CN215063944U - Novel-structure plate-fin heat exchanger core - Google Patents

Abstract

The utility model discloses a new construction plate-fin heat exchanger core, including apron, baffle, short strip of paper used for sealing, outer fin, long strip of paper used for sealing, inner fin, interior passageway, outer passageway, one side surface of apron is provided with the baffle, one side of baffle is provided with the short strip of paper used for sealing, the lower extreme surface of short strip of paper used for sealing is provided with outer fin, one side of outer fin is provided with inner fin, inner fin's both sides all are provided with long strip of paper used for sealing. A new construction plate fin heat exchanger core, the baffle tow sides have the combined material that is used for brazing, when brazing, high temperature makes the combined material melt, and the cooling makes the combined material solidify again, makes each part braze together, and the short strip of paper used for sealing on this core structure extension outside four corners increases the area of contact of short strip of paper used for sealing and baffle, in the alternation warp, gives apron and the baffle in the outside and supports, improves life, can not collapse when making braze, brings better use prospect.

Description

Novel-structure plate-fin heat exchanger core

Technical Field

The utility model relates to a heat exchanger technical field specifically is a new construction plate-fin heat exchanger core.

Background

The heat exchanger is an energy-saving device for transferring heat between materials between two or more fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to make the temperature of the fluid reach the index specified by the process so as to meet the requirements of process conditions, and is also one of main devices for improving the utilization rate of energy.

The existing heat exchanger core has the following problems: the rigidity of the cover plate and the partition plate can be reduced when the existing heat exchanger core is brazed at high temperature, and if the length difference between two adjacent layers of long sealing strips is large, the upper layer of long sealing strip is longer than the lower layer of long sealing strip, and the long sealing strip collapses due to the influence of gravity, so that the existing heat exchanger core is poor in brazing and short in service life.

The core body of the plate-fin heat exchanger with the new structure is provided for overcoming the defects.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a new construction plate fin heat exchanger core possesses long service life, and processing advantage such as exquisite can effectively solve the problem among the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a new construction plate fin heat exchanger core, includes apron, baffle, short strip of paper used for sealing, outer fin, long strip of paper used for sealing, inner fin, interior passageway, outer passageway, one side surface of apron is provided with the baffle, one side of baffle is provided with the short strip of paper used for sealing, the lower extreme surface of short strip of paper used for sealing is provided with outer fin, one side of outer fin is provided with inner fin, inner fin's both sides all are provided with long strip of paper used for sealing.

Preferably, a fixing adhesive is arranged between the cover plate and the partition plate, the outer surface of one side of the cover plate is fixedly connected with the outer surface of one side of the partition plate through the fixing adhesive, a fixing clamping groove is arranged between the short sealing strip and the outer fin, and the outer surface of one side of the short sealing strip is fixedly connected with the outer surface of one side of the outer fin through the fixing clamping groove.

Preferably, a strong glue is arranged between the partition board and the short seal strip, and the outer surface of the other side of the partition board is fixedly connected with the outer surface of the other side of the short seal strip through the strong glue.

Preferably, a welding block is arranged between the long seal and the inner fin, and the outer surface of one side of the long seal is fixedly connected with the outer surface of one side of the inner fin through the welding block.

Preferably, an adhesive is arranged between the outer fin and the inner fin, and the outer surface of the rear end of the outer fin is fixedly connected with the outer surface of the front end of the inner fin through the adhesive.

Preferably, the cover plate, the partition plate, the short seal, the outer fin, the long seal and the inner fin form a group to form a plurality of inner channels and outer channels, and the inner channels and the outer channels form an angle of 90 degrees.

(III) advantageous effects

Compared with the prior art, the utility model provides a new construction plate-fin heat exchanger core possesses following beneficial effect:

the core body of the plate-fin heat exchanger with the new structure is characterized in that the front side and the back side of the partition plate are provided with composite materials for brazing, when brazing is carried out, the composite materials are melted at high temperature, then the temperature is reduced to solidify the composite materials, parts are brazed together, when the core body works, because the inner channel passes through a high-temperature medium and the outer channel passes through a low-temperature medium, the core body can expand and contract alternately along the direction shown in the drawing, the deformation of the partition plate on the outermost side is the largest, the brazing part of the short seal strips and the partition plate on the outermost side fails first in continuous alternating deformation, the core body structure lengthens the short seal strips on the four corners of the outermost side to increase the contact area of the short seal strips and the partition plate, and in alternating deformation, the cover plate and the partition plate on the outermost side are supported to improve the service life, meanwhile, the long seal strips on the four corners are increased in a stepped manner, when brazing, the core body is placed in the direction shown in the drawing, and during high-temperature brazing, the rigidity of the cover plate and the partition plate can be reduced, if adjacent two-layer long strip of paper used for sealing length difference is great, then the long strip of paper used for sealing of upper strata is longer than the influence of the long strip of paper used for sealing department of lower floor because gravity can collapse, leads to brazing badly, and the adjacent long strip of paper used for sealing of notch cuttype growth can share the influence of the long strip of paper used for sealing gravity of upper strata, can not collapse when making brazing.

Drawings

Fig. 1 is the overall structure schematic diagram of the new structure plate-fin heat exchanger core of the present invention.

Fig. 2 is the expansion direction schematic diagram of the new structure plate-fin heat exchanger core of the present invention.

Fig. 3 is a schematic view of the direction of the new-structure plate-fin heat exchanger core during brazing.

In the figure: 1. a cover plate; 2. a partition plate; 3. a short seal; 4. an outer fin; 5. a long seal; 6. an inner fin; 7. an inner channel; 8. an outer channel.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 first embodiment is as follows:

as shown in fig. 1-3, a new structure plate-fin heat exchanger core comprises a cover plate 1, a partition plate 2, a short seal 3, an outer fin 4, a long seal 5, an inner fin 6, an inner channel 7, and an outer channel 8, wherein the partition plate 2 is arranged on the outer surface of one side of the cover plate 1, the short seal 3 is arranged on one side of the partition plate 2, the outer fin 4 is arranged on the outer surface of the lower end of the short seal 3, the inner fin 6 is arranged on one side of the outer fin 4, and the long seal 5 is arranged on both sides of the inner fin 6, when the core works, because the inner channel passes through a high-temperature medium and the outer channel passes through a low-temperature medium, the core body can expand and contract alternately along the direction shown in the figure, the deformation of the partition plate on the outermost side is the largest, in continuous alternating deformation, the brazing position between the outermost side short seal and the partition plate can fail first, the core body structure lengthens the short seals on the outermost sides to increase the contact area between the short seal and the partition plate, in the alternating deformation, the cover plate and the clapboard at the outermost side are supported, so that the service life is prolonged.

The second embodiment is as follows:

on the basis of the first embodiment, as shown in fig. 2-3, a fixing adhesive is disposed between the cover plate 1 and the partition plate 2, and an outer surface of one side of the cover plate 1 is fixedly connected with an outer surface of one side of the partition plate 2 through the fixing adhesive, a fixing clamping groove is disposed between the short sealing strip 3 and the outer fin 4, an outer surface of one side of the short sealing strip 3 is fixedly connected with an outer surface of one side of the outer fin 4 through the fixing clamping groove, a strong adhesive is disposed between the partition plate 2 and the short sealing strip 3, an outer surface of the other side of the partition plate 2 is fixedly connected with an outer surface of the other side of the short sealing strip 3 through the strong adhesive, a welding block is disposed between the long sealing strip 5 and the inner fin 6, an outer surface of one side of the long sealing strip 5 is fixedly connected with an outer surface of one side of the inner fin 6 through the welding block, an adhesive is disposed between the outer fin 4 and the inner fin 6, and an outer surface of a rear end of the outer fin 4 is fixedly connected with an outer surface of a front end of the inner fin 6 through the adhesive, apron 1, baffle 2, short strip of paper used for sealing 3, outer fin 4, long strip of paper used for sealing 5 and interior fin 6 are a set of, constitute a plurality of interior passageways 7 and outer passageway 8, and interior passageway 7 forms the angle of 90 degrees with outer passageway 8, and the adjacent long strip of paper used for sealing that the notch cuttype increases can share the influence of the long strip of paper used for sealing gravity of upper strata, can not collapse when making to braze.

Principle of operation

The utility model comprises a cover plate 1, a baffle plate 2, a short seal 3, an outer fin 4, a long seal 5, an inner fin 6, an inner channel 7 and an outer channel 8, the front and back sides of the baffle plate 2 are provided with a composite material for brazing, when brazing, the composite material is melted by high temperature, and then the composite material is solidified by cooling, so that all parts are brazed together, when the core works, as the inner channel 7 passes through a high temperature medium, the outer channel 8 passes through a low temperature medium, the core can expand and contract along the direction shown in the figure in an alternating way, the deformation of the baffle plate 2 at the outermost side is the largest, in continuous alternating deformation, the brazing part of the short seal 3 and the baffle plate 2 at the outermost side can fail first, the core structure lengthens the short seal 3 at the four corners at the outermost side, the contact area of the short seal 3 and the baffle plate 2 is increased, in the alternating deformation, the cover plate 1 and the baffle plate 2 at the outermost side are supported, the service life is prolonged, long strip of paper used for sealing 5 on four angles is the notch cuttype simultaneously and increases, when brazing, the core is put the direction as shown in the figure, when high temperature brazing, the rigidity of apron 1 and baffle 2 can reduce, if adjacent two-layer long strip of paper used for sealing 5 length difference is great, then the long strip of paper used for sealing 5 of upper strata is longer than the long strip of paper used for sealing 5 of lower floor and can be collapsed because the influence of gravity, lead to brazing badly, the influence of the 5 gravity of upper strata long strip of paper used for sealing 5 can be shared to adjacent long strip of paper used for sealing 5 that the notch cuttype increases, can not collapse when making brazing.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a new construction plate-fin heat exchanger core, includes apron (1), baffle (2), short strip of paper used for sealing (3), outer fin (4), long strip of paper used for sealing (5), inner fin (6), interior passageway (7), outer passageway (8), its characterized in that: the outer surface of one side of apron (1) is provided with baffle (2), one side of baffle (2) is provided with strip seal (3), the lower extreme surface of strip seal (3) is provided with outer fin (4), one side of outer fin (4) is provided with interior fin (6), the both sides of interior fin (6) all are provided with long strip seal (5).

2. The new structural plate fin heat exchanger core as claimed in claim 1, wherein: be provided with the fixed glue between apron (1) and baffle (2), and the one side surface of apron (1) is connected through the fixed glue and one side surface fixed connection of baffle (2), be provided with fixed slot between short strip of paper used for sealing (3) and outer fin (4), and one side surface fixed connection of one side surface of short strip of paper used for sealing (3) through fixed slot and outer fin (4).

3. The new structural plate fin heat exchanger core as claimed in claim 1, wherein: a strong glue is arranged between the partition board (2) and the short seal (3), and the outer surface of the other side of the partition board (2) is fixedly connected with the outer surface of the other side of the short seal (3) through the strong glue.

4. The new structural plate fin heat exchanger core as claimed in claim 1, wherein: and a welding block is arranged between the long seal (5) and the inner fin (6), and the outer surface of one side of the long seal (5) is fixedly connected with the outer surface of one side of the inner fin (6) through the welding block.

5. The new structural plate fin heat exchanger core as claimed in claim 1, wherein: and an adhesive is arranged between the outer fin (4) and the inner fin (6), and the outer surface of the rear end of the outer fin (4) is fixedly connected with the outer surface of the front end of the inner fin (6) through the adhesive.

6. The new structural plate fin heat exchanger core as claimed in claim 1, wherein: apron (1), baffle (2), short strip of paper used for sealing (3), outer fin (4), long strip of paper used for sealing (5) and interior fin (6) are a set of, constitute a plurality of interior passageways (7) and outer passageway (8), interior passageway (7) form the angle of 90 degrees with outer passageway (8).

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