CN210439103U - Agitating unit is used in pitch regeneration - Google Patents
Agitating unit is used in pitch regeneration Download PDFInfo
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- CN210439103U CN210439103U CN201921078232.3U CN201921078232U CN210439103U CN 210439103 U CN210439103 U CN 210439103U CN 201921078232 U CN201921078232 U CN 201921078232U CN 210439103 U CN210439103 U CN 210439103U
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- pitch
- churn
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Abstract
The utility model discloses an agitating unit is used in pitch regeneration, including base, churn, install native pitch feed cylinder, regeneration pitch feed cylinder and a batching section of thick bamboo on the churn, the centre is provided with the stirring main shaft in the churn, stirring main shaft top links to each other with agitator motor, the impeller is installed to stirring main shaft bottom, the stirring main shaft evenly is provided with a plurality of puddlers along its radial direction, and the puddler distributes along stirring main shaft axial direction equidistance, the churn bottom is provided with out the hopper, it installs on the base to go out the hopper. The utility model discloses a bar shaped plate that sets up on a plurality of puddlers and the puddler has solved the inhomogeneous problem of pitch agitating unit stirring, has still set up metering device and churn discharge gate at primary pitch feed cylinder, regeneration pitch feed cylinder and batching section of thick bamboo in addition and has set up weighing device, makes the accurate ratio of each composition of regeneration pitch, reduces the waste of raw and other materials, improves the pitch quality.
Description
Technical Field
The utility model relates to a road construction machinery technical field specifically is an agitating unit is used in pitch regeneration.
Background
The regeneration of old asphalt material is based on the principle of producing blended asphalt, and adds a certain component of low-viscosity oil material (regenerant) or asphalt material with proper viscosity into the aged asphalt to make blending so as to make the blended regenerated asphalt have proper viscosity and required service property. The reclaimed asphalt is actually a blended asphalt prepared by blending old asphalt and new asphalt material (adding a regenerant if necessary). In actual construction, of course, the mixing of the old asphalt with the recycling agent and the new asphalt material is carried out along with the sand and stone materials, the old asphalt is not extracted and blended specially, and the blending is far from being well blended as the blending of the blended asphalt produced in the petroleum industry, but the theoretical basis is the same.
The development of a roller type asphalt concrete mixing device 70 years ago is a mixing device commonly used in the processing of large-scale recycled asphalt at present, and is characterized in that the drying and heating of sand and stone materials and the mixing of mixed materials are continuously carried out in a roller. The burner is arranged in the center of the feeding end of the roller and heats along the material flow. The hot asphalt liquid is sprayed in the front half part of the roller and is discharged after being stirred in a self-falling mode together with the hot aggregate, the charging barrels of the primary asphalt, the regenerated asphalt, other regenerants and the ingredients are sequentially arranged on one side of the roller, but the problem of uneven stirring of the asphalt liquid is easily caused by the mixing mode.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an agitating unit is used in pitch regeneration aims at improving the big and insufficient problem of stirring of the horizontal area of arranging of regeneration pitch agitating unit.
The utility model discloses a realize like this: a stirring device for asphalt regeneration comprises a base and a stirring cylinder, wherein a primary asphalt charging barrel, a regenerated asphalt charging barrel and a proportioning barrel are mounted on the stirring cylinder, a stirring main shaft is arranged in the middle of the stirring cylinder, the top end of the stirring main shaft is connected with a stirring motor, a propelling impeller is mounted at the bottom of the stirring main shaft, a plurality of stirring rods are uniformly arranged on the stirring main shaft along the radial direction of the stirring main shaft, the stirring rods are equidistantly distributed along the axial direction of the stirring main shaft, discharge hoppers are arranged at the bottom of the stirring cylinder, and the discharge hoppers are mounted on the base;
the pitch regeneration needs to form regeneration pitch and primary pitch and auxiliary ingredient according to certain batching mixing stirring, and pitch is a high viscosity liquid, it is rotatory to utilize agitator motor to drive the stirring main shaft, a plurality of puddlers on the stirring main shaft make pitch mix, and drive pitch through the bar plate on the puddler, the raw and other materials that come in the feed cylinder can mix together under the stirring of bar plate very fast on the churn, thereby the propulsion impeller of stirring main shaft lower extreme installation can get up pitch liquid further rotation and make the pitch liquid of upper and lower floor mix rapidly, pitch after the stirring is accomplished flows out on the hopper through the discharge gate and then can be under construction or save.
Furthermore, a plurality of strip-shaped plates are uniformly arranged in the radial direction of the stirring rod and are arranged at equal intervals along the axial direction of the stirring rod, and two ends of each strip-shaped plate are pointed; the strip-shaped plates can fully mix the asphalt liquid, and the top end of each strip-shaped plate is arranged to be pointed, so that the resistance of the stirring rod in the asphalt liquid is reduced.
Furthermore, heating devices are arranged at the outer sides of the primary asphalt charging barrel, the regenerated asphalt charging barrel and the proportioning barrel, and metering devices are arranged at the discharge ports of the primary asphalt charging barrel, the regenerated asphalt charging barrel and the proportioning barrel; drying raw materials through heating device in order to get rid of the moisture in the raw and other materials to guarantee the quality of regeneration pitch, further improved the quality of regeneration pitch through metering device with the accurate ratio that realizes individual raw and other materials.
Further, a discharge port of the mixing drum is provided with a discharge flowmeter; the flow of the regenerated asphalt discharged from the mixing drum can be accurately controlled through the discharge flowmeter, so that the asphalt waste is avoided.
Further, one side of the mixing drum is provided with an escalator, and the top end of the escalator is arranged above the upper plane of the mixing drum; the escalator is convenient for workers to enter the top of the mixing drum for overhauling or maintaining.
Further, the upper end of the side surface of the stirring cylinder is also provided with a smoke exhaust channel, and the smoke exhaust channel is connected with a dust removal system; a large amount of smoke and dust can be produced in the asphalt regeneration process, and in order to ensure that a large amount of smoke and dust can not escape out along with asphalt when discharging, the smoke exhaust channel is arranged on the side surface of the mixing drum and is connected with the dust removal system, so that the smoke and dust pollution of the field environment is reduced, and the health of workers is further ensured.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a bar shaped plate of a plurality of puddlers and puddler is more even to the various pitch and the stir ingredients that get into in the churn, and the churn is cylindric with primary pitch feed cylinder, regeneration pitch feed cylinder and the setting of a batching section of thick bamboo in the churn top reduced the area of equipment to be favorable to the mixed stirring of pitch.
(2) The metering device is arranged on the primary asphalt charging barrel, the regenerated asphalt charging barrel and the proportioning barrel, and the weighing device is arranged at the discharge port of the mixing barrel, so that each component of the regenerated asphalt is accurately proportioned during discharging, the discharge amount can be accurately controlled, the waste of raw materials is reduced, and the asphalt quality is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of an agitating apparatus for asphalt recycling according to the present invention;
FIG. 2 is a front view of the stirring device for asphalt recycling of the present invention;
fig. 3 is a half sectional view of the mixing drum of the mixing device for asphalt recycling according to the present invention.
In the figure: 1. a base; 2. a mixing drum; 21. a discharge port; 211. a discharge flow meter; 22. a smoke evacuation channel; 3. a virgin asphalt barrel; 31. a heating device; 32. a metering device; 4. a reclaimed asphalt charging barrel; 5. a dosing cylinder; 6. a stirring main shaft; 61. a stirring rod; 62. a strip plate; 7. a stirring motor; 8. propelling the impeller; 9. a discharge hopper; 10. An escalator.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, 2 and 3, in an embodiment of the present invention, an agitating apparatus for asphalt recycling includes a base 1, an agitating drum 2, the agitating drum 2 is provided with a raw asphalt charging barrel 3, a recycled asphalt charging barrel 4 and a batching barrel 5, an agitating spindle 6 is arranged in the middle of the agitating drum 2, the top end of the agitating spindle 6 is connected to an output shaft of an agitating motor 7 through a flange, a propelling impeller 8 is arranged at the bottom of the agitating spindle 6, the propelling impeller 8 is uniformly provided with 4 agitating rods 61 along the radial direction of the agitating spindle 6, the agitating rods 61 are equidistantly distributed along the axial direction of the agitating spindle 6, each agitating rod 61 is provided with 3 strip-shaped plates 62, the strip-shaped plates are equidistantly arranged along the axial direction of the agitating rod 61, two ends of each strip-shaped plate 62 are pointed, the middle is in the shape of an annular opening, the strip-shaped plates 62 are installed together with the agitating rod, the strip-shaped plate 62 is provided with a locking hole for locking the relative position of the stirring rod 61 and the strip-shaped plate 62; the plurality of strip-shaped plates 62 on the stirring rod can fully mix all components in the asphalt liquid together, and the pointed top end is beneficial to reducing the resistance of the stirring rod during the stirring of the asphalt liquid; a cylinder discharge port 21 is arranged at the bottom of the mixing cylinder 2, and the discharge hopper 3 is arranged on a discharge hopper bracket of the base through a bolt;
the heating devices 31 are arranged at the outer sides of the primary asphalt charging barrel 3, the regenerated asphalt charging barrel 4 and the proportioning barrel 5, and the metering devices 32 are arranged at the discharge ports of the primary asphalt charging barrel 3, the regenerated asphalt charging barrel 4 and the proportioning barrel 5; the heating device 31 is internally provided with a resistance coil, and the resistance coil is electrified to heat each charging barrel; the metering device 31 is an asphalt flowmeter which generally adopts an elliptic gear flowmeter, the instrument has high measurement precision, is slightly influenced by the viscosity of liquid, has strong adaptability, can measure high-temperature and high-viscosity liquid, and does not need to be provided with a straight pipe section in front of the instrument; the raw materials are dried by the heating device 31 to remove moisture in the raw materials, so that the quality of the regenerated asphalt is ensured, and the quality of the regenerated asphalt is further improved by realizing accurate proportioning of the raw materials by the metering device 32; the discharge port 21 of the mixing drum 2 is provided with an electromagnetic valve and a discharge flowmeter 211; the electromagnetic valve is convenient for controlling the opening and closing of the discharge port 21, and the flow of the regenerated asphalt discharged from the mixing drum 2 can be accurately controlled through the discharge flowmeter 211, so that the waste of the regenerated asphalt is avoided;
referring to fig. 1, 2 and 3, an escalator 10 is installed at one side of the mixing drum 2, and the top end of the escalator 10 is installed above the upper plane of the mixing drum 2 through bolts; the escalator 10 is convenient for workers to enter the top of the mixing drum 2 for maintenance. The upper end of 2 sides of churn still is provided with smoke exhausting channel 22, dust pelletizing system is connected through the ring flange on top to smoke exhausting channel 22, dust pelletizing system can adopt ordinary sack cleaner, dust removal exhaust effect is better, can produce a large amount of smoke and dust and harmful substance among the pitch regeneration process, for guaranteeing can not run out a large amount of smoke and dust along with pitch when the ejection of compact, through set up smoke exhausting channel 22 and link to each other with dust pelletizing system in 2 sides of churn, the smoke and dust pollution of site environment has been reduced, staff's is further ensured healthy.
The working principle is as follows: the asphalt regeneration means that old asphalt pavement needing to be renovated or abandoned is dug, recovered, crushed and screened, and then mixed and stirred with a regenerant, new aggregate and new asphalt material according to a certain proportion to form a regenerated asphalt mixture with certain pavement performance for paving a pavement surface layer or a base course, the materials in a primary asphalt charging barrel 3, a regenerated asphalt charging barrel 4 and a proportioning barrel are heated and dried and then input into a stirring barrel 2 according to a certain proportion, a stirring motor 7 is started to drive a stirring main shaft 6 to rotate, a stirring rod 61 on the stirring main shaft 6 and a strip-shaped plate 62 on the stirring rod 61 are stirred, the strip-shaped plate 62 quickly stirs various mixed materials, a propelling impeller 8 below the stirring main shaft 6 drives asphalt liquid to rotate and flow to form a vortex, when the mixed asphalt is output from a discharge port 21, the propelling impeller 8 rotates to accelerate the outflow speed of the asphalt,
the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an agitating unit for pitch regeneration, includes base (1), churn (2) install primary pitch feed cylinder (3), regeneration pitch feed cylinder (4) and batching section of thick bamboo (5) on churn (2), its characterized in that: the middle stirring main shaft (6) that is provided with in churn (2), stirring main shaft (6) top links to each other with agitator motor (7), impeller (8) are installed to stirring main shaft (6) bottom, stirring main shaft (6) evenly are provided with a plurality of puddlers (61) along its radial direction, and puddler (61) along stirring main shaft (6) axial direction equidistance distribution, churn (2) bottom is provided with out hopper (9), it installs on the base to go out hopper (9).
2. The stirring device for asphalt recycling according to claim 1, wherein a plurality of strip-shaped plates (62) are uniformly arranged on the stirring rod (61) in the radial direction and are equidistantly arranged along the axial direction of the stirring rod (61), and both ends of each strip-shaped plate (62) are pointed.
3. An asphalt recycling stirring apparatus according to claim 1, wherein the discharge port (21) of the stirring drum (2) is provided with a discharge flow meter (211).
4. An asphalt recycling stirring device according to claim 1, wherein a heating device (31) is arranged in said raw asphalt cylinder (3), and the discharge ports of said raw asphalt cylinder (3), said recycled asphalt cylinder (4) and said blending cylinder (5) are provided with a metering device (32).
5. The stirring device for asphalt recycling according to claim 1, wherein an escalator (10) is installed at one side of the stirring cylinder (2), and the top end of the escalator (10) is above the upper plane of the stirring cylinder (2).
6. The stirring device for asphalt regeneration according to claim 1, wherein a smoke exhaust channel (22) is further arranged at the upper end of the side surface of the stirring cylinder (2), and the smoke exhaust channel (22) is connected with a dust removal system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921078232.3U CN210439103U (en) | 2019-07-11 | 2019-07-11 | Agitating unit is used in pitch regeneration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921078232.3U CN210439103U (en) | 2019-07-11 | 2019-07-11 | Agitating unit is used in pitch regeneration |
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| Publication Number | Publication Date |
|---|---|
| CN210439103U true CN210439103U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921078232.3U Active CN210439103U (en) | 2019-07-11 | 2019-07-11 | Agitating unit is used in pitch regeneration |
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| CN (1) | CN210439103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900195A (en) * | 2021-01-20 | 2021-06-04 | 湖南鑫长星机械设备有限公司 | Vertical shaft type asphalt mixture heating and stirring equipment and application thereof in pavement maintenance |
-
2019
- 2019-07-11 CN CN201921078232.3U patent/CN210439103U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900195A (en) * | 2021-01-20 | 2021-06-04 | 湖南鑫长星机械设备有限公司 | Vertical shaft type asphalt mixture heating and stirring equipment and application thereof in pavement maintenance |
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