ALK electrolytic cell coupling hydrogen separation and purification integrated device

Abstract

The invention discloses an ALK electrolytic cell coupling hydrogen separation and purification integrated device, and relates to the technical field of hydrogen preparation, the ALK electrolytic cell coupling hydrogen separation and purification integrated device comprises an electrolytic cell body and a drying device, the electrolytic cell body is connected with the separation and purification device through a pipeline, a rotating disc is fixed to the middle of a bidirectional lead screw, and a one-way ratchet wheel is fixed to the inner wall of a sleeving support. According to the ALK electrolytic cell coupling hydrogen separation and purification integrated device, the driving motor drives the bidirectional lead screw to rotate, so that the position of the drying pipe can be automatically replaced, a molecular sieve with saturated adsorption is heated and regenerated, the regenerated molecular sieve is vacuumized, and the vacuumized molecular sieve is put into hydrogen drying operation again; therefore, automatic cycle operation is achieved, a plurality of drying mechanisms do not need to be prepared, the equipment size is greatly reduced, the regeneration operation difficulty after the drying material is adsorbed and saturated is greatly reduced, and the drying pipe can be prevented from being reset together through the one-way ratchet wheel, the one-way teeth, the torsion spring and the rotating disc structure when the two-way lead screw is reversed.

Description

Technical Field

[0001] The present invention relates to the technical field of hydrogen preparation, and in particular to an ALK electrolyzer coupled hydrogen separation and purification integrated device. Background Art

[0002] ALK electrolyzer coupled hydrogen separation and purification is a hydrogen preparation system based on an alkaline water electrolyzer combined with a hydrogen separation and purification mechanism and a drying mechanism. It generates hydrogen and oxygen by electrolyzing an alkaline solution (such as potassium hydroxide solution) in an electrolyzer, and then separates the hydrogen through a hydrogen separation and purification mechanism while exhausting the oxygen. After that, the excess water in the hydrogen is eliminated through a drying mechanism, and finally the hydrogen is stored in a hydrogen bottle.

[0003] The drying mechanism of the existing ALK electrolyzer-coupled hydrogen separation and purification integrated device usually utilizes renewable drying materials such as molecular sieves to adsorb excess moisture in hydrogen. However, as the drying material becomes saturated with adsorption, it needs to be regenerated by heating and vacuum. Therefore, multiple drying devices are often required. When the drying material in any drying device is saturated with adsorption, it can be switched to the spare drying device to continue dehumidifying the hydrogen. However, this also results in the overall bulk of the drying mechanism being large and requiring a certain amount of space.

[0004] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and an ALK electrolyzer coupled hydrogen separation and purification integrated device is proposed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides an ALK electrolyzer coupled with a hydrogen separation and purification integrated device, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention is realized through the following technical solutions: An integrated device for coupling an ALK electrolytic cell with hydrogen separation and purification, including an electrolytic cell body and a drying device. The electrolytic cell body is connected to a separation and purification device through a pipeline, and the separation and purification device is connected to the drying device through a pipeline. The drying device includes a drying tank, a driving motor, a bidirectional lead screw, a moving socket, a drying end, a regeneration end, a vacuum end, a sleeve bracket, a drying pipe, a pipe sleeve, a turntable, a torsion spring, a one-way tooth, and a one-way ratchet. The bottom of the drying tank is fixed with a driving motor, and the bottom of the driving motor is connected to a bidirectional lead screw. The upper and lower parts of the bidirectional lead screw are both sleeved with moving sockets, and the surfaces of the moving sockets are sequentially penetrated and fixed with a drying end, a regeneration end, and a vacuum end in a ring shape. The middle part of the inner wall of the drying tank is rotationally connected to a sleeve bracket through a bearing bracket, and a drying pipe is penetrated and fixed inside the sleeve bracket. The top of the drying pipe is fixed with a pipe sleeve. The middle part of the bidirectional lead screw is fixed with a turntable, and a one-way tooth is connected to the groove on the surface of the turntable through a torsion spring. The inner wall of the sleeve bracket is fixed with a one-way ratchet.

[0007] Further, the two moving sockets are driven towards each other through the bidirectional lead screw, and the moving sockets are slidably connected to the drying tank.

[0008] Further, the one-way tooth is elastically connected to the turntable through the torsion spring, and a one-way transmission structure is formed between the sleeve bracket, the one-way ratchet, the one-way tooth, the torsion spring, the turntable, and the bidirectional lead screw.

[0009] Further, three drying pipes are provided, and the inside of the drying pipes is filled with molecular sieves.

[0010] Further, the end of the drying end located relatively below is connected to the pipeline of the separation and purification device through an electronic valve and a hose, and the end of the drying end located relatively above is connected to a hydrogen storage cylinder through an electronic valve and a hose.

[0011] Further, the end of the regeneration end located relatively below is connected to a hot gas delivery pump through an electronic valve and a hose, and the end of the regeneration end located relatively above is communicated with the outside through an electronic valve and a hose.

[0012] Further, the two vacuum ends are connected to a vacuum pump through an electronic valve and a hose.

[0013] Further, flexible rubber bands are arranged in a staggered manner on the inner wall of the drying pipe, and a gas baffle is connected to the bottom of the flexible rubber band.

[0014] Further, a through groove is formed on the surface of the gas baffle, and a transmission rod is penetrated inside the through groove. The surface of the transmission rod is connected to the surface of the gas baffle through a wire rope.

[0015] Furthermore, the top end of the transmission rod passes through the top of the drying tube and is connected to a rubber ball, and the outer diameter of the rubber ball is larger than the outer diameter of the top opening of the drying tube.

[0016] The present invention provides an ALK electrolyzer coupled hydrogen separation and purification integrated device, which has the following beneficial effects: 1. The ALK electrolyzer is coupled with the integrated device for hydrogen separation and purification. The driving motor drives the bidirectional screw to rotate and the drying tube position can be replaced automatically, so that the adsorption saturated molecular sieve can be heated and regenerated, and the regenerated molecular sieve is vacuumed, and the vacuumed molecular sieve is put back into the hydrogen drying operation, thereby realizing automatic circulation operation, so there is no need to prepare several drying mechanisms, which greatly reduces the volume of the equipment and the difficulty of regeneration operation after the drying material is adsorbed saturated. In addition, the one-way ratchet, one-way teeth, torsion spring and turntable structure can prevent the drying tube from resetting together when the bidirectional screw is reversed.

[0017] 2. The ALK electrolyzer is coupled with an integrated hydrogen separation and purification device. The air baffle can slow down the gas movement speed to ensure that the hydrogen is fully in contact with the molecular sieve to remove moisture. At the same time, it also ensures that the molecular sieve is fully in contact with the hot dry inert gas for regeneration. When the gas moves from bottom to top, the rubber ball is pushed up as the air pressure inside the drying tube increases, so that the rubber ball carries the transmission rod to perform a lifting piston movement under the action of air pressure. When the transmission rod piston moves, the air baffle is driven by the rope to vibrate to vibrate the molecular sieve, so that the molecular sieve particles are loosened, thereby preventing the molecular sieve particles from agglomerating, and it is also beneficial for the gas to fully contact with each molecular sieve particle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the process framework of an ALK electrolyzer coupled with a hydrogen separation and purification integrated device of the present invention; Figure 2 A schematic diagram of an electrolyzer body of an ALK electrolyzer coupled with a hydrogen separation and purification integrated device according to the present invention; Figure 3 A schematic diagram of a separation and purification device of an ALK electrolyzer coupled with a hydrogen separation and purification integrated device according to the present invention; Figure 4 This is a schematic diagram of the appearance structure of a drying tank of an ALK electrolyzer coupled hydrogen separation and purification integrated device of the present invention; Figure 5 This is a schematic diagram of the structure of a movable sleeve of an ALK electrolyzer coupled with a hydrogen separation and purification integrated device according to the present invention; Figure 6 A schematic diagram of the internal structure of a drying tank of an ALK electrolyzer coupled hydrogen separation and purification integrated device of the present invention; Figure 7This is a schematic diagram of a sheath support structure of an ALK electrolyzer coupled with a hydrogen separation and purification integrated device according to the present invention; Figure 8 This is a schematic diagram of the appearance structure of a drying tube of an ALK electrolyzer coupled hydrogen separation and purification integrated device of the present invention; Fig. 9 This is a schematic diagram of the internal structure of a drying tube of an ALK electrolyzer coupled to a hydrogen separation and purification integrated device of the present invention.

[0019] In the figure: 1. electrolytic cell body; 2. separation and purification equipment; 3. drying equipment; 301. drying tank; 302. driving motor; 303. bidirectional screw rod; 304. movable sleeve; 305. drying terminal; 306. regeneration terminal; 307. vacuum terminal; 308. sleeve bracket; 309. drying tube; 310. tube sleeve; 311. turntable; 312. torsion spring; 313. one-way tooth; 314. one-way ratchet; 4. flexible rubber belt; 5. air baffle; 6. threading groove; 7. transmission rod; 8. rubber ball. DETAILED DESCRIPTION

[0020] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0021] like Figure 1-Figure 9As shown, the present invention provides a technical solution: an ALK electrolyzer coupled hydrogen separation and purification integrated device, comprising an electrolyzer body 1 and a drying device 3, the electrolyzer body 1 is connected to the separation and purification device 2 through a pipeline, and the separation and purification device 2 is connected to the drying device 3 through a pipeline, and the drying device 3 comprises a drying tank 301, a driving motor 302, a bidirectional screw rod 303, a movable sleeve seat 304, a drying end 305, a regeneration end 306, a vacuum end 307, a sleeve bracket 308, a drying tube 309, a pipe sleeve 310, a turntable 311, a torsion spring 312, and a one-way tooth 313. 13 and a one-way ratchet 314, a driving motor 302 is fixed at the bottom of the drying tank 301, and a bidirectional screw rod 303 is connected to the bottom of the driving motor 302, and a movable sleeve seat 304 is sleeved on the upper and lower parts of the bidirectional screw rod 303, and the surface of the movable sleeve seat 304 is annularly penetrated and fixed with a drying end 305, a regeneration end 306, and a vacuum end 307 in sequence, and a sleeve bracket 308 is rotatably connected to the middle of the inner wall of the drying tank 301 through a bearing bracket, and a drying tube 309 is penetrated and fixed inside the sleeve bracket 308, and a pipe sleeve 31 is fixed on the top of the drying tube 309. 0, a rotating disk 311 is fixed in the middle of the bidirectional screw rod 303, and a one-way tooth 313 is connected in the surface groove of the rotating disk 311 through a torsion spring 312, and a one-way ratchet 314 is fixed on the inner wall of the sleeve bracket 308, and the two movable sleeve seats 304 are transmitted in opposite directions through the bidirectional screw rod 303, and the movable sleeve seat 304 is slidably connected to the drying tank 301, and the one-way tooth 313 is elastically connected to the rotating disk 311 through the torsion spring 312, and the sleeve bracket 308 forms a one-way transmission structure through the one-way ratchet 314, the one-way tooth 313, the torsion spring 312, the rotating disk 311 and the bidirectional screw rod 303. There are three drying tubes 309 in total, and the interior of the drying tubes 309 is filled with molecular sieves. The end of the drying terminal 305 located relatively below is connected to the pipeline of the separation and purification equipment 2 through an electronic valve and a hose, and the end of the drying terminal 305 located relatively above is connected to the hydrogen storage bottle through an electronic valve and a hose. The end of the regeneration terminal 306 located relatively below is connected to the hot air delivery pump through an electronic valve and a hose, and the end of the regeneration terminal 306 located relatively above is connected to the outside through an electronic valve and a hose. The two vacuum terminals 307 are connected to the vacuum pump through an electronic valve and a hose. The specific operations are as follows: Figure 1As shown, the alkali liquid circulation pump is used to circulate the electrolyte and inject it into the electrolytic cell body 1. The electrolytic cell body 1 performs electrolysis to generate hydrogen and oxygen. The hydrogen and oxygen are injected into the separation and purification equipment 2 along the pipeline for separation and purification. The separation and purification equipment 2 is an existing mature equipment and its working principle is no longer described. The separated oxygen is directly discharged or transported to the oxygen environment through the pipeline, and the separated and purified hydrogen passes through the lower drying terminal 305 along the pipeline and the hose and enters the interior of the drying tube 309. The hydrogen moves upward along the drying tube 309 and contacts with the molecular sieve during the movement. The molecular sieve can absorb excess water in the hydrogen, and the hydrogen with water removed passes through the upper drying terminal 305 and enters the hydrogen storage bottle along the hose for storage. As the molecular sieve inside the drying tube 309 gradually becomes saturated with adsorption, when the saturation stage is reached, all the electronic valves are closed, and the bidirectional screw rod 303 is driven to rotate by the driving motor 302, so that the movable sleeve 304 moves away from each other along the upper and lower parts of the bidirectional screw rod 303. At this time, the upper and lower three groups of ends are all separated from the two ends of the drying tube 309 along with the movable sleeve 304. When the bidirectional screw rod 303 rotates at the beginning, the turntable 311 rotates accordingly, so that the one-way teeth 313 gradually approach the one-way ratchet 314. After the end is separated from the drying tube 309, the bidirectional screw rod 303 continues to rotate so that the one-way teeth 313 and the one-way ratchet 314 The one-way ratchet 314 is engaged and then continues to rotate 120 degrees, so that the one-way ratchet 314 is pushed to carry the sleeve bracket 308 together with the drying tube 309 and the tube sleeve 310 fixed on the surface to move 120 degrees, thereby making the drying tube 309 originally at the vacuum end 307 position replace the drying tube 309 originally at the drying end 305 position, and the drying tube 309 originally at the drying end 305 position replaces the drying tube 309 originally at the regeneration end 306 position, and the drying tube 309 originally at the regeneration end 306 position replaces the drying tube 309 originally at the vacuum end 307 position; Then, the two-way screw rod 303 rotates in the opposite direction to make the movable sleeve seat 304 approach each other for reset, so that each end is against both ends of the drying tube 309 to achieve sealing. When the two-way screw rod 303 rotates in the opposite direction, the one-way tooth 313 cannot exert force on the one-way ratchet wheel 314 due to the elastic rotation effect of the torsion spring 312 and the arc-shaped side effect of the one-way ratchet wheel 314, but will stick to the arc-shaped side of the one-way ratchet wheel 314 and rotate into the groove of the rotating disk 311. At this time, the sleeve bracket 308 does not rotate, so the position of each drying tube 309 does not move. After the two-way screw rod 303 rotates in the opposite direction to reset, it enters the next cycle preparation. Then all the electronic valves are opened, and the drying end 305 continues to be used to transmit hydrogen, and when the hydrogen passes through the new drying tube 309, the regenerated molecular sieve inside it absorbs moisture; The drying tube 309 moved to the regeneration end 306 has hot dry inert gas injected into it through a hose to dry the saturated molecular sieve, and the regenerated drying tube 309 carries the molecular sieve and moves to the vacuum end 307. At this time, the residual gas inside the drying tube 309 and the tube sleeve 310 is extracted through the hose, so that the drying tube 309 is in a vacuum state when it is used, and the drying tank 301 is always in a vacuum state to prevent the residual gas from mixing with the hydrogen. Based on the above description, the present invention can replace the position of the drying tube 309 by itself by driving the bidirectional screw 303 to rotate through the driving motor 302, so that the adsorption saturated molecular sieve can be heated and regenerated, and the regenerated molecular sieve is vacuumed, and the vacuumed molecular sieve is put back into the hydrogen drying operation, thereby realizing automatic circulation operation, so there is no need to prepare a number of drying mechanisms, which greatly reduces the size of the equipment and the difficulty of regeneration operation after the drying material is adsorbed saturated. In addition, the one-way ratchet 314, one-way teeth 313, torsion spring 312, and turntable 311 structure can prevent the drying tube 309 from resetting together when the bidirectional screw 303 is reversed.

[0022] like Figure 1-Figure 9 As shown, the inner wall of the drying tube 309 is staggeredly provided with flexible rubber belts 4, and the bottom of the flexible rubber belts 4 is connected to an air baffle 5, the surface of the air baffle 5 is provided with a penetration groove 6, and the inside of the penetration groove 6 is penetrated with a transmission rod 7, the surface of the transmission rod 7 is connected to the surface of the air baffle 5 through a rope, the top of the transmission rod 7 penetrates the top of the drying tube 309 and is connected to a rubber ball 8, and the outer diameter of the rubber ball 8 is larger than the outer diameter of the top opening of the drying tube 309; The specific operation is as follows: the inner wall of each drying tube 309 is provided with an air baffle 5 distributed in a staggered manner. The air baffle 5 can slow down the gas movement speed to ensure that the hydrogen fully contacts the molecular sieve to remove moisture, and also ensure that the molecular sieve fully contacts the hot dry inert gas for regeneration. When the gas moves from bottom to top, as the air pressure inside the drying tube 309 increases, the rubber ball 8 is pushed up, so that the rubber ball 8 carries the transmission rod 7 to perform a lifting piston movement under the action of air pressure. When the rubber ball 8 is lifted, the gas is discharged along the pipe sleeve 310 into the upper end, thereby not hindering the gas transmission. When the transmission rod 7 moves as a piston, the air baffle 5 is driven by the rope to vibrate to vibrate the molecular sieve, so that the molecular sieve particles are loosened, thereby preventing the molecular sieve particles from agglomerating, and also facilitating the gas to fully contact the molecular sieve particles.

[0023] In summary, the ALK electrolyzer is coupled with an integrated hydrogen separation and purification device. When in use, the electrolyzer body 1 first performs electrolysis to generate hydrogen and oxygen, which are then injected into the separation and purification device 2 along a pipeline for separation and purification. The separation and purification device 2 is an existing mature device and its working principle is no longer described. The separated oxygen is directly discharged or transported to an oxygen-using environment through a pipeline, while the separated and purified hydrogen passes through the drying terminal 305 below along the pipeline and the hose and enters the interior of the drying tube 309. The hydrogen moves upward along the drying tube 309 and contacts with the molecular sieve during the movement. The molecular sieve can absorb excess water in the hydrogen, and the hydrogen with the water removed passes through the drying terminal 305 located above and enters the hydrogen storage bottle along the hose for storage. As the molecular sieve inside the drying tube 309 gradually becomes saturated with adsorption, when the saturation stage is reached, all the electronic valves are closed, and the bidirectional screw rod 303 is driven to rotate by the driving motor 302, so that the movable sleeve 304 moves away from each other along the upper and lower parts of the bidirectional screw rod 303. At this time, the upper and lower three groups of ends are all separated from the two ends of the drying tube 309 along with the movable sleeve 304. When the bidirectional screw rod 303 rotates at the beginning, the turntable 311 rotates accordingly, so that the one-way teeth 313 gradually approach the one-way ratchet 314. After the end is separated from the drying tube 309, the bidirectional screw rod 303 continues to rotate so that the one-way teeth 313 and the one-way ratchet 314 The one-way ratchet 314 is engaged and then continues to rotate 120 degrees, so that the one-way ratchet 314 is pushed to carry the sleeve bracket 308 together with the drying tube 309 and the tube sleeve 310 fixed on the surface to move 120 degrees, thereby making the drying tube 309 originally at the vacuum end 307 position replace the drying tube 309 originally at the drying end 305 position, and the drying tube 309 originally at the drying end 305 position replaces the drying tube 309 originally at the regeneration end 306 position, and the drying tube 309 originally at the regeneration end 306 position replaces the drying tube 309 originally at the vacuum end 307 position; Then, the two-way screw rod 303 rotates in the opposite direction to make the movable sleeve seat 304 approach each other for reset, so that each end is against both ends of the drying tube 309 to achieve sealing. When the two-way screw rod 303 rotates in the opposite direction, the one-way tooth 313 cannot exert force on the one-way ratchet wheel 314 due to the elastic rotation effect of the torsion spring 312 and the arc-shaped side effect of the one-way ratchet wheel 314, but will stick to the arc-shaped side of the one-way ratchet wheel 314 and rotate into the groove of the rotating disk 311. At this time, the sleeve bracket 308 does not rotate, so the position of each drying tube 309 does not move. After the two-way screw rod 303 rotates in the opposite direction to reset, it enters the next cycle preparation. The inner wall of each drying tube 309 is provided with staggered air baffles 5, which can slow down the gas movement speed to ensure that the hydrogen fully contacts the molecular sieve to remove moisture, and also ensure that the molecular sieve fully contacts the hot dry inert gas for regeneration. When the gas moves from bottom to top, the rubber ball 8 is pushed up as the air pressure inside the drying tube 309 increases, so that the rubber ball 8 carries the transmission rod 7 to perform a lifting piston movement under the action of air pressure. When the rubber ball 8 is lifted, the gas is discharged along the pipe sleeve 310 into the upper end, thereby not hindering the gas transmission. When the transmission rod 7 moves as a piston, the air baffle 5 is driven to vibrate through the rope to vibrate the molecular sieve, so that the molecular sieve particles can be loosened.

[0024] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An ALK electrolyzer coupled hydrogen separation and purification integrated device, comprising an electrolyzer body (1) and a drying device (3), characterized in that: The electrolytic cell body (1) is connected to a separation and purification device (2) via a pipeline, and the separation and purification device (2) is connected to a drying device (3) via a pipeline. The drying device (3) comprises a drying tank (301), a drive motor (302), a bidirectional screw rod (303), a movable sleeve (304), a drying end head (305), a regeneration end head (306), a vacuum end head (307), a sleeve bracket (308), a drying tube (309), a tube sleeve (310), a rotating disk (311), a torsion spring (312), a one-way tooth (313) and a one-way ratchet (314). The bottom of the drying tank (301) is fixed with a drive motor (302), and the bottom of the drive motor (302) is connected with a bidirectional screw rod (303). The bidirectional screw rod (303) is connected to the bottom of the drive motor (302). The upper and lower parts of the rod (303) are both sleeved with a movable sleeve seat (304), and the surface of the movable sleeve seat (304) is in a ring shape and is successively penetrated and fixed with a drying end head (305), a regeneration end head (306), and a vacuum end head (307). The middle part of the inner wall of the drying tank (301) is rotatably connected with a sleeve bracket (308) through a bearing bracket, and a drying tube (309) is penetrated and fixed inside the sleeve bracket (308), and a pipe sleeve (310) is fixed on the top of the drying tube (309). A rotating disk (311) is fixed in the middle part of the bidirectional screw rod (303), and a one-way tooth (313) is connected in a groove on the surface of the rotating disk (311) through a torsion spring (312), and a one-way ratchet (314) is fixed on the inner wall of the sleeve bracket (308).

2. The ALK electrolyzer coupled hydrogen separation and purification integrated device according to claim 1, characterized in that: The two movable sleeves (304) are driven toward each other via a bidirectional screw rod (303), and the movable sleeves (304) are slidably connected to the drying tank (301).

3. The ALK electrolyzer coupled hydrogen separation and purification integrated device according to claim 1, characterized in that: The one-way teeth (313) are elastically connected to the rotating disk (311) via a torsion spring (312), and the sleeve bracket (308) forms a one-way transmission structure through the one-way ratchet (314), the one-way teeth (313), the torsion spring (312), the rotating disk (311) and the two-way lead screw (303).

4. The ALK electrolyzer coupled hydrogen separation and purification integrated device according to claim 1, characterized in that: A total of three drying tubes (309) are provided, and the interior of the drying tubes (309) is filled with molecular sieves.

5. The ALK electrolyzer coupled hydrogen separation and purification integrated device according to claim 1, characterized in that: The end of the drying terminal (305) located relatively below is connected to the pipeline of the separation and purification equipment (2) through an electronic valve and a hose, and the end of the drying terminal (305) located relatively above is connected to the hydrogen storage bottle through an electronic valve and a hose.

6. The ALK electrolyzer coupled hydrogen separation and purification integrated device according to claim 1, characterized in that: The end of the regeneration terminal (306) located relatively below is connected to the hot air delivery pump via an electronic valve and a hose, and the end of the regeneration terminal (306) located relatively above is connected to the outside world via an electronic valve and a hose.

7. The ALK electrolyzer coupled hydrogen separation and purification integrated device according to claim 1, characterized in that: The two vacuum ends (307) are connected to a vacuum pump via an electronic valve and a hose.

8. The ALK electrolyzer coupled hydrogen separation and purification integrated device according to claim 1, characterized in that: The inner wall of the drying tube (309) is provided with flexible rubber belts (4) in a staggered manner, and the bottom of the flexible rubber belt (4) is connected to an air baffle (5).

9. The ALK electrolyzer coupled hydrogen separation and purification integrated device according to claim 8, characterized in that: A penetration groove (6) is provided on the surface of the air baffle plate (5), and a transmission rod (7) is penetrated inside the penetration groove (6), and the surface of the transmission rod (7) is connected to the surface of the air baffle plate (5) via a wire rope.

10. The ALK electrolyzer coupled hydrogen separation and purification integrated device according to claim 9, characterized in that: The top end of the transmission rod (7) penetrates the top of the drying tube (309) and is connected to a rubber ball (8), and the outer diameter of the rubber ball (8) is greater than the outer diameter of the top opening of the drying tube (309).

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