Annular shell-and-tube heat exchanger
By installing the connecting pipe and adjustment structure at the inlet of the annular shell-and-tube heat exchanger, the liquid is diverted and the angle is automatically adjusted by using the slow flow plate to separate the liquid and the tube bundle wear caused by liquid impact is solved, which extends the equipment life and improves the heat exchange efficiency.
Patent Information
- Application Number
- CN202421253303.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-04
AI Technical Summary
During use, the existing annular shell and tube heat exchanger will directly enter the heat exchanger and cause impact on the tube bundle, causing wear and aging of the tube bundle, and shortening the heat exchanger life.
An annular shell and tube heat exchanger is designed. By installing a connecting pipe at the inlet of the heat exchange fluid and setting a support plate and an adjustment structure inside the connecting pipe, the liquid is diverted by the slow flow plate to slow down the fluid speed and reduce the impact on the tube bundle. The angle of the slow flow plate is automatically adjusted through the motor drive adjustment structure to adapt to the fluid characteristics at different flow rates.
It effectively reduces the impact of liquid on the heat exchanger tube bundle, extends the service life of the tube bundle, and improves the heat exchange efficiency by optimizing the flow field.
Smart Images
Figure CN222544471U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to heat exchangers, and in particular to an annular shell and tube heat exchanger. Background Art
[0002] A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid. It is also called a heat exchanger. Heat exchangers play an important role in chemical, petroleum, power, food and many other industrial productions. In chemical production, heat exchangers are widely used as heaters, coolers, condensers, evaporators and reboilers. Shell and tube heat exchangers are a type of heat exchanger. Shell and tube heat exchangers are also called shell and tube heat exchangers. They use the wall of the tube bundle enclosed in the shell as the heat transfer surface. This type of heat exchanger has a simple structure, low cost, a wide flow cross-section, and is easy to clean scale.
[0003] The annular shell and tube heat exchanger is a common heat exchange equipment, mainly composed of an annular tube bundle and a shell. The inside of the annular tube bundle is usually a fluid, which can be a heat transfer medium, such as water or steam. The shell is the part that wraps the annular tube bundle on the outside, and heat is exchanged between the fluid outside the shell and the fluid inside the tube bundle. This design can effectively improve the heat exchange efficiency and is widely used in industrial production and HVAC systems.
[0004] When the existing annular shell and tube heat exchanger is in use, the heat exchange fluid mostly enters the heat exchanger directly from the heat exchange fluid inlet, and the liquid directly entering the heat exchanger will impact the tube bundle. The tube bundle that is impacted by the fluid for a long time will accelerate wear and aging, resulting in a shortened life of the heat exchanger. To solve the above problems, the present application proposes an annular shell and tube heat exchanger. Utility Model Content
[0005] The utility model provides an annular shell and tube heat exchanger to solve the technical problems existing in the background technology.
[0006] In order to solve the above problems, the utility model proposes an annular shell and tube heat exchanger, including a heat exchanger body and an adjustment structure, characterized in that a heat exchange liquid inlet is fixedly connected to one side of the top of the heat exchanger body, a heat exchange liquid outlet is fixedly connected to one side of the bottom of the heat exchanger body, a connecting pipe is detachably connected to the upper end of the heat exchange liquid inlet, a support plate is fixedly connected to the inside of the connecting pipe, and the adjustment structure is fixedly connected to the bottom of the support plate.
[0007] Preferably, the adjustment structure includes an adjusting sleeve, a round rod, a threaded rod, a threaded sleeve, a movable sleeve, a connecting block, a first movable block, a hinge, a slow flow plate and a second movable block, the bottom end of the support plate is fixedly connected to the adjusting sleeve, the top end of the adjusting sleeve is rotatably connected to the round rod, the bottom end of the round rod is fixedly connected to the threaded rod, the threaded sleeve is threadedly connected to the threaded rod, the bottom end of the threaded sleeve is fixedly connected to the movable sleeve, the bottom end of the movable sleeve is fixedly connected to the connecting block, a plurality of hinges are fixedly connected to the outer wall of the adjusting sleeve, the hinges are hinged with the slow flow plate, and the second movable block is fixedly connected to an end face of the slow flow plate close to the adjusting sleeve.
[0008] Preferably, a plurality of first movable blocks are fixedly connected to the outer side wall of the connection block, the first movable blocks are rotatably connected to a linkage rod, and the other end of the linkage rod is rotatably connected to the second movable block.
[0009] Preferably, an installation box is fixedly connected to the outer side wall of the connecting pipe, and a motor is placed inside the installation box.
[0010] Preferably, a rotating shaft is rotatably connected to the inner wall of the connecting tube, one end of the rotating shaft passes through the inside of the adjusting sleeve and is provided with a first bevel gear, and the other end of the rotating shaft passes through the inside of the mounting box and is connected to the output end of the motor.
[0011] Preferably, a second bevel gear is fixedly connected to the outer side wall of the round rod, and the second bevel gear is meshingly connected to the first bevel gear.
[0012] Preferably, one end of the heat exchanger body is detachably connected to a pipe box, and the bottom of the heat exchanger body is fixedly connected to two support frames.
[0013] The above technical solution of the utility model has the following beneficial technical effects:
[0014] 1. This device installs the connecting pipe at the inlet of the heat exchange liquid and uses several slow-flow plates to divert the liquid entering the heat exchanger body, thereby slowing down the speed of the fluid and effectively weakening the impact of the liquid on the tube bundle at the inlet of the heat exchanger body, which helps to reduce the wear and deformation of the pipeline, protect the tube bundle from excessive impact, and extend the service life of the heat exchanger tube bundle.
[0015] 2. The device adjusts the angles of several slow flow plates by adjusting the setting of the structure. When the flow rate of the liquid changes, the motor drives the rotating shaft and the first bevel gear to rotate. The first bevel gear and the second bevel gear are engaged with each other to drive the round rod and the threaded rod to rotate, thereby driving the threaded sleeve and several first movable blocks to move up and down. The slow flow plates are driven to rotate by the cooperation of the first movable block, the linkage rod and the second movable block, thereby adjusting the angle of the slow flow plates to adapt to the fluid characteristics under different flow rates. By adjusting the angle of the slow flow plates, the fluid can form a more uniform flow field around the tube bundle at the inlet of the heat exchange liquid, thereby improving the heat exchange efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model is a structural schematic diagram of an annular shell and tube heat exchanger.
[0017] Figure 2 The utility model provides a schematic diagram of the internal structure of a connecting tube in an annular shell and tube heat exchanger.
[0018] Figure 3 The utility model provides a top view of a connecting pipe in an annular shell and tube heat exchanger.
[0019] Figure 4 The utility model provides a top view of a connecting tube in an annular shell and tube heat exchanger.
[0020] Figure 5 This is an enlarged view of A in the annular shell and tube heat exchanger proposed by the utility model.
[0021] Figure 6 This is an enlarged view of B in the annular shell and tube heat exchanger proposed by the utility model.
[0022] Figure numerals: 1. heat exchanger body; 2. pipe box; 3. support frame; 4. heat exchange liquid inlet; 5. heat exchange liquid outlet; 6. connecting pipe; 7. support plate; 8. adjustment sleeve; 9. installation box; 10. motor; 11. rotating shaft; 12. first bevel gear; 13. round rod; 14. second bevel gear; 15. threaded rod; 16. threaded sleeve; 17. movable sleeve; 18. connecting block; 19. first movable block; 20. hinge; 21. slow flow plate; 22. second movable block; 23. linkage rod. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.
[0024] like Figure 1-6 As shown, the utility model proposes an annular shell and tube heat exchanger, including an annular shell and tube heat exchanger, including a heat exchanger body 1 and an adjustment structure, characterized in that one end of the heat exchanger body 1 is detachably connected to a pipe box 2, two support frames 3 are fixedly connected to the bottom of the heat exchanger body 1, a heat exchange liquid inlet 4 is fixedly connected to one side of the top of the heat exchanger body 1, a heat exchange liquid outlet 5 is fixedly connected to one side of the bottom of the heat exchanger body 1, the upper end of the heat exchange liquid inlet 4 is detachably connected to a connecting pipe 6, a support plate 7 is fixedly connected to the inside of the connecting pipe 6, and the bottom of the support plate 7 is fixedly connected to the adjustment structure.
[0025] In an optional embodiment, the adjustment structure includes an adjustment sleeve 8, a round rod 13, a threaded rod 15, a threaded sleeve 16, a movable sleeve 17, a connecting block 18, a first movable block 19, a hinge 20, a slow flow plate 21 and a second movable block 22. The bottom end of the support plate 7 is fixedly connected to the adjustment sleeve 8, the top end of the adjustment sleeve 8 is rotatably connected to the round rod 13, the bottom end of the round rod 13 is fixedly connected to the threaded rod 15, the threaded sleeve 16 is threadedly connected to the threaded sleeve 16, the bottom end of the threaded sleeve 16 is fixedly connected to the movable sleeve 17, the bottom end of the movable sleeve 17 is fixedly connected to the connecting block 18, and a plurality of hinges 20 are fixedly connected to the outer wall of the adjustment sleeve 8. The hinge 20 is hinged with a slow flow plate 21, and a second movable block 22 is fixedly connected to the end surface of the slow flow plate 21 close to the adjustment sleeve 8. A plurality of first movable blocks 19 are fixedly connected to the outer wall of the connecting block 18. The first movable block 19 is rotatably connected to a linkage rod 23, and the other end of the linkage rod 23 is rotatably connected to the second movable block 22. The liquid entering the heat exchanger body 1 is diverted through a plurality of slow flow plates 21, thereby slowing down the speed of the fluid, effectively weakening the impact of the liquid on the tube bundle at the inlet of the heat exchanger body 1, helping to reduce the wear and deformation of the pipeline, protecting the tube bundle from excessive impact, and extending the service life of the heat exchanger tube bundle.
[0026] In an optional embodiment, the outer wall of the connecting tube 6 is fixedly connected to a mounting box 9, a motor 10 is placed inside the mounting box 9, a rotating shaft 11 is rotatably connected to the inner wall of the connecting tube 6, one end of the rotating shaft 11 passes through the inside of the adjusting sleeve 8 and is provided with a first bevel gear 12, and the other end of the rotating shaft 11 passes through the inside of the mounting box 9 and is connected to the output end of the motor 10, a second bevel gear 14 is fixedly connected to the outer wall of the round rod 13, and the second bevel gear 14 is meshed with the first bevel gear 12, and the device drives the rotating shaft 11 and the first bevel gear 12 to rotate by the motor 10, and the first bevel gear 12 is driven by the first The bevel gear 12 and the second bevel gear 14 are meshed with each other to drive the round rod 13 and the threaded rod 15 to rotate, and then drive the threaded sleeve 16, the movable sleeve 17, and the connecting block 18 to move up and down, and then drive a number of first movable blocks 19 to move up and down. With the help of the mutual cooperation of the first movable block 19, the linkage rod 23 and the second movable block 22, the slow flow plate 21 is driven to rotate. By driving the adjustment structure through the motor 10, the angle of the slow flow plate 21 can be automatically adjusted, so that the device can quickly respond to changes in flow rate, maintain the best operating state, reduce manual intervention, and improve operating efficiency.
[0027] The working principle of the utility model is as follows: when in use, the connecting pipe 6 is first installed at the heat exchange liquid inlet 4, and a plurality of slow flow plates 21 are used to divert the liquid entering the heat exchanger body 1, thereby slowing down the speed of the fluid, effectively weakening the impact of the liquid on the tube bundle at the inlet of the heat exchanger body 1, helping to reduce the wear and deformation of the pipeline, protecting the tube bundle from excessive impact, and extending the service life of the heat exchanger tube bundle. When the flow rate of the liquid changes, the motor 10 can be started, and the motor 10 can be used to drive the rotating shaft 11 and the first bevel gear 12 to rotate, and the first bevel gear 12 and the second bevel gear 14 are meshed with each other to drive the round rod 13 and the threaded rod 15 to rotate, thereby driving the threaded sleeve 16, the movable sleeve 17, and the connecting block 18 to move up and down, thereby driving a plurality of first movable blocks 19 to move up and down, and by The first movable block 19, the linkage rod 23 and the second movable block 22 cooperate with each other to drive the slow flow plate 21 to rotate, thereby adjusting the angle of the slow flow plate 21 to adapt it to the fluid characteristics under different flow rates, and by adjusting the angle of the slow flow plate 21, the fluid can form a more uniform flow field around the tube bundle, thereby improving the heat exchange efficiency. The device can realize automatic adjustment of the angle of the slow flow plate 21 through the adjustment structure driven by the motor 10, so that the device can quickly respond to changes in flow rate, maintain the best operating state, reduce manual intervention, and improve operating efficiency. When the liquid flow rate changes, the fluid flow rate can be easily adjusted by adjusting the position or angle of the slow flow plate 21, so that the heat exchanger can maintain the best working state, and when the slow flow plate 21 is damaged, the connecting pipe 6 can be directly removed from the heat exchange liquid inlet 4 for replacement.
[0028] It should be understood that the above specific embodiments of the present invention are used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.
Claims
1. An annular shell and tube heat exchanger, comprising a heat exchanger body (1) and a regulating structure, characterized in that: A heat exchange liquid inlet (4) is fixedly connected to one side of the top of the heat exchanger body (1), a heat exchange liquid outlet (5) is fixedly connected to one side of the bottom of the heat exchanger body (1), a connecting pipe (6) is detachably connected to the upper end of the heat exchange liquid inlet (4), a support plate (7) is fixedly connected to the inside of the connecting pipe (6), and an adjustment structure is fixedly connected to the bottom of the support plate (7); The adjustment structure comprises an adjustment sleeve (8), a round rod (13), a threaded rod (15), a threaded sleeve (16), a movable sleeve (17), a connecting block (18), a first movable block (19), a hinge (20), a slow flow plate (21) and a second movable block (22); the bottom end of the support plate (7) is fixedly connected to the adjustment sleeve (8); the top end of the adjustment sleeve (8) is rotatably connected to the round rod (13); the bottom end of the round rod (13) is fixedly connected to the threaded rod (15); the threaded sleeve (16) is threadedly connected to the threaded rod (15); the bottom end of the threaded sleeve (16) is fixedly connected to the movable sleeve (17); the bottom end of the movable sleeve (17) is fixedly connected to the connecting block (18); a plurality of hinges (20) are fixedly connected to the outer wall of the adjustment sleeve (8); the hinges (20) are hingedly connected to the slow flow plate (21); and the slow flow plate (21) is fixedly connected to the second movable block (22) on one end surface close to the adjustment sleeve (8).
2. The annular shell and tube heat exchanger according to claim 1, characterized in that: A plurality of first movable blocks (19) are fixedly connected to the outer wall of the connecting block (18); the first movable blocks (19) are rotatably connected to a linkage rod (23); and the other end of the linkage rod (23) is rotatably connected to a second movable block (22).
3. The annular shell and tube heat exchanger according to claim 1, characterized in that: An installation box (9) is fixedly connected to the outer wall of the connecting pipe (6), and a motor (10) is placed inside the installation box (9).
4. The annular shell and tube heat exchanger according to claim 1, characterized in that: A rotating shaft (11) is rotatably connected to the inner wall of the connecting tube (6); one end of the rotating shaft (11) passes through the interior of the adjusting sleeve (8) and is provided with a first bevel gear (12); and the other end of the rotating shaft (11) passes through the interior of the mounting box (9) and is connected to the output end of the motor (10).
5. The annular shell and tube heat exchanger according to claim 1, characterized in that: A second bevel gear (14) is fixedly connected to the outer side wall of the round rod (13), and the second bevel gear (14) is meshingly connected to the first bevel gear (12).
6. The annular shell and tube heat exchanger according to claim 1, characterized in that: One end of the heat exchanger body (1) is detachably connected to a pipe box (2), and the bottom of the heat exchanger body (1) is fixedly connected to two support frames (3).