RAP asphalt mortar preparation device

Abstract

The utility model belongs to the technical field of RAP asphalt mortar, and particularly relates to an RAP asphalt mortar preparation device which comprises a base and a heating and stirring assembly arranged on the surface of the base. The recycled waste asphalt mixture is placed into the mixed raw material tank after being subjected to pretreatment such as crushing and screening, a new material and a new asphalt mixture in a certain proportion are added for sufficient mixing and stirring, and the sleeve and the heating pipe are arranged on the surface of the mixed raw material tank, so that it can be ensured that asphalt is sufficiently mixed and stirred in an optimal constant-temperature state; the asphalt mixing degree is improved, the asphalt mixing viscosity is guaranteed, the utilization rate of recycled asphalt pavement materials is increased, good application and popularization value is achieved, in cooperation with a raw material conveying assembly, recycled asphalt is smashed and then placed on a transmission belt of a driving roller, and pretreated asphalt is conveyed into a mixed raw material tank to be stirred with new asphalt; the use and the operation are convenient, and the transportation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of RAP asphalt mortar, and specifically relates to a RAP asphalt mortar preparation device. Background Art

[0002] As the country vigorously promotes the recycling of waste pavement materials, asphalt pavement factory-mixed hot recycling technology has also received more attention. Factory-mixed hot recycling technology is a process that pre-treats waste asphalt mixture (RAP) by crushing and screening, adding a certain proportion of new materials and new asphalt (regeneration agent) for heating and mixing, so that RAP can be paved and reused again. The road performance after recycling is comparable to that of hot-mix asphalt mixture. Factory-mixed hot recycling technology is a green highway technology that responds to the country's requirements for the development of a circular economy and energy conservation and emission reduction, and has good promotion and application value;

[0003] After checking, the public (announcement) number: CN212091831U discloses an asphalt mixing device for construction projects that is easy to clean. This technology discloses "an asphalt mixing device for construction projects that is easy to clean, including a tank body, the top of the tank body is equipped with a top cover, and the bottom of the tank body is provided with a bottom plate; a stirring mechanism for stirring asphalt is arranged in the tank body, and a plurality of leg units for supporting the tank body are connected to the lower part of the tank body; a scraper mechanism that can move up and down along the inner wall of the tank body is used to scrape off asphalt adhered to the inner wall of the tank body; and a cleaning mechanism that penetrates into the tank body is used to spray the inner wall of the tank body, and other technical contents are disclosed, and this asphalt mixing device for construction projects that is easy to clean is disclosed. When the tank body of the asphalt mixing device needs to be cleaned, the cleaning of the asphalt mixing device can be achieved. ";

[0004] Although this design can achieve the cleaning of the asphalt mixing device, in actual use, due to the high viscosity of asphalt and the change in temperature, the hardness and viscosity of asphalt will also change. During asphalt processing, it is necessary to continuously stir in a constant temperature space to ensure that the asphalt material is in the best condition when used and is convenient for use during operations.

[0005] In order to solve the above problems, a RAP asphalt mortar preparation device is proposed in the present application. Utility Model Content

[0006] To solve the problems raised in the above background technology, the utility model provides a RAP asphalt mortar preparation device, which has a simple structure and can continuously stir the asphalt mixed material in a constant temperature space, improve the mixing degree of asphalt, improve the adhesion effect of asphalt, and ensure that the asphalt material is in the best state.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a RAP asphalt mortar preparation device, comprising a base, and also comprising a heating and stirring assembly arranged on the surface of the base;

[0008] The heating and stirring assembly includes a support frame installed on the surface of the base and a mixed raw material tank installed on the surface of the support frame; a feed pipe is installed on the surface of one end of the mixed raw material tank, and a discharge pipe is installed on the other end of the mixed raw material tank. An auger is rotated inside the mixed raw material tank, and both ends of the auger pass through the mixed raw material tank, one end of which is connected to a pulley b arranged on the outside of the mixed raw material tank, and the other end extends into the discharge pipe. A mounting seat is installed on the surface of the base, and a driving motor is installed on the surface of the mounting seat. A pulley a is installed on the output shaft of the driving motor, and a belt strip is provided between the pulley b and the pulley a. A sleeve is provided on the surface of the mixed raw material tank, and a heating pipe is provided inside the sleeve.

[0009] As a preferred RAP asphalt mortar preparation device of the utility model, the heating pipe is arranged in a spiral structure and is wound around the surface of the mixed raw material tank.

[0010] As a preferred embodiment of the RAP asphalt mortar preparation device of the utility model, the feed pipe is a conical structure.

[0011] As a preferred RAP asphalt mortar preparation device of the utility model, a discharge valve body is arranged inside the discharge pipe.

[0012] As a preferred RAP asphalt mortar preparation device of the utility model, it also includes a raw material conveying assembly arranged on the surface of the base, the raw material conveying assembly includes a conveying frame installed on the surface of the base and driving rollers installed on the two end surfaces of the conveying frame, a conveyor belt is arranged between the two driving rollers, and a plurality of groups of conveying rollers are installed on the surface of the conveying frame, and the conveyor belt slides on the surface of the conveying roller.

[0013] As a preferred RAP asphalt mortar preparation device of the utility model, a storage bin is installed on the surface of the conveying frame, and a material discharge shell is installed on the other side end of the conveying frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] A heating and stirring assembly is provided on this device. A mixed raw material tank is installed on a support frame, and an auger is arranged in the mixed raw material tank. The recycled waste asphalt mixture (RAP) is crushed, screened, and pre-processed before being put into the mixed raw material tank through a feed pipe. The drive motor on the mounting seat is started to drive the pulley a to rotate, and the pulley b on the auger is driven to rotate through the belt strip. A certain proportion of new materials and new asphalt mixtures are added for sufficient mixing and stirring. The performance of the recycled road asphalt can be comparable to that of hot-mixed asphalt. The processed asphalt mixture is discharged through a discharge pipe and stored in the mixed raw material tank. The sleeves and heating tubes are arranged on the surface to ensure that the asphalt is fully mixed and stirred at an optimal constant temperature, thereby improving the mixing degree of the asphalt, ensuring the viscosity of the asphalt mixture, and improving the utilization rate of recycled asphalt pavement materials. It has good promotion and application value, and cooperates with the raw material conveying components. When in use, driving rollers are installed at both ends of the conveying frame surface, and the driving conveyor belt is driven to move on the surface of the conveyor roller by starting the driving roller. The recycled asphalt is crushed and placed on the conveyor belt, so that the pre-treated asphalt can be conveniently conveyed to the mixed raw material tank for mixing with the new asphalt. It is more convenient to use and improves the transportation operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the mixed raw material tank in the utility model;

[0019] Figure 3 It is a left-side structural diagram of the utility model as a whole;

[0020] Figure 4 It is an enlarged view of point A in the utility model;

[0021] In the figure:

[0022] 1. Base;

[0023] 2. Heating and stirring assembly; 21. Support frame; 22. Mixing raw material tank; 23. Discharge pipe; 24. Auger; 25. Feed pipe; 26. Mounting seat; 27. Driving motor; 29. ​​Pulley a; 210. Belt strip; 211. Pulley b; 212. Casing; 213. Heating tube;

[0024] 3. Raw material conveying assembly; 31. Conveying frame; 32. Driving roller; 33. Storage bin; 34. Unloading shell; 35. Conveying roller; 36. Conveyor belt. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] like Figure 1-Figure 4 As shown;

[0028] A RAP asphalt mortar preparation device comprises a base 1.

[0029] In this embodiment: After checking the public (announcement) number: CN212091831U discloses an asphalt stirring device for construction projects that is easy to clean. This technology discloses "an asphalt stirring device for construction projects that is easy to clean, including a tank body, the top of the tank body is equipped with a top cover, and the bottom of the tank body is provided with a bottom plate; a stirring mechanism for stirring asphalt is arranged in the tank body, and a plurality of leg units for supporting the tank body are connected to the lower part of the tank body; a scraper mechanism that can move up and down along the inner wall of the tank body is used to scrape off the asphalt adhered to the inner wall of the tank body; and a cleaning mechanism that penetrates into the tank body is used to spray the inner wall of the tank body, etc., and discloses the asphalt for construction projects that is easy to clean Stirring device, when the tank body of the asphalt stirring device needs to be cleaned, the cleaning of the asphalt stirring device and other technical effects can be achieved". Although the design can achieve the cleaning of the asphalt stirring device, this design is actually used because the viscosity of asphalt is relatively large, and as the temperature changes, the hardness and viscosity of asphalt will also change. When processing asphalt, it is necessary to continuously stir it in a constant temperature space to ensure that the asphalt material is in the best state when used and to facilitate use during operations. In terms of actual use, this problem is obviously a real problem that exists and is difficult to solve. Therefore, in order to solve this technical problem, a heating and stirring component 2 and a raw material conveying component 3 are added to this application document.

[0030] More specifically:

[0031] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown;

[0032] In combination with the above content, it also includes a heating and stirring component 2 arranged on the surface of the base 1, and the heating and stirring component 2 includes a support frame 21 installed on the surface of the base 1 and a mixed raw material tank 22 installed on the surface of the support frame 21; a feed pipe 25 is installed on the surface of one end of the mixed raw material tank 22, and a discharge pipe 23 is installed on the other end of the mixed raw material tank 22. An auger 24 rotates inside the mixed raw material tank 22, and both ends of the auger 24 pass through the mixed raw material tank 22, one end of which is connected to the pulley b211 arranged on the outside of the mixed raw material tank 22, and the other end extends into the discharge pipe 23. A mounting seat 26 is installed on the surface of the base 1, and a driving motor 27 is installed on the surface of the mounting seat 26. The output shaft of the driving motor 27 is installed with a pulley a29, and a belt strip 210 is provided between the pulley b211 and the pulley a29. A sleeve 212 is provided on the surface of the mixed raw material tank 22, and a heating pipe 213 is provided inside the sleeve 212.

[0033] In this embodiment: by setting a heating and stirring component 2, by installing a mixed raw material tank 22 on a support frame 21, and by setting an auger 24 in the mixed raw material tank 22, the recycled waste asphalt mixture (RAP) is crushed, screened and pre-treated and then put into the mixed raw material tank 22 through a feed pipe 25, and by starting a drive motor 27 on a mounting seat 26, the pulley a29 is driven to rotate, and the pulley b211 on the auger 24 is driven to rotate through a belt strip 210, and a certain proportion of new materials and new asphalt mixtures are added for sufficient mixing and stirring. The performance of the regenerated road asphalt can be comparable to that of hot-mix asphalt mixtures. The processed asphalt mixture is discharged through a discharge pipe 23, and a sleeve 212 and a heating pipe 213 are set on the surface of the mixed raw material tank 22, which can ensure that the asphalt is fully mixed and stirred under an optimal constant temperature state, improve the mixing degree of the asphalt, ensure the viscosity of the asphalt mixture, and improve the utilization rate of the recycled asphalt pavement materials, which has good promotion and application value.

[0034] It should be noted that the heating tube 213 is connected to an external temperature control device, and the temperature of the heating tube 213 is adjusted by controlling the external device, and can be appropriately adjusted according to external changes in the use environment.

[0035] It should be noted that a discharge valve body is disposed inside the discharge pipe 23 .

[0036] In an optional embodiment, the heating tube 213 is arranged in a spiral structure and is wound around the surface of the mixed raw material tank 22 .

[0037] In this embodiment, the heating tube 213 is arranged in a threaded structure around the surface of the mixed raw material tank 22 so that the inside of the mixed raw material tank 22 can be heated more evenly, ensuring that the asphalt mixed raw material can be stirred more evenly and ensuring the best state of the asphalt when used.

[0038] In an optional embodiment, the feed pipe 25 is a conical structure.

[0039] In this embodiment, by installing the feeding pipe 25 with a conical structure, the raw materials can be easily put into the mixed raw material tank 22 to avoid the scattering of raw materials during the discharge process, which causes waste of resources.

[0040] Going further:

[0041] like Figure 1 and Figure 3 As shown;

[0042] In combination with the above content, it also includes a raw material conveying component 3 arranged on the surface of the base 1, and the raw material conveying component 3 includes a conveying frame 31 installed on the surface of the base 1 and driving rollers 32 installed on the surfaces of both ends of the conveying frame 31, and a conveyor belt 36 is arranged between the two driving rollers 32. A plurality of groups of conveying rollers 35 are installed on the surface of the conveying frame 31, and the conveyor belts 36 slide on the surfaces of the conveying rollers 35.

[0043] In this embodiment: and in conjunction with the raw material conveying component 3, when in use, by installing driving rollers 32 at both ends of the surface of the conveying frame 31, the driving rollers 32 are started to drive the conveyor belt 36 to move on the surface of the conveying roller 35, and the recovered asphalt is crushed and placed on the conveyor belt 36, so that the pre-treated asphalt can be easily conveyed to the mixed raw material tank 22 for mixing with the new asphalt, which is more convenient to use and improves the transportation operation efficiency.

[0044] In an optional embodiment, a material storage bin 33 is installed on the surface of the conveying frame 31 , and a material discharge shell 34 is installed on the other side end of the conveying frame 31 .

[0045] In this embodiment: by installing a storage bin 33, the crushed asphalt material is placed in the storage bin 33, and by starting the driving roller 32 to rotate the conveyor belt, the crushed asphalt material is driven into the discharge shell 34 and conveyed to the mixed raw material tank 22, so as to recycle and reuse the asphalt on the asphalt pavement.

[0046] The working principle and use process of the utility model are as follows: by setting a heating and stirring component 2, by installing a mixed raw material tank 22 on a support frame 21, and by setting an auger 24 in the mixed raw material tank 22, the recycled waste asphalt mixture (RAP) is crushed, screened and pre-treated and then put into the mixed raw material tank 22 through a feed pipe 25, and by starting a drive motor 27 on a mounting seat 26, a pulley a29 is driven to rotate, and a pulley b211 on the auger 24 is driven to rotate through a belt strip 210, and a certain proportion of new materials and new asphalt mixtures are added for sufficient mixing and stirring, and the performance of the regenerated road asphalt can be comparable to that of hot-mix asphalt mixtures, and the processed asphalt mixture is discharged through a discharge pipe 23, and a sleeve 212 and a heating pipe 213 are set on the surface of the mixed raw material tank 22, so as to ensure that the asphalt is fully mixed and stirred in an optimal constant temperature state, improve the mixing degree of the asphalt, ensure the viscosity of the asphalt mixture, and improve the utilization rate of the recycled asphalt pavement materials, which has good promotion and application value, and the heating The tube 213 is connected to an external temperature control device. The temperature of the heating tube 213 is adjusted by controlling the external device. It can be appropriately adjusted according to the external changes in the use environment. By installing a conical feeding pipe 25, the raw materials can be easily put into the mixed raw material tank 22 to avoid the scattering of raw materials during the discharge process, resulting in waste of resources. In conjunction with the raw material conveying component 3, when in use, driving rollers 32 are installed at both ends of the surface of the conveying frame 31, and the driving conveyor belt 36 is driven to move on the surface of the conveying roller 35 by starting the driving roller 32. The recovered asphalt is crushed and placed on the conveyor belt 36, so that the pre-treated asphalt is conveniently conveyed to the mixed raw material tank 22 for mixing with the new asphalt. It is more convenient to use and improves the transportation operation efficiency. By installing a storage bin 33, the crushed asphalt material is placed in the storage bin 33, and the driving roller 32 is started to rotate the conveyor belt to drive the crushed asphalt material into the discharge shell 34 and convey it to the mixed raw material tank 22, so as to recycle and reuse the asphalt on the asphalt pavement.

[0047] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A RAP asphalt mortar preparation device, comprising a base (1), characterized in that: It also includes a heating and stirring component (2) arranged on the surface of the base (1); The heating and stirring assembly (2) comprises a support frame (21) mounted on the surface of the base (1) and a mixed raw material tank (22) mounted on the surface of the support frame (21); a feed pipe (25) is mounted on the surface of one end of the mixed raw material tank (22), and a discharge pipe (23) is mounted on the other end of the mixed raw material tank (22); an auger (24) is rotated inside the mixed raw material tank (22), and both ends of the auger (24) penetrate the mixed raw material tank (22), and one end of the auger is connected to a auger disposed outside the mixed raw material tank (22). The base (1) is connected to a pulley b (211), and the other end extends into the discharge pipe (23); a mounting seat (26) is installed on the surface of the base (1); a driving motor (27) is installed on the surface of the mounting seat (26); a pulley a (29) is installed on the output shaft of the driving motor (27); a belt strip (210) is provided between the pulley b (211) and the pulley a (29); a sleeve (212) is provided on the surface of the mixed raw material tank (22), and a heating tube (213) is provided inside the sleeve (212).

2. The RAP asphalt mortar preparation device according to claim 1, characterized in that: The heating tube (213) is arranged in a spiral structure and is wound around the surface of the mixed raw material tank (22).

3. The RAP asphalt mortar preparation device according to claim 1, characterized in that: The feeding pipe (25) is a conical structure.

4. The RAP asphalt mortar preparation device according to claim 1, characterized in that: A discharge valve body is arranged inside the discharge pipe (23).

5. The RAP asphalt mortar preparation device according to claim 1, characterized in that: It also includes a raw material conveying assembly (3) arranged on the surface of the base (1), the raw material conveying assembly (3) including a conveying frame (31) installed on the surface of the base (1) and driving rollers (32) installed on the surfaces of both ends of the conveying frame (31), a conveying belt (36) is arranged between the two driving rollers (32), and a plurality of groups of conveying rollers (35) are installed on the surface of the conveying frame (31), and the conveying belt (36) slides on the surface of the conveying roller (35).

6. The RAP asphalt mortar preparation device according to claim 5, characterized in that: A material storage bin (33) is installed on the surface of the conveying frame (31), and a material discharge shell (34) is installed on the other side end of the conveying frame (31).

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