Asphalt high-efficiency heating device with filtering function

By combining multi-layer heat-conducting pipes and a sieve plate structure, the problems of low heating efficiency and inconvenient residue removal in existing asphalt heating equipment are solved, achieving efficient heating and residue removal, and improving construction efficiency and quality.

CN224338056UActive Publication Date: 2026-06-09YUNNAN JIAOTOU HIGHWAY CONSTR NO 5 ENG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUNNAN JIAOTOU HIGHWAY CONSTR NO 5 ENG CO LTD
Filing Date
2025-05-27
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing asphalt heating equipment has low heating efficiency and cannot effectively remove residues, which affects construction speed and quality.

Method used

It adopts a multi-layer heat-conducting pipe and sieve plate structure, and achieves effective heating and residue removal of asphalt through integrated sieve plate filtration and heat-conducting pipe heating.

Benefits of technology

It improves heating efficiency and construction speed, ensures uniform heating of asphalt, effectively removes residues from asphalt, and enhances construction quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224338056U_ABST
    Figure CN224338056U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of asphalt efficient heating devices with filtering effect, including container main body, multiple heat pipes are arranged in the container main body, the middle part of the container main body is provided with first sieve plate, the upper portion of the container main body is provided with second sieve plate;The heat pipe is communicated by conduit between the heat pipe, the uppermost heat pipe is connected with hot oil outlet pipe, the lowermost heat pipe is connected with hot oil inlet pipe;The container main body lower end is provided with discharge valve.The utility model has the advantages that: cooperation of first sieve plate and second sieve plate can filter out residue in asphalt, and also can reduce the flow rate of asphalt in the heating shell, improve asphalt heating efficiency.
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Description

Technical Field

[0001] The utility model relates to the technical field of asphalt processing equipment, and particularly relates to an efficient asphalt heating device with a filtering function. Background Art

[0002] As an organic cementitious material, asphalt has been widely used in the field of road construction due to its excellent waterproof, moisture-proof and anti-corrosion properties. In the actual application process, in order to ensure that asphalt has good fluidity and adhesiveness, it is usually necessary to heat it. However, the existing asphalt heating equipment has the problem of low heating efficiency, which may lead to uneven heating of the heated asphalt, resulting in the need for some asphalt to be reheated to reach the ideal use state, thus having an adverse impact on the construction rate. In addition, the current heating device cannot effectively remove the residues contained in the asphalt during heating, which means that even after the initial heating process, special steps are still required to remove these residues, further slowing down the entire construction process. To solve these problems, the utility model provides an efficient asphalt heating device with a filtering function, aiming to integrally solve the above-mentioned problems of low heating efficiency and inconvenient residue removal, thereby effectively improving the construction rate and quality. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide an efficient asphalt heating device with a filtering function.

[0004] To solve the above technical problem, the technical solution of the utility model is as follows:

[0005] An efficient asphalt heating device with a filtering function includes a container body, in which multiple layers of heat conduction tubes are arranged. A first sieve plate is arranged in the middle of the container body, and a second sieve plate is arranged at the upper part of the container body; the heat conduction tubes are connected by a conduit, the heat conduction tube at the uppermost layer is connected with a hot oil outlet tube, and the heat conduction tube at the lowermost layer is connected with a hot oil inlet tube; a discharge valve is arranged at the lower end of the container body.

[0006] Preferably, the heat conduction tubes are in a rectangular spiral shape, and support frames are arranged between the heat conduction tubes, between the heat conduction tubes and the first sieve plate, and between the heat conduction tubes and the second sieve plate.

[0007] Preferably, the support frames are in a cross shape.

[0008] Preferably, the radius of the sieve holes in the first sieve plate is 0.6 - 0.8 cm; the radius of the sieve holes in the second sieve plate is 1.0 - 1.2 cm.

[0009] Preferably, the cross section of the container body is rectangular, and the first sieve plate and the second sieve plate are rectangular.

[0010] Preferably, the heat pipe is a finned tube.

[0011] The above technical solution has the following advantages:

[0012] This invention utilizes a combination of heat-conducting pipes, a first screen plate, and a second screen plate to achieve effective heating and filtration of asphalt. When the asphalt enters the container body, it first passes through the second screen plate, where larger particles are initially filtered out. The filtered asphalt then enters the heat-conducting pipes on the upper side of the first screen plate for initial heating. After heating, the asphalt undergoes a second filtration through the first screen plate to remove smaller particles. Subsequently, the filtered asphalt continues to enter the heat-conducting pipe assembly on the lower side of the first screen plate for further heating. Through the synergistic effect of the first and second screen plates, not only are various residues in the asphalt effectively filtered out, but the flow rate of the asphalt within the container body is also slowed down to a certain extent, thereby improving heating efficiency and ensuring uniform heating of the asphalt. This invention improves the heating rate while effectively removing residues from the asphalt, thus enhancing overall construction efficiency and quality. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 for Figure 1 A bottom view of the first sieve plate and its support frame after assembly;

[0015] Figure 3 for Figure 1 Schematic diagram of the structure of the second sieve plate;

[0016] Figure 4 for Figure 1 A schematic diagram of the structure of the heat pipe.

[0017] In the picture:

[0018] 1-Container body, 2-Heat conduction pipe, 3-First sieve plate, 4-Second sieve plate, 5-Conduit pipe, 6-Hot oil outlet pipe, 7-Hot oil inlet pipe, 8-Discharge valve, 9-Support frame. Detailed Implementation

[0019] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0020] As shown in the attached figure, a high-efficiency asphalt heating device with filtration function includes a container body 1, which is equipped with six layers of heat-conducting pipes 2. A first screen plate 3 is provided in the middle of the container body 1, and a second screen plate 4 is provided in the upper part of the container body 1. The heat-conducting pipes 2 are connected by conduits 5. The uppermost heat-conducting pipe 2 is connected to a hot oil outlet pipe 6, and the lowermost heat-conducting pipe 2 is connected to a hot oil inlet pipe 7. A discharge valve 8 is provided at the lower end of the container body 1.

[0021] As a preferred embodiment, the heat-conducting pipe 2 is in the form of a rectangular spiral, and support frames 9 are provided between the heat-conducting pipes 2, between the heat-conducting pipe 2 and the first sieve plate 3, and between the heat-conducting pipe 2 and the second sieve plate 4. The support frames 9 are preferably in a star shape. By providing support frames 9, the spacing between the components can be maintained, ensuring heat exchange efficiency.

[0022] As a preferred technical solution in this embodiment, the radius of the sieve holes in the first sieve plate 3 is 0.6-0.8cm; the radius of the sieve holes in the second sieve plate 4 is 1.0-1.2cm.

[0023] As a preferred technical solution in this embodiment, the container body 1 has a rectangular cross-section, and the first sieve plate 3 and the second sieve plate 4 are rectangular.

[0024] As a preferred technical solution in this embodiment, the heat pipe 2 is a finned tube, which can further improve the heat exchange efficiency.

[0025] In use, the asphalt to be heated is injected into the container body 1. The asphalt first passes through the second screen plate 4 to filter out larger particles and slow down the downward flow of the asphalt. The filtered asphalt then enters the heat-conducting pipe 2 for initial heating. Under gravity, the asphalt continues to fall and is filtered again by the first screen plate 3 to remove smaller particles. The filtered asphalt then enters the heat-conducting pipe 2 located below the first screen plate 3 for further heating. The combined use of the first screen plate 3 and the second screen plate 4 not only effectively removes various residues from the asphalt but also reduces the flow rate of the asphalt within the container body 1 to a certain extent, improving heating efficiency. After heating, the asphalt is discharged from the container through the discharge valve 8. During this process, the support frame 9 ensures the stability of the heat-conducting pipe 2 during heating, thereby increasing the heating area and heating rate of the asphalt. External hot oil enters the heat-conducting pipe 2 through the hot oil inlet pipe 7 for heat transfer, and then the cooled hot oil is discharged through the hot oil outlet pipe 6, achieving heat recycling.

[0026] In the description of the above embodiments, for the sake of brevity and clarity, some components and their specific structural details that are not directly related to the core innovations of this utility model have been omitted. These omitted parts all fall within the scope of existing technology, and those skilled in the art can fully implement the design and manufacture of these parts based on their professional knowledge and existing technical materials. Therefore, they will not be described in detail here.

[0027] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. A high-efficiency asphalt heating device with filtering function, comprising a container body (1), characterized in that: The container body (1) is provided with multiple layers of heat-conducting pipes (2), the container body (1) is provided with a first sieve plate (3) in the middle, and the container body (1) is provided with a second sieve plate (4) at the top; the heat-conducting pipes (2) are connected by conduits (5), the uppermost heat-conducting pipe (2) is connected to a hot oil outlet pipe (6), and the lowermost heat-conducting pipe (2) is connected to a hot oil inlet pipe (7); the container body (1) is provided with a discharge valve (8) at the lower end.

2. The high-efficiency asphalt heating device with filtration function according to claim 1, characterized in that: The heat-conducting pipe (2) is in the form of a rectangular spiral, and a support frame (9) is provided between the heat-conducting pipes (2), between the heat-conducting pipe (2) and the first sieve plate (3), and between the heat-conducting pipe (2) and the second sieve plate (4).

3. The high-efficiency asphalt heating device with filtration function according to claim 2, characterized in that: The support frame (9) is in the shape of a cross.

4. The high-efficiency asphalt heating device with filtration function according to any one of claims 1-3, characterized in that: The radius of the sieve holes in the first sieve plate (3) is 0.6-0.8cm; the radius of the sieve holes in the second sieve plate (4) is 1.0-1.2cm.

5. The high-efficiency asphalt heating device with filtration function according to any one of claims 1-3, characterized in that: The container body (1) has a rectangular cross-section, and the first sieve plate (3) and the second sieve plate (4) are rectangular.

6. The high-efficiency asphalt heating device with filtration function according to any one of claims 1-3, characterized in that: The heat pipe (2) is a finned tube.