CN210689292U

CN210689292U - Heat exchanger core structure

Info

Publication number: CN210689292U
Application number: CN201921441117.8U
Authority: CN
Inventors: 戴进
Original assignee: Jiangsu Batong Heat Exchange Equipment Co Ltd
Current assignee: Jiangsu Batong Heat Exchange Equipment Co Ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-06-05
Anticipated expiration: 2029-09-02

Abstract

The utility model relates to a heat exchanger core technical field specifically is a heat exchanger core structure, including fin, baffle and strip of paper used for sealing, there is the runner between strip of paper used for sealing and the baffle, still include the framework, the framework sets up between the both ends of runner, a lateral wall and the strip of paper used for sealing welding of framework, another lateral wall fixed surface of framework is connected with the sealing strip, the seal groove has been seted up on the lateral wall surface that baffle and strip of paper used for sealing are located the runner both ends, the sealing strip cooperatees with the seal groove, the fin is strengthened to the inside fixedly connected with multiunit of framework, strengthen having outer runner between fin and the framework, be located each of runner entrance fixedly connected with filter screen between the inside wall of strengthening.

Description

Heat exchanger core structure

Technical Field

The utility model relates to a heat exchanger core technical field specifically is a heat exchanger core structure.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called as a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production.

The plate-fin heat exchanger is a heat exchanger taking fins as heat transfer elements, has the characteristics of high heat transfer efficiency, compact structure, light weight, small volume and the like, and is widely applied to multiple fields of engineering machinery, air compressors, hydraulic systems, electric power systems, rail transit systems, air separation equipment, food, medicines, chemical engineering and the like. The specific structural form of the plate-fin heat exchanger is many, and the most basic structural unit is a core unit.

The plate-fin heat exchanger is easy to cause blockage to increase pressure intensity due to the narrow flow channel, and the interior of the flow channel is not easy to clean, so that the requirement on a medium is high; and because the fin of the plate-fin heat exchanger is thinner, the bending deformation of the core body is larger after high-temperature brazing, the smooth circulation of the medium is influenced, the heat exchange performance of the heat exchange core body is reduced, and meanwhile, the assembly size generates errors, so that the assembly of the core body is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat exchanger core structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat exchanger core structure, includes fin, baffle and strip of paper used for sealing, there is the runner between strip of paper used for sealing and the baffle, still includes the framework, the framework sets up between the both ends of runner, a lateral wall and the strip of paper used for sealing welding of framework, another lateral wall fixed surface of framework is connected with the sealing strip, the sealing groove has been seted up on the lateral wall surface that baffle and strip of paper used for sealing are located the runner both ends, the sealing strip cooperatees with the sealing groove, the fin is strengthened to the inside fixedly connected with multiunit of framework, there is outer runner between strengthening fin and the framework, is located each of runner entrance fixedly connected with filter screen between strengthening the.

Preferably, the thickness of the reinforcing fin is greater than the thickness of the fin.

Preferably, the cross-sectional area of the outer flow passage is larger than the cross-sectional area of the flow passage.

Preferably, the sealing strip includes horizontal sealing strip and longitudinal sealing strip, horizontal sealing strip is located the lateral wall upper portion of framework, longitudinal sealing strip is located the lateral wall both ends of framework, both sides longitudinal sealing strip and horizontal sealing strip fixed connection.

Preferably, the lower end of the frame body is further provided with a bottom plate, a lateral sealing strip is fixedly connected to the surface of one side wall of the bottom plate, and clamping grooves are formed in two sides of the upper end of the lateral sealing strip.

Preferably, the transverse sealing strip is matched with a sealing groove on the side wall of the partition plate, and the longitudinal sealing strip is matched with a sealing groove on the side wall of the sealing strip.

Preferably, the upper end of the longitudinal sealing strip is provided with a clamping groove, the lower end of the longitudinal sealing strip is fixedly connected with a clamping block, and the clamping groove is matched with the clamping block.

Preferably, the partition is connected with the sealing groove on the side wall of the seal adjacent to the partition.

Preferably, the cross section of the outer flow passage is triangular.

Compared with the prior art, the beneficial effects of the utility model are that:

1) this heat exchanger core structure through set up the filter screen in the framework, can filter the medium that gets into the runner, prevents to take place to block up in the runner, reduces impurity in the medium, has slowed down the scale deposit phenomenon of runner.

2) This heat exchanger core structure through sealing strip and seal groove with framework and baffle and strip of paper used for sealing connection mutually, the dismantlement of the framework of being convenient for, conveniently washs the filter screen, the framework uses non-welded connected mode with the runner both sides, has avoided the core that the core directly brazes the production with the strip of paper used for sealing of both sides high temperature to warp.

3) This heat exchanger core structure through set up the enhancement fin in the framework, has played the supporting role, can strengthen the structural strength after the core high temperature braze welding, prevents that the core from warping, and the installation of being convenient for has guaranteed that the medium circulation in the runner is smooth and easy simultaneously.

Drawings

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

Fig. 1 is a perspective view of the frame body of the present invention;

fig. 2 is a schematic structural view of the frame body of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

FIG. 4 is a schematic view of the combination of the frame body and the bottom plate of the present invention;

FIG. 5 is a schematic view of the combination of the fin, the partition and the seal of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

the structure comprises fins 1, partition plates 2, sealing strips 3, a frame 4, sealing strips 5, sealing grooves 6, reinforcing fins 7, a filter screen 8, a flow channel 9, an outer flow channel 10, transverse sealing strips 11, longitudinal sealing strips 12, clamping grooves 13, clamping blocks 14 and a bottom plate 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a heat exchanger core structure comprises fins 1, a partition plate 2 and a seal 3, wherein a flow channel 9 is arranged between the seal 3 and the partition plate 2, the heat exchanger also comprises a frame body 4, the frame body 4 is arranged between two ends of the flow channel 9, one side wall of the frame body 4 is welded with the seal 3, the surface of the other side wall of the frame body 4 is fixedly connected with a seal 5, the surfaces of the side walls of the partition plate 2 and the seal 3, which are positioned at the two ends of the flow channel 9, are provided with seal grooves 6, the seal 5 is matched with the seal grooves 6, the frame body 4 is hermetically connected with the partition plate 2 and the side wall of the seal 3 through the seal 5 and the seal grooves 6, the frame body 4 is convenient to disassemble and clean a filter screen 8, the frame body 4 and the two sides of the flow channel 9 are connected in a non-welding mode, the core deformation caused by high-temperature brazing of the core, through set up enhancement fin 7 in framework 4, the supporting role has been played, can strengthen the structural strength after the core high temperature brazing, prevent that the core from warping, the installation of being convenient for, it is smooth and easy to have guaranteed the medium circulation in runner 9 simultaneously, fixedly connected with filter screen 8 between the inside wall of 7 and framework 4 of each enhancement fin that is located runner 9 entrance, through set up filter screen 8 in framework 4, can filter the medium that gets into runner 9, prevent to take place to block up in the runner 9, reduce impurity in the medium, the scale deposit phenomenon of runner 9 has been slowed down.

Wherein, the thickness of strengthening fin 7 is greater than the thickness of fin 1, guarantees to strengthen the intensity of fin 7.

The cross section area of the outer flow passage 10 is larger than that of the flow passage 9, so that smooth circulation of the medium in the outer flow passage 10 is ensured.

The sealing strip 5 comprises a transverse sealing strip 11 and a longitudinal sealing strip 12, the transverse sealing strip 11 is located at the upper part of the side wall of the frame body 4, the longitudinal sealing strip 12 is located at two ends of the side wall of the frame body 4, and the longitudinal sealing strips 12 at two sides are fixedly connected with the transverse sealing strips 11.

The lower end of the frame body 4 is further provided with a bottom plate 15, a lateral sealing strip 11 is fixedly connected to the surface of one side wall of the bottom plate 15, clamping grooves 13 are formed in two sides of the upper end of the lateral sealing strip 11, and the lateral sealing strip 11 on the bottom plate 15 is connected with a longitudinal sealing strip 12 at the upper end in a sealing mode through the clamping grooves 13.

Wherein, the transverse sealing strip 11 is matched with the sealing groove 6 positioned on the side wall of the partition board 2, and the longitudinal sealing strip 12 is matched with the sealing groove 6 positioned on the side wall of the sealing strip 3.

The clamping groove 13 is formed in the upper end of the longitudinal sealing strip 12, the clamping block 14 is fixedly connected to the lower end of the longitudinal sealing strip 12, the clamping groove 13 is matched with the clamping block 14, and the clamping groove 13 and the clamping block 14 enable the longitudinal sealing strips on the adjacent frame bodies 4 to be connected in a sealing mode.

The partition board 2 is connected with a sealing groove 6 on the side wall of the seal 3 adjacent to the partition board, so that the combined frame body 4 and the sealing strip 5 on the surface of the bottom plate 15 are matched with the sealing groove 6.

The cross section of the outer runner 10 is triangular, so that the stability of the outer runner 10 is improved, and the structural strength of the frame body 4 is ensured.

The specific working principle is as follows:

when the heat exchanger core structure is installed, one side wall of a frame body 4 and a seal 3 are brazed, the frame bodies 4 are connected by brazing according to the core layer array and each frame body 4, and the other side wall of the frame body 4 is hermetically connected in a seal groove 6 on the surfaces of a partition plate 2 and the seal 3 through a seal strip 5; when the device works, a fluid medium flows into or out of the flow channel 9 through the outer flow channel 10, and when the fluid medium flows into the flow channel 9, the filter screen 8 in the outer flow channel 10 filters the fluid medium, so that blockage in the flow channel 9 is prevented, impurities in the medium are reduced, and the scaling phenomenon in the flow channel 9 can be relieved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A heat exchanger core structure comprises fins (1), a partition plate (2) and a seal (3), wherein a flow channel (9) is arranged between the seal (3) and the partition plate (2), characterized in that the device also comprises a frame body (4), the frame body (4) is arranged between two ends of the flow passage (9), one side wall of the frame body (4) is welded with the seal strip (3), the surface of the other side wall of the frame body (4) is fixedly connected with the seal strip (5), the surfaces of the side walls of the partition plate (2) and the seal (3) at the two ends of the flow passage (9) are provided with seal grooves (6), the sealing strip (5) is matched with the sealing groove (6), a plurality of groups of reinforcing fins (7) are fixedly connected inside the frame body (4), an outer flow channel (10) is arranged between the reinforcing fins (7) and the frame body (4), and a filter screen (8) is fixedly connected between each reinforcing fin (7) positioned at an inlet of the flow channel (9) and the inner side wall of the frame body (4).

2. A heat exchanger core structure according to claim 1, characterised in that the thickness of the reinforcing fins (7) is greater than the thickness of the fins (1).

3. A heat exchanger core structure according to claim 1, characterised in that the cross-sectional area of the outer flow channel (10) is larger than the cross-sectional area of the flow channel (9).

4. The heat exchanger core structure according to claim 1, wherein the sealing strips (5) comprise transverse sealing strips (11) and longitudinal sealing strips (12), the transverse sealing strips (11) are located at the upper parts of the side walls of the frame body (4), the longitudinal sealing strips (12) are located at two ends of the side walls of the frame body (4), and the longitudinal sealing strips (12) and the transverse sealing strips (11) at two sides are fixedly connected.

5. The heat exchanger core structure according to claim 4, wherein a bottom plate (15) is further arranged at the lower end of the frame body (4), a transverse sealing strip (11) is also fixedly connected to the surface of one side wall of the bottom plate (15), and clamping grooves (13) are formed in two sides of the upper end of the transverse sealing strip (11).

6. A heat exchanger core structure according to claim 5, characterized in that the transverse sealing strip (11) is fitted in a sealing groove (6) in the side wall of the partition (2), and the longitudinal sealing strip (12) is fitted in a sealing groove (6) in the side wall of the sealing strip (3).

7. The heat exchanger core structure according to claim 5, wherein a clamping groove (13) is formed in the upper end of the longitudinal sealing strip (12), a clamping block (14) is fixedly connected to the lower end of the longitudinal sealing strip (12), and the clamping groove (13) is matched with the clamping block (14).

8. A heat exchanger core structure according to claim 1, characterized in that the partition (2) is connected with the sealing groove (6) on the side wall of the seal (3) adjacent thereto.

9. A heat exchanger core structure according to claim 1, wherein the cross-section of the outer flow channel (10) is triangular.