Shell-and-tube heat exchanger with curved surface baffle plate structure

Abstract

The utility model provides a shell-and-tube heat exchanger with a curved surface baffle plate structure, which relates to the technical field of heat exchangers, and comprises a base, the top of the base is fixedly connected with a tube body, the end face of the tube body is provided with an input end, the other end face of the tube body is provided with a backflow end, and the inner surface of the tube body is symmetrically and fixedly connected with positioning plates. A plurality of pipelines are uniformly arranged between the two positioning plates; and the number of the baffling assemblies is multiple. According to the shell-and-tube heat exchanger, when the shell-and-tube heat exchanger runs, after fluid flows and acts on the surface of the rotating plate, the rotating plate is stressed to rotate, when the rotating plate is stressed to rotate, the spring is compressed, at the moment, the rotating plate can be driven to reversely rotate and rebound by utilizing the resilience force of the spring, and the rotating plate rotates reversely through the reverse rotation of the rotating plate. And reverse force can be applied to the fluid, so that the fluid is disturbed, the contact time of the fluid and the pipeline is longer, and the heat exchange efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a shell-and-tube heat exchanger with a curved baffle structure. Background Art

[0002] A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid. Heat exchangers play an important role in many industrial productions such as chemical industry, petroleum, power, food and others.

[0003] In the prior art, when a shell-and-tube heat exchanger is in use, baffles are usually used to change the flow direction and speed of the fluid. However, the traditional baffles are usually in a fixed position, and have less interference with the fluid flowing in a fixed direction. The fluid will still continue to flow in a stable direction, resulting in a short contact time between the fluid and the pipeline, which affects the heat transfer efficiency. Content of the Utility Model

[0004] The utility model mainly provides a shell-and-tube heat exchanger with a curved baffle structure that provides flow disturbance and improves heat transfer efficiency.

[0005] To achieve the above object, the utility model adopts the following technical scheme: A shell-and-tube heat exchanger with a curved baffle structure, including a base, a tube body fixedly connected to the top of the base, an input end arranged on the end face of the tube body, a reflux end arranged on the other end face of the tube body, positioning plates symmetrically and fixedly connected to the inner surface of the tube body, and a plurality of pipelines evenly arranged between the two positioning plates; a baffle assembly, the number of the baffle assemblies is set to be multiple, and multiple baffle assemblies are fixedly connected to the outer surface of the pipeline. The baffle assembly includes a fixing plate, an installation seat fixedly connected to the top of the fixing plate, a connecting rod rotatably connected to the inner surface of the installation seat, a support seat fixedly connected to the outer surface of the connecting rod, and a rotating plate fixedly connected to the outer surface of the support seat.

[0006] Preferably, a baffle is fixedly connected to the outer surface of the fixing plate, and the baffle is matched with the position of the rotating plate. The use of the baffle limits the rotating plate, so that the rotating plate can freely rotate in the direction of fluid flow.

[0007] Preferably, a side frame is fixedly connected to the outer surface of the rotating plate away from the baffle, a first support is fixedly connected to the top of the side frame, and a first support rod is rotatably connected to the inner surface of the first support. After the fluid flow acts on the surface of the rotating plate, the rotating plate will be forced to rotate.

[0008] Preferably, a first rotating block is fixedly connected to the outer surface of the first support rod, a second support is fixedly connected to the outer surface of the rotating plate, a second support rod is rotatably connected to the inner surface of the second support, and a second rotating block is fixedly connected to the outer surface of the second support rod. The force on the rotating plate can play a role in disturbing the flow of the fluid. When the rotating plate rotates, the force will be transmitted to the position of the first support through the connection of the second support.

[0009] Preferably, a telescopic rod is symmetrically and fixedly connected between the first rotating block and the second rotating block, and a spring is sleeved on the outer surface of the telescopic rod. By the combined use of the telescopic rod and the spring between the first support and the second support, when the rotating plate is forced to rotate, the spring will be compressed. At this time, using the resilience of the spring, the rotating plate can be driven to rotate and rebound in the reverse direction.

[0010] Preferably, a plurality of flow guiding plates are fixedly connected to the outer surfaces on both sides of the rotating plate, and the cross section of the flow guiding plate is in an arc shape. With the arrangement of the flow guiding plates, the fluid flows along the arc surface of the flow guiding plate, which can further slow down the flow rate.

[0011] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0012] 1. In the present utility model, when the shell-and-tube heat exchanger is operating, after the fluid flow acts on the surface of the rotating plate, the rotating plate will be forced to rotate. When the rotating plate is forced to rotate, the spring will be compressed. At this time, using the resilience of the spring, the rotating plate can be driven to rotate and rebound in the reverse direction. Through the reverse rotation of the rotating plate, a reverse force can be applied to the fluid, thereby disturbing the fluid and making the contact time between the fluid and the pipeline longer, effectively improving the heat exchange efficiency.

[0013] 2. In the present utility model, with the arrangement of the flow guiding plates, the fluid flows along the arc surface of the flow guiding plates, which can further slow down the flow rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a perspective view of a shell-and-tube heat exchanger with a curved baffle structure proposed by the present utility model;

[0015] Figure 2 is a sectional view of a shell-and-tube heat exchanger with a curved baffle structure proposed by the present utility model;

[0016] Figure 3 is a schematic structural view of a baffle assembly of a shell-and-tube heat exchanger with a curved baffle structure proposed by the present utility model;

[0017] Figure 4 is a schematic structural view of a rotating plate of a shell-and-tube heat exchanger with a curved baffle structure proposed by the present utility model;

[0018] Figure 5 The figure shows a schematic diagram of the spring structure of a shell-and-tube heat exchanger with a curved baffle structure proposed by the present utility model.

[0019] Legend: 1. Base; 2. Tube body; 3. Input end; 4. Reverse flow end; 5. Pipeline; 6. Baffle assembly; 601. Fixed plate; 602. Mounting seat; 603. Connecting rod; 604. Support seat; 605. Rotating plate; 606. Deflector; 607. Side frame; 608. First support; 609. First support rod; 610. First rotating block; 611. Second support; 612. Second support rod; 613. Second rotating block; 614. Telescopic rod; 615. Spring; 616. Baffle; 7. Positioning plate. Specific embodiments

[0020] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the present utility model will be further described below with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0021] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.

[0022] Please refer to Figures 1 - 5 , the present utility model provides a technical solution: a shell-and-tube heat exchanger with a curved baffle structure, including a base 1, a tube body 2 fixedly connected to the top of the base 1, an input end 3 provided on the end face of the tube body 2, a reverse flow end 4 provided on the other end face of the tube body 2, positioning plates 7 symmetrically and fixedly connected to the inner surface of the tube body 2, and a plurality of pipelines 5 evenly arranged between the two positioning plates 7; a baffle assembly 6, the number of the baffle assemblies 6 is set to be multiple, and the multiple baffle assemblies 6 are all fixedly connected to the outer surface of the pipeline 5. The baffle assembly 6 includes a fixed plate 601, a mounting seat 602 fixedly connected to the top of the fixed plate 601, a connecting rod 603 rotatably connected to the inner surface of the mounting seat 602, a support seat 604 fixedly connected to the outer surface of the connecting rod 603, and a rotating plate 605 fixedly connected to the outer surface of the support seat 604.

[0023] As Figures 1 - 4 shown, a baffle 616 is fixedly connected to the outer surface of the fixed plate 601. The baffle 616 is in cooperation with the position of the rotating plate 605. The use of the baffle 616 is used to limit the rotating plate 605, so that the rotating plate 605 can freely rotate in the flowing direction of the fluid.

[0024] As Figures 1 - 4As shown, on the outer surface of the side away from the baffle 616 of the rotating plate 605, a side frame 607 is fixedly connected. On the top of the side frame 607, a first support 608 is fixedly connected. The inner surface of the first support 608 is rotatably connected to a first support rod 609. After the fluid flow acts on the surface of the rotating plate 605, the rotating plate 605 will be forced to rotate.

[0025] As Figures 1 - 4 shown, a first rotating block 610 is fixedly connected to the outer surface of the first support rod 609. A second support 611 is fixedly connected to the outer surface of the rotating plate 605. The inner surface of the second support 611 is rotatably connected to a second support rod 612. A second rotating block 613 is fixedly connected to the outer surface of the second support rod 612. The force on the rotating plate 605 can cause a flow disturbance to the fluid flow. When the rotating plate 605 rotates, the force will be transmitted to the position of the first support 608 through the connection of the second support 611.

[0026] As Figures 1 - 4 shown, a telescopic rod 614 is symmetrically fixedly connected between the first rotating block 610 and the second rotating block 613. A spring 615 is sleeved on the outer surface of the telescopic rod 614. Through the combined use of the telescopic rod 614 and the spring 615 between the first support 608 and the second support 611, when the rotating plate 605 is forced to rotate, the spring 615 will be compressed. At this time, using the resilience of the spring 615, the rotating plate 605 can be driven to rotate reversely and rebound.

[0027] As Figures 1 - 4 shown, a plurality of flow guiding plates 606 are fixedly connected to both outer surfaces of the rotating plate 605. The cross-section of the flow guiding plate 606 is in an arc shape. With the setting of the flow guiding plate 606, the fluid flows along the arc surface of the flow guiding plate 606, which can further slow down the flow rate.

[0028] Usage method and working principle of this device: When the shell-and-tube heat exchanger is operating, through the coordinated use of the input end 3, the reflux end 4, the tube body 2, the pipeline 5 and the baffle assembly 6, the fluid input into the interior of the tube body 2 is heat-exchanged to complete cooling. When the low-temperature fluid enters the interior of the tube body 2 and flows, through the use of multiple baffle assemblies 6, it can restrict the flow of the low-temperature fluid, delay the transportation of the fluid in the tube body 2, enable the low-temperature fluid to fully contact and exchange heat with the fluid transported in the pipeline 5, and effectively improve the heat exchange efficiency of the heat exchanger. Through the setting that the connecting rod 603 cooperates with the support base 604 to support the rotating plate 605, and at the same time, in cooperation with the use of the baffle 616 to limit the rotating plate 605, the rotating plate 605 can freely rotate in the direction of fluid flow. Therefore, after the fluid flow acts on the surface of the rotating plate 605, it will cause the rotating plate 605 to be forced to rotate. Through the force on the rotating plate 605, it can play a role in disturbing the flow of the fluid. At the same time, in cooperation with the setting of the guide plate 606, the fluid flows along the arc surface of the guide plate 606, which can further slow down the flow rate. When the rotating plate 605 rotates, the force will be transmitted to the position of the first support 608 through the connection of the second support 611. Through the coordinated use of the telescopic rod 614 and the spring 615 between the first support 608 and the second support 611, when the rotating plate 605 is forced to rotate, the spring 615 will be compressed. At this time, using the resilience of the spring 615, it can drive the rotating plate 605 to rotate and rebound in the reverse direction. Through the reverse rotation of the rotating plate 605, a reverse force can be applied to the fluid, thereby disturbing the fluid and making the contact time between the fluid and the pipeline 5 longer, effectively improving the heat exchange efficiency.

[0029] The above is only the preferred embodiment of the present invention, and it is not a limitation of the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A shell and tube heat exchanger with a curved baffle structure, characterized in that: It comprises a base (1), the top of the base (1) is fixedly connected to a tube body (2), an input end (3) is arranged on the end face of the tube body (2), a reverse flow end (4) is arranged on the other end face of the tube body (2), the inner surface of the tube body (2) is symmetrically fixedly connected to a positioning plate (7), and a plurality of pipelines (5) are evenly arranged between two positioning plates (7); A deflector assembly (6), wherein the number of the deflector assemblies (6) is set to be multiple, and the multiple deflector assemblies (6) are all fixedly connected to the outer surface of the pipeline (5), and the deflector assembly (6) includes a fixed plate (601), the top of the fixed plate (601) is fixedly connected to the mounting seat (602), the inner surface of the mounting seat (602) is rotatably connected to the connecting rod (603), the outer surface of the connecting rod (603) is fixedly connected to the support seat (604), and the outer surface of the support seat (604) is fixedly connected to the rotating plate (605).

2. The shell and tube heat exchanger with a curved baffle structure according to claim 1, characterized in that: The outer surface of the fixed plate (601) is fixedly connected to a baffle plate (616), and the baffle plate (616) matches the position of the rotating plate (605).

3. The shell and tube heat exchanger with a curved baffle structure according to claim 2, characterized in that: The outer surface of the rotating plate (605) away from the baffle (616) is fixedly connected to the side frame (607), the top of the side frame (607) is fixedly connected to the first support (608), and the inner surface of the first support (608) is rotatably connected to the first support rod (609).

4. The shell and tube heat exchanger with a curved baffle structure according to claim 3, characterized in that: The outer surface of the first support rod (609) is fixedly connected to the first rotating block (610), the outer surface of the rotating plate (605) is fixedly connected to the second support (611), the inner surface of the second support (611) is rotationally connected to the second support rod (612), and the outer surface of the second support rod (612) is fixedly connected to the second rotating block (613).

5. The shell and tube heat exchanger with a curved baffle structure according to claim 4, characterized in that: A telescopic rod (614) is symmetrically fixedly connected between the first rotating block (610) and the second rotating block (613), and a spring (615) is sleeved on the outer surface of the telescopic rod (614).

6. The shell and tube heat exchanger with a curved baffle structure according to claim 1, characterized in that: The outer surfaces of both sides of the rotating plate (605) are fixedly connected to a plurality of guide plates (606), and the cross-section of the guide plates (606) is arranged in an arcuate shape.

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