Hot water coil pipe with high heat dissipation performance

By using a composite hot water coil design, combined with technologies such as copper pipes, metal sleeves, porous metal supports, and ceramic coatings, the problems of low heat dissipation efficiency and structural instability of traditional hot water coils under high temperature and high pressure are solved, achieving efficient heat dissipation and long service life.

CN223710329UActive Publication Date: 2025-12-23ZHEJIANG KAIDI REFRIGERATION EQUIP
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Patent Information

Application Number
CN202520028882.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-12-23
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Traditional hot water coils have low heat dissipation efficiency, unstable structure, and poor corrosion resistance under high temperature and high pressure. Furthermore, thermal expansion and contraction lead to a decrease in sealing and connection stability, affecting service life.

Method used

The coil body adopts a composite structure, which is composed of copper tubes and metal sleeves connected by metallurgical bonding. It is combined with a porous metal support and heat dissipation fins. The shape memory metal support adapts to thermal expansion and contraction. The ceramic coating and roughening layer are added to improve heat dissipation efficiency. The connection plate and fixing bolts ensure stability and sealing.

Benefits of technology

It improves heat transfer efficiency, enhances the overall strength and corrosion resistance of the coil, ensures structural stability, prevents heat leakage, extends service life, and improves heat dissipation efficiency and connection stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hot water coil pipes, and discloses a hot water coil pipe with high heat dissipation performance, a coil pipe body adopts a composite structure and is divided into two layers of a copper pipe and a metal sleeve, the copper pipe and the metal sleeve are connected in a metallurgical bonding mode, the overall strength and corrosion resistance are guaranteed, a porous metal support is arranged between the copper pipe and the metal sleeve, and the porous metal support is connected with the copper pipe and the metal sleeve. The porous metal support is in close contact with the copper pipe and the metal sleeve, heat conduction and diffusion are enhanced, the coil pipe body is of a composite structure, the copper pipe and the metal sleeve are connected in a metallurgical bonding mode, efficient conduction of heat between the copper pipe and the metal sleeve is guaranteed, and the heat dissipation surface area is greatly increased through the arrangement of the porous metal support and the heat dissipation fins; heat can be rapidly dissipated to the surrounding environment, the rough layer and the ceramic coating further accelerate heat transfer through infrared radiation, the heat dissipation efficiency is improved, the link is spirally fixed to the inner wall of the coil pipe, the flowing state of internal fluid is improved, and fluid resistance is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hot water coil technical field, concretely is a kind of high heat dissipation hot water coil. BACKGROUND

[0002] In the field of hot water supply and industrial cooling, as the core component of heat exchange, the heat dissipation performance and structural stability of hot water coil are crucial, and the traditional hot water coil design often has problems such as low heat dissipation efficiency, unstable structure and poor corrosion resistance, which limits its application in harsh conditions such as high temperature and high pressure.

[0003] For example, a high-heat-dissipation hot water coil is proposed in Chinese patent CN218179719U, which improves the heat dissipation area and thus improves the heat dissipation efficiency to some extent by optimizing the layout and material of the heat dissipation fins. However, the above-mentioned patent only solves the problem of heat dissipation fin layout and does not fundamentally improve the structure and heat dissipation mechanism of the coil as a whole. Specifically, although the heat dissipation fins provided on the coil body increase the heat dissipation area, the heat conduction efficiency inside the coil body is not significantly improved, and the overall strength and corrosion resistance of the coil still need to be improved.

[0004] In addition, the traditional hot water coil often deforms in the process of thermal expansion and cold shrinkage, which leads to a decrease in sealing performance and connection stability, and heat leakage problems occur frequently, which not only affects the heat dissipation performance of the hot water coil, but also shortens its service life. Therefore, we propose a high-heat-dissipation hot water coil. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the shortcomings of the prior art, the utility model provides a high-heat-dissipation hot water coil, which solves the above-mentioned problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-heat-dissipation hot water coil, comprising a coil body, the coil body adopts a composite structure, which is divided into two layers of copper pipe and metal sleeve, the copper pipe and the metal sleeve are connected by metallurgical bonding, to ensure the overall strength and corrosion resistance, a porous metal support is arranged between the copper pipe and the metal sleeve, and the porous metal support is in close contact with the copper pipe and the metal sleeve to enhance heat conduction and diffusion.

[0009] Preferably, the memory metal material of the porous metal support has shape memory function, which can automatically adjust the shape of the support according to temperature change, to adapt to the thermal expansion and cold shrinkage of the coil body under different working conditions, and maintain the stability of the structure and the heat conduction efficiency.

[0010] Preferably, the outer side of the coil body is fixedly installed with a set of heat dissipation fins, and the heat dissipation fins are spirally arranged on the outer wall of the coil body with the axis of the coil body as the center, the heat dissipation fins are made of metal and are tightly combined with the outer wall of the coil body, and are used for increasing the heat dissipation surface area.

[0011] Preferably, the two ends of the coil body are fixedly installed with connecting discs for connection, the center of the connecting disc is installed with a sealing gasket for sealing, the side end of the sealing gasket is provided with a plurality of through holes, and the through holes are installed with fixing bolts for fixation.

[0012] Preferably, the inside of the coil body is provided with a ribbon, and the ribbon is spirally fixed to the inner wall of the coil body and is made of the same material as the copper pipe, so as to improve the flow of the internal fluid.

[0013] Preferably, the outer wall surface of the coil body is provided with a rough layer for heat dissipation at the side end of the heat dissipation fin, and the extension direction of the rough layer is arranged in parallel with the heat dissipation fin.

[0014] Preferably, the outer end of the rough layer is provided with a ceramic coating, and the ceramic coating has high infrared emissivity characteristics.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a hot water coil with high heat dissipation, which has the following beneficial effects:

[0017] 1, the coil body adopts a composite structure, the copper pipe and the metal sleeve are connected through metallurgical bonding, the efficient heat conduction between the two is ensured, the porous metal support and the heat dissipation fin greatly increase the heat dissipation surface area, so that the heat can be dissipated to the surrounding environment more quickly, the rough layer and the ceramic coating utilize infrared radiation to further accelerate heat transfer, improve the heat dissipation efficiency, the ribbon is spirally fixed to the inner wall of the coil, and the flow state of the internal fluid is improved, and the fluid resistance is reduced.

[0018] 2, the composite structure not only improves the overall strength of the coil, but also enhances the corrosion resistance and prolongs the service life, the porous metal support is made of a memory metal with shape memory function, can automatically adjust the shape to adapt to the thermal expansion and cold shrinkage of the coil, ensures the stability of the structure, the connecting disc is fixedly installed at the two ends of the coil body, connected with the adjacent components through the fixing bolt, and the sealing gasket in the center of the connecting disc and the through hole at the side end ensure the sealing and connection stability between the coil and the adjacent components, and prevent heat leakage. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 The utility model is a schematic diagram;

[0020] Fig. 2 It is a partial cross-sectional view of the coil of the utility model;

[0021] Fig. 3 It is a schematic view of the outer wall of the coil of the utility model.

[0022] In the figure: 1, coil body; 2, heat dissipation fin; 3, connecting disc; 4, fixing bolt; 5, copper pipe; 6, metal sleeve; 7, porous metal support; 8, ribbon; 9, rough layer; 10, ceramic coating. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figs. 1-3 A high-heat-dissipation hot water coil, comprising a coil body 1, the coil body 1 adopts a composite structure and is divided into two layers of copper pipes 5 and metal sleeves 6, the copper pipes 5 and the metal sleeves 6 are connected through metallurgical bonding, the overall strength and corrosion resistance are ensured, the porous metal supports 7 are arranged between the copper pipes 5 and the metal sleeves 6, and the porous metal supports 7 are in close contact with the copper pipes 5 and the metal sleeves 6, heat conduction and diffusion are enhanced, the coil body adopts a composite structure and is connected by the copper pipes 5 and the metal sleeves 6 through metallurgical bonding, the overall strength and corrosion resistance of the coil are improved, and heat can be efficiently conducted between the copper pipes 5 and the metal sleeves 6, the porous metal supports 7 are located between the copper pipes 5 and the metal sleeves 6 and are made of memory metal with a shape memory function, and the porous metal supports 7 can automatically adjust the shape to adapt to thermal expansion and cold shrinkage of the coil with the change of the temperature of the fluid in the coil.

[0025] Further, the memory metal material of the porous metal supports 7 has a shape memory function and can automatically adjust the shape of the supports according to the temperature change to adapt to thermal expansion and cold shrinkage of the coil body 1 under different working conditions, so that the stability of the structure and the heat conduction efficiency are maintained.

[0026] Further, a group of heat dissipation fins 2 are fixedly installed on the outer side of the coil body 1, the heat dissipation fins 2 are spirally wrapped on the outer wall of the coil body 1 with the axis of the coil body 1 as the center, the heat dissipation fins 2 are made of metal material and are in close combination with the outer wall of the coil body 1, and are used for increasing the heat dissipation surface area, and the heat dissipation fins 2 are spirally wrapped on the outer wall of the coil body with the axis of the coil body as the center and are in close combination with the coil body.

[0027] Further, the two ends of the coil body 1 are fixedly installed with a connecting disc 3 for connection, the center of the connecting disc 3 is installed with a sealing gasket for sealing, the side end of the sealing gasket is provided with a plurality of through holes, the through holes are installed with fixing bolts 4 for fixing, and the connecting disc 3 is fixedly installed at the two ends of the coil body 1 and connected with adjacent components through the fixing bolts 4.

[0028] Further, the inside of the coil body 1 is provided with a ribbon 8, the ribbon 8 is fixed in a spiral shape on the inner wall of the coil body 1, and the material of the ribbon 8 is the same as that of the copper pipe 5, which is used to improve the internal fluid flow, and the ribbon 8 is fixed in a spiral shape on the inner wall of the coil and has the same material as the copper pipe.

[0029] Further, the outer wall surface of the coil body 1 is provided with a rough layer 9 for heat dissipation corresponding to the side end of the heat dissipation fin 2, and the extension direction of the rough layer 9 is arranged in parallel with the heat dissipation fin 2, and the rough layer 9 is arranged on the outer wall surface of the coil corresponding to the side end of the heat dissipation fin 2, and arranged in parallel with the heat dissipation fin 2, and the rough layer 9 increases the heat dissipation area and improves the heat dissipation efficiency.

[0030] Further, the outer end of the rough layer 9 is provided with a ceramic coating 10, and the ceramic coating 10 has high infrared emissivity characteristics, the rough layer 9 increases the heat dissipation area and improves the heat dissipation efficiency, the ceramic coating 10 is arranged at the outer end of the rough layer and has high infrared emissivity characteristics, and the ceramic coating 10 can use infrared radiation to accelerate heat transfer and dissipate heat to the surrounding environment faster.

[0031] Structure description: 1, coil body: the coil body is the core structure of the hot water coil, which is composed of a copper pipe and a metal sleeve through metallurgical combination, which not only ensures the efficient conduction of heat between the copper pipe and the metal sleeve, but also improves the overall strength and corrosion resistance of the coil, and the compact design of the coil body can meet the needs of various hot water supply and industrial cooling systems;

[0032] 2, heat dissipation fin: the heat dissipation fin is spirally wrapped around the outer wall of the coil body with the axis of the coil body as the center, and is tightly combined with the coil body, the heat dissipation fin greatly increases the heat dissipation surface area, so that the heat can be dissipated to the surrounding environment faster, and the unique spiral layout optimizes the heat dissipation effect and ensures uniform distribution of heat;

[0033] 3, connecting disc: the connecting disc is fixedly installed at the two ends of the coil body and is the connecting bridge between the coil and the adjacent components, the connecting disc is tightly connected with the adjacent components through the fixing bolts, which ensures the overall stability and sealing performance of the coil system, and the sealing gasket in the center of the connecting disc and the through holes at the side end further enhance the firmness and anti-leakage performance of the connection;

[0034] 4. Fixing bolts: Fixing bolts are used for connecting the disc to the adjacent components, they have high strength and corrosion resistance, can withstand various stresses and vibrations during system operation, reasonable use of fixing bolts ensures long-term stable operation of the coil system;

[0035] 5. Copper tube: Copper tube is the inner layer material of the coil body, with excellent thermal conductivity and corrosion resistance, it ensures efficient heat conduction inside the coil, and is the key component of the coil's heat dissipation performance;

[0036] 6. Metal sleeve: Metal sleeve is the outer layer material of the coil body, connected with copper tube through metallurgical bonding, metal sleeve not only improves the overall strength of the coil, but also enhances its corrosion resistance and prolongs its service life;

[0037] 7. Porous metal support: Porous metal support is located between copper tube and metal sleeve, made of shape memory function memory metal, it can automatically adjust the shape to adapt to the thermal expansion and cold shrinkage of the coil, ensuring the stability of the structure, the existence of porous metal support further improves the heat dissipation performance of the coil;

[0038] 8. Ribbon: Ribbon is fixed on the inner wall of the coil in a spiral shape, made of the same material as copper tube, it improves the flow state of the internal fluid, reduces fluid resistance and improves heat exchange efficiency, the optimized design of ribbon makes heat more evenly distributed on the inner wall of the coil;

[0039] 9. Rough layer: Rough layer is set on the outer wall surface of the coil corresponding to the side end of the heat dissipation fin, it is set in parallel with the heat dissipation fin, it increases the heat dissipation area and improves the heat dissipation efficiency, the existence of rough layer makes heat transfer to the surrounding environment faster;

[0040] 10. Ceramic coating: Ceramic coating is set on the outer end of rough layer, with high infrared radiation rate characteristics, it can use infrared radiation to accelerate heat transfer and dissipate heat to the surrounding environment faster, the use of ceramic coating further improves the heat dissipation performance of the coil and enhances its high temperature resistance.

[0041] Working principle: when the temperature of the fluid in the coil increases, the heat is conducted through the copper pipe 5 and the metal sleeve 6 to the porous metal support 7 and the heat dissipation fin 2, the heat dissipation fin 2 dissipates heat to the surrounding environment, while the rough layer 9 and the ceramic coating 10 use infrared radiation to further accelerate heat transfer, the ribbon 8 improves the flow state of the internal fluid, so that the heat can be more evenly distributed on the inner wall of the coil, improving the heat exchange efficiency, the connecting disc 3 and the fixing bolt 4 ensure the stability and sealing of the connection between the coil and the adjacent parts, prevent heat leakage, the coil body adopts a composite structure, which is connected by metallurgical bonding method, which improves the overall strength and corrosion resistance of the coil, and also enables efficient heat conduction between the copper pipe 5 and the metal sleeve 6, the porous metal support 7 is located between the copper pipe 5 and the metal sleeve 6, which is made of memory metal with shape memory function, which can automatically adjust its shape to adapt to the thermal expansion and cold shrinkage of the coil as the temperature of the fluid in the coil changes, the heat dissipation fin 2 is spirally wrapped around the outer wall of the coil body with the axis of the coil body as the center, and is tightly combined with the coil body 1, the heat dissipation fin 2 greatly increases the heat dissipation surface area, so that the heat can be dissipated to the surrounding environment more quickly, the connecting disc 3 is fixedly installed at both ends of the coil body 1, and is connected with the adjacent parts through the fixing bolt 4, the sealing gasket in the center of the connecting disc 3 and the through hole at the side end ensure the sealing and connection stability between the coil and the adjacent parts, the ribbon 8 is spirally fixed on the inner wall of the coil, which is made of the same material as the copper pipe 5, the ribbon 8 can improve the flow state of the internal fluid, reduce the fluid resistance, and improve the heat exchange efficiency, the rough layer 9 is arranged on the surface of the outer wall of the coil corresponding to the side end of the heat dissipation fin 2, and is arranged in parallel with the heat dissipation fin 2, the rough layer 9 increases the heat dissipation area and improves the heat dissipation efficiency, the ceramic coating 10 is arranged at the outer end of the rough layer, which has high infrared radiation rate, and the ceramic coating 10 can accelerate heat transfer by using infrared radiation to dissipate heat to the surrounding environment more quickly.

[0042] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high heat dissipating hot water coil, characterized by, The application relates to a heat exchange coil body (1) which comprises a composite structure and is divided into a copper pipe (5) and a metal sleeve (6), the copper pipe (5) and the metal sleeve (6) are connected through metallurgical bonding, the overall strength and corrosion resistance are guaranteed, a porous metal support (7) is arranged between the copper pipe (5) and the metal sleeve (6), the porous metal support (7) is in close contact with the copper pipe (5) and the metal sleeve (6), and the heat conduction and diffusion are enhanced.

2. The high heat dissipating hot water coil according to claim 1, wherein: The memory metal material of the porous metal support (7) has a shape memory function, can automatically adjust the support shape according to temperature changes, can adapt to the thermal expansion and cold shrinkage of the heat exchange coil body (1) under different working conditions, and can maintain the stability of the structure and the heat conduction efficiency.

3. The high heat dissipating hot water coil according to claim 1, wherein: A group of heat dissipation fins (2) are fixedly installed on the outer side of the heat exchange coil body (1), the heat dissipation fins (2) are spirally arranged on the outer wall of the heat exchange coil body (1) with the axis of the heat exchange coil body (1) as the center, the heat dissipation fins (2) are made of metal and are tightly combined with the outer wall of the heat exchange coil body (1), and the heat dissipation fins (2) are used for increasing the heat dissipation surface area.

4. The high heat dissipating hot water coil according to claim 1, wherein: Connecting discs (3) are fixedly installed at the two ends of the heat exchange coil body (1) and are used for connection, a sealing gasket is installed at the center of the connecting disc (3) and is used for sealing, a plurality of through holes are arranged at the side end of the sealing gasket, and fixing bolts (4) are installed in the through holes and are used for fixing.

5. The high heat dissipating hot water coil as claimed in claim 1, wherein: A ribbon (8) is arranged in the heat exchange coil body (1), the ribbon (8) is spirally fixed on the inner wall of the heat exchange coil body (1), the material of the ribbon (8) is the same as that of the copper pipe (5), and the ribbon (8) is used for improving the internal fluid flow.

6. The high heat dissipating hot water coil according to claim 1, wherein: A rough layer (9) for heat dissipation is arranged at the side end of the heat dissipation fin (2) on the surface of the outer wall of the heat exchange coil body (1), and the extension direction of the rough layer (9) is arranged in parallel with the heat dissipation fin (2).

7. The high heat dissipating hot water coil according to claim 6, wherein: A ceramic coating (10) is arranged at the outer end of the rough layer (9), and the ceramic coating (10) has high infrared radiation rate characteristics.