Plate-fin heat exchanger
By installing the filter mesh and sealing plate inside the plate-fin heat exchanger, the problems of scale blockage and impurities cannot be filtered are solved, and the effect of reducing the number of repairs and extending the service life is achieved.
Patent Information
- Application Number
- CN202323517221.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-22
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-22
AI Technical Summary
During use, the plate-fin heat exchanger is prone to scale due to the long-term contact between the fins and water, resulting in internal blockage and impurities in the medium cannot be filtered. Frequent disassembly and repairs increase manpower consumption and affect service life.
The filter is fixedly connected to the plate-fin heat exchanger. The medium first passes through the filter to filter impurities. The sealing plate is used to centrally store impurities under the filter, which is convenient for regular cleaning and reduces the number of repairs and labor consumption.
The impurities in the filter media are filtered through the filter, which reduces the number of repairs and labor consumption of the plate-fin heat exchanger, and extends the service life of the equipment.
Smart Images
Figure CN222165800U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat exchangers, in particular to a plate-fin heat exchanger. Background Art
[0002] Plate-fin heat exchangers are usually composed of baffles, fins, seals, and guide vanes. They have the advantages of small size, light weight, and the ability to handle more than two media. They are currently widely used in industries such as petroleum, chemical industry, and natural gas processing.
[0003] During the use of the plate-fin heat exchanger, scale is easily formed inside the fins due to long-term contact with water. After the scale is formed, it is difficult to clean, which will cause blockage inside the plate-fin heat exchanger and affect the heat exchange effect. The existing plate-fin heat exchanger uses horizontal sealing plates, vertical sealing plates, left head and right head to wrap the core to avoid welding and cannot be disassembled. At the same time, it is easy to clean when scale appears inside. However, since the medium entering this device contains impurities and cannot be filtered, the number of maintenance times will be greatly increased. Frequent disassembly may affect the service life of this device and consume manpower. After searching, it was found that the technical solution provided by the utility model with application number 202222395443.8 also has the above-mentioned problems. Utility Model Content
[0004] According to the described plate-fin heat exchanger, the purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a plate-fin heat exchanger. By fixing a filter screen inside the device, the medium is first filtered by the filter screen when entering the device to block impurities and the like. The first sealing plate and the second sealing plate can fix the device while centrally storing the filtered impurities. When cleaning is required, only the first sealing plate and the second sealing plate need to be removed for cleaning, which reduces the use of manpower and greatly reduces the number of disassembly, maintenance and cleaning, thereby increasing the service life of the device.
[0005] To achieve the above-mentioned purpose, the utility model also provides the above-mentioned plate-fin heat exchanger body, the side surface of the plate-fin heat exchanger body is fixedly connected with a mounting block, the side surface of the plate-fin heat exchanger body is movably connected with a side plate, the side surface of the side plate is provided with a slide groove, the slide groove cooperates with the mounting block to make the installation of the side plate more convenient, the side surface of the side plate is provided with a mounting groove, the upper surface of the plate-fin heat exchanger body is provided with a top plate, the side surface of the top plate is fixedly connected with a clamping block, the clamping block cooperates with the mounting groove to connect the side plate and the top plate, the upper surface of the top plate is fixedly connected with a screw, and the screw makes the connection tighter;
[0006] The lower surface of the plate-fin heat exchanger body is fixedly connected to a mounting plate, and the upper surface of the mounting plate is fixedly connected to a plug post, which serves as an installation guide for the filter and helps to fix its position; the upper surface of the mounting plate is movably connected to a filter, and the filter filters the medium entering the device; the side surface of the plate-fin heat exchanger body is movably connected to a first sealing plate, the side surface of the first sealing plate is fixedly connected to a first inlet pipe, the side surface of the first sealing plate is fixedly connected to a second outlet pipe, and the side surface of the plate-fin heat exchanger body is movably connected to a second sealing plate, the first sealing plate and the second sealing plate can seal the device while collecting impurities filtered by the filter in a centralized manner, which is convenient for subsequent opening and cleaning; the side surface of the second sealing plate is fixedly connected to a second inlet pipe, and the side surface of the second sealing plate is fixedly connected to the first outlet pipe.
[0007] According to the plate-fin heat exchanger, a partition is provided inside the plate-fin heat exchanger body, and fins are provided inside the plate-fin heat exchanger body.
[0008] According to the plate-fin heat exchanger, the side surface of the fin is movably connected to the partition, and the side surface of the mounting block is slidably connected to the slide groove.
[0009] According to the plate-fin heat exchanger, the side surface of the block is slidably connected to the mounting groove, and the side surface of the screw is threadedly connected to the side plate.
[0010] According to the plate-fin heat exchanger, the side surface of the plug post is movably connected to the filter screen, and the side surface of the filter screen is threadedly connected with bolts for fixing the position of the filter screen.
[0011] According to the plate-fin heat exchanger, the side surface of the bolt is threadedly connected to the plate-fin heat exchanger body, and the number of the filter screens is two and they are bilaterally symmetrical.
[0012] According to the plate-fin heat exchanger, the top inner walls of the first sealing plate and the second sealing plate are both movably connected to the top plate, and the side inner walls of the first sealing plate and the second sealing plate are both movably connected to the side plates.
[0013] According to the plate-fin heat exchanger, the side surface of the first sealing plate is fixedly connected with a threaded rod, the side surface of the threaded rod is movably connected with the second sealing plate, and the side surface of the threaded rod is threadedly connected with a nut, so that the first sealing plate and the second sealing plate are fixedly connected, which is convenient for disassembly for cleaning and maintenance.
[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0016] Figure 1 This is a front view of a plate-fin heat exchanger of the utility model;
[0017] Figure 2 This is an exploded diagram of a plate-fin heat exchanger of the utility model;
[0018] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;
[0019] Figure 4 It is a partial structural schematic diagram of a plate-fin heat exchanger of the utility model.
[0020] Legend:
[0021] 1. Plate-fin heat exchanger body; 2. Partition; 3. Fin; 4. Mounting block; 5. Side plate; 6. Slide; 7. Mounting groove; 8. Top plate; 9. Block; 10. Screw; 11. Mounting plate; 12. Plug column; 13. Filter; 14. Bolt; 15. First blocking plate; 16. First inlet pipe; 17. Second outlet pipe; 18. Second blocking plate; 19. Second inlet pipe; 20. First outlet pipe. DETAILED DESCRIPTION
[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0023] Reference Figure 1-4 The utility model embodiment is a plate-fin heat exchanger, which includes a plate-fin heat exchanger body 1, a partition plate 2 is arranged inside the plate-fin heat exchanger body 1, a fin 3 is arranged inside the plate-fin heat exchanger body 1, a mounting block 4 is fixedly connected to the side surface of the plate-fin heat exchanger body 1, the side surface of the fin 3 is movably connected to the partition plate 2, the side surface of the mounting block 4 is slidably connected to the slide groove 6, the side surface of the plate-fin heat exchanger body 1 is movably connected to the side plate 5, and the side surface of the side plate 5 is provided with a slide groove 6. The slide groove 6 cooperates with the mounting block 4 to make the installation of the side plate 5 more convenient. The side surface of the side plate 5 is provided with a mounting groove 7. The upper surface of the plate-fin heat exchanger body 1 is provided with a top plate 8. The side surface of the top plate 8 is fixedly connected with a clamping block 9. The clamping block 9 cooperates with the mounting groove 7 to connect the side plate 5 with the top plate 8. The upper surface of the top plate 8 is fixedly connected with a screw 10. The side surface of the clamping block 9 is slidably connected to the mounting groove 7. The side surface of the screw 10 is threadedly connected to the side plate 5. The screw 10 makes the connection tighter.
[0024] The lower surface of the plate-fin heat exchanger body 1 is fixedly connected with a mounting plate 11, and the upper surface of the mounting plate 11 is fixedly connected with a plug post 12, which is a mounting guide for the filter screen 13 and helps to fix its position. The upper surface of the mounting plate 11 is movably connected with the filter screen 13, and the side surface of the plug post 12 is movably connected with the filter screen 13. The side surface of the filter screen 13 is threadedly connected with a bolt 14 for fixing the position of the filter screen 13. The filter screen 13 filters the medium entering the device, and the side surface of the bolt 14 is threadedly connected with the plate-fin heat exchanger body 1. The number of the filter screens 13 is two and symmetrical. The side surface of the plate-fin heat exchanger body 1 is movably connected with a first blocking plate 15, and the side surface of the first blocking plate 15 is fixedly connected with a first inlet pipe 16, and the side surface of the first blocking plate 15 is fixedly connected with a second outlet pipe 17. A second plugging plate 18 is movably connected to the side surface of the plate-fin heat exchanger body 1. The first plugging plate 15 and the second plugging plate 18 can seal the device while collecting impurities filtered by the filter screen 13, which is convenient for subsequent opening and cleaning. A second inlet pipe 19 is fixedly connected to the side surface of the second plugging plate 18, and a first outlet pipe 20 is fixedly connected to the side surface of the second plugging plate 18. The top inner walls of the first plugging plate 15 and the second plugging plate 18 are both movably connected to the top plate 8, and the side inner walls of the first plugging plate 15 and the second plugging plate 18 are both movably connected to the side plate 5. A threaded rod is fixedly connected to the side surface of the first plugging plate 15, and the side surface of the threaded rod is movably connected to the second plugging plate 18. A nut is threadedly connected to the side surface of the threaded rod, so that the first plugging plate 15 and the second plugging plate 18 are fixedly connected, which is convenient for disassembly for cleaning and maintenance.
[0025] Working principle: When the device is in use, hot medium enters the device from the first inlet pipe 16 and is discharged from the first outlet pipe 20, and cold medium enters the device from the second inlet pipe 19 and is discharged from the second outlet pipe 17. When the medium enters the device, it will first pass through the filter screen 13, and the filter screen 13 will filter the impurities in the medium. The filtered impurities are stored in the first sealing plate 15 and the second sealing plate 18, and only need to be opened and cleaned regularly.
[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. A plate-fin heat exchanger, characterized in that: include: A plate-fin heat exchanger body (1), wherein a mounting block (4) is fixedly connected to a side surface of the plate-fin heat exchanger body (1), a side plate (5) is movably connected to a side surface of the plate-fin heat exchanger body (1), a slide groove (6) is provided on the side surface of the side plate (5), a mounting groove (7) is provided on the side surface of the side plate (5), a top plate (8) is provided on the upper surface of the plate-fin heat exchanger body (1), a clamping block (9) is fixedly connected to the side surface of the top plate (8), and a screw (10) is fixedly connected to the upper surface of the top plate (8); The lower surface of the plate-fin heat exchanger body (1) is fixedly connected to a mounting plate (11), the upper surface of the mounting plate (11) is fixedly connected to a plug post (12), the upper surface of the mounting plate (11) is movably connected to a filter screen (13), the side surface of the plate-fin heat exchanger body (1) is movably connected to a first blocking plate (15), the side surface of the first blocking plate (15) is fixedly connected to a first inlet pipe (16), the side surface of the first blocking plate (15) is fixedly connected to a second outlet pipe (17), the side surface of the plate-fin heat exchanger body (1) is movably connected to a second blocking plate (18), the side surface of the second blocking plate (18) is fixedly connected to a second inlet pipe (19), and the side surface of the second blocking plate (18) is fixedly connected to the first outlet pipe (20).
2. A plate-fin heat exchanger according to claim 1, characterized in that: A partition plate (2) is arranged inside the plate-fin heat exchanger body (1), and fins (3) are arranged inside the plate-fin heat exchanger body (1).
3. A plate-fin heat exchanger according to claim 2, characterized in that: The side surface of the fin (3) is movably connected to the partition (2), and the side surface of the mounting block (4) is slidably connected to the slide groove (6).
4. The plate-fin heat exchanger according to claim 1, characterized in that: The side surface of the clamping block (9) is slidably connected to the mounting groove (7), and the side surface of the screw (10) is threadedly connected to the side plate (5).
5. The plate-fin heat exchanger according to claim 1, characterized in that: The side surface of the plug post (12) is movably connected to the filter screen (13), and the side surface of the filter screen (13) is threadedly connected with a bolt (14).
6. A plate-fin heat exchanger according to claim 5, characterized in that: The side surface of the bolt (14) is threadedly connected to the plate-fin heat exchanger body (1), and the number of the filter screens (13) is two and they are bilaterally symmetrical.
7. The plate-fin heat exchanger according to claim 1, characterized in that: The top inner walls of the first blocking plate (15) and the second blocking plate (18) are both movably connected to the top plate (8), and the side inner walls of the first blocking plate (15) and the second blocking plate (18) are both movably connected to the side plate (5).
8. The plate-fin heat exchanger according to claim 1, characterized in that: A threaded rod is fixedly connected to the side surface of the first blocking plate (15), the side surface of the threaded rod is movably connected to the second blocking plate (18), and a nut is threadedly connected to the side surface of the threaded rod.