CN214830121U - Asphalt mixture preparation device - Google Patents

Asphalt mixture preparation device Download PDF

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Publication number
CN214830121U
CN214830121U CN202121165324.2U CN202121165324U CN214830121U CN 214830121 U CN214830121 U CN 214830121U CN 202121165324 U CN202121165324 U CN 202121165324U CN 214830121 U CN214830121 U CN 214830121U
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China
Prior art keywords
stirring
paddle
shaft
asphalt mixture
stirring shaft
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CN202121165324.2U
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Chinese (zh)
Inventor
吴占涛
李宝庆
汤英杰
黄佳诚
缪青婷
杨继书
雷锐
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Hunan University
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Hunan University
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Abstract

The utility model provides an asphalt mixture preparation facilities, including the agitator tank, be provided with the stirring chamber in the agitator tank, the upper end of agitator tank still is provided with the case lid, be provided with on the case lid and extend to the (mixing) shaft of stirring intracavity, be provided with the agitator on the (mixing) shaft, the agitator including set up in the unloading oar of (mixing) shaft upper end, the lower extreme of (mixing) shaft is provided with the material loading oar, still be provided with the stirring rake on the (mixing) shaft, the stirring rake stirring the material of stirring intracavity, the stirring rake is located the material loading oar with between the unloading oar. The material that the unloading oar made the stirring intracavity moves from top to bottom, and the material that the material oar made the stirring intracavity is by lower supreme motion, and the material stirring of intracavity is all pushed to the stirring rake with the unloading oar to the material that the stirring intracavity was all, and the material stirring of stirring intracavity is more even, and the modifier is difficult for floating, has optimized preparation facilities's performance.

Description

Asphalt mixture preparation device
Technical Field
The utility model belongs to the technical field of the pitch preparation, concretely relates to bituminous mixture preparation facilities.
Background
When preparing modified asphalt, because the modifier and the asphalt can be uniformly mixed at a certain high temperature, the asphalt is generally heated, then the asphalt is injected into a stirring tank, and then the modifier is added into the stirring tank, so that the rapid uniform mixing and compatible reaction of the modifier in the asphalt is realized.
The stirring device in the prior art has an unreasonable structure, and the modifier is easy to float upwards in the actual application process, so that the asphalt is stirred unevenly, and the device can be damaged or asphalt materials can be scrapped when the asphalt is serious.
SUMMERY OF THE UTILITY MODEL
The disclosure provides an asphalt mixture preparation device, aiming at solving the problem that a modifier is easy to float upwards in the asphalt preparation process in the prior art.
In order to solve the technical problem, the technical scheme adopted by the disclosure is as follows:
an asphalt mixture preparation device comprises a stirring box, wherein a stirring cavity is arranged in the stirring box, an opening is formed in the upper end of the stirring box, the opening is communicated with the stirring cavity, a box cover for closing the opening is further arranged at the upper end of the stirring box, a stirring shaft extending into the stirring cavity is arranged on the box cover, and a driving motor for driving the stirring shaft to rotate is arranged on the box cover;
the stirring shaft is provided with a stirrer, the stirrer comprises a blanking paddle arranged at the upper end of the stirring shaft, the blanking paddle enables materials in the stirring cavity to move from top to bottom, the lower end of the stirring shaft is provided with a loading paddle, the loading paddle enables the materials in the stirring cavity to move from bottom to top, the stirring shaft is further provided with a stirring paddle, the stirring paddle stirs the materials in the stirring cavity, and the stirring paddle is located between the loading paddle and the blanking paddle.
The further improved scheme is as follows: the blanking paddle is a spiral paddle, and the blanking paddle and the stirring shaft are of an integrated structure. The blanking paddle is easy to process.
The further improved scheme is as follows: the feeding paddle is a spiral paddle, the feeding paddle and the stirring shaft are of an integrated structure, and the rotating directions of the feeding paddle and the discharging paddle are opposite. The feeding paddle is easy to process.
The further improved scheme is as follows: the stirring paddle comprises a first stirring blade and a second stirring blade, the first stirring blade and the second stirring blade are uniformly distributed in the circumferential direction of the stirring shaft, wherein the first stirring blade protrudes out of the stirring shaft, and the length of the second stirring blade protrudes out of the stirring shaft. The stirring paddle has a better stirring effect, and the performance of the preparation device is optimized.
The further improved scheme is as follows: and the first stirring blade is provided with a flow disturbing hole which penetrates through the first stirring blade. The material has better stirring effect in the stirring cavity.
The further improved scheme is as follows: the cross-sectional area of the second stirring blade is not larger than that of the turbulence hole. The material has better stirring effect in the stirring cavity.
The further improved scheme is as follows: the first stirring blades and the second stirring blades are alternately arranged. The material has better stirring effect in the stirring cavity.
The further improved scheme is as follows: the outer wall of agitator tank is provided with the heater, the heater is provided with the insulation cover outward, the heater is located the insulation cover with between the agitator tank, still be provided with feed inlet and discharge gate on the agitator tank, the feed inlet is located the upper end of agitator tank, the discharge gate is located the lower extreme of agitator tank. The arrangement of the heat insulation sleeve reduces heat loss and reduces the use cost of the preparation device.
The beneficial effect of this disclosure does:
the asphalt mixture preparation device comprises a stirring box, wherein a stirring cavity is arranged in the stirring box, an opening is formed in the upper end of the stirring box and communicated with the stirring cavity, a box cover for closing the opening is further arranged at the upper end of the stirring box, a stirring shaft extending into the stirring cavity is arranged on the box cover, and a driving motor for driving the stirring shaft to rotate is arranged on the box cover;
the stirring shaft is provided with a stirrer, the stirrer comprises a blanking paddle arranged at the upper end of the stirring shaft, the blanking paddle enables materials in the stirring cavity to move from top to bottom, the lower end of the stirring shaft is provided with a loading paddle, the loading paddle enables the materials in the stirring cavity to move from bottom to top, the stirring shaft is further provided with a stirring paddle, the stirring paddle stirs the materials in the stirring cavity, and the stirring paddle is located between the loading paddle and the blanking paddle.
The material that the unloading oar made the stirring intracavity moves from top to bottom, and the material that the material oar made the stirring intracavity is by lower supreme motion, and the material stirring of intracavity is all pushed to the stirring rake with the unloading oar to the material that the stirring intracavity was all, and the material stirring of stirring intracavity is more even, and the modifier is difficult for floating, has optimized preparation facilities's performance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, 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 disclosure and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings may be obtained from the drawings without inventive effort.
Fig. 1 is a schematic view of an apparatus for preparing an asphalt mixture according to the present disclosure.
Fig. 2 is an exploded view of an apparatus for preparing asphalt mixture according to the present disclosure.
FIG. 3 is a schematic view of a first orientation of the agitator in accordance with the present disclosure.
FIG. 4 is a schematic view of a second orientation of the agitator in accordance with the present disclosure.
The reference numbers in the figures illustrate:
1-a stirring box; 11-a stirring chamber; 12-a heater; 13-insulating sleeve; 2-box cover; 21-a stirring shaft; 22-a blanking paddle; 23-a feeding paddle; 24-a stirring paddle; 241-a first stirring blade; 242-second stirring blade; 243-flow disturbing hole; and 3, driving a motor.
Detailed Description
The technical solution in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the disclosure without inventive step, are within the scope of the disclosure.
The first embodiment is as follows:
referring to fig. 1 to 4, an asphalt mixture preparation apparatus includes a stirring tank 1, a stirring chamber 11 is provided in the stirring tank 1, an opening is provided at an upper end of the stirring tank 1, the opening is communicated with the stirring chamber 11, a tank cover 2 for closing the opening is further provided at an upper end of the stirring tank 1, a stirring shaft 21 extending into the stirring chamber 11 is provided on the tank cover 2, and a driving motor 3 for driving the stirring shaft 21 to rotate is provided on the tank cover 2;
be provided with the agitator on the (mixing) shaft 21, the agitator including set up in the unloading oar 22 of (mixing) shaft 21 upper end, unloading oar 22 makes material in the stirring chamber 11 from top to bottom moves, the lower extreme of (mixing) shaft 21 is provided with material loading oar 23, material loading oar 23 makes material in the stirring chamber 11 is by lower supreme motion, still be provided with stirring rake 24 on the (mixing) shaft 21, stirring rake 24 stirs material in the stirring chamber 11, stirring rake 24 is located material loading oar 23 with between the unloading oar 22.
The stirring shaft 21 is rotatably connected to the box cover 2, a bearing can be arranged between the stirring shaft 21 and the box cover 2, and the bearing between the stirring shaft 21 and the box cover 2 can be a radial thrust bearing.
The bottom of the stirring cavity 11 can also be provided with a support bearing, and the support bearing is in contact with the stirring shaft 21 and plays a role in supporting the stirring shaft 21.
The driving motor 3 can be fixed on the stirring box 1 through screws, and the box cover 2 can be fixed on the stirring box 1 through screws. The case lid 2 can also be clamped on the stirring case 1, and the case lid 2 should not rotate relative to the stirring case 1.
The blanking paddle 22 is a spiral paddle, and the blanking paddle 22 and the stirring shaft 21 are of an integrated structure.
The feeding paddle 23 is a spiral paddle, the feeding paddle 23 and the stirring shaft 21 are of an integrated structure, and the rotating directions of the feeding paddle 23 and the discharging paddle 22 are opposite.
The stirring paddle 24 comprises a first stirring blade 241 and a second stirring blade 242, the first stirring blade 241 and the second stirring blade 242 are uniformly distributed along the circumferential direction of the stirring shaft 21, wherein the length of the first stirring blade 241 protruding the stirring shaft 21 is greater than the length of the second stirring blade 242 protruding the stirring shaft 21.
Both the first stirring blade 241 and the second stirring blade 242 can be welded to the stirring shaft 21, so that the stirring shaft 21 is easy to process.
The first stirring vane 241 is provided with a flow disturbing hole 243, and the flow disturbing hole 243 penetrates through the first stirring vane 241.
The cross-sectional area of the second agitating blade 242 is not greater than the cross-sectional area of the turbulent hole 243.
The first stirring blades 241 are alternately arranged with the second stirring blades 242.
The second agitating blade 242 may also be provided with a flow-disturbing hole 243. Because the linear velocity of the material closer to the stirring shaft 21 is lower, the material close to the stirring shaft 21 cannot be well stirred, and by arranging the second stirring blade 242, the linear velocity of the material close to the stirring shaft 21 can be effectively improved, and the stirring performance of the preparation device is optimized. The material near the stirring shaft 21 is stirred by the second stirring blade 242 and then is stirred by the turbulent holes 243, and the material near the stirring shaft 21 is uniformly stirred after being stirred for multiple times.
Example two:
the difference between this embodiment and the first embodiment is: the outer wall of agitator tank 1 is provided with heater 12, heater 12 is provided with insulation cover 13 outward, heater 12 is located insulation cover 13 with between the agitator tank 1, still be provided with feed inlet and discharge gate on the agitator tank 1, the feed inlet is located the upper end of agitator tank 1, the discharge gate is located the lower extreme of agitator tank 1.
The inlet and outlet ports are not shown in the figures. The arrangement positions of the feed inlet and the discharge outlet are not limited and can be freely selected. The specific structure of the heater 12 and the insulating cover 13 is not limited.
The preparation device of the asphalt mixture of the present disclosure is further described below with reference to the application mode:
the blanking paddle 22 and the feeding paddle 23 realize the up-and-down movement of materials in the stirring cavity 11, the stirring paddle 24 has the function of stirring the materials, the modifier is not easy to float upwards in the practical application process, and the performance of the preparation device is optimized.
The present disclosure is not limited to the above optional embodiments, and on the premise of no conflict, the schemes can be combined arbitrarily; any other products in various forms can be obtained in the light of the present disclosure, but any changes in shape or structure thereof fall within the scope of the present disclosure, which is defined by the claims.

Claims (8)

1. The utility model provides an asphalt mixture preparation facilities which characterized in that: the stirring device comprises a stirring box, wherein a stirring cavity is arranged in the stirring box, an opening is formed in the upper end of the stirring box and communicated with the stirring cavity, a box cover for closing the opening is further arranged at the upper end of the stirring box, a stirring shaft extending into the stirring cavity is arranged on the box cover, and a driving motor for driving the stirring shaft to rotate is arranged on the box cover;
the stirring shaft is provided with a stirrer, the stirrer comprises a blanking paddle arranged at the upper end of the stirring shaft, the blanking paddle enables materials in the stirring cavity to move from top to bottom, the lower end of the stirring shaft is provided with a loading paddle, the loading paddle enables the materials in the stirring cavity to move from bottom to top, the stirring shaft is further provided with a stirring paddle, the stirring paddle stirs the materials in the stirring cavity, and the stirring paddle is located between the loading paddle and the blanking paddle.
2. The asphalt mixture manufacturing apparatus according to claim 1, wherein: the blanking paddle is a spiral paddle, and the blanking paddle and the stirring shaft are of an integrated structure.
3. The asphalt mixture manufacturing apparatus according to claim 2, wherein: the feeding paddle is a spiral paddle, the feeding paddle and the stirring shaft are of an integrated structure, and the rotating directions of the feeding paddle and the discharging paddle are opposite.
4. An asphalt mixture preparing apparatus according to claim 3, wherein: the stirring paddle comprises a first stirring blade and a second stirring blade, the first stirring blade and the second stirring blade are uniformly distributed in the circumferential direction of the stirring shaft, wherein the first stirring blade protrudes out of the stirring shaft, and the length of the second stirring blade protrudes out of the stirring shaft.
5. The asphalt mixture manufacturing apparatus according to claim 4, wherein: and the first stirring blade is provided with a flow disturbing hole which penetrates through the first stirring blade.
6. An asphalt mixture preparing apparatus according to claim 5, wherein: the cross-sectional area of the second stirring blade is not larger than that of the turbulence hole.
7. The asphalt mixture manufacturing apparatus according to claim 6, wherein: the first stirring blades and the second stirring blades are alternately arranged.
8. The asphalt mixture manufacturing apparatus according to claim 1, wherein: the outer wall of agitator tank is provided with the heater, the heater is provided with the insulation cover outward, the heater is located the insulation cover with between the agitator tank, still be provided with feed inlet and discharge gate on the agitator tank, the feed inlet is located the upper end of agitator tank, the discharge gate is located the lower extreme of agitator tank.
CN202121165324.2U 2021-05-27 2021-05-27 Asphalt mixture preparation device Active CN214830121U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121165324.2U CN214830121U (en) 2021-05-27 2021-05-27 Asphalt mixture preparation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121165324.2U CN214830121U (en) 2021-05-27 2021-05-27 Asphalt mixture preparation device

Publications (1)

Publication Number Publication Date
CN214830121U true CN214830121U (en) 2021-11-23

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ID=78780528

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121165324.2U Active CN214830121U (en) 2021-05-27 2021-05-27 Asphalt mixture preparation device

Country Status (1)

Country Link
CN (1) CN214830121U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114717910A (en) * 2022-03-16 2022-07-08 陈大强 Asphalt environment-friendly stirring system and stirring method for highway construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114717910A (en) * 2022-03-16 2022-07-08 陈大强 Asphalt environment-friendly stirring system and stirring method for highway construction

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