Novel tubular heat exchanger
By employing a serpentine bent tube and manifold structure in the tubular heat exchanger, the problems of low welding efficiency and leakage were solved, achieving a highly efficient and stable heat exchange effect.
Patent Information
- Application Number
- CN202423229206.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Traditional tubular heat exchangers require a large amount of welding during the welding process, resulting in low efficiency. Furthermore, the welded areas are weak and prone to leakage, affecting their service life and efficiency.
A new type of tubular heat exchanger is formed by replacing straight pipes with welded bends using serpentine bent pipes, and using fixed supports and manifolds to form a new type of tubular heat exchanger, which reduces the number of welds and improves structural stability.
It simplifies welding procedures, improves welding efficiency, enhances overall strength, prevents leakage, extends service life, and improves heat exchange efficiency.
Smart Images
Figure CN223755832U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present disclosure relates to the technical field of heat exchangers, in particular to a novel tubular heat exchanger. BACKGROUND
[0002] A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid, also known as a heat exchanger. Among them, the finned tube heat exchanger is one of the most commonly used heat exchangers, which is applied to various industrial fields due to its simple manufacturing, strong adaptability and other characteristics.
[0003] The heat exchange pipe of the conventional tubular heat exchanger usually includes a plurality of straight pipes and a bent pipe welded with adjacent straight pipes, so that the plurality of straight pipes are connected to form a continuous curved serpentine pipe. In actual use, the fluid passes through the pipe to achieve heat exchange. However, in the welding process, the end portions of adjacent heat exchange pipes need to be connected by welding a bent pipe, which has a large amount of welding and low welding efficiency. At the same time, the welding position is relatively weak and prone to leakage, affecting normal use. CONTENT OF THE INVENTION
[0004] The purpose of the present disclosure is to overcome the deficiencies in the prior art and provide a novel tubular heat exchanger that reduces the number of welded bent pipes.
[0005] The purpose of the present disclosure is achieved by the following technical solutions:
[0006] A novel tubular heat exchanger comprises:
[0007] A fixed support comprising a first end plate and a second end plate arranged in parallel;
[0008] A heat exchange pipe group arranged in parallel in the fixed support, the heat exchange pipe group comprising a serpentine bent pipe, the serpentine bent pipe comprising a straight portion and a bent portion, the bent portion connecting two adjacent straight portions on the same side of the corresponding bent portion, the straight portion and the bent portion being respectively arranged in the first end plate and the second end plate;
[0009] A header pipe installed outside the first end plate, the header pipe being in communication with the heat exchange pipe group.
[0010] In one embodiment, the first end plate is provided with a first through hole and a second through hole, the second end plate is provided with a third through hole, the port of the serpentine bent pipe is arranged in the first through hole, the bent portion on the same side of the port is arranged in the second through hole, and the bent portion away from the port is arranged in the third through hole.
[0011] In one embodiment, the heat exchange pipe group comprises a plurality of inclined serpentine bent pipes with alternating positive and negative bends.
[0012] In one of the embodiments, the adjacent serpentine bent pipes are communicated through a connecting bent pipe, and the serpentine bent pipes are located on the same side of the connecting bent pipe.
[0013] In one of the embodiments, the manifold includes a first manifold and a second manifold, and the first manifold and the second manifold are arranged in parallel, the first manifold is provided with a medium inlet on the side away from the first end plate, and the second manifold is provided with a medium outlet on the side away from the first end plate.
[0014] In one of the embodiments, the first manifold and the second manifold are each provided with a plurality of pipe holes on the side facing the first end plate, and each pipe hole is communicated with a corresponding port.
[0015] In one of the embodiments, the adjacent two straight sections are staggered.
[0016] In one of the embodiments, the straight section is provided with a heat dissipation fin.
[0017] Compared with the prior art, the present disclosure has at least the following advantages:
[0018] The novel tubular heat exchanger replaces the continuous pipeline formed by welding the straight pipeline and the bent pipe with the serpentine bent pipe provided with the straight section and the bent section, thereby reducing the welding amount of the pipeline, simplifying the welding process, improving the welding efficiency, reducing the welding seams of the heat exchange pipe group, improving the overall strength of the heat exchange body of the novel tubular heat exchanger, avoiding leakage caused by the welding quality, and prolonging the service life of the novel tubular heat exchanger. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings needed in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present disclosure, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0020] Figure 1 FIG. 1 is a structural schematic diagram of a novel tubular heat exchanger according to an embodiment of the present disclosure;
[0021] Figure 2 FIG. 2 is a structural schematic diagram of a novel tubular heat exchanger according to another embodiment of the present disclosure; Figure 1 FIG. 3 is an enlarged view of a part of the novel tubular heat exchanger A shown in FIG. 2;
[0022] Figure 3 FIG. 4 is an enlarged view of a part of the novel tubular heat exchanger B shown in FIG. 2; Figure 1 FIG. 5 is an enlarged view of a part of the novel tubular heat exchanger C shown in FIG. 2;
[0023] Figure 4 FIG. 6 is an enlarged view of a part of the novel tubular heat exchanger D shown in FIG. 2.Figure 1 Structure diagram of heat exchange tube group of novel tubular heat exchanger. DETAILED DESCRIPTION
[0024] For the purpose of facilitating the understanding of the present disclosure, the present disclosure will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present disclosure are shown in the drawings. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present disclosure can be more thoroughly and completely understood.
[0025] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only and are not intended to be limiting.
[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used in the description of the disclosure herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0027] In order to better understand the technical solutions and beneficial effects of the present disclosure, the present disclosure will be further described in detail below in combination with specific embodiments:
[0028] Please refer to Figures 1 to 4 The novel tubular heat exchanger 10 of the embodiment of the present utility model comprises a fixed support 100, a heat exchange tube group 200 and a collecting pipe 300. The fixed support 100 comprises a first end plate 110 and a second end plate 120 arranged in parallel. The heat exchange tube group 200 is arranged in parallel in the fixed support 100, and the heat exchange tube group 200 comprises a serpentine bent pipe 210, the serpentine bent pipe 210 comprises a straight section 211 and a bent section 212, two adjacent straight sections 211 connected by the bent section 212 are located on the same side of the bent section 212, and the straight section 211 and the bent section 212 are fixed to the first end plate 110 and the second end plate 120 respectively. The collecting pipe 300 is installed outside the first end plate 110, and the collecting pipe 300 is in communication with the heat exchange tube group 200.
[0029] In this embodiment, the novel tubular heat exchanger 10 replaces the continuous pipe formed by welding straight pipes and bends with a serpentine bent pipe 210 that integrates a straight section 211 and a bent section 212. This reduces the amount of welding in the heat exchange tube assembly 200, simplifies the welding process, and improves welding efficiency. At the same time, it reduces the number of weld seams in the heat exchange tube assembly 200, thereby improving the overall strength of the heat exchange body of the novel tubular heat exchanger 10, thus extending the service life of the novel tubular heat exchanger 10. In addition, it avoids heat exchange medium leakage caused by poor welding quality, thereby improving heat exchange efficiency.
[0030] like Figure 1 and Figure 4 As shown, in one embodiment, the first end plate 110 has a first through hole 111 and a second through hole (not shown), the second end plate 120 has a third through hole 121, the port of the serpentine bend tube 210 passes through the first through hole 111, the bend portion 212 located on the same side of the port passes through the second through hole, and the bend portion 212 away from the port passes through the third through hole 121.
[0031] Understandably, the first through hole 111 provides positioning for the installation of the serpentine bent tube 210, and the second and third through holes 121 provide positioning for the installation of the bent part 212. The first end plate 110 and the second end plate 120 provide support for the serpentine bent tube 210, thereby improving the connection stability between the heat exchange tube assembly 200, the first end plate 110 and the second end plate 120, and thus improving the overall structural stability of the device.
[0032] like Figure 4 As shown, in one embodiment, the heat exchange tube assembly 200 consists of several inclined serpentine bends 210 with alternating forward and reverse bends. It is understood that the inclined bends 212 allow the heat exchange medium to enter the heat exchange tube assembly 200, creating turbulence at the bends 212, thus fully agitating the heat exchange medium and improving its heat exchange efficiency, thereby enhancing the heat exchange effect of the novel tubular heat exchanger 10. Simultaneously, the heat exchange medium flows from the higher end to the lower end, utilizing gravity to prevent backflow and improve heat transfer efficiency.
[0033] Furthermore, in this embodiment, the second through hole and the third through hole 121 are elongated through holes and are inclined.
[0034] like Figure 1 and Figure 4As shown in the drawings, in one of the embodiments, the adjacent serpentine bent tubes 210 are communicated through the connecting bent tube 220, and the serpentine bent tubes 210 are located at the same side of the connecting bent tube 220. Specifically, in the embodiment, the heat exchange tube group 200 includes two parallel serpentine bent tubes 210, the two serpentine bent tubes 210 are connected through the connecting bent tube 220 and located at the same side of the connecting bent tube 220, the straight part 211 on one side of the serpentine bent tube 210 is arranged in the first through hole 111 on the outer side of the first end plate 110, and the straight part 211 on the other side of the serpentine bent tube 210 is arranged in the first through hole 111 on the inner side of the first end plate 110 and connected with the connecting bent tube 220, thus forming the internal flow channel of the heat exchanger.
[0035] As shown in the drawings, Figure 3 As shown in the drawings, in one of the embodiments, the manifold 300 includes a first manifold 310 and a second manifold 320, the first manifold 310 and the second manifold 320 are arranged in parallel, the first manifold 310 is provided with a medium inlet 311 on the side away from the first end plate 110, and the second manifold 320 is provided with a medium outlet 321 on the side away from the first end plate 110.
[0036] As shown in the drawings, Figure 1 As shown in the drawings, in one of the embodiments, the first manifold 310 and the second manifold 320 are provided with a plurality of tube holes (not shown) on the side facing the first end plate 110, and each tube hole is communicated with the corresponding straight part 211.
[0037] Specifically, in the embodiment, the manifold 300 is arranged perpendicularly to the heat exchange tube group 200, and the two manifolds 300 are parallel to each other and communicated with the straight parts 211 on the outer side of the heat exchange tube group 200. The medium inlet 311 and the medium outlet 321 are both provided with a communication assembly, the communication assembly is communicated with an external assembly, the heat exchange medium flows into the corresponding heat exchange tube group 200 through the plurality of tube holes after passing through the first manifold 310 through the medium inlet 311, and finally enters the second manifold 320 and is discharged from the medium outlet 321. In the process of flowing of the heat exchange medium, heat exchange is realized. The heat exchange medium is collected and then divided, which is beneficial to the uniform entry of the heat exchange medium into each heat exchange tube group 200 to reduce the tube resistance, and can improve the heat exchange effect and the heat exchange efficiency.
[0038] As shown in the drawings, Figure 1 and Figure 4 As shown in the drawings, in one of the embodiments, the adjacent two straight parts 211 are arranged alternately. Specifically, in the embodiment, the heat exchange tube groups 200 are stacked layer by layer to form the main part of the new tubular heat exchanger 10, and the continuously stacked heat exchange tube groups 200 are fixed through the fixing support 100. The heat exchange tube group 200 includes a plurality of straight parts 211, and the plurality of straight parts 211 are arranged alternately, which can effectively reduce the volume of the new tubular heat exchanger 10 and improve the compactness of the overall structure.
[0039] As Figure 1 As shown in one embodiment, the flat section 211 is provided with heat dissipation fins 2111 extending axially along the flat section 211. Specifically, in this embodiment, the straight pipe of the serpentine bent pipe 210 is a spiral finned pipe, and the spiral fins 2111 have the effect of strengthening the disturbance of the air flow outside the pipe, increasing the heat exchange area, thereby significantly improving the heat exchange efficiency of the new type of tubular heat exchanger 10. The design of the heat dissipation fins 2111 optimizes the heat conduction path, ensures rapid heat transfer, and further enhances the overall performance of the new type of tubular heat exchanger 10.
[0040] Compared with the prior art, the present disclosure has at least the following advantages:
[0041] The new type of tubular heat exchanger replaces the continuous pipe formed by welding the straight pipe and the elbow pipe with the serpentine bent pipe provided with the flat section and the bent section, thereby reducing the amount of pipe welding, simplifying the welding process, and improving the welding efficiency. At the same time, the number of welds of the heat exchange pipe group is reduced, thereby improving the overall strength of the heat exchange body of the new type of tubular heat exchanger, avoiding leakage caused by welding quality, and prolonging the service life of the new type of tubular heat exchanger.
[0042] The above-described embodiments only express several embodiments of the present disclosure, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the disclosed patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present disclosure, a number of modifications and improvements can be made, which are within the scope of the present disclosure. Therefore, the protection scope of the present disclosure patent should be subject to the appended claims.
Claims
1. A novel tube heat exchanger characterized in that, The application relates to a heat exchange device. The heat exchange device comprises a fixed support, a heat exchange pipe group and a collecting pipe. The fixed support comprises a first end plate and a second end plate arranged in parallel. The heat exchange pipe group is arranged in the fixed support in parallel.
2. The novel tube heat exchanger according to claim 1, characterized in that The heat exchange pipe group comprises serpentine bent pipes.
3. The novel tube heat exchanger as claimed in claim 1, wherein, Each serpentine bent pipe comprises a straight section and a bent section.
4. The novel tube heat exchanger as claimed in claim 1, wherein, The bent section connects two adjacent straight sections.
5. The novel tube heat exchanger as claimed in claim 1, wherein, The straight section and the bent section correspond to the first end plate and the second end plate.
6. The novel tube heat exchanger as claimed in claim 5, wherein, The collecting pipe is arranged outside the first end plate.
7. The novel tube heat exchanger as claimed in claim 1, wherein, The first end plate is provided with a first through hole and a second through hole.
8. The novel tube heat exchanger as claimed in claim 1, wherein, The second end plate is provided with a third through hole. The port of the serpentine bent pipe is arranged in the first through hole. The bent section on the same side of the port is arranged in the second through hole. The bent section away from the port is arranged in the third through hole. The heat exchange pipe group comprises a plurality of inclined serpentine bent pipes with alternating positive and negative bends. Adjacent serpentine bent pipes are connected by a connecting bent pipe. The serpentine bent pipe is arranged on the same side of the connecting bent pipe. The collecting pipe comprises a first collecting pipe and a second collecting pipe. The first collecting pipe and the second collecting pipe are arranged in parallel. The first collecting pipe is provided with a medium inlet on the side away from the first end plate. The second collecting pipe is provided with a medium outlet on the side away from the first end plate. The first collecting pipe and the second collecting pipe are provided with a plurality of pipe holes on the side facing the first end plate. Each pipe hole is communicated with the corresponding serpentine bent pipe. Adjacent two straight sections are staggered. The straight section is provided with a heat dissipation fin.