Heating device for asphalt concrete production

By introducing a combined design of the inner barrel and the screening plate into the heating device, the problem of the inability to separate impurities in traditional devices is solved, and the purification and efficient heating of asphalt concrete raw materials are achieved.

CN223088230UActive Publication Date: 2025-07-11MACHENG CENTURY UNITED INVESTMENT CONSTRUCTION & DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202422272329.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-07-11
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

Traditional asphalt concrete production equipment cannot effectively separate fine particles and impurities during the heating process, resulting in inconvenience in subsequent processing.

Method used

A heating device including an inner barrel and an outer barrel is designed. The inner barrel is rotatable and has a screening plate with a screening hole on the screening plate for separation of impurities during heating, and combining a driving motor and an inclined assembly to achieve effective separation of impurities.

Benefits of technology

The purification of asphalt concrete raw materials during the heating process is achieved, the subsequent cleaning process is simplified, and the production efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heating device for asphalt concrete production, which comprises an inner barrel and an outer barrel, the inner barrel and the outer barrel are arranged in the same opening direction, a driving motor is arranged on the left end face of the outer barrel, and the outer barrel and the inner barrel are arranged in the same opening direction. An output shaft of the driving motor penetrates through the outer wall of the outer barrel and is coaxially connected with the inner barrel, a discharging pipe is arranged at the bottom of the left side of the outer barrel, and the side, facing an opening of the inner barrel, of the outer end face of the inner barrel is connected with the inner wall of the outer barrel through a sliding assembly; a plurality of supporting assemblies are distributed on the outer end face of the outer barrel at intervals, a mounting plate is arranged at the bottoms of the multiple supporting assemblies, and the bottom of the mounting plate is connected with the base through an inclined assembly. According to the asphalt concrete raw material heating device, fine particles, gravel and other impurities in raw materials can be effectively separated out while asphalt concrete raw materials are heated, it is guaranteed that the heated asphalt concrete raw materials are purer, and the asphalt concrete raw material heating device is convenient to use.
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Description

Technical Field

[0001] The utility model relates to the technical field of asphalt concrete processing, in particular to a heating device for asphalt concrete production. Background Technique

[0002] Asphalt concrete, commonly known as asphalt concrete, is a mixture made of artificially selected mineral materials (including crushed stones, crushed gravel, stone chips, sand, mineral powder, etc.) and a certain proportion of road asphalt materials, which are mixed under strict control conditions.

[0003] In the traditional asphalt concrete production process, the heating device plays a crucial role. Its main responsibility is to heat the raw materials to an appropriate temperature for subsequent processing.

[0004] However, these traditional heating devices are often relatively simply designed and can only perform heating, unable to take into account the screening function. As a result, it is inevitable that impurities such as fine particles and sand and gravel are contained in the heated asphalt concrete raw materials. Therefore, it is more inconvenient to clean the impurities in the asphalt concrete raw materials in the subsequent processing steps. Thus, a heating device for asphalt concrete production is proposed to solve the above problems. Content of the Utility Model

[0005] (I) Purpose of the Utility Model

[0006] To solve the technical problems in the background technique, the utility model proposes a heating device for asphalt concrete production, which can effectively separate fine particles, sand and gravel and other impurities in the raw materials while heating the asphalt concrete raw materials, ensuring that the heated asphalt concrete raw materials are purer and more convenient.

[0007] (II) Technical Solution

[0008] The utility model provides a heating device for asphalt concrete production, including an inner barrel and an outer barrel. Inside the inner barrel and the outer barrel, the opening directions of the outer barrel and the inner barrel are the same. A driving motor is provided on the left end face of the outer barrel. The output shaft of the driving motor penetrates through the outer wall of the outer barrel and is coaxially connected with the inner barrel. A discharge pipe is provided at the bottom on the left side of the outer barrel. One side of the outer end face of the inner barrel facing the opening of the inner barrel is connected to the inner wall of the outer barrel through a sliding component. A plurality of support components are distributed at intervals on the outer end face of the outer barrel. A mounting plate is provided at the bottom of the plurality of support components. The bottom of the mounting plate is connected to a base through an inclined component. Screening plates are annularly and arrayedly penetrated on the inner end face of the inner barrel. Heating plates are embedded between the inner end faces of the screening plates and between a plurality of adjacent two of the screening plates.

[0009] Preferably, a number of screening holes penetrate through the screening plates.

[0010] Preferably, the sliding assembly includes a slider and an annular slide rail. The annular slide rail is provided on the inner end face of the outer barrel and faces the opening side of the outer barrel. The inner end face of the annular slide rail is connected to the outer end face of the inner barrel through a plurality of sliders, and the slider is slidably connected to the annular slide rail.

[0011] Preferably, the support assembly includes a fixing ring and a support rod. The fixing ring is sleeved on the outer end face of the outer barrel, and both the front and rear sides of the fixing ring are connected to the mounting plate through the support rod.

[0012] Preferably, the tilting assembly includes an electric push rod and a heightening block. The heightening block is provided on the right side of the inclined surface at the upper end of the base, and the heightening block is hinged to the bottom of the mounting plate. The inclined surface of the upper end face of the base is connected through the bottoms of a plurality of spaced mounting plates.

[0013] Preferably, the connection modes of the upper and lower sides of the electric push rod to the mounting plate and the base are both hinged.

[0014] Preferably, a protective ring is provided on the outer end face of the inner barrel and on the right side of the opening of the outer barrel.

[0015] Compared with the prior art, the above technical solution of the present invention has the following beneficial technical effects:

[0016] For the heating device for asphalt concrete production, first pour the asphalt concrete raw materials into the interior of the inner barrel, and then start the driving motor. The driving motor can drive the rotating inner barrel for heating, so as to heat the asphalt concrete raw materials. Moreover, the fine particles, sand and other impurities in the asphalt concrete raw materials can pass through the multiple screening holes on the screening plate and then enter the interior of the outer barrel, and finally fall out through the discharge pipe. It can effectively separate the fine particles, sand and other impurities in the raw materials while heating the asphalt concrete raw materials, ensuring that the heated asphalt concrete raw materials are purer, which is relatively convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. is a schematic structural diagram of a heating device for asphalt concrete production proposed by the present invention.

[0018] Figure 2 FIG. is a left view of a heating device for asphalt concrete production proposed by the present invention.

[0019] Figure 3 FIG. is a structural diagram of the interior of the outer barrel in a heating device for asphalt concrete production proposed by the present invention.

[0020] Reference numerals: 1, discharge pipe; 2, outer barrel; 3, electric push rod; 4, fixing ring; 5, mounting plate; 6, support rod; 7, base; 8, heightening block; 9, screening plate; 10, screening holes; 11, inner barrel; 12, heating plate; 13, protective ring; 14, drive motor; 15, slider; 16, annular slide rail. Detailed implementation manners

[0021] To make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below in combination with the detailed implementation manners and with reference to the accompanying drawings. It should be understood that these descriptions are merely exemplary and are not intended to limit the scope of the present utility model. In addition, in the following description, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present utility model.

[0022] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0023] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, such as welding, riveting, bonding, etc., or a detachable connection, such as screw connection, key connection, pin connection, etc., or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] As Figures 1 - 3As shown in the figure, a heating device for asphalt concrete production proposed by the present utility model includes an inner barrel 11 and an outer barrel 2. Inside the inner barrel 11 and the outer barrel 2, the opening directions of the outer barrel 2 and the inner barrel 11 are the same. A driving motor 14 is provided on the left end face of the outer barrel 2. The output shaft of the driving motor 14 penetrates through the outer wall of the outer barrel 2 and is coaxially connected to the inner barrel 11. A discharge pipe 1 is provided at the bottom on the left side of the outer barrel 2. The outer end face of the inner barrel 11 facing the opening of the inner barrel 11 is connected to the inner wall of the outer barrel 2 through a sliding assembly. A plurality of support assemblies are distributed at intervals on the outer end face of the outer barrel 2. A mounting plate 5 is provided at the bottom of the plurality of support assemblies. The bottom of the mounting plate 5 is connected to a base 7 through an inclination assembly. A screening plate 9 is annularly arrayed and penetrated on the inner end face of the inner barrel 11. A heating plate 12 is embedded between the inner end face of the screening plate 9 and between a plurality of adjacent two screening plates 9. The inner wall of the outer barrel 2 is smooth.

[0025] In the present utility model, when processing asphalt concrete, it is necessary to heat the raw materials of asphalt concrete. When heating, first pour the raw materials of asphalt concrete into the inside of the inner barrel 11, and then start a plurality of heating plates 12 and the driving motor 14. The plurality of heating plates 12 can heat the raw materials of asphalt concrete, and the driving motor 14 drives the inner barrel 11 to rotate, so as to stir the heated asphalt concrete raw materials in the inner barrel 11, so as to uniformly heat the asphalt concrete raw materials inside the inner barrel 11. Fine particles, sand and other impurities in the asphalt concrete raw materials can enter the inside of the outer barrel 2 through a plurality of screening plates 9, then slide down along the inner wall of the outer barrel 2, and finally fall out through the discharge pipe 1. After the asphalt concrete raw materials are heated, through the inclination assembly, the mounting plate 5 can be driven to tilt, so as to drive the inner barrel 11 to rotate, making the opening of the inner barrel 11 face downward, so as to facilitate the discharge of the asphalt concrete raw materials inside the inner barrel 11; and through the sliding assembly, the stability of the inner barrel 11 during rotation can be ensured.

[0026] In an optional embodiment, a number of screening holes 10 penetrate through the screening plate 9.

[0027] It should be noted that fine particles, sand and other impurities can enter the inner wall of the outer barrel 2 through a number of screening holes 10.

[0028] In an optional embodiment, the sliding assembly includes a slider 15 and an annular slide rail 16. The annular slide rail 16 is provided on the inner end face of the outer barrel 2 and faces the opening side of the outer barrel 2. The inner end face of the annular slide rail 16 is connected to the outer end face of the inner barrel 11 through a plurality of sliders 15. The slider 15 is slidably connected to the annular slide rail 16. The openings of the inner barrel 11 and the outer barrel 2 are located at the same center of the circle.

[0029] It should be noted that when the inner barrel 11 rotates, the inner barrel 11 can drive a plurality of sliders 15 to rotate in the chute of the annular slide rail 16.

[0030] In an alternative embodiment, the support assembly includes a fixed ring 4 and a support rod 6. The fixed ring 4 is sleeved on the outer end face of the outer barrel 2, and both the front and rear sides of the fixed ring 4 are connected to the mounting plate 5 through the support rod 6.

[0031] It should be noted that the fixed ring 4 is fixed on the outer end face of the outer barrel 2, and then the outer barrel 2 is fixed on the mounting plate 5 through the support rods 6 located on both sides of the fixed ring 4.

[0032] In an alternative embodiment, the tilting assembly includes an electric push rod 3 and a heightening block 8. The heightening block 8 is arranged on the right side of the inclined surface at the upper end of the base 7. The heightening block 8 is hinged to the bottom of the mounting plate 5. The inclined surface of the upper end face of the base 7 is connected through the bottoms of a plurality of spaced mounting plates 5. The connection modes of the upper and lower sides of the electric push rod 3 with the mounting plate 5 and the base 7 are both hinged.

[0033] It should be noted that by extending and retracting a plurality of electric push rods 3, the mounting plate 5 can be driven to rotate, and the inner barrel 11 can be driven to rotate through a plurality of support assemblies and the outer barrel 2.

[0034] In an alternative embodiment, a protective ring 13 is arranged on the outer end face of the inner barrel 11 and on the right side of the opening of the outer barrel 2.

[0035] It should be noted that through the protective ring 13, the sliding assembly can be blocked to prevent contact between the staff and the sliding assembly when the inner barrel 11 rotates, thus avoiding damage.

[0036] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heating device for asphalt concrete production, comprising an inner barrel (11) and an outer barrel (2). Inside the inner barrel (11) and the outer barrel (2), the opening directions of the outer barrel (2) and the inner barrel (11) are the same. A driving motor (14) is provided on the left end face of the outer barrel (2). The output shaft of the driving motor (14) penetrates through the outer wall of the outer barrel (2) and is coaxially connected to the inner barrel (11), characterized in that, A discharge pipe (1) is provided at the bottom on the left side of the outer barrel (2). The outer end surface of the inner barrel (11) on the side facing the opening of the inner barrel (11) is connected to the inner wall of the outer barrel (2) through a sliding assembly. A plurality of support assemblies are spacedly distributed on the outer end surface of the outer barrel (2). An installation plate (5) is provided at the bottom of the plurality of support assemblies. The bottom of the installation plate (5) is connected to a base (7) through an inclination assembly. A plurality of screening plates (9) penetrate through the inner end surface of the inner barrel (11) in an annular array. A heating plate (12) is embedded on the inner end surface of the screening plate (9) and between every two adjacent screening plates (9).

2. The heating device for asphalt concrete production according to claim 1, wherein, A number of screening holes (10) penetrate through the screening plate (9).

3. The heating device for asphalt concrete production according to claim 1, characterized in that, The sliding assembly includes a slider (15) and an annular slide rail (16). The annular slide rail (16) is provided on the inner end surface of the outer barrel (2) and on the side facing the opening of the outer barrel (2). The inner end surface of the annular slide rail (16) is connected to the outer end surface of the inner barrel (11) through a plurality of sliders (15). The slider (15) is slidably connected to the annular slide rail (16).

4. A heating device for asphalt concrete production according to claim 1, characterized in that, The support assembly includes a fixing ring (4) and a support rod (6). The fixing ring (4) is sleeved on the outer end surface of the outer barrel (2). Both the front and rear sides of the fixing ring (4) are connected to the installation plate (5) through the support rod (6).

5. An asphalt concrete production heating device according to claim 1, characterized in that, The inclination assembly includes an electric push rod (3) and a heightening block (8). The heightening block (8) is provided on the right side of the inclined surface at the upper end of the base (7). The heightening block (8) is hinged to the bottom of the installation plate (5). The inclined surface of the upper end surface of the base (7) is connected to the bottoms of a plurality of spaced-apart installation plates (5).

6. The heating device for asphalt concrete production according to claim 5, characterized in that, The connection modes of the upper and lower sides of the electric push rod (3) with the installation plate (5) and the base (7) are both hinged connections.

7. An asphalt concrete production heating device according to claim 1, characterized in that, A protective ring (13) is provided on the outer end surface of the inner barrel (11) and on the right side of the opening of the outer barrel (2).