CN112030668B - Heat energy recycling device of asphalt mixing plant - Google Patents
Heat energy recycling device of asphalt mixing plant Download PDFInfo
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- CN112030668B CN112030668B CN202010889336.3A CN202010889336A CN112030668B CN 112030668 B CN112030668 B CN 112030668B CN 202010889336 A CN202010889336 A CN 202010889336A CN 112030668 B CN112030668 B CN 112030668B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/08—Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the like
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Abstract
The utility model relates to a heat energy recycling device of an asphalt mixing plant, which relates to the field of the asphalt mixing plant and solves the problem of more heat energy waste of the prior asphalt mixing plant, and comprises a drying roller and a preheating roller, wherein the drying roller comprises two first end covers, a material pipe is rotationally connected between the two first end covers, a heating pipe is coaxially arranged in the material pipe, two ends of the heating pipe are respectively and fixedly connected with the two first end covers, a flame thrower is arranged in the heating pipe, the preheating roller comprises two second end covers, a material containing pipe is rotationally connected between the two second end covers, a preheating pipe is coaxially arranged in the material containing pipe, a material inlet is arranged on the second end cover at the material inlet end on the preheating roller, a material outlet is arranged on the second end cover at the material outlet end, a connecting pipe is fixedly connected between the material outlet and the material inlet, a communicating pipe is arranged between the preheating pipe and the heating pipe, and an exhaust fan is arranged in the communicating pipe, the feeding end is higher than the discharging end. It has the advantage that can improve asphalt mixing plant heat utilization rate.
Description
Technical Field
The application relates to the field of asphalt mixing plants, in particular to a heat energy recycling device of an asphalt mixing plant.
Background
At present, in the process of producing asphalt concrete, hot materials (asphalt raw materials) and cold materials (sand, stone and the like) need to be put into a mixing drum for mixing. In order to prevent the asphalt raw material and the cold material from being unevenly mixed and melted in the mixing cylinder and affecting the viscosity of the asphalt, the cold material is generally heated in a heating roller and then mixed with the hot material.
The existing cold burden heating is generally completed in an asphalt mixing plant, the common cold burden heating mode of the asphalt mixing plant is mainly flame heating, a flame sprayer can spray flame into a drying roller in the cold burden heating process to increase the temperature in the drying roller, meanwhile, a pushing blade is arranged in the drying roller and pushes the materials in the drying roller to move forward, the moving direction of the cold materials is opposite to the spraying direction of the flame, and the contraposition surface of the flame thrower on the drying roller is provided with an exhaust fan which can lengthen the spraying distance of flame in the drying roller, thereby make flame's coverage wider, heating efficiency is better, but present air exhauster is taken out and can contain a large amount of heats in the air of taking out from drying drum, and these heat energy do not cause a large amount of heat energy waste after directly being discharged away through recycling.
Disclosure of Invention
In order to utilize the stoving cylinder waste heat in the asphalt mixing plant, this application provides an asphalt mixing plant heat recovery utilizes device.
The application provides a bituminous mixing plant heat recovery utilizes device adopts following technical scheme:
a heat energy recycling device for an asphalt mixing plant comprises a drying roller and a preheating roller, wherein the drying roller comprises two first end covers with opposite openings, a material pipe is rotatably connected between the two first end covers, a heating pipe is coaxially arranged in the material pipe, two ends of the heating pipe are fixedly connected with the two first end covers respectively, the drying roller comprises a feeding end and a discharging end, a flame sprayer is arranged in the heating pipe at the discharging end, a feeding hole is formed in the first end cover at the feeding end, and a discharging hole is formed in the first end cover at the discharging end; preheat the cylinder and include two second end covers that the opening is relative, it holds the material pipe to rotate to be connected with between two second end covers, it is provided with the preheating tube to hold the material intraductal coaxial setting of pipe, the both ends of preheating tube respectively with two second end cover rigid couplings, it is provided with pan feeding end and discharge end on the cylinder to preheat, set up the pan feeding mouth on the second end cover of pan feeding department, the discharge gate has been seted up on the second end cover of discharge end department, the rigid coupling has the connecting pipe between discharge gate and the feed inlet, be provided with communicating pipe between preheating tube and the heating pipe, be provided with the air exhauster in communicating pipe, drying drum and the coaxial setting of preheating drum, and the pan feeding end is than the discharge end height.
Through adopting above-mentioned technical scheme, the material is by pan feeding mouth department entering preheating intracavity, then enter into the stoving intracavity along preheating chamber and connecting pipe, then discharge through the discharge gate, blowout flame in this in-process flame thrower is to the heating tube, simultaneously under the effect of air exhauster, flame can cover the heating pipe almost, the heating pipe heats the material of stoving intracavity, simultaneously the gas in the heating tube can be extracted to preheating intraductally preheating the material of intracavity through the air exhauster, thereby the energy has been practiced thrift in the effective utilization of heat energy to the realization.
Preferably, spiral pushing blades which push the materials to move towards the discharge port are fixedly connected to the outer peripheral surfaces of the heating pipe and the preheating pipe, and driving pieces which are used for driving the material pipe and the material containing pipe to rotate are arranged on one side of the drying roller and one side of the preheating roller.
By adopting the technical scheme, the material pipe and the preheating pipe can push the materials in the preheating cavity and the heating cavity to move forwards by pushing the blades in the rotating process.
Preferably, the outside cover of material pipe is equipped with first heat preservation pipe, form first heat preservation chamber between first heat preservation pipe and the material pipe, the both ends of first heat preservation pipe rotate with two first end covers respectively and are connected, the outside cover that holds the material pipe is equipped with the second heat preservation pipe, form second heat preservation chamber between second heat preservation pipe and the holding material pipe, the both ends of second heat preservation pipe rotate with two second end covers respectively and are connected, first heat preservation chamber and second heat preservation chamber intercommunication have the breather pipe, the preheating pipe tip rigid coupling of pan feeding department has first blast pipe, the rigid coupling has the second blast pipe that communicates with first heat preservation chamber on the one end that preheating pipe was kept away from to first blast pipe and the first end cover that second heat preservation chamber communicates discharge end department, the rigid coupling has many first connecting rods between the material pipe in the first heat preservation chamber and the first heat preservation pipe, the rigid coupling has many second connecting rods between the holding material pipe in the second heat preservation chamber and the second heat preservation pipe.
Through adopting above-mentioned technical scheme, the gas that the intraductal combustion gas that preheats enters into first heat preservation chamber and second heat preservation intracavity and keeps warm to stoving chamber and preheating chamber.
Preferably, the driving part comprises a toothed ring fixedly connected to the outer peripheral surface of the first heat-insulating pipe and the outer peripheral surface of the second heat-insulating pipe, and the driving part further comprises a driving motor, a gear is fixedly connected to an output shaft of the driving motor, and the gear is meshed with the toothed ring.
By adopting the technical scheme, the driving motor drives the drying roller and the preheating roller to rotate through the meshing of the gear and the gear ring.
Preferably, an air inlet box is fixedly connected to the heating pipe at the discharge end, a vent hole is formed in the air inlet box, and the flame thrower penetrates through the air inlet box and extends into the heating pipe.
Through adopting above-mentioned technical scheme, compare with exposing between the flame thrower externally, the inlet box can reduce the calorific loss of flame thrower department as far as possible, and the air vent can also be guaranteed to have sufficient oxygen to burn simultaneously.
Preferably, an air inlet pipe is fixedly connected to a position of the air vent on the air inlet box, the air inlet pipe is communicated with the air inlet box through the air vent, a hot air pipe is further sleeved outside the air inlet pipe, a gap exists between the hot air pipe and the air inlet pipe, and one end, far away from the first end cover, of the second exhaust pipe is communicated with the hot air pipe.
Through adopting above-mentioned technical scheme, waste gas can absorb the heat on the material pipe in first heat preservation intracavity, and these gases that have heat can preheat the gas that enters into in the inlet box through the gap of second blast pipe discharge into between hot-blast pipe and the intake pipe to reduced the required energy of flame thrower heating these gases and then furthest's improvement the utilization of heat energy.
Preferably, the air inlet pipe and the hot air pipe are both provided in a spiral shape.
Through adopting above-mentioned technical scheme, further increase the stroke of waste gas between steam pipe and intake pipe to make the heat in the waste gas can better utilization.
Preferably, one end of the second exhaust pipe connected with the hot air pipe is located at one end of the hot air pipe connected with the air inlet box.
Through adopting above-mentioned technical scheme, the air flow direction in the intake pipe is opposite with the waste gas flow direction in the hot gas pipe at first for the gas in the intake pipe improves with the waste gas heat exchange in the hot gas pipe, has increased the stroke of waste gas in the hot gas pipe as far as simultaneously again, thereby makes the waste gas in the hot gas pipe and obtains gas exchange efficiency better in the intake pipe.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the preheating roller is added on one side of the drying roller, so that the materials in the preheating roller can be preheated by utilizing the preheating of the exhaust gas in the heating pipe, the heat in the exhaust gas in the heating pipe is reused, and the energy is saved;
2. the first heat-preservation pipe is arranged on the drying roller, the second heat-preservation pipe is arranged on the preheating roller, and the preheating pipe is communicated with the first heat-preservation cavity and the second heat-preservation cavity, so that waste gas can firstly preserve heat of materials in the preheating cavity and materials in the heating cavity, and on the other hand, the temperature of gas discharged from the preheating pipe is higher than that of air in room temperature, so that the heat preservation effects of the first heat-preservation pipe and the second heat-preservation pipe are better;
3. through set up the inlet box at the discharge end, set up the intake pipe on the inlet box, the outside cover of intake pipe establishes the steam pipe, and steam pipe and second blast pipe intercommunication for heat in the exhaust gas can heat the air that enters into in the inlet box in the first heat preservation intracavity, further has saved the energy.
Drawings
FIG. 1 is a schematic view of the external structure of the heat recovery and utilization apparatus in this embodiment;
FIG. 2 is a schematic view of the salient drive member configuration of this embodiment;
fig. 3 is a side sectional view of the internal structure of the convex sensible heat recovery and utilization device in the present embodiment;
FIG. 4 is an enlarged partial schematic view of portion A of FIG. 3;
fig. 5 is a partially enlarged schematic view of a portion B in fig. 3.
Description of reference numerals: 1. drying the roller; 11. a first end cap; 12. a material pipe; 13. heating a tube; 14. a drying cavity; 15. a feeding end; 16. a discharge end; 17. a feed inlet; 18. a discharge port; 19. a first heat-insulating tube; 10. a first heat preservation cavity; 101. a first connecting rod; 102. a hoist; 103. a second exhaust pipe; 104. a connecting pipe; 2. an air intake box; 21. a flame thrower; 22. a vent hole; 23. an air inlet pipe; 24. a hot gas pipe; 3. preheating the roller; 31. a second end cap; 32. a material containing pipe; 33. a preheating pipe; 34. a preheating chamber; 35. a feeding end; 36. a discharge end; 37. a feeding port; 38. a discharge outlet; 39. a second insulating tube; 30. a second heat preservation cavity; 301. a second connecting rod; 302. a belt conveyor; 303. a first exhaust pipe; 4. a communicating pipe; 41. an exhaust fan; 5. pushing the blade; 6. a drive member; 61. a drive motor; 611. a gear; 62. a toothed ring; 7. a breather pipe; 8. a feed hopper; 9. and (4) supporting the base.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Referring to fig. 1 and 2, the embodiment of the application discloses a heat energy recycling device for an asphalt mixing plant, and the heat energy recycling device comprises a drying drum 1, specifically, the drying drum 1 comprises two circular first end covers 11, and openings of the two first end covers 11 are opposite.
Referring to fig. 3 and 4, a circular material pipe 12 matched with the first end caps 11 is arranged between the two first end caps 11, two ends of the material pipe 12 penetrate through the two first end caps 11 respectively, and the material pipe 12 and the two first end caps 11 are rotatably connected. The bottom of the first end cover 11 is fixedly connected with a supporting seat 9, and the supporting seat 9 is supported on the ground.
A heating pipe 13 is arranged between the two first end caps 11 in a penetrating manner, the heating pipe 13 is positioned in the material pipe 12, and the heating pipe 13 and the material pipe 12 are coaxially arranged. The two first end caps 11 and the heating pipe 13 are fixedly connected. A drying chamber 14 is formed between the heating pipe 13 and the material pipe 12. The drying roller 1 comprises a feeding end 15 and a discharging end 16, a discharging port 18 is formed in the first end cover 11 at the discharging end 16 of the drying roller 1, and a feeding port 17 is formed in the first end cover 11 at the feeding end 15 of the drying roller 1. The end of the heating pipe 13 at the discharge port 18 is provided with a torch 21.
One side of drying drum 1 is provided with preheating drum 3, and preheating drum 3 is located same straight line with drying drum 1, and preheating drum 3 includes two circular shape second end covers 31 particularly, and the opening of two second end covers 31 sets up relatively, and preheating drum 3 still includes holding material pipe 32, and the both ends of holding material pipe 32 wear to establish respectively in two second end covers 31, and all sets up to rotate between holding material pipe 32 and two second end covers 31 and be connected. The bottom of the two second end caps 31 are fixedly connected with a supporting seat 9, and the supporting seat 9 supports the two second end caps 31 on the ground. A preheating pipe 33 penetrates between the two second end caps 31, the preheating pipe 33 and the material containing pipe 32 are coaxially arranged, the preheating pipe 33 is located in the material containing pipe 32, and the preheating pipe 33 and the two second end caps 31 are fixedly connected. A preheating chamber 34 is formed between the preheating pipe 33 and the material containing pipe 32.
The preheating roller 3 is provided with a feeding end 35 and a discharging end 36, a feeding port 37 communicated with the preheating cavity 34 is formed in the second end cover 31 at the position of the feeding end 35, and a discharging port 38 communicated with the preheating cavity 34 is formed in the second end cover 31 at the position of the discharging end 36. A feed hopper 8 with an upward opening is fixedly connected to the second end cover 31 at the feeding port 37.
A communicating pipe 4 is provided between the heating pipe 13 and the preheating pipe 33, and an exhaust fan 41 is provided on the connecting pipe 104. The material pipe 12 and the material containing pipe 32 are coaxially arranged, and the feeding end 35 on the material pipe 12 and the material containing pipe 32 is higher than the discharging end 16. A connecting pipe 104 is fixedly connected between the discharge opening 38 and the feed opening 17.
Referring to fig. 1, a belt conveyor 302 is disposed at the inlet 37, and a lifter 102 is disposed at the outlet 18.
The material is carried by band conveyer 302 to pan feeding mouth 37 department after and is poured into preheating chamber 34 in, then enter into stoving chamber 14 along preheating chamber 34 and connecting pipe 104, then discharge into lifting machine 102 in discharge gate 18, flame in this in-process flame thrower 21 is to the blowout of heating pipe 13, simultaneously under the effect of air exhauster 41, flame can cover heating pipe 13 almost, heating pipe 13 heats the material in stoving chamber 14, gas in heating pipe 13 can be extracted to preheating pipe 33 in to preheating chamber 34 material preheats through air exhauster 41 simultaneously, thereby the effective utilization of heat energy has been realized and the energy has been practiced thrift.
Referring to fig. 2 and 3, a driving member 6 for driving the material pipe 12 to rotate is disposed at one side of the material pipe and at one side of the material containing pipe 32. Meanwhile, spiral pushing blades 5 which are spiral and push materials to move towards the discharge port are fixedly connected to the outer peripheral surfaces of the heating pipe 13 and the preheating pipe 33, and in the rotating process of the material pipe 12 and the preheating pipe 33, the pushing blades 5 can push the materials in the preheating cavity 34 and the heating cavity to move forwards.
Referring to fig. 3 and 4, a first heat preservation pipe 19 is sleeved outside the material pipe 12, a gap between the first heat preservation pipe 19 and the material pipe 12 is named as a first heat preservation cavity 10, two ends of the first heat preservation pipe 19 penetrate through the two first end covers 11 respectively, and the first heat preservation pipe 19 and the two first end covers 11 are rotatably connected. The outside cover of holding material pipe 32 is equipped with second insulating tube 39, and the clearance that exists between second insulating tube 39 and the holding material pipe 32 is named second heat preservation chamber 30 here, and the both ends of second insulating tube 39 wear to establish respectively between two second end covers 31, and all sets up to rotating between second insulating tube 39 and two second end covers 31 and be connected. A vent pipe 7 is fixedly connected between the first end cover 11 and the second end cover 31 between the drying roller 1 and the preheating roller 3, and the first heat preservation cavity 10 is communicated with the second heat preservation cavity 30 through the vent pipe 7. The preheating pipe 33 is fixedly connected with a first exhaust pipe 303 at one end of the feeding end 35, one end of the first exhaust pipe 303 is communicated with the preheating pipe 33, and the other end of the first exhaust pipe 303 is fixedly connected with a second end cover 31 at the feeding pipe position and communicated with the first exhaust pipe 303 and the second heat preservation cavity 30.
Referring to fig. 4 and 5, a second exhaust pipe 103 is fixedly connected to the first end cap 11 at the end of the material pipe 12 where the material outlet 18 is located, and one end of the second exhaust pipe 103 is communicated with the first heat preservation cavity 10. A plurality of first connecting rods 101 are fixedly connected between the material pipe 12 in the first heat preservation cavity 10 and the first heat preservation pipe 19, and a plurality of second connecting rods 301 are fixedly connected between the material containing pipe 32 in the second heat preservation cavity 30 and the second heat preservation pipe 39.
Thus, the gas exhausted from the preheating pipe 33 enters the first and second holding chambers 10 and 30 to hold the drying chamber 14 and the preheating chamber 34.
Referring to fig. 2, the driving member 6 includes two driving motors 61, the driving member 6 further includes a toothed ring 62 fixedly connected to the outer peripheral surface of the first heat-insulating pipe 19 and the outer peripheral surface of the second heat-insulating pipe 39, gears 611 adapted to the toothed ring 62 are fixedly connected to the output shafts of the driving motors 61 on the corresponding material pipes 12 and the material accommodating pipe 32, and the driving motors 61 drive the drying drum 1 and the preheating drum 3 to rotate through the engagement of the gears 611 and the toothed ring 62.
Referring to fig. 5, the heating pipe 13 one end rigid coupling of the one end that the flame thrower 21 belongs to has inlet box 2, and the flame spray nozzle is located inlet box 2, and sets up the air vent 22 with outside intercommunication on the inlet box 2, and expose between the flame thrower 21 externally and compare, inlet box 2 can reduce the calorific loss of flame thrower 21 department as far as possible, and air vent 22 can also guarantee to have sufficient oxygen to burn simultaneously.
Further, an air inlet pipe 23 is fixedly connected to the vent hole 22 of the air inlet box 2, and the air inlet pipe 23 is communicated with the air inlet box 2 through the vent hole 22. The outside of intake pipe 23 still overlaps and is equipped with hot-air pipe 24, has the clearance between hot-air pipe 24 and the intake pipe 23, and the one end that first end cover 11 was kept away from to second blast pipe 103 communicates with the one end that hot-air pipe 24 is close to inlet box 2. Waste gas can absorb heat on the material pipe 12 in the first heat preservation cavity 10, and the gas with heat can be discharged into a gap between the hot air pipe 24 and the air inlet pipe 23 through the second exhaust pipe 103 to preheat the gas entering the air inlet box 2, so that the energy required by the flame thrower 21 for heating the gas is reduced, and the utilization of heat energy is further improved to the maximum extent.
Furthermore, the air inlet pipe 23 and the hot air pipe 24 are both arranged in a spiral shape, so that the stroke of the exhaust gas between the hot air pipe 24 and the air inlet pipe 23 is further increased, and the heat in the exhaust gas can be better utilized.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides an asphalt mixing plant heat recovery utilizes device which characterized in that: the drying device comprises a drying roller (1) and a preheating roller (3), wherein the drying roller (1) comprises two first end covers (11) with opposite openings, a material pipe (12) is rotatably connected between the two first end covers (11), a heating pipe (13) is coaxially arranged in the material pipe (12), two ends of the heating pipe (13) are fixedly connected with the two first end covers (11) respectively, the drying roller (1) comprises a feeding end (15) and a discharging end (16), a flame sprayer (21) is arranged in the heating pipe (13) at the discharging end (16), a feeding hole (17) is formed in the first end cover (11) at the feeding end (15), and a discharging hole (18) is formed in the first end cover (11) at the discharging end (16); the preheating roller (3) comprises two second end covers (31) with opposite openings, a material accommodating pipe (32) is rotatably connected between the two second end covers (31), a preheating pipe (33) is coaxially arranged in the material accommodating pipe (32), two ends of the preheating pipe (33) are fixedly connected with the two second end covers (31) respectively, a material inlet end (35) and a material outlet end (36) are arranged on the preheating roller (3), a material inlet (37) is formed in the second end cover (31) at the material inlet end (35), a material outlet (38) is formed in the second end cover (31) at the material outlet end (36), a connecting pipe (104) is fixedly connected between the material outlet (38) and the material inlet (17), a communicating pipe (4) is arranged between the preheating pipe (33) and the heating pipe (13), an exhaust fan (41) is arranged in the communicating pipe (4), the drying roller (1) and the preheating roller (3) are coaxially arranged, and the material inlet end (35) is higher than the material outlet end (16); the outer peripheral surfaces of the heating pipe (13) and the preheating pipe (33) are fixedly connected with spiral pushing blades (5) which push materials to move towards the discharge hole (18), and driving parts (6) which are used for driving the material pipe (12) and the material containing pipe (32) to rotate are arranged on one side of the drying roller (1) and one side of the preheating roller (3); a first heat preservation pipe (19) is sleeved outside the material pipe (12), a first heat preservation cavity (10) is formed between the first heat preservation pipe (19) and the material pipe (12), two ends of the first heat preservation pipe (19) are respectively rotatably connected with the two first end covers (11), a second heat preservation pipe (39) is sleeved outside the material containing pipe (32), a second heat preservation cavity (30) is formed between the second heat preservation pipe (39) and the material containing pipe (32), two ends of the second heat preservation pipe (39) are respectively rotatably connected with the two second end covers (31), the first heat preservation cavity (10) and the second heat preservation cavity (30) are communicated with a vent pipe (7), a first exhaust pipe (303) is fixedly connected to the end part of the preheating pipe (33) at the feeding end (35), and a second exhaust pipe (103) communicated with the first heat preservation cavity (10) is fixedly connected to the first end cover (11) at the discharging end (16) where one end of the preheating pipe (33) is far away from the first exhaust pipe (303) and the second heat preservation cavity (30), a plurality of first connecting rods (101) are fixedly connected between the material pipe (12) in the first heat-preservation cavity (10) and the first heat-preservation pipe (19), and a plurality of second connecting rods (301) are fixedly connected between the material containing pipe (32) in the second heat-preservation cavity (30) and the second heat-preservation pipe (39).
2. The asphalt mixing plant heat energy recycling device of claim 1, wherein: the driving piece (6) comprises a gear ring (62) fixedly connected to the outer peripheral surface of the first heat-preservation pipe (19) and the outer peripheral surface of the second heat-preservation pipe (39), the driving piece (6) further comprises a driving motor (61), a gear (611) is fixedly connected to an output shaft of the driving motor (61), and the gear (611) is meshed with the gear ring (62).
3. The asphalt mixing plant heat energy recycling device of claim 2, wherein: an air inlet box (2) is fixedly connected to the heating pipe (13) at the discharge end (16), a vent hole (22) is formed in the air inlet box (2), and the flame thrower (21) penetrates through the air inlet box (2) and extends into the heating pipe (13).
4. The asphalt mixing plant heat energy recycling device of claim 3, wherein: air inlet pipe (23) are fixedly connected to air vent holes (22) in air inlet box (2), air inlet pipe (23) is communicated with air inlet box (2) through air vent holes (22), hot air pipe (24) are further sleeved outside air inlet pipe (23), a gap exists between hot air pipe (24) and air inlet pipe (23), and one end, far away from first end cover (11), of second exhaust pipe (103) is communicated with hot air pipe (24).
5. The asphalt mixing plant heat energy recycling device of claim 4, wherein: the air inlet pipe (23) and the hot air pipe (24) are both arranged in a spiral shape.
6. The asphalt mixing plant heat energy recycling device of claim 5, wherein: one end of the second exhaust pipe (103) connected with the hot air pipe (24) is positioned at one end of the hot air pipe (24) connected with the air inlet box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010889336.3A CN112030668B (en) | 2020-08-28 | 2020-08-28 | Heat energy recycling device of asphalt mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010889336.3A CN112030668B (en) | 2020-08-28 | 2020-08-28 | Heat energy recycling device of asphalt mixing plant |
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| Publication Number | Publication Date |
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| CN112030668A CN112030668A (en) | 2020-12-04 |
| CN112030668B true CN112030668B (en) | 2021-08-13 |
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| CN202010889336.3A Active CN112030668B (en) | 2020-08-28 | 2020-08-28 | Heat energy recycling device of asphalt mixing plant |
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| CN114322485B (en) * | 2022-01-04 | 2023-03-14 | 河南科勒夫设备科技有限公司 | Steam type dryer |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201403468Y (en) * | 2009-03-17 | 2010-02-17 | 郑广才 | Oil-gas dual-purpose feed ripening machine |
| CN102431091A (en) * | 2011-12-22 | 2012-05-02 | 桂勘 | Outer drum rotating and blending type stirring drum |
| CN204202368U (en) * | 2014-11-03 | 2015-03-11 | 山东昶升建设工程机械有限公司 | A kind of downflow type dryer heat stepwise cylinder |
| CN104930831B (en) * | 2015-06-28 | 2019-01-22 | 福建省南安市海特机械有限公司 | A kind of numerical control and energy saving muffle dryer |
| CN205741838U (en) * | 2016-05-10 | 2016-11-30 | 徐州徐工筑路机械有限公司 | A kind of asphalt blending station drying drum burner preheated-combustion-supporting device |
| CN205676758U (en) * | 2016-06-12 | 2016-11-09 | 福建南方路面机械有限公司 | A kind of asphalt-regenerating drying roller |
| CN106247782B (en) * | 2016-08-03 | 2018-06-05 | 五洲丰农业科技有限公司 | Residual heat integrative utilizes fertiliser granulates drying unit |
| CN206941343U (en) * | 2017-07-04 | 2018-01-30 | 滁州高仁建设工程有限公司 | Bituminous mixing plant Drying |
| CN207405440U (en) * | 2017-07-20 | 2018-05-25 | 福建南方路面机械有限公司 | A kind of drying system |
| CN207878225U (en) * | 2018-02-11 | 2018-09-18 | 四川路通路桥科技股份有限公司 | A kind of anti-sticking drying drum of asphalt heat recycling aggregate |
| CN209279572U (en) * | 2018-11-22 | 2019-08-20 | 陕西天石实业有限责任公司 | A kind of baking sand system |
| CN209873503U (en) * | 2019-04-08 | 2019-12-31 | 福建南方路面机械有限公司 | Original recycled aggregate drying equipment integration system |
| CN210031410U (en) * | 2019-04-16 | 2020-02-07 | 河南查瑞特种设备有限公司 | Aggregate heating system of asphalt mixing station |
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2020
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