CN115787400A - Highway pitch waste recycling pyrolysis device - Google Patents
Highway pitch waste recycling pyrolysis device Download PDFInfo
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- CN115787400A CN115787400A CN202211623692.6A CN202211623692A CN115787400A CN 115787400 A CN115787400 A CN 115787400A CN 202211623692 A CN202211623692 A CN 202211623692A CN 115787400 A CN115787400 A CN 115787400A
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- pyrolysis
- cylinder
- fixed
- pipe
- mixing
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 77
- 239000002699 waste material Substances 0.000 title claims abstract description 22
- 238000004064 recycling Methods 0.000 title claims abstract description 16
- 239000010426 asphalt Substances 0.000 claims abstract description 47
- 238000002156 mixing Methods 0.000 claims abstract description 44
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000012492 regenerant Substances 0.000 description 1
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Abstract
The invention discloses a pyrolysis device for recycling highway asphalt waste, which comprises: a mixing treatment cylinder; the feeding collecting hopper is arranged on one side end face of the mixing treatment cylinder; the crushing device is fixed below the feeding collecting hopper and is used for crushing the asphalt waste materials fed into the feeding collecting hopper, and the lower part of the crushing device is communicated with the mixing treatment barrel through a switching pipe; and a pyrolysis treatment device connected to one side of the mixing treatment cylinder.
Description
Technical Field
The invention belongs to the technical field of asphalt equipment, and particularly relates to a highway asphalt waste recycling and reusing pyrolysis device.
Background
At present, asphalt pavement materials have a certain service life, and the phenomena of deformation, cracking and the like can be generated in the later period, so that the asphalt pavement can not be normally used, the steps of adding a regenerant, heating and the like are generally adopted for recycling, and as aggregates in the regenerated asphalt are more, for some asphalt with poorer quality, new asphalt aggregates are required to be added again to improve the asphalt performance, and as the fluidity of the asphalt is poorer, when conventional pyrolysis mixing equipment is adopted, the asphalt is difficult to be completely mixed, and particularly, the asphalt at the bottom is easy to adhere and accumulate.
Accordingly, those skilled in the art have provided a recycling pyrolysis apparatus for road asphalt waste to solve the problems set forth in the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a highway pitch waste recycling pyrolysis device, it includes:
a mixing treatment cylinder;
the feeding collecting hopper is arranged on one side end face of the mixing treatment cylinder;
the crushing device is fixed below the feeding collecting hopper and is used for crushing the asphalt waste materials fed into the feeding collecting hopper, and the lower part of the crushing device is communicated with the mixing treatment barrel through a switching pipe; and
and the pyrolysis treatment device is connected to one side of the mixing treatment cylinder.
Further, preferably, the mixing treatment cartridge includes:
a heat-bearing cylinder;
the inner heating pipes are circumferentially distributed in the heat bearing cylinder;
the inner mixing roller is arranged in the heat bearing cylinder in a relatively rotating manner, a driving motor is arranged on the heat bearing cylinder, and the output end of the driving motor is fixed with the inner mixing roller;
the mixing pipe is vertically connected above the heat bearing cylinder; and
and the feeding pipe is connected and communicated below the heat bearing barrel in a switching way, and one end of the feeding pipe is communicated with the pyrolysis treatment device through an asphalt pump.
Further, preferably, the pyrolysis treatment apparatus includes:
the inner wall of the high-temperature pyrolysis cylinder is circumferentially embedded and fixed with a plurality of high-temperature heat pipes;
the circulation inner pipe is fixed in the high-temperature pyrolysis cylinder, and a plurality of inner flow hole cavities are formed in the circulation inner pipe;
the lower discharge pipe is connected below the high-temperature pyrolysis cylinder; and
and the internal extrusion drainage assembly is coaxially arranged in the high-temperature pyrolysis cylinder and is positioned in the middle of the circular inner pipe.
Preferably, a plurality of bypass pipes are connected to the outside of the high-temperature pyrolysis cylinder in a penetrating manner, one ends of the bypass pipes extend into and are fixed on the circulation inner pipe, the bypass pipes are correspondingly communicated with the inner flow hole cavity through one-way valves, and one ends of the bypass pipes are communicated with an external booster pump.
Further, preferably, the internal squeeze drainage assembly comprises:
the rotating shaft rod is vertically and relatively rotatably arranged in the high-temperature pyrolysis cylinder and is provided with a two-section type telescopic structure;
the rotating motor is fixed on the high-temperature pyrolysis cylinder, and the output end of the rotating motor is fixed with the rotating shaft rod;
the inner shaft disc is fixed at one end of the rotating shaft rod;
the fixed shaft collar is sleeved outside the inner shaft disc in a relatively rotating manner; and
the upper pressure rods are circumferentially distributed on the fixed shaft collar, one end of each upper pressure rod is fixed with the fixed shaft collar, the other end of each upper pressure rod is connected with an external driving cylinder, and a flow blocking sleeve is sleeved outside each upper pressure rod in the high-temperature pyrolysis cylinder.
Preferably, a plurality of expanding frames are arranged in the inner shaft disc in a sliding mode, the cross sections of the expanding frames are of arc structures, an inner spring is connected between each expanding frame and the inner shaft disc, inclined blocks are fixed on the expanding frames, pressing shafts are vertically arranged in the inner shaft disc in a sliding mode through telescopic guide rods, and the pressing shafts abut against and contact with the inclined blocks.
Further, it is preferable that a pyrolysis tube is provided on an outer periphery of each of the inner flow cavity.
Compared with the prior art, the invention has the beneficial effects that:
1. the mixing treatment cylinder arranged in the invention can be used for preliminary pyrolysis of asphalt waste, and new asphalt aggregate is mixed through the mixing pipe, so that asphalt mixing and blending can be realized
2. The pyrolysis treatment device provided by the invention can be used for secondary pyrolysis of the asphalt waste, and meanwhile, the asphalt mixing fluidity is improved, and the repairing and recycling effects are ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mixing treatment cartridge of the present invention;
FIG. 3 is a schematic view showing the structure of a pyrolysis treatment apparatus according to the present invention;
FIG. 4 is a schematic view of the internal extrusion drainage assembly of the present invention;
FIG. 5 is a schematic view of the structure of a pyrolysis tube according to the present invention;
in the figure: 1. feeding and collecting hopper; 11. a crushing device; 2. a mixing treatment cylinder; 21. a heat-bearing cylinder; 22. an internal heating pipe; 23. a mixing pipe; 24. an inner mixing roll; 25. a drive motor; 26. a feed pipe; 27. an asphalt pump; 3. a pyrolysis treatment device; 31. a high temperature pyrolysis cylinder; 32. a high temperature heat pipe; 33. an inner flow bore cavity; 34. a circulating inner pipe; 35. discharging the pipes; 36. a bypass pipe; 4. an inner extrusion drainage assembly; 41. a spindle rod; 42. a rotating electric machine; 43. an inner hub; 44. expanding and connecting the frame; 45. an inner spring; 46. a sloping block; 47. pressing the shaft; 48. a fixed collar; 49. a telescopic guide rod; 410. a flow blocking sleeve; 411. an upper pressure lever; 5. a pyrolysis tube; .
Detailed Description
Referring to fig. 1, in an embodiment of the present invention, a highway asphalt waste recycling pyrolysis apparatus is characterized in that: it comprises the following steps:
a mixing treatment cylinder 2;
the feeding collecting hopper 1 is arranged on one side end face of the mixing treatment cylinder 2;
the crushing device 11 is fixed below the feeding collecting hopper 1 and is used for crushing the asphalt waste materials fed into the feeding collecting hopper 1, and the lower part of the crushing device 11 is communicated with the mixing treatment cylinder 2 through a switching pipe 12; and
and the pyrolysis treatment device 3 is connected to one side of the mixing treatment cylinder 2, wherein the asphalt pyrolysis enters a first pyrolysis stage in the mixing treatment cylinder 2, namely the quality of the asphalt pyrolysis basically does not change from room temperature to 250 ℃, and the pyrolysis treatment device 3 can realize a subsequent pyrolysis stage of the asphalt mixture.
In this embodiment, the mixing treatment cartridge 2 includes:
a heat-receiving cylinder 21;
the internal heating pipes 22 are circumferentially distributed in the heat bearing cylinder 21;
the inner mixing roller 24 is arranged in the heat bearing cylinder 21 in a relatively rotating manner, a driving motor 25 is arranged on the heat bearing cylinder 21, and the output end of the driving motor 25 is fixed with the inner mixing roller 24; the preliminary pyrolysis mixing of the asphalt mixture can be realized, and the conveying is convenient;
the mixing pipe 23 is vertically connected above the heat bearing cylinder 21; and
and the feeding pipe 26 is communicated below the heat bearing barrel 21 in a switching way, and one end of the feeding pipe 26 is communicated with the pyrolysis treatment device 3 through an asphalt pump 27, so that the asphalt mixture is conveyed into the pyrolysis treatment device.
As a preferred embodiment, the pyrolysis treatment apparatus 3 includes:
a plurality of high-temperature thermal tubes 32 are circumferentially inserted and fixed into the inner wall of the high-temperature pyrolysis cylinder 31;
the circulation inner pipe 34 is fixed in the high-temperature pyrolysis cylinder 31, and a plurality of inner flow cavity cavities 33 are formed in the circulation inner pipe 34;
the lower discharging pipe 35 is connected below the high-temperature pyrolysis cylinder 31; and
and the inner extrusion drainage assembly 4 is coaxially arranged in the high-temperature pyrolysis cylinder 31 and is positioned in the middle of the circular inner pipe 34.
In this embodiment, a plurality of bypass pipes 36 are connected to the outside of the pyrolysis barrel 31 in a penetrating manner, one end of each bypass pipe 36 extends into and is fixed on the inner circulation pipe 34, the bypass pipes 36 are correspondingly communicated with the inner flow hole cavity 33 through one-way valves, one end of each bypass pipe 36 is communicated with an external feeding pump (not shown in the figure), and particularly, the bypass pipes can further achieve precise addition of new asphalt aggregates, and at the moment, the asphalt aggregates are uniformly conveyed into the inner flow hole cavities by the bypass pipes, so that the mixing effect is good, and the effect of pyrolysis and mixing of asphalt wastes into new materials can be effectively reflected in real time.
In this embodiment, the internal extrusion drainage assembly 4 includes:
the rotating shaft rod 41 is vertically and relatively rotatably arranged in the high-temperature pyrolysis cylinder 31, and the rotating shaft rod 41 is of a two-section telescopic structure;
the rotating motor 42 is fixed on the high-temperature pyrolysis cylinder 31, and the output end of the rotating motor 42 is fixed with the rotating shaft rod 41;
an inner hub 43 fixed to one end of the spindle shaft 41;
a fixed collar 48 which is sleeved outside the inner shaft disc 43 in a relatively rotatable manner; and
the upper pressure rods 411 are circumferentially distributed on the fixed collar 48, one end of each upper pressure rod 411 is fixed with the fixed collar 48, the other end of each upper pressure rod is connected with an external driving cylinder (not shown in the figure), and the high-temperature pyrolysis cylinder 31 is internally provided with a flow blocking sleeve 410 which is sleeved outside each upper pressure rod 411, namely the external driving cylinders can drive the upper pressure rods to vertically slide, so that the inner shaft disc is adjusted to axially displace.
In this embodiment, a plurality of expanding frames 44 are slidably disposed in the inner shaft disc 43, a cross section of each expanding frame 44 is an arc-shaped structure, an inner spring 45 is connected between each expanding frame 44 and the inner shaft disc 43, an inclined block 46 is fixed on each expanding frame 44, a pressing shaft 47 is vertically slidably disposed in the inner shaft disc 43 through a telescopic guide rod 49, the pressing shaft 47 abuts against each inclined block 46, and particularly, in use, the inner shaft disc is driven by an upper pressing rod to vertically slide downwards, at this time, the expanding frames can be supported on the inner shaft disc (as shown in fig. 5) by the pressing shaft, so as to press the asphalt mixture downwards, and at the same time, a rotating motor drives the inner shaft disc to rotate, so that the asphalt mixture below fully flows into each inner flow hole (fresh material can be dispensed through a bypass pipe), and then the expanding frames slidably retract inwards, the inner shaft disc slides upwards, and the asphalt mixture above the inner shaft disc can flow downwards from an annular drainage gap between the inner shaft disc and the circulation inner pipe, so that the asphalt mixture can be fully mixed.
As a preferred embodiment, each of the inner flow cavities 33 is circumferentially provided with a pyrolysis tube 5, and particularly, the high-temperature thermal power tube in the high-temperature pyrolysis cylinder can provide a second-stage temperature of asphalt pyrolysis from 250 ℃ to 425 ℃, and the pyrolysis tube can provide a third-stage temperature of asphalt pyrolysis from 425 ℃ to 53O ℃.
Specifically, pitch waste material accessible breaker carries out the breakage to preliminary pyrolysis is mixed in a mixed treatment section of thick bamboo, can carry new pitch aggregate by the compounding pipe internally this moment, and realize first stage pyrolysis, then carry out the second stage pyrolysis of pitch through high temperature thermodynamic pipe by pyrolysis treatment device, and the extrusion drainage subassembly flows intensive mixing to bituminous mixture in the cooperation, so that the deposit also can carry out the pyrolysis and mix in the pitch of bottom, and mixing effect is strong.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (7)
1. The utility model provides a highway pitch waste recycling pyrolysis device which characterized in that: it comprises the following steps:
a mixing treatment cylinder (2);
the feeding collecting hopper (1) is arranged on one side end face of the mixing treatment barrel (2);
the crushing device (11) is fixed below the feeding collecting hopper (1) and used for crushing the asphalt waste materials fed into the feeding collecting hopper (1), and the lower part of the crushing device (11) is communicated with the mixing treatment barrel (2) through a transfer pipe (12); and
and a pyrolysis treatment device (3) connected to one side of the mixing treatment cylinder (2).
2. The recycling and reusing pyrolysis device for road asphalt waste according to claim 1, characterized in that: the mixing treatment cartridge (2) comprises:
a heat-receiving cylinder (21);
the internal heating pipes (22) are circumferentially distributed in the heat bearing cylinder (21);
the inner mixing roller (24) is arranged in the heat bearing cylinder (21) in a relatively rotating manner, a driving motor (25) is installed on the heat bearing cylinder (21), and the output end of the driving motor (25) is fixed with the inner mixing roller (24);
the mixing pipe (23) is vertically connected above the heat bearing cylinder (21); and
and the feeding pipe (26) is communicated below the heat bearing barrel (21) in a switching way, and one end of the feeding pipe (26) is communicated with the pyrolysis treatment device (3) through an asphalt pump (27).
3. The recycling and reusing pyrolysis device for road asphalt waste according to claim 1, characterized in that: the pyrolysis treatment apparatus (3) includes:
a plurality of high-temperature thermal tubes (32) are embedded and fixed on the inner wall of the high-temperature pyrolysis cylinder (31) in the circumferential direction;
the circulation inner pipe (34) is fixed in the high-temperature pyrolysis cylinder (31), and a plurality of inner flow hole cavities (33) are formed in the circulation inner pipe (34);
the lower discharge pipe (35) is connected below the high-temperature pyrolysis cylinder (31); and
and the inner extrusion drainage assembly (4) is coaxially arranged in the high-temperature pyrolysis cylinder (31) and is positioned in the middle of the circular inner pipe (34).
4. The recycling and reusing pyrolysis device for road asphalt waste material according to claim 3, characterized in that: a plurality of bypass pipes (36) penetrate through the outside of the high-temperature pyrolysis cylinder (31), one ends of the bypass pipes (36) extend into and are fixed on the circulation inner pipe (34), the bypass pipes (36) are correspondingly communicated with the inner flow hole cavity (33) through one-way valves, and one ends of the bypass pipes (36) are communicated with an external booster pump.
5. The recycling and reusing pyrolysis device for the road asphalt waste material according to claim 3, characterized in that: the internal squeeze drainage assembly (4) comprises:
the rotating shaft rod (41) is vertically and relatively rotatably arranged in the high-temperature pyrolysis cylinder (31), and the rotating shaft rod (41) is of a two-section type telescopic structure;
the rotating motor (42) is fixed on the high-temperature pyrolysis cylinder (31), and the output end of the rotating motor (42) is fixed with the rotating shaft rod (41);
an inner hub (43) fixed to one end of the spindle shaft (41);
the fixed collar (48) is sleeved outside the inner shaft disc (43) in a relatively rotatable manner; and
the upper pressure rods (411) are circumferentially distributed on the fixed collar (48), one ends of the upper pressure rods (411) are fixed with the fixed collar (48), the other ends of the upper pressure rods (411) are connected with an external driving cylinder, and flow blocking sleeves (410) are sleeved outside the upper pressure rods (411) in the high-temperature pyrolysis cylinder (31).
6. The recycling and reusing pyrolysis device for road asphalt waste material according to claim 5, characterized in that: the inner shaft disc (43) is provided with a plurality of expanding frames (44) in a sliding mode, the cross sections of the expanding frames (44) are of arc-shaped structures, an inner spring (45) is connected between each expanding frame (44) and the inner shaft disc (43), inclined blocks (46) are fixed on the expanding frames (44), a pressing shaft (47) is vertically arranged in the inner shaft disc (43) in a sliding mode through a telescopic guide rod (49), and the pressing shaft (47) abuts against and contacts with the inclined blocks (46).
7. The recycling and reusing pyrolysis device for the road asphalt waste material according to claim 3, characterized in that: pyrolysis tubes (5) are arranged on the periphery of the inner flow hole cavity (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211623692.6A CN115787400B (en) | 2022-12-16 | 2022-12-16 | Highway pitch waste recycling pyrolysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211623692.6A CN115787400B (en) | 2022-12-16 | 2022-12-16 | Highway pitch waste recycling pyrolysis device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115787400A true CN115787400A (en) | 2023-03-14 |
| CN115787400B CN115787400B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211623692.6A Active CN115787400B (en) | 2022-12-16 | 2022-12-16 | Highway pitch waste recycling pyrolysis device |
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| Country | Link |
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| CN (1) | CN115787400B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001090018A (en) * | 1999-09-17 | 2001-04-03 | Niigata Eng Co Ltd | Mobile regenerative apparatus for asphalt waste material |
| EP1541224A2 (en) * | 2003-07-14 | 2005-06-15 | José Ramon Rey Gamallo | Agitator for chemical products contained in cans |
| KR100634225B1 (en) * | 2006-02-09 | 2006-10-16 | 인해엔지니어링(주) | Heating system waste ascon-ascon and constructing method using thereof |
| CN205529801U (en) * | 2016-04-22 | 2016-08-31 | 青海第三路桥建设有限公司 | Pitch recycled concrete processing equipment |
| US20170145642A1 (en) * | 2015-11-20 | 2017-05-25 | Astec Industries, Inc. | Asphalt production plant with pre-dryer assist |
| CN208201574U (en) * | 2018-03-20 | 2018-12-07 | 浙江威克新材料科技发展有限公司 | A kind of Novel anti-ageing color asphalt process units |
| CN110241682A (en) * | 2019-08-02 | 2019-09-17 | 马鞍山英维爱生态科技有限公司 | A kind of heating device of highway asphalt mixture |
| CN213181568U (en) * | 2020-10-14 | 2021-05-11 | 中冶路桥建设有限公司 | Portable bituminous mixture workability test device |
| CN216605077U (en) * | 2022-01-04 | 2022-05-27 | 中国港湾工程有限责任公司 | Asphalt recycled aggregate processingequipment |
| CN115075089A (en) * | 2022-05-30 | 2022-09-20 | 李艳 | Regeneration treatment device for asphalt concrete waste |
-
2022
- 2022-12-16 CN CN202211623692.6A patent/CN115787400B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001090018A (en) * | 1999-09-17 | 2001-04-03 | Niigata Eng Co Ltd | Mobile regenerative apparatus for asphalt waste material |
| EP1541224A2 (en) * | 2003-07-14 | 2005-06-15 | José Ramon Rey Gamallo | Agitator for chemical products contained in cans |
| KR100634225B1 (en) * | 2006-02-09 | 2006-10-16 | 인해엔지니어링(주) | Heating system waste ascon-ascon and constructing method using thereof |
| US20170145642A1 (en) * | 2015-11-20 | 2017-05-25 | Astec Industries, Inc. | Asphalt production plant with pre-dryer assist |
| CN205529801U (en) * | 2016-04-22 | 2016-08-31 | 青海第三路桥建设有限公司 | Pitch recycled concrete processing equipment |
| CN208201574U (en) * | 2018-03-20 | 2018-12-07 | 浙江威克新材料科技发展有限公司 | A kind of Novel anti-ageing color asphalt process units |
| CN110241682A (en) * | 2019-08-02 | 2019-09-17 | 马鞍山英维爱生态科技有限公司 | A kind of heating device of highway asphalt mixture |
| CN213181568U (en) * | 2020-10-14 | 2021-05-11 | 中冶路桥建设有限公司 | Portable bituminous mixture workability test device |
| CN216605077U (en) * | 2022-01-04 | 2022-05-27 | 中国港湾工程有限责任公司 | Asphalt recycled aggregate processingequipment |
| CN115075089A (en) * | 2022-05-30 | 2022-09-20 | 李艳 | Regeneration treatment device for asphalt concrete waste |
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| CN115787400B (en) | 2023-06-06 |
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