CN211285144U - Asphalt mixture production equipment - Google Patents
Asphalt mixture production equipment Download PDFInfo
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- CN211285144U CN211285144U CN201922056333.7U CN201922056333U CN211285144U CN 211285144 U CN211285144 U CN 211285144U CN 201922056333 U CN201922056333 U CN 201922056333U CN 211285144 U CN211285144 U CN 211285144U
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Abstract
An asphalt mixture production device comprises a processing bin, a first stirring bin, a second stirring bin, a blending box and a heating device; the top of the processing bin is provided with a first feeding hole, and the first stirring bin is arranged inside the processing bin; the processing bin is provided with a second feeding hole; the blending box is arranged at the bottom of the processing bin; pipelines for discharging materials to the blending box are arranged on the first stirring bin and the second stirring bin; the processing bin is provided with a first driving device and a second driving device; the heating device is arranged inside the processing bin; a plurality of blowing devices are arranged on the processing bin; a first water cooling device and a second water cooling device are arranged on the shell of the processing bin; in the utility model, the heating device generates heat, the blowing device is used for transferring the heat in the processing bin, the aggregate is not directly heated, and the phenomenon of excessive aging caused by heating is avoided; meanwhile, the utility model utilizes the water cooling device to control the temperature; the temperature control is more accurate, and the stirring effect is better.
Description
Technical Field
The utility model relates to an asphalt mixture production field especially relates to an asphalt mixture production facility.
Background
The asphalt mixture is a composite material, mainly comprising asphalt, coarse aggregate, fine aggregate, mineral powder, and optionally polymer and wood cellulose; the materials with different qualities and quantities are mixed to form different structures and have different mechanical properties; the asphalt pavement has the advantages that the design and service life are prolonged, the integrity of the asphalt pavement cannot meet the road requirement, but the waste materials are recycled, namely the asphalt mixture still has high utilization value, the asphalt regeneration technology can enable the raw materials to meet the pavement design requirement again, the mass production cost can be saved, and the sustainable development is realized. The plant-mixed thermal regeneration technology is a production mode which is most widely applied in an asphalt regeneration process, the quality of asphalt mixture required by different pavement grades is realized by mixing primary aggregate and regenerated asphalt pavement aggregate in the existing plant-mixed thermal regeneration technology, the thickness of the milled RAP aggregate in the market is generally less than 20mm, and the requirements of high-grade pavements on grading cannot be met due to the viscosity problem and the aging problem of heating of the RAP aggregate.
In order to solve the problems, the application provides an asphalt mixture production device.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In order to solve the problems existing in the background art that the milled RAP aggregate on the market is generally below 20mm, because the viscosity problem and the heating aging problem of the RAP aggregate cannot be finely classified like the primary aggregate, the technical problem that the requirement of a high-grade pavement for grading is difficult to meet is solved, the utility model provides asphalt mixture production equipment, the utility model discloses a heat is generated through a heating device, a blowing device is used for transferring the heat in a processing bin, the aggregate is not directly heated, and the phenomenon of excessive aging caused by heating is avoided; meanwhile, the utility model utilizes the water cooling device to control the temperature; the temperature control is more accurate, and the stirring effect is better.
(II) technical scheme
In order to solve the problems, the utility model provides an asphalt mixture production device, which comprises a processing bin, a first stirring bin, a second stirring bin, a mixing box and a heating device;
the top of the processing bin is provided with a first feeding hole, and the first stirring bin is arranged inside the processing bin; the first feeding hole is in conduction connection with the first stirring bin; the processing bin is provided with a second feeding hole, the second stirring bin is arranged in the processing bin, and the second stirring bin is positioned at the lower right part of the first stirring bin; the second feed inlet is in conduction connection with the second stirring bin; the blending box is arranged at the bottom of the processing bin; pipelines for discharging materials to the blending box are arranged on the first stirring bin and the second stirring bin; the pipelines are provided with electromagnetic valves; the discharge pipe is arranged at the bottom of the processing bin and is in conduction connection with the blending box;
the processing bin is provided with a first driving device and a second driving device; the first driving device drives the first stirring bin and the blending box to stir; the second driving device drives the second stirring bin to stir; the heating device is arranged inside the processing bin; the processing bin is provided with a plurality of blowing devices, and the blowing devices blow air towards the inside of the processing bin; a first water cooling device and a second water cooling device are arranged on the shell of the processing bin; the first water cooling device and the second water cooling device have the same structure; the first water cooling device is in contact with the shell of the first stirring bin to cool the first stirring bin; the second water cooling device is in contact with the shell of the blending box to cool the blending box.
Preferably, the inside of the first stirring bin is a rotating bin, and the outside of the first stirring bin is an outer shell; the middle part of the rotating bin is provided with a guide rail which protrudes out of the outer shell; the guide rail is provided with a tooth part for transmission; a plurality of raised stirrers are arranged in the first stirring bin.
Preferably, the second stirring bin has the same structure as the first stirring bin.
Preferably, the installation bin is internally provided with an installation seat; the output end of the first driving device is provided with a transmission shaft, and the transmission shaft extends into the mounting bin and is inserted into the mounting seat; a transmission gear is arranged on the transmission shaft; a transmission rod is arranged on the mounting seat, a rotating shaft is arranged at the top of the transmission rod, and the bottom of the transmission rod extends into the blending box; the transmission gear is in meshed transmission connection with the rotating shaft; the axle center of the transmission gear is provided with a rolling wheel which is in meshed transmission connection with the tooth part on the guide rail.
Preferably, the output end of the second driving device is provided with a transmission shaft, and the transmission shaft drives the rolling wheel on the second stirring bin to rotate.
Preferably, the mixing box is internally provided with a stirring blade which is arranged at the bottom of the transmission rod.
Preferably, all be provided with infrared temperature detection module on the shell of first stirring storehouse, second stirring storehouse and mixing case, infrared temperature detection module is connected with the control machine case communication of control processing storehouse work.
Preferably, the first water cooling device is provided with a water inlet pipe, a water outlet pipe, a mounting plate and a heat exchange piece; one end of the water inlet pipe is connected with a water source, and the other end of the water inlet pipe is inserted into the mounting plate; a spiral heat exchange tube is arranged in the mounting plate; the tail end of the heat exchange tube is connected with a water outlet tube; the heat exchange member is arranged on the mounting plate.
Preferably, the bottom of the processing bin is provided with supporting legs, and the supporting legs are 3-5m higher than the ground.
The above technical scheme of the utility model has following profitable technological effect: in the utility model, the heating device is started to preheat the whole processing bin; carrying out planning, milling and crushing on the RAP aggregate, and then carrying out primary coarse screening; dividing RAP aggregate into 0-3mmRAP aggregate, 3-5mmRAP aggregate and more than 5mmRAP aggregate; then, 0-3mm of RAP aggregate and pure asphalt are put into a first stirring bin from a first feeding hole; meanwhile, throwing the RAP aggregate larger than 5mmRAP into a second stirring bin through a second feeding hole; respectively starting a first driving device and a second driving device to stir the materials; the blowing device blows heat generated by the heating device towards the interior of the processing bin, and the second stirring bin is close to the heating device and has the highest temperature; maintaining the temperature of the second stirring bin at 170 ℃, and fully stirring the aggregate more than 5 mmRAP; cooling to 150 ℃, adding 3-5mmRAP aggregate and continuously stirring; keeping the temperature of the first stirring bin at 130 ℃, fully mixing the pure asphalt with 0-3mmRAP aggregate, extracting the residual asphalt of the 0-3mmRAP aggregate, and simultaneously mixing the extracted residual asphalt with the pure asphalt to obtain liquid; after mixing, sending the mixture into a mixing box through a pipeline; 3-5mmRAP aggregate after the stirring in the second stirring bin and aggregate larger than 5mmRAP are sent into a blending box through a pipeline, and are stirred by a transmission rod and a stirring blade in the blending box to be fully blended; the product is discharged out of the device from the discharge pipe; in the utility model, the heating device generates heat, the blowing device is used for transferring the heat in the processing bin, the aggregate is not directly heated, and the phenomenon of excessive aging caused by heating is avoided; meanwhile, the utility model utilizes the water cooling device to control the temperature; the temperature control is more accurate, and the stirring effect is better.
Drawings
Fig. 1 is a schematic structural diagram of the asphalt mixture production equipment provided by the utility model.
Fig. 2 is the internal structure schematic diagram of the first stirring bin in the asphalt mixture production equipment provided by the utility model.
Fig. 3 is the internal structure schematic diagram of the mounting seat in the asphalt mixture production equipment provided by the utility model.
Fig. 4 is a schematic structural diagram of the first water cooling device in the asphalt mixture production equipment provided by the utility model.
Reference numerals: 1. a first feed port; 2. a first water cooling device; 3. a water inlet pipe; 4. a water outlet pipe; 5. a blowing device; 6. a second water cooling device; 7. mounting a plate; 8. a heat exchange member; 9. supporting legs; 10. a discharge pipe; 11. a blending box; 12. a stirring blade; 13. a second stirring bin; 14. a heating device; 15. a second driving device; 16. a second feed port; 17. a first driving device; 18. a drive shaft; 181. a transmission gear; 182. a rotating shaft; 183. a transmission rod; 184. a rolling wheel; 19. a first stirring bin; 191. rotating the bin; 192. an outer housing; 193. a guide rail; 194. a stirrer; 195. a tooth portion; 20. and (7) mounting a seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the utility model provides an asphalt mixture production device, which comprises a processing bin, a first stirring bin 19, a second stirring bin 13, a blending box 11 and a heating device 14;
the top of the processing bin is provided with a first feeding hole 1, and a first stirring bin 19 is arranged inside the processing bin; the first feeding hole 1 is in conduction connection with the first stirring bin 19; the processing bin is provided with a second feeding hole 16, the second stirring bin 13 is arranged in the processing bin, and the second stirring bin 13 is positioned at the lower right part of the first stirring bin 19; the second feeding hole 16 is in conduction connection with the second stirring bin 13; the blending box 11 is arranged at the bottom of the processing bin; pipelines for discharging materials to the blending box 11 are arranged on the first stirring bin 19 and the second stirring bin 13; the pipelines are provided with electromagnetic valves; the discharge pipe 10 is arranged at the bottom of the processing bin, and the discharge pipe 10 is communicated with the blending box 11;
the processing bin is provided with a first driving device 17 and a second driving device 15; the first driving device 17 drives the first stirring bin 19 and the blending box 11 to stir; the second driving device 15 drives the second stirring bin 13 to stir; the heating device 14 is arranged inside the processing bin; the processing bin is provided with a plurality of air blowing devices 5, and the air blowing devices 5 blow air towards the inside of the processing bin; a first water cooling device 2 and a second water cooling device 6 are arranged on the shell of the processing bin; the first water cooling device 2 and the second water cooling device 6 have the same structure; the first water cooling device 2 is in contact with the shell of the first stirring bin 19 to cool the first stirring bin 19; the second water cooling device 6 is in contact with the shell of the blending box 11 to cool the blending box 11.
In the utility model, the heating device 14 is firstly started to preheat the whole processing bin; carrying out planning, milling and crushing on the RAP aggregate, and then carrying out primary coarse screening; dividing RAP aggregate into 0-3mmRAP aggregate, 3-5mmRAP aggregate and more than 5mmRAP aggregate; then 0-3mm RAP aggregate and pure asphalt are put into a first stirring bin 19 from a first feeding hole 1; meanwhile, throwing the RAP aggregate larger than 5mmRAP into the second stirring bin 13 through the second feeding hole 16; respectively starting the first driving device 17 and the second driving device 15 to stir the materials; the blowing device 5 blows heat generated by the heating device 14 towards the interior of the processing bin, and the second stirring bin 13 is close to the heating device and has the highest temperature; the temperature of the second stirring bin 13 is maintained at 170 ℃, and aggregates with the weight of more than 5mmRAP are fully stirred; cooling to 150 ℃, adding 3-5mmRAP aggregate and continuously stirring; the temperature of the first stirring bin 19 is maintained at 130 ℃, pure asphalt and 0-3mmRAP aggregate are fully mixed, and at the moment, residual asphalt of 0-3mmRAP aggregate is extracted and is mixed with the pure asphalt to form liquid; after mixing, the mixture is sent into a mixing box 11 through a pipeline; 3-5mmRAP aggregate after being stirred by the second stirring bin 13 and aggregate larger than 5mmRAP are conveyed into the blending box 11 through a pipeline, and are stirred by the transmission rod 183 and the stirring blades 12 in the blending box 11 to be fully blended; the product is discharged from the device through the discharge pipe 10; in the utility model, the heating device 14 generates heat, the blowing device 5 is used for transferring the heat in the processing bin, the aggregate is not directly heated, and the phenomenon of excessive aging caused by heating is avoided; meanwhile, the utility model utilizes the water cooling device to control the temperature; the temperature control is more accurate, and the stirring effect is better.
In an alternative embodiment, the first stirring chamber 19 has a rotating chamber 191 inside and an outer housing 192 outside; a guide rail 193 is arranged in the middle of the rotating bin 191, and the guide rail 193 protrudes out of the outer shell 192; a tooth part 195 for transmission is arranged on the guide rail 193; a plurality of raised agitators 194 are disposed inside the first stirring chamber 19.
It should be noted that the raised stirrer 194 can make the materials in the stirring bin mix more uniformly.
In an alternative embodiment, second mixing silo 13 is identical in structure to first mixing silo 19.
In an alternative embodiment, the interior of the mounting bin is provided with a mounting seat 20; the output end of the first driving device 17 is provided with a transmission shaft 18, and the transmission shaft 18 extends into the mounting bin and is inserted into the mounting seat 20; the transmission shaft 18 is provided with a transmission gear 181; a transmission rod 183 is arranged on the mounting seat 20, a rotating shaft 182 is arranged at the top of the transmission rod 183, and the bottom of the transmission rod 183 extends into the blending box 11; the transmission gear 181 is in meshed transmission connection with the rotating shaft 182; the axle center of the transmission gear 181 is provided with a rolling wheel 184, and the rolling wheel 184 is engaged and connected with the tooth part 195 on the guide rail 193 in a transmission manner.
It should be noted that the first driving device 17 drives the transmission shaft 18 to rotate; a transmission gear 181 on the transmission shaft 18 drives the rotating shaft 182 and the transmission rod 183 to rotate; the mixing tank 11 is internally provided with a stirring blade 12, and the stirring blade 12 is arranged at the bottom of the transmission rod 183; the stirring vanes 12 are driven by the transmission rod 183; the rolling wheel 184 is arranged on the axle center of the transmission gear 181, the transmission gear 181 drives the rolling wheel 184 to rotate automatically when rotating, and the rolling wheel 184 is meshed with the tooth part 195 on the guide rail 193, so that the whole rotating bin 191 is driven to rotate, and the purpose of uniformly mixing materials in the stirring bin is achieved.
In an alternative embodiment, the output end of the second driving device 15 is provided with a transmission shaft 18, and the transmission shaft 18 drives the rolling wheel 184 on the second stirring bin 13 to rotate.
In an optional embodiment, infrared temperature detection modules are arranged on the shells of the first stirring bin 19, the second stirring bin 13 and the blending box 11, and the infrared temperature detection modules are in communication connection with a control cabinet for controlling the operation of the processing bin.
It is convenient to monitor the temperatures of the first stirring bin 19, the second stirring bin 13 and the kneading tank 11, and control the heating value of the heating device 14 and the circulating water amount of the water cooling device, thereby controlling the temperatures to be kept stable.
In an alternative embodiment, the first water cooling device 2 is provided with a water inlet pipe 3, a water outlet pipe 4, a mounting plate 7 and a heat exchange piece 8; one end of the water inlet pipe 3 is connected with a water source, and the other end of the water inlet pipe is inserted into the mounting plate 7; a spiral heat exchange tube is arranged in the mounting plate 7; the tail end of the heat exchange tube is connected with a water outlet tube 4; the heat exchanger 8 is arranged on the mounting plate 7.
In an alternative embodiment, the bottom of the processing bin is provided with supporting feet 9, and the supporting feet 9 are 3-5m higher than the ground.
It should be noted that the height of the support leg 9 is high, and the transportation vehicle can be directly stopped below the discharge pipe 10, so that the asphalt is convenient to transport.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. The asphalt mixture production equipment is characterized by comprising a processing bin, a first stirring bin (19), a second stirring bin (13), a blending box (11) and a heating device (14);
the top of the processing bin is provided with a first feeding hole (1), and a first stirring bin (19) is arranged inside the processing bin; the first feed inlet (1) is in conduction connection with the first stirring bin (19); a second feeding hole (16) is formed in the processing bin, the second stirring bin (13) is arranged in the processing bin, and the second stirring bin (13) is positioned at the lower right part of the first stirring bin (19); the second feeding hole (16) is communicated with the second stirring bin (13); the blending box (11) is arranged at the bottom of the processing bin; pipelines for discharging materials to the blending box (11) are arranged on the first stirring bin (19) and the second stirring bin (13); the pipelines are provided with electromagnetic valves; the discharge pipe (10) is arranged at the bottom of the processing bin, and the discharge pipe (10) is communicated with the blending box (11);
the processing bin is provided with a first driving device (17) and a second driving device (15); the first driving device (17) drives the first stirring bin (19) and the blending box (11) to stir; the second driving device (15) drives the second stirring bin (13) to stir; the heating device (14) is arranged inside the processing bin; the processing bin is provided with a plurality of blowing devices (5), and the blowing devices (5) blow air towards the inside of the processing bin; a first water cooling device (2) and a second water cooling device (6) are arranged on the shell of the processing bin; the first water cooling device (2) and the second water cooling device (6) have the same structure; the first water cooling device (2) is in contact with the shell of the first stirring bin (19) to cool the first stirring bin (19); the second water cooling device (6) is in contact with the shell of the blending box (11) to cool the blending box (11).
2. The asphalt mixture production plant according to claim 1, wherein the first mixing silo (19) is internally provided with a rotating silo (191) and externally provided with an outer shell (192); a guide rail (193) is arranged in the middle of the rotating bin (191), and the guide rail (193) protrudes out of the outer shell (192); a tooth part (195) for transmission is arranged on the guide rail (193); a plurality of raised stirrers (194) are arranged inside the first stirring bin (19).
3. The asphalt mixture production plant according to claim 1, wherein the second mixing silo (13) is structurally identical to the first mixing silo (19).
4. An asphalt mixture producing plant according to claim 1, characterized in that the inside of the installation bin is provided with an installation seat (20); the output end of the first driving device (17) is provided with a transmission shaft (18), and the transmission shaft (18) extends into the mounting bin and is inserted into the mounting seat (20); a transmission gear (181) is arranged on the transmission shaft (18); a transmission rod (183) is arranged on the mounting seat (20), a rotating shaft (182) is arranged at the top of the transmission rod (183), and the bottom of the transmission rod (183) extends into the blending box (11); the transmission gear (181) is in meshed transmission connection with the rotating shaft (182); the axle center of the transmission gear (181) is provided with a rolling wheel (184), and the rolling wheel (184) is meshed and in transmission connection with the tooth part (195) on the guide rail (193).
5. The asphalt mixture production plant according to claim 1, wherein the output end of the second driving device (15) is provided with a transmission shaft (18), and the transmission shaft (18) drives the rolling wheel (184) on the second stirring bin (13) to rotate.
6. The asphalt mixture production plant according to claim 4, wherein the mixing tank (11) is internally provided with a stirring blade (12), and the stirring blade (12) is arranged at the bottom of the transmission rod (183).
7. The asphalt mixture production equipment according to claim 1, wherein the shells of the first stirring bin (19), the second stirring bin (13) and the blending box (11) are all provided with infrared temperature detection modules, and the infrared temperature detection modules are in communication connection with a control cabinet for controlling the processing bin to work.
8. The asphalt mixture production plant according to claim 1, wherein the first water cooling device (2) is provided with a water inlet pipe (3), a water outlet pipe (4), a mounting plate (7) and a heat exchange member (8); one end of the water inlet pipe (3) is connected with a water source, and the other end of the water inlet pipe is inserted into the mounting plate (7); a spiral heat exchange tube is arranged in the mounting plate (7); the tail end of the heat exchange tube is connected with a water outlet tube (4); the heat exchange member (8) is arranged on the mounting plate (7).
9. The asphalt mixture production plant according to claim 1, characterized in that the bottom of the processing bin is provided with supporting feet (9), and the supporting feet (9) are 3-5m higher than the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056333.7U CN211285144U (en) | 2019-11-25 | 2019-11-25 | Asphalt mixture production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056333.7U CN211285144U (en) | 2019-11-25 | 2019-11-25 | Asphalt mixture production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211285144U true CN211285144U (en) | 2020-08-18 |
Family
ID=72037838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922056333.7U Active CN211285144U (en) | 2019-11-25 | 2019-11-25 | Asphalt mixture production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211285144U (en) |
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2019
- 2019-11-25 CN CN201922056333.7U patent/CN211285144U/en active Active
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