CN215491222U - Combined type heat exchanger - Google Patents

Abstract

The utility model relates to the technical field of heat exchangers, in particular to a combined type heat exchanger which comprises a fin plate assembly and a reinforced core body assembly, wherein the fin plate assembly comprises a plurality of fin plates, each fin plate comprises a fin and a seal, the seals are arranged on two sides of each fin, and fin grooves are formed in the fins; the reinforcing core body assembly comprises a plurality of reinforcing core bodies, second flow channels are arranged in the reinforcing core bodies, the fin plate assembly and the reinforcing core body assembly are alternately stacked, two sides of fin grooves are connected with the reinforcing core bodies to form first flow channels, the first flow channels are suitable for circulating low-pressure media, and the second flow channels are suitable for circulating high-pressure media. The pressure bearing performance of the reinforced core body is superior to that of a fin plate, so that a high-pressure medium flows in the second flow channel, a low-pressure medium flows in the first flow channel on the fin, heat exchange between the low-pressure medium and the high-pressure medium is realized, and the reinforced core body is particularly suitable for heat exchange between a gaseous medium and a liquid medium.

Description

Combined type heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a combined type heat exchanger.

Background

The plate-fin heat exchanger and the printed circuit plate heat exchanger are two types of heat exchangers commonly used at present and have advantages and disadvantages respectively. The plate-fin heat exchanger is generally composed of side plates, partition plates, fins and seals. An interlayer composed of fins, flow deflectors and sealing strips is arranged between two adjacent partition plates and is called a channel, the interlayer is overlapped according to different fluid modes and welded into a whole to form a plate bundle, and the plate bundle is the core of the plate-fin heat exchanger. The existing plate-fin heat exchanger has limited pressure bearing capacity and has limitation on heat exchange between media with higher pressure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a composite heat exchanger, which aims to solve the problem that the pressure bearing performance of a plate-fin heat exchanger in the prior art is insufficient.

The technical scheme of the utility model is as follows:

a combined type heat exchanger comprises a fin plate assembly and a reinforced core body assembly, wherein the fin plate assembly comprises a plurality of fin plates, each fin plate comprises a fin and sealing strips, the sealing strips are arranged on two sides of each fin, and fin grooves are formed in the fins; the reinforcing core body assembly comprises a plurality of reinforcing core bodies, second flow channels are arranged in the reinforcing core bodies, the fin plate assemblies and the reinforcing core body assemblies are alternately stacked, two sides of the fin grooves are connected with the reinforcing core bodies to form first flow channels, the first flow channels are suitable for flowing low-pressure media, and the second flow channels are suitable for flowing high-pressure media.

Preferably, the reinforcing core comprises: the high-pressure medium distribution device comprises a first plate and a second plate, wherein a first channel suitable for circulating the high-pressure medium is arranged on the first plate, and the first channel and the second plate form a second flow channel.

Preferably, a second channel suitable for flowing the high-pressure medium is arranged on the second plate, and the first channel and the second channel form the second flow channel.

Preferably, one side of the second plate close to the first channel is a first plane, and the first channel and the first plane form the second flow channel.

Preferably, the reinforcing core body comprises third plates and hollow parts, the hollow parts are provided with cavities arranged at intervals, and the two third plates are arranged on two sides of the hollow parts and form the second flow channel together with the cavities.

Preferably, the reinforcing core comprises a plurality of fourth plates, one side of each fourth plate is provided with a third channel, the other side of each fourth plate is provided with a second plane, and the third channel and the second plane form the second flow channel between two adjacent fourth plates.

Preferably, the fin plate assembly includes a plurality of fin plates, and the reinforcing core assembly includes a reinforcing core.

Preferably, the fin plate assembly includes a fin plate, and the reinforcing core assembly includes a plurality of reinforcing cores.

Preferably, the combined type heat exchanger further comprises packaging side plates, wherein the packaging side plates form a packaging space, the fin plates and the reinforcing cores are alternately stacked in the packaging space, and the inner walls of the packaging side plates are connected with the fin plates.

The technical scheme of the utility model has the following advantages:

1. the fin plate of the combined heat exchanger comprises fins, sealing strips and packaging side plates, wherein the sealing strips are arranged on two sides of the fins, and first flow passages are formed in the fins; the reinforcing core body is internally provided with a second flow channel, the fin plates and the reinforcing core body are alternately stacked, the first flow channel is suitable for circulating a low-pressure medium, and the second flow channel is suitable for circulating a high-pressure medium.

The pressure bearing performance of the reinforced core body is superior to that of a fin plate, so that a high-pressure medium flows in the second flow channel, a low-pressure medium flows in the first flow channel on the fin, heat exchange between the low-pressure medium and the high-pressure medium is realized, and the reinforced core body is particularly suitable for heat exchange between a gaseous medium and a liquid medium.

2. According to the composite heat exchanger, the two packaging side plates form a packaging space, the fin plates and the reinforcing core bodies are alternately stacked in the packaging space, and the inner walls of the two packaging side plates are connected with the fin plates. Through setting up the encapsulation sideboard, realize the encapsulation to the fin board that overlaps the setting in turn and strengthen the core.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of an exploded view of the composite heat exchanger of the present invention;

FIG. 2 is a schematic structural view of a first embodiment of a reinforcing core according to the present invention;

FIG. 3 is a schematic structural view of a second embodiment of a reinforcing core according to the present invention;

fig. 4 is a schematic structural view of a third embodiment of the reinforcing core according to the present invention.

Description of reference numerals:

1-a fin plate; 2-a fin; 3-seal; 4-fin slot; 5-a first sheet; 6-a second sheet; 7-a first channel; 8-a first plane; 9-a third plate; 10-a hollow part; 11-packaging the edge plate.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 4, the composite heat exchanger of this embodiment includes a fin plate assembly and a reinforcing core assembly, where the fin plate assembly includes a plurality of fin plates 1, the fin plates include fins 2 and seals 3, the seals 3 are disposed on two sides of the fins 2, and fin grooves 4 are disposed on the fins 2; the reinforcing core body assembly comprises a plurality of reinforcing core bodies, second flow channels are arranged in the reinforcing core bodies, the fin plate assemblies and the reinforcing core body assemblies are alternately stacked, two sides of the fin grooves 4 are connected with the reinforcing core bodies to form first flow channels, the first flow channels are suitable for flowing low-pressure media, and the second flow channels are suitable for flowing high-pressure media.

The pressure bearing performance of the reinforced core body is superior to that of the fin plate 1, so that a high-pressure medium flows in the second flow channel, a low-pressure medium flows in the first flow channel on the fin 2, heat exchange between the low-pressure medium and the high-pressure medium is realized, and the reinforced core body is particularly suitable for heat exchange between a gaseous medium and a liquid medium.

Two encapsulation sideboard 11 forms the encapsulation space, fin board 1 with strengthen the core and pile up in turn and locate in the encapsulation space, and two the inner wall of encapsulation sideboard 11 all with fin board 1 is connected, through setting up encapsulation sideboard 11, realizes the encapsulation to alternately overlapping the fin board 1 that sets up and strengthening the core.

The reinforcing core comprises a first plate 5 and a second plate 6, a first channel 7 suitable for flowing the high-pressure medium is arranged on the first plate 5, and the first channel 7 and the second plate 6 form the second flow channel.

Specifically, one side of the second plate 6 close to the first channel 7 is a first plane 8, and the first channel 7 and the first plane 8 form the second flow channel. When processing, process earlier the enhancement core, specifically, weld second slab 6 and first slab 5 earlier to guarantee to strengthen the whole bearing capacity of core, weld fin plate and enhancement core again, guarantee this combined type heat exchanger's structurality.

As a second embodiment of the reinforcing core, a second channel adapted to flow the high-pressure medium is provided on the second plate 6, and the first channel 7 and the second channel form the second flow channel.

As a third embodiment of the reinforcing core, the reinforcing core includes: the two third plates 9 are arranged on two sides of the hollow part 10, and form the second flow channel together with the cavity.

In the composite heat exchanger of the embodiment, the fin plate assembly is configured to include a fin plate, the reinforced core assembly includes a reinforced core, and one fin plate and one reinforced core are alternately overlapped.

As an alternative embodiment, the fin plate assembly may be configured to include a plurality of fin plates during processing, the reinforcing core assembly including a reinforcing core; the finned plate assembly may also be configured to include a finned plate, the reinforced core assembly including a plurality of reinforced cores.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.

Claims (9)

1. A compound heat exchanger, comprising:

the fin plate assembly comprises a plurality of fin plates (1), the fin plates (1) comprise fins (2) and sealing strips (3), the sealing strips (3) are arranged on two sides of the fins (2), and fin grooves (4) are formed in the fins (2);

the reinforcing core body assembly comprises a plurality of reinforcing core bodies, second flow channels are arranged in the reinforcing core bodies, the fin plate assemblies and the reinforcing core body assemblies are alternately stacked, two sides of the fin grooves (4) are connected with the reinforcing core bodies to form first flow channels, the first flow channels are suitable for flowing low-pressure media, and the second flow channels are suitable for flowing high-pressure media.

2. The composite heat exchanger of claim 1, wherein the reinforcing core comprises:

the high-pressure plate comprises a first plate (5) and a second plate (6), wherein a first channel (7) suitable for allowing the high-pressure medium to flow through is arranged on the first plate (5), and the first channel (7) and the second plate (6) form a second flow channel.

3. The compound heat exchanger according to claim 2, characterised in that the second plate (6) is provided with second channels adapted for the passage of the high pressure medium, the first channels (7) and the second channels forming the second flow channels.

4. The compound heat exchanger according to claim 2, characterised in that the side of the second plate (6) adjacent to the first channel (7) is a first plane (8), the first channel (7) and the first plane (8) forming the second flow channel.

5. The composite heat exchanger of claim 1, wherein the reinforcing core comprises:

the three-dimensional flow channel comprises third plates (9) and hollow parts (10), wherein the hollow parts are provided with cavities which are arranged at intervals, the two third plates (9) are arranged on two sides of the hollow parts (10), and the two third plates and the cavities form a second flow channel.

6. The compound heat exchanger of claim 1 wherein the reinforcing core comprises a plurality of fourth plates having a third channel on one side and a second planar surface on the other side, the third channel and the second planar surface forming the second flow channel between adjacent ones of the fourth plates.

7. The compound heat exchanger of claim 1, wherein the fin plate assembly comprises a plurality of fin plates (1), and the reinforcing core assembly comprises a reinforcing core.

8. The compound heat exchanger of claim 1, wherein the fin plate assembly comprises one fin plate (1), and the reinforcing core assembly comprises a plurality of reinforcing cores.

9. The compound heat exchanger according to any one of claims 1 to 8, further comprising a package side plate (11), wherein two of the package side plates (11) form a package space, the fin plates (1) and the reinforcing cores are alternately stacked in the package space, and the inner walls of the two package side plates (11) are connected to the fin plates (1).

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