Double-core expansion type heat exchanger

Abstract

The utility model provides a double-core expansion type heat exchanger, which relates to the technical field of heat exchangers, and comprises a heat exchanger cylinder, two heat exchange cores are arranged in the heat exchanger cylinder, one side of each heat exchange core is fixedly communicated with two connecting pipes, and the outer surface of each heat exchange core is fixedly provided with a mounting plate. A sealing structure is mounted on one side of an inner cavity of the heat exchanger cylinder; the sealing structure comprises a gasket, heat exchange cavities are formed in the surface of the gasket, cylindrical pipes are arranged in the heat exchange cavities, one ends of the cylindrical pipes fixedly communicate with the connecting pipes, one ends of the cylindrical pipes penetrate through the heat exchanger cylinder, and a middle supporting plate is arranged between the two heat exchange cavities. According to the utility model, the two heat exchange cores are arranged, so that the heat exchange efficiency can be improved, and the two heat exchange cores can respectively exchange heat by utilizing the heat exchange cavity when the gasket plays a sealing role, so that the purpose that two strands of condensed water do not interfere with each other is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a double-core expansion type heat exchanger. Background Art

[0002] A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid. It is also called a heat exchanger. Heat exchange capacity is one of the important indicators of a heat exchanger. Heat exchange capacity directly affects product production capacity in fields such as air separation and petrochemicals.

[0003] For example, Chinese patent CN215177073U discloses a heat exchanger, which includes a first tube, a second tube, a heat exchange tube and a partition, the heat exchange tube connects the first tube and the second tube, the first tube includes a first cavity, the partition is located in the first cavity, the partition includes a first partition and a second partition, the first partition includes a first hole, the first hole passes through the first partition, the second partition includes a second hole, the second hole passes through the second partition, the first end of the first partition and the first end of the second partition are located on the same side of the first tube axis in the radial direction of the first tube, the second end of the first partition and the second end of the second partition are located on the other side of the first tube axis in the radial direction of the first tube, the first end of the first partition is higher than the second end of the first partition in the direction of gravity, and / or the first end of the second partition is lower than the second end of the second partition in the direction of gravity.

[0004] In the prior art, the core of a traditional extended heat exchanger is composed of a core, and the corresponding tube has only one water inlet and outlet, and the heat transfer efficiency is limited. If two-stage heat transfer is to be achieved, another heat exchanger needs to be added, so the labor cost and material cost will increase, and the manufacturing cost will also increase accordingly, resulting in a decline in the market competitiveness of the heat exchanger. Utility Model Content

[0005] The utility model mainly provides a double-core expansion type heat exchanger which can improve the heat exchange efficiency and prevent the interference of condensed water.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a double-core expansion heat exchanger, comprising a heat exchanger cylinder, two heat exchange cores are arranged inside the heat exchanger cylinder, one side of the heat exchange core is fixedly connected with two connecting pipes, and a mounting plate is fixedly installed on the outer surface of the heat exchange core, and a sealing structure is installed on one side of the inner cavity of the heat exchanger cylinder;

[0007] The sealing structure includes a gasket, a heat exchange cavity is opened on the surface of the gasket, a cylindrical tube is arranged inside the heat exchange cavity, one end of the cylindrical tube is fixedly connected to the connecting pipe, and one end of the cylindrical tube passes through the heat exchanger cylinder, and an intermediate support plate is arranged between the two heat exchange cavities.

[0008] Preferably, a protection frame is installed on the outer surface of the intermediate support plate, and mounting screws are arranged on the surface of the protection frame. The protection frame is arranged on one side of the intermediate support plate, and the other side of the intermediate support plate can be fixed, so that after the intermediate support plate is connected to the gasket, the other side is conveniently connected to the inner wall of the heat exchanger cylinder, thereby facilitating installation and improving the firmness of installation.

[0009] Preferably, the mounting screw passes through the protection frame, and one end of the mounting screw is connected to the thread. The protection frame can be connected to the threaded hole by the mounting screw, and a plurality of threaded holes are provided on the outer edge of the middle support plate, thereby improving the installation flexibility of the protection frame.

[0010] Preferably, a fixing piece is fixedly installed on the top of the protection frame. The middle support plate is made of high-strength steel plate, which can effectively support the two heat exchange cores, thereby ensuring stability during use.

[0011] Preferably, a plurality of mounting holes are provided on the surface of the intermediate support plate, and a threaded hole is provided on the outer surface of the intermediate support plate. The intermediate support plate can be conveniently and flexibly installed by using the fixing piece.

[0012] Preferably, bolt holes are provided in the middle and the edge of the gasket, and a mounting block is fixedly connected to the top of the gasket. The bolt holes on the surface of the gasket are not only convenient for positioning, but also can ensure that the equipment is easy to disassemble.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the present invention, by providing two heat exchange cores, the heat exchange efficiency can be improved, and while the gasket plays a sealing role, the heat exchange cavity can also be used to allow the two heat exchange cores to exchange heat separately, so as to achieve the purpose of preventing the two streams of condensed water from interfering with each other.

[0015] 2. In the present invention, the middle support plate is used to not only play the role of a middle partition, but also the protection frame can be used to improve the firmness of the installation of the middle support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a double-core expanded heat exchanger is proposed for the utility model;

[0017] Figure 2 The utility model provides a schematic diagram of the heat exchange core structure of a double-core extended heat exchanger;

[0018] Figure 3 The utility model provides a structural schematic diagram of a sealing structure in a double-core extended heat exchanger;

[0019] Figure 4The utility model provides a structural schematic diagram of an intermediate support plate of a double-core extended heat exchanger.

[0020] Legend: 1. Heat exchanger cylinder; 2. Sealing structure; 21. Gasket; 22. Cylindrical tube; 23. Heat exchange cavity; 24. Mounting block; 25. Bolt hole; 3. Intermediate support plate; 31. Threaded hole; 32. Mounting hole; 33. Mounting screw; 34. Protective frame; 35. Fixing part; 4. Heat exchange core; 41. Connecting pipe; 42. Mounting plate. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] See also Figure 1 - Figure 4 The utility model provides a technical solution: a double-core expansion heat exchanger, comprising a heat exchanger cylinder 1, two heat exchange cores 4 are arranged inside the heat exchanger cylinder 1, one side of the heat exchange core 4 is fixedly connected with two connecting pipes 41, and a mounting plate 42 is fixedly installed on the outer surface of the heat exchange core 4, and a sealing structure 2 is installed on one side of the inner cavity of the heat exchanger cylinder 1;

[0024] The sealing structure 2 includes a gasket 21, a heat exchange cavity 23 is opened on the surface of the gasket 21, a cylindrical tube 22 is arranged inside the heat exchange cavity 23, one end of the cylindrical tube 22 is fixedly connected to the connecting pipe 41, and one end of the cylindrical tube 22 passes through the heat exchanger cylinder 1, and an intermediate support plate 3 is arranged between the two heat exchange cavities 23.

[0025] Two heat exchange cores 4 are arranged inside the heat exchanger cylinder 1 to achieve the purpose of improving the heat exchange efficiency. During the heat exchange process, the two heat exchange cores 4 exchange heat through two heat exchange cavities 23 respectively, and an intermediate support plate 3 is arranged between the two heat exchange cavities 23, which can not only play the effect of a middle partition, but also enable the two streams of condensed water to not interfere with each other.

[0026] In addition, screw holes are provided on the surface of the gasket 21 . During the installation process, the bolt holes 25 can be conveniently used to match the threaded holes 31 on the outer surface of the intermediate support plate 3 , so as to achieve the purpose of conveniently installing the intermediate support plate 3 .

[0027] like Figure 4As shown, a protection frame 34 is installed on the outer surface of the middle support plate 3, and mounting screws 33 are arranged on the surface of the protection frame 34. The protection frame 34 is arranged on one side of the middle support plate 3, and the other side of the middle support plate 3 can be fixed, so that after the middle support plate 3 is connected to the gasket 21, the other side is conveniently connected to the inner wall of the heat exchanger cylinder 1, thereby facilitating installation and improving the firmness of installation.

[0028] like Figure 4 As shown, the mounting screw 33 passes through the protection frame 34, and one end of the mounting screw 33 is connected with a thread. The protection frame 34 can be connected with the threaded hole 31 by the mounting screw 33, and a plurality of threaded holes 31 are provided on the outer edge of the middle support plate 3, thereby improving the installation flexibility of the protection frame 34.

[0029] like Figure 4 As shown, a fixing member 35 is fixedly installed on the top of the protection frame 34. The middle support plate 3 is made of high-strength steel plate, which can effectively support the two heat exchange cores 4, thereby ensuring stability during use.

[0030] like Figure 4 As shown, a plurality of mounting holes 32 are provided on the surface of the middle support plate 3, and a threaded hole 31 is provided on the outer surface of the middle support plate 3. The fixing member 35 can be used to conveniently and flexibly install the middle support plate 3.

[0031] like Figure 3 As shown, bolt holes 25 are provided in the middle and edge of the gasket 21, and a mounting block 24 is fixedly connected to the top of the gasket 21. The bolt holes 25 on the surface of the gasket 21 are not only convenient for positioning, but also can ensure that the equipment is easy to disassemble.

[0032] The use method and working principle of the device: Two heat exchange cores 4 are arranged inside the heat exchanger cylinder 1 to improve the heat exchange efficiency. During the heat exchange process, the two heat exchange cores 4 exchange heat through two heat exchange cavities 23 respectively, and an intermediate support plate 3 is arranged between the two heat exchange cavities 23, which can not only play the role of intermediate partition, but also prevent the two streams of condensed water from interfering with each other, thereby improving the overall heat exchange efficiency.

[0033] In addition, by setting a protective frame 34 on one side of the intermediate support plate 3, the other side of the intermediate support plate 3 can be fixed, so that after the intermediate support plate 3 is connected to the gasket 21, the other side can be conveniently connected to the inner wall of the heat exchanger cylinder 1, thereby facilitating installation and improving the firmness of the installation.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A double-core expansion heat exchanger, comprising a heat exchanger cylinder (1), characterized in that: Two heat exchange cores (4) are arranged inside the heat exchanger cylinder (1); two connecting pipes (41) are fixedly connected to one side of the heat exchange core (4); a mounting plate (42) is fixedly mounted on the outer surface of the heat exchange core (4); and a sealing structure (2) is mounted on one side of the inner cavity of the heat exchanger cylinder (1); The sealing structure (2) comprises a gasket (21), a heat exchange cavity (23) is provided on the surface of the gasket (21), a cylindrical tube (22) is provided inside the heat exchange cavity (23), one end of the cylindrical tube (22) is fixedly connected to the connecting tube (41), and one end of the cylindrical tube (22) passes through the heat exchanger cylinder (1), and an intermediate support plate (3) is provided between the two heat exchange cavities (23).

2. The double-core expansion heat exchanger according to claim 1 is characterized in that: A protection frame (34) is installed on the outer surface of the middle support plate (3), and mounting screws (33) are arranged on the surface of the protection frame (34).

3. The double-core expansion heat exchanger according to claim 2 is characterized in that: The mounting screw (33) passes through the protection frame (34), and one end of the mounting screw (33) is connected to a thread.

4. The double-core expansion heat exchanger according to claim 2, characterized in that: A fixing member (35) is fixedly mounted on the top of the protection frame (34).

5. The double-core expansion heat exchanger according to claim 2, characterized in that: A plurality of mounting holes (32) are provided on the surface of the middle support plate (3), and a threaded hole (31) is provided on the outer surface of the middle support plate (3).

6. The double-core expansion heat exchanger according to claim 1, characterized in that: Bolt holes (25) are provided in the middle and at the edge of the gasket (21), and a mounting block (24) is fixedly connected to the top of the gasket (21).

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