Gas-liquid mixing device and gas-liquid reaction equipment

Abstract

The utility model provides a gas-liquid mixing device and gas-liquid reaction equipment. The gas-liquid mixing device comprises: a liquid distribution plate provided with a plurality of through holes; and the filler piece is arranged on the bottom side of the liquid distribution plate, the filler piece is provided with a porous top surface, and the porous top surface of the filler piece is in contact with the bottom surface of the liquid distribution plate. When the reaction solution falls on the top surface of the liquid distribution plate, the reaction solution can flow to the bottom surface of the liquid distribution plate through the through holes. As the porous top surface of the filler is in contact with the bottom surface of the liquid distribution plate, a capillary phenomenon is formed between the porous top surface and the bottom surface of the liquid distribution plate, so that a reaction solution flowing to the bottom surface of the liquid distribution plate from the through holes is attracted, the reaction solution is more sufficiently distributed on the bottom surface of the liquid distribution plate to form a uniform water film, the bottom surface of the liquid distribution plate is sufficiently utilized, and the reaction efficiency is improved. The contact area of the reaction solution and the gas is increased, so that the reaction efficiency of the gas and the reaction solution is improved.

Description

Technical Field

[0001] This utility model relates to the field of gas processing technology, and in particular to a gas-liquid mixing device and a gas-liquid reaction device. Background Technology

[0002] Large quantities of gases generated during industrial production typically require treatment in a gas treatment tower before being released into the atmosphere. Generally, the gas enters the tower from the bottom and flows from the bottom to the top, eventually exiting from the top. Simultaneously, a reaction solution is released inside the tower. As the gas flows from bottom to top, it reacts with the solution, removing harmful substances such as sulfur dioxide or extracting substances like carbon dioxide. Therefore, the reaction efficiency between the gas and the reaction solution within the tower significantly impacts the degree of gas purification. Utility Model Content

[0003] One objective of this invention is to provide a gas-liquid mixing device and a gas-liquid reaction apparatus that can improve the efficiency of gas-liquid reactions.

[0004] Specifically, this utility model provides a gas-liquid mixing device, comprising:

[0005] The liquid distribution plate has multiple through holes; and

[0006] A packing element is disposed on the bottom side of the liquid distribution plate. The packing element has a porous top surface that contacts the bottom surface of the liquid distribution plate.

[0007] Optionally, the packing element includes a plurality of packing plates, the plurality of packing plates having the same height, and the upper edges of the plurality of packing plates forming a porous top surface of the packing element.

[0008] Optionally, the through holes are arranged in multiple rows, and the multiple packing plates are arranged side by side with their surfaces facing each other according to the row distribution direction of the through holes. The upper edges of the multiple packing plates form the top surface of the packing element, and the packing plates are staggered with each row of through holes.

[0009] Optionally, the packing plate is a corrugated plate, so that the upper edge of the packing plate is corrugated.

[0010] Optionally, the liquid distribution plate is provided with a plurality of cover shells, all of which are disposed on the top surface of the liquid distribution plate. Each cover shell corresponds to a through hole and its projection on the top surface of the liquid distribution plate at least partially covers the corresponding through hole. The edges of the cover shell and the through hole together form a communication port communicating with the through hole. The communication port forms an acute angle at the junction of the cover shell and the through hole.

[0011] Optionally, the edge of the through hole has a straight portion, and the cover shell is connected to both ends of the straight portion to form the communication opening.

[0012] Optionally, all the connecting ports face the same side in the direction of the distribution of the through holes, and the contact position between the packing element and the liquid distribution plate is located on the opening side of the connecting port corresponding to one of the through holes.

[0013] Optionally, the cover shell has a bent surface on the side facing the through hole, the concave side of the bent surface facing the through hole, and the bent surface extends from the through hole to the communication opening.

[0014] Optionally, the bending surface is a smooth curved surface.

[0015] Optionally, the packing element is formed by stacking multiple bulk packings, which form a porous top surface of the packing element. The multiple bulk packings include one or more of Pall rings, Raschig rings, rectangular saddle rings, and cup rings.

[0016] In another aspect of this application, a gas-liquid reaction apparatus is also provided, comprising:

[0017] The reaction tower forms a reaction space;

[0018] An infusion device, disposed within the reaction space, is used to deliver a reaction solution into the reaction space; and

[0019] According to any of the above-mentioned gas-liquid mixing devices, the gas-liquid mixing device is disposed within the reaction space and located below the infusion device.

[0020] This invention relates to a gas-liquid mixing device and a gas-liquid reaction apparatus. A packing element is installed on the bottom side of a liquid distribution plate, with its top surface configured as a porous structure, allowing the porous top surface to contact the bottom surface of the liquid distribution plate. When the reaction solution falls onto the top surface of the liquid distribution plate, it flows through the through-holes to the bottom surface. Because the porous top surface of the packing element contacts the bottom surface of the liquid distribution plate, a capillary effect is created, attracting the reaction solution flowing from the through-holes to the bottom surface. This results in a more thorough distribution of the reaction solution on the bottom surface of the liquid distribution plate, forming a uniform water film and fully utilizing the bottom surface. Subsequently, the attracted reaction solution, upon contacting the packing element, flows downwards and covers the packing element. This ensures uniform and thorough diffusion of the reaction solution on the bottom surface of the liquid distribution plate and the surface of the packing element, increasing the contact area between the reaction solution and the gas, thereby improving the reaction efficiency between the gas and the reaction solution.

[0021] The above and other objects, advantages and features of this utility model will become more apparent to those skilled in the art from the following detailed description of specific embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0022] The following sections will describe some specific embodiments of the present invention in a detailed manner by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or components. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

[0023] Figure 1 This is a schematic diagram of a gas-liquid reaction apparatus according to an embodiment of the present invention;

[0024] Figure 2 This is a schematic diagram of a gas-liquid mixing device according to an embodiment of the present invention;

[0025] Figure 3 This is a schematic side view of a gas-liquid mixing device according to an embodiment of the present invention;

[0026] Figure 4 This is a schematic cross-sectional view of a gas-liquid mixing device according to an embodiment of the present invention;

[0027] Figure 5 This is a schematic diagram of a liquid distribution plate in a gas-liquid mixing device according to an embodiment of the present invention;

[0028] Figure 6 This is another schematic diagram of the liquid distribution plate in a gas-liquid mixing device according to an embodiment of the present invention;

[0029] Figure 7 This is a schematic enlarged view of the communication port of a gas-liquid mixing device according to an embodiment of the present invention;

[0030] Figure 8 This is a schematic cross-sectional view of a cover portion of a gas-liquid mixing device according to an embodiment of the present invention. Detailed Implementation

[0031] Those skilled in the art should understand that the embodiments described below are merely some embodiments of the present invention, and not all embodiments of the present invention. These embodiments are intended to explain the technical principles of the present invention and are not intended to limit the scope of protection of the present invention. Based on the embodiments provided by the present invention, all other embodiments obtained by those skilled in the art without creative effort should still fall within the scope of protection of the present invention.

[0032] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model 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, and therefore should not be construed as a limitation of this utility model.

[0033] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 direct connection, an indirect connection through an intermediate medium, or a connection within 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.

[0034] like Figure 1 As shown, in one embodiment, the gas-liquid reaction apparatus 10 includes a reaction tower 100, a liquid delivery device 200, and a gas-liquid mixing device 300. The reaction tower 100 forms a reaction space 101. The liquid delivery device 200 is disposed within the reaction space 101 and is used to deliver the reaction solution into the reaction space 101. The liquid delivery device 200 can be a device such as a sprayer or a drip irrigation device. The gas-liquid mixing device 300 is disposed within the reaction space 101 and located below the liquid delivery device 200.

[0035] like Figures 1 to 4 As shown, in one embodiment, the gas-liquid mixing device 300 includes a liquid distribution plate 310 and a packing member 320. The liquid distribution plate 310 is provided with a plurality of through holes 301. The packing member 320 is disposed on the bottom side of the liquid distribution plate 310. The packing member 320 has a porous top surface, and the porous top surface of the packing member 320 contacts the bottom surface of the liquid distribution plate 310.

[0036] like Figures 1 to 4 As shown, the through holes 301 are arranged in multiple rows. The packing member 320 includes multiple packing plates 321. The multiple packing plates 321 are arranged side by side with their surfaces facing each other according to the row distribution direction of the through holes 301. The upper edges of the multiple packing plates 321 form the top surface of the packing member 320, and the packing plates 321 are staggered with each row of through holes 301.

[0037] Reference Figure 4 As shown, in Figure 4In the planar orientation, the through holes 301 are arranged in ten rows along the vertical direction, with five through holes 301 in each row. The packing element 320 includes nine packing plates 321, each packing plate 321 being disposed between two adjacent rows of through holes 301. The upper edge of the packing plate 321 constitutes the top surface of the packing element 320, which is a porous pattern composed of ribs, meaning the spacing between the upper edges of the packing plates 321 is the number of holes. The upper edge of the packing plate 321 contacts the bottom surface of the liquid distribution plate 310.

[0038] It should be noted that those skilled in the art can flexibly set the number of rows of through holes and the number of through holes in each row as needed. In addition, the packing component may have one or two packing plates that are not located between two adjacent rows of through holes, that is, the outermost packing plate along the distribution direction of the through hole rows is closer to the edge of the liquid distribution plate than the through holes in the outermost row.

[0039] Continue to refer to Figures 1 to 4 As shown, the gas-liquid mixing device 300 is disposed within the reaction space 101 and located below the infusion device 200, meaning the packing element 320 is located on the side of the distribution plate 310 facing away from the infusion device 200. During the process of the infusion device 200 supplying the reaction solution into the reaction space 101, the reaction solution falls onto the top surface of the distribution plate 310, and then flows through the through-hole 301 to the bottom surface of the distribution plate 310. Because the porous top surface of the packing element 320 is in contact with the bottom surface of the distribution plate 310, a capillary effect is formed between them, attracting the reaction solution flowing from the through-hole 301 to the bottom surface of the distribution plate 310. This results in a more thorough distribution of the reaction solution on the bottom surface of the distribution plate 310, forming a uniform water film. Subsequently, the attracted reaction solution, upon contacting the packing plate 321, also flows downwards and covers the surface of the packing plate 321.

[0040] In addition, the reaction tower 100 is also provided with an air inlet 102, which is located below the gas-liquid mixing device 300. Gas enters the reaction space 101 through the air inlet 102 and rises to the top of the reaction space 101. When the gas rises to the gas-liquid mixing device 300, it reacts with the reaction solution on the surface of the packing component 320 and the bottom surface of the liquid distribution plate 310. Then, the gas passes through the through hole 301 through the liquid distribution plate 310, flows to the top of the liquid distribution plate 310, and then reacts with the reaction solution on the top surface of the liquid distribution plate 310.

[0041] In this embodiment, a packing member 320 is provided on the bottom side of the liquid distribution plate 310, and the packing member 320 is configured with a porous top surface, so that the porous top surface of the packing member 320 contacts the bottom surface of the liquid distribution plate 310. When the reaction solution falls onto the top surface of the liquid distribution plate 310, the reaction solution can flow to the bottom surface of the liquid distribution plate 310 through the through hole 301. Because the porous top surface of the packing member 320 is in contact with the bottom surface of the liquid distribution plate 310, a capillary effect is formed between them, thereby attracting the reaction solution flowing to the bottom surface of the liquid distribution plate 310 from the through hole 301, thus making the reaction solution more fully distributed on the bottom surface of the liquid distribution plate 310, forming a uniform water film, thereby making full use of the bottom surface of the liquid distribution plate 310. Subsequently, the attracted reaction solution, after contacting the packing member 320, will also flow from top to bottom and cover the packing member 320. This allows the reaction solution to diffuse more evenly and fully on the bottom surface of the liquid distribution plate 310 and the surface of the packing component 320, increasing the contact area between the reaction solution and the gas, thereby improving the reaction efficiency between the gas and the reaction solution.

[0042] In addition, by setting the through holes 301 to be distributed in multiple rows, and arranging the multiple packing plates 321 constituting the packing member 320 in a parallel manner with their surfaces facing each other according to the row distribution direction of the through holes 301, and with the packing plates 321 and each row of through holes 301 being staggered, the above structure is more regular, thereby facilitating production and reducing production costs.

[0043] It should be noted that, although not shown in the figure, multiple packing plates can be connected together by connectors, such as connecting rods. Alternatively, the gas-liquid mixing device may also include a connecting plate, which has the same height and thickness as the packing plates in the above embodiments but a different width. The connecting plate is disposed between two adjacent packing plates to connect them together. Furthermore, the connecting plate is located between two adjacent rows of through holes.

[0044] It should be noted that in some other embodiments, the through holes on the liquid distribution plate can also be irregularly distributed. In this case, multiple packing plates of the packing element can have the same height and thickness but different widths, and can be connected according to the distribution of the through holes. In this way, the upper edges of each plate are used to form an irregular porous top surface of the packing element.

[0045] In other words, the packing element includes multiple packing plates with the same height, and the upper edges of the multiple packing plates form the porous top surface of the packing element.

[0046] like Figures 2 to 4As shown, the packing plate 321 is a corrugated plate, resulting in a corrugated upper edge. By setting the packing plate 321 as a corrugated plate, the surface area of ​​the packing plate 321 can be increased, thereby increasing the contact area between the reaction solution and the gas and improving the reaction efficiency of the gas and the reaction solution. The corrugated upper edge of the packing plate 321 also helps to enhance the attraction effect on the reaction solution, further ensuring that the reaction solution is fully diffused on the bottom surface of the liquid distribution plate 310.

[0047] like Figures 2 to 8 As shown, the liquid distribution plate 310 is provided with a plurality of cover shells 330. All cover shells 330 are disposed on the top surface of the liquid distribution plate 310. Each cover shell 330 corresponds to a through hole 301 and its projection on the top surface of the liquid distribution plate 310 at least partially covers the corresponding through hole 301. The edges of the cover shell 330 and the through hole 301 together form a connecting opening 302 that communicates with the through hole 301. The connecting opening 302 forms an acute angle at the junction of the cover shell 330 and the through hole 301.

[0048] like Figures 2 to 8 As shown, the cover 330 protrudes from the top surface of the liquid distribution plate 310. The portion of the cover 330 that fits against the liquid distribution plate 310 surrounds a portion of the edge of the through hole 301, while the edge of the through hole 301 not surrounded by the cover 330, together with the cover 330, forms a connecting opening 302 that communicates with the through hole 301. In other words, the cover 330 forms a space between the through hole 301 and the connecting opening 302 on the top surface of the liquid distribution plate 310. Furthermore, the connecting opening 302 forms an acute angle at the junction of the cover 330 and the through hole 301. Specifically, the angle of the connecting opening 302 at the junction of the cover 330 and the through hole 301 is greater than or equal to 10 degrees and less than or equal to 45 degrees. For example, it could be 10 degrees, 13 degrees, 20 degrees, 27 degrees, 30 degrees, 35 degrees, 40 degrees, or 45 degrees, etc.

[0049] In this embodiment, by providing a cover 330 corresponding to the through hole 301 on the top surface of the liquid distribution plate 310, the projection of each cover 330 on the top surface of the liquid distribution plate 310 at least partially covers the corresponding through hole 301. This prevents the reaction solution falling into the gas-liquid mixing device 300 from directly falling into the through hole 301 due to the obstruction of the cover 330. Therefore, most of the reaction solution falls onto the top surface of the liquid distribution plate 310. The edges of the cover 330 and the through hole 301 together form a connecting opening 302 that communicates with the through hole 301. The connecting opening 302 forms an acute angle at the junction of the cover 330 and the through hole 301, thus creating a capillary effect at the junction of the cover 330 and the through hole 301. This draws the reaction solution falling onto the top surface of the liquid distribution plate 310 into the connecting opening 302, and then allows the reaction solution to flow through the through hole 301 to the lower surface of the liquid distribution plate 310. In this way, the connecting port 302 attracts the reaction solution on the surface of the distribution plate 310, preventing the reaction solution from accumulating too thickly on the surface of the distribution plate 310. This allows the reaction solution to be more dispersed on the top surface of the distribution plate 310, helping to cover the top surface of the distribution plate 310 with a uniform thickness, thereby increasing the contact area with the gas and improving the reaction efficiency between the gas and the reaction solution. Combined with the capillary effect between the packing element 320 and the bottom surface of the distribution plate 310, the reaction solution is evenly distributed on both the top and bottom surfaces of the distribution plate 310.

[0050] In addition, by setting the angle of the connecting port 302 at the junction of the cover shell 330 and the through hole 301 to be greater than or equal to 10 degrees and less than or equal to 45 degrees, the flow of gas is not excessively hindered while ensuring a good attraction effect on the reaction solution.

[0051] like Figures 2 to 8 As shown, the edge of the through hole 301 has a straight portion 311, and the cover 330 connects to both ends of the straight portion 311 to form a connecting opening 302. Specifically, the edge of the through hole 301 is arc-shaped, and the straight portion 311 is the bowstring portion of the arc. The portion of the cover 330 that contacts the surface of the liquid distribution plate 310 surrounds the arc portion of the arc-shaped through hole 301, and thus connects to both ends of the bowstring portion, that is, to both ends of the straight portion 311. The connecting opening 302 forms an acute angle at the junction of the cover 330 and the through hole 301, that is, the position where the cover 330 connects to the two ends of the straight portion 311 forms an acute angle.

[0052] In this embodiment, by setting a portion of the edge of the through hole 301 as a straight portion 311, the cover 330 and the two ends of the straight portion 311 are connected to form a connecting opening 302. That is, the connecting opening 302 forms an acute angle at the position where the cover 330 and the two ends of the straight portion are connected, which makes the structure of the cover 330 and the edge of the through hole 301 forming an acute angle simpler and easier to manufacture.

[0053] It should be noted that in some other embodiments, the shape of the through hole with the straight portion can also be other shapes, such as square, triangle, or other polygons. In addition, the shape of the through hole can also be circular or elliptical, and the connection between the opening and the cover can also be an acute angle.

[0054] like Figures 2 to 8 As shown, all the connecting ports 302 face the same side in the direction of the rows of through holes 301, and the contact positions of the packing member 320 and the liquid distribution plate 310 are all located on the opening side of the connecting port 302 corresponding to a through hole 301. Figure 4 In terms of the mid-plane orientation, specifically, all the connecting ports 302 face downwards, and the contact position between the packing element 320 and the liquid distribution plate 310 is located on the lower side of a through hole 301, that is, the opening side of the connecting port 302 corresponding to the through hole 301 in that row.

[0055] By aligning the contact points of the packing element 320 and the liquid distribution plate 310 with the opening side of the connecting port 302 corresponding to the row of through holes 301, the contact points of the packing element 320 and the liquid distribution plate 310 are closer to the connecting port 302. This makes it easier for the reaction solution absorbed by the connecting port 302 and flowing down from the through hole 301 to be attracted by the contact points of the packing element 320 and the liquid distribution plate 310, thus ensuring the adsorption effect and the diffusion effect of the reaction solution.

[0056] It should be noted that in some other embodiments, the orientation of the connection port may also be different.

[0057] Reference Figures 2 to 8 As shown, the plane of the connecting port 302 is perpendicular to the top surface of the liquid distribution plate 310. Specifically, the axis of the connecting port 302 is parallel to the top surface of the liquid distribution plate 310. By making the plane of the connecting port 302 perpendicular to the top surface of the liquid distribution plate 310, the gas can flow parallel to the top surface of the liquid distribution plate 310, which is beneficial to the diffusion of gas on the top surface of the liquid distribution plate 310, thereby improving the reaction efficiency with the reaction solution on the top surface of the liquid distribution plate 310.

[0058] like Figure 8 As shown, the cover 330 has a bent surface on the side facing the through hole 301, with the concave side of the bent surface facing the through hole 301. The bent surface extends from the through hole 301 to the connecting opening 302. The bent surface is a smooth curved surface. This structure allows gas from the through hole 301 to flow towards the bent surface, and then, guided by the bent surface, flow towards the connecting opening 302, thus making the gas flow smoother and preventing turbulence caused by abrupt changes in flow direction.

[0059] It should be noted that in some other embodiments, the packing element may also be formed by stacking multiple bulk packings, which stack to form a porous top surface of the packing element. The multiple bulk packings include one or more of Pall rings, Raschig rings, rectangular saddle rings, and cup rings.

[0060] Therefore, those skilled in the art should recognize that although many exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications conforming to the principles of the present invention can be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. A gas-liquid mixing device, characterized by, The gas-liquid mixing device comprises: a liquid distribution plate provided with a plurality of through holes; and a filler arranged on the bottom side of the liquid distribution plate, the filler having a porous top surface, and the porous top surface of the filler being in contact with the bottom surface of the liquid distribution plate.

2. The gas-liquid mixing device according to claim 1, wherein the filler comprises a plurality of filler plates, the plurality of filler plates having the same height, and the upper edges of the plurality of filler plates constituting the porous top surface of the filler.

3. The gas-liquid mixing device according to claim 2, wherein the through holes are arranged in multiple rows, the plurality of filler plates are arranged side by side with the plate surfaces opposite to each other in the direction of row distribution of the through holes, and the filler plates are staggered with each row of through holes.

4. The gas-liquid mixing device according to claim 3, wherein the filler plates are wave-shaped plates, so that the upper edges of the filler plates are wave-shaped.

5. The gas-liquid mixing device according to claim 1, wherein the liquid distribution plate is provided with a plurality of cover shells, all the cover shells are arranged on the top surface of the liquid distribution plate, each cover shell corresponds to one through hole and at least partially covers the corresponding through hole in the projection on the top surface of the liquid distribution plate, the cover shell and the edge of the through hole jointly form a communication port in communication with the through hole, and the communication port is an acute angle at the joint of the cover shell and the through hole.

6. The gas-liquid mixing device according to claim 5, wherein the edge of the through hole has a flat part, and the cover shell is connected to both ends of the flat part to form the communication port.

7. The gas-liquid mixing device according to claim 6, wherein all the communication ports are directed to the same side in the direction of row distribution of the through holes, and the contact positions of the filler and the liquid distribution plate are all located on the opening side of the corresponding communication port of one through hole.

8. The gas-liquid mixing device according to claim 5, wherein a bending surface is formed on the side of the cover shell facing the through hole, the concave side of the bending surface faces the through hole, and the bending surface extends from the through hole to the communication port.

9. The gas-liquid mixing device according to claim 8, wherein the bending surface is a smooth curved surface.

10. The gas-liquid mixing device according to claim 1, wherein the filler is formed by stacking a plurality of bulk fillers, the plurality of bulk fillers form the porous top surface of the filler, and the plurality of bulk fillers comprise one or more of a Pall ring, a Raschig ring, a rectangular saddle ring, and a cup-shaped ring.

11. A gas-liquid reaction apparatus characterized by comprising: The gas-liquid mixing device according to any one of claims 1 to 10 is arranged in the reaction space below the liquid feeding device. ​ ​ ​ ​

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