Filler parts, filler assemblies and absorption columns

Abstract

The present application relates to the technical field of filler, in particular to a filler component, a filler assembly and an absorption tower. The filler component comprises a plurality of filler plates, the plurality of filler plates are arranged in sequence in a first direction, the first direction is perpendicular to the up-down direction, the filler plate has a first end and a second end oppositely arranged in the first direction, the first end of one of the two adjacent filler plates is superposed on the second end of the other filler plate, the filler plate has a plurality of protrusions arranged at intervals in a second direction, the second direction is perpendicular to the first direction and the up-down direction, a groove is formed between the two adjacent protrusions, the size of the groove in the second direction gradually decreases along the direction from top to bottom, and the groove of one of the two adjacent filler plates is opposite and communicated with the groove of the other filler plate. The filler component of the embodiment of the present application can improve the contact time of flue gas and liquid, and thus the absorption efficiency of the absorption tower with the filler component can be improved.

Description

Technical Field

[0001] This invention relates to the field of packing technology, specifically to a packing component, a packing assembly, and an absorption tower. Background Technology

[0002] In related technologies, the absorption tower includes a shell, a spray assembly, and a packing assembly. Both the spray assembly and the packing assembly are located inside the shell, with the spray assembly located above the packing assembly. A flue gas inlet is located at the bottom of the shell, and a liquid inlet is located at the top of the shell. The liquid and flue gas react in contact within the packing assembly.

[0003] However, in related technologies, the short contact time between flue gas and liquid leads to low absorption efficiency of the absorption tower. Summary of the Invention

[0004] The present invention aims to at least partially solve one of the technical problems in the related art. To this end, embodiments of the present invention provide a packing component that can increase the contact time between flue gas and liquid, thereby improving the absorption efficiency of the absorption tower having the packing component.

[0005] This invention also proposes a packing assembly and an absorption tower.

[0006] The packing component of this invention includes: a plurality of packing plates arranged sequentially in a first direction, the first direction being orthogonal to the vertical direction; each packing plate having a first end and a second end disposed opposite to each other in the first direction; the first end of one of two adjacent packing plates overlapping the second end of the other of the two adjacent packing plates; each packing plate having a plurality of protrusions spaced apart in a second direction, the second direction being orthogonal to the first direction and the vertical direction; a groove being formed between two adjacent protrusions; the size of the groove in the second direction gradually decreasing from top to bottom; and the groove of one of the two adjacent packing plates being opposite to and communicating with the groove of the other of the two adjacent packing plates.

[0007] The packing component of this invention arranges multiple packing plates sequentially in a first direction, with the first end of one of two adjacent packing plates overlapping the second end of the other, forming an overlapping arrangement. The packing plates are configured to have multiple protrusions in a second direction, with grooves formed between adjacent protrusions, facilitating liquid flow within the grooves. Furthermore, the groove of one of two adjacent packing plates is opposite to and communicates with the groove of the other, allowing liquid to flow from the groove of one packing plate to the groove of the other. The multiple grooves guide the liquid flow along their extension direction, and the dimensions of the grooves gradually decrease from top to bottom in the second direction. This increases the liquid holding capacity of the packing component while allowing liquid to flow between the multiple packing plates, thereby increasing the contact time between the liquid on the packing component and the flue gas flowing through it, thus improving the absorption efficiency of the absorption tower with this packing component.

[0008] In some embodiments, the packing plate extends in a direction from a first end of the packing plate toward a second end of the packing plate and is arranged at a downward inclination.

[0009] In this embodiment of the invention, the packing component extends the packing plate from the first end of the packing plate toward the second end of the packing plate and is arranged at a downward inclination. This allows the packing plate to be tilted, facilitating the flow of liquid on the packing plate from the first end to the second end of the packing plate under the influence of gravity. Furthermore, the first end of one of the two adjacent packing plates is stacked on the second end of the other of the two adjacent packing plates, resulting in an overall tilted arrangement of the packing component. This allows the liquid on the other of the two adjacent packing plates to flow toward the first end of one of the two adjacent packing plates, thus enabling the liquid to flow between multiple packing plates while simultaneously guiding the liquid downward.

[0010] In some embodiments, the protrusion is a trapezoidal protrusion, and the groove is a trapezoidal groove.

[0011] In this embodiment of the invention, the packing component is configured with trapezoidal protrusions and trapezoidal grooves. That is, the bottom surface of the groove is a plane. By using the plane to support the liquid, the contact area between the liquid and the groove can be increased, while the liquid holding capacity on the packing plate can be increased. This increases the contact area between the liquid and the packing component, as well as the liquid holding capacity on the packing component. As a result, the liquid on the packing component can fully contact the flue gas flowing through the packing component, thereby improving the flue gas treatment efficiency.

[0012] In some embodiments, the bottom of the groove has a plurality of spaced-apart pits.

[0013] The packing component of this invention features multiple spaced-apart recesses at the bottom of the groove. This creates vortices as the liquid flows through these recesses, resulting in more intense contact between the liquid and the flue gas flowing through the packing component. This enhances the reaction between the flue gas and the liquid, thereby improving the flue gas treatment efficiency. Furthermore, the multiple recesses continuously generate vortices during the liquid's flow, further contributing to improved flue gas treatment efficiency.

[0014] In some embodiments, the pit is an arc-shaped pit.

[0015] The packing component of this invention, by setting the recesses as arc-shaped recesses, generates small vortices when the liquid flows through the arc-shaped recesses, forming a Coanda effect that breaks the fluid boundary layer, forces the liquid to contact and renew the flue gas, prolongs the reaction time, and helps to improve the flue gas treatment efficiency.

[0016] In some embodiments, the diameter of the pit is less than or equal to 1 micrometer.

[0017] The packing component of this invention sets the diameter of the pit to less than or equal to 1 micrometer, that is, the diameter of the pit is at the micrometer level. The microstructure at the bottom of the pit forms a groove, which makes the contact between the liquid and the flue gas more intense, thus improving the flue gas treatment efficiency.

[0018] The packing assembly of this invention includes a plurality of packing components, which are the packing components described in the above embodiments, and the plurality of packing components are arranged at intervals in the vertical direction.

[0019] The packing assembly of this invention, by arranging multiple packing components at intervals in the vertical direction, allows the liquid to flow through multiple packing components sequentially from top to bottom, which can significantly increase the contact time and contact area between the liquid flowing through the packing assembly and the flue gas flowing through the packing assembly, thereby improving the flue gas treatment efficiency.

[0020] In some embodiments, the second end of the upper packing member of two adjacent packing members is adjacent to the first end of the lower packing member of two adjacent packing members.

[0021] The packing assembly of this invention, by placing the second end of the upper packing component adjacent to the first end of the lower packing component, that is, by placing the second end of the upper packing component and the first end of the lower packing component on the same side, allows the liquid on the upper packing component to flow from the first end of the upper packing component to the second end of the upper packing component, and then from the second end of the upper packing component downwards to the first end of the lower packing component. In other words, the liquid always flows in the direction from the first end of the packing component to the second end of the packing component, and then flows downwards from the second end of the packing component to the first end of the next layer of packing components. The multiple packing components form a trapezoidal flow guide, which can eliminate liquid phase deviation and achieve full contact between the liquid and flue gas in three-dimensional space, which is beneficial to improving the flue gas treatment efficiency.

[0022] The absorption tower of this invention includes: a shell; and a packing assembly, wherein the packing assembly is the packing assembly described in the above embodiment, and the packing assembly is disposed inside the shell.

[0023] The absorption tower of this invention, by placing the packing assembly inside the shell, allows flue gas to flow from bottom to top and liquid to flow from top to bottom. The flue gas and liquid mix within multiple packing components of the packing assembly, which helps to improve the flue gas treatment efficiency of the absorption tower.

[0024] In some embodiments, a first end of the packing component abuts against the inner wall surface of the housing, and a gap exists between a second end of the packing component and the inner wall surface of the housing.

[0025] The absorption tower of this invention achieves downward flow of liquid among multiple packing components by having a gap between the second end of the packing component and the inner wall of the shell, and by having a first end of the packing component abutting against the inner wall of the shell. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the packing component according to an embodiment of the present invention.

[0027] Figure 2 This is a schematic diagram of the packing plate of the packing component according to an embodiment of the present invention.

[0028] Figure 3 This is a schematic diagram of the packing assembly according to an embodiment of the present invention.

[0029] Figure label:

[0030] Packing assembly 100, Packing component 10, first end 110 of the packing component, second end 120 of the packing component Packing plate 1, first end 11 of packing plate, second end 12 of packing plate, protrusion 13, groove 14. Detailed Implementation

[0031] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0032] The following is in conjunction with the appendix Figures 1-3 The embodiments of the present invention will be described in detail below.

[0033] The packing component 10 of this embodiment includes a plurality of packing plates 1, which are arranged sequentially in a first direction orthogonal to the vertical direction. Each packing plate 1 has a first end and a second end that are arranged opposite to each other in the first direction. The first end 11 of one of the packing plates in two adjacent packing plates 1 is stacked on the second end 12 of the other packing plate in the two adjacent packing plates 1. The packing plate 1 has a plurality of protrusions 13 arranged at intervals in a second direction orthogonal to the first direction and the vertical direction. A groove 14 is formed between two adjacent protrusions 13. The size of the groove 14 in the second direction gradually decreases from top to bottom, and the groove 14 of one of the packing plates 1 in two adjacent packing plates 1 is opposite to and communicates with the groove 14 of the other packing plate in the two adjacent packing plates 1.

[0034] The packing component 10 of this embodiment of the invention arranges multiple packing plates 1 sequentially in a first direction, with the first end 11 of one of two adjacent packing plates 1 overlapping the second end 12 of the other two adjacent packing plates 1, forming an overlapping arrangement between the multiple packing plates 1. The packing plates 1 are configured to have multiple protrusions 13 in a second direction, with grooves 14 formed between adjacent protrusions 13, facilitating the flow of liquid within the grooves 14 of the packing plates 1. Furthermore, the grooves 14 of one of the adjacent packing plates 1 and the grooves 14 of the other adjacent packing plate 1 are interconnected. The relative and interconnected arrangement allows liquid to flow from the groove 14 of one of the two adjacent packing plates 1 to the groove 14 of the other of the two adjacent packing plates 1. The liquid is guided to flow along the extension direction of the groove 14 through multiple grooves 14, and the size of the groove 14 in the second direction gradually decreases from top to bottom. This allows the liquid to flow between multiple packing plates 1 while increasing the liquid holding capacity on the packing component 10, thereby increasing the contact time between the liquid on the packing component 10 and the flue gas flowing through the packing component 10, and thus improving the absorption efficiency of the absorption tower with the packing component 10.

[0035] Specifically, such as Figure 1 and Figure 2 As shown, the first end 11 of one of two adjacent packing plates 1 is stacked on top of the second end 12 of the other packing plate 1. This can be understood as either the first end 11 of one of two adjacent packing plates 1 being above the second end 12 of the other packing plate 1, or the first end 11 of one of two adjacent packing plates 1 being below the second end 12 of the other packing plate 1. In this embodiment, the first end 11 of one of two adjacent packing plates 1 is stacked on top of the second end 12 of the other packing plate 1, which facilitates the flow of liquid between the two adjacent packing plates 1.

[0036] The packing plate 1 has a plurality of protrusions 13 spaced apart in the second direction. The plurality of protrusions 13 have the same shape, so that the grooves 14 formed between two adjacent protrusions 13 have the same shape, which is conducive to the flow of liquid. By setting the size of the grooves 14 in the second direction to gradually decrease from top to bottom, the grooves 14 are wider at the top and narrower at the bottom, which makes it easier for the grooves 14 to guide the liquid to flow along the extension direction of the grooves 14 and improve the guiding effect.

[0037] Optionally, two adjacent packing plates 1 can be connected by welding. The stacking area between two adjacent packing plates 1 can be set according to the actual situation.

[0038] In some embodiments, the packing plate 1 extends in a direction from the first end 11 of the packing plate toward the second end 12 of the packing plate and is arranged at a downward inclination.

[0039] In this embodiment of the invention, the packing component 10 is arranged with the packing plate 1 extending downwards from the first end 11 of the packing plate toward the second end 12 of the packing plate. This allows the packing plate 1 to be tilted, facilitating the flow of liquid on the packing plate 1 from the first end 11 to the second end 12 of the packing plate under the action of gravity. Furthermore, the first end 11 of one of the two adjacent packing plates 1 is stacked on the second end 12 of the other of the two adjacent packing plates 1, so that the packing component 10 is tilted as a whole. This allows the liquid on the other of the two adjacent packing plates 1 to flow toward the first end 11 of one of the two adjacent packing plates 1, thereby achieving the flow of liquid between multiple packing plates 1 while guiding the liquid to flow downwards.

[0040] In some embodiments, the protrusion 13 is a trapezoidal protrusion, and the groove 14 is a trapezoidal groove.

[0041] In this embodiment of the invention, the packing component 10 is configured with the protrusion 13 as a trapezoidal protrusion and the groove 14 as a trapezoidal groove. That is, the bottom surface of the groove 14 is a plane. By using the plane to support the liquid, the contact area between the liquid and the groove 14 can be increased, while the liquid holding capacity on the packing plate 1 can be increased. This increases the contact area between the liquid on the packing component 10 and the packing component 10, while also increasing the liquid holding capacity on the packing component 10. As a result, the liquid on the packing component 10 can fully contact the flue gas flowing through the packing component 10, thereby improving the flue gas treatment efficiency.

[0042] Specifically, such as Figure 2 As shown, in the projection plane orthogonal to the first direction, the packing plate 1 is constructed as a continuous trapezoidal crest and trapezoidal trough. By carrying the liquid through the trapezoidal trough, the contact area between the packing plate 1 and the liquid can be increased.

[0043] In some embodiments, the bottom of the groove 14 is provided with a plurality of spaced-apart recesses.

[0044] The packing component 10 of this invention, by providing multiple spaced-apart pits at the bottom of the groove 14, generates vortices when the liquid flows through the pits, making the contact between the liquid and the flue gas flowing through the packing component 10 more intense, enhancing the reaction between the flue gas and the liquid, and thus improving the flue gas treatment efficiency. Furthermore, the arrangement of multiple pits causes the liquid to continuously generate vortices during flow, which is beneficial for improving the flue gas treatment efficiency.

[0045] Optionally, recesses can also be provided on the protrusions 13 of the filler plate 1. In this embodiment, it is not limited to providing recesses only at the bottom of the groove 14, but also to providing recesses at both the bottom and sides of the groove 14.

[0046] In some embodiments, the pit is an arc-shaped pit.

[0047] The packing component 10 of this invention sets the pits as arc-shaped pits, so that when the liquid flows through the arc-shaped pits, small vortices are generated, forming a Coanda effect that breaks the fluid boundary layer, forces the liquid to contact and renew the flue gas, prolongs the reaction time, and helps to improve the treatment efficiency of the flue gas.

[0048] Specifically, the pit is a hemispherical pit.

[0049] In some embodiments, the diameter of the pit is less than or equal to 1 micrometer.

[0050] In the packing component 10 of this invention, the diameter of the pit is set to be less than or equal to 1 micrometer, that is, the diameter of the pit is a micrometer-level pit. The pit forms a microstructure at the bottom of the groove 14, which makes the contact between the liquid and the flue gas more intense, which is beneficial to improving the flue gas treatment efficiency.

[0051] For example, the diameters of the pits are 0.1 micrometers, 0.2 micrometers, 0.3 micrometers, 0.4 micrometers, 0.5 micrometers, 0.65 micrometers, 0.7 micrometers, 0.8 micrometers, and 0.9 micrometers.

[0052] The packing assembly 100 of this embodiment includes a plurality of packing components 10, which are the packing components 10 of the above embodiment, and the plurality of packing components 10 are arranged at intervals in the vertical direction.

[0053] The packing assembly 100 of this invention arranges multiple packing components 10 at intervals in the vertical direction, so that the liquid needs to flow through multiple packing components 10 sequentially from top to bottom. This can greatly increase the contact time and contact area between the liquid flowing through the packing assembly 100 and the flue gas flowing through the packing assembly 100, thereby improving the flue gas treatment efficiency.

[0054] Specifically, such as Figure 3 As shown, multiple packing components 10 are arranged at intervals in the vertical direction, so that the liquid on the upper packing component 10 of two adjacent packing components 10 can flow to the end of the packing component 10 and then flow downward to the lower packing component 10 of the two adjacent packing components 10. That is, the liquid flows along the extension direction of the first packing component 10 and then flows downward to the second packing component 10, and then flows along the extension direction of the second packing component 10 and then flows downward to the third packing component 10. The liquid flows through multiple packing components 10 in sequence, which can increase the contact area and contact time between the liquid and the packing assembly 100, promote the contact time between the liquid and the flue gas, and help improve the treatment efficiency of the flue gas.

[0055] In some embodiments, the second end 120 of the upper packing member of two adjacent packing members 10 is adjacent to the first end 110 of the lower packing member of two adjacent packing members 10.

[0056] The packing assembly 100 of this embodiment of the invention, by placing the second end 120 of the upper packing component of two adjacent packing components 10 adjacent to the first end 110 of the lower packing component of two adjacent packing components 10, that is, by placing the second end 120 of the upper packing component of two adjacent packing components 10 and the first end 110 of the lower packing component of two adjacent packing components 10 on the same side, allows the liquid on the upper packing component 10 to flow from the first end 110 to the second end 120 of the packing component and then flow downward from the second end 120 to the first end 110 of the lower packing component. In other words, the liquid on the packing component 10 always flows in the direction from the first end 110 to the second end 120 of the packing component and then flows downward from the second end 120 to the first end 110 of the next layer of packing components. The multiple packing components 10 form a trapezoidal flow guide, which can eliminate liquid phase deviation and achieve full contact between the liquid and the flue gas in three-dimensional space, which is beneficial to improving the flue gas treatment efficiency.

[0057] Specifically, such as Figure 3 As shown, a "Z"-shaped flow channel is formed between multiple packing components 10. Flue gas flows from bottom to top along the "Z"-shaped flow channel, and liquid flows from top to bottom along the "Z"-shaped flow channel to contact and react with the flue gas, so that the flue gas and liquid are fully in contact, thereby improving the flue gas treatment efficiency.

[0058] The absorption tower of this invention includes a shell and a packing assembly 100. The packing assembly 100 is the same as the packing assembly 100 in the above embodiment, and the packing assembly 100 is disposed inside the shell.

[0059] The absorption tower of this invention, by placing the packing assembly 100 inside the shell, allows flue gas to flow from bottom to top and liquid to flow from top to bottom. The flue gas and liquid are mixed in the multiple packing components 10 of the packing assembly 100, which helps to improve the flue gas treatment efficiency of the absorption tower.

[0060] Specifically, the packing assembly 100 fills the space in the diameter of the absorption tower both radially and laterally, forming the core reaction zone for gas-liquid contact reaction within the absorption tower. The absorption tower also includes a spray assembly located above the packing assembly 100, used to spray liquid onto the packing assembly 100 to improve the uniformity of liquid distribution.

[0061] In some embodiments, the first end 110 of the packing member abuts against the inner wall surface of the housing, and the second end 120 of the packing member has a gap with the inner wall surface of the housing.

[0062] In the absorption tower of this invention, the first end 110 of the packing component abuts against the inner wall surface of the shell, and the second end 120 of the packing component has a gap with the inner wall surface of the shell, so that the liquid on the packing component 10 can flow downward through the gap between the second end 120 of the packing component and the inner wall surface of the shell to the next layer of packing component 10, thereby realizing the downward flow of liquid among multiple packing components 10.

[0063] In the absorption tower of this invention, liquid is sprayed onto the uppermost packing component 10 of the packing assembly 100 via a spraying assembly. Since the packing component 10 includes multiple sequentially arranged packing plates 1, and each packing plate 1 has a trapezoidal groove, the liquid does not fall straight down under gravity, but flows sequentially along the trapezoidal grooves of the packing plates 1, passing over multiple packing plates 1 before flowing downwards to the next layer of packing component 10. The trapezoidal grooves allow the liquid to spread evenly on the flat bottom of the groove, improving the uniformity of liquid distribution and increasing the contact area between the packing plates 1 and the liquid. Furthermore, the bottom of the trapezoidal grooves... A hemispherical recess is created, and the Coanda effect is used to generate vortices when the liquid flows through the recess. This prolongs the residence time of the liquid on the packing component 10 and enhances the contact reaction between the liquid and the flue gas. Finally, through the 3D staggered stacking of multiple packing components 10, the flue gas and liquid are forced to flow along a "Z"-shaped flow channel. The rising flue gas is forced to frequently change direction in the Z-shaped three-dimensional flow channel, and it collides and mixes violently with the downward flowing liquid. This prolongs the flow path of the flue gas and liquid, allowing the flue gas and liquid to fully contact each other, improving the reaction efficiency of the flue gas, and thus significantly improving the absorption efficiency of carbon dioxide.

[0064] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" 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 invention and simplifying the description, and are not intended to 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 invention.

[0065] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0066] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0067] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0068] In this invention, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0069] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A packing component, characterized in that, include: Multiple packing plates are arranged sequentially in a first direction, which is orthogonal to the vertical direction. Each packing plate has a first end and a second end that are opposite to each other in the first direction. The first end of one of two adjacent packing plates overlaps the second end of the other of the two adjacent packing plates. The packing plate has a plurality of protrusions spaced apart in a second direction, which is orthogonal to the first direction and the up-down direction. A groove is formed between two adjacent protrusions. The size of the groove in the second direction gradually decreases from top to bottom. The groove of one of the two adjacent packing plates is opposite to and communicates with the groove of the other of the two adjacent packing plates.

2. The packing component according to claim 1, characterized in that, The packing plate extends downward in a direction from the first end of the packing plate toward the second end of the packing plate.

3. The packing component according to claim 1, characterized in that, The protrusion is a trapezoidal protrusion, and the groove is a trapezoidal groove.

4. The packing component according to claim 3, characterized in that, The bottom of the groove has multiple recesses arranged at intervals.

5. The packing component according to claim 4, characterized in that, The pit is an arc-shaped pit.

6. The packing component according to claim 5, characterized in that, The diameter of the pit is less than or equal to 1 micrometer.

7. A packing assembly, characterized in that, It includes multiple packing components, which are the packing components according to any one of claims 1-6, and the multiple packing components are arranged at intervals in the vertical direction.

8. The packing assembly according to claim 7, characterized in that, The second end of the upper packing component of two adjacent packing components is adjacent to the first end of the lower packing component of the two adjacent packing components.

9. An absorption tower, characterized in that, include: case; A packing assembly, wherein the packing assembly is any one of claims 7-8, and the packing assembly is disposed within the housing.

10. The absorption tower according to claim 9, characterized in that, The first end of the packing component abuts against the inner wall surface of the housing, and the second end of the packing component has a gap with the inner wall surface of the housing.

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