CN220846930U

CN220846930U - Pitch dissolving equipment

Info

Publication number: CN220846930U
Application number: CN202322442355.3U
Authority: CN
Inventors: 贾帧钧
Original assignee: CSCEC Aecom Consultant Co Ltd
Current assignee: CSCEC Aecom Consultant Co Ltd
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2024-04-26
Anticipated expiration: 2033-09-08

Abstract

The utility model relates to asphalt dissolving equipment which comprises a dissolving tank, a discharging pipe and a controller, wherein the discharging pipe and the controller are arranged at the lower end of the dissolving tank, a supporting frame is arranged at the upper end of the dissolving tank, a crushing box is arranged at the upper end of the supporting frame, a material guiding pipe is arranged between the crushing box and the dissolving tank, a feeding hopper is arranged at the upper end of the crushing box, a first rotating shaft and a second rotating shaft are rotatably connected in the crushing box, a first crushing roller and a second crushing roller are respectively arranged on the first rotating shaft and the second rotating shaft, the left end of the first rotating shaft penetrates out of the crushing box and is fixedly connected with a driving gear, and the left end of the second rotating shaft penetrates out of the crushing box and is fixedly connected with a driven gear; according to the utility model, the first crushing roller and the second crushing roller rotate in opposite directions to crush the asphalt blocks, the crushed asphalt blocks enter the melting tank from the material guide pipe, the spiral heating coil is used for heating the heat conducting cavity, heat is transferred into the melting tank to melt asphalt, the heating area is large, and the melting efficiency is high.

Description

Pitch dissolving equipment

Technical Field

The utility model relates to the technical field of asphalt processing, in particular to asphalt dissolving equipment.

Background

Asphalt is a blackish brown complex mixture composed of hydrocarbon compounds with different molecular weights and nonmetallic derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has black surface, and is soluble in carbon disulfide. Asphalt is mainly used in industries such as paint, plastics, rubber and the like, and paved roads and the like.

Asphalt pavement refers to various types of pavement paved by incorporating road asphalt materials into mineral materials. The asphalt binder improves the capability of paving granules to resist damage to the road surface caused by driving and natural factors, so that the road surface is flat, less in dust, waterproof and durable. Accordingly, asphalt pavement is one of the most widely used advanced pavements in road construction.

Asphalt at normal temperature is in a solid state, and when paving a pavement, the asphalt is heated first to enhance the activity, so that the viscosity of the asphalt can be enhanced, the paving is facilitated, and the paving quality can be improved. For example, an asphalt heating device for road construction of patent publication No. CN109518564B and an asphalt melting device for municipal road construction of patent publication No. CN217479882U both melt asphalt by directly heating, and since asphalt in solid state is in block shape and has a large volume, this direct heating method reduces the dissolution efficiency of asphalt.

Disclosure of utility model

The embodiment of the utility model provides asphalt dissolving equipment, which increases the heating area by firstly crushing solid asphalt and then dissolving, and can solve the problem of lower dissolving efficiency caused by adopting a direct heating mode in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an asphalt dissolving equipment, includes dissolving jar, sets up in discharging pipe and the controller of dissolving jar lower extreme, the upper end of dissolving the jar is provided with the support frame, the upper end of support frame is provided with crushing case, be provided with the passage between crushing case and the dissolving jar, the upper end of crushing case is provided with the feeder hopper, the inside rotation of crushing case is connected with first pivot and second pivot, be provided with first crushing roller and second crushing roller in first pivot and the second pivot respectively, the left end of first pivot wears out crushing case and fixedly connected with driving gear, the left end of second pivot wears out crushing case and fixedly connected with driven gear, the tooth of driven gear meshes with the tooth of driving gear each other, be provided with the motor on the lateral wall of crushing case, the motor passes through controller and external power supply electric connection, the output and the first pivot fixed connection of motor;

the outer wall of the melting tank is provided with a heat conducting cavity, a spiral heating coil is arranged in the heat conducting cavity, and the spiral heating coil is electrically connected with an external power supply through a controller.

Preferably, a stirring shaft is rotatably connected in the dissolving tank, a spiral blade is arranged on the stirring shaft, and the upper end of the stirring shaft penetrates out of the dissolving tank and is fixedly connected with a driven bevel gear;

The support frame is rotationally connected with a third rotating shaft, the left end of the third rotating shaft is provided with a driving bevel gear, teeth of the driving bevel gear are meshed with teeth of a driven bevel gear, and the right end of the third rotating shaft is provided with a driven belt wheel;

the right end of the first rotating shaft penetrates out of the crushing box and is fixedly connected with a driving belt wheel, and the driving belt wheel is in transmission connection with a driven belt wheel through a transmission belt.

Preferably, the helical blade includes an upper helical blade and a lower helical blade, the upper helical blade and the lower helical blade having opposite rotational directions.

Preferably, the heat conducting cavity is filled with heat conducting oil.

Preferably, the upper end of the decomposing tank is provided with a smoke exhaust pipe.

Preferably, the lower end of the decomposing tank is of a funnel-shaped structure, and a slag discharging channel is arranged at the lowest part of the funnel-shaped structure.

Preferably, valves are arranged on the slag discharging channel and the discharging pipe.

Preferably, a plurality of supporting legs are arranged at the lower end of the decomposing tank.

Compared with the prior art, the asphalt block melting device has the advantages that asphalt blocks are put into the crushing box through the matching arrangement of the crushing box, the material guiding pipe, the motor, the feeding hopper, the first crushing roller, the second crushing roller, the driving gear, the driven gear, the heat conducting cavity and the spiral heating coil, the first crushing roller and the driving gear are driven to rotate through the first rotating shaft when the motor works, the driving gear drives the second rotating shaft and the second crushing roller to rotate through the driven gear, the first crushing roller and the second crushing roller oppositely rotate to crush the asphalt blocks, the crushed asphalt blocks enter the melting tank from the material guiding pipe, the spiral heating coil heats the heat conducting cavity, heat is transferred into the melting tank to melt asphalt, the heated area is large, and the melting efficiency is high.

Compared with the prior art, the stirring device has the advantages that through the arrangement of the stirring shaft, the helical blades, the driven bevel gears, the driving bevel gears, the driven belt wheels, the driving belt wheels and the driving belt, the first rotating shaft rotates to drive the driving belt wheels to rotate, the driving belt wheels drive the driven belt wheels to rotate through the driving belt wheels, the driven belt wheels drive the driving bevel gears to rotate through the third rotating shaft, and the driving bevel gears drive the stirring shaft and the helical blades to rotate through the driven bevel gears, so that the dissolved and non-dissolved asphalt is stirred, heated is more uniform, and dissolving efficiency is further improved.

Drawings

FIG. 1 is a schematic overall sectional view of the present utility model;

FIG. 2 is a schematic top sectional view of the pulverizing box of the present utility model.

In the figure: 1. dissolving the tank; 2. a crushing box; 3. a material guiding pipe; 4. a motor; 5. a feed hopper; 6. a first crushing roller; 7. a second crushing roller; 8. a drive gear; 9. a driven gear; 10. a heat conducting cavity; 11. a spiral heating coil; 12. a discharge pipe; 13. a stirring shaft; 14. a helical blade; 15. a driven bevel gear; 16. a drive bevel gear; 17. a driven pulley; 18. a driving pulley; 19. a transmission belt; 20. and a slag discharging channel.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the technical solutions of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1-2, an asphalt dissolving device comprises a dissolving tank 1, a discharging pipe 12 and a controller, wherein the discharging pipe 12 and the controller are arranged at the lower end of the dissolving tank 1, a supporting frame is arranged at the upper end of the dissolving tank 1, a crushing box 2 is arranged at the upper end of the supporting frame, a material guiding pipe 3 is arranged between the crushing box 2 and the dissolving tank 1, a feeding hopper 5 is arranged at the upper end of the crushing box 2, a first rotating shaft and a second rotating shaft are rotatably connected in the crushing box 2, a first crushing roller 6 and a second crushing roller 7 are respectively arranged on the first rotating shaft and the second rotating shaft, the left end of the first rotating shaft penetrates out of the crushing box 2 and is fixedly connected with a driving gear 8, the left end of the second rotating shaft penetrates out of the crushing box 2 and is fixedly connected with a driven gear 9, teeth of the driven gear 9 are meshed with teeth of the driving gear 8, a motor 4 is arranged on the outer side wall of the crushing box 2, the motor 4 is electrically connected with an external power supply through the controller, and the output end of the motor 4 is fixedly connected with the first rotating shaft;

The outer wall of the dissolving tank 1 is provided with a heat conducting cavity 10, a spiral heating coil 11 is arranged in the heat conducting cavity 10, and the spiral heating coil 11 is electrically connected with an external power supply through a controller.

During specific use, the motor 4 and the spiral heating coil 11 are started through the controller, the heating coil 11 heats the heat conduction oil in the heat conduction cavity 10, heat is transferred to the inside of the melting tank 1, asphalt blocks are fed into the crushing box 2 from the feed hopper 5, the motor 4 works to drive the first crushing roller 6 and the driving gear 8 to rotate through the first rotating shaft, the driving gear 8 drives the second rotating shaft and the second crushing roller 7 to rotate through the driven gear 9, the first crushing roller 6 and the second crushing roller 7 rotate in opposite directions to crush the asphalt blocks, the crushed asphalt blocks enter the melting tank 1 from the material guiding pipe 3 to be melted, meanwhile, the first rotating shaft drives the driving pulley 18 to rotate, the driving pulley 18 drives the driven pulley 17 to rotate through the driving bevel gear 16 through the third rotating shaft, the driving bevel gear 16 drives the stirring shaft 13 and the spiral blade 14 to rotate through the driven bevel gear 15, the upper spiral blade drives the asphalt on the upper layer to move downwards, and the lower spiral blade drives the asphalt on the lower layer to move upwards, so that the melted asphalt blocks are fully stirred and heated and are more uniformly.

In order to further improve the asphalt dissolving efficiency, preferably, the inside of the dissolving tank 1 is rotationally connected with a stirring shaft 13, the stirring shaft 13 is provided with a helical blade 14, and the upper end of the stirring shaft 13 penetrates out of the dissolving tank 1 and is fixedly connected with a driven bevel gear 15;

The support frame is rotatably connected with a third rotating shaft, the left end of the third rotating shaft is provided with a driving bevel gear 16, teeth of the driving bevel gear 16 are meshed with teeth of a driven bevel gear 15, and the right end of the third rotating shaft is provided with a driven belt pulley 17;

The right end of the first rotating shaft penetrates out of the crushing box 2 and is fixedly connected with a driving belt pulley 18, and the driving belt pulley 18 is in transmission connection with a driven belt pulley 17 through a transmission belt 19;

The motor 4 works to drive the driving pulley 18 to rotate through the first rotating shaft, the driving pulley 18 drives the driven pulley 17 to rotate through the driving belt 19, the driven pulley 17 drives the driving bevel gear 16 to rotate through the third rotating shaft, the driving bevel gear 16 drives the stirring shaft 13 and the helical blades 14 to rotate through the driven bevel gear 15, and the dissolved and non-dissolved asphalt is stirred, so that the heated asphalt is heated more uniformly, and the dissolving efficiency is further improved.

In order to further improve the dissolving efficiency of asphalt, preferably, the spiral blade 14 includes an upper spiral blade and a lower spiral blade, the directions of the upper spiral blade and the lower spiral blade are opposite, the upper spiral blade drives the asphalt on the upper layer to move downwards in the working process of the spiral blade 14, and the lower spiral blade drives the asphalt on the lower layer to move upwards, so that the dissolved asphalt and the undegraded asphalt are fully stirred and mixed, the heated asphalt is more uniform, and the dissolving efficiency is improved.

In order to achieve the purpose of improving the heat conduction efficiency, preferably, the heat conduction cavity 10 is filled with heat conduction oil, the heat conduction efficiency is high, and the dissolving tank 1 is heated uniformly, so that the dissolving effect is good.

In order to achieve the aim of pressure relief, preferably, the upper end of the dissolving tank 1 is provided with a smoke exhaust pipe which is used for timely discharging asphalt smoke generated in the asphalt dissolving process.

In order to achieve the purpose of continuous use, preferably, the lower end of the decomposing tank 1 is of a funnel-shaped structure, the lowest part of the funnel-shaped structure is provided with a slag discharging channel 20, the funnel-shaped structure at the lower end of the decomposing tank 1 can store sand, small stones, coal slag, coke and other waste residues, and the waste residues can be discharged from the slag discharging channel 20 periodically.

For the purpose of facilitating control, it is preferable that valves are provided on both the slag discharging passage 20 and the discharging pipe 12.

For this purpose, the lower end of the digestion tank 1 is preferably provided with a plurality of support legs.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. Asphalt dissolving equipment comprises a dissolving tank (1), a discharging pipe (12) arranged at the lower end of the dissolving tank (1) and a controller, and is characterized in that: the upper end of the melting tank (1) is provided with a supporting frame, the upper end of the supporting frame is provided with a crushing box (2), a material guide pipe (3) is arranged between the crushing box (2) and the melting tank (1), the upper end of the crushing box (2) is provided with a feed hopper (5), a first rotating shaft and a second rotating shaft are rotationally connected in the crushing box (2), a first crushing roller (6) and a second crushing roller (7) are respectively arranged in the first rotating shaft and the second rotating shaft, the left end of the first rotating shaft penetrates out of the crushing box (2) and is fixedly connected with a driving gear (8), the left end of the second rotating shaft penetrates out of the crushing box (2) and is fixedly connected with a driven gear (9), teeth of the driven gear (9) are meshed with teeth of the driving gear (8), a motor (4) is arranged on the outer side wall of the crushing box (2), and the motor (4) is electrically connected with an external power supply through a controller;

The device is characterized in that a heat conducting cavity (10) is arranged on the outer wall of the dissolving tank (1), a spiral heating coil (11) is arranged in the heat conducting cavity (10), and the spiral heating coil (11) is electrically connected with an external power supply through a controller.

2. An asphalt plant according to claim 1, characterized in that: the inside of the dissolving tank (1) is rotationally connected with a stirring shaft (13), a spiral blade (14) is arranged on the stirring shaft (13), and the upper end of the stirring shaft (13) penetrates out of the dissolving tank (1) and is fixedly connected with a driven bevel gear (15);

The support frame is rotationally connected with a third rotating shaft, the left end of the third rotating shaft is provided with a driving bevel gear (16), teeth of the driving bevel gear (16) are meshed with teeth of a driven bevel gear (15), and the right end of the third rotating shaft is provided with a driven belt wheel (17);

The right end of the first rotating shaft penetrates out of the crushing box (2) and is fixedly connected with a driving belt pulley (18), and the driving belt pulley (18) is in transmission connection with a driven belt pulley (17) through a transmission belt (19).

3. An asphalt plant according to claim 2, characterized in that: the helical blades (14) include an upper helical blade and a lower helical blade, the upper and lower helical blades having opposite sense of rotation.

4. An asphalt plant according to claim 1, characterized in that: the heat conduction cavity (10) is filled with heat conduction oil.

5. An asphalt plant according to claim 1, characterized in that: the upper end of the decomposing tank (1) is provided with a smoke exhaust pipe.

6. An asphalt plant according to claim 1, characterized in that: the lower end of the decomposing tank (1) is of a funnel-shaped structure, and a slag discharging channel (20) is arranged at the lowest part of the funnel-shaped structure.

7. An asphalt plant according to claim 6, characterized in that: valves are arranged on the slag discharging channel (20) and the discharging pipe (12).

8. An asphalt plant according to claim 1, characterized in that: the lower end of the dissolving tank (1) is provided with a plurality of supporting legs.