Impact-resistant shell-and-tube heat exchanger

Abstract

The utility model discloses an impact-resistant shell-and-tube heat exchanger, and relates to the technical field of shell-and-tube heat exchangers, the impact-resistant shell-and-tube heat exchanger comprises a shell, a dismounting mechanism is arranged on the inner wall of the shell, the dismounting mechanism comprises a connecting rod, and the connecting rod is attached to the inner wall of the shell. Through the arrangement of the dismounting mechanism, the effect of dismounting the partition plate and the heat exchange pipe for cleaning can be achieved, in the using process, through the cooperation of the threaded holes and the first bolts, the partition plate and the heat exchange pipe are dismounted for cleaning, and the situation that the partition plate and the heat exchange pipe cannot be dismounted for cleaning can be avoided; the problems that a partition plate and a heat exchange pipe in a shell are difficult to directly clean, the internal structure is complex in staggering, workers are difficult to clean the interior, the heat conductivity of impurities such as rust and dirt accumulated in the shell is far lower than that of metal materials of a heat exchanger, additional heat resistance is formed, and the heat transfer efficiency is reduced are solved. And the working effect of the heat exchange tube is ensured.

Description

Technical Field

[0001] This utility model relates to the field of shell-and-tube heat exchanger technology, specifically an impact-resistant shell-and-tube heat exchanger. Background Technology

[0002] In the chemical industry, shell-and-tube heat exchangers are used for heat exchange and control in various chemical reactions; in the petroleum industry, they are used for heating, cooling, and distilling crude oil; in the power industry, they are used in steam turbine condensers and boiler preheaters; and in the refrigeration and air conditioning industry, they are used for heat exchange between refrigerants and air or water. Statistics show that shell-and-tube heat exchangers still account for approximately 70% of all heat exchangers used in industrial installations.

[0003] Most heat exchangers currently in use cannot have their partition plates and heat exchange tubes disassembled for cleaning. During use, this makes direct cleaning of the internal partition plates and heat exchange tubes difficult. The complex internal structure makes it hard for workers to clean the interior thoroughly. Furthermore, the thermal conductivity of accumulated rust and other impurities is much lower than that of the heat exchanger's metal material, creating additional thermal resistance and reducing heat transfer efficiency. This degrades the heat exchanger's performance and makes it inconvenient to install and secure the cover to the shell. Installing the cover is cumbersome and often requires professional assistance, further complicating the heat exchanger's installation convenience. Utility Model Content

[0004] The purpose of this invention is to provide an impact-resistant shell-and-tube heat exchanger to solve the problems mentioned in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an impact-resistant shell-and-tube heat exchanger, comprising a shell, a disassembly mechanism provided on the inner wall of the shell, the disassembly mechanism comprising a connecting rod, the connecting rod being fitted to the inner wall of the shell, a partition plate being fixedly connected to the outer side of the connecting rod, a first sealing ring being fixedly connected to one side of the partition plate, an installation ring being fixedly connected to the outer wall of the connecting rod, threaded holes being provided in both the interior of the installation ring and the interior of the shell, a first bolt being threadedly connected to the inner wall of the threaded hole, and a second sealing ring being fixedly connected to the other side of the partition plate.

[0006] As a preferred technical solution, the shape and size of the first sealing ring match the shape and size of the partition plate, and the shape of the first sealing ring is circular.

[0007] As a preferred technical solution, a cover is attached to the outer wall of the shell, and a first liquid inlet pipe is fixedly connected to one side of the cover.

[0008] As a preferred technical solution, a first liquid outlet pipe is fixedly connected to the other side of the cover, and a second liquid inlet pipe is fixedly connected to the outer wall of the shell.

[0009] As a preferred technical solution, a second liquid outlet pipe is fixedly connected to the outer wall of the shell, and a partition plate is attached to the inner wall of the shell.

[0010] As a preferred technical solution, the partition plate has through holes inside, and heat exchange tubes are fixedly connected to the partition plate through the through holes.

[0011] As a preferred technical solution, the outer wall of the housing is provided with an installation and fixing mechanism, the installation and fixing mechanism includes an installation plate, and the installation plate is fixedly connected to the outer wall of the housing.

[0012] As a preferred technical solution, a mounting plate is fixedly connected to the other side of the cover, and a second bolt is movably connected inside the mounting plate, with a nut threaded onto the outer wall of the second bolt.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model, through the setting of the disassembly mechanism, can achieve the function of disassembling the partition plate and heat exchange tube for cleaning. During use, the partition plate and heat exchange tube can be disassembled and cleaned through the cooperation of the threaded hole and the first bolt. This avoids the difficulty of directly cleaning the partition plate and heat exchange tube inside the shell due to the inability to disassemble and clean the partition plate and heat exchange tube. The internal structure is intricate and complex, making it difficult for workers to clean the inside thoroughly. In addition, the thermal conductivity of rust, dirt and other impurities accumulated inside is much lower than that of the metal material of the heat exchanger, forming additional thermal resistance and reducing the heat transfer efficiency. This ensures the working effect of the heat exchange tube.

[0015] 2. The present invention, through the setting of the installation and fixing mechanism, can facilitate the installation and fixing of the cover to the shell. During use, the cover is installed and fixed to the shell by the cooperation of the second bolt and nut. This avoids the situation where the process of installing and fixing the cover to the shell is too complicated and requires a professional to install and fix the cover, thus ensuring the ease of installation of the heat exchanger. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present utility model;

[0017] Figure 2 This is a cross-sectional view of the internal structure of the housing of this utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure between the partition plate and the heat exchange tube of this utility model;

[0019] Figure 4 This is a schematic diagram of the disassembly mechanism of this utility model;

[0020] Figure 5 This is a schematic diagram of the connection structure between the connecting rod and the mounting ring of this utility model;

[0021] Figure 6 A schematic diagram of the threaded hole structure inside the mounting ring of this utility model;

[0022] Figure 7 This is a schematic diagram of the connection structure between the partition plate and the second sealing ring of this utility model;

[0023] Figure 8 This is a schematic diagram of the installation and fixing mechanism of this utility model.

[0024] The components are as follows: 1. Shell; 2. Disassembly mechanism; 201. Connecting rod; 202. First sealing ring; 203. Mounting ring; 204. Threaded hole; 205. First bolt; 206. Second sealing ring; 3. Mounting and fixing mechanism; 301. Mounting plate; 302. Second bolt; 303. Nut; 4. Cover; 5. First liquid inlet pipe; 6. First liquid outlet pipe; 7. Second liquid inlet pipe; 8. Second liquid outlet pipe; 9. Divider plate; 10. Heat exchange tube. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1: As Figure 1 , Figure 2 and Figure 3 As shown, this utility model provides the following technical solution, including a housing 1, a disassembly mechanism 2 provided on the inner wall of the housing 1, a partition plate 9 fixedly connected to the outer side of the connecting rod 201, a cover 4 attached to the outer wall of the housing 1, a first liquid inlet pipe 5 fixedly connected to one side of the cover 4, a first liquid outlet pipe 6 fixedly connected to the other side of the cover 4, a second liquid inlet pipe 7 fixedly connected to the outer wall of the housing 1, a second liquid outlet pipe 8 fixedly connected to the outer wall of the housing 1, a partition plate 9 attached to the inner wall of the housing 1, a through hole provided inside the partition plate 9, a heat exchange tube 10 fixedly connected to the partition plate 9 through the through hole, and an installation and fixing mechanism 3 provided on the outer wall of the housing 1.

[0027] When the heat exchanger is needed, firstly, the heat exchange tube 10 is installed into the through hole in the partition plate 9. Then, the cover 4 needs to be installed and fixed on the shell 1. The cover 4 is installed and fixed on the shell 1 by the installation and fixing mechanism 3. Then, heat exchange can be carried out. At this time, the coolant is introduced into the heat exchange tube 10 inside the shell 1 through the first liquid inlet pipe 5. Then, the liquid is introduced into the shell 1 through the second liquid inlet pipe 7. The heat of the coolant is transferred to the outer wall of the heat exchange tube 10, so that the liquid inside the shell 1 and the outer wall of the heat exchange tube 10 are in contact. Contact allows for liquid heat exchange. The partition plate 9 ensures sufficient heat exchange. The well-exchanged liquid is discharged through the second outlet pipe 8, while the used coolant is discharged through the first outlet pipe 6, thus completing the heat exchange process. When the heat exchanger is idle after heat exchange, the partition plate 9 and heat exchange tube 10 inside the shell 1 need to be disassembled for cleaning. The partition plate 9 and heat exchange tube 10 are disassembled and cleaned using the disassembly mechanism 2, thus completing the work.

[0028] Example 2: As Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the inner wall of the housing 1 is provided with a disassembly mechanism 2. The disassembly mechanism 2 includes a connecting rod 201. The connecting rod 201 is attached to the inner wall of the housing 1. A partition plate 9 is fixedly connected to the outer side of the connecting rod 201. A first sealing ring 202 is fixedly connected to one side of the partition plate 9. An installation ring 203 is fixedly connected to the outer wall of the connecting rod 201. Threaded holes 204 are opened in both the interior of the installation ring 203 and the interior of the housing 1. A first bolt 205 is threadedly connected to the inner wall of the threaded hole 204. A second sealing ring 206 is fixedly connected to the other side of the partition plate 9. The shape and size of the first sealing ring 202 match the shape and size of the partition plate 9, and the shape of the first sealing ring 202 is circular.

[0029] When the heat exchanger is idle after heat exchange, the partition plate 9 and heat exchange tube 10 inside the shell 1 need to be disassembled to facilitate cleaning of the partition plate 9, heat exchange tube 10 and the inside of the shell 1. At this time, the first bolt 205 is rotated out of the threaded hole 204 to separate the mounting ring 203 from the shell 1. Then the mounting ring 203 is pulled out directly. Through the connection of the connecting rod 201, the partition plate 9 and heat exchange tube 10 are pulled out together, separating the partition plate 9, heat exchange tube 10 and shell 1. The first sealing ring 202 and the second sealing ring 206 can ensure that there is no leakage at the partition plate 9. Then the heat exchange tube 10, partition plate 9 and shell 1 can be cleaned separately, thus completing the disassembly and cleaning work.

[0030] like Figure 1 , Figure 2 and Figure 8 As shown, the outer wall of the housing 1 is provided with a mounting and fixing mechanism 3, which includes a mounting plate 301. The mounting plate 301 is fixedly connected to the outer wall of the housing 1, and the other side of the cover 4 is fixedly connected to the mounting plate 301. The interior of the mounting plate 301 is movably connected with a second bolt 302, and the outer wall of the second bolt 302 is threaded with a nut 303.

[0031] Specifically: When it is necessary to install and fix the cover 4 on the housing 1, the mounting plate 301 on the cover 4 is attached to the mounting plate 301 on the outer wall of the housing 1, the through hole in the mounting plate 301 is aligned, the second bolt 302 is inserted into the through hole in the mounting plate 301, and the nut 303 is rotated and inserted into the second bolt 302 to fix the two mounting plates 301, thereby completing the installation and fixing work.

[0032] The working principle of this utility model is as follows: When the heat exchanger is needed, firstly, the heat exchange tube 10 is installed into the through hole in the partition plate 9. Then, the cover 4 needs to be installed and fixed on the shell 1. At this time, the mounting plate 301 on the cover 4 is attached to the mounting plate 301 on the outer wall of the shell 1. Then, the through holes opened in the mounting plate 301 are aligned. Then, the second bolt 302 is inserted into the through hole in the mounting plate 301. Then, the nut 303 is rotated and inserted into the second bolt 302 to fix the two mounting plates 301, thereby completing the installation and fixing work. Then, heat exchange can be carried out. At this time, the coolant is introduced into the heat exchange tube 10 inside the shell 1 through the first liquid inlet pipe 5. Then, the liquid is introduced into the shell 1 through the second liquid inlet pipe 7. The heat of the coolant is transferred to the outer wall of the heat exchange tube 10, so that the liquid inside the shell 1 comes into contact with the outer wall of the heat exchange tube 10, so that the liquid exchanges heat. Through the partition plate 9, the heat exchange is carried out. The design allows for sufficient heat exchange of the liquid. The well-exchanged liquid will be discharged through the second outlet pipe 8, and the used coolant will be discharged through the first outlet pipe 6, thus completing the heat exchange process. When the heat exchanger is idle after heat exchange, the partition plate 9 and heat exchange tube 10 inside the shell 1 need to be disassembled to facilitate cleaning of the partition plate 9, heat exchange tube 10, and the interior of the shell 1. At this time, the first bolt 205 is rotated out of the threaded hole 204 to separate the mounting ring 203 from the shell 1. Then, the mounting ring 203 is pulled out directly, and the partition plate 9 and heat exchange tube 10 are pulled out together through the connection rod 201, separating the partition plate 9, heat exchange tube 10, and shell 1. The first sealing ring 202 and the second sealing ring 206 can ensure that there is no leakage at the partition plate 9. Then, the heat exchange tube 10, partition plate 9, and shell 1 can be cleaned separately, thus completing the disassembly and cleaning work.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A shock resistant shell and tube heat exchanger comprising a shell (1), characterised in that: The inner wall of the housing (1) is provided with a disassembly mechanism (2). The disassembly mechanism (2) includes a connecting rod (201). The connecting rod (201) is attached to the inner wall of the housing (1). A partition plate (9) is fixedly connected to the outer side of the connecting rod (201). A first sealing ring (202) is fixedly connected to one side of the partition plate (9). An installation ring (203) is fixedly connected to the outer wall of the connecting rod (201). Threaded holes (204) are opened in both the interior of the installation ring (203) and the interior of the housing (1). A first bolt (205) is threadedly connected to the inner wall of the threaded hole (204). A second sealing ring (206) is fixedly connected to the other side of the partition plate (9).

2. A shock resistant tube-in-shell heat exchanger according to claim 1, characterized in that: The shape and size of the first sealing ring (202) match the shape and size of the partition plate (9), and the shape of the first sealing ring (202) is circular.

3. A shock resistant tube-in-shell heat exchanger according to claim 1, characterized in that: The outer wall of the housing (1) is fitted with a cover (4), and a first liquid inlet pipe (5) is fixedly connected to one side of the cover (4).

4. A shock resistant tube-in-shell heat exchanger according to claim 3, characterized in that: The other side of the cover (4) is fixedly connected to a first liquid outlet pipe (6), and the outer wall of the shell (1) is fixedly connected to a second liquid inlet pipe (7).

5. A shock resistant tube and shell heat exchanger according to claim 4 wherein: The outer wall of the housing (1) is fixedly connected to a second liquid outlet pipe (8), and the inner wall of the housing (1) is fitted with a partition plate (9).

6. A shock resistant tube and shell heat exchanger according to claim 5 wherein: The partition plate (9) has through holes inside, and heat exchange tubes (10) are fixedly connected to the partition plate (9) through the through holes.

7. A shock resistant tube and shell heat exchanger according to claim 6 wherein: The outer wall of the housing (1) is provided with an installation and fixing mechanism (3), which includes an installation plate (301). The installation plate (301) is fixedly connected to the outer wall of the housing (1).

8. A shock resistant tube and shell heat exchanger according to claim 7 wherein: A mounting plate (301) is fixedly connected to the other side of the cover (4). A second bolt (302) is movably connected inside the mounting plate (301), and a nut (303) is threaded onto the outer wall of the second bolt (302).

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