Self-cleaning spiral winding pipe type heat exchanger

Abstract

The utility model discloses a self-cleaning spiral winding pipe type heat exchanger which comprises a shell, a plurality of sets of spiral heat exchange pipes are arranged in the shell, a driving motor is arranged on one side of the bottom of the shell, an ultrasonic descaling device is arranged on one side of the inner wall of the shell, and a medium inlet pipeline and a medium outlet pipeline are arranged on one side of the shell in a penetrating mode. By means of the structure, the rotary joints are arranged at the two ends of the spiral heat exchange tubes and connected with the tube plates, the flat keys are arranged at one ends of the rotary joints and connected with the second gears, the output end of the driving motor is connected with the first gears, and the first gears are meshed with the second gears, so that all the spiral heat exchangers can rotate uniformly and consistently, and smoke is disturbed to better absorb heat; the medium inlet and outlet pipeline is provided with a second flow adjusting valve and a first flow adjusting valve, the medium flow can be accurately adjusted, the heat exchange process is optimized, and the smoke outlet pipeline is provided with a temperature sensor for monitoring the temperature.

Description

Technical Field

[0001] This utility model relates to the field of self-cleaning heat exchanger technology, and in particular to a self-cleaning spiral wound tube heat exchanger. Background Technology

[0002] A heat exchanger is a device that transfers high-temperature energy to a low-temperature region through a heat-absorbing medium, enabling heat transfer between two substances. Heat exchangers are used in many industries. With the expansion of application areas, there is a need for more efficient, compact, and durable heat exchange equipment, so a self-cleaning spiral wound tube heat exchanger is required.

[0003] When using a self-cleaning spiral wound tube heat exchanger, existing technologies generally involve winding multiple spiral heat exchange tubes together. This makes it difficult to repair damaged heat exchange tubes and results in an unsatisfactory heat exchange effect. Utility Model Content

[0004] The purpose of this invention is to provide a self-cleaning spiral wound tube heat exchanger, which features a spiral heat exchange tube that is easy to maintain and replace, allowing the medium to flow dynamically within the heat exchange tube, further promoting heat transfer, and enabling a clear understanding and evaluation of the heat exchange effect.

[0005] To achieve the above objectives, a self-cleaning spiral wound tube heat exchanger is provided, comprising a shell, inside which multiple sets of spiral heat exchange tubes are arranged, a drive motor is located on one side of the bottom of the shell, an ultrasonic descaling device is provided on one side of the inner wall of the shell, and a medium inlet pipe and a medium outlet pipe are provided through one side of the shell.

[0006] According to the self-cleaning spiral wound tube heat exchanger, the spiral heat exchange tube is provided with a rotary joint at both ends, the rotary joint is connected to the tube sheet, the rotary joint is provided with a flat key, and the rotary joint is connected to a second gear through the flat key.

[0007] According to the self-cleaning spiral wound tube heat exchanger, a guide rod is provided in the middle of the spiral heat exchange tube, and the two ends of the guide rod are fixed to the inner wall of the shell.

[0008] According to the self-cleaning spiral wound tube heat exchanger, the medium inlet pipe and the medium outlet pipe are respectively provided with a second flow regulating valve and a first flow regulating valve on the inner wall of the shell, and the second flow regulating valve and the first flow regulating valve are connected to the tube sheet.

[0009] According to the self-cleaning spiral wound tube heat exchanger, the output end of the drive motor is connected to a first gear, and the first gear meshes with a plurality of second gears.

[0010] According to the self-cleaning spiral wound tube heat exchanger, a flue gas inlet pipe is provided at the bottom of the shell, a flue gas outlet pipe is provided at the top of the shell, and a temperature sensor is provided in the flue gas outlet pipe.

[0011] According to the self-cleaning spiral wound tube heat exchanger, two flanges are provided at the interface of the outer wall of the shell, a sealing ring is provided between the flanges, and the sealing ring is fixed by bolts on the flanges.

[0012] Beneficial effects:

[0013] 1. The drive motor drives the first gear, which in turn drives multiple second gears. The second gears are connected to a rotary joint via a key, and the rotary joint is connected to the spiral heat exchange tube. The synchronous drive of the drive motor to multiple sets of spiral heat exchange tubes ensures that all heat exchange tubes can rotate uniformly and consistently. The rotatable spiral heat exchange tubes allow the fluid to form a dynamic flow inside the tubes, further promoting heat transfer. The individual rotating spiral heat exchange tubes facilitate maintenance and replacement.

[0014] 2. The medium inlet pipe and the medium outlet pipe are respectively equipped with a second flow regulating valve and a first flow regulating valve, which can accurately adjust the medium flow according to actual needs, optimize the heat exchange process, and achieve the best heat exchange effect. The flue gas outlet pipe is equipped with a temperature sensor to monitor the temperature and evaluate the heat exchange effect of the heat exchanger and the flue gas treatment effect.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a perspective view of a self-cleaning spiral wound tube heat exchanger proposed in this utility model;

[0018] Figure 2 This is a cross-sectional view of a self-cleaning spiral wound tube heat exchanger proposed in this utility model;

[0019] Figure 3 This is a schematic diagram of the bottom structure of a self-cleaning spiral wound tube heat exchanger proposed in this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the second gear of a self-cleaning spiral wound tube heat exchanger proposed in this utility model.

[0021] Legend:

[0022] 1. Ultrasonic descaling device; 2. First gear; 3. Drive motor; 4. First flow regulating valve; 5. Second flow regulating valve; 6. Temperature sensor; 7. Spiral heat exchange tube; 8. Guide rod; 9. Tube sheet; 10. Rotary joint; 11. Second gear; 12. Shell; 13. Medium inlet pipe; 14. Flue gas inlet pipe; 15. Flue gas outlet pipe; 16. Bolt; 17. Flange; 18. Sealing ring; 19. Medium outlet pipe; 20. Flat key. Detailed Implementation

[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0024] Reference Figure 1-4 This utility model provides a self-cleaning spiral wound tube heat exchanger, which includes a shell 12, multiple sets of spiral heat exchange tubes 7 are arranged inside the shell 12, a drive motor 3 is located on one side of the bottom of the shell 12, an ultrasonic descaling device 1 is arranged on one side of the inner wall of the shell 12, and a medium inlet pipe 13 and a medium outlet pipe 19 are arranged through one side of the shell 12.

[0025] Rotary joints 10 are provided at both ends of the spiral heat exchange tube 7. The rotary joints 10 are connected to the tube sheet 9. The rotary joints 10 are provided with flat keys 20. The rotary joints 10 are connected to the second gear 11 through the flat keys 20. The rotary joints 10 connect the two ends of the spiral heat exchange tube 7 to the tube sheet 9 and allow the spiral heat exchange tube 7 to rotate around the guide rod 8 under the drive of the drive motor 3.

[0026] A guide rod 8 is provided in the middle of the spiral heat exchange tube 7. The two ends of the guide rod 8 are fixed to the inner wall of the shell 12. The guide rod 8 provides a stable rotation center for the spiral heat exchange tube 7.

[0027] The medium inlet pipe 13 and the medium outlet pipe 19 are respectively provided with a second flow regulating valve 5 and a first flow regulating valve 4 on the inner wall of the shell 12. The second flow regulating valve 5 and the first flow regulating valve 4 are connected to the tube sheet 9. The heat exchange effect and operating efficiency of the heat exchanger can be controlled by adjusting the opening degree of the first flow regulating valve 4 and the second flow regulating valve 5.

[0028] The output end of the drive motor 3 is connected to the first gear 2, and the first gear 2 is engaged with multiple second gears 11.

[0029] A flue gas inlet pipe 14 is provided at the bottom of the shell 12, and a flue gas outlet pipe 15 is provided at the top of the shell 12. A temperature sensor 6 is provided in the flue gas outlet pipe 15. The temperature sensor 6 monitors the temperature of the flue gas outlet pipe 15 above the heat exchanger to evaluate the heat exchange effect and exhaust gas treatment effect of the heat exchanger.

[0030] Two flanges 17 are provided at the interface of the outer wall of the housing 12, and a sealing ring 18 is provided between the flanges 17. Bolts 16 are provided on the flanges 17 to fix the sealing ring 18.

[0031] Working principle: Flue gas enters the heat exchanger through the flue gas inlet pipe 14 at the bottom of the shell 12. Multiple sets of spiral heat exchange tubes 7 are installed inside the shell 12. A guide rod 8 is installed in the middle of each spiral heat exchange tube 7. The guide rod 8 is fixed at both ends to the inner walls at both ends of the shell 12. Both ends of the spiral heat exchange tubes 7 are connected to rotary joints 10, which are connected to tube sheets 9. Tube sheets 9 are connected to a second flow regulating valve 5, which is connected to the medium inlet pipe 13. A key 20 is installed on the rotary joint 10, connecting to a second gear 11. The second gear 11 meshes with a first gear 2. The output end of a drive motor 3 installed at the bottom of the shell 12 is connected to the first gear 2. The drive motor 3 controls the flow of multiple... The synchronous drive of the spiral heat exchange tubes 7 ensures that all heat exchange tubes can rotate uniformly and consistently, so that the fluid forms a dynamic flow when flowing in the tubes to accelerate heat exchange. The heat-exchanged medium is input to the upper tube sheet 9, and the bottom tube sheet 9 is connected to the first flow regulating valve 4. The first flow regulating valve 4 is connected to the medium outlet pipe 19 to output the high-temperature medium. After heat exchange, the flue gas is discharged from the flue gas outlet pipe 15. The flue gas outlet pipe 15 is equipped with a temperature sensor 6. An ultrasonic descaling device 1 is installed on one side inside the shell 12. The external interfaces of the shell 12 are equipped with two flanges 17, and a sealing ring 18 is installed between the flanges 17 and fixed by bolts 16.

[0032] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A self-cleaning spiral wound pipe heat exchanger comprising a shell (12) characterised in that: The shell (12) is internally provided with multiple groups of spiral heat exchange pipes (7), one side of the bottom of the shell (12) is provided with a driving motor (3), one side of the inner wall of the shell (12) is provided with an ultrasonic descaling device (1), and one side of the shell (12) is provided with a medium inlet pipeline (13) and a medium outlet pipeline (19).

2. A self-cleaning spiral wound pipe heat exchanger according to claim 1, characterized in that Both ends of the spiral heat exchange pipe (7) are provided with a rotary joint (10), the rotary joint (10) is connected with a tube plate (9), the rotary joint (10) is provided with a flat key (20), and the rotary joint (10) is connected with a second gear (11) through the flat key (20).

3. A self-cleaning spiral wound pipe heat exchanger according to claim 1, wherein, The spiral heat exchange pipe (7) is provided with a guide rod (8) in the middle, and both ends of the guide rod (8) are fixed to the inner wall of the shell (12).

4. A self-cleaning spiral wound pipe heat exchanger according to claim 1, wherein, The medium inlet pipeline (13) and the medium outlet pipeline (19) are respectively provided with a first flow regulating valve (4) and a second flow regulating valve (5) on the inner wall of the shell (12), and the first flow regulating valve (4) and the second flow regulating valve (5) are connected with the tube plate (9).

5. A self-cleaning spiral wound pipe heat exchanger according to claim 1, wherein, The driving motor (3) is connected with a first gear (2) at the output end, and the first gear (2) is engaged with multiple second gears (11).

6. A self-cleaning spiral wound pipe heat exchanger according to claim 1, wherein, The bottom of the shell (12) is provided with a flue gas inlet pipeline (14), the top of the shell (12) is provided with a flue gas outlet pipeline (15), and the flue gas outlet pipeline (15) is provided with a temperature sensor (6).

7. A self-cleaning spiral wound pipe heat exchanger according to claim 1, wherein, Two flanges (17) are arranged at the interface of the outer wall of the shell (12), a sealing ring (18) is arranged between the flanges (17), and bolts (16) are arranged on the flanges (17) to fix the sealing ring (18).

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