Anti-blocking tubular heat exchanger
By introducing rotary filtration and peeling components into the tube heat exchanger, the problems of scaling and blockage of the inner wall of the pipe are solved, efficient filtration of the heat source and cleaning of the inner wall of the pipe are achieved, ensuring the normal operation of the heat exchanger.
Patent Information
- Application Number
- CN202421126394.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2024-12-27
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing tube heat exchangers are prone to scaling and blocking of the inner wall of the pipe during long-term use, and lack effective filtration and cleaning methods, resulting in a decrease in conveying efficiency.
An anti-blocking tube heat exchanger is designed, using a rotary filter assembly and a rotary peeling assembly, including a toothed ring body, a filter mesh, a cleaning blade, a motor and a driving gear, and the heat source is filtered through the rotary filter assembly. , and the inner wall of the pipe is cleaned by the rotary peeling assembly to ensure the normal delivery of the heat source.
It effectively solves the problems of filter blockage and pipe inner wall scaling, ensures the normal delivery of heat sources and the operation efficiency of heat exchangers.
Smart Images
Figure CN222257844U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat exchangers, in particular to an anti-clogging tubular heat exchanger. Background Art
[0002] A tubular heat exchanger is a common heat exchange device used to transfer heat between two fluids. It consists of a group of tubes, in which one fluid flows inside the tube and the other fluid flows outside the tube. The heat is transferred through heat conduction and convection of the tube wall. The working principle of the tubular heat exchanger is to transfer heat through heat convection and heat conduction. The heat source (such as steam or hot water) flows through the tube, while the cooling medium (such as cold water or air) flows outside the tube. The heat is transferred to the outside of the tube through the tube wall. At the same time, the convection heat transfer of the fluid outside the tube gradually reduces the temperature difference between the two fluids, achieving heat transfer and balance.
[0003] However, the existing tubular heat exchanger has the following problems during use: the inner wall of the pipe used to transport the heat source may be scaled during long-term use, and failure to clean it in time will lead to a decrease in the transportation efficiency of the pipe, and there is a lack of means for filtering the heat source, which may cause blockage for a long time. Therefore, it is necessary to design corresponding technical solutions to solve the existing technical problems. Utility Model Content
[0004] The purpose of the utility model is to provide an anti-clogging tubular heat exchanger, which solves the technical problem that scaling may occur on the inner wall of the pipeline used to transport the heat source during long-term use, and failure to clean it in time will lead to a decrease in the transportation efficiency of the pipeline, and there is a lack of means for filtering the heat source, which may cause blockage for a long time.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-clogging tubular heat exchanger, comprising a heat exchanger shell, a heat source delivery pipe, a mounting plate, a flow guide cover, a rotary filter assembly and a rotary stripping assembly, wherein the interior of the heat exchanger shell is machined to form a heat exchange cavity, the heat source delivery pipe is divided into several groups and is evenly distributed in the heat exchange cavity in a ring shape, the two ends of the heat source delivery pipe are respectively connected to two groups of mounting plates, the two groups of mounting plates are symmetrically mounted on the two ends of the heat exchanger shell, the mounting plate is evenly provided with several groups of flow guide ports, the flow guide cover is located at the outer end of the mounting plate, the flow guide cover located on the left side is provided with a heat source introduction pipe, the flow guide cover located on the right side is provided with a heat source outlet pipe, the rotary filter assembly is installed between the mounting plate and the flow guide cover, a telescopic adjustment frame is also connected below the mounting plate and the flow guide cover, and the rotary stripping assembly is installed on the right side of the flow guide cover;
[0006] The rotary filter assembly comprises a ring body, a filter screen, a cleaning blade, a housing, a motor and a driving gear. The ring body is rotatably arranged between a mounting plate and a shroud and its surface is processed into a toothed structure. The filter screen is built into the ring body. The cleaning blade is mounted on the mounting plate and used in conjunction with the filter screen. The housing is mounted on the shroud. The motor is mounted on the housing and its power output end is connected to the driving gear, which is meshed with the ring body.
[0007] The rotary stripping assembly includes a driving motor, an inner disk, gear one, gear two and stripping blades. The driving motor is installed on the right side of the air guide cover and the power output end is connected to gear one. The gear one is installed at the center of the inner disk. The inner disk is fixed in the left side of the air guide cover. The gear two is divided into several groups and is distributed in a ring shape. Several groups of the gear two are distributed one-to-one with several groups of heat source delivery pipes. The center of the gear two is connected to the stripping blade, and the stripping blade is located in the heat source delivery pipe.
[0008] As a preferred embodiment of the utility model, the telescopic adjustment frame includes a connecting rod, a main tube and a pull rod. The connecting rod is divided into two groups and the upper ends are respectively connected to the mounting plate and the bottom of the air deflector. The main tube is horizontally fixed to the lower end of one group of connecting rods, and the pull rod is horizontally fixed to the lower end of the other group of connecting rods. The pull rod is movably inserted into the main tube.
[0009] As a preferred embodiment of the utility model, the cleaning blades include a plate body and a plurality of groups of soft plug rods formed on the surface of the plate body, the soft plug rods are made of rubber material and have a needle-like structure, and the length of the plate body is equal to the radius of the filter screen.
[0010] As a preferred embodiment of the utility model, the stripping blade includes a cross bar that rotates and penetrates into the heat source delivery pipe and a connecting plate fixed on the cross bar, the outer end of the connecting plate is connected to a scraper, and the outer end of the scraper contacts the inner wall of the heat source delivery pipe.
[0011] As a preferred embodiment of the present invention, the scraper blade is made of metal material and the width of the outer end is smaller than the width of the inner end, and the outer end of the scraper blade is in the shape of a blade.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. This solution optimizes the structure of the tubular heat exchanger. A rotary filter assembly is provided where the heat source enters the tubular heat exchanger, which can filter the incoming heat source and clean the filter screen with the internal stripping plate, solving the problem of filter screen blockage caused by long-term use of the filter screen. In addition, a rotary stripping assembly is provided inside the tubular heat exchanger, which can strip the dirt when scaling occurs on the inner wall of the pipe, thus ensuring the normal transportation of the heat source.
[0014] 2. The tubular heat exchanger designed in this scheme can filter the heat source when it is introduced, and can strip the dirt on the inner wall of the pipe to ensure the normal operation of the tubular heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is the overall structure diagram of the utility model;
[0016] Figure 2 This is the structure diagram of the inner disk of the utility model;
[0017] Figure 3 This is a structural diagram of the peeling blade described in the utility model;
[0018] Figure 4 This is a structural diagram of the cleaning blade described in the utility model.
[0019] In the figure: 1. heat exchanger shell; 2. heat source delivery pipe; 3. mounting plate; 4. deflector; 5. heat exchange chamber; 6. deflector port; 7. heat source inlet pipe; 8. heat source outlet pipe; 9. ring body; 10. filter screen; 11. cleaning blade; 12. shell; 13. motor; 14. drive gear; 15. drive motor; 16. inner plate; 17. gear one; 18. gear two; 19. stripping blade; 20. connecting rod; 21. main cylinder; 22. pull rod; 23. plate body; 24. flexible plug rod; 25. cross bar; 26. connecting plate; 27. scraper. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-4The utility model provides a technical solution: an anti-clogging tubular heat exchanger, comprising a heat exchanger shell 1, a heat source delivery pipe 2, a mounting plate 3, a guide cover 4, a rotary filter assembly and a rotary stripping assembly. The interior of the heat exchanger shell 1 is machined to form a heat exchange cavity 5. The upper left corner of the heat exchanger shell 1 is equipped with a liquid inlet pipe and the lower right corner is equipped with a liquid discharge pipe for introducing and discharging water to absorb heat. The heat source delivery pipe 2 is divided into several groups and is evenly distributed in the heat exchange cavity 5 in a ring shape. Both ends of the heat source delivery pipe 2 They are respectively connected to two groups of mounting plates 3, and the two groups of mounting plates 3 are symmetrically mounted at both ends of the heat exchanger housing 1. A plurality of groups of flow guide ports 6 are evenly opened on the mounting plates 3. The flow guide cover 4 is located at the outer end of the mounting plates 3. A heat source introduction pipe 7 is installed on the flow guide cover 4 on the left side, and a heat source outlet pipe 8 is installed on the flow guide cover 4 on the right side. The rotary filter assembly is installed between the mounting plates 3 and the flow guide cover 4. A telescopic adjustment frame is also connected below the mounting plates 3 and the flow guide cover 4. The rotary stripping assembly is installed on the right flow guide cover 4.
[0022] The rotary filter assembly includes a ring body 9, a filter screen 10, a cleaning blade 11, a shell 12, a motor 13 and a driving gear 14. The ring body 9 is rotatably arranged between the mounting plate 3 and the air guide cover 4 and the surface is processed into a tooth structure. The filter screen 10 is built into the ring body 9, the cleaning blade 11 is installed on the mounting plate 3 and used in conjunction with the filter screen 10, the shell 12 is installed on the air guide cover 4, the motor 13 is installed on the shell and the power output end is connected to the driving gear 14, the driving gear 14 is meshed with the ring body 9, and the heat source is introduced into the heat source pipe 7 through the heat source. After entering the deflector 4, the heat source is first filtered through the filter 10, and the filtered heat source is transported through the heat source transport pipe 2 and heat exchanged in the heat exchange chamber 5. The cooled heat source after heat exchange is discharged from the heat source outlet pipe 8. In addition, when the mesh on the surface of the filter 10 is blocked, the motor 13 can be used to drive the drive gear 14 to rotate. The drive gear 14 drives the ring body 9 and the filter 10 to rotate synchronously during the rotation process. The soft plug 24 acts on the filter hole to achieve the purpose of cleaning the dirt in the filter hole;
[0023] The rotary stripping assembly includes a driving motor 15, an inner disk 16, a gear 17, a gear 2 18 and a stripping blade 19. The driving motor 15 is installed on the right side air guide cover 4 and the power output end is connected to the gear 17. The gear 17 is installed at the center of the inner disk 16. The inner disk 16 is fixed in the left side air guide cover 4. The gear 2 18 is divided into several groups and is distributed in a ring shape. Several groups of gear 2 18 are distributed one-to-one with several groups of heat source conveying pipes 2. The center of the gear 2 18 is connected to the stripping blade 19. The stripping blade 19 is located in the heat source conveying pipe 2. The driving motor 15 drives the gear 17 to rotate. The gear 17 drives the gear 2 18 to rotate during the rotation. The gear 2 18 drives the cross bar 25 during the rotation. The scraper 27 is used to clean the inner wall of the heat source conveying pipe 2 during the rotation.
[0024] Further improvement, such as Figure 1 As shown: the telescopic adjustment frame includes a connecting rod 20, a main cylinder 21 and a pull rod 22. The connecting rod 20 is divided into two groups and the upper ends are respectively connected to the bottom of the mounting plate 3 and the air guide cover 4. The main cylinder 21 is horizontally fixed to the lower end of one group of connecting rods 20, and the pull rod 22 is horizontally fixed to the lower end of the other group of connecting rods 20. The pull rod 22 is movably inserted into the main cylinder 21. The telescopic adjustment frame is convenient for separating the mounting plate 3 and the air guide cover 4, and the dirt filtered inside the rotary filter assembly is discharged.
[0025] Further improvement, such as Figure 4 As shown: the cleaning blade 11 includes a plate body 23 and a plurality of groups of soft plug rods 24 formed on the surface of the plate body 23. The soft plug rods 24 are made of rubber material and have a needle-shaped structure. The length of the plate body 23 is equal to the radius of the filter screen 10. During the rotation of the filter screen 10, the soft plug rods 24 act on the filter holes to achieve the purpose of cleaning the dirt in the filter holes.
[0026] Further improvement, such as Figure 3 As shown: the stripping blade 19 includes a cross bar 25 that rotates and is inserted into the heat source delivery pipe 2 and a connecting plate 26 fixed on the cross bar 25. The outer end of the connecting plate 26 is connected to a scraper 27. The outer end of the scraper 27 contacts the inner wall of the heat source delivery pipe 2. During the rotation of the cross bar 25, the scraper 27 cleans the inner wall of the heat source delivery pipe 2.
[0027] Note: The specification of the stripping blade 19 is much smaller than the inner diameter of the heat source conveying pipe 2, and does not affect the normal heat source conveying of the heat source conveying pipe 2.
[0028] Specifically, the scraper 27 is made of metal material and the width of the outer end is smaller than the width of the inner end. The outer end of the scraper 27 is in the shape of a blade. By rotating the scraper 27 along the inner wall of the heat source transport pipe 2, the inner wall structure of the heat source transport pipe 2 can be stripped and the heat source can be discharged.
[0029] During use: the heat source of the utility model enters the deflector 4 through the heat source introduction pipe 7, and the heat source is first filtered through the filter 10. The filtered heat source is transported through the heat source delivery pipe 2 and heat exchanged in the heat exchange chamber 5. The cooled heat source after heat exchange is discharged from the heat source outlet pipe 8. In addition, when the mesh on the surface of the filter 10 is blocked, the motor 13 can be used to drive the driving gear 14 to rotate. The driving gear 14 drives the ring body 9 and the filter 10 to rotate synchronously during the rotation. The soft plug rod 24 acts on the filter hole to clean the dirt in the filter hole. When scaling occurs inside the heat source delivery pipe 2, the driving motor 15 drives the gear 17 to rotate. The gear 17 drives the gear 2 18 to rotate during the rotation. The gear 2 18 drives the cross bar 25 during the rotation. The scraper 27 cleans the inner wall of the heat source delivery pipe 2 during the rotation.
[0030] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0031] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.
[0032] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.
[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An anti-clogging tubular heat exchanger, characterized in that: The invention comprises a heat exchanger shell (1), a heat source delivery pipe (2), a mounting plate (3), a flow guide cover (4), a rotary filter assembly and a rotary stripping assembly. The interior of the heat exchanger shell (1) is machined to form a heat exchange cavity (5). The heat source delivery pipe (2) is divided into a plurality of groups and is evenly distributed in a ring shape in the heat exchange cavity (5). The two ends of the heat source delivery pipe (2) are respectively connected to two groups of mounting plates (3). The two groups of mounting plates (3) are symmetrically mounted on the two ends of the heat exchanger shell (1). The mounting plates ( 3) is evenly provided with a plurality of groups of guide ports (6), the guide cover (4) is located at the outer end of the mounting plate (3), the guide cover (4) located on the left side is installed with a heat source introduction pipe (7), the guide cover (4) located on the right side is installed with a heat source outlet pipe (8), the rotary filter assembly is installed between the mounting plate (3) and the guide cover (4), a telescopic adjustment frame is further connected below the mounting plate (3) and the guide cover (4), and the rotary stripping assembly is installed on the guide cover (4) on the right side; The rotary filter assembly comprises a ring body (9), a filter screen (10), a cleaning blade (11), a housing (12), a motor (13) and a driving gear (14); the ring body (9) is rotatably arranged between a mounting plate (3) and a flow guide cover (4) and its surface is processed into a toothed structure; the filter screen (10) is built into the ring body (9); the cleaning blade (11) is mounted on the mounting plate (3) and used in conjunction with the filter screen (10); the housing (12) is mounted on the flow guide cover (4); the motor (13) is mounted on the housing and its power output end is connected to the driving gear (14); and the driving gear (14) is meshed with the ring body (9); The rotary stripping assembly comprises a driving motor (15), an inner disk (16), a gear one (17), a gear two (18) and a stripping blade (19). The driving motor (15) is mounted on the right side of the air guide cover (4) and the power output end is connected to the gear one (17). The gear one (17) is mounted at the center of the inner disk (16). The inner disk (16) is fixed in the left side of the air guide cover (4). The gear two (18) is divided into a plurality of groups and is distributed in a ring shape. The plurality of groups of the gear two (18) are distributed in a one-to-one correspondence with the plurality of groups of heat source conveying pipes (2). The center of the gear two (18) is connected to the stripping blade (19), and the stripping blade (19) is located in the heat source conveying pipe (2).
2. The anti-clogging tubular heat exchanger according to claim 1, characterized in that: The telescopic adjustment frame comprises a connecting rod (20), a main tube (21) and a pull rod (22); the connecting rod (20) is divided into two groups and the upper ends are respectively connected to the mounting plate (3) and the bottom of the air deflector (4); the main tube (21) is horizontally fixed to the lower end of one group of the connecting rods (20); the pull rod (22) is horizontally fixed to the lower end of the other group of the connecting rods (20); and the pull rod (22) is movably inserted into the main tube (21).
3. The anti-clogging tubular heat exchanger according to claim 1, characterized in that: The cleaning blade (11) comprises a plate body (23) and a plurality of groups of soft plug rods (24) formed on the surface of the plate body (23); the soft plug rods (24) are made of rubber material and have a needle-like structure; the length of the plate body (23) is equal to the radius of the filter screen (10).
4. The anti-clogging tubular heat exchanger according to claim 1, characterized in that: The stripping blade (19) comprises a cross bar (25) rotatably inserted into the heat source delivery pipe (2) and a connecting plate (26) fixed to the cross bar (25); the outer end of the connecting plate (26) is connected to a scraper (27); the outer end of the scraper (27) contacts the inner wall of the heat source delivery pipe (2).
5. The anti-clogging tubular heat exchanger according to claim 4, characterized in that: The scraper (27) is made of metal material and has an outer end width that is smaller than an inner end width. The outer end of the scraper (27) is in the shape of a blade.