A self-control structure for the flow channel of a carbon dioxide electrocatalytic reactor

Abstract

The present invention discloses a self-control structure for the flow channel of a carbon dioxide electrocatalytic reactor, which includes a carbon dioxide electrocatalytic supply flow channel assembly. Inside the carbon dioxide electrocatalytic supply flow channel assembly, there are a self-regulating valve head assembly and an air flow floating plate assembly. The self-regulating valve head assembly rotates within the carbon dioxide electrocatalytic supply flow channel assembly to form a structure for self-regulating the size of the flow port. The air flow floating plate assembly forms a structure within the carbon dioxide electrocatalytic supply flow channel assembly to drive the self-regulating valve head assembly for self-regulation. When the gas supply volume at the carbon dioxide feed flow channel increases, the high-pressure and high-flow-rate carbon dioxide gas flow will push the air flow floating plate upward. At this time, it will drive the shaft rod at the top of the valve head to rotate. At this time, the valve head air flow channel groove on the self-regulating valve head will rotate within the supply ball groove seat pipe. At this time, the effective air flow port body between the valve head air flow channel groove and the carbon dioxide discharge flow channel and the carbon dioxide feed flow channel becomes smaller.

Description

Technical Field

[0001] The present invention belongs to the technical field of electrocatalytic carbon dioxide, and particularly relates to a self-control structure for the flow channel of an electrocatalytic carbon dioxide reactor. Background Art

[0002] Carbon dioxide is a carbon oxide compound and a common compound in the air. Under normal pressure, it is colorless, odorless, non-supporting combustion, and non-combustible. Carbon dioxide is both the main component of greenhouse gases and a carbon resource with rich reserves and renewable. Studying the chemical conversion and utilization of carbon dioxide is of great significance.

[0003] The prior art has the following problems: In the method of electrochemically catalyzing and reducing carbon dioxide to formic acid in an aqueous solution, the reaction principle is as follows: Water undergoes an oxidation reaction at the anode to generate hydrogen ions and oxygen. The hydrogen ions migrate to the cathode through the mass transfer process and participate in the electrocatalytic reduction reaction of carbon dioxide at the cathode to generate formic acid and side reaction products. During the electrocatalytic reaction of carbon dioxide, the supply amount of carbon dioxide needs to be maintained at a reasonable level. If too much is supplied, the carbon dioxide that has not had time to participate in the reaction will escape, resulting in a waste of the supply amount. Summary of the Invention

[0004] To solve the problems raised in the above background art, the present invention provides a self-control structure for the flow channel of an electrocatalytic carbon dioxide reactor, which has the characteristic of ensuring quantitative supply during carbon dioxide electrolysis.

[0005] To achieve the above object, the present invention provides the following technical solution: A self-control structure for the flow channel of an electrocatalytic carbon dioxide reactor, including a carbon dioxide electrocatalytic supply flow channel assembly. Inside the carbon dioxide electrocatalytic supply flow channel assembly, there are a self-adjusting valve head assembly and an air flow floating plate assembly. The self-adjusting valve head assembly rotates inside the carbon dioxide electrocatalytic supply flow channel assembly to form a structure for self-adjusting the size of the flow port, and the air flow floating plate assembly forms a structure for driving the self-adjusting valve head assembly to self-adjust inside the carbon dioxide electrocatalytic supply flow channel assembly;

[0006] The carbon dioxide electrocatalytic supply flow channel assembly includes a supply ball groove seat pipe. At both ends of the supply ball groove seat pipe, there are a carbon dioxide discharge flow channel and a carbon dioxide feed flow channel respectively. At one end of the carbon dioxide discharge flow channel and the carbon dioxide feed flow channel, there is a first flange and a second flange respectively. On the top of the carbon dioxide feed flow channel, there is a floating plate movable seat pipe, and on the top of the floating plate movable seat pipe, there is a guiding sliding hole;

[0007] The self-adjusting valve head assembly includes a self-adjusting valve head. On the top of the self-adjusting valve head, there is a valve head top shaft rod fixedly arranged. On the valve head top shaft rod, there is an axial rod spiral guide rail chute, and on the self-adjusting valve head, there is a valve head through air flow channel groove.

[0008] Preferably, the air flow floating plate assembly includes a floating plate top sliding rod, an air flow floating plate is fixedly arranged at the bottom of the floating plate top sliding rod, a limiting bottom table is fixedly arranged at the top of the floating plate top sliding rod, a floating plate top pressing spring is sleeved on the bottom of the floating plate top sliding rod, a supporting cross arm rod is fixedly arranged at one side of the top of the floating plate top sliding rod, an installation sliding seat tube is fixedly arranged at the end of the supporting cross arm rod, and a guide rail convex sliding column is arranged on the inner wall of the installation sliding seat tube.

[0009] Preferably, the top shaft of the valve head is rotationally connected with the supply ball groove seat tube through a bearing seat, and the self-adjusting valve head rotates in the supply ball groove seat tube.

[0010] Preferably, a flow channel structure for carbon dioxide supply is formed between the air flow channel groove of the valve head and the carbon dioxide feed flow channel and the carbon dioxide discharge flow channel. When the self-adjusting valve head rotates in the supply ball groove seat tube, the effective orifice of the air flow channel groove of the valve head becomes smaller, and the effective ventilation orifice of the flow channel structure between the air flow channel groove of the valve head and the carbon dioxide feed flow channel and the carbon dioxide discharge flow channel becomes smaller.

[0011] Preferably, the floating plate top sliding rod penetrates and slides through the guiding sliding hole of the floating plate movable seat tube, the air flow floating plate moves up and down in the floating plate movable seat tube, and both ends of the floating plate top pressing spring respectively abut against the air flow floating plate and the top of the floating plate movable seat tube.

[0012] Preferably, the air flow floating plate is obliquely arranged in the tube body of the carbon dioxide feed flow channel, and the air flow floating plate forms a floating platform structure that moves up as the carbon dioxide supply amount increases in the carbon dioxide feed flow channel.

[0013] Preferably, the installation sliding seat tube is sleeved outside the top shaft of the valve head, and the installation sliding seat tube slides up and down outside the top shaft of the valve head, and the guide rail convex sliding column is inserted into the shaft rod spiral guide rail chute on the top shaft of the valve head.

[0014] Preferably, a matching structure for driving the top shaft of the valve head to rotate self is formed between the guide rail convex sliding column and the shaft rod spiral guide rail chute.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: When the present invention is in use, a self-regulating valve head assembly and an air flow floating plate assembly are arranged inside the carbon dioxide electrocatalytic supply flow channel assembly. The specific cooperation structure is as follows. The shaft rod at the top of the valve head is rotatably connected to the supply ball groove seat pipe through a bearing seat. The self-regulating valve head rotates inside the supply ball groove seat pipe. A flow channel structure for carbon dioxide supply is formed between the air flow channel groove of the valve head and the carbon dioxide feed flow channel and the carbon dioxide discharge flow channel. The top sliding rod of the floating plate penetrates and slides through the guiding sliding hole and the floating plate movable seat pipe. The air flow floating plate moves up and down inside the floating plate movable seat pipe. The air flow floating plate is inclined and arranged inside the pipe body of the carbon dioxide feed flow channel. The air flow floating plate forms a floating platform structure that moves up as the carbon dioxide supply increases inside the carbon dioxide feed flow channel. During actual use, when the gas supply at the carbon dioxide feed flow channel increases, the high-pressure and high-flow carbon dioxide gas flow will push the air flow floating plate up. At this time, the installation sliding seat pipe is sleeved outside the shaft rod at the top of the valve head, and the installation sliding seat pipe slides up and down outside the shaft rod at the top of the valve head. The guide rail convex sliding column is inserted into the shaft rod spiral guide rail chute on the shaft rod at the top of the valve head. Through the cooperation between the guide rail convex sliding column and the shaft rod spiral guide rail chute, when the air flow floating plate moves up, the installation sliding seat pipe will move up at this time, and then drive the shaft rod at the top of the valve head to rotate. At this time, the air flow channel groove of the valve head on the self-regulating valve head will rotate inside the supply ball groove seat pipe. At this time, the effective air flow port between the air flow channel groove of the valve head and the carbon dioxide discharge flow channel and the carbon dioxide feed flow channel becomes smaller. In this way, when the air flow at the carbon dioxide flow channel gas supply suddenly increases, the valve port at the front end of the carbon dioxide flow channel outlet automatically becomes smaller. In this way, it can ensure that the flow rate at the flow channel outlet is kept within a reasonable range. The present invention ensures that carbon dioxide reacts in the reactor in a timely manner and will not cause the escape and waste of unreacted carbon dioxide or other raw materials due to a sudden large amount. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a perspective view of the present invention;

[0017] Figure 2 is a sectional view of the present invention;

[0018] Figure 3 is an exploded view of the present invention;

[0019] Figure 4 is a perspective view of the carbon dioxide electrocatalytic supply flow channel assembly of the present invention;

[0020] Figure 5 is a perspective view of the self-regulating valve head assembly of the present invention;

[0021] Figure 6 is a perspective view of the air flow floating plate assembly of the present invention;

[0022] Figure 7 is a perspective view of another angle of the air flow floating plate assembly of the present invention;

[0023] In the figure: 100, carbon dioxide electrocatalytic supply flow channel assembly; 101, supply ball groove seat pipe; 102, carbon dioxide discharge flow channel; 103, first flange; 104, carbon dioxide feed flow channel; 105, floating plate movable seat pipe; 106, guiding sliding hole; 107, second flange; 200, self-regulating valve head assembly; 201, self-regulating valve head; 202, valve head air flow channel groove; 203, valve head top shaft rod; 204, shaft rod spiral guide rail chute; 300, air flow floating plate assembly; 301, floating plate top sliding rod; 302, limiting bottom platform; 303, floating plate top spring; 304, air flow floating plate; 305, supporting cross arm rod; 306, mounting sliding seat pipe; 307, guide rail convex sliding column. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figure 1-7 , the present invention provides the following technical solutions: A self-control structure for the flow channel of a carbon dioxide electrocatalytic reactor, including a carbon dioxide electrocatalytic supply flow channel assembly 100. Inside the carbon dioxide electrocatalytic supply flow channel assembly 100, a self-regulating valve head assembly 200 and an air flow floating plate assembly 300 are provided. The self-regulating valve head assembly 200 rotates within the carbon dioxide electrocatalytic supply flow channel assembly 100 to form a structure for self-regulating the size of the flow port, and the air flow floating plate assembly 300 forms a structure for driving the self-regulating valve head assembly 200 to self-regulate within the carbon dioxide electrocatalytic supply flow channel assembly 100;

[0026] The carbon dioxide electrocatalytic supply flow channel assembly 100 includes a supply ball groove seat pipe 101. At both ends of the supply ball groove seat pipe 101, a carbon dioxide discharge flow channel 102 and a carbon dioxide feed flow channel 104 are respectively provided. At one end of the carbon dioxide discharge flow channel 102 and the carbon dioxide feed flow channel 104, a first flange 103 and a second flange 107 are respectively provided. At the top of the carbon dioxide feed flow channel 104, a floating plate movable seat pipe 105 is provided, and at the top of the floating plate movable seat pipe 105, a guiding sliding hole 106 is provided;

[0027] The self-adjusting valve head assembly 200 includes a self-adjusting valve head 201. A valve head top shaft rod 203 is fixedly arranged at the top of the self-adjusting valve head 201. A shaft rod spiral guide rail chute 204 is formed on the valve head top shaft rod 203. A valve head air flow channel groove 202 is formed on the self-adjusting valve head 201. The valve head top shaft rod 203 is rotationally connected to the supply ball groove seat pipe 101 through a bearing seat. The self-adjusting valve head 201 rotates within the supply ball groove seat pipe 101. A flow channel structure for carbon dioxide supply is formed between the valve head air flow channel groove 202, the carbon dioxide feed flow channel 104, and the carbon dioxide discharge flow channel 102. When the self-adjusting valve head 201 rotates within the supply ball groove seat pipe 101, the effective orifice of the valve head air flow channel groove 202 becomes smaller, and the effective ventilation orifice of the flow channel structure between the valve head air flow channel groove 202, the carbon dioxide feed flow channel 104, and the carbon dioxide discharge flow channel 102 becomes smaller.

[0028] The air flow floating plate assembly 300 includes a floating plate top sliding rod 301. An air flow floating plate 304 is fixedly arranged at the bottom of the floating plate top sliding rod 301. A limiting bottom platform 302 is fixedly arranged at the top of the floating plate top sliding rod 301. A floating plate top pressing spring 303 is sleeved on the bottom of the floating plate top sliding rod 301. A supporting cross arm rod 305 is fixedly arranged on one side of the top of the floating plate top sliding rod 301. An installation sliding seat pipe 306 is fixedly arranged at the end of the supporting cross arm rod 305. A guide rail convex sliding column 307 is arranged on the inner wall of the installation sliding seat pipe 306. The floating plate top sliding rod 301 passes through and slides through a guide hole 106 and a floating plate movable seat pipe 105. The air flow floating plate 304 moves up and down within the floating plate movable seat pipe 105. Two ends of the floating plate top pressing spring 303 respectively abut against the air flow floating plate 304 and the top of the floating plate movable seat pipe 105. The air flow floating plate 304 is obliquely arranged within the pipe body of the carbon dioxide feed flow channel 104. The air flow floating plate 304 forms a floating platform structure that moves up as the carbon dioxide supply amount increases within the carbon dioxide feed flow channel 104. The installation sliding seat pipe 306 is sleeved outside the valve head top shaft rod 203, and the installation sliding seat pipe 306 slides up and down outside the valve head top shaft rod 203. The guide rail convex sliding column 307 is inserted into the shaft rod spiral guide rail chute 204 on the valve head top shaft rod 203. A matching structure for driving the valve head top shaft rod 203 to rotate self is formed between the guide rail convex sliding column 307 and the shaft rod spiral guide rail chute 204.

[0029] Working principle and usage process of the present invention: When the present invention is in use, a self-regulating valve head assembly 200 and an air flow floating plate assembly 300 are arranged inside the carbon dioxide electrocatalytic supply flow channel assembly 100. The specific cooperation structure is as follows. The shaft rod 203 at the top of the valve head is rotatably connected to the supply ball groove seat pipe 101 through a bearing seat. The self-regulating valve head 201 rotates inside the supply ball groove seat pipe 101. The air flow channel groove 202 of the valve head forms a flow channel structure for carbon dioxide supply between the carbon dioxide feed flow channel 104 and the carbon dioxide discharge flow channel 102. The floating plate top slide rod 301 penetrates and slides through the guide slide hole 106 and the floating plate movable seat pipe 105. The air flow floating plate 304 moves up and down inside the floating plate movable seat pipe 105. The air flow floating plate 304 is inclined and arranged inside the pipe body of the carbon dioxide feed flow channel 104. The air flow floating plate 304 forms a floating platform structure that moves up as the carbon dioxide supply amount increases inside the carbon dioxide feed flow channel 104. During actual use, when the gas supply amount at the carbon dioxide feed flow channel 104 increases, the high-pressure and high-flow carbon dioxide gas flow will push the air flow floating plate 304 up. At this time, the installation slide seat pipe 306 is sleeved outside the shaft rod 203 at the top of the valve head, and the installation slide seat pipe 306 slides up and down outside the shaft rod 203 at the top of the valve head. The guide rail convex slide column 307 is inserted into the shaft rod spiral guide rail chute 204 on the shaft rod 203 at the top of the valve head. Through the cooperation between the guide rail convex slide column 307 and the shaft rod spiral guide rail chute 204, when the air flow floating plate 304 moves up, the installation slide seat pipe 306 will move up at this time, and then drive the shaft rod 203 at the top of the valve head to rotate. At this time, the air flow channel groove 202 of the valve head on the self-regulating valve head 201 will rotate inside the supply ball groove seat pipe 101. At this time, the effective air flow port body between the air flow channel groove 202 of the valve head in the carbon dioxide discharge flow channel 102 and the carbon dioxide feed flow channel 104 becomes smaller. In this way, when the air flow at the carbon dioxide flow channel gas supply suddenly increases, the valve port at the front end of the carbon dioxide flow channel outlet automatically becomes smaller. In this way, it can ensure that the flow rate at the flow channel outlet is kept within a reasonable range. The present invention ensures that carbon dioxide reacts in the reactor in a timely manner and will not cause the escape and waste of unreacted carbon dioxide or other raw materials due to a sudden large amount.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-control structure for the flow channel of a carbon dioxide electrocatalytic reactor, comprising a carbon dioxide electrocatalytic supply flow channel assembly (100), characterized in that: Inside the carbon dioxide electrocatalytic supply flow channel assembly (100), a self-regulating valve head assembly (200) and an air flow floating plate assembly (300) are provided. The self-regulating valve head assembly (200) rotates within the carbon dioxide electrocatalytic supply flow channel assembly (100) to form a structure for self-regulating the size of the flow port. The air flow floating plate assembly (300) forms a structure within the carbon dioxide electrocatalytic supply flow channel assembly (100) to drive the self-regulating valve head assembly (200) for self-regulation. The carbon dioxide electrocatalytic supply flow channel assembly (100) includes a supply ball groove seat pipe (101). Carbon dioxide discharge flow channels (102) and carbon dioxide feed flow channels (104) are respectively arranged at both ends of the supply ball groove seat pipe (101). First flanges (103) and second flanges (107) are respectively arranged at one ends of the carbon dioxide discharge flow channels (102) and the carbon dioxide feed flow channels (104). A floating plate movable seat pipe (105) is arranged at the top of the carbon dioxide feed flow channel (104), and a guiding sliding hole (106) is arranged at the top of the floating plate movable seat pipe (105). The self-regulating valve head assembly (200) includes a self-regulating valve head (201). A valve head top shaft rod (203) is fixedly arranged at the top of the self-regulating valve head (201). A shaft rod spiral guide rail chute (204) is formed on the valve head top shaft rod (203). A valve head through air flow channel groove (202) is formed on the self-regulating valve head (201). The air flow floating plate assembly (300) includes a floating plate top sliding rod (301). An air flow floating plate (304) is fixedly arranged at the bottom of the floating plate top sliding rod (301), and a limiting bottom platform (302) is fixedly arranged at the top of the floating plate top sliding rod (301). A floating plate top pressing spring (303) is sleeved at the bottom of the floating plate top sliding rod (301). A supporting cross arm rod (305) is fixedly arranged at one side of the top of the floating plate top sliding rod (301). An installation sliding seat pipe (306) is fixedly arranged at the end of the supporting cross arm rod (305). A guide rail convex sliding column (307) is arranged on the inner wall of the installation sliding seat pipe (306). The floating plate top sliding rod (301) passes through and slides through the guiding sliding hole (106) and the floating plate movable seat pipe (105). The air flow floating plate (304) moves up and down within the floating plate movable seat pipe (105). Two ends of the floating plate top pressing spring (303) respectively abut against the air flow floating plate (304) and the top of the floating plate movable seat pipe (105). The installation sliding seat pipe (306) is sleeved outside the valve head top shaft rod (203), and the installation sliding seat pipe (306) slides up and down outside the valve head top shaft rod (203). The guide rail convex sliding column (307) is inserted into the shaft rod spiral guide rail chute (204) on the valve head top shaft rod (203).

2. The self-control structure of the flow channel of a carbon dioxide electrocatalytic reactor according to claim 1, characterized in that: The valve head top shaft rod (203) is rotationally connected to the supply ball groove seat pipe (101) through a bearing seat, and the self-regulating valve head (201) rotates within the supply ball groove seat pipe (101).

3. The self-control structure of the flow channel of a carbon dioxide electrocatalytic reactor according to claim 1, characterized in that: The valve head air flow channel groove (202) forms a flow channel structure for carbon dioxide supply between the carbon dioxide feed flow channel (104) and the carbon dioxide discharge flow channel (102). When the self-regulating valve head (201) rotates in the supply ball groove seat pipe (101), the effective orifice of the valve head air flow channel groove (202) becomes smaller, and the effective ventilation orifice of the flow channel structure between the valve head air flow channel groove (202), the carbon dioxide feed flow channel (104), and the carbon dioxide discharge flow channel (102) becomes smaller.

4. The self-control structure of the flow channel of a carbon dioxide electrocatalytic reactor according to claim 1, wherein: The air flow floating plate (304) is inclined and arranged inside the pipe body of the carbon dioxide feed flow channel (104), and the air flow floating plate (304) forms a floating platform structure that moves upward as the carbon dioxide supply amount increases within the carbon dioxide feed flow channel (104).

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