CN220853227U - Tail vibration-proof structure of hairpin heat exchanger - Google Patents
Tail vibration-proof structure of hairpin heat exchanger Download PDFInfo
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- CN220853227U CN220853227U CN202322682148.5U CN202322682148U CN220853227U CN 220853227 U CN220853227 U CN 220853227U CN 202322682148 U CN202322682148 U CN 202322682148U CN 220853227 U CN220853227 U CN 220853227U
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 claims abstract description 4
- 229910000954 Medium-carbon steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A hair pin type heat exchanger tail vibration-proof structure relates to a vibration-proof structure. The utility model aims to solve the problem that the hairpin heat exchanger in the prior art can cause vibration of the heat exchange tube under the flow of a heat exchange medium when in operation, thereby influencing the service life of the whole heat exchanger. The first vibration-proof plate and the second vibration-proof plate are arranged in the tail U-shaped bent pipe in a mutually alternating mode, and the heat exchange pipe is arranged on the first vibration-proof plate and the second vibration-proof plate in a penetrating mode. The first vibration-proof plate and the second vibration-proof plate are firmly fixed in the U-shaped elbow at the tail part through the inner-shaped fixing plate, the outer U-shaped fixing plate, the first lacing wire and the second lacing wire, and the last first vibration-proof plate is not connected with the baffle plate of the heat exchanger, so that the vibration-proof effect of the tail part of the heat exchanger is achieved, the problem of thermal expansion of the tube bundle and the vibration-proof structure is simultaneously solved, and the service life of the vibration-proof structure is prolonged. The utility model belongs to the technical field of heat exchanger vibration prevention.
Description
Technical Field
The utility model relates to a vibration-proof structure, in particular to a hairpin-type heat exchanger tail vibration-proof structure, and belongs to the technical field of heat exchanger vibration prevention.
Background
In the field of power generation, a heat exchanger is one of important equipment, and with the continuous increase of unit power and continuous upgrade of mechanical manufacturing capability, the size of the heat exchanger equipment is also larger and larger.
In the hairpin heat exchanger with the U-shaped heat exchange tube, the tail shell is of a U-shaped bent pipe structure, the bending radius of the heat exchange tube is larger, the unsupported span of the heat exchange tube in the tail shell is larger, and when the heat exchanger works, the heat exchange tube can vibrate under the flowing of a heat exchange medium, so that the service life of the whole heat exchanger is influenced.
In view of the foregoing, it is an object of the present invention to provide a vibration isolation structure, which is suitable for the above-mentioned technical problems.
Disclosure of utility model
The utility model provides a hair pin type heat exchanger tail vibration-proof structure aiming at the defects of the prior art.
The technical scheme of the utility model is as follows: a hair pin type heat exchanger tail vibration-proof structure comprises an inner U-shaped fixing plate, an outer U-shaped fixing plate, a group of first lacing wires, a plurality of groups of second lacing wires, a plurality of first vibration-proof plates and a plurality of second vibration-proof plates which are arranged in a tail U-shaped bent pipe.
The first vibration-proof plates and the second vibration-proof plates are semicircular porous plates, the total number of the first vibration-proof plates is 1 more than that of the second vibration-proof plates, the first vibration-proof plates and the second vibration-proof plates are arranged in a mutually alternating mode, and the heat exchange tubes are arranged on the first vibration-proof plates and the second vibration-proof plates in a penetrating mode.
The inner U-shaped fixing plate is arranged on one side of the tail U-shaped bent pipe with small radius, and the outer U-shaped fixing plate is arranged on one side of the tail U-shaped bent pipe with large radius.
One end of the inner U-shaped fixing plate is fixedly connected with the heat exchanger baffle plate, and the other end of the inner U-shaped fixing plate is fixedly connected with the last first vibration-proof plate. One end of the outer U-shaped fixing plate is fixedly connected with the heat exchanger baffle plate, and the other end of the outer U-shaped fixing plate is fixedly connected with the last second vibration-proof plate.
The circular arc edge of each first vibration-proof plate is fixedly connected with the inner U-shaped fixing plate, and the straight edge of each first vibration-proof plate faces the inner side wall with the large radius of the tail U-shaped bent pipe. The circular arc edge of each second vibration-proof plate is fixedly connected with the outer U-shaped fixing plate, and the straight edge of each second vibration-proof plate faces the inner side wall with the small radius of the tail U-shaped bent pipe.
The first lacing wire and the second lacing wire are arranged along the circumference of the tail U-shaped bent pipe. The first vibration-proof plate and the second vibration-proof plate are connected through a second lacing wire, one end face of the first lacing wire is fixedly connected with the heat exchanger baffle plate, and the other end face of the first lacing wire is fixedly connected with the first vibration-proof plate.
Further, the first vibration-proof plate and the second vibration-proof plate are arranged at equal angles within the tail U-bend.
Further, the first lacing wires of a group comprise two first lacing wires, and the second lacing wires of each group comprise two second lacing wires.
Compared with the prior art, the utility model has the following effects:
1. The utility model has strong capability of supporting the tube bundle, the first vibration-proof plate 5 and the second vibration-proof plate 6 are arranged in the tail U-shaped bent tube 9 in a mutually alternating mode, and the heat exchange tube 7 is arranged on the first vibration-proof plate 5 and the second vibration-proof plate 6 in a penetrating way. The first vibration-proof plate 5 and the second vibration-proof plate 6 are firmly fixed in the tail U-shaped bent pipe 9 through the inner U-shaped fixing plate 1, the outer U-shaped fixing plate 2, the first lacing wire 3 and the second lacing wire 4, and the last first vibration-proof plate 5 is not connected with the heat exchanger baffle plate 8, so that the effect of vibration prevention of the tail of the heat exchanger is achieved, the problem of thermal expansion of a tube bundle and a vibration-proof structure is met, and the service life of the vibration-proof structure is prolonged.
2. The utility model has simple structure, strong adaptability, easily obtained structural materials, low price and easy popularization and use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view in the direction A of FIG. 1;
FIG. 3 is a cross-sectional view in the direction B in FIG. 1;
FIG. 4 is an enlarged view of a portion of the portion I of FIG. 1;
Fig. 5 is an enlarged view of a portion at ii in fig. 1.
In the figure: 1. an inner U-shaped fixing plate; 2. an outer U-shaped fixing plate; 3. a first tie bar; 4. a second lacing wire; 5. a first vibration-proof plate; 6. a second vibration-proof plate; 7. a heat exchange tube; 8. a heat exchanger baffle; 9. the tail part is a U-shaped bent pipe.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 5, and a hairpin heat exchanger tail vibration-proof structure of the present embodiment includes an inner U-shaped fixing plate 1, an outer U-shaped fixing plate 2, a set of first tie bars 3, a plurality of sets of second tie bars 4, a plurality of first vibration-proof plates 5, and a plurality of second vibration-proof plates 6 arranged in a tail U-shaped bent pipe 9.
The first vibration-proof plates 5 and the second vibration-proof plates 6 are each semicircular porous plates, and the total number of the first vibration-proof plates 5 is 1 more than the total number of the second vibration-proof plates 6, the first vibration-proof plates 5 and the second vibration-proof plates 6 are arranged in an alternating manner, and the heat exchange tubes 7 are provided to penetrate through the first vibration-proof plates 5 and the second vibration-proof plates 6.
The inner U-shaped fixing plate 1 is arranged on the side with the small radius of the tail U-shaped bent pipe 9, and the outer U-shaped fixing plate 2 is arranged on the side with the large radius of the tail U-shaped bent pipe 9.
One end of the inner U-shaped fixing plate 1 is fixedly connected with the heat exchanger baffle plate 8, and the other end of the inner U-shaped fixing plate 1 is fixedly connected with the last first vibration-proof plate 5.
One end of the outer U-shaped fixing plate 2 is fixedly connected with the heat exchanger baffle plate 8, and the other end of the outer U-shaped fixing plate 2 is fixedly connected with the last second vibration-proof plate 6.
The circular arc edge of each first vibration-proof plate 5 is fixedly connected with the inner U-shaped fixing plate 1, and the straight edge of each first vibration-proof plate 5 faces the inner side wall with the large radius of the tail U-shaped bent pipe 9. The circular arc edge of each second vibration-proof plate 6 is fixedly connected with the outer U-shaped fixing plate 2, and the straight edge of each second vibration-proof plate 6 faces the inner side wall with the small radius of the tail U-shaped bent pipe 9.
The first tie bar 3 and the second tie bar 4 are arranged along the circumferential direction of the tail U-bend 9. The first vibration-proof plate 5 and the second vibration-proof plate 6 are connected through the second lacing wire 4, one end face of the first lacing wire 3 is fixedly connected with the heat exchanger baffle plate 8, and the other end face of the first lacing wire 3 is fixedly connected with the first vibration-proof plate 5.
In this embodiment, the last first vibration-proof plate 5 is not connected to the heat exchanger baffle 8, and is thus arranged to satisfy the thermal expansion problem of the tube bundle and vibration-proof structure.
The second embodiment is as follows: the present embodiment in which the first vibration-proof plate 5 and the second vibration-proof plate 6 are equiangularly arranged in the tail U-bend 9 is described with reference to fig. 1 to 5.
Further, the first set of tie bars 3 includes two first tie bars 3, and each set of second tie bars 4 includes two second tie bars 4.
Further, the number of the first vibration isolation plates 5 is 4 to 6, and the number of the second vibration isolation plates 6 is 3 to 5. The specific number can be adjusted according to the bending radius and the supporting span of the heat exchange tube.
Further, the inner U-shaped fixing plate 1, the outer U-shaped fixing plate 2, the first lacing wire 3, the second lacing wire 4, the first vibration-proof plate 5 and the second vibration-proof plate 6 are made of medium carbon steel or stainless steel.
Other components and connection relationships are the same as those of the first embodiment.
Principle of operation
The tail U-shaped bent pipe 9 is formed by welding two symmetrical half shells left and right, the first vibration-proof plate 5 and the second vibration-proof plate 6 are arranged in the tail U-shaped bent pipe 9 in a mutually alternating mode, and the heat exchange pipe 7 is arranged on the first vibration-proof plate 5 and the second vibration-proof plate 6 in a penetrating mode.
The inner U-shaped fixing plate 1 is arranged on the side with the small radius of the tail U-shaped bent pipe 9, and the outer U-shaped fixing plate 2 is arranged on the side with the large radius of the tail U-shaped bent pipe 9. The first tie bar 3 and the second tie bar 4 are arranged along the circumferential direction of the tail U-bend 9.
One end of the inner U-shaped fixing plate 1 is fixedly connected with the heat exchanger baffle plate 8, and the other end of the inner U-shaped fixing plate 1 is fixedly connected with the last first vibration-proof plate 5. One end of the outer U-shaped fixing plate 2 is fixedly connected with the heat exchanger baffle plate 8, and the other end of the outer U-shaped fixing plate 2 is fixedly connected with the last second vibration-proof plate 6.
The circular arc edge of each first vibration-proof plate 5 is fixedly connected with the inner U-shaped fixing plate 1, and the straight edge of each first vibration-proof plate 5 faces the inner side wall with the large radius of the tail U-shaped bent pipe 9. The circular arc edge of each second vibration-proof plate 6 is fixedly connected with the outer U-shaped fixing plate 2, and the straight edge of each second vibration-proof plate 6 faces the inner side wall with the small radius of the tail U-shaped bent pipe 9.
The first vibration-proof plate 5 and the second vibration-proof plate 6 are firmly fixed in the tail U-shaped bent pipe 9 through the inner U-shaped fixing plate 1, the outer U-shaped fixing plate 2, the first lacing wire 3 and the second lacing wire 4. After the components are installed, the whole vibration-proof structure is finally formed, so that the vibration of the heat exchange tube during working is effectively relieved, and the vibration-proof effect of the tail part of the hairpin heat exchanger is achieved.
The present utility model has been described in terms of the preferred embodiments, but is not limited thereto, and any simple modification, equivalent changes and variation of the above embodiments according to the technical principles of the present utility model will be within the scope of the present utility model, as will be apparent to those skilled in the art without departing from the spirit and scope of the present utility model.
Claims (5)
1. A hairpin heat exchanger afterbody antivibration structure, its characterized in that:
The anti-vibration device comprises an inner U-shaped fixing plate (1), an outer U-shaped fixing plate (2), a group of first lacing wires (3), a plurality of groups of second lacing wires (4), a plurality of first anti-vibration plates (5) and a plurality of second anti-vibration plates (6) which are arranged in a tail U-shaped bent pipe (9);
The first vibration-proof plates (5) and the second vibration-proof plates (6) are semicircular porous plates, the total number of the first vibration-proof plates (5) is 1 more than that of the second vibration-proof plates (6), the first vibration-proof plates (5) and the second vibration-proof plates (6) are arranged in a mutually alternating mode, and the heat exchange tubes (7) are arranged on the first vibration-proof plates (5) and the second vibration-proof plates (6) in a penetrating mode;
The inner U-shaped fixing plate (1) is arranged on one side of the tail U-shaped bent pipe (9) with a small radius, and the outer U-shaped fixing plate (2) is arranged on one side of the tail U-shaped bent pipe (9) with a large radius;
One end of the inner U-shaped fixing plate (1) is fixedly connected with the heat exchanger baffle plate (8), and the other end of the inner U-shaped fixing plate (1) is fixedly connected with the last first vibration-proof plate (5);
One end of the outer U-shaped fixing plate (2) is fixedly connected with the heat exchanger baffle plate (8), and the other end of the outer U-shaped fixing plate (2) is fixedly connected with the last second vibration-proof plate (6);
The circular arc edge of each first vibration-proof plate (5) is fixedly connected with the inner U-shaped fixing plate (1), and the straight edge of each first vibration-proof plate (5) faces the inner side wall with the large radius of the tail U-shaped bent pipe (9); the circular arc edge of each second vibration-proof plate (6) is fixedly connected with the outer U-shaped fixing plate (2), and the straight edge of each second vibration-proof plate (6) faces the inner side wall with small radius of the tail U-shaped bent pipe (9);
The first lacing wire (3) and the second lacing wire (4) are arranged along the circumferential direction of the tail U-shaped bent pipe (9); the first vibration-proof plate (5) and the second vibration-proof plate (6) are connected through a second lacing wire (4), one end face of the first lacing wire (3) is fixedly connected with the heat exchanger baffle plate (8), and the other end face of the first lacing wire (3) is fixedly connected with the first vibration-proof plate (5).
2. The vibration-proof structure of the tail of the hairpin heat exchanger according to claim 1, wherein: the first vibration-proof plate (5) and the second vibration-proof plate (6) are arranged at equal angles in the tail U-shaped bent pipe (9).
3. The vibration-proof structure of the tail of the hairpin heat exchanger according to claim 2, wherein: the first lacing wires (3) comprise two first lacing wires (3), and each second lacing wire (4) comprises two second lacing wires (4).
4. A hairpin heat exchanger tail vibration prevention structure according to claim 3 wherein: the number of the first vibration-proof plates (5) is 3-6, and the number of the second vibration-proof plates (6) is 2-5.
5. The vibration-proof structure of the tail of the hairpin heat exchanger according to claim 4, wherein: the inner U-shaped fixing plate (1), the outer U-shaped fixing plate (2), the first lacing wires (3), the second lacing wires (4), the first vibration-proof plate (5) and the second vibration-proof plate (6) are made of medium carbon steel or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322682148.5U CN220853227U (en) | 2023-10-07 | 2023-10-07 | Tail vibration-proof structure of hairpin heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322682148.5U CN220853227U (en) | 2023-10-07 | 2023-10-07 | Tail vibration-proof structure of hairpin heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220853227U true CN220853227U (en) | 2024-04-26 |
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ID=90745846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322682148.5U Active CN220853227U (en) | 2023-10-07 | 2023-10-07 | Tail vibration-proof structure of hairpin heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220853227U (en) |
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2023
- 2023-10-07 CN CN202322682148.5U patent/CN220853227U/en active Active
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