Geothermal heat exchanger convenient for descaling

Abstract

The geothermal heat exchanger comprises a water inlet tank, an exchange pipe and a water drainage tank, inner cavities of the water drainage tank and the water inlet tank are movably connected with cleaning threaded rods through bearings, the left sides of the cleaning threaded rods are fixedly connected with belt wheels, and the outer sides of the belt wheels are sleeved with synchronous belts. The right end of the outer surface of the cleaning threaded rod is in threaded connection with a moving block, a first scraping piece is arranged on the outer side of the moving block, a lifting motor is fixedly installed at the middle end of the rear side of the water inlet tank, the output end of the lifting motor is fixedly connected with a lifting threaded rod, and the lower end of the outer surface of the lifting threaded rod is in threaded connection with a moving plate. And the front surface of the moving plate is fixedly connected with a movable plate. The inner wall of the heat exchange tube can be quickly cleaned, water scale can be conveniently cleaned by people, and the heat exchanger is simple in structure, convenient to use and beneficial for people to use.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a geothermal heat exchanger which is convenient for descaling. Background Art

[0002] Heat exchanger is a device that transfers part of the heat of hot fluid to cold fluid, also known as heat exchanger. Heat exchanger plays an important role in chemical, petroleum, power, food and many other industrial production. In chemical production, heat exchanger can be used as heater, cooler, condenser, evaporator and reboiler, etc., and is widely used.

[0003] At present, after the existing geothermal heat exchanger has been used for a period of time, a large amount of scale is likely to solidify inside the heat exchanger. The scale inside the heat exchanger brings inconvenience to people's cleaning. Therefore, we propose a geothermal heat exchanger that is easy to remove scale. Utility Model Content

[0004] The purpose of the utility model is to provide a geothermal heat exchanger that is easy to remove scale. The utility model has the advantage of being easy to remove scale and solves the problem that after the existing geothermal heat exchanger has been used for a period of time, a large amount of scale is easily solidified inside the heat exchanger, and the scale is located inside the heat exchanger, which brings inconvenience to people's cleaning.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a geothermal heat exchanger that is easy to remove scale, comprising a water inlet box, an exchange tube and a drainage box, the inner cavities of the drainage box and the water inlet box are both movably connected with a cleaning threaded rod through a bearing, the left side of the cleaning threaded rod is fixedly connected with a pulley, the outer side of the pulley is sleeved with a synchronous belt, the right end of the outer surface of the cleaning threaded rod is threadedly connected with a moving block, the outer side of the moving block is provided with a first scraper, a lifting motor is fixedly installed at the middle end of the rear side of the water inlet box, the output end of the lifting motor is fixedly connected with a lifting threaded rod, the lower end of the outer surface of the lifting threaded rod is threadedly connected with a moving plate, the front surface of the moving plate is fixedly connected with a movable plate, the inner side of the movable plate is provided with a second magnetic ring, the inner side of the second magnetic ring is provided with a protective spacer, the lower end of the inner cavity of the exchange tube is provided with a movable disk, the outer side of the movable disk is provided with a first magnetic ring, and the outer side of the first magnetic ring is provided with a second scraper.

[0006] Preferably, liquid inlet pipes are provided at both left and right ends of the front surface of the water inlet tank, and an exchange tube is fixedly connected to the top of the water inlet tank.

[0007] Preferably, a drainage box is fixedly connected to the top of the exchange tube, and drainage pipes are provided at both left and right ends of the front surface of the drainage box.

[0008] Preferably, the first scraper blade is adapted to the inner cavities of both the drainage box and the water inlet box, and the two first scrapers are respectively fitted to the inner walls of the drainage box and the water inlet box.

[0009] Preferably, a cleaning motor is fixedly installed on the right side of the water inlet tank, and the output end of the cleaning motor is fixedly connected to the cleaning threaded rod.

[0010] Preferably, a through hole adapted to the exchange tube is opened on the inner surface of the movable plate, and the movable plate slides on the outer surface of the exchange tube through the through hole.

[0011] Preferably, the first magnetic ring is located inside the second magnetic ring, and the first magnetic ring and the second magnetic ring are arranged to attract each other.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model can realize rapid cleaning of the inner wall of the heat exchange tube, which is convenient for people to clean scale, and has a simple structure and is easy to use, thus being beneficial for people to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model from the first perspective;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model from a third viewing angle;

[0017] Figure 4 It is a schematic diagram of the matching structure of the movable plate and the movable disk of the utility model.

[0018] In the figure: 1. water inlet tank; 2. movable plate; 3. pulley; 4. synchronous belt; 5. exchange pipe; 6. drainage tank; 7. drainage pipe; 8. inlet pipe; 9. lifting threaded rod; 10. movable plate; 11. lifting motor; 12. cleaning motor; 13. cleaning threaded rod; 14. first scraper; 15. moving block; 16. second scraper; 17. movable disk; 18. first magnetic ring; 19. protective spacer; 20. second magnetic ring. DETAILED DESCRIPTION

[0019] 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.

[0020] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] The water inlet box 1, movable plate 2, pulley 3, synchronous belt 4, exchange pipe 5, drainage box 6, drain pipe 7, inlet pipe 8, lifting threaded rod 9, movable plate 10, lifting motor 11, cleaning motor 12, cleaning threaded rod 13, first scraper 14, moving block 15, second scraper 16, movable disk 17, first magnetic ring 18, protective spacer 19 and second magnetic ring 20 components of the present application are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. Embodiment 1

[0023] See also Figure 1-Figure 4As shown, the utility model provides a technical solution: a geothermal heat exchanger that is easy to remove scale, including a water inlet tank 1, an exchange tube 5 and a drainage box 6, the inner cavities of the drainage box 6 and the water inlet tank 1 are both movably connected with a cleaning threaded rod 13 through a bearing, the left side of the cleaning threaded rod 13 is fixedly connected with a pulley 3, the outer side of the pulley 3 is sleeved with a synchronous belt 4, the right end of the outer surface of the cleaning threaded rod 13 is threadedly connected with a moving block 15, the outer side of the moving block 15 is provided with a first scraper 14, and the middle end of the rear side of the water inlet tank 1 is fixedly connected with a pulley 3, and the outer side of the pulley 3 is sleeved with a synchronous belt 4. A lifting motor 11 is fixedly installed, and a lifting threaded rod 9 is fixedly connected to the output end of the lifting motor 11, and a movable plate 10 is threadedly connected to the lower end of the outer surface of the lifting threaded rod 9, and a movable plate 2 is fixedly connected to the front surface of the movable plate 10, and a second magnetic ring 20 is arranged on the inner side of the movable plate 2, and a protective spacer 19 is arranged on the inner side of the second magnetic ring 20, and a movable disk 17 is arranged at the lower end of the inner cavity of the exchange tube 5, and a first magnetic ring 18 is arranged on the outer side of the movable disk 17, and a second scraper 16 is arranged on the outer side of the first magnetic ring 18;

[0024] Among them, liquid inlet pipes 8 are arranged at both ends of the front surface of the water inlet tank 1, and an exchange tube 5 is fixedly connected to the top of the water inlet tank 1;

[0025] The top of the exchange tube 5 is fixedly connected with a drainage box 6, and drainage pipes 7 are arranged at both left and right ends of the front surface of the drainage box 6;

[0026] The first scraper blade 14 is adapted to the inner cavity of the drainage box 6 and the water inlet box 1, and the two first scrapers 14 are respectively fitted to the inner wall of the drainage box 6 and the water inlet box 1;

[0027] Among them, a cleaning motor 12 is fixedly installed on the right side of the water inlet tank 1, and the output end of the cleaning motor 12 is fixedly connected to the cleaning threaded rod 13.

[0028] After the heat exchanger is powered on through an external power socket, when the heat exchanger needs to be cleaned, cleaning liquid is injected into the water inlet tank 1, the exchange tube 5 and the drainage tank 6 through the liquid inlet pipe 8, and the cleaning motor 12 is turned on by the external controller, and with the assistance of the pulley 3 and the synchronous belt 4, the cleaning threaded rod 13 can be driven to rotate, so that the moving block 15 moves left and right on the outer surface of the cleaning threaded rod 13, and the moving block 15 drives the first scraper 14 to clean the inner walls of the water inlet tank 1 and the drainage tank 6 respectively. At the same time, the lifting motor 11 is turned on by the external controller to drive the lifting threaded rod 9 to rotate, so that the moving plate 10 moves up and down on the outer surface of the lifting threaded rod 9, and when the moving plate 10 drives the movable plate 2 to slide on the outside of the exchange tube 5, the protective spacer 19 ensures the aesthetics of the surface of the exchange tube 5. Embodiment 2

[0029] On the basis of embodiment 1, the utility model is as follows Figure 2-Figure 4As shown, it is disclosed that the inner surface of the movable plate 2 is provided with a through hole adapted to the exchange tube 5, and the movable plate 2 slides on the outer surface of the exchange tube 5 through the through hole;

[0030] The first magnetic ring 18 is located inside the second magnetic ring 20 , and the first magnetic ring 18 and the second magnetic ring 20 are arranged to attract each other.

[0031] In the present technical solution, when the movable plate 2 moves, the second magnetic ring 20 can attract the first magnetic ring 18 to follow the movement, thereby making the movable plate 17 and the second scraper 16 move up and down in the inner cavity of the exchange tube 5, thereby achieving the ability to clean the inner wall of the exchange tube 5.

[0032] Working principle: After the heat exchanger is powered on through the external power socket, when it is necessary to clean the heat exchanger, the cleaning liquid is injected into the water inlet tank 1, the exchange tube 5 and the drainage tank 6 through the liquid inlet pipe 8, and the cleaning motor 12 is turned on by the external controller, and with the assistance of the pulley 3 and the synchronous belt 4, the cleaning threaded rod 13 can be driven to rotate, so that the moving block 15 moves left and right on the outer surface of the cleaning threaded rod 13, and the moving block 15 drives the first scraper 14 to clean the inner walls of the water inlet tank 1 and the drainage tank 6 respectively. At the same time, the lifting motor 11 is turned on by the external controller to drive the lifting threaded rod 9 to rotate, so that the movable plate 10 moves up and down on the outer surface of the lifting threaded rod 9, and when the movable plate 10 drives the movable plate 2 to slide on the outside of the exchange tube 5, the protective spacer 19 ensures the aesthetics of the surface of the exchange tube 5, and when the movable plate 2 moves, the second magnetic ring 20 can attract the first magnetic ring 18 to follow the movement, so that the movable disk 17 and the second scraper 16 move up and down in the inner cavity of the exchange tube 5, thereby realizing the ability to clean the inner wall of the exchange tube 5.

[0033] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0034] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those features that are not relevant to implementing the invention).

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A geothermal heat exchanger that is easy to remove scale, comprising a water inlet tank (1), an exchange tube (5) and a water discharge tank (6), characterized in that: The inner cavities of the drainage box (6) and the water inlet box (1) are both movably connected to a cleaning threaded rod (13) via a bearing, the left side of the cleaning threaded rod (13) is fixedly connected to a pulley (3), the outer side of the pulley (3) is sleeved with a synchronous belt (4), the right end of the outer surface of the cleaning threaded rod (13) is threadedly connected to a moving block (15), the outer side of the moving block (15) is provided with a first scraper (14), a lifting motor (11) is fixedly installed at the middle end of the rear side of the water inlet box (1), and the output end of the lifting motor (11) is fixedly connected to A lifting threaded rod (9), wherein the lower end of the outer surface of the lifting threaded rod (9) is threadedly connected to a movable plate (10), the front surface of the movable plate (10) is fixedly connected to a movable plate (2), a second magnetic ring (20) is arranged on the inner side of the movable plate (2), a protective spacer (19) is arranged on the inner side of the second magnetic ring (20), a movable disk (17) is arranged at the lower end of the inner cavity of the exchange tube (5), a first magnetic ring (18) is arranged on the outer side of the movable disk (17), and a second scraper (16) is arranged on the outer side of the first magnetic ring (18).

2. A geothermal heat exchanger that is easy to remove scale according to claim 1, characterized in that: Liquid inlet pipes (8) are provided at both left and right ends of the front surface of the water inlet box (1), and an exchange pipe (5) is fixedly connected to the top of the water inlet box (1).

3. A geothermal heat exchanger that is easy to remove scale according to claim 1, characterized in that: The top of the exchange tube (5) is fixedly connected to a drainage box (6), and drainage pipes (7) are provided at both left and right ends of the front surface of the drainage box (6).

4. A geothermal heat exchanger that is easy to remove scale according to claim 1, characterized in that: The first scraper blade (14) is compatible with the inner cavities of the drainage box (6) and the water inlet box (1), and the two first scrapers (14) are respectively fitted with the inner walls of the drainage box (6) and the water inlet box (1).

5. The geothermal heat exchanger that is easy to remove scale according to claim 1, characterized in that: A cleaning motor (12) is fixedly mounted on the right side of the water inlet tank (1), and an output end of the cleaning motor (12) is fixedly connected to a cleaning threaded rod (13).

6. The geothermal heat exchanger for easy descaling according to claim 1, characterized in that: The inner surface of the movable plate (2) is provided with a through hole adapted to the exchange tube (5), and the movable plate (2) slides on the outer surface of the exchange tube (5) through the through hole.

7. The geothermal heat exchanger for easy descaling according to claim 1, characterized in that: The first magnetic ring (18) is located on the inner side of the second magnetic ring (20), and the first magnetic ring (18) and the second magnetic ring (20) are arranged to attract each other.

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