Heat exchanger and preparation method thereof

Abstract

The invention relates to the technical field of heat exchangers, and discloses a heat exchanger and a preparation method thereof.The heat exchanger comprises a heat exchange core body and further comprises main frame plates arranged above and below the heat exchange core body, side baffles arranged on the two sides of the heat exchange core body and supporting plates arranged at the two ends of the heat exchange core body. According to the heat exchanger, the side clamping grooves and the limiting clamping grooves are formed in the two sets of main frame plates, so that the side baffles and the supporting plates can be pre-selected to be directly spliced between the two sets of main frame plates, all the components can be conveniently aligned during installation, and then first fixing bolts and second fixing bolts are screwed in; therefore, the main frame plate, the side baffle and the supporting plate can be accurately aligned in the surface mounting process of the heat exchange core main body, deviation possibly caused by manual mounting is avoided, meanwhile, the main frame plate, the side baffle and the supporting plate are equivalently pre-assembled at a time, and the subsequent fixing work of the first fixing bolt and the second fixing bolt is smoother.

Description

Technical Field

[0001] The present invention relates to the technical field of heat exchangers, and in particular to a heat exchanger and a preparation method thereof. Background Art

[0002] Heat exchanger, also known as heat exchanger or heat exchange equipment, is a device used to transfer heat from hot fluid to cold fluid to meet specific process requirements. It is a common equipment in industry and is widely used in various fields, such as thermal power, factories and mines, food and medical, machinery and light industry, civil construction, etc., for heating, hot water bathing and many other purposes.

[0003] At present, in the production process, most heat exchanger manufacturers directly fix the frames of the heat exchanger by screwing multiple frames together with bolts. During installation, it is easy to make it difficult to align the frames, resulting in time-consuming and labor-intensive installation and reduced work efficiency. Summary of the invention

[0004] In view of the fact that the frames of the above-mentioned existing heat exchangers are directly spliced ​​and fixed by screwing multiple frames together by bolts, it is easy to make it difficult to align the frames during installation, resulting in time-consuming and labor-intensive installation and reduced work efficiency. The present invention is proposed.

[0005] Therefore, an object of the present invention is to provide a heat exchanger, the purpose of which is to facilitate the splicing between frames and improve the efficiency of installation.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a heat exchanger, comprising a heat exchange core body, and also comprising main frame plates arranged above and below the heat exchange core body, side baffles arranged on both sides of the heat exchange core body, and the side baffles are located between the two groups of the main frame plates, and support plates are arranged at both ends of the heat exchange core body, and the support plates are located between the two groups of the main frame plates.

[0007] As a preferred solution of the heat exchanger described in the present invention, side grooves are opened on both sides of the ends of the two groups of heat exchange core bodies close to each other, and the top and bottom ends of the side baffles close to the heat exchange core body extend to the inside of the side grooves.

[0008] As a preferred solution of the heat exchanger described in the present invention, wherein: a first threaded hole is opened on both sides of the ends away from each other of the two groups of main frame plates, and the first threaded hole is connected to the inner cavity of the side clamping groove, a first limiting threaded hole is arranged at both ends of the top and bottom of the side baffle plate, and a first fixing bolt is arranged on the inner side of the first threaded hole, and one end of the first fixing bolt extends into the first limiting threaded hole through the side clamping groove.

[0009] As a preferred solution of the heat exchanger described in the present invention, two groups of clamping columns are fixedly connected to one side of the inner cavity of the side clamping groove, and limiting holes are opened on both sides of the top and bottom of one side of the side baffle close to the heat exchange core body, and one end of the clamping column extends to the inner cavity of the limiting hole.

[0010] As a preferred solution of the heat exchanger described in the present invention, the two sets of main frame plates are provided with limiting slots at both ends close to each other, and the top and bottom of the support plate close to one end of the heat exchange core body extend to the inside of the limiting slots.

[0011] As a preferred solution of the heat exchanger of the present invention, second threaded holes are provided at both ends of the two groups of main frame plates that are far away from each other, and the second threaded holes and the limiting slots are connected to each other.

[0012] As a preferred solution of the heat exchanger described in the present invention, the top and bottom ends of the support plate are both provided with a second limiting threaded hole, and a second fixing bolt is arranged on the inner side of the second threaded hole, and one end of the second fixing bolt extends to the inner cavity of the second limiting threaded hole through the limiting slot.

[0013] To achieve the above object, the present invention provides the following technical solution: a method for preparing a heat exchanger, comprising the following steps:

[0014] S1, firstly, a straight plastic film is formed into a blister flow channel by blister forming;

[0015] S2, then apply glue on the surface of the blister flow channel made in S1, and adhere the heat exchange film to the surface of the blister flow channel, and then put it into a dryer for drying to obtain a single-layer structure;

[0016] S3, coating the multiple groups of single-layer structures prepared in S2 with glue, performing compounding operations, and then placing them in a drying machine for drying to obtain a multi-layer structure of desired height;

[0017] S4, cutting the multilayer structure obtained in S3 into a heat exchange core body according to the size by a cutting machine;

[0018] S5, finally, main frame plates are installed on the top and bottom of the heat exchange core body obtained in S4, and then side baffle plates are installed on both sides of the heat exchange core body and between the two groups of main frame plates, and finally, support plates are installed between the two groups of main frame plates at the front and rear ends of the heat exchange core body, and finally, multiple groups of first fixing bolts and limiting slots are used to fix the heat exchanger, so as to form a hexagonal heat exchanger.

[0019] Beneficial effects of the present invention:

[0020] 1. The present invention provides side slots and limiting slots on two groups of main frame plates, so that the side baffle plates and the support plates can be pre-selected and directly spliced ​​between the two groups of main frame plates, thereby making it convenient to align the various components during installation, and then screw in the first fixing bolt and the second fixing bolt, thereby ensuring that the main frame plates, the side baffle plates and the support plates are accurately aligned during the installation process on the surface of the heat exchange core body, avoiding deviations that may be caused by manual installation, and at the same time being equivalent to pre-assembling the main frame plates, the side baffle plates and the support plates, making the subsequent fixing work of the first fixing bolt and the second fixing bolt smoother. Since the preliminary positioning has been achieved, the tightening state can be achieved more quickly when the first fixing bolt and the second fixing bolt are screwed in, reducing the time wasted due to adjusting the position.

[0021] 2. The present invention designs the heat exchange core body into a hexagonal structure, and finally makes a hexagonal heat exchanger. The hexagonal design can increase the heat transfer area of ​​the heat exchanger, thereby improving the heat transfer efficiency. This design can also optimize the flow path of the fluid, reduce the flow resistance, and increase the flow rate and fluidity of the fluid. At the same time, the hexagonal structure also has good stability and pressure resistance, so that the heat exchanger can maintain a stable operating state even in a high-pressure environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0023] Figure 1 It is a schematic diagram of the overall structure of the heat exchanger of the present invention.

[0024] Figure 2 It is a schematic diagram of the overall structure of the heat exchanger of the present invention from another perspective.

[0025] Figure 3 It is a schematic diagram of the explosion expansion structure of the heat exchanger of the present invention.

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the main frame plate of the heat exchanger of the present invention.

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the side baffle of the heat exchanger of the present invention.

[0028] Figure 6 It is a schematic diagram of the three-dimensional structure of the support plate of the heat exchanger of the present invention.

[0029] Figure 7 It is a schematic diagram of the partial structure of the heat exchange core body of the heat exchanger of the present invention.

[0030] Figure 8 It is a schematic diagram of the three-dimensional structure of the heat exchange core body of the heat exchanger of the present invention.

[0031] Description of reference numerals:

[0032] 1. Heat exchange core body; 2. Main frame plate; 21. Side slot; 22. Clamp column; 23. First threaded hole; 24. First fixing bolt; 25. Limiting slot; 26. Second threaded hole; 27. Second fixing bolt; 3. Side baffle; 31. Limiting hole; 32. First limiting threaded hole; 4. Support plate; 41. Second limiting threaded hole. DETAILED DESCRIPTION

[0033] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0034] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0035] Reference Figure 1-8 , is an embodiment of the present invention, and provides a heat exchanger, which includes a heat exchange core body 1, and also includes main frame plates 2 arranged above and below the heat exchange core body 1, side baffles 3 arranged on both sides of the heat exchange core body 1, and the side baffles 3 are located between the two groups of main frame plates 2, and support plates 4 are arranged at both ends of the heat exchange core body 1, and the support plates 4 are located between the two groups of main frame plates 2.

[0036] Side grooves 21 are provided on both sides of the ends of the two groups of heat exchange core bodies 1 that are close to each other, and the top and bottom ends of the side baffle plate 3 close to the heat exchange core body 1 extend to the inner side of the side groove 21. First threaded holes 23 are provided on both sides of the ends of the two groups of main frame plates 2 that are far away from each other, and the first threaded holes 23 are connected to the inner cavity of the side groove 21, and first limiting threaded holes 32 are provided at both ends of the top and bottom of the side baffle plate 3, and a first fixing bolt 24 is threadedly connected to the inner side of the first threaded hole 23, and one end of the first fixing bolt 24 extends into the first limiting threaded hole 32 through the side groove 21.

[0037] Two groups of clamping columns 22 are fixedly connected to one side of the inner cavity of the side clamping groove 21, and limiting holes 31 are opened on both sides of the top and bottom of the side baffle plate 3 close to the heat exchange core body 1. One end of the clamping column 22 extends to the inner cavity of the limiting hole 31. The mutual adaptation of the clamping column 22 and the limiting hole 31 makes it easy to perform auxiliary splicing between the two groups of main frame plates 2 and the two groups of side baffle plates 3 during installation, thereby improving the stability of the splicing. Limiting clamping grooves 25 are opened at both ends of the two groups of main frame plates 2 close to each other, and the support plate 4 extends to the inner side of the limiting clamping groove 25 near the top and bottom of one end of the heat exchange core body 1.

[0038] Second threaded holes 26 are provided at both ends of the two sets of main frame plates 2 that are away from each other, and the second threaded holes 26 and the limiting slots 25 are connected to each other. Second limiting threaded holes 41 are provided at the top and bottom ends of the support plate 4, and second fixing bolts 27 threadedly connected to the inner side of the second threaded holes 26, and one end of the second fixing bolt 27 extends to the inner cavity of the second limiting threaded hole 41 through the limiting slot 25.

[0039] A method for preparing a heat exchanger comprises the following steps:

[0040] S1, firstly, a straight plastic film is formed into a blister flow channel by blister forming;

[0041] S2, then apply glue to the surface of the blister flow channel made in S1, and bond the heat exchange film to the surface of the blister flow channel, and then put it into the dryer for drying to obtain a single-layer structure [such as Figure 7 as shown];

[0042] S3, coating the multiple groups of single-layer structures prepared in S2 with glue, performing compounding operations, and then placing them in a drying machine for drying to obtain a multi-layer structure of desired height;

[0043] S4, the multilayer structure obtained in S3 is cut by a cutting machine according to the size to obtain a heat exchange core body 1 [such as Figure 8 as shown];

[0044] S5, finally, main frame plates 2 are installed on the top and bottom of the heat exchange core body 1 obtained in S4, and then side baffle plates 3 are installed on both sides of the heat exchange core body 1 and between the two groups of main frame plates 2, and finally, support plates 4 are installed between the two groups of main frame plates 2 at the front and rear ends of the heat exchange core body 1, and finally, multiple groups of first fixing bolts 24 and limiting slots 25 are used to fix them to make a hexagonal heat exchanger.

[0045] During use, after the heat exchange core body 1 is manufactured, the two sets of main frame plates 2 are placed on the top and bottom of the heat exchange core body 1 respectively, and then the top and bottom of the two sets of side baffles 3 are respectively adapted to the side card slots 21 on the main frame plate 2, and then the two sets of side baffles 3 can be clamped in the side card slots 21 on the main frame plate 2, and at the same time, the clamping columns 22 in the side card slots 21 are clamped in the limiting holes 31 on the side baffles 3, thereby improving the stability and firmness of the splicing of the two sets of main frame plates 2 and the two sets of side baffles 3, and then the two sets of support plates 4 are respectively removed from The two ends of the heat exchange core body 1 are clamped in the limiting grooves 25 on the main frame plate 2, which then play a role in supporting and limiting the two groups of main frame plates 2. Finally, multiple groups of first fixing bolts 24 are screwed into the first limiting threaded holes 32 on the side baffle plate 3 through the first threaded holes 23, and at the same time, multiple groups of second fixing bolts 27 are screwed into the second limiting threaded holes 41 on the support plate 4 through the second threaded holes 26, thereby improving the stability between the two groups of main frame plates 2, the side baffle plates 3 and the support plates 4, and at the same time facilitating the restriction of the heat exchange core body 1.

[0046] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A heat exchanger, comprising a heat exchange core body (1), characterized in that: It also includes main frame plates (2) arranged above and below the heat exchange core body (1), side baffle plates (3) arranged on both sides of the heat exchange core body (1), and the side baffle plates (3) are located between the two groups of main frame plates (2), and support plates (4) are arranged at both ends of the heat exchange core body (1), and the support plates (4) are located between the two groups of main frame plates (2).

2. The heat exchanger according to claim 1, characterized in that: Side grooves (21) are provided on both sides of the ends of the two groups of heat exchange core bodies (1) close to each other, and the top and bottom ends of the side baffles (3) close to the heat exchange core body (1) extend to the inside of the side grooves (21).

3. The heat exchanger according to claim 2, characterized in that: First threaded holes (23) are provided on both sides of the ends of the two groups of main frame plates (2) that are far away from each other, and the first threaded holes (23) are communicated with the inner cavity of the side clamping groove (21), first limiting threaded holes (32) are provided at the top and bottom ends of the side baffle plate (3), and first fixing bolts (24) are provided inside the first threaded holes (23), and one end of the first fixing bolt (24) extends into the first limiting threaded hole (32) through the side clamping groove (21).

4. The heat exchanger according to claim 3, characterized in that: Two groups of clamping columns (22) are fixedly connected to one side of the inner cavity of the side clamping groove (21), and limiting holes (31) are opened on both sides of the top and bottom of one side of the side baffle plate (3) close to the heat exchange core body (1), and one end of the clamping column (22) extends to the inner cavity of the limiting hole (31).

5. The heat exchanger according to claim 1, characterized in that: Limiting slots (25) are provided at both ends of the two sets of main frame plates (2) close to each other, and the top and bottom of the support plate (4) close to one end of the heat exchange core body (1) extend to the inside of the limiting slots (25).

6. The heat exchanger according to claim 5, characterized in that: Second threaded holes (26) are provided at both ends of the two sets of main frame plates (2) that are away from each other, and the second threaded holes (26) and the limiting slots (25) are in communication with each other.

7. The heat exchanger according to claim 6, characterized in that: The top and bottom ends of the support plate (4) are both provided with a second limiting threaded hole (41), and a second fixing bolt (27) is arranged inside the second threaded hole (26), and one end of the second fixing bolt (27) extends to the inner cavity of the second limiting threaded hole (41) through the limiting slot (25).

8. A method for preparing a heat exchanger, which is applied to the heat exchanger as claimed in claim 7, characterized in that: The following steps are included: S1, firstly, a straight plastic film is formed into a blister flow channel by blister forming; S2, then apply glue on the surface of the blister flow channel made in S1, and adhere the heat exchange film to the surface of the blister flow channel, and then put it into a dryer for drying to obtain a single-layer structure; S3, coating the multiple groups of single-layer structures prepared in S2 with glue, performing compounding operations, and then placing them in a drying machine for drying to obtain a multi-layer structure of desired height; S4, cutting the multilayer structure obtained in S3 into pieces according to the size by a cutting machine to obtain a heat exchange core body (1); S5, finally, main frame plates (2) are installed on the top and bottom of the heat exchange core body (1) obtained in S4, and then side baffle plates (3) are installed on both sides of the heat exchange core body (1) and between the two groups of main frame plates (2), and finally, support plates (4) are installed between the two groups of main frame plates (2) at the front and rear ends of the heat exchange core body (1), and finally, the heat exchange core body (1) is fixed by multiple groups of first fixing bolts (24) and limiting slots (25) to obtain a hexagonal heat exchanger.

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