Flow guide type heat pipe heat exchanger

By introducing positioning and fixing components into the flow-guided heat pipe heat exchanger, precise alignment and firm connection between the shells are ensured. A baffle is set in the middle of the heat transfer tube to change the direction of fluid flow, which solves the problems of uneven temperature and loose connection caused by traditional baffle design, and improves the stability and heat exchange efficiency of the equipment.

CN223755846UActive Publication Date: 2026-01-02TIANJIN XINHUA ENERGY EQUIP TECH CO LTD
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Patent Information

Application Number
CN202423176177.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-01-02
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The guide plate design of traditional flow-guided heat pipe heat exchangers is not conducive to changing the direction of fluid flow and increasing the degree of turbulence, resulting in uneven temperature distribution. In addition, the lack of a precise positioning structure can easily lead to loosening of the connection between the shell and the tube box, affecting the stability of the equipment.

Method used

Multiple positioning and fixing components, such as positioning grooves, positioning plates, positioning holes, positioning parts, threaded holes and fixing bolts, are used to ensure precise alignment and firm connection between the shells, and a baffle plate is fixed in the middle of the heat transfer tube to change the direction of fluid flow and increase the degree of turbulence.

Benefits of technology

It improves the stability and reliability of heat exchangers, reduces the risk of component loosening and failure, extends equipment life, and improves heat exchange efficiency and temperature distribution uniformity by improving fluid flow patterns.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of heat pipe heat exchange, and discloses a flow guide type heat pipe heat exchanger which comprises a first shell and a second shell, a first connecting plate is sleeved at the front end of the outer wall of the first shell, a second connecting plate is sleeved at the rear end of the outer wall of the second shell, a positioning groove is formed in the middle of the outer wall of the front end of the first shell, and a flow guide plate is arranged in the positioning groove. A positioning plate is fixedly connected to the middle of the outer wall of the rear end of the second shell, and a plurality of positioning holes are formed in the middle of the upper surface of the first connecting plate and the middle of the upper surface of the positioning plate. According to the heat exchanger, the heat exchanger structurally comprises a plurality of positioning and fixing components such as the positioning grooves, the positioning plates, the positioning holes, the positioning pieces, the threaded holes and the fixing bolts, and the components ensure accurate alignment and firm connection between the first shell and the second shell; according to the structural design, the stability and reliability of the heat exchanger in the operation process are improved, the fault risk caused by displacement or looseness of parts is reduced, and the service life of equipment is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heat pipe heat exchange technical field especially relates to a diversion type heat pipe heat exchanger. BACKGROUND

[0002] The diversion type heat pipe heat exchanger is a kind of high-efficiency heat energy transmission equipment, it utilizes the phase change of internal working liquid to transfer heat, heat pipe absorbs heat and evaporates into gas by liquid in evaporation section, gas releases heat and condenses into liquid in condensation section, liquid returns evaporation section under the action of capillary force, forms a closed cycle.

[0003] And the flow guide plate design of traditional heat pipe heat exchanger is not convenient to change the flow direction of fluid and increase the turbulence degree, this can lead to the temperature distribution of traditional heat pipe heat exchanger inside not enough uniform, heat exchange efficiency is relatively low, in addition, traditional heat pipe heat exchanger lacks accurate positioning structure, this can lead to the connection between shell and tube box not enough close, easily occurs displacement or slack in running process, affects the overall stability of heat exchanger.

[0004] Therefore, the person skilled in the art provides a diversion type heat pipe heat exchanger to solve the problems in the above background. UTILITY MODEL CONTENT

[0005] The utility model content aims at solving the shortcomings in the prior art and provides a diversion type heat pipe heat exchanger, the structural design of the heat exchanger includes multiple positioning and fixing components, such as positioning groove, positioning plate, positioning hole, positioning piece, screw hole and fixed bolt, these components ensure the accurate alignment and firm connection between first shell and second shell, this structural design improves the stability and reliability of heat exchanger in running process, reduces the failure risk caused by component displacement or slack, prolongs the service life of equipment.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The application discloses a heat pipe heat exchanger, which comprises a first shell and a second shell, a first connecting plate is sleeved on the front end of the outer wall of the first shell, a second connecting plate is sleeved on the rear end of the outer wall of the second shell, a positioning groove is formed in the middle of the front end of the outer wall of the first shell, a positioning plate is fixedly connected to the middle of the rear end of the outer wall of the second shell, a plurality of positioning holes are formed in the middle of the upper surfaces of the first connecting plate and the positioning plate, a sliding groove is formed in the middle of the inner wall of each positioning hole, a positioning piece is arranged in each positioning hole, a limiting block is fixedly connected to the lower end of the outer wall of the positioning piece, a reset spring is sleeved on the middle of the outer wall of the positioning piece, a third connecting plate is sleeved on the rear end of the outer wall of the first shell and the front end of the outer wall of the second shell, a first pipe box is arranged at the rear end of the first shell, a second pipe box is arranged at the front end of the second shell, a fixed tube plate is fixedly connected to the edge of the inner wall of the rear end of the first shell, and a plurality of heat transfer pipes are in through connection with the interiors of the first shell and the second shell, and a plurality of first baffle plates and second baffle plates are fixedly connected to the outer wall of the middle of each heat transfer pipe.

[0008] By fixing a plurality of first baffle plates and second baffle plates in the middle of the heat transfer pipes, the baffle plates can change the flow direction of the fluid, increase the turbulence degree of the fluid, and thus enhance the heat exchange between the fluid and the heat transfer pipes. The flow guide design helps to eliminate the flow dead zone, makes the temperature distribution in the heat exchanger more uniform, and improves the overall heat transfer efficiency.

[0009] Further, the front end of the inner wall of the first shell and the rear end of the inner wall of the second shell are fixedly connected with shell gaskets.

[0010] Through the above technical scheme, the connection between the first shell and the second shell is sealed by the shell gaskets, preventing fluid leakage at the interface between the shells.

[0011] Further, the positioning plate and the positioning groove are in clamping cooperation.

[0012] Through the above technical scheme, the accurate alignment between the first shell and the second shell is ensured through the clamping cooperation of the positioning plate and the positioning groove, and the clamping cooperation provides a stable connection mode, which can resist vibration and pressure fluctuation in operation and maintain the integrity of the heat exchanger structure.

[0013] Further, the lower end of the reset spring is fixedly connected with the upper end of the limiting block, and the upper end of the reset spring is fixedly connected with the top surface of the sliding groove.

[0014] Through the above technical scheme, when the heat exchanger is assembled, the reset spring maintains a certain pressure, which helps to fix the positioning piece, so as to maintain the correct alignment and sealing between the shells.

[0015] Further, the first connecting plate, the second connecting plate, the third connecting plate, the middle part of the outer wall of the front end of the first tube box and the middle part of the outer wall of the rear end of the second tube box are all provided with a plurality of threaded holes, and the threaded holes are all provided with fixing bolts;

[0016] Through the above technical scheme, the threaded holes and the fixing bolts are used for fixing and connecting various components, and the tight connection between the components can be ensured by tightening the fixing bolts, so that loosening or displacement during operation is prevented.

[0017] Further, the inner walls of the first tube box and the second tube box close to one end of the first connecting plate are both provided with tube box gaskets;

[0018] Through the above technical scheme, the tube box gaskets are used for sealing the interfaces between the inner walls of the first tube box and the second tube box and the first connecting plate, so that fluid leakage between the tube box and the connecting plate is prevented.

[0019] Further, the outer walls of the first baffle and the second baffle are both fixedly connected with the inner walls of the first shell and the second shell;

[0020] Through the above technical scheme, the first baffle and the second baffle are fixedly connected to the inner walls of the shell, the flow path of the fluid in the shell is changed, the fluid is forced to form turbulent flow, and the contact area and the mixing degree of the fluid and the shell wall surface are increased, so that the heat exchange efficiency is improved.

[0021] Further, the upper part of the rear end of the outer wall of the first tube box is provided with a first fluid inlet, the lower part of the front end of the outer wall of the second tube box is provided with a first fluid outlet, the upper part of the rear end of the outer wall of the first shell is provided with a second fluid outlet, and the lower part of the front end of the outer wall of the second shell is provided with a second fluid inlet;

[0022] Through the above technical scheme, the fluid enters the first tube box from the first fluid inlet, then flows through the heat transfer pipe, and then exchanges heat between the first shell and the second shell, after the heat exchange, the fluid flows out of the first shell from the second fluid outlet, then enters the second tube box, and finally flows out of the second tube box from the first fluid outlet.

[0023] The utility model has the following beneficial effects:

[0024] 1、 the utility model discloses a kind of flow guide heat pipe heat exchangers, the structural design of the heat exchanger includes multiple positioning and fixed components, such as positioning groove, positioning plate, positioning hole, positioning piece, threaded hole and fixing bolt, these components ensure the accurate alignment and firm connection between the first shell and the second shell, this structural design improves the stability and reliability of heat exchanger during operation, reduces the risk of failure caused by component displacement or loosening, prolongs the service life of equipment.

[0025] 2. The heat pipe heat exchanger of the utility model, through fixing multiple first baffles and second baffles in the middle of the heat transfer pipe, these baffles can change the flow direction of fluid, increase the turbulence degree of fluid, thereby enhancing the heat exchange between fluid and heat transfer pipe, this flow guide design helps to eliminate flow dead zone, makes the temperature distribution inside the heat exchanger more uniform, improves the overall heat transfer efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the axonometric drawing of the heat pipe heat exchanger of the utility model;

[0027] Figure 2 It is the explosion drawing of the heat pipe heat exchanger of the utility model;

[0028] Figure 3 It is the explosion drawing of the heat pipe heat exchanger of the utility model;

[0029] Figure 4 It is the partial structure axonometric drawing of the heat pipe heat exchanger of the utility model;

[0030] Figure 5 It is the partial structure explosion drawing of the heat pipe heat exchanger of the utility model;

[0031] Figure 6 It is the partial structure explosion drawing of the heat pipe heat exchanger of the utility model;

[0032] Figure 7 It is the cross section schematic view of the heat pipe heat exchanger of the utility model;

[0033] Figure 8 It is Figure 5 The enlarged view of A in the middle;

[0034] Figure 9 It is Figure 6 The enlarged view of B in the middle;

[0035] Figure 10 It is Figure 7 The enlarged view of C in the middle.

[0036] Legend:

[0037] 1, the first shell; 2, the second shell; 3, the first connecting plate; 4, the second connecting plate; 5, the third connecting plate; 6, the first tube box; 7, the second tube box; 8, the first fluid inlet; 9, the second fluid outlet; 10, the first fluid outlet; 11, the second fluid inlet; 12, the tube box gasket; 13, the threaded hole; 14, the fixing bolt; 15, the heat transfer pipe; 16, the fixed tube plate; 17, the shell gasket; 18, the first baffle; 19, the second baffle; 20, the positioning groove; 21, the positioning piece; 22, the positioning hole; 23, the positioning plate; 24, the sliding groove; 25, the return spring; 26, the limiting block. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, instead of all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the utility model.

[0039] Reference Figures 1-10 The utility model provides a kind of concrete implementation of the utility model:

[0040] A flow guide type heat pipe heat exchanger, including first shell 1 and second shell 2, the front end of the outer wall of first shell 1 is provided with first connecting plate 3, the rear end of the outer wall of second shell 2 is provided with second connecting plate 4, the middle part of the outer wall of the front end of first shell 1 is provided with positioning groove 20, the middle part of the outer wall of the rear end of second shell 2 is fixedly connected with positioning plate 23, the middle part of the upper surface of first connecting plate 3 and positioning plate 23 is provided with a plurality of positioning holes 22, the middle part of the inner wall of positioning hole 22 is provided with sliding groove 24, the inside of positioning hole 22 is provided with positioning piece 21, the lower end of the outer wall of positioning piece 21 is fixedly connected with limiting block 26, the middle part of the outer wall of positioning piece 21 is provided with return spring 25, the rear end of the outer wall of first shell 1 and the front end of the outer wall of second shell 2 are provided with third connecting plate 5, the rear end of first shell 1 is provided with first tube box 6, the front end of second shell 2 is provided with second tube box 7, the edge of the inner wall of the rear end of first shell 1 is fixedly connected with fixed tube plate 16, the inside of first shell 1 and second shell 2 is throughly connected with a plurality of heat transfer pipes 15, the outer wall of the middle part of heat transfer pipe 15 is fixedly connected with a plurality of first baffles 18 and second baffles 19 respectively.

[0041] By fixing multiple first baffles 18 and second baffles 19 in the middle of the heat transfer pipe 15, these baffles can change the flow direction of the fluid, increase the degree of turbulence of the fluid, thereby enhancing the heat exchange between the fluid and the heat transfer pipe 15, this flow guide design helps to eliminate flow dead zones, making the temperature distribution inside the heat exchanger more uniform, improving the overall heat transfer efficiency.

[0042] The front end of the inner wall of the first shell 1 and the rear end of the inner wall of the second shell 2 are fixedly connected with shell gaskets 17, which seal the connection between the first shell 1 and the second shell 2, preventing fluid leakage at the interface between the shells. The positioning plate 23 is engaged with the positioning groove 20, which ensures accurate alignment between the first shell 1 and the second shell 2, and the engagement provides a stable connection that can resist vibration and pressure fluctuations during operation, maintaining the integrity of the heat exchanger structure. The lower end of the reset spring 25 is fixedly connected with the upper end of the limiting block 26, and the upper end of the reset spring 25 is fixedly connected with the top surface of the sliding groove 24. When the heat exchanger is assembled, the reset spring 25 maintains a certain pressure, helping to fix the positioning member 21, thereby maintaining the correct alignment and sealing between the shells. The first connecting plate 3, the second connecting plate 4, the third connecting plate 5, the middle part of the outer wall of the front end of the first tube box 6, and the middle part of the outer wall of the rear end of the second tube box 7 are all provided with multiple threaded holes 13, and the inside of the threaded holes 13 is provided with fixed bolts 14. The threaded holes 13 and the fixed bolts 14 are used to fix and connect various components. In addition, by tightening the fixed bolts 14, the tight connection between the components can be ensured, preventing loosening or displacement during operation. The inner walls of the first tube box 6 and the second tube box 7 near one end of the first connecting plate 3 are provided with tube box gaskets 12, which are used to seal the interface between the inner walls of the first tube box 6 and the second tube box 7 and the first connecting plate 3, preventing fluid leakage between the tube box and the connecting plate. The outer walls of the first baffle 18 and the second baffle 19 are fixedly connected with the inner walls of the first shell 1 and the second shell 2. The first baffle 18 and the second baffle 19 are fixedly connected to the inner wall of the shell, changing the flow path of the fluid in the shell and forcing the fluid to form turbulence. This turbulent flow increases the contact area and mixing degree of the fluid with the shell wall, thereby improving the heat exchange efficiency. The upper part of the rear end of the outer wall of the first tube box 6 is provided with a first fluid inlet 8, the lower part of the front end of the outer wall of the second tube box 7 is provided with a first fluid outlet 10, the upper part of the rear end of the outer wall of the first shell 1 is provided with a second fluid outlet 9, and the lower part of the front end of the outer wall of the second shell 2 is provided with a second fluid inlet 11. The fluid enters the first tube box 6 through the first fluid inlet 8, then flows through the heat transfer pipe 15, exchanges heat between the first shell 1 and the second shell 2, and then flows out of the first shell 1 through the second fluid outlet 9, enters the second tube box 7, and finally flows out of the second tube box 7 through the first fluid outlet 10.

[0043] Working principle: fluid from the first fluid inlet 8 into the first tube box 6, and then through the internal heat transfer tube 15, in the heat transfer tube 15, the fluid will heat to the pipe wall, so that the pipe wall temperature rises, the heat transfer tube 15 is fixed with the first baffle 18 and the second baffle 19, the role of these baffles is to guide the fluid to form turbulent flow in the tube, increase the contact area and time of the fluid with the pipe wall, so as to improve the heat transfer efficiency, the heat in the heat transfer tube 15 makes the working liquid in the tube evaporate into steam in the evaporation section, the steam flows in the tube, because the flow speed of the steam is fast, it can quickly transfer heat from the high temperature area to the low temperature area, the steam reaches the condensing section and releases heat in the second tube box 7, and condenses into liquid, the condensed working liquid returns to the evaporation section through the baffle in the tube under the action of gravity or capillary force, completes a cycle, the first fluid outlet 10 is located at the rear end of the second tube box 7, the fluid releases heat after absorbing the heat released by the steam, and the second fluid inlet 11 and the second fluid outlet 9 are located at the front end of the second shell 2 and the rear end of the first shell 1 respectively, which allows another fluid to flow through the shell outside and exchange heat with the heat transfer tube 15, so as to take away the heat in the tube or provide heat for the tube, the structure of the whole heat exchanger ensures the accurate assembly and maintainability of the heat exchanger components through the positioning groove 20, the positioning plate 23, the positioning hole 22, the positioning piece 21, the limiting block 26 and the reset spring 25, which allows disassembly and reassembly when necessary to facilitate maintenance and replacement of the heat transfer tube 15 or other components.

[0044] Finally, it should be noted that: the above only for the preferred specific embodiments of the present application, and not for limiting the present application, although the foregoing specific embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A heat pipe exchanger of the heat pipe type, comprising a first housing (1) and a second housing (2), characterized in that: The front end of the outer wall of the first shell (1) is sleeved with a first connecting plate (3), the rear end of the outer wall of the second shell (2) is sleeved with a second connecting plate (4), the middle part of the outer wall of the front end of the first shell (1) is provided with a positioning groove (20), the middle part of the outer wall of the rear end of the second shell (2) is fixedly connected with a positioning plate (23), the middle part of the upper surface of the first connecting plate (3) and the positioning plate (23) is provided with a plurality of positioning holes (22), the middle part of the inner wall of the positioning hole (22) is provided with a sliding groove (24), the inside of the positioning hole (22) is provided with a positioning piece (21), the lower end of the outer wall of the positioning piece (21) is fixedly connected with a limiting block (26), the middle part of the outer wall of the positioning piece (21) is sleeved with a return spring (25), the rear end of the outer wall of the first shell (1) and the front end of the outer wall of the second shell (2) are sleeved with a third connecting plate (5), the rear end of the first shell (1) is provided with a first pipe box (6), the front end of the second shell (2) is provided with a second pipe box (7), the edge of the inner wall of the rear end of the first shell (1) is fixedly connected with a fixed pipe plate (16), the inside of the first shell (1) and the second shell (2) is throughly connected with a plurality of heat transfer pipes (15), the outer wall of the middle part of the heat transfer pipe (15) is respectively fixedly connected with a plurality of first baffle plates (18) and second baffle plates (19).

2. A heat pipe exchanger according to claim 1, wherein: The front end of the inner wall of the first shell (1) and the rear end of the inner wall of the second shell (2) are fixedly connected with a shell gasket (17).

3. The heat pipe heat exchanger of claim 1, wherein: The positioning plate (23) is clamped and matched with the positioning groove (20).

4. The heat pipe heat exchanger of claim 1, wherein: The lower end of the return spring (25) is fixedly connected with the upper end of the limiting block (26), and the upper end of the return spring (25) is fixedly connected with the top surface of the sliding groove (24).

5. The heat pipe heat exchanger of claim 1, wherein: The middle part of the outer wall of the front end of the first connecting plate (3), the second connecting plate (4), the third connecting plate (5), the first pipe box (6) and the middle part of the outer wall of the rear end of the second pipe box (7) are provided with a plurality of threaded holes (13), and the inside of the threaded hole (13) is provided with a fixed bolt (14).

6. The heat pipe heat exchanger of claim 1, wherein: The inner wall of the first pipe box (6) and the second pipe box (7) close to one end of the first connecting plate (3) is provided with a pipe box gasket (12).

7. The heat pipe heat exchanger of claim 1, wherein: The outer wall of the first baffle plate (18) and the second baffle plate (19) is fixedly connected with the inner wall of the first shell (1) and the second shell (2).

8. The heat pipe heat exchanger of claim 1, wherein: The upper part of the rear end of the outer wall of the first pipe box (6) is provided with a first fluid inlet (8), the lower part of the front end of the outer wall of the second pipe box (7) is provided with a first fluid outlet (10), the upper part of the rear end of the outer wall of the first shell (1) is provided with a second fluid outlet (9), and the lower part of the front end of the outer wall of the second shell (2) is provided with a second fluid inlet (11).