CN214502204U

CN214502204U - Special-shaped seal strip for plate-fin heat exchanger

Info

Publication number: CN214502204U
Application number: CN202120794332.7U
Authority: CN
Inventors: 荣伟文
Original assignee: Wuxi Hengyu Aluminum Co ltd
Current assignee: Wuxi Hengyu Aluminum Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-10-26
Anticipated expiration: 2031-04-16

Abstract

The utility model relates to the technical field of heat exchanger parts, in particular to a special-shaped seal for a plate-fin heat exchanger, which comprises a seal main body, wherein the seal main body is in a long strip shape and extends horizontally; the upper surface and the lower surface of the seal main body are respectively provided with a plurality of mounting grooves; the cross section of the mounting groove is V-shaped; the extending direction of the mounting groove is the same as that of the seal main body; the mounting grooves on the upper surface of the seal main body are arranged side by side; the mounting grooves on the lower surface of the seal main body are arranged side by side; all the mounting grooves are arranged in an up-and-down symmetrical manner; the mounting groove is used for mounting a partition plate of the plate-fin heat exchanger. On one hand, the utility model, by arranging the mounting groove, greatly reduces the quality of the seal main body on the aspect of ensuring the mechanical strength of the seal main body; on the other hand, the mounting groove is arranged in a V shape, so that the thickness of the partition plate can be increased to a certain extent, the situations that the sealing strip and the partition plate are melted through and broken in the brazing process are reduced, and the safety performance of the plate-fin heat exchanger is ensured.

Description

Special-shaped seal strip for plate-fin heat exchanger

Technical Field

The utility model relates to a heat exchanger spare part technical field, concretely relates to plate-fin heat exchanger is with special-shaped strip of paper used for sealing.

Background

The plate-fin heat exchanger is a compact heat exchanger device and has the advantages of large heat exchange area and simple structure. The plate fin heat exchanger may be adapted to: gas-gas, gas-liquid, liquid-liquid, and the like. The arrangement and combination of the flow channels can be adapted to: different heat exchange working conditions such as counter flow, cross flow, multi-stream, multi-flow and the like. The heat exchange requirements of large-scale equipment can be met through the combination of series connection, parallel connection and series-parallel connection among the heat exchange units.

The plate-fin heat exchanger mainly comprises a plate-fin heat exchanger core body and an end enclosure, wherein the plate-fin heat exchanger core body mainly comprises a seal, a partition plate and fins. The sealing strip is used as an important part of the plate-fin heat exchanger, can play a role in sealing a heat medium channel and a refrigerant channel and also can provide a certain supporting strength for the fins.

The strip of paper used for sealing cross-section of common heat exchanger among the prior art all is the rectangle, and not only occupation space is big, weight is big, moreover in welding process, can produce huge thermal stress between strip of paper used for sealing and the baffle, very easily takes place to melt and wears and the cracked condition, influences the production of heat exchanger, even accomplish welding process smoothly, the strip of paper used for sealing also can remain very big welding stress with the contact surface of baffle, uses to bring huge hidden danger to the heat exchanger in the future.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a technical scheme does:

the utility model provides a special-shaped seal for a plate-fin heat exchanger, which comprises a seal main body, wherein the seal main body is in a long strip shape and extends horizontally; the upper surface and the lower surface of the seal main body are respectively provided with a plurality of mounting grooves; the cross section of the mounting groove is V-shaped; the extending direction of the mounting groove is the same as that of the seal main body; the mounting grooves on the upper surface of the seal main body are arranged side by side; the mounting grooves on the lower surface of the seal main body are arranged side by side; all the mounting grooves are arranged in an up-and-down symmetrical manner; the mounting groove is used for mounting a partition plate of the plate-fin heat exchanger.

Furthermore, clamping convex strips are symmetrically arranged on the left side groove wall and the right side groove wall of the mounting groove respectively; the clamping convex strips extend horizontally in a long strip shape and are the same as the mounting grooves in the extending direction.

Furthermore, the clamping convex strip and the mounting groove are of an integrated structure; the cross section of the clamping convex strip is arc-shaped.

Furthermore, a fillet is arranged at the bottom of the mounting groove; the mounting groove with the junction of strip of paper used for sealing main part is smooth transitional coupling.

Furthermore, the left side surface and the right side surface of the seal main body are respectively provided with a weight reduction groove; the two weight reduction grooves are arranged in a bilateral symmetry mode.

Furthermore, the cross section of the weight-reducing groove is arc-shaped; the connecting part of the weight-reducing groove and the seal main body is in smooth connection.

The utility model has the advantages of or beneficial effect:

the utility model provides a special-shaped seal for plate-fin heat exchanger, which comprises a seal main body, wherein the seal main body is in a long strip shape and extends horizontally; the upper surface and the lower surface of the seal main body are respectively provided with a plurality of mounting grooves; the cross section of the mounting groove is V-shaped; the extending direction of the mounting groove is the same as that of the seal main body; the mounting grooves on the upper surface of the seal main body are arranged side by side; the mounting grooves on the lower surface of the seal main body are arranged side by side; all the mounting grooves are arranged in an up-and-down symmetrical manner; the mounting groove is used for mounting a partition plate of the plate-fin heat exchanger. On one hand, the utility model, by arranging the mounting groove, greatly reduces the quality of the seal main body on the aspect of ensuring the mechanical strength of the seal main body; on the other hand, the mounting groove is arranged in a V shape, so that the thickness of the partition plate can be increased to a certain extent, the situations that the sealing strip and the partition plate are melted through and broken in the brazing process are reduced, and the use safety performance of the plate-fin heat exchanger is ensured.

Drawings

The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a front view of a special-shaped seal strip for a plate-fin heat exchanger provided in embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of a special-shaped seal strip for a plate-fin heat exchanger provided in embodiment 1 of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientation or positional relationship is based on that shown in the drawings, merely for convenience in describing the invention and simplifying the description, and does not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

In order to solve the above technical problems, the special-shaped seal for a plate-fin heat exchanger provided in this embodiment 1, as shown in fig. 1 to 2, includes a seal main body 1, where the seal main body 1 is in a long-strip shape and extends horizontally; the upper surface and the lower surface of the seal main body 1 are respectively provided with a plurality of mounting grooves 11; the cross section of the mounting groove 11 is V-shaped; the extending direction of the mounting groove 11 is the same as that of the seal main body 1; the mounting grooves 11 on the upper surface of the seal main body 1 are arranged side by side; the mounting grooves 11 on the lower surface of the seal main body 1 are arranged side by side; all the mounting grooves 11 are arranged up and down symmetrically; the mounting groove 11 is used for mounting a partition plate of the plate-fin heat exchanger. In this embodiment 1, a partition plate of the plate-fin heat exchanger is provided with two mounting portions adapted to the mounting grooves 11, and the two mounting grooves 11 are respectively formed on the upper surface and the lower surface of the seal main body 1, so that in this embodiment 1, on one hand, by providing the mounting grooves 11, the quality of the seal main body 1 is greatly reduced on the aspect of ensuring the mechanical strength of the seal main body 1; on the other hand mounting groove 11 sets to "V" shape, and the technical staff is when installation strip of paper used for sealing and baffle, through in installing the position card on the baffle goes into mounting groove 11, then welds, has replaced original direct technical scheme with the baffle welding on the strip of paper used for sealing, the thickness of the welding part that can increase the baffle to a certain extent of installing the setting of position reduces strip of paper used for sealing main part 1 and baffle and takes place to melt and wear and the cracked condition emergence at brazed in-process, has guaranteed plate fin heat exchanger's safety in utilization performance.

In order to improve the connection stability between the seal and the partition plate and facilitate the brazing work of technicians, in the special-shaped seal for the plate-fin heat exchanger provided in embodiment 1, as shown in fig. 1, clamping convex strips 12 are symmetrically arranged on the left and right side groove walls of the installation groove 11 respectively; the engaging protrusion 12 extends horizontally in a long shape and has the same extending direction as the mounting groove 11. The clamping convex strips 12 are arranged and can be matched and connected with the partition plate, so that the partition plate is clamped and fixed in the mounting groove 11, and on one hand, the partition plate can be prevented from moving when technicians weld the seal main body 1 and the partition plate, and the welding effect of the seal main body 1 and the partition plate is influenced; on the other hand, convenience can be provided for welding work of technicians.

In order to enhance the mechanical strength of the seal main body 1, in the special-shaped seal for a plate-fin heat exchanger provided in this embodiment 1, the engaging protruding strips 12 and the mounting groove 11 are in an integrated structure; the engaging protrusion 12 has an arc-shaped cross section. The integrated structure can improve the structural integrity of the seal main body 1, so that the strength of the structure is improved, and in addition, the integrated structure is simpler and is convenient to produce and manufacture; the arc-shaped clamping convex strip 12 can also improve the mechanical strength of the clamping convex strip 12, and the situation that the clamping convex strip 12 is damaged due to the influence of thermal stress in the welding process is avoided.

In order to further reduce the mass of the seal main body 1 and reduce the production cost of an enterprise, in the special-shaped seal for a plate-fin heat exchanger provided in this embodiment 1, as shown in fig. 1, weight-reducing grooves 13 are respectively formed in the left and right side surfaces of the seal main body 1; the two weight-reducing grooves 13 are arranged in bilateral symmetry. Through setting up subtract heavy groove 13, can reduce the consumptive material of strip of paper used for sealing main part 1 effectively, reduce the manufacturing cost of enterprise, two subtract heavy grooves 13 in addition and be the symmetrical overall structure performance that sets up and can further improve strip of paper used for sealing main part 1, improve the life of strip of paper used for sealing main part 1.

In order to further improve the mechanical strength of the seal main body 1 and enhance the overall structural performance of the seal main body 1, in the special-shaped seal for a plate-fin heat exchanger provided in this embodiment 1, a rounded corner is provided at the bottom of the installation groove 11; the connection part of the mounting groove 11 and the seal main body 1 is in smooth transition connection; the cross section of the weight-reducing groove 13 is arc-shaped; the junction of the lightening groove 13 and the seal main body 1 is in smooth connection. The groove bottom of the mounting groove 11 is set to be a rounded angle, so that the phenomenon that the groove bottom of the seal strip main body 1 and the partition plate are damaged due to the influence of internal stress in the welding process of the mounting groove 11 can be effectively avoided, the weight reduction groove 13 is arranged to be arc-shaped, the energy loss of fluid passing through the part can be reduced, and the heat exchange effect of the plate-fin heat exchanger is further improved.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. A special-shaped seal for a plate-fin heat exchanger is characterized by comprising a seal main body, wherein the seal main body extends horizontally in a long strip shape; the upper surface and the lower surface of the seal main body are respectively provided with a plurality of mounting grooves; the cross section of the mounting groove is V-shaped; the extending direction of the mounting groove is the same as that of the seal main body; the mounting grooves on the upper surface of the seal main body are arranged side by side; the mounting grooves on the lower surface of the seal main body are arranged side by side; all the mounting grooves are arranged in an up-and-down symmetrical manner; the mounting groove is used for mounting a partition plate of the plate-fin heat exchanger.

2. The profiled seal strip for a plate-fin heat exchanger as claimed in claim 1, wherein the left and right groove walls of the mounting groove are symmetrically provided with engaging protruding strips; the clamping convex strips extend horizontally in a long strip shape and are the same as the mounting grooves in the extending direction.

3. The profiled seal for a plate-fin heat exchanger according to claim 2, wherein the engaging protruding strip and the mounting groove are of an integral structure; the cross section of the clamping convex strip is arc-shaped.

4. The profiled seal for a plate-fin heat exchanger according to claim 1, wherein the bottom of the mounting groove is provided with a rounded corner; the mounting groove with the junction of strip of paper used for sealing main part is smooth transitional coupling.

5. The special-shaped seal for the plate-fin heat exchanger according to claim 1, wherein weight-reducing grooves are respectively formed in the left side surface and the right side surface of the seal body; the two weight reduction grooves are arranged in a bilateral symmetry mode.

6. The profiled seal for a plate-fin heat exchanger according to claim 5, wherein the cross section of the weight-reducing groove is arc-shaped; the connecting part of the weight-reducing groove and the seal main body is in smooth connection.