Purification column

Abstract

This utility model relates to the field of gas purification technology, and in particular to a purification column. A partition is installed inside the container, dividing the inner cavity into an upper purification chamber and a lower gas pre-distribution chamber. The lower end of a gas inlet pipe passes through the partition and connects to the gas pre-distribution chamber. Gas enters the gas pre-distribution chamber first through the gas inlet pipe, and then diffuses evenly through micropores on the partition into the purification chamber. By interfering with the gas flow direction, the contact efficiency between the gas and the solid medium in the purification chamber is greatly improved, significantly enhancing the purification effect and medium utilization rate. Furthermore, by adopting a container structure consisting of a main body, an upper cover, and a lower cover, and by opening an inlet and an outlet at the closed end of the main body, while the upper cover is assembled to the closed end and has coaxial first and second mounting holes, the costs of connecting to external pipelines, sealing, and disassembly and maintenance are reduced.

Description

Technical Field

[0001] This utility model relates to the field of gas purification technology, and in particular to a purification column. Background Technology

[0002] Hydrogen, as a clean energy source and an important industrial raw material, has its purity crucial for subsequent applications. A hydrogen purification column is the core equipment in a purification system. It is typically filled with purification media such as adsorbents and catalysts, utilizing the principle of selective adsorption or reaction to remove specific impurities such as oxygen, moisture, and carbon monoxide from hydrogen, thereby obtaining a high-purity product gas.

[0003] While current hydrogen purification columns on the market can meet basic purification needs, they still generally fall short in terms of overall performance and user experience. For example, they suffer from uneven gas flow distribution, low efficiency in the utilization of purification media, and inconvenience in equipment maintenance and consumable replacement, which affect the stability and cost-effectiveness of purification results. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide a purification column.

[0005] The present invention adopts the following technical solution: A purification column, comprising: The tank body has an air inlet and an air outlet at its top; a partition is fixedly installed on the inner side of the tank body, dividing the inner cavity of the tank body into a purification chamber and a gas pre-distribution chamber, with the purification chamber located above the partition and the gas pre-distribution chamber located below the partition; the partition has multiple micropores for gas passage; and An air intake tube is inserted into the air inlet, and the lower end of the air intake tube extends downward and passes through the partition to communicate with the gas pre-distribution chamber.

[0006] Preferably, the micropores are uniformly distributed on the partition plate.

[0007] Preferably, the tank body includes a main body, an upper cover, and a lower cover; the main body has an open end and a closed end at both ends, and the air inlet and air outlet are both located at the closed end; the upper cover is assembled to the closed end, and the upper cover has a first mounting hole and a second mounting hole, the first mounting hole being coaxially arranged with the air inlet, and the second mounting hole being coaxially arranged with the air outlet; wherein, the inner wall of the closed end of the main body, the inner side wall of the main body, and the partition together form the purification chamber; the inner side wall of the main body, the partition, and the lower cover together form the gas pre-distribution chamber.

[0008] Preferably, the tank body is cylindrical, and both the upper and lower covers are disc-shaped.

[0009] Preferably, the closed end of the main body is provided with a first connecting plate extending radially outward, and the upper cover is assembled and connected to the first connecting plate; the open end of the main body is provided with a second connecting plate extending radially outward, and the lower cover is assembled and connected to the second connecting plate.

[0010] Preferably, the upper cover has a first connecting hole arranged in a circumferential array, the first connecting hole penetrating the first connecting plate; the lower cover has a second connecting hole arranged in a circumferential array, the second connecting hole penetrating the second connecting plate; both the first connecting hole and the second connecting hole are countersunk holes.

[0011] Preferably, the closed end of the main body is provided with a first sealing ring mounting groove on the side facing the first connecting plate. The first sealing ring mounting groove is annular and coincides with the axis of the main body.

[0012] Preferably, the closed end of the main body is provided with a second sealing ring mounting groove on the side facing the first connecting plate, and the second sealing ring mounting groove is arranged around the air inlet.

[0013] Preferably, the main body has a third sealing ring mounting groove on the side of the open end facing the second connecting plate. The third sealing ring mounting groove is annular and coincides with the axis of the main body.

[0014] Preferably, the diameter of the first mounting hole is larger than the diameter of the air inlet, and the diameter of the second mounting hole is larger than the diameter of the air outlet.

[0015] The beneficial effects of this utility model are as follows: The purification column of this invention features a partition within the tank, dividing the internal cavity into an upper purification chamber and a lower gas pre-distribution chamber. The lower end of a gas inlet pipe passes through the partition and connects to the gas pre-distribution chamber. This allows gas to first enter the gas pre-distribution chamber via the gas inlet pipe, and then diffuse evenly through micropores on the partition into the purification chamber. By interfering with the gas flow direction, the contact efficiency between the gas and the solid medium in the purification chamber is significantly improved, resulting in a substantial increase in purification effect and medium utilization. Furthermore, the tank structure, consisting of a main body, an upper cover, and a lower cover, with an inlet and outlet at the closed end of the main body, and the upper cover fitted to the closed end with coaxial first and second mounting holes, reduces the costs associated with connecting to external pipelines, sealing, and disassembly / maintenance. Additionally, the first and second sealing ring mounting grooves at the closed end of the main body, and the third sealing ring mounting groove at the open end, form multiple reliable sealing lines, ensuring the integrity of the purification column's seal under high-pressure conditions, effectively preventing gas leakage, and improving the safety and reliability of the equipment operation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the purification column of this utility model; Figure 2 This is a schematic diagram of the purification column of this utility model from another angle; Figure 3 for Figure 1 Explosion-proof diagram of the purification column structure; Figure 4 for Figure 2 Explosion-proof diagram of the purification column structure; Figure 5 This is a top view of the purification column of this utility model; Figure 6 for Figure 5 Sectional view along AA; Figure 7 for Figure 6 Enlarged schematic diagram of the structure of circle B in the middle; Figure 8 for Figure 6 A magnified schematic diagram of the structure of the middle circle C.

[0017] Numbering on the map: 10-Tank body; 11-Air inlet; 12-Air outlet; 13-Purification chamber; 14-Gas pre-distribution chamber; 20-Main body; 21-Open end; 22-Closed end; 23-First connecting plate; 24-Second connecting plate; 25-First sealing ring mounting groove; 26-Second sealing ring mounting groove; 27-Third sealing ring mounting groove; 30-Top cover; 31-First mounting hole; 32-Second mounting hole; 33-First connecting hole; 40-Lower cover; 41-Second connecting hole; 50-Partition plate; 51-Micropore; 60-Gas venting pipe. Detailed Implementation

[0018] 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.

[0019] In the description of this utility model, it should be noted that the terms "vertical direction," "up," "down," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or a connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] like Figures 1 to 8 As shown, the purification column of this utility model includes a tank 10 and a gas inlet tube 60. The top of the tank 10 is provided with an inlet 11 and an outlet 12. A partition 50 is fixedly provided inside the tank 10, dividing the inner cavity of the tank 10 into a purification chamber 13 and a gas pre-distribution chamber 14. The purification chamber 13 is located above the partition 50 and is used to place a solid medium, while the gas pre-distribution chamber 14 is located below the partition 50. Multiple micropores 51 for gas passage are provided on the partition 50. The gas inlet tube 60 is inserted into the inlet 11, and its lower end extends downwards and passes through the partition 50 to connect with the gas pre-distribution chamber 14.

[0022] In actual use, such as Figures 6 to 8 As shown, the gas first enters the gas pre-distribution chamber 14 through the gas inlet tube 60, then diffuses upwards into the purification chamber 13 through the micropores 51 on the partition 50, and comes into contact with the solid medium in the purification chamber 13 to achieve purification. Finally, it is discharged through the gas outlet 12. By setting the partition 50 and the gas inlet tube 60, the gas flow direction is intervened, improving the contact efficiency between the gas and the solid medium, thereby improving the purification effect and the utilization rate of the medium. It should be noted that in this embodiment, the purification column of this utility model is aimed at the purification of hydrogen, but it is also applicable to application scenarios where the gas comes into contact with the solid purification material.

[0023] Specifically, the micropores 51 are evenly distributed on the partition 50 to ensure the uniformity of gas flow through the partition 50. At the same time, the lower end of the gas inlet tube 60 is not connected to the center of the partition 50. When the gas is introduced, it carries a certain pressure, which can quickly fill the gas pre-distribution cavity 14, ensuring that gas flows through each micropore 51 and improving the uniformity of gas flow through the micropores 51 of the partition 50.

[0024] Specifically, the tank 10 includes a main body 20, an upper cover 30, and a lower cover 40. The main body 20 has an open end 21 and a closed end 22 at both ends. Understandably, the open end 21 is an open structure, while the closed end 22 is a closed structure. The air inlet 11 and air outlet 12 are both located at the closed end 22. The upper cover 30 is assembled at the closed end 22 and is used for centralized installation and connection of external pipes and valve components, providing a standardized external interface for the purification column, greatly facilitating the connection, installation, disassembly, and maintenance with system piping. The upper cover 30 has a first mounting hole 31 and a second mounting hole 32. The first mounting hole 31 is coaxially arranged with the air inlet 11, and the second mounting hole 32 is coaxially arranged with the air outlet 12. In specific applications, the first mounting hole 31 serves as the air inlet pipe interface, and the second mounting hole 32 serves as the air outlet pipe interface. Figure 7 As shown, the inner wall of the closed end 22 of the main body 20, the inner side wall of the main body 20, and the partition 50 together form the purification chamber 13; as Figure 8 As shown, the inner wall of the main body 20, the partition 50, and the lower cover 40 together enclose the gas pre-distribution cavity 14.

[0025] Furthermore, in order to meet the assembly requirements of the preparation system, the tank 10 is arranged in a cylindrical structure, while the upper plate and the lower plate are both arranged in a disc-shaped structure.

[0026] Furthermore, the closed end 22 of the main body 20 is provided with a first connecting plate 23 extending radially outward. The upper cover 30 is assembled and connected to the first connecting plate 23 by bolt fastening. The setting of the first connecting plate 23 significantly increases the contact area between the upper cover 30 and the main body 20, thereby greatly improving the rigidity and stability of the connection and effectively preventing loosening of the connection due to pressure or vibration. The open end 21 of the main body 20 is provided with a second connecting plate 24 extending radially outward. The lower cover 40 is assembled and connected to the second connecting plate 24 by bolt fastening, which also ensures a stable and reliable connection by increasing the contact area. The upper cover 30 is provided with a first connecting hole 33 arranged in a circumferential array, and the first connecting hole 33 penetrates the first connecting plate 23; the lower cover 40 is provided with a second connecting hole 41 arranged in a circumferential array, and the second connecting hole 41 penetrates the second connecting plate 24; both the first connecting hole 33 and the second connecting hole 41 are countersunk holes. The circumferential array distribution of the first connecting hole 33 and the second connecting hole 41 effectively avoids local stress concentration and improves sealing reliability.

[0027] Furthermore, a first sealing ring mounting groove 25 is provided on the side of the closed end 22 of the main body 20 facing the first connecting plate 23. The first sealing ring mounting groove 25 is annular and coincides with the axis of the main body 20. A second sealing ring mounting groove 26 is provided on the side of the closed end 22 of the main body 20 facing the first connecting plate 23, and the second sealing ring mounting groove 26 is arranged around the air inlet 11. A third sealing ring mounting groove 27 is provided on the side of the open end 21 of the main body 20 facing the second connecting plate 24. The third sealing ring mounting groove 27 is annular and coincides with the axis of the main body 20. In practical applications, sealing rings are installed in both the first sealing ring mounting groove 25 and the third sealing ring mounting groove 27, respectively achieving end face sealing between the upper cover 30 and the closed end 22 of the main body 20, and between the lower cover 40 and the open end 21 of the main body 20, effectively isolating the external environment. Simultaneously, a sealing ring is installed in the second sealing ring mounting groove 26 to achieve radial sealing at the pipe connection of the air inlet 11, preventing gas leakage from the interface. This structural design creates multiple independent seals at various connections, greatly improving the sealing reliability and safety of the purification column and ensuring zero-leakage operation of the purification process.

[0028] Furthermore, the diameter of the first mounting hole 31 is larger than the diameter of the air inlet 11, and the diameter of the second mounting hole 32 is larger than the diameter of the air outlet 12. This dimensional design creates a stepped structure at the interface, which on the one hand provides ample space for the installation of the sealing ring, ensuring the sealing stability of the pipe connection; on the other hand, it effectively avoids mechanical interference caused by misalignment during installation, significantly improving assembly processability and connection stability.

[0029] Compared to existing technologies, the purification column of this invention features a partition 50 within the container 10, dividing the inner cavity of the container 10 into an upper purification chamber 13 and a lower gas pre-distribution chamber 14. The lower end of the gas inlet pipe 60 passes through the partition 50 and connects to the gas pre-distribution chamber 14. This allows gas to first enter the gas pre-distribution chamber 14 via the gas inlet pipe 60, and then diffuse evenly through the micropores 51 on the partition 50 to the purification chamber 13. By interfering with the gas flow direction, the contact efficiency between the gas and the solid medium in the purification chamber 13 is greatly improved, significantly enhancing the purification effect and medium utilization rate. Furthermore, by employing a structure consisting of a main body 20, an upper cover 30, and a lower cover 40… The tank body 10 is constructed with an air inlet 11 and an air outlet 12 at the closed end 22 of the main body 20. The top cover 30 is assembled to the closed end 22 and has coaxial first mounting holes 31 and second mounting holes 32, which reduces the cost of connecting to external pipelines, sealing, and disassembly and maintenance. In addition, the first sealing ring mounting groove 25 and the second sealing ring mounting groove 26 respectively set at the closed end 22 of the main body 20, and the third sealing ring mounting groove 27 located at the open end 21, together form multiple reliable sealing defenses, ensuring the sealing integrity of the purification column under high pressure conditions, effectively preventing gas leakage, and improving the safety and reliability of equipment operation.

[0030] The above description merely illustrates the preferred technical solution of this utility model, and while the description is relatively specific and detailed, it should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and this utility model also intends to include these modifications and variations.

Claims

1. A purification column, characterized in that, include: The tank body has an air inlet and an air outlet at its top; a partition is fixedly installed on the inner side of the tank body, which divides the inner cavity of the tank body into a purification chamber and a gas pre-distribution chamber, with the purification chamber located above the partition and the gas pre-distribution chamber located below the partition; the partition has multiple micropores for gas to pass through. and A gas venting tube is inserted into the air inlet, and the lower end of the gas venting tube extends downward and passes through the partition to communicate with the gas pre-distribution chamber.

2. The purification column of claim 1, wherein, The micropores are evenly distributed on the partition.

3. The purification column of claim 1, wherein, The tank includes a main body, an upper cover, and a lower cover; the main body has an open end and a closed end at both ends, and the air inlet and air outlet are both located at the closed end; the upper cover is assembled to the closed end, and the upper cover has a first mounting hole and a second mounting hole, the first mounting hole being coaxially arranged with the air inlet, and the second mounting hole being coaxially arranged with the air outlet; wherein, the inner wall of the closed end of the main body, the inner side wall of the main body, and the partition together form the purification chamber; the inner side wall of the main body, the partition, and the lower cover together form the gas pre-distribution chamber.

4. The purification column of claim 3, wherein, The tank body is cylindrical in shape, and both the upper and lower covers are disc-shaped.

5. The purification column of claim 4, wherein, The closed end of the main body is provided with a first connecting plate extending radially outward, and the upper cover is assembled and connected to the first connecting plate; the open end of the main body is provided with a second connecting plate extending radially outward, and the lower cover is assembled and connected to the second connecting plate.

6. The purification column of claim 5, wherein, The upper cover has a first connecting hole arranged in a circumferential array, and the first connecting hole penetrates the first connecting plate; the lower cover has a second connecting hole arranged in a circumferential array, and the second connecting hole penetrates the second connecting plate; both the first connecting hole and the second connecting hole are countersunk holes.

7. The purification column of claim 5, wherein, The closed end of the main body is provided with a first sealing ring mounting groove on the side facing the first connecting plate. The first sealing ring mounting groove is annular and coincides with the axis of the main body.

8. The purification column of claim 5, wherein, The closed end of the main body is provided with a second sealing ring mounting groove on the side facing the first connecting plate, and the second sealing ring mounting groove is arranged around the air inlet.

9. The purification column of claim 5, wherein, The main body has a third sealing ring mounting groove on the side of the open end facing the second connecting plate. The third sealing ring mounting groove is annular and coincides with the axis of the main body.

10. The purification column of claim 3, wherein, The diameter of the first mounting hole is larger than the diameter of the air inlet, and the diameter of the second mounting hole is larger than the diameter of the air outlet.

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