the ability intensive mixing abandonment pitch and new material through above-mentioned structure, avoids the advantage that subsequent handling receives the influence.

In a further technical scheme, a stirrer is arranged in the axis direction of the mixing chamber, a motor is further arranged in the mixing chamber, and an output shaft of the motor is connected with the stirrer.

The stirrer is arranged to ensure that the mixture in the molten state is mixed more fully.

In a further technical scheme, storage device is including storing the cavity, the third feed inlet is located storing the top of cavity, third feed inlet department is equipped with the fifth valve, the third discharge gate is located storing the bottom of cavity, third discharge gate department is equipped with the sixth valve, storing the interior bottom and the inside wall of cavity and being equipped with the heating net respectively, storing the bottom of cavity and being equipped with ejection of compact cavity, be equipped with the second auger spiral in the ejection of compact cavity, one side of ejection of compact cavity is equipped with the opening.

The asphalt is stored in the storage cavity for a long time and becomes solid due to temperature reduction, when a small amount of asphalt needs to be taken out, the sixth valve is opened, the heating net at the bottom of the storage cavity heats the asphalt to be more than 150 ℃, the asphalt at the bottom falls into the discharging cavity under the action of gravity, the second auger of the discharging cavity works in a spiral mode to uniformly discharge the asphalt from the opening, and when a large amount of asphalt needs to be taken out, the heating net on the side wall of the storage cavity works to accelerate the heating speed of the asphalt in the storage cavity and increase the discharging amount; storage device has the convenient pitch of taking out through above-mentioned scheme, reduces energy loss's advantage simultaneously.

In a further technical scheme, the inner side wall of the storage chamber is provided with a plurality of heating nets, and all the heating nets on the inner side wall of the storage chamber are distributed at equal intervals.

Set up on the storage chamber inside wall through the equidistant heating net, can be according to the demand of pitch how much, the heating net on the corresponding lateral wall of opening satisfies the load and reduces energy loss simultaneously.

The invention has the beneficial effects that:

1. by adopting the technical scheme, the invention has the advantages that the waste asphalt can be recycled and mixed with new materials to produce the asphalt which can be used in industry, and the energy consumption is reduced;

2. the drying and crushing device can fully crush the waste asphalt by the structure, so that the influence on the subsequent processes is avoided;

3. gaps between two rotating rods of the three crushers are sequentially reduced along the direction from the feeding hole to the valve, so that waste asphalt is conveniently cut step by step, and the waste asphalt is further ensured to be fully crushed;

4. after the first auger screw feeding is finished, the waste asphalt enters the inclined part and slides downwards under the action of gravity to play a buffering role;

5. the mixing device has the advantages that by adopting the structure, the waste asphalt and the new material can be fully mixed, and the influence on the subsequent processes is avoided;

6. a stirrer is arranged to ensure that the mixture in a molten state is mixed more fully;

7. the storage device has the advantages that the asphalt is convenient to take out and the energy loss is reduced simultaneously through the scheme;

8. the heating nets are arranged on the inner side wall of the storage chamber at equal intervals, so that the heating nets on the side wall can be correspondingly opened according to the quantity of the asphalt required, and the discharge quantity is met while the energy loss is reduced.

Drawings

FIG. 1 is a schematic view of the overall construction of an asphalt recycling apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a drying and crushing device according to an embodiment of the present invention;

FIG. 3 is a schematic view of a portion of a crusher according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a mixing device according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a mixing chamber according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a storage device according to an embodiment of the invention.

Description of the reference numerals:

10. a barrel body; 11. a delivery channel; 111. a horizontal portion; 112. an inclined portion; 12. a first auger screw; 13. a hot air blower; 14. a first valve; 15. a first conveyor belt; 20. a crusher; 21. a rotating rod; 22. cutting; 30. a heating chamber; 31. a second valve; 40. a mixing chamber; 41. a third valve; 42. a fourth valve; 43. an inner barrel; 44. a stirrer; 45. a first motor; 46. a second conveyor belt; 50. a pipeline; 51. a seal ring; 60. a storage chamber; 61. a fifth valve; 62. a sixth valve; 63. heating the net; 70. a discharge chamber; 71. the second auger is spiral; 72. a second motor.

Detailed Description

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

Example (b):

as shown in fig. 1, an asphalt recycling device includes a drying and crushing device, a mixing device and a storage device, the drying and crushing device has a first feeding port and a first discharging port, the mixing device has a second discharging port and a second feeding port, the storage device includes a third discharging port and a third feeding port, the bottom of the first discharging port is connected with the second feeding port through a first conveying belt 15, and the bottom of the second discharging port is connected with the third feeding port through a second conveying belt 46.

The working principle of the technical scheme is as follows:

waste asphalt gets into stoving breaker from first feed inlet, and stoving breaker handles the back of accomplishing, gets into first conveyer belt 15 from first discharge gate and gets into mixing arrangement through the second feed inlet, and mixing arrangement gets into second conveyer belt 46 from the second discharge gate after with waste asphalt and new material intensive mixing and gets into storage device through the third feed inlet, when needs use pitch, open the third discharge gate can.

In the embodiment, by adopting the technical scheme, the method has the advantages that the waste asphalt can be recycled and mixed with new materials, the asphalt of the mixture which can be put into industrial use is produced, and the energy consumption is reduced.

In another embodiment, as shown in fig. 2 to 3, the drying and crushing device includes a barrel 10, a conveying channel 11 is disposed inside the barrel 10, the first feeding port is communicated with the conveying channel 11 and located at the top of the barrel 10, an auger screw is disposed in the conveying channel 11, a hot air blower 13 is disposed on one side of the conveying channel 11, an air outlet direction of the hot air blower 13 is the same as a conveying direction of the conveying channel 11, a crusher 20 is further disposed in the barrel 10, the crusher 20 includes two rotating rods 21 horizontally disposed inside the barrel 10, a plurality of cutters 22 are disposed on the two rotating rods 21, a discharging port is disposed at the bottom of the barrel 10, and a first valve 14 is disposed at the first discharging port.

In the embodiment, waste asphalt is fed into a conveying channel 11 of a barrel body 10 from a feeding hole, a first auger screw 12 rotates to feed, meanwhile, a hot air fan 13 works to evaporate water on the surface of the waste asphalt in the first auger screw 12, the dried waste asphalt enters a crusher 20, a rotating rod 21 of the crusher 20 rotates to drive a cutting knife 22 to rotate to cut the waste asphalt, and finally a first valve 14 at the bottom of the barrel body 10 is opened, and the cut waste asphalt enters the next process under the action of gravity; drying and crushing device can fully crush waste asphalt through the structure, and avoids subsequent processes from being influenced.

In another embodiment, as shown in fig. 2, the number of the crushers 20 is three, and the gaps between the two rotating rods 21 of three crushers 20 decrease in sequence from the feed port to the valve.

In this embodiment, the cutters 22 are arranged on the rotating rod 21 in a staggered manner, thereby further ensuring sufficient crushing of the waste asphalt.

In this embodiment, the clearance between two bull sticks 21 through three breaker 20 reduces along the direction of feed inlet to valve in proper order, is convenient for cut waste asphalt step by step, and further guarantee fully to break waste asphalt.

In another embodiment, as shown in fig. 2, the conveyor channel 11 comprises a horizontal part 111 and an inclined part 112, the first auger screw 12 being located in the horizontal part 111, the discharge opening of the inclined part 112 being located at the top of the crusher 20.

In the embodiment, the included angle between the inclined part 112 and the horizontal plane is 15-45 degrees, and the included angle between the inclined part 112 and the horizontal plane is 15-45 degrees, so that the waste asphalt can conveniently slide downwards under the action of gravity, and the accumulation or the over-high sliding speed can be avoided.

In this embodiment, after the feeding of first auger screw 12 is finished, the waste asphalt enters inclined portion 112, and depends on the effect of gravity to slide downwards, plays the effect of buffering.

In another embodiment, as shown in fig. 4 to 5, the mixing device includes a heating chamber 30 and a mixing chamber 40, the heating chamber 30 is located at the top of the mixing chamber 40, the second feeding port is located at the top of the heating chamber 30, a feeding port is further provided at the top of the heating chamber 30, a heater is provided in the heating chamber 30, a first through port is provided at the bottom of the heating chamber 30, a second valve 31 is provided at the first through port, a second through port is provided at the top of the mixing chamber 40, a third valve 41 is provided at the second through port, a fourth valve 42 is provided at the second discharging port, the first through port is connected to the second through port through a pipe 50, the cross section of the mixing chamber 40 is circular, an inner cylinder 43 is rotatably connected to the mixing chamber 40, the outer wall of the inner cylinder 43 is matched with the inner wall of the mixing chamber 40, the top and the bottom of the inner cylinder 43 are respectively communicated with the second port and the second discharge hole, and a power device for driving the inner cylinder 43 to rotate is further arranged in the mixing chamber 40.

In this embodiment, the duct 50 is a closed structure to prevent the toxic gas and the mixture in a molten state from overflowing from the duct 50.

In this embodiment, the connection between the pipe 50 and the first and second ports is provided with a sealing ring 51 to prevent the mixture of gas and molten state from overflowing from the connection of the pipe 50.

In this embodiment, the first conveyor 15 sends the crushed waste asphalt to the heating chamber 30, and then pours the new material into the heating chamber 30 from the feeding port, the heater heats and melts the crushed waste asphalt and the new material to form a molten mixture, the second valve 31 and the third valve 41 are opened, the molten mixture flows into the mixing chamber 40 from the pipeline 50 by gravity, the third valve 41 is closed, the inner cylinder 43 of the mixing chamber 40 rotates to fully mix the molten mixture, the fourth valve 42 is opened, and the stirred mixture flows out from the second discharging port by gravity to enter the next process; mixing arrangement has the ability intensive mixing abandonment pitch and new material through above-mentioned structure, avoids the advantage that subsequent handling receives the influence.

In another embodiment, as shown in fig. 5, the mixing chamber 40 is provided with a stirrer 44 along the axial direction, and the mixing chamber 40 is further provided with a motor, and the output shaft of the motor is connected with the stirrer 44.

In this embodiment, the motor is the first motor 45, and is a variable frequency motor, and the feeding speed can be adjusted.

In this embodiment, the stirrer 44 is provided to ensure more thorough mixing of the mixture in the molten state.

In another embodiment, as shown in fig. 6, the storage device includes a storage chamber 60, the third feeding port is located at the top of the storage chamber 60, a fifth valve 61 is disposed at the third feeding port, the third discharging port is located at the bottom of the storage chamber 60, a sixth valve 62 is disposed at the third discharging port, the inner bottom and the inner side wall of the storage chamber 60 are respectively provided with a heating net 63, the bottom of the storage chamber 60 is provided with a discharging chamber 70, a second auger screw 71 is disposed in the discharging chamber 70, and one side of the discharging chamber 70 is provided with an opening.

In this embodiment, the power device of the second auger screw 71 is a second motor 72, and the second motor 72 is a variable frequency motor for adjusting the feeding speed.

In the embodiment, the asphalt is stored in the storage chamber 60 for a long time and becomes solid due to temperature reduction, when a small amount of asphalt needs to be taken out, the sixth valve 62 is opened, the heating net 63 at the bottom of the storage chamber 60 heats the asphalt to more than 150 ℃, the asphalt at the bottom drops into the discharging chamber 70 under the action of gravity, the second auger screw 71 of the discharging chamber 70 works to uniformly send the asphalt out from the opening, and when a large amount of asphalt needs to be taken out, the heating net 63 on the side wall of the storage chamber 60 works to accelerate the heating speed of the asphalt in the storage chamber 60 and increase the discharging amount; storage device has the convenient pitch of taking out through above-mentioned scheme, reduces energy loss's advantage simultaneously.

In another embodiment, as shown in fig. 6, the inner side wall of the storage chamber is provided with a plurality of heating nets 63, and all the heating nets 63 on the inner side wall of the storage chamber 60 are equally spaced.

In this embodiment, set up on storage cavity 60 inside wall through heating net 63 equidistant, can be according to the demand of pitch how much, the corresponding heating net 63 on the opening lateral wall, satisfy the load and reduce energy loss simultaneously.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The asphalt recycling equipment is characterized by comprising a drying and crushing device, a mixing device and a storage device, wherein the drying and crushing device is provided with a first feeding hole and a first discharging hole, the mixing device is provided with a second discharging hole and a second feeding hole, the storage device comprises a third discharging hole and a third feeding hole, the bottom of the first discharging hole is connected with the second feeding hole through a first conveying belt, and the bottom of the second discharging hole is connected with the third feeding hole through a second conveying belt;

the drying and crushing device comprises a barrel body, a conveying channel is arranged in the barrel body, a first feed inlet is communicated with the conveying channel and is positioned at the top of the barrel body, a first auger screw is arranged in the conveying channel, an air heater is arranged on one side of the conveying channel, the air outlet direction of the air heater is the same as the conveying direction of the conveying channel, a crusher is further arranged in the barrel body and comprises two rotating rods which are horizontally arranged in the barrel body, a plurality of cutting knives are respectively arranged on the two rotating rods, a discharge outlet is formed in the bottom of the barrel body, and a first valve is arranged at the first discharge outlet;

the number of the crushers is three, and gaps between two rotating rods of the three crushers are sequentially reduced along the direction from the feeding hole to the valve;

the conveying channel comprises a horizontal part and an inclined part, the first auger is positioned in the horizontal part, and a discharge port of the inclined part is positioned at the top of the crusher;

the mixing device comprises a heating cavity and a mixing cavity, the heating cavity is positioned at the top of the mixing cavity, the second feed inlet is positioned at the top of the heating cavity, the top of the heating cavity is also provided with a feed inlet, the heating cavity is internally provided with a heater, the bottom of the heating cavity is provided with a first through hole, the first through hole is provided with a second valve, the top of the mixing cavity is provided with a second through hole, the second through hole is provided with a third valve, the second discharge hole is positioned at the bottom of the mixing cavity, the second discharge hole is provided with a fourth valve, the first through hole is connected with the second through hole through a pipeline, the cross section of the mixing cavity is circular, the mixing cavity is internally and rotatably connected with an inner cylinder, the outer wall of the inner cylinder is matched with the inner wall of the mixing cavity, and the top and the bottom of the inner cylinder are respectively communicated with the second through hole and the second discharge hole, a power device for driving the inner barrel to rotate is further arranged in the mixing cavity;

the axis direction of mixing chamber is equipped with the agitator, mixing chamber still is equipped with the motor, the output shaft of motor with the agitator is connected.

2. The asphalt recycling device according to claim 1, wherein the storage device comprises a storage chamber, the third feeding port is located at the top of the storage chamber, a fifth valve is arranged at the third feeding port, the third discharging port is located at the bottom of the storage chamber, a sixth valve is arranged at the third discharging port, heating nets are respectively arranged at the inner bottom and the inner side wall of the storage chamber, a discharging chamber is arranged at the bottom of the storage chamber, a second auger screw is arranged in the discharging chamber, and an opening is arranged at one side of the discharging chamber.

3. An asphalt recycling apparatus according to claim 2, wherein the inner side wall of the storage chamber is provided with a plurality of heating nets, and all the heating nets located on the inner side wall of the storage chamber are distributed at equal intervals.