Modified asphalt batching device

Abstract

The utility model provides a modified asphalt batching device which comprises a reaction kettle body and an end socket covering the top of the reaction kettle body, a stirring unit and a scraper assembly arranged at the tail end of the stirring unit are arranged in the reaction kettle body, the stirring unit comprises a first rod body, a second rod body and stirring blades, and the first rod body is connected with the second rod body. The first rod body and the second rod body are elastically connected, and a scraper blade of an arc-shaped structure is arranged on the scraper blade assembly; a spherical area is arranged at the bottom of the reaction kettle body, the scraping plate is matched with the cambered surface of the bottom of the reaction kettle body, the stirring unit drives the scraping plate to rotate in the rotary stirring process, and the scraping plate is in contact connection with the bottom of the reaction kettle body in the rotating process. According to the reaction kettle disclosed by the utility model, modified materials sliding down along with the inner wall of the reaction kettle body in the stirring process can be separated from the reaction kettle body again under the action of scraping, so that the modified materials can be fed into the reaction kettle body again for mixing reaction, and the mixing effect of the materials in the reaction kettle body is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to modified asphalt mixing processing field, and especially relates to a modified asphalt batching device. BACKGROUND

[0002] The modified asphalt batching device is used for adding corresponding modified materials into base asphalt to form modified asphalt with specific performance, mainly utilizes the distribution of modified materials in the asphalt to change or improve the performance of the asphalt, and the process is usually carried out in a reaction kettle with stirring and homogenizing capacity.

[0003] Since the asphalt has special characteristics and belongs to non-Newtonian fluid, the modified materials are not easy to be distributed into the asphalt by stirring, and are more likely to adhere to the inner wall of the reaction kettle under the action of centrifugal force and slide along the inner wall to the spherical area at the bottom of the reaction kettle under the action of stirring paddle, the existing technology mainly scrapes the vertical part of the inner wall of the reaction kettle and does not consider that the modified materials are easy to gather in the spherical area at the bottom of the reaction kettle under the traction of the asphalt, and the modified materials cannot be released into the mixed liquid by the scraping method. SUMMARY

[0004] The utility model provides a modified asphalt batching device, aims at solving the problems that the current scraping device mainly scrapes the vertical part of the inner wall of the reaction kettle and does not consider that the modified materials are easy to gather in the spherical area at the bottom of the reaction kettle under the traction of the asphalt, and the modified materials cannot be released into the mixed liquid by the existing scraping method.

[0005] The utility model is realized in this way, a modified asphalt batching device, comprising:

[0006] The reaction kettle body and the head cover combined on the top of the reaction kettle body are provided with a stirring unit and a scraper assembly at the end of the stirring unit in the inside of the reaction kettle body, the stirring unit comprises a first rod body, a second rod body and stirring blades, the first rod body and the second rod body are elastically connected, and the scraper assembly is provided with an arc-shaped scraper;

[0007] The bottom of the reaction kettle body is provided with a spherical area, the scraper is matched with the arc surface of the bottom of the reaction kettle body, the stirring unit drives the scraper to rotate in the rotating stirring process, and the scraper is in contact connection with the bottom of the reaction kettle body in the rotating process.

[0008] Preferably, the number of the scraper assemblies is two groups, the two groups of scraper assemblies are symmetrically arranged in the spherical area, the scraper assembly comprises a connecting rod body and a scraper arranged on the connecting rod body, the outer arc surfaces of the two groups of scrapers are attached to the spherical area at the bottom of the reaction kettle body, and the distance between the ends of the two groups of scrapers is not greater than the radius of the spherical area.

[0009] Preferably, a side support plate is further arranged on the connecting rod body, and a connecting plate is arranged on the scraper, and the connecting plate is fixedly connected with the side support plate through bolts.

[0010] Preferably, one end of the first rod body extends out of a sealing head, and a driving motor is arranged outside the sealing head.

[0011] Preferably, the sliding cavity comprises a limiting groove and a sliding groove, the limiting groove is smaller than the sliding groove in size, the cross section of the limiting groove is an arc structure, and the cross section of the sliding groove is a circular structure.

[0012] Preferably, one end of the second rod body is connected with the scraper assembly, and the other end of the second rod body is provided with a limiting rod segment, and a limiting sliding ring is further arranged on the second rod body, one end of the second rod body provided with the limiting rod segment extends into the sliding cavity, the limiting sliding ring slides in the sliding groove, and the limiting rod segment is inserted into the limiting groove.

[0013] Preferably, the diameter of the port of the sliding cavity is the same as the diameter of the second rod body, and the diameter of the limiting sliding ring is the same as the diameter of the sliding groove.

[0014] Preferably, a reset spring is arranged between the limiting sliding ring and the limiting rod segment on the second rod body, and the reset spring abuts the limiting sliding ring against the inner wall of the port of the sliding cavity.

[0015] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0016] The modified asphalt batching device provided by the utility model carries out scraping operation on the spherical area at the bottom of the reaction kettle body through the specially designed scraper structure, ensures that the modified material falling down along the inner wall of the reaction kettle body in the stirring process will be separated from the reaction kettle body again under the scraping action, enables the modified material to be put into the internal mixing reaction of the reaction kettle body again, improves the mixing effect of the materials in the reaction kettle body, and simultaneously converts the contact between the scraper assembly and the reaction kettle body from rigid contact into flexible contact through the elastic connection between the first rod body and the second rod body, avoids the damage of the hardness of the modified material to the scraper assembly under the rigid contact, and reduces the loss of the scraper assembly. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of a modified asphalt batching device provided by the utility model.

[0018] Figure 2 is a structural schematic view of a second rod body and a scraper assembly of a modified asphalt batching device provided by the utility model.

[0019] Figure 3It is the scraper assembly structure schematic view of the modified asphalt batching device.

[0020] Figure 4 It is the structure schematic view of the limiting sliding ring and the limiting rod section in the modified asphalt batching device.

[0021] Figure 5 It is the first rod body and the second rod body connecting structure schematic view of the modified asphalt batching device.

[0022] Marked for explanation:

[0023] 110, head; 120, reaction kettle body; 130, driving motor; 210, first rod body; 211, limiting groove; 212, sliding groove; 213, buffer rubber pad; 214, reset spring; 220, second rod body; 221, limiting sliding ring; 222, limiting rod section; 230, stirring blade; 300, scraper assembly; 310, connecting rod body; 320, side support plate; 330, connecting plate; 340, scraper. Specific implementation

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the description and claims of this application as well as the above discussion of the related art are intended to be illustrative only and not restrictive; the terminology used in the description and the claims of this application as well as the above discussion of the related art will be understood by those of ordinary skill in the art in construing the claims to include all equivalent structures and functions.

[0025] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiment, or to a single alternative embodiment.

[0026] The utility model embodiment provides a kind of modified asphalt batching device, as shown in Figures 1-5 The utility model provides a kind of modified asphalt batching device, as shown in

[0027] The head 110 and the reactor body 120 are internally provided with a stirring unit and a scraper assembly 300 at the end of the stirring unit, the stirring unit comprises a first rod 210, a second rod 220 and stirring blades 230, the first rod 210 and the second rod 220 are elastically connected, the scraper assembly 300 is provided with arc-shaped scrapers 340;

[0028] The head 110 is also provided with a driving motor 130, one end of the first rod 210 extends out of the head 110 and is meshed and connected with the motor shaft of the driving motor 130 provided outside the head 110, the power generated by the driving motor 130 drives the first rod 210 and the second rod 220 to rotate, and the stirring blades 230 are arranged on the side of the second rod 220;

[0029] The bottom of the reactor body 120 is provided with a spherical area, the scraper 340 is matched with the arc surface of the bottom of the reactor body 120, the stirring unit drives the scraper 340 to rotate in the process of rotating and stirring, and the scraper 340 is in contact with the bottom of the reactor body 120 in the process of rotating.

[0030] In the present application, the bottom of the reactor body 120 is scraped by the special structure of the scraper 340, which ensures that the modified material that falls off the inner wall of the reactor body 120 during stirring will be separated from the reactor body 120 again under the scraping action, so that it can be put into the mixing reaction in the reactor body 120 again, improving the mixing effect of the materials in the reactor body 120;

[0031] In addition, the elastic connection between the first rod 210 and the second rod 220 changes the contact between the scraper assembly 300 and the reactor body 120 from rigid contact to flexible contact, avoiding the damage of the hardness of the modified material to the scraper assembly 300 under rigid contact, and reducing the wear of the scraper assembly 300;

[0032] As a preferred embodiment in the present embodiment, the number of the scraper assembly 300 is two, and the two scraper assemblies 300 are symmetrically arranged in the spherical area, the scraper assembly 300 comprises a connecting rod 310, a side support plate 320 arranged at the end of the connecting rod 310, a connecting plate 330 and a scraper 340 arranged on the connecting plate 330, and the connecting plate 330 and the side support plate 320 are fixedly connected by bolts;

[0033] In this embodiment, the outer arc surface of the two groups of scrapers 340 is attached to the spherical area provided on the bottom of the reactor body 120, the two groups of scraper assemblies 300 are arranged along the diameter direction of the spherical area, and the contact area between the scraper assembly 300 and the spherical area during rotation is increased as much as possible by extending the scraper 340, and it is recommended that the distance between the two ends of the two groups of scrapers 340 is not greater than 1 / 5 of the radius of the spherical area; the modified material that slides on the inner wall of the reactor body 120 is scraped by the rotation of the scraper 340 to reduce deposition; although the scraper assembly 300 cannot completely cover the spherical area, most of the modified material collects from the vertical inner wall to the spherical area, and the area at the top of the spherical area is covered by the scraper 340, reducing the possibility of reaching the area that cannot be covered.

[0034] As a preferred embodiment in this embodiment, the first rod body 210 is provided with a sliding cavity accommodating the insertion of the second rod body 220 at the end away from the driving motor 130; the sliding cavity includes a limiting groove 211 and a sliding groove 212, the size of the limiting groove 211 is smaller than that of the sliding groove 212, the cross section of the limiting groove 211 is an arc structure, and the cross section of the sliding groove 212 is a circular structure; the aperture of the port of the sliding cavity is smaller than the diameter of the sliding groove 212; the diameter of the port of the sliding cavity is the same as the diameter of the second rod body 220;

[0035] The second rod body 220 is connected with the scraper assembly 300 at one end, and a limiting rod section 222 is provided at the other end of the second rod body 220; a limiting sliding ring 221 is also provided on the second rod body 220; the end of the second rod body 220 provided with the limiting rod section 222 extends into the sliding cavity; the limiting sliding ring 221 slides in the sliding groove 212; the limiting rod section 222 is inserted into the limiting groove 211; the diameter of the limiting sliding ring 221 is the same as that of the sliding groove 212; the limiting rod section 222 adopts a special cross section structure matched with the limiting groove 211 to ensure normal transmission of torque;

[0036] The connection between the second rod body 220 and the first rod body 210 is higher than the reaction liquid level inside the reactor body 120, reducing the influence of the reaction solution on the connection structure, and the port of the sliding cavity is sealed accordingly;

[0037] In this embodiment, a return spring 214 is nested between the limiting sliding ring 221 and the limiting rod section 222 on the second rod body 220; the return spring 214 abuts the limiting sliding ring 221 against the inner wall of the port of the sliding cavity; when a large extrusion force occurs between the scraper 340 and the spherical area on the bottom of the reactor body 120, the second rod body 220 will elastically contract to reduce the extrusion effect between the scraper 340 and the reactor body 120, avoiding damage to the scraper 340 caused by rigid contact and friction with the modified material.

[0038] In the embodiment, the end of the limiting groove 211 is also provided with a buffer rubber pad 213, so as to avoid the excessive impact force of the contraction of the limiting rod segment 222, and the secondary buffering is performed through the buffer rubber pad 213.

[0039] It should be noted that, for the foregoing embodiments, in order to simply describe, they are all expressed as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, certain steps can adopt other sequences or simultaneously perform.Secondly, those skilled in the art should know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily the utility model must have.

[0040] The above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor belong to the scope to be protected by the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete or make other adjustments to the features in each embodiment of the utility model according to the circumstances without creative labor, so as to obtain different other technical schemes which do not deviate from the concept of the utility model in essence, and these technical schemes also belong to the scope to be protected by the utility model.

Claims

1. A modified asphalt batching device, characterized in that, include: The reactor body and the head covering the top of the reactor body are provided. The reactor body is equipped with a stirring unit and a scraper assembly at the end of the stirring unit. The stirring unit includes a first rod, a second rod and stirring blades. The first rod and the second rod are elastically connected. The scraper assembly is equipped with an arc-shaped scraper. The bottom of the reactor body is provided with a spherical area, and the scraper is adapted to the arc surface of the bottom of the reactor body. During the rotation and stirring process, the stirring unit drives the scraper to rotate, and the scraper contacts and connects with the bottom of the reactor body during the rotation process.

2. The modified asphalt batching device as described in claim 1, characterized in that, The number of scraper assemblies is two sets, and the two sets of scraper assemblies are symmetrically arranged in the spherical area. Each scraper assembly includes a connecting rod and a scraper disposed on the connecting rod. The outer arc surfaces of the two sets of scrapers are attached to the bottom of the reactor body, which has a spherical area. The distance between the ends of the two sets of scrapers is no greater than / of the radius of the spherical area.

3. The modified asphalt batching device as described in claim 2, characterized in that, The connecting rod is also provided with a side support plate, and the scraper is provided with a connecting plate. The connecting plate and the side support plate are fixedly connected by bolts.

4. The modified asphalt batching device as described in claim 3, characterized in that, One end of the first rod extends into a cap and is connected to a drive motor on the outside of the cap, while the other end is provided with a sliding cavity to accommodate the insertion of the second rod.

5. A modified asphalt batching device as described in claim 4, characterized in that, The sliding cavity includes a limiting groove and a sliding groove. The limiting groove is smaller than the sliding groove. The limiting groove has an arc-shaped cross-section, and the sliding groove has a circular cross-section.

6. The modified asphalt batching device as described in claim 5, characterized in that, One end of the second rod is connected to the scraper assembly, and the other end of the second rod is provided with a limiting rod segment. The second rod is also provided with a limiting slip ring. One end of the second rod with the limiting rod segment extends into the sliding cavity. The limiting slip ring slides in the sliding groove, and the limiting rod segment is inserted into the limiting groove.

7. A modified asphalt batching device as described in claim 6, characterized in that, The port diameter of the sliding cavity is the same as the diameter of the second rod, and the diameter of the limiting slip ring is the same as the diameter of the sliding groove.

8. A modified asphalt batching device as described in claim 7, characterized in that, A return spring is nested between the upper limit slip ring and the limit rod segment of the second rod body, and the return spring holds the limit slip ring against the inner wall of the port of the sliding cavity.

Images