Plate-fin heat exchanger with buffering protection function
By introducing a buffer protection structure into the plate-fin heat exchanger and using the spring restoring force to offset the external force, the instability problem of the plate-fin heat exchanger under the action of external force is solved, and the safety and stability are improved.
Patent Information
- Application Number
- CN202520275838.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing plate-fin heat exchangers lack buffer protection structures, resulting in large vibrations under external forces, unstable connections, and poor safety and stability.
A buffer structure was designed, which includes heat exchange ducts, plate fins, fixed plates, connecting support plates, connecting rods, movable sleeves, and springs. The springs' restoring force counteracts external forces, providing buffer protection in both horizontal and vertical directions.
It improves the safety and stability of plate-fin heat exchangers, reduces shaking and impact caused by external forces, and enhances the protection effect.
Smart Images
Figure CN223896628U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model application relates to plate -fin heat exchanger technical field, specifically a plate -fin heat exchanger with buffer protection. BACKGROUND
[0002] As a kind of heat exchange equipment, plate-fin heat exchanger is usually composed of baffle, fin, seal, guide vane, fin and guide vane are placed between adjacent two baffle, and seal is composed of a sandwich, called channel, such sandwich is stacked according to the different ways of fluid, brazed into a whole to form plate bundle, plate bundle is the core of plate-fin heat exchanger, widely used in petroleum, chemical industry, natural gas processing and other industries.
[0003] The existing plate-fin heat exchanger does not have a buffer protection structure, so when it is used, the vibration force acts on the plate-fin when it is impacted by external force, which can cause unstable connection between the plate-fin and the guide rod, resulting in poor safety and stability of the plate-fin heat exchanger during use. SUMMARY
[0004] To solve the problem of poor safety and stability of the existing plate-fin heat exchanger during use, the utility model provides a plate-fin heat exchanger with buffer protection to solve the above problems.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] A plate-fin heat exchanger with buffer protection, comprising a heat exchange conduit and a plate-fin, the heat exchange conduit extends to one end outside the plate-fin, and an inlet pipe and a fluid outlet pipe are fixed through the heat exchange conduit, respectively, a fixed plate is fixed on the heat exchange conduit on both sides of the plate-fin, a connecting plate is provided outside the two fixed plates, a connecting rod is slidably connected inside each connecting plate, an active sleeve plate is slidably connected on the connecting rod outside each connecting plate, a first spring is sleeved on the connecting rod outside each active sleeve plate, and the two ends of each first spring are fixed on the active sleeve plate and the connecting rod, respectively.
[0007] Further, a fixed rod is provided inside all plate-fins on the side edge of the heat exchange conduit, and the two ends of the two fixed rods are fixed inside the fixed plate.
[0008] Further, a fixed sleeve block is fixed on the outer wall of the connecting plate outside each connecting rod, a moving block is slidably connected inside the fixed sleeve block on the side edge of the connecting rod, and a second spring is fixed between the outer side of each moving block and the inner side of the fixed sleeve block.
[0009] Further, one side of each moving block close to the connecting rod is provided as an arc matched with the connecting rod, and a movable groove matched with the moving block is formed in the inner side of the fixed sleeve block.
[0010] Furthermore, each of the connecting rods is configured as a horizontally placed T-shape, and the width of each movable sleeve is greater than the width of the movable slot.
[0011] Furthermore, each of the moving blocks has a limiting slide rod fixed at the end away from the connecting rod, and the second spring is sleeved on the limiting slide rod. The end of the limiting slide rod away from the moving block is slidably inserted into the fixed sleeve block.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. In this utility model, through the buffer structure on both sides, the shaking caused by bumps or even impacts can be reduced when the plate-fin heat exchanger is subjected to external forces during use. This solves the problem of poor safety and stability of existing plate-fin heat exchangers during use, improves the safety and stability of plate-fin heat exchangers during use, and can better protect the plate-fin heat exchanger.
[0014] 2. In this utility model, the spring buffer design in two directions can buffer and protect the plate-fin heat exchanger when it is subjected to horizontal or vertical external forces, which greatly improves the buffer protection effect of the plate-fin heat exchanger itself. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a three-dimensional structural schematic diagram of a plate-fin heat exchanger according to an embodiment of this application;
[0017] Figure 2 yes Figure 1 Another perspective view of the three-dimensional structure of the plate-fin heat exchanger in the illustrated embodiment.
[0018] Figure 3 yes Figure 1 A schematic diagram of the partial structure in the embodiment shown.
[0019] The meanings of the reference numerals in the figure are as follows: 1. Heat exchange conduit; 2. Plate fin; 3. Fixed plate; 4. Fixed rod; 5. Fluid inlet pipe; 6. Fluid outlet pipe; 7. Connecting support plate; 8. Fixed sleeve block; 9. Connecting rod; 10. Movable sleeve plate; 11. First spring; 12. Movable groove; 13. Moving block; 14. Second spring; 15. Limiting slide rod. DETAILED DESCRIPTION
[0020] In order to make the application purposes, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the embodiments described below are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.
[0021] Referring to Figure 1 , Figure 2 and Figure 3 , a plate-fin heat exchanger with buffer protection includes heat exchange pipes 1 and plate fins 2, one end of the heat exchange pipes 1 extending to the outside of the plate fins 2 is respectively penetrated and fixed with an inlet pipe 5 and a fluid outlet pipe 6, the heat exchange pipes 1 on both sides of the plate fins 2 are both fixed with fixed plates 3, the inside of all the plate fins 2 on the side of the heat exchange pipes 1 is penetrated with fixed rods 4, both ends of the two fixed rods 4 are fixed in the inside of the fixed plates 3, the outside of the two fixed plates 3 is provided with connecting branch plates 7, the inside of each connecting branch plate 7 is slidably sleeved with a connecting rod 9, the outside of each connecting rod 9 of the connecting branch plate 7 is slidably sleeved with a movable sleeve plate 10, the outside of each movable sleeve plate 10 of the connecting rod 9 is sleeved with a first spring 11, both ends of each first spring 11 are respectively fixed on the movable sleeve plate 10 and the connecting rod 9, each connecting rod 9 is provided as a T-shaped transversely placed, and the width of each movable sleeve plate 10 is greater than the width of the movable groove 12.
[0022] Specifically, when the heat exchange pipes 1 are subjected to external force on both sides, the fixed plate 3 on one side is driven to move towards the connecting branch plate 7, the connecting rod 9 is driven to slide in the connecting branch plate 7 and the fixed sleeve block 8, at the same time of sliding, the connecting rod 9 on the other side is driven to move and compress the first spring 11, and the restoring force of the first spring 11 offsets part of the impact force, thereby protecting the plate fins 2.
[0023] As an optimization scheme, as shown in Figure 2 and Figure 3 , the outside wall of each connecting branch plate 7 of each connecting rod 9 is fixed with a fixed sleeve block 8, the inside of the fixed sleeve block 8 on the side of the connecting rod 9 is slidably sleeved with a moving block 13, one side of each moving block 13 close to the connecting rod 9 is provided as an arc shape matched with the connecting rod 9, the inside of the fixed sleeve block 8 is provided with a movable groove 12 matched with the moving block 13, each moving block 13 is fixed with a second spring 14 between the outside and the inside of the fixed sleeve block 8, one end of each moving block 13 away from the connecting rod 9 is fixed with a limiting sliding rod 15, the second spring 14 is sleeved on the limiting sliding rod 15, and one end of the limiting sliding rod 15 away from the moving block 13 is slidably inserted in the inside of the fixed sleeve block 8.
[0024] Specifically, when an external force perpendicular to the heat exchange conduit 1 acts on the plate fin 2, the connecting rod 9 is driven to slide inside the fixed sleeve block 8, and at the same time, the moving block 13 is driven to move inside the movable groove 12, when the moving block 13 moves, the limiting slide rod 15 is driven to slide inside the fixed sleeve block 8, and at the same time, the second spring 14 is compressed, and the restoring force of the second spring 14 offsets part of the extrusion force, thereby buffering and protecting the plate fin 2.
[0025] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.
[0026] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A plate-fin heat exchanger with buffer protection, characterized in that: The device includes a heat exchange conduit (1) and a plate fin (2). The heat exchange conduit (1) extends to one end of the plate fin (2) and is respectively connected to an inlet pipe (5) and a fluid outlet pipe (6). A fixing plate (3) is fixed on the heat exchange conduit (1) on both sides of the plate fin (2). A connecting support plate (7) is provided on the outside of the two fixing plates (3). A connecting rod (9) is slidably sleeved inside each connecting support plate (7). A movable sleeve plate (10) is slidably sleeved on the connecting rod (9) on the outside of each connecting support plate (7). A first spring (11) is sleeved on the connecting rod (9) on the outside of each movable sleeve plate (10). Both ends of each first spring (11) are respectively fixed on the movable sleeve plate (10) and the connecting rod (9).
2. The plate-fin heat exchanger with buffer protection according to claim 1, characterized in that: All the fins (2) on the side of the heat exchange conduit (1) are connected by a fixing rod (4), and both ends of the two fixing rods (4) are fixed inside the fixing plate (3).
3. The plate-fin heat exchanger with buffer protection according to claim 1, characterized in that: A fixing block (8) is fixed on the outer side wall of the connecting support plate (7) on the outer side of each connecting rod (9). A moving block (13) is slidably sleeved inside the fixing block (8) on the side of the connecting rod (9). A second spring (14) is fixed between the outer side of each moving block (13) and the inside of the fixing block (8).
4. The plate-fin heat exchanger with buffer protection according to claim 3, characterized in that: Each of the movable blocks (13) is configured with an arc shape on the side near the connecting rod (9) to cooperate with the connecting rod (9), and the fixed sleeve (8) has an active groove (12) inside that cooperates with the movable block (13).
5. The plate-fin heat exchanger with buffer protection according to claim 4, characterized in that: Each of the connecting rods (9) is configured as a horizontally placed T-shape, and the width of each movable sleeve (10) is greater than the width of the movable slot (12).
6. The plate-fin heat exchanger with buffer protection according to claim 3, characterized in that: Each of the moving blocks (13) has a limiting slide rod (15) fixed at one end away from the connecting rod (9), and the second spring (14) is sleeved on the limiting slide rod (15). The end of the limiting slide rod (15) away from the moving block (13) is slidably inserted into the fixed sleeve block (8).