Integrated high-strength plate-fin heat exchanger

Abstract

The utility model relates to the technical field of heat exchangers, in particular to an integrated high-strength plate-fin heat exchanger which comprises a top plate and a bottom plate, a plurality of partition plates are installed between the top plate and the bottom plate, fins are installed between every two adjacent partition plates, and the two sides of each fin are installed on the opposite faces of every two adjacent partition plates respectively. Sealing strips are installed at the two ends of the fins and located between every two adjacent partition plates, sealing plates are installed on the two sides of the partition plates, the tops and the bottoms of the sealing plates are installed on the opposite faces of the top plate and the bottom plate correspondingly, a plurality of limiting grooves are formed in the sides, away from the partition plates, of the sealing plates, and the two ends of each limiting groove penetrate through the top plate and the bottom plate correspondingly. Limiting plates are slidably mounted in the limiting grooves. When the heat exchanger is used, the sealing strips are located between every two adjacent partition plates, the partition plates can well clamp the sealing strips and the fins and fix the positions of the sealing strips and the fins, and meanwhile connection of the sealing strips and the fins is more stable.

Description

Technical Field

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

[0002] Plate-fin heat exchanger is a widely used high-efficiency and compact heat exchange equipment. Due to its high heat transfer efficiency, compact structure, light weight, corrosion resistance and low temperature resistance, it is widely used in aerospace, petrochemical, cryogenic, power machinery and other fields, especially as the core equipment in various low-temperature separation systems such as air cold boxes, ethylene cold boxes, and LNG cold boxes.

[0003] In order to reduce the weight and cost of the commonly used plate-fin heat exchanger, the hardness of the surface material of the heat exchanger is relatively low. When the heat exchanger is hit by external objects, the surface of the heat exchanger will be deformed or damaged, and the inside of the heat exchanger cannot be protected during use. At the same time, the connection between the fins and seals inside the heat exchanger is unstable during use, and the two adjacent partitions cannot effectively fix and protect the connection between the fins and the seals. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an integrated high-strength plate-fin heat exchanger.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An integrated high-strength plate-fin heat exchanger comprises a top plate and a bottom plate, a plurality of partitions are installed between the top plate and the bottom plate, a fin is installed between two adjacent partitions, both sides of the fin are respectively installed on the opposite surfaces of the two adjacent partitions, both ends of the fin are installed with seals, the seals are located between the two adjacent partitions, sealing plates are installed on both sides of the partitions, the top and bottom of the sealing plates are respectively installed on the opposite surfaces of the top plate and the bottom plate, a plurality of limit grooves are opened on the side of the sealing plate away from the partition, the two ends of the limit grooves respectively pass through the top plate and the bottom plate, and the limit plates are slidably installed in the limit grooves.

[0007] Preferably, a plurality of fixing frames are installed on the top of the top plate, the top ends of a plurality of limiting plates located on the sides of the two sealing plates are respectively installed on the bottom ends of the plurality of fixing frames, and a flow groove is opened on one side of the sealing strip close to the fin in the length direction.

[0008] Preferably, the two ends of the top plate are respectively mounted on the first head, the bottom ends of the two first heads are respectively mounted on the two ends of the bottom plate, and the outer walls on both sides of the first head are both mounted with fixing plates, and the side surfaces of the fixing plates are in contact with the partition and the seal.

[0009] Preferably, the two ends of the sealing plate are respectively installed on the opposite surfaces of the two fixed plates on the same side, and a first connecting pipe is installed on the outer wall of the first head away from the top plate, and the first connecting pipe is connected to the interior of the first head.

[0010] Preferably, a second head is installed at one end of the side surfaces of the two sealing plates, a second connecting pipe is installed on the outer wall of the second head away from the sealing plate, and one end of the second connecting pipe is connected to the inside of the fin through the second head.

[0011] Preferably, a side of the fixing plate away from the first sealing head is provided with a plurality of screw holes, the screw holes penetrate the fixing plate and one end of the sealing plate, and fixing bolts are installed in the inner threads of the screw holes.

[0012] Preferably, an L-shaped support is installed on one side of the two sealing plates away from the fins, and a plurality of reinforcing plates are installed on the inner wall of the support near the corners.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, when in use, the staff installs several fixing frames on the top of the top plate, so that the two limit plates at the bottom of both ends of the fixing frames are respectively inserted into the limit grooves on the sides of the two sealing plates. When in use, the fixing frames can limit and protect the positions of the two sealing plates through the two limit plates. At the same time, the limit plates can better fix the position of the connection between the top plate, the bottom plate and the sealing plate, making the connection between the top plate, the bottom plate and the sealing plate more stable. When in use, the seal is located between two adjacent partitions, and the partition can better clamp and fix the seal and the fin, and at the same time make the connection between the seal and the fin more stable.

[0015] 2. In the utility model, the fins are wavy in shape when in use, and seals are installed at both ends of the fins. At the same time, flow grooves are opened on the sides of the seals. Therefore, when the gas flows inside the fins, the surface grooves of the wavy fins will cooperate with the flow grooves on the sides of the seals at both ends, so that the gas will flow in the grooves on the surface of the fins and the flow grooves during heat exchange. When the staff simultaneously exchanges heat between two gases, the wavy fins facilitate heat exchange between the two gases. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of an integrated high-strength plate-fin heat exchanger proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of a sealing plate structure of an integrated high-strength plate-fin heat exchanger proposed by the utility model;

[0018] Figure 3This is a schematic diagram of a seal installation structure of an integrated high-strength plate-fin heat exchanger proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the fin structure of an integrated high-strength plate-fin heat exchanger proposed by the utility model.

[0020] In the figure: 1. top plate; 2. bottom plate; 3. sealing plate; 4. first end cap; 5. first connecting pipe; 6. fixing plate; 7. second end cap; 8. second connecting pipe; 9. support; 10. reinforcing plate; 11. fixing frame; 12. limiting plate; 13. fixing bolt; 14. screw hole; 15. partition; 16. sealing strip; 17. fin; 18. limiting groove; 19. circulation groove. DETAILED DESCRIPTION

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

[0022] Reference Figure 1-4 An integrated high-strength plate-fin heat exchanger includes a top plate 1 and a bottom plate 2, a plurality of partitions 15 are installed between the top plate 1 and the bottom plate 2, a fin 17 is installed between two adjacent partitions 15, both sides of the fin 17 are respectively installed on the opposite surfaces of the two adjacent partitions 15, both ends of the fin 17 are installed with a seal 16, the seal 16 is located between the two adjacent partitions 15, and both sides of the partition 15 are installed with a sealing plate 3, the top and bottom of the sealing plate 3 are respectively installed on the opposite surfaces of the top plate 1 and the bottom plate 2, and a plurality of limiting grooves 18 are opened on the side of the sealing plate 3 away from the partition 15, and the two ends of the limiting groove 18 respectively penetrate the top plate 1 and the bottom plate 2, and the limiting plate 12 is slidably installed in the limiting groove 18.

[0023] As a technical optimization scheme of the utility model, a plurality of fixing frames 11 are installed on the top of the top plate 1, and the top ends of a plurality of limiting plates 12 located on the sides of the two sealing plates 3 are respectively installed at the bottoms of both ends of the plurality of fixing frames 11, and a flow groove 19 is opened in the length direction on the side of the sealing strip 16 close to the fin 17; when in use, the fixing frames 11 can play a better reinforcement and protection role on the top plate 1, the sealing plate 3 and the bottom plate 2 through the limiting plates 12.

[0024] As a technical optimization scheme of the utility model, the two ends of the top plate 1 are respectively installed on the first head 4, and the bottom ends of the two first heads 4 are respectively installed on the two ends of the bottom plate 2. The outer walls of both sides of the first head 4 are installed with fixing plates 6, and the side surfaces of the fixing plates 6 are abutted against the partition 15 and the seal 16; when in use, the staff can fix the first head 4 through the fixing plates 6, and at the same time, the inside of the fin 17 can also be protected and sealed.

[0025] As a technical optimization solution of the utility model, the two ends of the sealing plate 3 are respectively installed on the opposite surfaces of the two fixed plates 6 located on the same side, and a first connecting pipe 5 is installed on the outer wall of the first head 4 away from the top plate 1, and the first connecting pipe 5 is interconnected with the interior of the first head 4; when in use, the staff can connect one of the first connecting pipes 5 to the gas entering the inside of the fin 17 from the outside.

[0026] As a technical optimization solution of the utility model, a second head 7 is installed at one end of the side of the two sealing plates 3, and a second connecting pipe 8 is installed on the outer wall of the second head 7 away from the sealing plate 3. One end of the second connecting pipe 8 is connected with the interior of the fin 17 through the second head 7; when in use, the two second connecting pipes 8 are connected with the interior of the fin 17, which is convenient for the staff to exchange heat with the external gas through the second connecting pipe 8.

[0027] As a technical optimization solution of the utility model, a plurality of screw holes 14 are opened on the side of the fixing plate 6 away from the first head 4, the screw holes 14 pass through the fixing plate 6 and one end of the sealing plate 3, and the inner threads of the screw holes 14 are installed with fixing bolts 13; when in use, the staff can connect and fix the fixing plate 6 and the sealing plate 3 through the fixing bolts 13.

[0028] As a technical optimization solution of the utility model, an L-shaped support 9 is installed on the side of the two sealing plates 3 away from the fins 17, and a plurality of reinforcement plates 10 are installed on the inner wall of the support 9 near the corners; when in use, the staff can install and fix the heat exchanger through the support 9.

[0029] When the utility model is in use, the staff can fix the position of the heat exchanger through the support 9, and install several fixing frames 11 on the top of the top plate 1, so that the two limiting plates 12 at the bottom of the two ends of the fixing frame 11 are respectively inserted into the limiting grooves 18 on the sides of the two sealing plates 3. When in use, the fixing frame 11 can limit and protect the positions of the two sealing plates 3 through the two limiting plates 12. At the same time, the limiting plates 12 can better fix the connection between the top plate 1, the bottom plate 2 and the sealing plate 3, making the connection between the top plate 1, the bottom plate 2 and the sealing plate 3 more stable. The staff connects one end of one of the first connecting pipes 5 away from the top plate 1 with the external gas to be exchanged with heat, so that the gas enters the interior of the first head 4 through the first connecting pipe 5, and the first head 4 is connected to the fins 17. When the gas enters the interior of the first head 4, it can be connected inside the fins 17. When in use, the fin 17 is wavy in shape, and seals 16 are installed at both ends of the fin 17. At the same time, flow grooves 19 are opened on the sides of the seals 16. Therefore, when the gas flows inside the fin 17, the surface grooves of the wavy fin 17 will cooperate with the flow grooves 19 on the sides of the seals 16 at both ends, so that the gas will flow in the surface grooves of the fin 17 and the flow grooves 19 during heat exchange.

[0030] When in use, the other first connecting tube 5 is interconnected with the external gas delivery tube, and the gas can exchange heat when it circulates inside the plurality of fins 17 until the gas is delivered to the outside delivery tube through the first connecting tube 5. When the staff exchanges heat with the gas through the two first connecting tubes 5, they can connect one of the second connecting tubes 8 with the external heat exchange gas, so that the remaining gas to be heat exchanged enters the fin 17 through the second connecting tube 8 to be heat exchanged inside, while the other second connecting tube 8 is interconnected with the external gas delivery tube. When in use, because there are a plurality of grooves on both sides of the fin 17, the two gases can be heat exchanged in the two adjacent grooves respectively.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An integrated high-strength plate-fin heat exchanger, comprising a top plate (1) and a bottom plate (2), characterized in that: A plurality of partitions (15) are installed between the top plate (1) and the bottom plate (2), a fin (17) is installed between two adjacent partitions (15), the two sides of the fin (17) are respectively installed on the opposite surfaces of the two adjacent partitions (15), a seal (16) is installed at both ends of the fin (17), the seal (16) is located between the two adjacent partitions (15), a sealing plate (3) is installed on both sides of the partition (15), the top and bottom of the sealing plate (3) are respectively installed on the opposite surfaces of the top plate (1) and the bottom plate (2), a plurality of limiting grooves (18) are opened on the side of the sealing plate (3) away from the partition (15), the two ends of the limiting groove (18) respectively penetrate the top plate (1) and the bottom plate (2), and a limiting plate (12) is slidably installed in the limiting groove (18).

2. The integrated high-strength plate-fin heat exchanger according to claim 1, characterized in that: A plurality of fixing frames (11) are installed on the top of the top plate (1), and the top ends of a plurality of limiting plates (12) located on the sides of the two sealing plates (3) are respectively installed on the bottom ends of the plurality of fixing frames (11), and a flow groove (19) is provided on one side of the sealing strip (16) close to the fin (17) in the length direction.

3. The integrated high-strength plate-fin heat exchanger according to claim 1, characterized in that: The two ends of the top plate (1) are respectively mounted on the first head (4), the bottom ends of the two first heads (4) are respectively mounted on the two ends of the bottom plate (2), and the outer walls on both sides of the first head (4) are both mounted with fixing plates (6), and the side surfaces of the fixing plates (6) are in contact with the partition plate (15) and the sealing strip (16).

4. The integrated high-strength plate-fin heat exchanger according to claim 3, characterized in that: The two ends of the sealing plate (3) are respectively mounted on opposite surfaces of two fixed plates (6) located on the same side; a first connecting pipe (5) is mounted on the outer wall of the first sealing head (4) away from the top plate (1); the first connecting pipe (5) is connected to the interior of the first sealing head (4).

5. The integrated high-strength plate-fin heat exchanger according to claim 1, characterized in that: A second sealing head (7) is installed at one end of the side of the two sealing plates (3), and a second connecting pipe (8) is installed on the outer wall of the second sealing head (7) away from the sealing plate (3), and one end of the second connecting pipe (8) is connected to the inside of the fin (17) through the second sealing head (7).

6. The integrated high-strength plate-fin heat exchanger according to claim 3, characterized in that: A plurality of screw holes (14) are provided on the side of the fixing plate (6) away from the first sealing head (4). The screw holes (14) penetrate the fixing plate (6) and one end of the sealing plate (3). Fixing bolts (13) are installed in the internal threads of the screw holes (14).

7. The integrated high-strength plate-fin heat exchanger according to claim 1, characterized in that: An L-shaped support (9) is installed on one side of the two sealing plates (3) away from the fins (17), and a plurality of reinforcing plates (10) are installed on the inner wall of the support (9) near the corners.

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