Stress self-eliminating winding type heat exchanger
By introducing rubber buffer rings and stabilizing tube structures into the wound heat exchanger, the problem of tube bundle vibration stress was solved, the stability of the device was enhanced, and the disassembly and maintenance process of the wound tubes was simplified.
Patent Information
- Application Number
- CN202520070539.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-13
AI Technical Summary
In wound heat exchangers, the tube bundle vibration caused by the flow of fluid in the shell side leads to stress accumulation, resulting in tube bundle fatigue damage. At the same time, the wound tubes are difficult to disassemble inside the shell, making maintenance inconvenient.
The structure employs a rubber buffer ring and a stabilizing tube to buffer vibration stress and enhance the stability of the wound tube. At the same time, the detachable connection mechanism facilitates the disassembly and maintenance of the wound tube.
It effectively alleviates the vibration stress of the winding tube, improves the stability of the device, and simplifies the disassembly process of the winding tube, making maintenance easier.
Smart Images

Figure CN223726900U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a winding type heat exchanger technical field especially relates to a stress self -elimination formula winding type heat exchanger. BACKGROUND
[0002] Winding type heat exchanger is a kind of efficient heat exchange equipment, based on heat conduction and fluid flow principle. Hot medium enters winding pipe through inlet pipe, heat is conducted to the working medium in shell by the wall of winding pipe, at the same time, working medium flows in shell, constantly takes away heat, realizes heat exchange, hot medium is discharged from winding pipe heat exchanger through outlet pipe, and working medium also flows in its own circulation system, continues to carry out heat exchange.
[0003] In prior art, when shell fluid flows, it can cause tube bundle vibration, leading to vibration stress of tube bundle, when shell fluid flow rate is too high or flow state is unstable, it is easy to make tube bundle vibrate, and further produce stress, long-term effect can make tube bundle fatigue damage, secondly, winding pipe is difficult to disassemble and take out in shell, further more, it is inconvenient to overhaul heat exchanger. UTILITY MODEL CONTENTS
[0004] The utility model discloses a stress self -elimination formula winding type heat exchanger to solve the problem that tube bundle vibrates and further produces stress in the background art, long-term effect can make tube bundle fatigue damage, secondly, winding pipe is difficult to disassemble and take out in shell, further more, it is inconvenient to overhaul heat exchanger.
[0005] In order to realize the above-mentioned purpose, the utility model discloses a technical scheme as follows: including: heat exchanger shell, the outer wall of heat exchanger shell is fixedly connected with one side of first connecting pipe, the outer wall of the upper and lower ends of heat exchanger shell is fixedly connected with the outer wall of first mounting flange ring, the upper and lower ends of heat exchanger shell are provided with connecting mechanism, the connecting mechanism includes connecting frame, second connecting pipe, threaded ring, mounting threaded rod and second mounting flange ring, the inner wall of heat exchanger shell is provided with winding pipe, the inside of connecting mechanism is provided with vibration absorbing subassembly, the vibration absorbing subassembly includes support plate, threaded installation slot, sealing ring, rubber buffer ring, first stabilizing pipe and second stabilizing pipe.
[0006] As a preferred implementation, the upper and lower ends of the heat exchanger shell are movably connected with one end of the connecting frame, and the end of the connecting frame away from the heat exchanger shell is fixedly connected with one end of the second connecting pipe.
[0007] As a preferred implementation, the outer wall of the connecting frame is fixedly connected with one end of the threaded ring, and the inner wall of the threaded ring is threadedly connected with the outer wall of the mounting threaded rod.
[0008] As a preferred implementation form, the inside of the connecting frame is provided with a moving opening for the moving of the mounting threaded rod, and the outer wall of the end of the connecting frame close to the heat exchanger shell is fixedly connected with the inner wall of the second mounting flange ring, and one side of the second mounting flange ring is fixedly connected with one side of the first mounting flange ring through bolts.
[0009] As a preferred implementation form, the inner wall of the connecting frame is movably connected with the outer wall of the supporting plate, and the inner wall of the supporting plate is provided with a threaded mounting groove, and the inner wall of the threaded mounting groove is threadedly connected with the outer wall of the mounting threaded rod.
[0010] As a preferred implementation form, the outer wall of the supporting plate is fixedly connected with the inner wall of the sealing ring, and the outer wall of the sealing ring is movably connected with the inner wall of the connecting frame.
[0011] As a preferred implementation form, the inner wall of the supporting plate is fixedly connected with the outer wall of the rubber buffer ring, and the top of the supporting plate is fixedly connected with the bottom of the first stabilizing pipe, and the bottom of the supporting plate is fixedly connected with the top of the second stabilizing pipe.
[0012] As a preferred implementation form, the outer wall of the winding pipe is movably connected with the inner wall of the rubber buffer ring, and the inner walls of the first stabilizing pipe and the second stabilizing pipe are fixedly welded with the outer wall of the winding pipe, and the first stabilizing pipe and the second stabilizing pipe are respectively located at the top and the bottom of the rubber buffer ring.
[0013] Compared with the prior art, the utility model has the advantages and positive effects that:
[0014] 1、The utility model discloses a winding pipe is fixedly connected with the heat exchanger shell, and the rubber buffer ring is arranged between the winding pipe and the heat exchanger shell, and the rubber buffer ring is arranged on the outer wall of the straight pipe of the winding pipe, and the inner wall of the rubber buffer ring is movably connected with the outer wall of the straight pipe.
[0015] 2、The utility model discloses a winding pipe is fixedly connected with the heat exchanger shell, and the rubber buffer ring is arranged between the winding pipe and the heat exchanger shell, and the rubber buffer ring is arranged on the outer wall of the straight pipe of the winding pipe, and the inner wall of the rubber buffer ring is movably connected with the outer wall of the straight pipe. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A stress self-elimination type winding heat exchanger structure schematic view is provided for the utility model;
[0017] Figure 2The utility model provides a kind of stress self-elimination formula winding heat exchanger's connecting mechanism schematic view;
[0018] Figure 3 The utility model provides a kind of stress self-elimination formula winding heat exchanger's connecting mechanism sectional view;
[0019] Figure 4 The utility model provides a kind of stress self-elimination formula winding heat exchanger's damping assembly sectional view.
[0020] Legend:
[0021] 1, heat exchanger shell;2, first connecting pipe;3, first mounting flange ring;4, connecting mechanism;401, connecting frame;402, second connecting pipe;403, threaded ring;404, mounting threaded rod;405, second mounting flange ring;5, winding pipe;6, damping assembly;601, support plate;602, threaded mounting slot;603, sealing ring;604, rubber buffer ring;605, first stabilizing pipe;606, second stabilizing pipe. Specific embodiments
[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely 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, not all. 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.
[0023] Please refer to Figures 1-4 The utility model provides a kind of technical scheme:Including:Heat exchanger shell 1, the outer wall of heat exchanger shell 1 is connected with the side of first connecting pipe 2, the upper and lower ends outer wall of heat exchanger shell 1 is connected with the outer wall of first mounting flange ring 3, heat exchanger shell 1 is provided with connecting mechanism 4 in the upper and lower ends, connecting mechanism 4 includes connecting frame 401, second connecting pipe 402, threaded ring 403, mounting threaded rod 404 and second mounting flange ring 405, the inner wall of heat exchanger shell 1 is provided with winding pipe 5, the inside of connecting mechanism 4 is provided with damping assembly 6, damping assembly 6 includes support plate 601, threaded mounting slot 602, sealing ring 603, rubber buffer ring 604, first stabilizing pipe 605 and second stabilizing pipe 606.
[0024] In an embodiment, the upper and lower ends of heat exchanger shell 1 are movably connected with one end of connecting frame 401, and the end of connecting frame 401 away from heat exchanger shell 1 is fixedly connected with one end of second connecting pipe 402.
[0025] Specifically, the detachable connecting frame 401 facilitates the disassembly of the winding pipe 5, thereby facilitating the maintenance of the device.
[0026] In one embodiment, the outer wall of the connecting frame 401 is fixedly connected with one end of the threaded ring 403, and the inner wall of the threaded ring 403 is threadedly connected with the outer wall of the mounting threaded rod 404.
[0027] Specifically, the threaded ring 403 is arranged to enable the mounting threaded rod 404 to be taken out from the inside of the threaded mounting slot 602.
[0028] In one embodiment, the inside of the connecting frame 401 is provided with a moving opening for the movement of the mounting threaded rod 404, the outer wall of the connecting frame 401 near one end of the heat exchanger shell 1 is fixedly connected with the inner wall of the second mounting flange ring 405, and one side of the second mounting flange ring 405 is fixedly connected with one side of the first mounting flange ring 3 through a bolt.
[0029] Specifically, the bolt between the second mounting flange ring 405 and the first mounting flange ring 3 is disassembled using a tool.
[0030] In one embodiment, the inner wall of the connecting frame 401 is movably connected with the outer wall of the supporting plate 601, and the inner wall of the supporting plate 601 is provided with a threaded mounting slot 602, and the inner wall of the threaded mounting slot 602 is threadedly connected with the outer wall of the mounting threaded rod 404.
[0031] Specifically, the threaded ring 403 is arranged to enable the mounting threaded rod 404 to be taken out from the inside of the threaded mounting slot 602, so that the supporting plate 601 is separated from the inside of the connecting frame 401.
[0032] In one embodiment, the outer wall of the supporting plate 601 is fixedly connected with the inner wall of the sealing ring 603, and the outer wall of the sealing ring 603 is movably connected with the inner wall of the connecting frame 401.
[0033] Specifically, the sealing ring 603 is arranged to ensure the simulation effect after the installation of the supporting plate 601, and to avoid liquid leakage.
[0034] In one embodiment, the inner wall of the supporting plate 601 is fixedly connected with the outer wall of the rubber buffer ring 604, the top of the supporting plate 601 is fixedly connected with the bottom of the first stabilizing pipe 605, and the bottom of the supporting plate 601 is fixedly connected with the top of the second stabilizing pipe 606.
[0035] Specifically, when the liquid flow causes the winding pipe 5 to generate vibration stress, the outer wall of the straight pipe of the winding pipe 5 is in contact with the inner wall of the rubber buffer ring 604, the vibration of the winding pipe 5 is buffered by the flexibility of the rubber buffer ring 604, the vibration intensity is buffered by the rubber buffer ring 604, and the device is self-eliminated to the stress.
[0036] In one embodiment, the outer wall of the winding pipe 5 is movably connected with the inner wall of the rubber buffer ring 604, and the inner walls of the first stabilizing pipe 605 and the second stabilizing pipe 606 are fixedly welded with the outer wall of the winding pipe 5, and the first stabilizing pipe 605 and the second stabilizing pipe 606 are respectively located at the top and bottom of the rubber buffer ring 604.
[0037] Specifically, the stability of the winding pipe 5 after connection is increased by the first stabilizing pipe 605 and the second stabilizing pipe 606.
[0038] Working principle: when the liquid flow causes the winding pipe 5 to generate vibration stress, since the outer wall of the straight pipe of the winding pipe 5 is in contact with the inner wall of the rubber buffer ring 604, the vibration generated by the winding pipe 5 is buffered by the flexibility of the rubber buffer ring 604, when the winding pipe 5 is taken out for maintenance, the bolts between the second mounting flange ring 405 and the first mounting flange ring 3 are disassembled by using tools, then the mounting threaded rod 404 is rotated, the mounting threaded rod 404 is taken out from the inside of the threaded mounting groove 602 through the setting of the threaded ring 403, the support plate 601 is separated from the inside of the connecting frame 401, and then the winding pipe 5 is disassembled and taken out from the inside of the heat exchanger shell 1.
[0039] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the present application.
Claims
1. A stress self-relief type wound heat exchanger, characterized by, Include: Heat exchanger shell (1), the outer wall of heat exchanger shell (1) is fixedly connected with one side of first connecting pipe (2), the outer wall of heat exchanger shell (1) is fixedly connected with the outer wall of first mounting flange ring (3) at both ends, the connecting mechanism (4) is arranged at both ends of heat exchanger shell (1), the connecting mechanism (4) includes connecting frame (401), second connecting pipe (402), threaded ring (403), mounting threaded rod (404) and second mounting flange ring (405), the inner wall of heat exchanger shell (1) is provided with winding pipe (5), the inside of connecting mechanism (4) is provided with damping assembly (6), damping assembly (6) includes support plate (601), threaded mounting groove (602), sealing ring (603), rubber buffer ring (604), first stabilizing pipe (605) and second stabilizing pipe (606).
2. A stress self-relieving coiled heat exchanger according to claim 1, wherein: The upper and lower ends of the heat exchanger shell (1) are movably connected with one end of the connecting frame (401), and the other end of the connecting frame (401) away from the heat exchanger shell (1) is fixedly connected with one end of the second connecting pipe (402).
3. A stress self-relieving coiled heat exchanger according to claim 2, wherein: The outer wall of the connecting frame (401) is fixedly connected with one end of the threaded ring (403), and the inner wall of the threaded ring (403) is threadedly connected with the outer wall of the mounting threaded rod (404).
4. A stress self-relieving wound heat exchanger according to claim 3, characterized in that: The inside of the connecting frame (401) is provided with a moving opening for the movement of the mounting threaded rod (404), and the outer wall of one end of the connecting frame (401) close to the heat exchanger shell (1) is fixedly connected with the inner wall of the second mounting flange ring (405), and one side of the second mounting flange ring (405) is fixedly connected with one side of the first mounting flange ring (3) by bolts.
5. A stress self-relieving coiled heat exchanger according to claim 1, wherein: The inner wall of the connecting frame (401) is movably connected with the outer wall of the support plate (601), and the inner wall of the support plate (601) is provided with a threaded mounting groove (602), and the inner wall of the threaded mounting groove (602) is threadedly connected with the outer wall of the mounting threaded rod (404).
6. A stress self-relieving wound heat exchanger according to claim 5, wherein: The outer wall of the support plate (601) is fixedly connected with the inner wall of the sealing ring (603), and the outer wall of the sealing ring (603) is movably connected with the inner wall of the connecting frame (401).
7. A stress self-relieving wound heat exchanger according to claim 6, characterized in that: The inner wall of the support plate (601) is fixedly connected with the outer wall of the rubber buffer ring (604), and the top of the support plate (601) is fixedly connected with the bottom of the first stabilizing pipe (605), and the bottom of the support plate (601) is fixedly connected with the top of the second stabilizing pipe (606).
8. A stress self-relieving wound heat exchanger according to claim 7, characterized in that: The outer wall of the winding pipe (5) is movably connected with the inner wall of the rubber buffer ring (604), and the inner walls of the first stabilizing pipe (605) and the second stabilizing pipe (606) are fixedly welded with the outer wall of the winding pipe (5), and the first stabilizing pipe (605) and the second stabilizing pipe (606) are located at the top and the bottom of the rubber buffer ring (604) respectively.