Tubular heater with cleaning structure
By using ceramic cleaning balls and medium circulation cleaning technology in column tube heaters, combined with the design of partitions and intercept nets, the problem of thermal conductivity degradation caused by adherents inside the heater is solved, and effective cleaning and performance improvement is achieved .
Patent Information
- Application Number
- CN202420141656.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-19
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-01-19
AI Technical Summary
Adhesives are prone to appear inside the tube heater, resulting in a degradation of thermal conductivity and making it difficult to keep clean.
A column tube heater with a cleaning structure was designed, and the ceramic cleaning ball was used to clean it through the heat medium circulation and rotate it through the cold medium. Combined with the design of partitions, baffles and intercepting nets, they assist in cleaning balls. Work.
The heat exchange tube group and the inner wall of the shell are effectively cleaned, the thermal conductivity is improved, and the long-term and stable operation of the heater is ensured.
Smart Images
Figure CN222460375U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of tube-in-tube heaters, in particular to a tube-in-tube heater with a cleaning structure. Background Art
[0002] The shell and tube heat exchanger is the most widely used heat exchanger in the production of chemical industry and other industries. It is mainly composed of shell, tube sheet, heat exchange tube, tube box, baffle, etc. The required materials can be made of ordinary carbon steel, copper, stainless steel and special materials. During heat exchange, one fluid enters from the connecting pipe of the head and flows in the tube, and flows out from the outlet pipe at the other end of the head, which is called the tube side; the other fluid enters from the shell pipe and flows out from another pipe on the shell, which is called the shell side.
[0003] The heat medium of the shell-and-tube heater is inletted from the connecting pipe on the cylinder, and flows to the connecting pipe outlet in a zigzag manner through each baffle channel in sequence. The cooling medium adopts a double-pass flow, that is, the cooling medium enters half of the cooling pipe from the water inlet through the water dividing cover, and then flows into the other half of the cooling pipe from the return water cover and enters the water dividing cover and the outlet pipe on the other side. During the double-pass flow, the cold medium absorbs the waste heat released by the hot medium and is discharged from the water outlet to keep the working medium at the rated working temperature. When the shell-and-tube heater is working, the internal heat exchange tube body is easy to adhere to the upper part of the inner wall of the tube body, resulting in poor thermal conductivity due to the large amount of adhesion inside the tube body. For this reason, we propose a shell-and-tube heater with a clean structure. Utility Model Content
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a tube-in-tube heater with a cleaning structure, which effectively solves the problems raised in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shell-and-tube heater with a clean structure, comprising a shell and a tube box, a heat exchange tube group is arranged inside the shell, one side of the heat exchange tube group is plugged into the tube box, a cold medium inlet is arranged at the top of the shell, a cold medium outlet is arranged at the bottom of the shell, and addition ports are evenly arranged at the top of the shell;
[0006] The bottom of the pipe box is provided with a heat medium inlet, the upper part of the pipe box is provided with a heat medium outlet, and the interior of the pipe box is provided with a cleaning mechanism.
[0007] Preferably, a partition is provided inside the heat exchange tube group, baffles are evenly provided inside the heat exchange tube group, the baffles are staggered, and an interception net is provided on one side of the baffle.
[0008] Preferably, the cleaning mechanism comprises a head plate, and shielding nets are provided on both upper and lower sides of the head plate, and the shielding nets are arranged at an incline.
[0009] Preferably, a storage box is provided at the bottom of the head plate, the bottom of the storage box is inclined, and a drop groove is provided on one side of the storage box.
[0010] Preferably, a mounting plate is provided on one side of the tube box, and one side of the heat exchange tube group is inserted into the interior of the mounting plate, and one end of the partition is fixed inside the mounting plate.
[0011] Preferably, the pipe box and the shell are both provided with connecting plates on the opposite sides thereof, and the pipe box and the shell are connected via the connecting plates.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The ceramic cleaning balls will circulate inside the heat exchange tube group through the transport of hot medium, so that the ceramic cleaning balls will rub against the inner wall of the heat exchange tube group to clean the inside of the heat exchange tube group, and the cold medium will be transported through the cold medium inlet to make the ceramic cleaning balls inside the shell circulate and rotate;
[0014] 2. By setting up a partition, the position of the baffle can be limited, and the cold medium can be guided and transported. When the cold medium is transported, the ceramic cleaning ball will perform rotation and friction, and by setting up an interception net, the ceramic cleaning ball can be blocked, which assists the ceramic cleaning ball to perform better cleaning work;
[0015] 3. When the ceramic cleaning balls inside the heat exchange tube group are blown out, they will be guided by the inclined shielding net, so that the ceramic cleaning balls will automatically fall into the storage box. The inclined bottom of the storage box can make the ceramic cleaning balls automatically slide down. After sliding down, the cleaning balls will slide through the drop groove. After falling into the drop groove, the ceramic cleaning balls will be blown into the heat exchange tube group again, so that the ceramic cleaning balls can circulate better inside the heat exchange tube group. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.
[0017] In the attached picture:
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the pipe box structure of the utility model;
[0020] Figure 3 For this utility model Figure 2 Enlarged schematic diagram of the structure of part A in the middle.
[0021] In the figure: 10, shell; 11, cold medium inlet; 12, cold medium outlet; 13, addition port; 20, pipe box; 21, hot medium inlet; 22, hot medium outlet; 23, head plate; 24, shielding net; 25, storage box; 26, drop chute; 30, partition; 31, deflector; 32, interception net. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0023] Embodiment 1, by Figure 1-3 A shell-and-tube heater with a clean structure is provided, comprising a shell 10 and a tube box 20, a heat exchange tube group is arranged inside the shell 10, one side of the heat exchange tube group is plugged into the tube box 20, a cold medium inlet 11 is arranged at the top of the shell 10, a cold medium outlet 12 is arranged at the bottom of the shell 10, and an addition port 13 is evenly arranged at the top of the shell 10;
[0024] A heat medium inlet 21 is provided at the bottom of the pipe box 20, a heat medium outlet 22 is provided at the top of the pipe box 20, and a cleaning mechanism is provided inside the pipe box 20. When the device is used, ceramic cleaning balls are first added to the inside of the heat exchange tube group, and ceramic cleaning balls are added to the inside of the shell 10 through the addition port 13. Heat medium is supplied to the inside of the pipe box 20 through the heat medium inlet 21. The heat medium passes through the heat exchange tube group and is discharged through the heat medium outlet 22. However, when the ceramic cleaning balls inside the heat exchange tube group are added, the ceramic cleaning balls are transported by the heat medium and circulate inside the heat exchange tube group, so that the ceramic cleaning balls rub against the inner wall of the heat exchange tube group to clean the inside of the heat exchange tube group, and the cold medium inlet 21 is used to clean the inside of the heat exchange tube group. 11 transports the cold medium inside, so that the ceramic cleaning balls inside the shell 10 circulate and rotate, so that the ceramic cleaning balls rub and clean the inner wall of the shell 10 and the outer wall of the heat exchange tube group. The outer diameter of the ceramic cleaning balls is provided with soft high-temperature resistant protective pads, which can effectively increase the cushioning of the contact surface between the ceramic cleaning balls and the heat exchange tube group, and assist the ceramic cleaning balls to better perform friction and cushioning work. The heat exchange tube group is provided with partitions 30, and the heat exchange tube group is evenly provided with baffles 31. The baffles 31 are staggered, and one side of the baffle 31 is provided with an interception net 32. By providing the partition 30, the position of the baffle 31 can be limited, and the cold medium can be guided and transported. When the cold medium is transported, the ceramic cleaning balls will enter The heat exchange tube group is provided with a plurality of protective nets 24, and the protective nets 24 are arranged on the upper and lower sides of the heat exchange tube group. The protective nets 24 are arranged in an inclined manner. The heat exchange tube group is provided with a plurality of protective nets 24, and the ... When blowing out, the inclined shielding net 24 will be used for guidance, so that the ceramic cleaning ball will automatically fall into the interior of the storage box 25. The inclined bottom of the storage box 25 can make the ceramic cleaning ball automatically slide down, and the cleaning ball will slide through the drop groove 26. After falling into the drop groove 26, the ceramic cleaning ball will be blown into the interior of the heat exchange tube group again, so that the ceramic cleaning ball can better circulate inside the heat exchange tube group. A mounting plate is provided on one side of the tube box 20, and one side of the heat exchange tube group is plugged into the interior of the mounting plate, and one end of the partition 30 is fixed inside the mounting plate. By providing the mounting plate, the position of the heat exchange tube group can be effectively fixed, so that the heat exchange tube group and the tube box 20 can be better connected.The mounting plate can fix the position of the partition 30, and assist the partition 30 in fixing work. The pipe box 20 and the shell 10 are both provided with a flange plate on the opposite sides. The pipe box 20 and the shell 10 are connected through the flange plate. By providing a flange plate, the pipe box 20 and the shell 10 can be effectively connected and better fixed.
[0025] Working principle: When the device is in use, first, ceramic cleaning balls are added to the inside of the heat exchange tube group, and then ceramic cleaning balls are added to the inside of the shell 10 through the adding port 13, and heat medium is supplied to the inside of the tube box 20 through the heat medium inlet 21. The heat medium will pass through the heat exchange tube group and then be discharged through the heat medium outlet 22. However, when the ceramic cleaning balls inside the heat exchange tube group are added, the ceramic cleaning balls will circulate inside the heat exchange tube group through the transportation of the heat medium, so that the ceramic cleaning balls will generate friction with the inner wall of the heat exchange tube group, thereby cleaning the inside of the heat exchange tube group, and the cold medium is transported through the cold medium inlet 11, so that the ceramic cleaning balls inside the shell 10 will circulate and rotate.
Claims
1. A tube-in-tube heater with a cleaning structure, characterized in that: The invention comprises a shell (10) and a pipe box (20), wherein a heat exchange pipe group is arranged inside the shell (10), one side of the heat exchange pipe group is plugged into the pipe box (20), a cold medium inlet (11) is arranged at the top of the shell (10), a cold medium outlet (12) is arranged at the bottom of the shell (10), and addition ports (13) are evenly arranged at the top of the shell (10); The bottom of the pipe box (20) is provided with a heat medium inlet (21), the top of the pipe box (20) is provided with a heat medium outlet (22), and a cleaning mechanism is provided inside the pipe box (20).
2. The shell-and-tube heater with a cleaning structure according to claim 1, characterized in that: A partition (30) is arranged inside the heat exchange tube group, and baffles (31) are evenly arranged inside the heat exchange tube group. The baffles (31) are arranged in a staggered manner, and an interception net (32) is provided on one side of the baffles (31).
3. The shell-and-tube heater with a cleaning structure according to claim 1, characterized in that: The cleaning mechanism comprises a head plate (23), and shielding nets (24) are arranged on both upper and lower sides of the head plate (23), and the shielding nets (24) are arranged in an inclined manner.
4. The shell-and-tube heater with a cleaning structure according to claim 3, characterized in that: A storage box (25) is provided at the bottom of the head plate (23); the bottom of the storage box (25) is arranged in an inclined manner; and a drop groove (26) is provided on one side of the storage box (25).
5. The shell-and-tube heater with a cleaning structure according to claim 2, characterized in that: A mounting plate is provided on one side of the tube box (20), one side of the heat exchange tube group is plugged into the interior of the mounting plate, and one end of the partition plate (30) is fixed inside the mounting plate.
6. The shell-and-tube heater with a cleaning structure according to claim 1, characterized in that: The pipe box (20) and the shell (10) are both provided with a connecting plate on the opposite sides thereof, and the pipe box (20) and the shell (10) are connected via the connecting plate.