Assembled plate-fin heat exchanger

Abstract

The utility model relates to the technical field of plate-fin heat exchangers, and discloses a split mounting type plate-fin heat exchanger which comprises a water collecting box, a water draining box, a first connecting fin plate, a second connecting fin plate, a water inlet and a water draining port, and dustproof nets are installed on the outer side of the first connecting fin plate and the outer side of the second connecting fin plate respectively. The first connecting fin plate and the second connecting fin plate can be connected with the connecting insertion openings in the adjacent faces of the water collecting box and the drainage box in an inserted mode through the flow guide groove plates at the top and the bottom respectively, and the water collecting box is matched with the ball screw on one side. The first connecting fin plate and the second connecting fin plate can be connected and positioned in a sealed mode through the sealing inserting plate and the sealing inserting opening, so that the connecting fin plates, the water collecting box and the water draining box can be connected together in a sealed mode, and the assembling sealing performance of the split mounting type plate-fin heat exchanger is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of plate-fin heat exchangers, in particular to an assembled plate-fin heat exchanger. Background Art

[0002] The plate-fin heat exchanger is a sandwich formed by placing fins, guide vanes and seals between two adjacent partitions, called a channel. Such sandwiches are stacked according to different flow patterns. The plate bundle is the core of the plate-fin heat exchanger, and it is equipped with necessary heads, pipes, supports, etc. to form a plate-fin heat exchanger.

[0003] For example, the Chinese patent publication number CN216845808U discloses a large aluminum plate-fin heat exchanger capable of pre-positioning, comprising a transversely arranged water collecting box, a transversely arranged drainage box below the water collecting box, and the water collecting box and the drainage box being connected via a heat exchange plate.

[0004] The aforementioned reference document uses buckle strips for connection and fixation. When assembling a plate-fin heat exchanger, two fin plates are spliced ​​together to form a heat exchange plate, and the heat exchange flow of the liquid is carried out through the guide groove. The two ends of the heat exchange plate are respectively inserted into the water collection box and the drainage box for connection, thereby completing the assembly of the plate-fin heat exchanger, making the assembly of the plate-fin heat exchanger more convenient.

[0005] However, when assembling the above-mentioned assembled plate-fin heat exchanger, the front and rear assembled connecting fins are assembled with each other by bolts and then connected with the upper and lower water boxes. The connecting fins are only assembled between the upper and lower water boxes by sealing strips on both sides, which has poor sealing performance. In addition, the connecting fins and the upper and lower water boxes can only be disassembled and assembled by disassembling multiple sets of bolts, which is extremely inconvenient. Utility Model Content

[0006] The purpose of the utility model is to provide an assembled plate-fin heat exchanger, which can achieve a sealed connection between the front and rear assembled connecting fins and the upper and lower water boxes. After the connection, the sealing performance is good, and the front and rear connecting fins and the upper and lower water boxes can be disassembled and assembled by simply disassembling the bolts on the external dustproof net.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an assembled plate-fin heat exchanger, comprising a water collecting box, a drainage box, a first connecting fin plate, a second connecting fin plate, a water inlet, and a drainage outlet, dustproof nets are respectively installed on the outer sides of the first connecting fin plate and the second connecting fin plate, and fixing bolts are respectively installed at the outer inner corners of the two groups of dustproof nets, the tops of the first connecting fin plate and the second connecting fin plate are respectively penetrated and connected with guide groove plates, and the first connecting fin plate is close to the second connecting fin plate. The side of the first connecting fin plate close to the second connecting fin plate is respectively integrally formed with sealing plug plates, and the first ear plates are respectively fixedly installed at both ends of the water collecting box and the drainage box, and the tops of the first ear plates at both ends of the drainage box are respectively fixedly penetrated and connected with connecting rods, and a ball screw is rotatably installed on the top of the connecting rod on one side, and the first ear plates at both ends of the water collecting box are respectively sleeved on the ball screw and the connecting rod.

[0008] Preferably, the water collecting box and the drainage box are arranged symmetrically up and down, and the first connecting fin plate and the second connecting fin plate are arranged symmetrically front to back.

[0009] Preferably, second ear plates are fixedly installed at the outer inner corners of the two groups of dustproof nets, and the two corresponding groups of second ear plates are fixed by the fixing bolts.

[0010] Preferably, connecting sockets are respectively provided in the middle of the adjacent surfaces of the water collecting box and the drainage box, and the guide trough plates on the adjacent surfaces of the water collecting box and the drainage box are inserted into the corresponding connecting sockets.

[0011] Preferably, the drainage box is provided with sealing sockets on four sides of a side close to the first connecting fin plate, and the sealing plug plate is plugged into the sealing sockets.

[0012] Preferably, the first ear plate at one end of the water collecting box is connected to the outside of the ball screw through threaded engagement, and the first ear plate at the other end of the water collecting box is movably sleeved on the connecting rod.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] In the present invention, the first connecting fin plate and the second connecting fin plate can be respectively plugged into the connecting sockets on the adjacent surfaces of the water collecting box and the drainage box through the guide groove plates at the top and bottom. The water collecting box cooperates with the ball screw on one side to seal and position the first connecting fin plate and the second connecting fin plate through the sealing plug plate and the sealing socket. In this way, the connecting fin plate and the water collecting box and the drainage box can be sealed together, thereby ensuring the assembly sealing of the assembled plate-fin heat exchanger.

[0015] In the utility model, the dust screens on both sides of the first connecting fin plate and the second connecting fin plate are fixed with fixing bolts through the second ear plate at the inner corner. In this way, after the dust screens are released, the first connecting fin plate and the second connecting fin plate can be laterally released. Through the rotation of the ball screw, the water collecting box can be separated from the top of the connecting fin plate under the guidance of the connecting rod, so that the top of the first connecting fin plate and the second connecting fin plate can be released. In this way, the first connecting fin plate and the second connecting fin plate can be removed from the gap between the water collecting box and the drainage box. Compared with the existing assembled plate-fin heat exchanger, disassembly and assembly do not require disassembly of multiple sets of bolts, and disassembly and assembly are more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the split structure of the first connecting plate and the second connecting plate in the present utility model;

[0018] Figure 3 This is a schematic diagram of the assembly structure of the water collection box and the drainage box in the utility model;

[0019] Figure 4 for Figure 3 Schematic diagram of the locally enlarged structure at point A in the middle.

[0020] In the figure: 1. Water collecting box; 2. Drain box; 3. First connecting fin plate; 4. Second connecting fin plate; 5. Dust screen; 6. Guide trough plate; 7. Sealing plug plate; 8. First ear plate; 9. Ball screw; 11. Water inlet; 21. Drain outlet; 51. Second ear plate; 52. Fixing bolt; 61. Connecting socket; 81. Connecting rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] See also Figure 1-4 The utility model provides a technical solution: an assembled plate-fin heat exchanger, comprising a water collecting box 1, a drainage box 2, a first connecting fin plate 3, a second connecting fin plate 4, a water inlet 11, and a drainage outlet 21. Dustproof nets 5 are respectively installed on the outer sides of the first connecting fin plate 3 and the second connecting fin plate 4. Fixing bolts 52 are respectively installed at the outer inner corners of the two sets of dustproof nets 5.

[0023] The tops of the first connecting fin plate 3 and the second connecting fin plate 4 are respectively connected with a guide groove plate 6, and the first connecting fin plate 3 is respectively integrally formed with a sealing plug plate 7 on the four sides near the second connecting fin plate 4. The water collecting box 1 and the drainage box 2 are respectively fixedly installed with a first ear plate 8. The tops of the first ear plates 8 at both ends of the drainage box 2 are respectively fixedly connected with a connecting rod 81. The top of the connecting rod 81 on one side is rotatably installed with a ball screw 9. The first ear plates 8 at both ends of the water collecting box 1 are respectively sleeved on the ball screw 9 and the connecting rod 81.

[0024] The assembled plate-fin heat exchanger can introduce hot fluid into the water collecting box 1 through the water inlet 11, and after heat exchange in the first connecting fin plate 3 and the second connecting fin plate 4, it can be discharged from the drain port 21. The working principle of the assembled plate-fin heat exchanger is the existing technical solution and will not be described in detail here.

[0025] The first connecting fin plate 3 and the second connecting fin plate 4 can be respectively connected to the connecting sockets 61 on the adjacent surfaces of the water collecting box 1 and the drainage box 2 through the guide groove plates 6 at the top and bottom. The water collecting box 1 cooperates with the ball screw 9 on one side to seal the first connecting fin plate 3 and the second connecting fin plate 4 through the sealing plug plate 7 and the sealing socket. In this way, the connecting fin plates and the water collecting box 1 and the drainage box 2 can be sealed together, thereby ensuring the assembly sealing of the assembled plate-fin heat exchanger;

[0026] The dust screens 5 on both sides of the first connecting fin 3 and the second connecting fin 4 are fixed with fixing bolts 52 through the second ear plates 51 at the inner corners. In this way, after the dust screen 5 is released, the first connecting fin 3 and the second connecting fin 4 can be laterally released. By rotating the ball screw 9, the water collecting box 1 can be separated from the top of the connecting fin under the guidance of the connecting rod 81, so that the top of the first connecting fin 3 and the second connecting fin 4 are released. In this way, the first connecting fin 3 and the second connecting fin 4 can be removed from the gap between the water collecting box 1 and the drainage box 2. Compared with the existing assembled plate-fin heat exchanger, disassembly and assembly do not require disassembly of multiple sets of bolts, and disassembly and assembly are more convenient.

[0027] Among them, the water collecting box 1 and the drainage box 2 are arranged symmetrically in the upper and lower parts, and the first connecting fin plate 3 and the second connecting fin plate 4 are arranged symmetrically in the front and back parts. The first connecting fin plate 3 and the second connecting fin plate 4 can be respectively connected with the connecting sockets 61 on the adjacent surfaces of the water collecting box 1 and the drainage box 2 through the top and bottom guide groove plates 6. The water collecting box 1 cooperates with the ball screw 9 on one side to seal and connect the first connecting fin plate 3 and the second connecting fin plate 4 through the sealing plug plate 7 and the sealing socket to position them.

[0028] Among them, the two groups of dustproof nets 5 are respectively fixedly installed with second ear plates 51 at the outer inner corners, and the two corresponding groups of second ear plates 51 are fixed by fixing bolts 52. The dustproof nets 5 on both sides of the first connecting fin plate 3 and the second connecting fin plate 4 are fixed with fixing bolts 52 through the second ear plates 51 at the inner corners. In this way, after the dustproof nets 5 are released from positioning, the first connecting fin plate 3 and the second connecting fin plate 4 can be laterally released from positioning.

[0029] Among them, connecting sockets 61 are respectively opened in the middle of the adjacent surfaces of the water collecting box 1 and the drainage box 2, and the guide groove plates 6 on the adjacent surfaces of the water collecting box 1 and the drainage box 2 are inserted into the corresponding connecting sockets 61. The drainage box 2 is respectively provided with sealing sockets around the side close to the first connecting fin 3, and the sealing plug-in plate 7 is inserted into the sealing socket. The first connecting fin 3 and the second connecting fin 4 can be respectively connected with the connecting sockets 61 on the adjacent surfaces of the water collecting box 1 and the drainage box 2 through the top and bottom guide groove plates 6. The first connecting fin 3 and the second connecting fin 4 are sealed and positioned by the sealing plug-in plate 7 and the sealing socket, so that the connecting fins and the water collecting box 1 and the drainage box 2 can be connected together through sealing, thereby ensuring the assembly sealing of the assembled plate-fin heat exchanger.

[0030] Among them, the first ear plate 8 at one end of the water collecting box 1 is connected to the outside of the ball screw 9 through threaded cooperation, and the first ear plate 8 at the other end of the water collecting box 1 is movably sleeved on the connecting rod 81. Through the rotation of the ball screw 9, the water collecting box 1 can be separated from the top of the connecting fin under the guidance of the connecting rod 81, so that the top of the first connecting fin 3 and the second connecting fin 4 are released from the positioning, so that the first connecting fin 3 and the second connecting fin 4 can be removed from the gap between the water collecting box 1 and the drainage box 2.

[0031] Working principle: When disassembling and cleaning the inner cavity of the assembled plate-fin heat exchanger, first disassemble the fixing bolts 52 on both sides of the dust screen 5. After releasing the positioning, the first connecting fin plate 3 and the second connecting fin plate 4 can be laterally released. Then, the ball screw 9 can be rotated to allow the water collecting box 1 to be separated from the top of the connecting fin plate under the guidance of the connecting rod 81, thereby releasing the positioning of the top of the first connecting fin plate 3 and the second connecting fin plate 4. In this way, the first connecting fin plate 3 and the second connecting fin plate 4 can be removed from the gap between the water collecting box 1 and the drainage box 2.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes and modifications may be made to these embodiments without departing from the principles of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembled plate-fin heat exchanger comprising a water collecting box (1), a drainage box (2), a first connecting fin plate (3), a second connecting fin plate (4), a water inlet (11), and a drainage outlet (21), characterized in that: The outer sides of the first connecting fin plate (3) and the second connecting fin plate (4) are respectively installed with dustproof nets (5), and the outer inner corners of the two groups of dustproof nets (5) are respectively installed with fixing bolts (52), and the tops of the first connecting fin plate (3) and the second connecting fin plate (4) are respectively connected through the guide groove plate (6), and the first connecting fin plate (3) is respectively integrally formed with a sealing plug plate (7) on the four sides of the side close to the second connecting fin plate (4), and the two ends of the water collecting box (1) and the drainage box (2) are respectively fixedly installed with first ear plates (8), and the tops of the first ear plates (8) at both ends of the drainage box (2) are respectively fixedly connected through the connecting rod (81), and the top of the connecting rod (81) on one side is rotatably installed with a ball screw (9), and the first ear plates (8) at both ends of the water collecting box (1) are respectively sleeved on the ball screw (9) and the connecting rod (81).

2. The assembled plate-fin heat exchanger according to claim 1, characterized in that: The water collecting box (1) and the drainage box (2) are arranged symmetrically up and down, and the first connecting fin plate (3) and the second connecting fin plate (4) are arranged symmetrically front to back.

3. The assembled plate-fin heat exchanger according to claim 2, characterized in that: Second ear plates (51) are fixedly mounted on the outer inner corners of the two groups of dustproof screens (5), and the two corresponding groups of the second ear plates (51) are fixed by the fixing bolts (52).

4. The assembled plate-fin heat exchanger according to claim 3, characterized in that: Connecting sockets (61) are respectively provided in the middle of the adjacent surfaces of the water collecting box (1) and the drainage box (2), and the guide trough plates (6) on the adjacent surfaces of the water collecting box (1) and the drainage box (2) are plugged into the corresponding connecting sockets (61).

5. The assembled plate-fin heat exchanger according to claim 4, characterized in that: The drainage box (2) is provided with sealing sockets on all sides of one side close to the first connecting fin plate (3), and the sealing plug plate (7) is plugged into the sealing sockets.

6. The assembled plate-fin heat exchanger according to claim 5, characterized in that: The first ear plate (8) at one end of the water collecting box (1) is connected to the outside of the ball screw (9) through threaded engagement, and the first ear plate (8) at the other end of the water collecting box (1) is movably sleeved on the connecting rod (81).

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