Combined tubular heat exchanger

Abstract

The utility model belongs to the technical field of heat energy conversion, and discloses a combined tubular heat exchanger which comprises a first shell, a second shell is installed on the side face of one end of the first shell, a third shell is installed on the other end face of the first shell, a motor is installed in the third shell in an embedded mode, and the output end of the motor is fixedly connected with a lead screw. A plurality of first sliding grooves are formed in the first shell, a plurality of upper flow guide plates are connected to the surface of the lead screw through threads, a plurality of lower flow guide plates are connected to the surface of the lead screw through threads, and a plurality of first protruding blocks are fixedly connected to the surfaces of the upper flow guide plates and the surfaces of the lower flow guide plates; the guide plate in the heat exchanger is slowly removed through the screw rod, so that the complicated process of replacing the guide plate can be effectively solved, the process of replacing the guide plate is simple and convenient, the time of replacing the guide plate of the heat exchanger is shortened, and the process of replacing the baffle plate is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat energy conversion, and particularly relates to a combined tubular heat exchanger. Background Art

[0002] As a widely used heat exchange device, the tubular heat exchanger has important technical significance in many fields. It utilizes the heat conduction between the fluid inside the tube bundle and the external fluid to achieve the transfer of heat energy. The structural forms of the tubular heat exchanger are diverse, including shell-and-tube type, plate type, pin-tube type, etc. Its selection depends on specific application scenarios and requirements. Due to its high reliability, good efficiency, compact structure and other advantages, the tubular heat exchanger is used in many application fields such as steam boilers, chemical reactors, refrigeration equipment, etc.;

[0003] However, during the process of replacing the internal deflector plate of the traditional tubular heat exchanger, the entire internal device needs to be disassembled to replace the deflector plate. The entire process of disassembly, replacement, and reinstallation takes a long time, which makes the process of replacing the internal deflector plate relatively complex, thus affecting the working efficiency of the entire heat exchanger. Summary of the Utility Model

[0004] In view of the problem that in the prior art, during the process of replacing the internal deflector plate, the entire internal device needs to be disassembled to replace the deflector plate, and the entire process of disassembly, replacement, and reinstallation takes a long time, which makes the process of replacing the internal deflector plate relatively complex, thus affecting the working efficiency of the entire heat exchanger, the utility model proposes the following technical solutions:

[0005] A combined tubular heat exchanger, comprising: a first outer shell, a second outer shell is installed on one end side of the first outer shell, and a third outer shell is installed on the other end face. A motor is embedded in the third outer shell, and a lead screw is fixedly connected to the output end of the motor. A plurality of first chutes are opened inside the first outer shell. A plurality of upper deflector plates are threadedly connected to the surface of the lead screw, and a plurality of lower deflector plates are threadedly connected to the surface of the lead screw at a position one end of the upper deflector plate. A plurality of first bumps are fixedly connected to the surfaces of the upper deflector plate and the lower deflector plate, and the first bumps are slidably connected to the inside of the first chutes.

[0006] Preferably, as the above technical solution, a second baffle is installed on one end of the lead screw surface in the third outer shell by interference fit with a bearing, and a first baffle is rotatably connected to one end of the lead screw surface in the second outer shell. A plurality of holes are opened on the surfaces of the first baffle, the upper deflector plate, and the lower deflector plate.

[0007] Preferably, as the above technical solution, a round hole is opened on the surface of the second baffle, and a heat conduction tube is fixedly connected to the second baffle through the round hole on the surface. The heat conduction tube is slidably connected to the holes inside the first baffle, the upper deflector plate, and the lower deflector plate.

[0008] As a preference of the above technical solution, baffles III are fixedly connected to the outer sides of both ends of the first housing. Slide grooves II are formed inside the baffles III on the surfaces of both ends of the first housing. Baffles III are fixedly installed on the end faces of the first housing that are in contact with the second housing and the third housing and on the outer surfaces of the second housing and the third housing. Protrusions II that fit inside the slide grooves II are fixedly installed inside the baffles III.

[0009] As a preference of the above technical solution, a sealing strip is fixedly connected inside the slide groove II.

[0010] As a preference of the above technical solution, a baffle IV is installed on the outer side of the output shaft of the motor through a bearing, and the baffle IV is fixedly installed inside the third housing.

[0011] The beneficial effects of the present utility model are as follows:

[0012] (1) By using the lead screw to slowly remove the internal flow guiding plate, the complex process of replacing the flow guiding plate can be effectively solved, making the process of replacing the flow guiding plate simple and convenient. Furthermore, the time for replacing the flow guiding plate of the heat exchanger is reduced, thus greatly improving the process of replacing the baffle plate.

[0013] (2) By installing protrusions and slide grooves at the connection of the two housings and installing a sealing strip inside the slide groove, the connection between the two housings can be made more compact. Furthermore, liquid will not flow outside the heat exchanger during the operation of the heat exchanger, thus effectively preventing the leakage of liquid substances during the operation of the heat exchanger. Description of the Drawings

[0014] Figure 1 Shows an overall schematic diagram of a combined tube heat exchanger in Embodiment 1;

[0015] Figure 2 Shows an overall structure diagram of a combined tube heat exchanger in Embodiment 1;

[0016] Figure 3 Shows a structure diagram of a combined tube heat exchanger in Embodiment 1;

[0017] Figure 4 Shows a cross-sectional view of a combined tube heat exchanger in Embodiment 1;

[0018] Figure 5 Shows an internal framework diagram of a combined tube heat exchanger in Embodiment 1;

[0019] Figure 6 Shows an internal structure diagram of a combined tube heat exchanger in Embodiment 1;

[0020] Figure 7Shown is a schematic diagram of area A in Embodiment 1.

[0021] In the figure: 1, outer shell one; 2, outer shell two; 3, outer shell three; 4, lead screw; 5, motor; 6, baffle one; 7, bump one; 8, chute one; 9, bump two; 10, chute two; 11, sealing strip; 12, upper deflector; 13, lower deflector; 14, baffle two; 15, heat conduction tube; 16, baffle three; 17, baffle four. Detailed implementation mode

[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the present utility model will be clearly and completely described below in conjunction with the embodiments.

[0023] Embodiment 1

[0024] The present utility model provides a combined tube heat exchanger, as Figures 1-7 shown, including an outer shell one 1, an outer shell two 2 is installed on the side of one end of the outer shell one 1, and an outer shell three 3 is installed on the other end face. A motor 5 is embedded and installed inside the outer shell three 3. The output end of the motor 5 is fixedly connected to a lead screw 4. A plurality of chutes one 8 are opened inside the outer shell one 1. The surface of the lead screw 4 is threadedly connected with a plurality of upper deflectors 12. The surface of the lead screw 4 is threadedly connected with a plurality of lower deflectors 13 at a position at one end of the upper deflector 12. A plurality of bumps one 7 are fixedly connected to the surfaces of the upper deflector 12 and the lower deflector 13. The bump one 7 is slidably connected inside the chute one 8.

[0025] As Figure 5 and Figure 6 shown, a baffle two 14 is installed on the surface of the lead screw 4 at one end of the outer shell three 3 by interference fit with a bearing, and a baffle one 6 is rotatably connected to the surface of the lead screw 4 at one end of the outer shell two 2. A plurality of holes are opened on the surfaces of the baffle one 6, the upper deflector 12, and the lower deflector 13. When the upper deflector 12 and the lower deflector 13 move, due to the holes opened on the surface, they can pass through the heat conduction tube 15 without being affected by the heat conduction tube 15, effectively solving the problem that the upper deflector 12 and the lower deflector 13 are blocked by the heat conduction tube 15 and cannot move, thereby making the process of replacing the upper deflector 12 and the lower deflector 13 more convenient.

[0026] As Figure 2 , Figure 3 , Figure 5 and Figure 6As shown, round holes are formed on the surface of the second baffle 14. The second baffle 14 is fixedly connected with a heat conduction tube 15 through the round holes on its surface. The heat conduction tube 15 is slidably connected inside the holes of the first baffle 6, the upper guide plate 12, and the lower guide plate 13. When the lead screw 4 rotates, since a bearing is installed in the second baffle 14 with interference fit, the second baffle 14 will not move. Thus, when the lead screw 4 rotates, the second baffle 14 will always limit the inside of the heat conduction tube 15, so that when installing the upper guide plate 12 and the lower guide plate 13, alignment is not required.

[0027] As Figures 1 to 6 shown, baffle plates three 16 are fixedly connected to the outer sides of both ends of the first housing 1. Slide grooves two 10 are formed inside the baffle plates three 16 on the surfaces of both ends of the first housing 1. Baffle plates three 16 are fixedly installed on the end faces of the first housing 1 that are in contact with the second housing 2 and the third housing 3 and on the outer surfaces of the second housing 2 and the third housing 3. Protrusions two 9 that fit inside the slide grooves two 10 are fixedly installed inside the baffle plates three 16. By docking the slide grooves two 10 with the protrusions two 9, the first housing 1 can be quickly docked and installed with the second housing 2 and the third housing 3. Thus, the installation time between the first housing 1 and the second housing 2 and the third housing 3 is reduced, and the installation process between the first housing 1 and the second housing 2 and the third housing 3 becomes faster.

[0028] As Figure 2 , Figure 3 , Figure 4 and 7 shown, a sealing strip 11 is fixedly connected inside the slide groove two 10. When the protrusion two 9 is installed with the slide groove two 10, the protrusion two 9 will squeeze the sealing strip 11. Thus, the sealing performance between the protrusion two 9 and the slide groove two 10 is improved, and the sealing effect at the connection between the first housing 1 and the second housing 2 and the third housing 3 is enhanced.

[0029] As Figure 2 and Figure 6 shown, a baffle plate four 17 is installed on the outer side of the output shaft of the motor 5 through a bearing. The baffle plate four 17 is fixedly installed inside the third housing 3. By protecting the lead screw 4 inside the third housing 3 with the baffle plate four 17, it can effectively prevent the liquid inside the third housing 3 from entering the surface of the motor 5 through the gap. Thus, there will be no liquid inside the motor 5, and the motor 5 can work stably.

[0030] Working principle: When it is necessary to replace the upper deflector 12 and the lower deflector 13, first remove the outer shell two 2 from the surface of the outer shell one 1, and then remove the baffle one 6. At this time, start the motor 5 to drive the lead screw 4 to rotate. The rotation of the lead screw 4 drives the upper deflector 12 and the lower deflector 13 to slowly move in the direction of the baffle one 6. Since there are bumps one 7 on the surfaces of the upper deflector 12 and the lower deflector 13 for positioning, the upper deflector 12 and the lower deflector 13 are smoothly moved out of the interior of the outer shell one 1. Clean the removed upper deflector 12 and lower deflector 13, and install the cleaned upper deflector 12 and lower deflector 13 on the surface of the lead screw 4. At this time, start the motor 5 to make the lead screw 4 rotate in the reverse direction. The reverse rotation of the lead screw 4 drives the upper deflector 12 and the lower deflector 13 to move in the direction of the baffle two 14 inside the outer shell one 1, completing the process of disassembly and replacement. By slowly moving the internal upper deflector 12 and lower deflector 13 out through the lead screw 4, it effectively solves the complex process of replacing the upper deflector 12 and the lower deflector 13, making the process of replacing the upper deflector 12 and the lower deflector 13 simple and convenient. Furthermore, it reduces the time for the heat exchanger to replace the upper deflector 12 and the lower deflector 13, thus greatly improving the process of replacing the upper deflector 12 and the lower deflector 13;

[0031] By installing the bump two 9 inside the chute two 10 and fixing the bump two 9 and the chute two 10, the bump two 9 can squeeze the sealing strip 11, which can make the installation between the outer shell one 1, the outer shell two 2 and the outer shell three 3 more tight. By installing the bump two 9 and the chute two 10 at the connection of the two outer shells and installing the sealing strip 11 inside the chute 10, the connection between the two outer shells can be made more tight. Furthermore, during the operation of the heat exchanger, liquid will not flow into the outside of the heat exchanger, thus effectively preventing the leakage of liquid substances during the operation of the heat exchanger.

[0032] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.

Claims

1. A combined tube heat exchanger, characterized in that: include: A shell one (1), a shell two (2) is mounted on the side surface of one end of the shell one (1), and a shell three (3) is mounted on the other end surface, a motor (5) is embedded and mounted inside the shell three (3), an output end of the motor (5) is fixedly connected to a screw rod (4), a plurality of slide grooves (8) are provided inside the shell one (1), a surface of the screw rod (4) is connected to a plurality of upper guide plates (12) by threads, a surface of the screw rod (4) is located at one end of the upper guide plate (12) and is connected to a plurality of lower guide plates (13) by threads, a plurality of protrusions (7) are fixedly connected to the surfaces of the upper guide plate (12) and the lower guide plate (13), and the protrusions (7) are slidably connected to the inside of the slide groove (8).

2. A combined tube heat exchanger according to claim 1, characterized in that: The surface of the screw rod (4) is located at one end of the housing three (3) and is mounted with a baffle plate two (14) through a bearing interference fit. The surface of the screw rod (4) is located at one end of the housing two (2) and is rotatably connected with a baffle plate one (6). The surfaces of the baffle plate one (6), the upper guide plate (12) and the lower guide plate (13) are all provided with a plurality of holes.

3. A combined tube heat exchanger according to claim 2, characterized in that: A circular hole is provided on the surface of the second baffle plate (14), and a heat conducting pipe (15) is fixedly connected to the second baffle plate (14) through the circular hole on the surface. The heat conducting pipe (15) is slidably connected to the inside of the holes of the first baffle plate (6), the upper guide plate (12), and the lower guide plate (13).

4. The combined tube heat exchanger according to claim 2, characterized in that: The outer sides of both ends of the shell one (1) are fixedly connected with baffle three (16), and the baffle three (16) on the surfaces of both ends of the shell one (1) are provided with slide grooves two (10) inside. The end surface of the shell one (1) that fits with the shell two (2) and the shell three (3) and the outer surfaces of the shell two (2) and the shell three (3) are fixedly installed with baffle three (16), and the inside of the baffle three (16) is fixedly installed with protrusions two (9) that fit with the inside of the slide grooves two (10).

5. A combined tube heat exchanger according to claim 4, characterized in that: A sealing strip (11) is fixedly connected inside the second slide groove (10).

6. The combined tube heat exchanger according to claim 1, characterized in that: A baffle plate four (17) is installed on the outer side of the output shaft of the motor (5) via a bearing, and the baffle plate four (17) is fixedly installed inside the housing three (3).

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