CN217236549U

CN217236549U - Shell type heat exchanger for enhancing heat transfer

Info

Publication number: CN217236549U
Application number: CN202220926144.XU
Authority: CN
Inventors: 吴寅; 刘莺歌; 石正平
Original assignee: Funke Heat Exchanger Systems Changzhou Co ltd
Current assignee: Funke Heat Exchanger Systems Changzhou Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-19
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a shell formula heat exchanger of intensive heat transfer, which comprises a housin, be connected with the heat-transfer pipe that is used for liquid to conduct heat in the casing, the heat-transfer pipe is connected with the baffling board that is used for the heat-transfer pipe to support, useful water inlet is connected at the top of casing, the inside of water inlet, the afterbody of casing all are connected with the rotary mechanism that is used for stirring liquid. The utility model discloses a be provided with rotary mechanism, rotary mechanism includes the mount, rotating vane, the rotating head, the connecting axle, it is internal from the water inlet entering casing to work as liquid, and loop through flow channel one, flow channel two is when the outlet is discharged, liquid can drive rotating vane's rotation, the realization is to the stirring of liquid, make the liquid in the casing take place the disturbance, reach the effect of reinforceing the heat transfer, therefore, the clothes hanger is strong in practicability, and flow channel one, two-layer heat transfer channel about flow channel two form, cold liquid is through dual heat transfer in the casing, further improve heat exchange efficiency.

Description

Shell type heat exchanger for enhancing heat transfer

Technical Field

The utility model relates to a heat exchanger technical field specifically is a shell formula heat exchanger of intensive heat transfer.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called a heat exchanger. The heat exchanger is a universal device in chemical industry, petroleum industry, power industry, food industry and other industrial departments, and plays an important role in production. The heat exchanger can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical production, and is more widely applied. The shell type heat exchanger is one of the heat exchangers, and is a dividing wall type heat exchanger which takes the wall surface of a tube bundle sealed in a shell as a heat transfer surface.

When the existing shell type heat exchanger is used, the heat exchange efficiency is low, and the practicability needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell formula heat exchanger of intensive heat transfer, the liquid that possesses in the messenger's casing takes place the disturbance, reaches the advantage of intensifying the heat transfer effect, has solved the heat exchange efficiency low, and the practicality remains the problem that improves.

In order to achieve the above object, the utility model provides a following technical scheme: the shell type heat exchanger comprises a shell, wherein a heat transfer pipe for liquid heat transfer is connected in the shell, the heat transfer pipe is connected with a baffle plate for supporting the heat transfer pipe, a water inlet is connected to the top of the shell, and a rotating mechanism for stirring liquid is connected to the inside of the water inlet and the tail of the shell.

Preferably, the rotating mechanism comprises a fixing frame, rotating blades, a rotating head and a connecting shaft, the rotating blades are fixed on the rotating head, one end of the connecting shaft is fixedly connected with the rotating head, and the other end of the connecting shaft is movably connected with the fixing frame.

Preferably, the other end of the connecting shaft is connected to the fixing frame through a bearing.

Preferably, a first flow passage and a second flow passage are arranged in the shell, a partition plate is fixed at the center of the interior of the shell, and the partition plate is used for partitioning the first flow passage and the second flow passage.

Preferably, the head of casing is fixed with the head, be provided with cushion chamber, drainage chamber in the head, the baffle is used for separating cushion chamber, drainage chamber, install porous baffle in the head, the both ends of heat-transfer pipe all link to each other with porous baffle, the baffle links to each other with porous baffle is fixed.

Preferably, the end socket is connected with a first interface and a second interface, the first interface corresponds to the buffer cavity, and the second interface corresponds to the drainage cavity.

Preferably, the bottom of the shell is connected with a water outlet, and the water outlet corresponds to the water inlet.

Preferably, the inner wall of the water inlet is provided with a spiral surface.

Preferably, the rotating blade at the tail of the shell faces the liquid discharge direction of the first flow channel, and the rotating blade in the water inlet faces the opening direction of the water inlet.

Preferably, the baffle plates are uniformly provided with fixing holes for fixing the heat transfer pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a be provided with rotary mechanism, rotary mechanism includes the mount, rotating vane, the rotating head, the connecting axle, in liquid gets into the casing from the water inlet, and loop through flow channel one, flow channel two is when the outlet is discharged, liquid can drive rotating vane's rotation, realize the stirring to liquid, make the liquid in the casing take place the disturbance, reach the effect of intensive heat transfer, therefore, the clothes hanger is strong in practicability, and flow channel one, two-layer heat transfer passageway about flow channel two forms, cold liquid is through dual heat transfer in the casing, further improve heat exchange efficiency.

Drawings

Fig. 1 is a schematic view of the shell structure of the present invention;

fig. 2 is a schematic structural view of a rotating mechanism of the present invention;

fig. 3 is a schematic view of the baffle plate structure of the present invention.

In the figure: 1. a housing; 2. sealing the end; 3. a first flow channel; 4. a second flow channel; 5. an interface I; 6. a porous baffle; 7. a water inlet; 8. a heat transfer tube; 9. a baffle plate; 10. a partition plate; 11. a buffer chamber; 12. a drainage cavity; 13. interface two; 14. a water discharge port; 15. a support; 16. a rotation mechanism; 17. a fixed mount; 18. a helicoid; 19. a rotating blade; 20. rotating the head; 21. a connecting shaft; 22. a bearing; 23. and (7) fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 to 3, the utility model provides a shell type heat exchanger for strengthening heat transfer, including the casing 1, casing 1 in-connection has the heat-transfer pipe 8 that is used for liquid heat transfer, and heat-transfer pipe 8 is connected with the baffling board 9 that is used for heat-transfer pipe 8 to support, and baffling board 9 separates into several layers of cavitys with flow channel one 3, flow channel two 4, and the fluid realizes the Z-shaped turbulent flow through baffling board 9 in each layer cavity, and the heat transfer effect obtains promoting, and partial baffling board 9 is fixed in casing 1 inner wall, and another part is fixed in baffle 10. The top of the shell 1 is connected with a water inlet 7, and the inside of the water inlet 7 and the tail of the shell 1 are both connected with a rotating mechanism 16 for stirring liquid. When liquid enters the shell 1 from the water inlet 7 and is discharged from the water outlet 14 through the first flow channel 3 and the second flow channel 4 in sequence, the liquid can drive the rotation of the rotating blades 19 and the rotation of the rotating head 20 and the connecting shaft 21, so that the liquid is stirred, the liquid in the shell 1 is disturbed, and the effect of heat exchange enhancement is achieved.

The rotating mechanism 16 comprises a fixed frame 17, a rotating blade 19, a rotating head 20 and a connecting shaft 21, wherein the rotating blade 19 is fixed on the rotating head 20, one end of the connecting shaft 21 is fixedly connected with the rotating head 20, and the other end is movably connected with the fixed frame 17. The fixed frame 17 is used for supporting the rotating blade 19 and improving the stability of the rotating blade 19, and the other end of the connecting shaft 21 is connected to the fixed frame 17 through a bearing 22.

The shell 1 is internally provided with a first flow passage 3 and a second flow passage 4, a partition plate 10 is fixed at the center of the interior of the shell 1, and the partition plate 10 is used for partitioning the first flow passage 3 and the second flow passage 4. The first flow channel 3 and the second flow channel 4 form an upper heat exchange channel and a lower heat exchange channel, and cold liquid is subjected to double heat exchange in the shell 1, so that the heat exchange efficiency is further improved.

The head of casing 1 is fixed with head 2, is provided with cushion chamber 11, drainage chamber 12 in the head 2, and baffle 10 is used for separating cushion chamber 11, drainage chamber 12, installs porous baffle 6 in the head 2, and the both ends of heat-transfer pipe 8 all link to each other with porous baffle 6, and baffle 10 links to each other with porous baffle 6 is fixed. The hot fluid enters the buffer cavity 11 through the first interface 5 and then flows into the heat transfer pipe 8 to heat the heat transfer pipe 8, and is discharged from the second interface 13 of the water discharge cavity 12, and the heat transfer pipe 8 is of a U-shaped structure.

The seal head 2 is connected with a first connector 5 and a second connector 13, the first connector 5 corresponds to the buffer cavity 11, the second connector 13 corresponds to the drainage cavity 12, the bottom of the shell 1 is connected with a drainage port 14, the drainage port 14 corresponds to the water inlet 7, and the inner wall of the water inlet 7 is provided with a spiral surface 18. The spiral surface 18 plays a role in assisting the rotation of the liquid entering the shell 1, and is beneficial to the disturbance of the liquid.

The rotating blade 19 at the tail of the housing 1 faces the liquid discharge direction of the first flow channel 3, the liquid discharge direction is a in fig. 1, that is, the rotating blade 19 faces a, the liquid disturbing effect in the housing 1 can be further improved, and the rotating blade 19 in the water inlet 7 faces the opening direction of the water inlet 7. The bottom of the housing 1 is connected with a bracket 15, and the bracket 15 is used for supporting the housing 1.

The baffle plates 9 are uniformly provided with fixing holes 23 for fixing the heat transfer pipes 8.

The working principle is as follows: hot liquid enters the buffer cavity 11 through the first connector 5, then flows into the plurality of groups of heat transfer pipes 8 and is discharged from the second connector 13 of the water discharge cavity 12, and cold liquid enters the shell 1 from the water inlet 7, so that the cold liquid is contacted with the heat transfer pipes 8. In the process of entering the shell 1, the cold liquid can enable the rotating blades 19, the rotating head 20 and the connecting shaft 21 in the water inlet 7 to synchronously rotate, so that the liquid is stirred, the liquid in the shell 1 is disturbed, and the effect of strengthening heat exchange is achieved. Cold liquid is discharged from the water outlet 14 through the first flow channel 3 and the second flow channel 4 in sequence, the first flow channel 3 and the second flow channel 4 form an upper heat exchange channel and a lower heat exchange channel, and the cold liquid is subjected to double heat exchange in the shell 1, so that the heat exchange efficiency is further improved. When cold liquid passes through the tail part of the shell 1, the rotating blades 19 arranged at the tail part of the shell 1 also rotate, so that the liquid disturbance effect is obvious, the heat exchange is favorably strengthened, and the practicability is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A shell-and-tube heat exchanger for enhanced heat transfer, comprising: the liquid mixing device comprises a shell (1), wherein a heat transfer pipe (8) used for liquid heat transfer is connected in the shell (1), the heat transfer pipe (8) is connected with a baffle plate (9) used for supporting the heat transfer pipe (8), a water inlet (7) is connected to the top of the shell (1), and a rotating mechanism (16) used for stirring liquid is connected to the inner portion of the water inlet (7) and the tail of the shell (1).

2. The shell-type heat exchanger for heat transfer enhancement according to claim 1, characterized in that the rotating mechanism (16) comprises a fixed frame (17), a rotating blade (19), a rotating head (20) and a connecting shaft (21), wherein the rotating blade (19) is fixed to the rotating head (20), one end of the connecting shaft (21) is fixedly connected with the rotating head (20), and the other end is movably connected with the fixed frame (17).

3. A shell heat exchanger for enhanced heat transfer according to claim 2, characterized in that the other end of the connecting shaft (21) is connected to the stationary frame (17) by means of a bearing (22).

4. The shell-and-tube heat exchanger for enhanced heat transfer according to claim 1, characterized in that a first flow channel (3) and a second flow channel (4) are arranged in the shell (1), and a partition plate (10) is fixed at the center of the interior of the shell (1), wherein the partition plate (10) is used for separating the first flow channel (3) from the second flow channel (4).

5. The shell type heat exchanger for enhancing heat transfer according to claim 4, wherein a seal head (2) is fixed at the head of the shell (1), a buffer cavity (11) and a drainage cavity (12) are arranged in the seal head (2), the partition plate (10) is used for separating the buffer cavity (11) and the drainage cavity (12), a porous baffle (6) is installed in the seal head (2), two ends of the heat transfer pipe (8) are connected with the porous baffle (6), and the partition plate (10) is fixedly connected with the porous baffle (6).

6. An enhanced heat transfer shell heat exchanger according to claim 5, characterized in that the head (2) is connected with a first port (5) and a second port (13), the first port (5) corresponds to the buffer chamber (11), and the second port (13) corresponds to the drain chamber (12).

7. A shell heat exchanger for enhanced heat transfer according to claim 1, wherein a drain (14) is connected to the bottom of the shell (1), said drain (14) corresponding to the inlet (7).

8. -shell heat exchanger according to claim 1, characterised in that the inner wall of the water inlet (7) is provided with a helicoid (18).

9. A shell heat exchanger for enhanced heat transfer according to claim 4, characterised in that the rotating vanes (19) at the rear of the shell (1) are directed towards the discharge of the first flow channel (3) and the rotating vanes (19) in the inlet (7) are directed towards the opening of the inlet (7).

10. A shell heat exchanger with enhanced heat transfer according to claim 1, characterised in that the baffles (9) are uniformly provided with fixing holes (23) for fixing the heat transfer tubes (8).