Preparation of catalyst for electrocatalytic carbon dioxide reduction

By designing a catalyst preparation system for electrocatalytic carbon dioxide reduction, including a spray device and a stirring device, the problem of difficulty in completely dissolving carbon dioxide is solved, and the full dissolution and efficient reduction of carbon dioxide are achieved.

CN222368794UActive Publication Date: 2025-01-21BEIJING CARBON KNOWLEDGE TECH CO LTD
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Patent Information

Application Number
CN202421131543.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-01-21
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

In the preparation of existing electrocatalytic carbon dioxide reduction catalysts, it is difficult for carbon dioxide to be completely dissolved in the electrolyte, which affects working efficiency.

Method used

A catalyst preparation system including an absorption tower, a spray device and a stirring device was designed. The electrolyte is sprayed into a mist through the spray device. The carbon dioxide at the nozzle is absorbed by the mist electrolyte, and the stirring device accelerates the dissolution of the carbon dioxide.

Benefits of technology

It effectively ensures that carbon dioxide can be fully dissolved in the electrolyte, improves work efficiency and facilitates the reduction process of carbon dioxide.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electro-catalysis preparation, and discloses preparation of a catalyst for electro-catalysis carbon dioxide reduction, which comprises an absorption tower, the top of the absorption tower is fixedly connected with a tower cover, the bottom of the absorption tower is fixedly connected with a spraying device, and the middle of the bottom of the absorption tower is fixedly connected with a stirring device. The periphery of the bottom of the absorption tower is fixedly connected with a fixing cylinder, and the interior of the fixing cylinder is movably connected with a fixing column. By arranging the spraying device, it is guaranteed that carbon dioxide can be fully dissolved in electrolyte, and the electrolyte can be stirred by a stirring shaft by starting a motor; according to the carbon dioxide absorption tower, the water pump is started, so that carbon dioxide can be rapidly dissolved in the electrolyte, meanwhile, the electrolyte can be sprayed out of the spray head through the spray pipe to form vaporific electrolyte by starting the water pump, the carbon dioxide rising to the position above the absorption tower can be absorbed by the vaporific electrolyte, and it is guaranteed that the carbon dioxide can be fully dissolved in the electrolyte.
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Description

Technical Field

[0001] The utility model relates to the technical field of electrocatalytic preparation, and more specifically to the preparation of a catalyst for electrocatalytic carbon dioxide reduction. Background Art

[0002] Carbon dioxide gas is part of the atmosphere (accounting for about 0.03% of the total volume of the atmosphere) and is abundant in nature. Carbon dioxide is the main product of the combustion of fossil fuels such as organic matter, minerals and oil. While burning fossil fuels to provide energy, they emit a large amount of carbon dioxide gas. Carbon dioxide gas is considered to be one of the main components causing the greenhouse effect and global warming, accounting for about 67% of the total greenhouse gas, and has posed a threat to the human living environment. With the growing demand for energy, how to control carbon dioxide emissions has become a global concern, especially in the development and utilization of carbon dioxide, how to turn waste into treasure, scientists from all over the world have proposed many innovative ideas and technical routes for carbon dioxide in the fields of food, biology, agriculture, and chemical industry. Therefore, converting carbon dioxide into useful chemicals and realizing the recycling of carbon resources are practical problems that urgently need to be solved in the field of energy and environment.

[0003] The shortcomings of the existing technology: The preparation of the existing electrocatalytic carbon dioxide reduction catalyst generally requires dissolving carbon dioxide into an electrolyte. However, during the dissolution, carbon dioxide easily rises to the top of the absorption tower, so that carbon dioxide cannot be completely dissolved in the electrolyte, which is not conducive to the work. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a catalyst preparation for electrocatalytic carbon dioxide reduction to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical scheme: a catalyst preparation for electrocatalytic carbon dioxide reduction, comprising an absorption tower, wherein the top of the absorption tower is fixedly connected with a tower cover, the bottom of the absorption tower is fixedly connected with a spray device, the middle of the bottom of the absorption tower is fixedly connected with a stirring device, the bottom of the absorption tower is fixedly connected with a fixed cylinder around, the interior of the fixed cylinder is movably connected with a fixed column, the spray device comprises a spray pipe, the outer side of the spray pipe is fixedly connected with a water pump, and one end of the spray pipe is fixedly connected with a spray head.

[0006] Preferably, the absorption tower comprises a tower body, one side of the tower body is fixedly connected to an air inlet pipe, and the bottom of the tower body is fixedly connected to an outlet pipe.

[0007] Preferably, the fixing cylinder comprises a cylinder body, the interior of the cylinder body is movably connected with a bolt, and the outer side of the bolt is movably connected with a nut.

[0008] Preferably, the fixed column comprises a column body, the bottom of the column body is fixedly connected to a bottom block, and a slot is provided inside the column body.

[0009] Preferably, the stirring device comprises a motor, a rotating shaft is fixedly connected to the top of the motor, and a stirring shaft is fixedly connected to the outer side of the rotating shaft.

[0010] Preferably, the tower cover comprises a cover body, and a through groove is provided inside the cover body.

[0011] Technical effects and advantages of the utility model:

[0012] The utility model is provided with a spray device, which is conducive to ensuring that carbon dioxide can be fully dissolved in the electrolyte. When in use, the carbon dioxide can enter the absorption tower through the air inlet pipe, and the stirring shaft can stir the electrolyte by starting the motor, so that the carbon dioxide can be quickly dissolved in the electrolyte. At the same time, by starting the water pump, the electrolyte can be sprayed out from the nozzle through the nozzle through the nozzle in the form of a mist electrolyte, and then the carbon dioxide rising to the top of the absorption tower can be absorbed by the mist electrolyte, ensuring that the carbon dioxide can be fully dissolved in the electrolyte, and facilitating the work. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 3 It is a schematic diagram of the overall structure of the spray device of the utility model.

[0016] Figure 4 It is a schematic diagram of the overall structure of the fixing cylinder of the utility model.

[0017] Figure 5 It is a schematic diagram of the overall structure of the tower cover of the utility model.

[0018] The accompanying drawings are marked as follows: 1. absorption tower; 101. tower body; 102. air inlet pipe; 103. output pipe; 2. spray device; 201. spray pipe; 202. water pump; 203. nozzle; 3. fixing cylinder; 301. cylinder body; 302. bolt; 303. nut; 4. fixing column; 401. column body; 402. bottom block; 403. slot; 5. stirring device; 501. motor; 502. rotating shaft; 503. stirring shaft; 6. tower cover; 601. cover body; 602. through groove. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The preparation of the catalyst for electrocatalytic carbon dioxide reduction involved in the present invention is not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0020] The utility model provides a catalyst preparation for electrocatalytic carbon dioxide reduction, comprising an absorption tower 1, a tower cover 6 is fixedly connected to the top of the absorption tower 1, a spray device 2 is fixedly connected to the bottom of the absorption tower 1, a stirring device 5 is fixedly connected to the middle of the bottom of the absorption tower 1, a fixed cylinder 3 is fixedly connected to the four sides of the bottom of the absorption tower 1, a fixed column 4 is movably connected inside the fixed cylinder 3, the spray device 2 comprises a spray pipe 201, a water pump 202 is fixedly connected to the outer side of the spray pipe 201, a nozzle 203 is fixedly connected to one end of the spray pipe 201, and by starting the water pump 202, an electrolyte can be sprayed out of the nozzle 203 through the spray pipe 201 as a mist of the electrolyte, so that the carbon dioxide rising above the absorption tower 1 can be absorbed by the mist of the electrolyte, thereby ensuring that the carbon dioxide can be fully dissolved in the electrolyte, and facilitating the work.

[0021] Furthermore, the absorption tower 1 includes a tower body 101, one side of the tower body 101 is fixedly connected to an air inlet pipe 102, the bottom of the tower body 101 is fixedly connected to an output pipe 103, the output pipe 103 is used to discharge the electrolyte after carbon dioxide is dissolved in the electrolyte, and the air inlet pipe 102 is used to allow carbon dioxide to enter.

[0022] Furthermore, the fixing cylinder 3 includes a cylinder body 301 , the interior of the cylinder body 301 is movably connected with a bolt 302 , the exterior of the bolt 302 is movably connected with a nut 303 , and the fixing column 4 can move inside the cylinder body 301 .

[0023] Furthermore, the fixing column 4 includes a column body 401, the bottom of which is fixedly connected to a bottom block 402, and a slot 403 is provided inside the column body 401. By screwing out the bolt 302 and the nut 303, the fixing column 4 can be raised and lowered inside the fixing tube 3, and by inserting the bolt 302 into different slots 403 and screwing on the nut 303, its height can be changed, so that it is easy to adjust it to a suitable height.

[0024] Furthermore, the stirring device 5 includes a motor 501, a rotating shaft 502 is fixedly connected to the top of the motor 501, and a stirring shaft 503 is fixedly connected to the outer side of the rotating shaft 502. Starting the motor 501 allows the rotating shaft 502 to drive the stirring shaft 503 to rotate, thereby stirring the electrolyte and accelerating the dissolution of carbon dioxide.

[0025] Furthermore, the tower cover 6 includes a cover body 601 , and a through groove 602 is provided inside the cover body 601 . The through groove 602 is used to fix the nozzle 201 .

[0026] The working principle of the utility model is as follows: when in use, the bolt 302 and the nut 303 are screwed out so that the fixing column 4 can be raised and lowered inside the fixing tube 3; the bolt 302 is inserted into different slots 403 and the nut 303 is screwed on so that the height can be changed, so that it is convenient to adjust it to a suitable height, and then it is connected to a suitable position, and the carbon dioxide is discharged into the absorption tower 1 through the air intake pipe 102, and the motor 501 is started so that the rotating shaft 502 can drive the stirring shaft 503 to rotate, so that the electrolyte can be stirred to accelerate the dissolution of the carbon dioxide, and at the same time, the water pump 202 is started so that the electrolyte can be sprayed out of the nozzle 203 through the nozzle 201 in the form of a mist electrolyte, so that the carbon dioxide rising above the absorption tower 1 can be absorbed by the mist electrolyte, ensuring that the carbon dioxide can be fully dissolved in the electrolyte, so as to facilitate the work.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A catalyst preparation for electrocatalytic carbon dioxide reduction, comprising an absorption tower (1), characterized in that: The top of the absorption tower (1) is fixedly connected to a tower cover (6), the bottom of the absorption tower (1) is fixedly connected to a spray device (2), the middle of the bottom of the absorption tower (1) is fixedly connected to a stirring device (5), the four sides of the bottom of the absorption tower (1) are fixedly connected to a fixed cylinder (3), the interior of the fixed cylinder (3) is movably connected to a fixed column (4), the spray device (2) comprises a spray pipe (201), the outer side of the spray pipe (201) is fixedly connected to a water pump (202), and one end of the spray pipe (201) is fixedly connected to a spray head (203).

2. The preparation of a catalyst for electrocatalytic carbon dioxide reduction according to claim 1, characterized in that: The absorption tower (1) comprises a tower body (101), one side of the tower body (101) is fixedly connected to an air inlet pipe (102), and the bottom of the tower body (101) is fixedly connected to an outlet pipe (103).

3. The preparation of a catalyst for electrocatalytic carbon dioxide reduction according to claim 1, characterized in that: The fixing cylinder (3) comprises a cylinder body (301), the interior of the cylinder body (301) is movably connected with a bolt (302), and the outer side of the bolt (302) is movably connected with a nut (303).

4. The preparation of a catalyst for electrocatalytic carbon dioxide reduction according to claim 1, characterized in that: The fixed column (4) comprises a column body (401), the bottom of the column body (401) is fixedly connected to a bottom block (402), and a slot (403) is provided inside the column body (401).

5. The preparation of a catalyst for electrocatalytic carbon dioxide reduction according to claim 1, characterized in that: The stirring device (5) comprises a motor (501), the top of the motor (501) is fixedly connected to a rotating shaft (502), and the outer side of the rotating shaft (502) is fixedly connected to a stirring shaft (503).

6. The preparation of a catalyst for electrocatalytic carbon dioxide reduction according to claim 1, characterized in that: The tower cover (6) comprises a cover body (601), and a through groove (602) is provided inside the cover body (601).