A gas-liquid supply ratio regulating carbon dioxide reduction test mechanism

Abstract

The present invention discloses a gas-liquid supply ratio regulating type carbon dioxide reduction test mechanism, comprising a carbon dioxide catalytic reducer assembly, wherein a feed drive assembly is arranged at one end of the carbon dioxide catalytic reducer assembly, and feed valve assemblies are arranged on both sides of the feed drive assembly, and two groups of the feed valve assemblies are respectively used as regulating valves for the gas-liquid supply ratio. The feed drive assembly forms a structure for synchronously driving the two groups of feed valve assemblies on the carbon dioxide catalytic reducer assembly, and the actual flow rate of the feed valve assembly is adjusted by adjusting the size of the ball head guide groove facing the feed side pipe. In actual use, when the driving active gear and the driving driven gear are used in coordination, when the driving active gear rotates with a certain amplitude, the driving driven gears with different diameters will be driven to rotate with different amplitudes. By replacing different driving driven gears, the gas-liquid supply ratio can be adjusted and controlled.

Description

Technical Field

[0001] The invention belongs to the technical field of carbon dioxide reduction, and in particular relates to a gas-liquid supply ratio regulating carbon dioxide reduction testing mechanism. Background Art

[0002] The electrocatalytic conversion of carbon dioxide is an important technology for the utilization of carbon dioxide. Its principle is roughly as follows: water undergoes an oxidation reaction at the anode to generate hydrogen ions and oxygen. The hydrogen ions migrate to the cathode through a mass transfer process and participate in the electrocatalytic reduction reaction of carbon dioxide at the cathode to generate formic acid and side reaction products. The anode and cathode here refer to the plates respectively connected to the positive and negative poles of an external power supply. The positive plate generates hydrogen ions and oxygen, and the negative plate participates in the electrocatalytic reduction reaction of carbon dioxide.

[0003] The existing technology has the following problems: the carbon dioxide electrocatalytic reaction is affected by many factors such as the environment, temperature, humidity, etc. Among them, the factors affecting the carbon dioxide electrocatalytic reaction include the gas-liquid supply ratio. The ratio of gas-liquid raw material supply will greatly affect the efficiency and quality of the carbon dioxide electrocatalytic reaction. In our actual research, there is a lack of a convenient gas-liquid supply ratio-adjustable carbon dioxide reduction test mechanism, which is not conducive to actual research and use. Summary of the invention

[0004] In order to solve the problems raised in the above background technology, the present invention provides a gas-liquid supply ratio regulating carbon dioxide reduction test mechanism, which has the characteristic of being convenient for studying carbon dioxide reduction test.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a gas-liquid supply ratio regulating carbon dioxide reduction test mechanism, comprising a carbon dioxide catalytic reducer assembly, one end of the carbon dioxide catalytic reducer assembly is provided with a feed drive assembly, both sides of the feed drive assembly are provided with feed valve assemblies, two groups of the feed valve assemblies are used as regulating valves of the gas-liquid supply ratio respectively, and the feed drive assembly forms a structure for synchronously driving the two groups of feed valve assemblies on the carbon dioxide catalytic reducer assembly;

[0006] The carbon dioxide catalytic reducer assembly comprises a first catalytic reducer seat, a central seat and a second catalytic reducer seat, wherein the first catalytic reducer seat, the central seat and the second catalytic reducer seat are assembled together by an assembly rod and an assembly nut, a cathode plate is arranged between the first catalytic reducer seat and the central seat, an anode plate is arranged between the central seat and the second catalytic reducer seat, a proton exchange membrane, a liquid inlet end pipe and a side end pipe are arranged on the central seat, and an air inlet end pipe is arranged on the first catalytic reducer seat;

[0007] The feed valve assembly includes a feed valve ball tube, a driving driven gear and a feed ball head. The feed valve ball tube is provided with a feed side tube and a bottom platform with a hole. The feed ball head is provided with a driving shaft and a ball head guide groove. The driving shaft is provided with a limiting chassis and a limiting vertical groove. The driving driven gear is provided with a gear mounting groove. The inner wall of the gear mounting groove is provided with a mounting groove guide protrusion. The top thread of the driving shaft is provided with a mounting nut.

[0008] Preferably, the feed drive assembly comprises a base vertical platform and an outer sleeve seat ring platform, the bottom and two sides of the base vertical platform are respectively provided with a base horizontal platform and side guide arm rods, the ends of the side guide arm rods are fixedly provided with a pushing end plate, and the side guide arm rods are sleeved with an arm rod pushing spring, the top of the base vertical platform is rotatably provided with a feed drive shaft rod, and a top seat cap is fixedly provided with a ring platform armature above the base vertical platform through a side support arm plate, the top inner end of the top seat cap is provided with a ring platform armature, the outer wall of the ring platform armature is wound with an induction coil, and a return spring is provided inside the ring platform armature, and side vertical grooves are provided on both sides of the bottom of the top seat cap, the top of the feed drive shaft rod is provided with a driving active gear and a top shaft seat rod, the top shaft seat rod is provided with a seat rod spiral slide groove, the outer side of the top shaft seat rod is sleeved with an outer sleeve seat ring platform, the inner wall of the outer sleeve seat ring platform is provided with a ring platform guide convex slider, and the outer wall of the outer sleeve seat ring platform is provided with a ring platform side rod, and the top magnet is fixedly provided with a ring platform connecting rod above the outer sleeve seat ring platform.

[0009] Preferably, the base platform with holes slides back and forth on the side guide arm rod, and the two ends of the arm rod pushing spring respectively abut against the pushing end plate and the base platform with holes. Through the pushing of the arm rod pushing spring, the driving driven gear on the feed valve assembly naturally abuts against the driving active gear on the feed drive assembly.

[0010] Preferably, the driving driven gear is installed on the top of the driving shaft through a gear installation groove, the installation groove guide protrusion is inserted in the limiting vertical groove, and the driving driven gear is provided in plurality, and the diameters of the plurality of driving driven gears are different.

[0011] Preferably, the bottom rod body of the driving shaft is rotatably connected to the top of the feed valve ball tube, and the feed ball head rotates in the feed valve ball tube, and the actual flow rate of the feed valve assembly is adjusted by adjusting the size of the ball head guide groove facing the feed side tube.

[0012] Preferably, the feed side tubes of one group of the feed valve assemblies are connected to the liquid inlet end tube through a hose, and the feed side tubes of another group of the feed valve assemblies are connected to the air inlet end tube through a hose.

[0013] Preferably, the outer sleeve seat ring platform is arranged on the outside of the top shaft seat rod and slides up and down outside the top shaft seat rod, the ring platform guide convex slider is inserted into the spiral slide groove of the seat rod, and the ring platform side rod passes through the vertical groove on the side and slides up and down in a limited position.

[0014] Preferably, a magnetic attraction and pull-up structure for the top magnet is formed between the induction coil and the ring-stage armature when power is supplied, and the bottom of the reset spring abuts against the top of the top magnet.

[0015] Preferably, the teeth on both sides of the driving active gear respectively mesh with the two driving driven gears on the two groups of feed valve assemblies.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the two groups of feed valve assemblies of the present invention are used as regulating valves for gas-liquid supply ratios respectively, the feed drive assembly forms a structure for synchronously driving the two groups of feed valve assemblies on the carbon dioxide catalytic reducer assembly, the feed side pipe of one group of feed valve assemblies is connected with the liquid inlet end pipe through a hose, and the feed side pipe of the other group of feed valve assemblies is connected with the air inlet end pipe through a hose, in actual use, the rod body at the bottom of the driving shaft is rotatably connected with the top of the feed valve ball tube, the feed ball head rotates in the feed valve ball tube, and the actual flow rate of the feed valve assembly is adjusted by adjusting the size of the ball head guide groove facing the feed side tube. When in use, a magnetic pull-up structure for the top magnet is formed between the induction coil and the ring stage armature when power is supplied. At this time, the outer sleeve ring stage sleeve is arranged on the outside of the top shaft seat rod and slides upward on the outside of the top shaft seat rod. At this time, the ring stage guide convex slider is inserted into the spiral slide groove of the seat rod, and the teeth on both sides of the driving active gear are respectively engaged with the two driving driven gears on the two groups of feed valve assemblies. Through the cooperation of the above structure, when the induction coil is energized, the feed drive shaft rotates. At this time, the driving shaft drives the feed ball head to rotate in the feed valve ball tube. The actual flow rate of the feed valve assembly is adjusted by adjusting the size of the ball head guide groove facing the feed side tube. At this time, the feed The larger the opening of the material channel is, the greater the material flow rate per unit time is. It is practical that one group of feed drive components of the present invention drives two groups of feed valve components to open synchronously. In this way, it is convenient to control the supply ratio of gas and liquid during the catalytic reduction of carbon dioxide. The present invention is provided with multiple driven gears, and the diameters of the multiple driven gears are of different sizes. In actual use, when the driving active gear and the driven gear are used in coordination, when the driving active gear rotates with a certain amplitude, the driven gears of different diameters will be driven to rotate with different amplitudes. By replacing different driven gears, the gas-liquid supply ratio can be achieved. Adjustment and control, and the driving driven gear is installed on the top of the driving shaft through the gear mounting groove, and the top thread of the driving shaft is provided with a mounting nut. In this way, it is convenient to replace and disassemble driving driven gears of different diameters, and at the same time, the bottom platform with holes slides back and forth on the side guide arm rod, and the two ends of the arm rod pushing spring respectively abut against the pushing end plate and the bottom platform with holes. Through the pushing of the arm rod pushing spring, the driving driven gear on the feed valve assembly naturally abuts against the driving active gear on the feed drive assembly. In this way, it can be ensured that when driving driven gears of different diameters are replaced, the driving driven gear and the driving active gear are in conflict and mesh. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A perspective view of the present invention;

[0018] Figure 2 An exploded view of the present invention;

[0019] Figure 3 An exploded view of a carbon dioxide catalytic reducer assembly of the present invention;

[0020] Figure 4 A perspective view of a feed drive assembly and a feed valve assembly of the present invention;

[0021] Figure 5 A perspective view of a feed drive assembly of the present invention;

[0022] Figure 6 An exploded view of a partial structure of a feed drive assembly of the present invention;

[0023] Figure 7 A cross-sectional view of a partial structure of a feed drive assembly of the present invention;

[0024] Figure 8 An exploded view of the feed valve assembly of the present invention;

[0025] In the figure: 100, carbon dioxide catalytic reducer assembly; 101, first catalytic reducer seat; 102, assembly rod; 103, assembly nut; 104, proton exchange membrane; 105, anode plate; 106, second catalytic reducer seat; 107, liquid inlet end pipe; 108, center seat; 109, cathode plate; 110, side end pipe; 111, air inlet end pipe; 200, feed drive assembly; 201, base vertical platform; 202, side guide arm rod; 203, arm rod push spring; 204, push end plate; 205, base horizontal platform; 206, feed drive shaft; 207, driving gear; 208, side support arm plate; 209, top seat cap; 210 , ring stage armature; 211, induction coil; 212, return spring; 213, vertical groove running through the side; 214, top shaft seat rod; 215, seat rod spiral groove; 216, outer sleeve seat ring stage; 217, ring stage guide convex slider; 218, ring stage side rod; 219, ring stage connecting rod; 220, top magnet; 300, feed valve assembly; 301, feed valve ball tube; 302, feed side tube; 303, bottom stage with hole; 304, feed ball head; 305, ball head guide groove; 306, limit chassis; 307, drive shaft; 308, limit vertical groove; 309, drive driven gear; 310, gear mounting groove; 311, mounting groove guide convex block; 312, mounting nut. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-8The present invention provides the following technical solutions: a gas-liquid supply ratio regulating carbon dioxide reduction test mechanism, comprising a carbon dioxide catalytic reducer assembly 100, a feed drive assembly 200 is arranged at one end of the carbon dioxide catalytic reducer assembly 100, feed valve assemblies 300 are arranged on both sides of the feed drive assembly 200, two groups of feed valve assemblies 300 are respectively used as regulating valves of the gas-liquid supply ratio, and the feed drive assembly 200 forms a structure for synchronously driving the two groups of feed valve assemblies 300 on the carbon dioxide catalytic reducer assembly 100;

[0028] The carbon dioxide catalytic reducer assembly 100 includes a first catalytic reducer seat 101, a central seat 108, and a second catalytic reducer seat 106. The first catalytic reducer seat 101, the central seat 108, and the second catalytic reducer seat 106 are assembled together through an assembly rod 102 and an assembly nut 103. A cathode plate 109 is arranged between the first catalytic reducer seat 101 and the central seat 108. An anode plate 105 is arranged between the central seat 108 and the second catalytic reducer seat 106. A proton exchange membrane 104, a liquid inlet end pipe 107, and a side end pipe 110 are arranged on the central seat 108. An air inlet end pipe 111 is arranged on the first catalytic reducer seat 101. A feed side pipe 302 of a group of feed valve assemblies 300 is connected to the liquid inlet end pipe 107 through a hose, and a feed side pipe 302 of another group of feed valve assemblies 300 is connected to the air inlet end pipe 111 through a hose.

[0029] The feed valve assembly 300 includes a feed valve ball tube 301, a driven driving gear 309 and a feed ball head 304. The feed valve ball tube 301 is provided with a feed side tube 302 and a bottom platform 303 with a hole. The feed ball head 304 is provided with a drive shaft 307 and a ball head guide groove 305. The drive shaft 307 is provided with a limited bottom plate 306 and a limited vertical groove 308. The driven driving gear 309 is provided with a gear mounting groove 310. The inner wall of the gear mounting groove 310 is provided with a mounting groove guide protrusion 311. The top thread of the drive shaft 307 is provided with a mounting nut 312.

[0030] The feed drive assembly 200 includes a base vertical platform 201 and an outer seat ring platform 216. The base vertical platform 201 is provided with a base horizontal platform 205 and a side guide arm rod 202 at the bottom and both sides respectively. A push end plate 204 is fixedly provided at the end of the side guide arm rod 202, and an arm push spring 203 is sleeved on the side guide arm rod 202. A feed drive shaft rod 206 is rotatably provided at the top of the base vertical platform 201, and a top seat cap 209 is fixedly provided above the base vertical platform 201 through a side support arm plate 208. A ring stage armature 210 is provided at the inner end of the top of the top seat cap 209. An induction coil 211 is wound around the outer wall of the ring stage armature 210, and a reset spring 203 is provided inside the ring stage armature 210. Spring 212, both sides of the bottom of the top seat cap 209 are provided with side vertical grooves 213, the top of the feed drive shaft 206 is provided with a driving active gear 207 and a top shaft seat rod 214, the top shaft seat rod 214 is provided with a seat rod spiral groove 215, the top shaft seat rod 214 is provided with an outer sleeve seat ring platform 216, the inner wall of the outer sleeve seat ring platform 216 is provided with a ring platform guide convex slider 217, and the outer wall of the outer sleeve seat ring platform 216 is provided with a ring platform side rod 218, the upper part of the outer sleeve seat ring platform 216 is fixedly provided with a top magnet 220 through a ring platform connecting rod 219, the bottom platform 303 with a hole slides back and forth on the side guide arm rod 202, and the two ends of the arm push spring 203 respectively abut against On the pushing end plate 204 and the bottom platform 303 with holes, the driving driven gear 309 on the feed valve assembly 300 naturally contacts the driving active gear 207 on the feed drive assembly 200 through the pushing of the arm pushing spring 203. The driving driven gear 309 is installed on the top of the driving shaft 307 through the gear mounting groove 310. The mounting groove guide protrusion 311 is inserted in the limiting vertical groove 308. The driving driven gear 309 is provided in plurality, and the diameters of the plurality of driving driven gears 309 are of different sizes. The rod body at the bottom of the driving shaft 307 is rotatably connected to the top of the feed valve ball tube 301. The feed ball head 304 rotates in the feed valve ball tube 301. By adjusting the ball head guide groove 310, the feed ball head guide groove 311 is adjusted to adjust the feed ball head guide groove 310. 05 The actual flow rate of the feed valve assembly 300 is adjusted by adjusting the size of the feed side tube 302. The outer sleeve seat ring platform 216 is sleeved on the outside of the top shaft seat rod 214 and slides up and down on the outside of the top shaft seat rod 214. The ring platform guide convex slider 217 is inserted into the seat rod spiral slide groove 215. The ring platform side rod 218 slides up and down in the vertical groove 213 on the side. When power is turned on, a magnetic pull-up structure for the top magnet 220 is formed between the induction coil 211 and the ring platform armature 210. The bottom of the reset spring 212 contacts the top of the top magnet 220, and the teeth on both sides of the driving active gear 207 are respectively engaged with the two driving driven gears 309 on the two groups of feed valve assemblies 300.

[0031] Working principle and use process of the present invention: the two groups of feed valve assemblies 300 of the present invention are used as regulating valves for gas-liquid supply ratio respectively, and the feed drive assembly 200 forms a structure for synchronously driving the two groups of feed valve assemblies 300 on the carbon dioxide catalytic reducer assembly 100. The feed side pipe 302 of one group of feed valve assemblies 300 is connected with the liquid inlet end pipe 107 through a hose, and the feed side pipe 302 of the other group of feed valve assemblies 300 is connected with the air inlet end pipe 111 through a hose. In actual use, the bottom rod body of the driving shaft 307 is rotatably connected with the top of the feed valve ball tube 301, and the feed ball head 304 rotates in the feed valve ball tube 301. The actual feed valve assembly 300 is adjusted by adjusting the size of the ball head guide groove 305 facing the feed side pipe 302. During the material flow, when in use, a magnetic pull-up structure for the top magnet 220 is formed between the induction coil 211 and the ring stage armature 210 when power is turned on. At this time, the outer sleeve ring stage 216 is sleeved on the outside of the top shaft seat rod 214 and slides upward on the outside of the top shaft seat rod 214. At this time, the ring stage guide convex slider 217 is inserted into the seat rod spiral slide groove 215, and the teeth on both sides of the driving gear 207 are respectively engaged with the two driving driven gears 309 on the two groups of feed valve assemblies 300. Through the cooperation of the above structure, when the induction coil 211 is powered on, the feed drive shaft 206 rotates. At this time, the drive shaft 307 drives the feed ball head 304 to rotate in the feed valve ball tube 301. By adjusting the size of the ball head guide groove 305 facing the feed side tube 302 To adjust the actual material flow rate of the feed valve assembly 300, at this time, the material flow channel is opened, and the larger the opening is, the greater the material flow rate per unit time. It is practical that one group of feed drive assemblies 200 of the present invention drives two groups of feed valve assemblies 300 to open synchronously. In this way, it is convenient to control the supply ratio of gas and liquid during catalytic reduction of carbon dioxide. The driving driven gear 309 of the present invention is set to multiple, and the diameters of the multiple driving driven gears 309 are of different sizes. In actual use, when the driving active gear 207 and the driving driven gear 309 are used in conjunction, when the driving active gear 207 rotates with a certain amplitude, it will drive the driving driven gears 309 of different diameters to rotate with different amplitudes. By replacing different driving driven gears 309, it can The gas-liquid supply ratio is regulated and controlled, and the driven gear 309 is installed on the top of the driving shaft 307 through the gear mounting groove 310. The top thread of the driving shaft 307 is provided with a mounting nut 312. In this way, it is convenient to replace and disassemble the driven gears 309 of different diameters. At the same time, the bottom platform 303 with holes slides back and forth on the side guide arm 202, and the two ends of the arm push spring 203 respectively contact the push end plate 204 and the bottom platform 303 with holes. Through the push of the arm push spring 203, the driven gear 309 on the feed valve assembly 300 naturally contacts the driving active gear 207 on the feed drive assembly 200. In this way, it can be ensured that when the driven gears 309 of different diameters are replaced,The driven gear 309 is in conflict with the driving gear 207.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas-liquid supply ratio regulating carbon dioxide reduction test mechanism, comprising a carbon dioxide catalytic reducer assembly (100), characterized in that: A feed drive assembly (200) is disposed at one end of the carbon dioxide catalytic reducer assembly (100), and feed valve assemblies (300) are disposed on both sides of the feed drive assembly (200), and two groups of the feed valve assemblies (300) are respectively used as regulating valves for gas-liquid supply ratios, and the feed drive assembly (200) forms a structure on the carbon dioxide catalytic reducer assembly (100) for synchronously driving the two groups of feed valve assemblies (300); The carbon dioxide catalytic reducer assembly (100) comprises a first catalytic reducer seat (101), a central seat (108) and a second catalytic reducer seat (106); the first catalytic reducer seat (101), the central seat (108) and the second catalytic reducer seat (106) are assembled together via an assembly rod (102) and an assembly nut (103); a cathode plate (109) is arranged between the first catalytic reducer seat (101) and the central seat (108); an anode plate (105) is arranged between the central seat (108) and the second catalytic reducer seat (106); a proton exchange membrane (104), a liquid inlet end pipe (107) and a side end pipe (110) are arranged on the central seat (108); and an air inlet end pipe (111) is arranged on the first catalytic reducer seat (101); The feed drive assembly (200) comprises a base vertical platform (201) and an outer seat ring platform (216); the base vertical platform (201) is provided with a base horizontal platform (205) and a side guide arm rod (202) at the bottom and both sides respectively; a push end plate (204) is fixedly provided at the end of the side guide arm rod (202), and an arm rod push spring (203) is sleeved on the side guide arm rod (202); a feed drive shaft rod (206) is rotatably provided at the top of the base vertical platform (201), and a top seat cap (209) is fixedly provided above the base vertical platform (201) through a side support arm plate (208); a ring platform armature (210) is provided at the inner end of the top of the top seat cap (209), and an induction coil is wound around the outer wall of the ring platform armature (210) (211), and a return spring (212) is arranged inside the ring platform armature (210), side vertical grooves (213) are arranged on both sides of the bottom of the top seat cap (209), a driving active gear (207) and a top shaft seat rod (214) are arranged on the top of the feed drive shaft rod (206), a seat rod spiral groove (215) is arranged on the top shaft seat rod (214), an outer sleeve ring platform (216) is arranged on the outside of the top shaft seat rod (214), a ring platform guide convex slider (217) is arranged on the inner wall of the outer sleeve ring platform (216), and a ring platform side rod (218) is arranged on the outer wall of the outer sleeve ring platform (216), and a top magnet (220) is fixedly arranged above the outer sleeve ring platform (216) through a ring platform connecting rod (219); The feed valve assembly (300) comprises a feed valve ball tube (301), a driven driving gear (309) and a feed ball head (304); the feed valve ball tube (301) is provided with a feed side tube (302) and a bottom platform (303) with a hole; the feed ball head (304) is provided with a drive shaft (307) and a ball head guide groove (305); the drive shaft (307) is provided with a limit bottom plate (306) and a limit vertical groove (308); the drive driven gear (309) is provided with a gear mounting groove (310); the inner wall of the gear mounting groove (310) is provided with a mounting groove guide protrusion (311); and the top thread of the drive shaft (307) is provided with a mounting nut (312); The bottom platform (303) with holes slides back and forth on the side guide arm (202), and the two ends of the arm push spring (203) respectively contact the push end plate (204) and the bottom platform (303) with holes, and through the pushing of the arm push spring (203), the driven driving gear (309) on the feed valve assembly (300) naturally contacts the driving driving gear (207) on the feed drive assembly (200); The driving driven gear (309) is installed on the top of the driving shaft (307) through the gear installation groove (310), and the installation groove guide protrusion (311) is inserted into the limiting vertical groove (308). The driving driven gear (309) is provided in plurality, and the diameters of the plurality of driving driven gears (309) are different. The bottom rod body of the driving shaft (307) is rotatably connected to the top of the feed valve ball tube (301), and the feed ball head (304) rotates in the feed valve ball tube (301). The actual flow rate of the feed valve assembly (300) is adjusted by adjusting the size of the ball head guide groove (305) facing the feed side tube (302); The feed side pipes (302) of one group of the feed valve assemblies (300) are connected to the liquid inlet end pipe (107) through a hose, and the feed side pipes (302) of another group of the feed valve assemblies (300) are connected to the air inlet end pipe (111) through a hose; The outer sleeve seat ring platform (216) is sleeved on the outside of the top shaft seat rod (214) and slides up and down on the outside of the top shaft seat rod (214); the ring platform guide convex slider (217) is inserted into the seat rod spiral slide groove (215); the ring platform side rod (218) penetrates the vertical groove (213) on the side and slides up and down in a limited position; When power is supplied, a magnetic attraction and pull-up structure for the top magnet (220) is formed between the induction coil (211) and the ring-stage armature (210), and the bottom of the return spring (212) contacts the top of the top magnet (220); The gear bodies on both sides of the driving active gear (207) are respectively meshed with the two driving driven gears (309) on the two groups of feed valve assemblies (300).

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