An electromagnetic heating and heat dissipation pipe

By employing an electromagnetic heating heat dissipation pipe with a built-in heat dissipation fin layer and a sealing structure in a large-diameter pipe, the problem of low electromagnetic heating efficiency is solved, achieving rapid and uniform heating and efficient utilization of thermal energy.

CN224433829UActive Publication Date: 2026-06-30JIANGSU YUANFANG COATING ENVIRONMENTAL PROTECTION TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU YUANFANG COATING ENVIRONMENTAL PROTECTION TECH CO LTD
Filing Date
2025-08-27
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

In existing technologies, electromagnetic heating has low efficiency for heating large-diameter pipes, especially the central part of the pipe, which is difficult to heat quickly, resulting in heat energy waste and slow heating speed.

Method used

An electromagnetic heating heat dissipation pipe is designed, which adopts a built-in heat dissipation fin layer and a sealing structure. By reducing the heat dissipation channel and staggering the fin layer, combined with modular design, rapid heat dissipation and uniform heat distribution can be achieved.

Benefits of technology

It improves the heat flow rate of large-diameter pipes, ensures uniform heat distribution, reduces heat waste, and is suitable for pipe systems with different combinations.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses an electromagnetic heating and heat dissipation pipe, characterized in that: the electromagnetic heating and heat dissipation pipe includes at least one pipe unit (1), the pipe unit (1) includes an outer cylinder (2), an inner cylinder (3), a heat dissipation fin layer (4), and a plug (5), multiple heat dissipation fins radially distributed along the pipe unit (1) form an annular heat dissipation fin layer (4) and the heat dissipation fin layer (4) is located between the outer cylinder (2) and the inner cylinder (3), at least two heat dissipation fin layers (4) are arranged in the axial direction of the pipe unit (1) and adjacent heat dissipation fin layers (4) are staggered, and a plug (5) is provided on the inlet side of the inner cylinder (3). The electromagnetic heating and heat dissipation pipe provided by this utility model is composed of at least one pipe unit, and the built-in heat dissipation fin layer provides a narrow heat dissipation channel to accelerate the flow of heat and thus dissipate heat quickly; in addition, the staggered heat dissipation fin layer further improves the heat dissipation speed.
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Description

Technical Field

[0001] This utility model relates to the field of heat dissipation technology, specifically an electromagnetic heating heat dissipation pipe. Background Technology

[0002] In a VOCs waste gas treatment process called "zeolite rotor + catalytic combustion," manufacturers often design to use natural gas or high-power electric heating to provide a heat source for the catalytic oxidation furnace. Natural gas is generally too expensive for most owners, while electric heating is slow, has dead zones, and its efficiency in converting electrical energy into heat is too low, resulting in significant energy waste.

[0003] Therefore, electromagnetic heating, which has a higher heating efficiency, was chosen to heat the surface of the pipe. However, for large-diameter pipes, the heat radiation from electromagnetic heating is generally only 5-10cm on the metal surface around which the electromagnetic coil is wrapped. Therefore, a part of the center of the large-diameter pipe still cannot radiate heat, and the airflow through the large-diameter pipe with the electromagnetic coil wrapped around its surface still cannot be heated quickly. Utility Model Content

[0004] The purpose of this invention is to address the problems existing in the prior art by providing an electromagnetic heating and heat dissipation pipe for large-diameter pipes.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] An electromagnetic heating and heat dissipation pipe is characterized in that: the electromagnetic heating and heat dissipation pipe includes at least one pipe unit, the pipe unit includes an outer cylinder, an inner cylinder, a heat dissipation fin layer and a plug, a plurality of heat dissipation fins distributed radially along the pipe unit form an annular heat dissipation fin layer and the heat dissipation fin layer is located between the outer cylinder and the inner cylinder, at least two heat dissipation fin layers are arranged in the axial direction of the pipe unit and adjacent heat dissipation fin layers are staggered, and a plug is provided on the inlet side of the inner cylinder.

[0007] The outer cylinder is provided with connecting flanges at both ends, and adjacent pipe units are fixedly connected by connecting flanges.

[0008] The end of the inner cylinder on the inlet side of the pipeline unit is lower than the end of the outer cylinder, and the end of the inner cylinder on the outlet side of the pipeline unit is flush with the end of the outer cylinder.

[0009] The height H = (Dd) ± 5% where the end of the inner cylinder on the inlet side of the pipeline unit is lower than the end of the outer cylinder, where D is the diameter of the outer cylinder and d is the diameter of the inner cylinder.

[0010] The sealing structure is a pointed cone structure that bulges outward relative to the inner cylinder, and the cone angle of the pointed cone structure is 90° to 160°.

[0011] The inner spacing of adjacent heat dissipation fins in the same heat dissipation fin layer is 1cm to 3cm, and the outer spacing is 4cm to 7cm.

[0012] The misalignment angle between adjacent heat dissipation fin layers is half the angle between adjacent heat dissipation fins within the same heat dissipation fin layer.

[0013] Two heat dissipation fin layers on either side of any heat dissipation fin layer are arranged opposite each other.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] The electromagnetic heating and heat dissipation pipe provided by this utility model consists of at least one pipe unit. The built-in heat dissipation fin layer provides a narrowed heat dissipation channel to accelerate heat flow and thus dissipate heat quickly. In addition, the staggered heat dissipation fin layer further improves the heat dissipation speed.

[0016] The inlet side of the pipe unit provided by this utility model adopts an inward-retracting seal, which provides a constricted buffer space for the heat flow. At the same time, the seal adopts an outward-protruding pointed cone structure, which can change the airflow direction, guide the flow, and prevent backflow.

[0017] The pipe unit provided by this utility model adopts a modular design, which is easy to combine. It can be connected in series to form an electromagnetic heating and heat dissipation pipe, or connected in parallel to form an electromagnetic heating and heat dissipation pipe, or first connected in series and then in parallel to form an electromagnetic heating and heat dissipation pipe, thereby expanding the application field. Attached Figure Description

[0018] Appendix Figure 1 A schematic diagram of the pipe unit structure provided by this utility model;

[0019] Appendix Figure 2 A schematic diagram of the pipe unit combination structure provided by this utility model.

[0020] Wherein: 1—piping unit; 2—outer cylinder; 3—inner cylinder; 4—heat dissipation fin layer; 5—sealing; 6—connecting flange. Detailed Implementation

[0021] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that the present invention will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and therefore their detailed description will be omitted.

[0022] The terms “a,” “one,” “the,” and “the” are used to indicate the existence of one or more elements / components / etc.; the terms “including” and “having” are used to indicate an open-ended meaning of inclusion and that other elements / components / etc. may exist in addition to the listed elements / components / etc.

[0023] like Figure 1-2 The diagram shows an electromagnetic heating and heat dissipation pipe, comprising at least one pipe unit 1. Pipe unit 1 includes an outer cylinder 2, an inner cylinder 3, a heat dissipation fin layer 4, and a sealing layer 5. Multiple heat dissipation fins radially distributed along pipe unit 1 form an annular heat dissipation fin layer 4, located between the outer cylinder 2 and the inner cylinder 3. At least two layers of heat dissipation fins 4 are arranged in the axial direction of pipe unit 1, with adjacent layers staggered. A sealing layer 5 is provided on the inlet side of the inner cylinder 3. The built-in heat dissipation fin layer 4 provides a narrowed heat dissipation channel to accelerate heat flow and thus dissipate heat quickly; furthermore, the staggered arrangement of the heat dissipation fin layer 4 further enhances the heat dissipation speed.

[0024] The inner spacing of adjacent heat dissipation fins in the same heat dissipation fin layer 4 is 1cm to 3cm, and the outer spacing is 4cm to 7cm. A preferred technical solution is that the misalignment angle of adjacent heat dissipation fin layers 4 is half of the angle between adjacent heat dissipation fins in the same heat dissipation fin layer 4.

[0025] Furthermore, the two heat dissipation fin layers 4 on both sides of any heat dissipation fin layer 4 are arranged opposite each other, so that the heat flow can be accelerated while flowing in an orderly manner.

[0026] Furthermore, the end of the inner cylinder 3 on the inlet side of the pipe unit 1 is lower than the end of the outer cylinder 2, and the end of the inner cylinder 3 on the outlet side of the pipe unit 1 is flush with the end of the outer cylinder 2. The height H of the end of the inner cylinder 3 on the inlet side of the pipe unit 1 being lower than the end of the outer cylinder 2 is (Dd) ±5%, where D is the diameter of the outer cylinder 2 and d is the diameter of the inner cylinder 3. The inward-shrinking structure of the inner cylinder 3 can provide a constricted buffer space for the heat flow.

[0027] Based on the inward-retracting structure, the sealing 5 is a pointed cone structure that bulges outward relative to the inner cylinder 3. The cone angle of this pointed cone structure is 90° to 160°, which can change the wind direction, guide the flow, and prevent backflow.

[0028] To allow the pipe units 1 to be connected, connecting flanges 6 are arranged at both ends of the outer cylinder 2, and adjacent pipe units 1 are fixedly connected by connecting flanges 6. Example 1

[0029] like Figure 1The diagram illustrates an electromagnetic heating and heat dissipation pipe, which comprises a pipe unit 1. The pipe unit 1 includes an outer cylinder 2, an inner cylinder 3, two sets of heat dissipation fin layers 4, a plug 5, and two connecting flanges 6. Multiple heat dissipation fins distributed radially along the pipe unit 1 form an annular heat dissipation fin layer 4, which is located between the outer cylinder 2 and the inner cylinder 3. The inner spacing of adjacent heat dissipation fins within the same heat dissipation fin layer 4 is 3 cm, and the outer spacing is 5 cm. Two heat dissipation fin layers 4 are arranged in the axial direction of the pipe unit 1, and adjacent heat dissipation fin layers 4 are staggered. The stagger angle of adjacent heat dissipation fin layers 4 is half the angle between adjacent heat dissipation fins within the same heat dissipation fin layer 4. The inlet end of the inner cylinder 3 is lower than the inlet end of the outer cylinder 2, and the outlet ends of both are flush. A plug 5 with a convex pointed cone structure is provided on the inlet side of the inner cylinder 3, and the cone angle of the plug 5 is 153.8°. Example 2

[0030] This embodiment consists of three pipe units 1 provided in Embodiment 1 connected in series. The left heat dissipation fin layer 4 in the first pipe unit 1 on the left, the left heat dissipation fin layer 4 in the second pipe unit 1 in the middle, and the left heat dissipation fin layer 4 in the third pipe unit 1 on the right are arranged opposite each other. The right heat dissipation fin layer 4 in the first pipe unit 1 on the left, the right heat dissipation fin layer 4 in the second pipe unit 1 in the middle, and the right heat dissipation fin layer 4 in the third pipe unit 1 on the right are also arranged opposite each other. The plugs 5 in the three pipe units 1 are kept in the same direction.

[0031] The electromagnetic heating and heat dissipation pipe provided by this utility model consists of at least one pipe unit 1. The built-in heat dissipation fin layer 4 provides a narrowed heat dissipation channel to accelerate the flow of heat and thus dissipate heat quickly. In addition, the staggered heat dissipation fin layer 4 further improves the heat dissipation speed.

[0032] The electromagnetic heating and heat dissipation pipe provided by this utility model is generally used for pipes with a diameter of more than 300mm. Currently, it is used at the inlet of a catalytic combustion furnace. It can significantly accelerate the heat dissipation of large-diameter pipes with electromagnetic coils wound around them, and make the air medium passing through the pipe heat up quickly.

[0033] In this embodiment of the invention, the term "multiple" refers to two or more, unless otherwise explicitly defined. The terms "install," "connect," and "fix" should be interpreted broadly. For example, "connect" can mean a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention based on the specific circumstances.

[0034] In the description of the embodiments of this utility model, it should be understood that the terms "upper" and "lower" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific direction or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0035] In this specification, the terms "an embodiment," "a preferred embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0036] The above embodiments are only for illustrating the technical concept of this utility model and should not be construed as limiting the scope of protection of this utility model. Any modifications made to the technical solution based on the technical concept proposed by this utility model shall fall within the scope of protection of this utility model. Technologies not covered by this utility model can be implemented by existing technologies.

Claims

1. An electromagnetic heating heat dissipation pipe, characterized in that: The electromagnetic heating heat dissipation pipe includes at least one pipe unit (1). The pipe unit (1) includes an outer cylinder (2), an inner cylinder (3), a heat dissipation fin layer (4), and a plug (5). Multiple heat dissipation fins distributed radially along the pipe unit (1) form an annular heat dissipation fin layer (4), and the heat dissipation fin layer (4) is located between the outer cylinder (2) and the inner cylinder (3). At least two heat dissipation fin layers (4) are arranged in the axial direction of the pipe unit (1), and adjacent heat dissipation fin layers (4) are staggered. A plug (5) is provided on the inlet side of the inner cylinder (3).

2. The electromagnetic heating heat dissipation pipe according to claim 1, wherein: The outer cylinder (2) is provided with connecting flanges (6) at both ends, and adjacent pipe units (1) are fixedly connected by connecting flanges (6).

3. The electromagnetic heating and heat dissipation pipe according to claim 1, wherein: The end of the inner cylinder (3) on the inlet side of the pipe unit (1) is lower than the end of the outer cylinder (2), and the end of the inner cylinder (3) on the outlet side of the pipe unit (1) is flush with the end of the outer cylinder (2).

4. The electromagnetic heating and heat dissipation pipe according to claim 3, characterized in that: The height H = (Dd) ± 5% of the height of the end of the inner cylinder (3) on the inlet side of the pipe unit (1) is lower than that of the end of the outer cylinder (2), where D is the diameter of the outer cylinder (2) and d is the diameter of the inner cylinder (3).

5. The electromagnetic heating and heat dissipation pipe according to any one of claims 1-4, characterized in that: The sealing (5) is a pointed cone structure that protrudes outward from the inner cylinder (3), and the cone angle of the pointed cone structure is 90° to 160°.

6. The electromagnetic heating and heat dissipation pipe according to any one of claims 1-4, characterized in that: The inner spacing of adjacent heat dissipation fins in the same heat dissipation fin layer (4) is 1cm to 3cm and the outer spacing is 4cm to 7cm.

7. The electromagnetic heating and heat dissipation pipe according to any one of claims 1-4, characterized in that: The misalignment angle of adjacent heat dissipation fin layers (4) is half the angle between adjacent heat dissipation fins within the same heat dissipation fin layer (4).

8. The electromagnetic heating and heat dissipation pipe according to any one of claims 1-4, characterized in that: Two heat dissipation fin layers (4) on both sides of any heat dissipation fin layer (4) are arranged opposite each other.