CN219390642U

CN219390642U - Baffling type three-period minimum curved surface heat exchanger

Info

Publication number: CN219390642U
Application number: CN202320852678.7U
Authority: CN
Inventors: 石鹏; 姚艳; 陈子民; 林斌; 盖梦豪; 苑振宇; 刘双凯
Original assignee: Huanghuai University
Current assignee: Huanghuai University
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-07-21
Anticipated expiration: 2033-04-17

Abstract

The utility model provides a minimum curved surface heat exchanger of baffling type three periods, includes integrated into one piece's casing and minimum curved surface structure of three periods, minimum curved surface structure of three periods is located the casing, casing both sides opening part be equipped with ascending cold fluid entry pipe and cold fluid outlet pipe, casing both ends are equipped with hot fluid entry pipe and hot fluid outlet pipe respectively, cold fluid entry, cold fluid outlet, hot fluid entry and hot fluid outlet department's casing are equipped with cold fluid entry baffle, cold fluid outlet baffle, hot fluid entry baffle and hot fluid outlet baffle respectively, minimum curved surface structure of three periods center is equipped with the baffle parallel with cold fluid entry baffle and cold fluid outlet baffle. The utility model has compact structure, increases the heat exchange area, ensures that the heat exchanger has higher heat exchange performance, greatly reduces the flow resistance and has good social and economic benefits.

Description

Baffling type three-period minimum curved surface heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a baffling type three-period heat exchanger with an extremely small curved surface.

Background

At present, the heat exchanger is widely applied to the industrial fields of aerospace, automobiles, chemical industry, food processing, energy power and the like. The common heat exchangers mainly comprise: shell-and-tube heat exchangers, plate-fin heat exchangers, tube-sheet heat exchangers, and the like. The traditional heat exchanger is limited by structural design technology and manufacturing process, and design and manufacturing limits exist, so that further improvement of heat exchange efficiency, flow resistance performance and other performances of the heat exchanger is limited, and further improvement and innovation of the structure and design of the traditional heat exchanger are needed, so that the heat exchange performance meets the design requirement.

Disclosure of Invention

Aiming at the situation, the utility model aims to overcome the defects of the prior art and provide the baffling type three-period heat exchanger with the extremely small curved surface, which can effectively solve the problem that the heat exchange performance of the prior heat exchanger can not meet the requirement.

In order to achieve the above purpose, the technical scheme of the utility model is that the baffling type three-period minimum curved surface heat exchanger comprises an integrally formed shell and a three-period minimum curved surface structure, wherein the three-period minimum curved surface structure is positioned in the shell, an upward cold fluid inlet pipe and an upward cold fluid outlet pipe are arranged at openings at two sides of the shell, a cold fluid inlet pipe and a hot fluid outlet pipe are respectively arranged at two ends of the shell, a cold fluid inlet baffle, a cold fluid outlet baffle, a hot fluid inlet baffle and a hot fluid outlet baffle are respectively arranged in the shells at the cold fluid inlet, the cold fluid outlet, the hot fluid inlet baffle and the hot fluid outlet, and a baffling plate parallel to the cold fluid inlet baffle and the cold fluid outlet baffle is arranged at the center of the three-period minimum curved surface structure.

The utility model has compact structure, increases the heat exchange area, ensures that the heat exchanger has higher heat exchange performance, greatly reduces the flow resistance and has good social and economic benefits.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

FIG. 2 is a schematic view of the internal baffle and baffle arrangement of the present utility model.

FIG. 3 is a schematic view of the internal fluid flow direction of the present utility model (XY cross-sectional view in FIG. 1).

Fig. 4 is a cross-sectional view taken in the XZ direction of fig. 1 in accordance with the present utility model.

Fig. 5 is a YZ cross-sectional view of fig. 1 in accordance with the present utility model.

Detailed Description

The following detailed description of specific embodiments of the utility model refers to the accompanying drawings and the detailed description.

Referring to the drawings, a baffling three-period minimum curved surface heat exchanger comprises a shell 3 and a three-period minimum curved surface structure 4 which are integrally formed, wherein the three-period minimum curved surface structure 4 is positioned in the shell 3, an upward cold fluid inlet pipe 21 and an upward cold fluid outlet pipe 22 are arranged at openings at two sides of the shell 3, a hot fluid inlet pipe 23 and a hot fluid outlet pipe 24 are respectively arranged at two ends of the shell 3, and a cold fluid inlet, a cold fluid outlet, a hot fluid inlet and a hot fluid outlet are respectively arranged in the shell 3 at the positions of the cold fluid inlet baffle 11, the cold fluid outlet baffle 12,

A hot fluid inlet baffle 13 and a hot fluid outlet baffle 14, and a baffle plate 15 parallel to the cold fluid inlet baffle 11 and the cold fluid outlet baffle 12 is arranged at the center of the three-period minimum curved surface structure 4.

In order to ensure better implementation effect, the three-period minimum curved surface structure 4 is formed by a plurality of three-period minimum curved surface unit cell structures through an array, and the three-period minimum curved surface unit cell structures are Gyroid curved surfaces.

The hollow parts of the cold fluid inlet baffle 11 and the cold fluid outlet baffle 12 are communicated with the cold fluid inlet and outlet of the three-period minimum curved surface structure 4, and the hollow parts of the hot fluid inlet baffle 13 and the hot fluid outlet baffle 14 are communicated with the hot fluid inlet and outlet of the three-period minimum curved surface structure 4.

When the utility model is specifically produced, the three-dimensional modeling is used for generating the initial configuration of the heat exchanger, the size and the position of the baffle plate and the baffle plate are determined according to the inlet and outlet positions of the cold fluid and the hot fluid, and the three-period minimum curved surface topological design is carried out on the core body area in the determined initial configuration so as to generate the TPMS wall surface. Combining the TPMS wall surface with the core area by using topology operation to generate a cold fluid area and a hot fluid area; the cold and hot fluid domains are combined with corresponding baffles, the baffles are hollowed out respectively with the corresponding cold and hot fluid inlet and outlet areas on the three-period minimum curved surface, and the overlapping parts are reserved, namely the cold and hot fluid inlet and outlet baffles. Combining the TPMS wall surface, the cold and hot fluid inlet and outlet baffles and the baffle plates 15 to form a core structure, and finally combining the core structure with the existing heat exchanger shell to form a heat exchanger configuration.

The three-period minimum curved surface structure 4 divides the internal space of the heat exchanger into two areas for circulating hot fluid and cold fluid, and simultaneously plugs the fluid at the two ends of an inlet and an outlet by using a baffle plate so as to realize the split flow of the cold fluid and the hot fluid; the area from the inlet end of the hot fluid to the transverse appointed length of the core body is a baffle plate area, and the baffle plate 15 is embedded in the three-period minimum curved surface structure 4 of the core body, so that the turning-back flow of the cold fluid is realized.

In the specific operation of the present utility model, as shown in fig. 3, the cold fluid flows in from the cold fluid inlet pipe 21, reaches the bottom of the heat exchanger through the cold fluid inlet baffle 11, flows into the TPMS core area, flows in the core area according to the 'n' -shaped track through the baffle 15, and finally flows out from the cold fluid outlet pipe 22 through the cold fluid outlet baffle 12. The hot fluid flows in from the hot fluid inlet pipe 23, flows into the TPMS core region through the hot fluid inlet baffle 13, flows through the hot fluid channels of the TPMS core region, and finally flows out from the hot fluid outlet pipe 24 through the hot fluid outlet baffle 14.

The utility model has the advantages of compact structure, scientific and reasonable design, and compared with the prior art, the utility model has the following advantages:

1. the specific surface area of the heat exchanger is improved to the maximum extent, the baffle plate is embedded into the core body which is converted into the TPMS structure, so that the fluid flows in a turn-back way, the design domain space is fully utilized, and the heat exchange performance is improved;

2. the three-period minimum curved surface structure has the characteristics of smooth surface and good hole connectivity, greatly reduces flow resistance, and utilizes cold and hot fluid domains and baffles to generate cold and hot fluid side baffles so as to prevent two fluids from being mixed;

3. the heat exchanger is integrally manufactured and formed, so that internal support is avoided to the greatest extent, the number of parts of the heat exchanger is greatly reduced, efficient heat exchange of two fluids under the conditions of limiting inlet and outlet positions and designating design fields is realized, the design of the heat exchanger which is light in weight, high in heat exchange rate and capable of being manufactured is realized, the production cost is low, and good social and economic benefits are realized.

Claims

1. The utility model provides a minimum curved surface heat exchanger of baffling type three periods, includes integrated into one piece's casing (3) and minimum curved surface structure of three periods (4), minimum curved surface structure of three periods (4) are located casing (3), its characterized in that, casing (3) both sides opening part be equipped with ascending cold fluid entry pipe (21) and cold fluid outlet pipe (22), casing (3) both ends are equipped with hot fluid entry pipe (23) and hot fluid outlet pipe (24) respectively, cold fluid entry, cold fluid outlet, hot fluid entry and hot fluid outlet department casing (3) are equipped with cold fluid entry baffle (11), cold fluid outlet baffle (12), hot fluid entry baffle (13) and hot fluid outlet baffle (14) respectively, minimum curved surface structure of three periods (4) center be equipped with baffle (15) parallel with cold fluid entry baffle (11) and cold fluid outlet baffle (12).

2. The baffling type three-period minimum curved surface heat exchanger as claimed in claim 1, wherein the three-period minimum curved surface structure (4) is formed by a plurality of three-period minimum curved surface unit cell structures through an array, and the three-period minimum curved surface unit cell structures are Gyroid curved surfaces.

3. The baffling three-period minimum curved surface heat exchanger according to claim 1, wherein the hollow parts of the cold fluid inlet baffle plate (11) and the cold fluid outlet baffle plate (12) are communicated with the cold fluid inlet and outlet of the three-period minimum curved surface structure (4), and the hollow parts of the hot fluid inlet baffle plate (13) and the hot fluid outlet baffle plate (14) are communicated with the hot fluid inlet and outlet of the three-period minimum curved surface structure (4).