CN219693976U - Connecting device for shell-and-tube heat exchanger - Google Patents
Connecting device for shell-and-tube heat exchanger Download PDFInfo
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- CN219693976U CN219693976U CN202320400476.9U CN202320400476U CN219693976U CN 219693976 U CN219693976 U CN 219693976U CN 202320400476 U CN202320400476 U CN 202320400476U CN 219693976 U CN219693976 U CN 219693976U
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- tube plate
- tube
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- inner ring
- outer ring
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- 238000010030 laminating Methods 0.000 claims 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a connecting device for a shell-and-tube heat exchanger, which comprises a tube plate A and a tube plate B, wherein an outer ring A and an inner ring A are arranged on the tube plate A, an outer ring B and an inner ring B are arranged on the tube plate B, the outer ring A of the tube plate A is attached to the outer ring B of the tube plate B, and the inner ring A of the tube plate A is attached to the inner ring B of the tube plate B. The whole length of the shell-and-tube heat exchanger can be changed at will to form assembly connection, which is favorable for maintaining and replacing the heat exchange tubes, and the shells of different numbers of heat exchange tubes can be connected.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a connecting device for a shell-and-tube heat exchanger.
Background
At present, a shell-and-tube heat exchanger sold and used in the market adopts a shell outside a middle heat exchange tube and two end tube boxes. The maximum length of the heat exchanger depends on the maximum length of the heat exchange tubes. The number is between 6 and 12 meters. And is monolithic, which is not conducive to repair and replacement. The labor intensity of the industrial workers of the shell-and-tube heat exchanger is high (the heat exchange tube is manually installed), and deformation and scratch of the heat exchange tube are unavoidable.
Disclosure of Invention
The utility model provides a connecting device for a shell-and-tube heat exchanger, which aims to solve the technical problem that the labor intensity of manually installing a heat exchange tube of the shell-and-tube heat exchanger is high.
The utility model is realized by the following measures:
the connecting device for the shell-and-tube heat exchanger comprises a tube plate A and a tube plate B, wherein an outer ring A and an inner ring A are arranged on the tube plate A, an outer ring B and an inner ring B are arranged on the tube plate B, the outer ring A of the tube plate A is attached to the outer ring B of the tube plate B, and the inner ring A of the tube plate A is attached to the inner ring B of the tube plate B.
Preferably, the outer ring A and the inner ring A of the tube plate A are hollow cylinders, one end of the outer ring A is welded with the tube plate A, the other end of the outer ring A extends out of the tube plate A to be arranged in a suspending mode, one end of the inner ring A is welded with the tube plate A, the other end of the inner ring A extends out of the tube plate A to be arranged in a suspending mode, and the outer ring A is concentric with the inner ring A.
Preferably, the outer ring B and the inner ring B of the tube plate B are hollow conical, the outer conical surface of the outer ring B is attached to the inner side surface of the outer ring a of the tube plate a, and the outer conical surface of the inner ring B is attached to the inner side surface of the inner ring a of the tube plate a.
Preferably, the outer ring B of the tube plate B is hollow cylindrical, the outer side surface of the outer ring B of the tube plate B is attached to the inner side surface of the outer ring a of the tube plate a, a gasket is arranged at the attaching position, the inner ring B of the tube plate B is hollow cylindrical, the outer side surface of the inner ring B of the tube plate B is attached to the inner side surface of the inner ring a of the tube plate a, and the gasket is also arranged at the attaching position.
Preferably, the outer diameter of the outer ring B of the tube plate B is smaller than the inner diameter of the outer ring a of the tube plate a, a gasket B is arranged between the outer ring B of the tube plate B and the end face of the tube plate a, the outer diameter of the inner ring B of the tube plate B is smaller than the outer diameter of the inner ring a of the tube plate a, and a gasket B is also arranged between the inner ring B of the tube plate B and the end face of the tube plate a.
Preferably, the gasket a and the gasket B are hollow cylinders.
The utility model has the beneficial effects that:
1. the whole length of the shell-and-tube heat exchanger can be changed at will to form assembly connection, which is favorable for maintaining and replacing the heat exchange tubes, and the shells of different numbers of heat exchange tubes can be connected.
2. The tube plate A is provided with an inner ring A and an outer ring B, the tube plate B is provided with an inner ring B and an outer ring B, the inner ring A and the inner ring B are sealed to ensure the tightness of the heat exchange tube, and the outer ring B and the outer ring A are sealed to ensure the tightness of shell side media.
Drawings
Fig. 1 is a schematic structural view of the present utility model applied to a heat exchanger.
Fig. 2 is a schematic structural diagram of embodiment 1.
Fig. 3 is a schematic structural diagram of embodiment 2.
Fig. 4 is a schematic structural diagram of embodiment 3.
FIG. 5 is a schematic diagram of a medium exchange structure implemented in accordance with the present utility model.
Wherein, the reference numerals are as follows: 1. a tube plate A;11. an outer ring A;12. an inner ring A;2. a tube plate B;21. an outer ring B;22. an inner ring B;3. a gasket A;4. a gasket B;5. a heat exchange tube A;6. a heat exchange tube B;7. a housing.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
Tube sheet a and tube sheet B referred to in the present utility model,
example 1:
referring to fig. 1 and 2, a connecting device for a shell-and-tube heat exchanger comprises a tube plate A1 and a tube plate B2, wherein an outer ring a11 and an inner ring a12 are arranged on the tube plate A1, an outer ring B21 and an inner ring B22 are arranged on the tube plate B2, the outer ring a11 of the tube plate A1 is attached to the outer ring B21 of the tube plate B2, and the inner ring a12 of the tube plate A1 is attached to the inner ring B22 of the tube plate B2.
The outer ring A11 and the inner ring A12 of the tube plate A1 are hollow cylinders, one end of the outer ring A11 is welded with the tube plate A1, the other end of the outer ring A11 extends out of the tube plate A1 to be arranged in a suspending mode, one end of the inner ring A12 is welded with the tube plate A1, the other end of the inner ring A12 extends out of the tube plate A1 to be arranged in a suspending mode, and the outer ring A11 and the inner ring A12 are concentric.
The outer ring B21 and the inner ring B22 of the tube plate B2 are hollow conical, the outer conical surface of the outer ring B21 is attached to the inner side surface of the outer ring A11 of the tube plate A1, and the outer conical surface of the inner ring B22 is attached to the inner side surface of the inner ring A12 of the tube plate A1.
In the embodiment 1, the sealing is finished by means of extrusion of the inner side face of the outer ring A of the tube plate A and the outer side face of the outer ring B of the tube plate B, and the sealing is finished by means of extrusion of the outer side face of the inner ring A of the tube plate A and the inner side face of the inner ring B of the tube plate B, and the sealing is finished by means of bolt pretightening force between the tube plate A and the tube plate B.
Example 2:
referring to fig. 1 and 3, a connection device for a shell-and-tube heat exchanger comprises a tube plate A1 and a tube plate B2, wherein an outer ring a11 and an inner ring a12 are arranged on the tube plate A1, an outer ring B21 and an inner ring B22 are arranged on the tube plate B2, the outer ring a11 of the tube plate A1 is attached to the outer ring B21 of the tube plate B2, and the inner ring a12 of the tube plate A1 is attached to the inner ring B22 of the tube plate B2.
The outer ring A11 and the inner ring A12 of the tube plate A1 are hollow cylinders, one end of the outer ring A11 is welded with the tube plate A1, the other end of the outer ring A11 extends out of the tube plate A1 to be arranged in a suspending mode, one end of the inner ring A12 is welded with the tube plate A1, the other end of the inner ring A12 extends out of the tube plate A1 to be arranged in a suspending mode, and the outer ring A11 and the inner ring A12 are concentric.
The outer ring B21 of the tube plate B2 is hollow and cylindrical, the outer side surface of the outer ring B21 of the tube plate B2 is attached to the inner side surface of the outer ring A11 of the tube plate A1, a gasket 3 is arranged at the attaching position, the inner ring B22 of the tube plate B2 is hollow and cylindrical, the outer side surface of the inner ring B22 of the tube plate B2 is attached to the inner side surface of the inner ring A12 of the tube plate A1, and the gasket 3 is also arranged at the attaching position.
Embodiment 2 relies on the gasket a being arranged between the inner side of the outer ring a of the tube plate a and the outer side of the outer ring B of the tube plate B to realize the sealing between the outer rings, and relies on the gasket a being arranged between the outer side of the inner ring a of the tube plate a and the inner side of the inner ring B of the tube plate B to realize the sealing between the inner rings, wherein the gasket a is hollow and cylindrical.
Example 3:
referring to fig. 1 and 4, a connection device for a shell-and-tube heat exchanger comprises a tube plate A1 and a tube plate B2, wherein an outer ring a11 and an inner ring a12 are arranged on the tube plate A1, an outer ring B21 and an inner ring B22 are arranged on the tube plate B2, the outer ring a11 of the tube plate A1 is attached to the outer ring B21 of the tube plate B2, and the inner ring a12 of the tube plate A1 is attached to the inner ring B22 of the tube plate B2.
The outer ring A11 and the inner ring A12 of the tube plate A1 are hollow cylinders, one end of the outer ring A11 is welded with the tube plate A1, the other end of the outer ring A11 extends out of the tube plate A1 to be arranged in a suspending mode, one end of the inner ring A12 is welded with the tube plate A1, the other end of the inner ring A12 extends out of the tube plate A1 to be arranged in a suspending mode, and the outer ring A11 and the inner ring A12 are concentric.
The outer diameter of the outer ring B21 of the tube plate B2 is smaller than the inner diameter of the outer ring A11 of the tube plate A1, a gasket B4 is arranged between the outer ring B21 of the tube plate B2 and the end face of the tube plate A1, the outer diameter of the inner ring B22 of the tube plate B2 is smaller than the outer diameter of the inner ring A12 of the tube plate A1, and a gasket B4 is also arranged between the inner ring B22 of the tube plate B2 and the end face of the tube plate A1.
Example 3 a gasket B is provided between the outer ring B of the tube sheet B and the end face of the tube sheet a, and a gasket B is provided between the inner ring B of the tube sheet B and the end face of the tube sheet a to achieve sealing, wherein the gasket B is a hollow cylindrical shape, preferably the gasket B is a metal graphite wound gasket.
Referring to fig. 5, a through hole a is arranged on a tube plate a in a penetrating manner, the through hole a is arranged at the center of an inner ring a of the tube plate a, one end of a through hole a of the tube plate B is provided with a heat exchange tube 5, the upper part of the tube plate a is provided with a through hole B in a penetrating manner, the through hole B of the tube plate B is arranged between the inner ring a and an outer ring a of the tube plate a, and one end of the through hole B of the tube plate B is provided with another heat exchange tube B6.
The tube plate B is provided with a through hole C in a penetrating mode, the through hole C is arranged in the center of an inner ring B of the tube plate B, one end of the through hole C of the tube plate B is also provided with a heat exchange tube A, the tube plate B is provided with a through hole D in a penetrating mode, the through hole D of the tube plate B is arranged between the inner ring B and an outer ring B of the tube plate B, and one end of the through hole D of the tube plate B is also provided with the heat exchange tube B.
The medium in the heat exchange tube A is filled between the inner rings A of the tube plates A, and the medium in the heat exchange tube B is filled between the inner rings B and the outer rings B of the tube plates B.
The separation of the two media is achieved by the inner ring a of the tube sheet a. Wherein shell 7 is arranged on tube plate A, replacement heat pipe A is arranged in the shell, shell is arranged on tube plate B, and heat exchange pipe B is arranged in the shell.
The technical features of the present utility model that are not described in the present utility model may be implemented by or using the prior art, and are not described in detail herein, but the above description is not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be within the scope of the present utility model by those skilled in the art.
Claims (6)
1. The utility model provides a connecting device for shell-and-tube heat exchanger, includes tube sheet A (1) and tube sheet B (2), its characterized in that, be provided with outer loop A (11) and interior ring A (12) on tube sheet A (1), be provided with outer loop B (21) and interior ring B (22) on tube sheet B (2), tube sheet A (1) outer loop A (11) with tube sheet B (2) outer loop B (21) laminating, tube sheet A (1) interior ring A (12) with tube sheet B (2) inner ring B (22) laminating.
2. The connection device for a shell-and-tube heat exchanger according to claim 1, wherein the outer ring a (11) and the inner ring a (12) of the tube plate a (1) are hollow cylinders, one end of the outer ring a (11) is welded with the tube plate a (1), the other end of the outer ring a protrudes out of the tube plate a (1) to be suspended, one end of the inner ring a (12) is welded with the tube plate a (1), the other end of the inner ring a (12) protrudes out of the tube plate a (1) to be suspended, and the outer ring a (11) is concentric with the inner ring a (12).
3. The connection device for a shell-and-tube heat exchanger according to claim 2, wherein the outer ring B (21) and the inner ring B (22) of the tube sheet B (2) are hollow conical, the outer conical surface of the outer ring B (21) is attached to the inner side surface of the outer ring a (11) of the tube sheet a (1), and the outer conical surface of the inner ring B (22) is attached to the inner side surface of the inner ring a (12) of the tube sheet a (1).
4. The connection device for the shell-and-tube heat exchanger according to claim 2, wherein the outer ring B (21) of the tube plate B (2) is hollow and cylindrical, the outer side surface of the outer ring B (21) of the tube plate B (2) is attached to the inner side surface of the outer ring a (11) of the tube plate a (1), a gasket (3) is arranged at the attachment position, the inner ring B (22) of the tube plate B (2) is hollow and cylindrical, the outer side surface of the inner ring B (22) of the tube plate B (2) is attached to the inner side surface of the inner ring a (12) of the tube plate a (1), and the gasket (3) is also arranged at the attachment position.
5. The connection device for a shell-and-tube heat exchanger according to claim 2, characterized in that the outer diameter of the outer ring B (21) of the tube plate B (2) is smaller than the inner diameter of the outer ring a (11) of the tube plate a (1), a gasket B (4) is arranged between the outer ring B (21) of the tube plate B (2) and the end face of the tube plate a (1), the outer diameter of the inner ring B (22) of the tube plate B (2) is smaller than the outer diameter of the inner ring a (12) of the tube plate a (1), and a gasket B (4) is also arranged between the inner ring B (22) of the tube plate B (2) and the end face of the tube plate a (1).
6. The connection device for a shell and tube heat exchanger according to claim 4 or 5, wherein the gasket a and the gasket B are hollow cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320400476.9U CN219693976U (en) | 2023-02-28 | 2023-02-28 | Connecting device for shell-and-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320400476.9U CN219693976U (en) | 2023-02-28 | 2023-02-28 | Connecting device for shell-and-tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219693976U true CN219693976U (en) | 2023-09-15 |
Family
ID=87941425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320400476.9U Active CN219693976U (en) | 2023-02-28 | 2023-02-28 | Connecting device for shell-and-tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219693976U (en) |
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2023
- 2023-02-28 CN CN202320400476.9U patent/CN219693976U/en active Active
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