An integrated device for coupling an ALK electrolyzer with hydrogen separation and purification

Abstract

The present invention discloses an integrated device for coupling an ALK electrolytic cell with hydrogen separation and purification, which relates to the technical field of hydrogen preparation. The device includes an electrolytic cell body and a drying device. The electrolytic cell body is connected to a separation and purification device through a pipeline. A turntable is fixed in the middle of the bidirectional lead screw, and a unidirectional ratchet is fixed on the inner wall of the sleeved bracket. In this integrated device for coupling an ALK electrolytic cell with hydrogen separation and purification, the position of the drying tube can be automatically replaced by driving the bidirectional lead screw to rotate through a driving motor, so that the molecular sieve with saturated adsorption can be heated and regenerated. After regeneration, the molecular sieve is evacuated, and after evacuation, the molecular sieve is put back into the hydrogen drying operation again, thereby realizing an automatic cyclic operation. Therefore, it is not necessary to prepare several drying mechanisms, which greatly reduces the volume of the equipment and greatly reduces the difficulty of the regeneration operation after the drying material is saturated with adsorption. Moreover, through the structures of the unidirectional ratchet, the unidirectional tooth, the torsion spring, and the turntable, the drying tube can be prevented from resetting together when the bidirectional lead screw rotates in the reverse direction.

Description

Technical Field

[0001] The present invention relates to the technical field of hydrogen production, and specifically to an integrated device for coupling an ALK electrolyzer with hydrogen separation and purification. Background Technique

[0002] The coupling of an ALK electrolyzer with hydrogen separation and purification is a hydrogen production system based on an alkaline water electrolyzer combined with a hydrogen separation and purification mechanism and a drying mechanism. It electrolyzes an alkaline solution (such as potassium hydroxide solution) through the electrolyzer to generate hydrogen and oxygen, then separates hydrogen through the hydrogen separation and purification mechanism while discharging oxygen, and then eliminates the excess moisture in the hydrogen through the drying mechanism, and finally stores hydrogen in a hydrogen storage cylinder.

[0003] In the existing integrated device for coupling an ALK electrolyzer with hydrogen separation and purification, its drying mechanism usually uses renewable drying materials such as molecular sieves to adsorb the excess moisture in hydrogen. However, as the drying material becomes saturated with adsorption, it needs to be regenerated by heating and vacuum, so multiple drying devices often need to be configured. When the drying material in any drying device becomes saturated with adsorption, it can be switched to a standby drying device to continue dehumidifying hydrogen. However, this also results in a large overall volume of the drying mechanism and requires a certain amount of space.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and an integrated device for coupling an ALK electrolyzer with hydrogen separation and purification is proposed. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides an integrated device for coupling an ALK electrolyzer with hydrogen separation and purification, which solves the problems raised in the above background technique.

[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 sleeve seat, 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 a moving sleeve seat, and the surface of the moving sleeve seat is 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 sleeve seats are driven towards each other through the bidirectional lead screw, and the moving sleeve seat is slidably connected to the drying tank.

[0008] Further, the one-way tooth is elastically connected to the turntable through a 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] Further, the top end of the transmission rod penetrates through the top of the drying tube and is connected with 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 integrated device for coupling an ALK electrolytic cell and hydrogen separation and purification, which has the following beneficial effects:

[0017] 1. In this integrated device for coupling an ALK electrolytic cell and hydrogen separation and purification, the position of the drying tube can be automatically replaced by driving the bidirectional lead screw to rotate through a driving motor, so that the molecular sieve with saturated adsorption can be heated and regenerated. After regeneration, the molecular sieve is evacuated, and after evacuation, the molecular sieve is put back into the hydrogen drying operation again. Thus, an automatic cyclic operation is realized, so that it is not necessary to prepare several drying mechanisms, which greatly reduces the volume of the equipment, and greatly reduces the difficulty of the regeneration operation after the drying material is saturated in adsorption. Moreover, through the structure of the one-way ratchet, one-way teeth, torsion spring and turntable, the drying tube can be prevented from resetting together when the bidirectional lead screw rotates in the reverse direction.

[0018] 2. In this integrated device for coupling an ALK electrolytic cell and hydrogen separation and purification, the baffle plate can delay the gas moving speed to ensure that hydrogen fully contacts with the molecular sieve to remove moisture, and at the same time ensure that the molecular sieve fully contacts with the hot drying inert gas for regeneration. When the gas moves upward, as the air pressure inside the drying tube increases, the rubber ball will be pushed upward, so that the rubber ball drives the transmission rod to perform a lifting piston motion under the action of the air pressure. When the transmission rod performs the piston motion, the baffle plate is driven to vibrate through the wire rope to vibrate the molecular sieve, so that the molecular sieve particles can be loosened, thereby preventing caking between the molecular sieve particles and also facilitating the full contact between the gas and each molecular sieve particle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic flow framework diagram of an integrated device for coupling an ALK electrolytic cell and hydrogen separation and purification according to the present invention;

[0020] Figure 2 is a schematic diagram of the electrolytic cell body of an integrated device for coupling an ALK electrolytic cell and hydrogen separation and purification according to the present invention;

[0021] Figure 3 is a schematic diagram of the separation and purification equipment of an integrated device for coupling an ALK electrolytic cell and hydrogen separation and purification according to the present invention;

[0022] Figure 4 is a schematic diagram of the external structure of the drying tank of an integrated device for coupling an ALK electrolytic cell and hydrogen separation and purification according to the present invention;

[0023] Figure 5 is a schematic diagram of the movable socket structure of an integrated device for coupling an ALK electrolytic cell and hydrogen separation and purification according to the present invention;

[0024] Figure 6 Schematic diagram of the internal structure of the drying tank of an integrated device for coupling an ALK electrolytic cell with hydrogen separation and purification according to the present invention;

[0025] Figure 7 Schematic diagram of the sleeve support structure of an integrated device for coupling an ALK electrolytic cell with hydrogen separation and purification according to the present invention;

[0026] Figure 8 Schematic diagram of the external structure of the drying pipe of an integrated device for coupling an ALK electrolytic cell with hydrogen separation and purification according to the present invention;

[0027] Figure 9 Schematic diagram of the internal structure of the drying pipe of an integrated device for coupling an ALK electrolytic cell with hydrogen separation and purification according to the present invention.

[0028] In the figure: 1, electrolytic cell body; 2, separation and purification equipment; 3, drying equipment; 301, drying tank; 302, drive motor; 303, bidirectional lead screw; 304, moving socket; 305, drying end; 306, regeneration end; 307, vacuum end; 308, sleeve support; 309, drying pipe; 310, pipe sleeve; 311, turntable; 312, torsion spring; 313, one-way tooth; 314, one-way ratchet; 4, flexible rubber belt; 5, air baffle; 6, through slot; 7, transmission rod; 8, rubber ball. Specific embodiments

[0029] The following further describes in detail the embodiments of the present invention with reference to the drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0030] As Figures 1 - 9As shown in the figure, the present invention provides a technical solution: an integrated device for coupling an ALK electrolytic cell and hydrogen separation and purification, which includes an electrolytic cell body 1 and a drying device 3. The electrolytic cell body 1 is connected to a separation and purification device 2 through a pipeline, and the separation and purification device 2 is connected to a drying device 3 through a pipeline. The drying device 3 includes a drying tank 301, a driving motor 302, a bidirectional lead screw 303, a moving socket 304, a drying end 305, a regeneration end 306, a vacuum end 307, a sleeve support 308, a drying pipe 309, a pipe sleeve 310, a turntable 311, a torsion spring 312, a one-way tooth 313 and a one-way ratchet 314. A driving motor 302 is fixed at the bottom of the drying tank 301, and a bidirectional lead screw 303 is connected to the bottom of the driving motor 302. Moving sockets 304 are sleeved on the upper and lower parts of the bidirectional lead screw 303, and drying ends 305, regeneration ends 306 and vacuum ends 307 are sequentially penetrated and fixed on the surface of the moving socket 304 in a ring shape. The middle part of the inner wall of the drying tank 301 is rotationally connected to a sleeve support 308 through a bearing support, and a drying pipe 309 is penetrated and fixed inside the sleeve support 308. A pipe sleeve 310 is fixed at the top of the drying pipe 309. A turntable 311 is fixed in the middle of the bidirectional lead screw 303, and a one-way tooth 313 is connected to the groove on the surface of the turntable 311 through a torsion spring 312. A one-way ratchet 314 is fixed on the inner wall of the sleeve support 308. The two moving sockets 304 are driven towards each other through the bidirectional lead screw 303, and the moving socket 304 is slidably connected to the drying tank 301. The one-way tooth 313 is elastically connected to the turntable 311 through the torsion spring 312, and a one-way transmission structure is formed between the sleeve support 308 and the bidirectional lead screw 303 through the one-way ratchet 314, the one-way tooth 313, the torsion spring 312 and the turntable 311. Three drying pipes 309 are provided in total, and molecular sieves are filled inside the drying pipes 309. The end of the drying end 305 located relatively below is connected to the pipeline of the separation and purification device 2 through an electronic valve and a hose, the end of the drying end 305 located relatively above is connected to a hydrogen storage cylinder through an electronic valve and a hose, the end of the regeneration end 306 located relatively below is connected to a hot gas delivery pump through an electronic valve and a hose, the end of the regeneration end 306 located relatively above is communicated with the outside through an electronic valve and a hose, and the two vacuum ends 307 are connected to a vacuum pump through an electronic valve and a hose;

[0031] The specific operation is as follows, as Figure 1As shown in the figure, the lye circulation pump is used to circulate and inject the electrolyte into the electrolytic cell body 1. The electrolytic cell body 1 performs electrolysis operations to generate hydrogen and oxygen. The hydrogen and oxygen are injected into the separation and purification equipment 2 through pipelines for separation and purification. The separation and purification equipment 2 is an existing mature equipment, and its working principle will not be elaborated here. The separated oxygen is directly discharged to the outside through a pipeline or transported to the oxygen-using environment. The hydrogen after separation and purification passes through the drying end 305 below along the pipeline and hose and enters the inside of the drying tube 309. The hydrogen moves upward along the drying tube 309 and contacts the molecular sieve during the movement. The molecular sieve can adsorb the excess moisture in the hydrogen, and the hydrogen with the moisture removed passes through the drying end 305 above and then enters the hydrogen storage cylinder through the hose for storage;

[0032] As the molecular sieve inside the drying tube 309 gradually becomes saturated with adsorption, when it reaches the saturation stage, all the solenoid valves are closed. The driving motor 302 drives the bidirectional lead screw 303 to rotate, causing the moving socket 304 to move away from each other along the upper and lower parts of the bidirectional lead screw 303. At this time, the three groups of upper and lower ends all move away from both ends of the drying tube 309 along with the moving socket 304. When the bidirectional lead screw 303 starts to rotate at the beginning, the turntable 311 rotates accordingly, causing the one-way tooth 313 to gradually approach the one-way ratchet 314. After the end moves away from the drying tube 309, the bidirectional lead screw 303 continues to rotate, causing the one-way tooth 313 to engage with the one-way ratchet 314 and then continue to rotate 120 degrees, causing the one-way ratchet 314 to be pushed to carry the drying tube 309 and the tube sleeve 310 fixedly installed on the surface of the sleeved bracket 308 to move 120 degrees together. As a result, the drying tube 309 originally in the position of the vacuum end 307 replaces the drying tube 309 originally in the position of the drying end 305, the drying tube 309 originally in the position of the drying end 305 replaces the drying tube 309 originally in the position of the regeneration end 306, and the drying tube 309 originally in the position of the regeneration end 306 replaces the drying tube 309 originally in the position of the vacuum end 307;

[0033] Then the bidirectional lead screw 303 rotates in the reverse direction to make the moving socket 304 approach each other for resetting, so that each end abuts against both ends of the drying tube 309 to achieve sealing. When the bidirectional lead screw 303 rotates in the reverse direction, due to the elastic rotation of the one-way tooth 313 based on the torsion spring 312 and the action of the arc side of the one-way ratchet 314, the one-way tooth 313 cannot exert force on the one-way ratchet 314 but will rotate along the arc side of the one-way ratchet 314 and rotate into the groove of the turntable 311. At this time, the sleeved bracket 308 does not rotate, so the positions of the drying tubes 309 remain unchanged. After the bidirectional lead screw 303 rotates in the reverse direction and resets, it enters the preparation for the next cycle;

[0034] Then all the solenoid valves are opened. At this time, the drying end 305 continues to be used for transporting hydrogen, and the hydrogen is adsorbed by the regenerated molecular sieve inside the new drying tube 309 when passing through it;

[0035] The drying tube 309 that has moved to the position of the regeneration end 306 is injected with hot dry inert gas into its interior through a hose to dry the saturated molecular sieve. The regenerated drying tube 309 carrying the molecular sieve moves to the position of the vacuum end 307. At this time, the residual gas inside the drying tube 309 and the sleeve 310 is extracted through the hose, so that the interior of the drying tube 309 is in a vacuum state when it is used this time. At the same time, the interior of the drying tank 301 is always in a vacuum state to prevent the residual gas from mixing with hydrogen;

[0036] Based on the above description, in the present invention, the driving motor 302 drives the bidirectional lead screw 303 to rotate, so that the position of the drying tube 309 can be replaced automatically, enabling the adsorbed saturated molecular sieve to be heated and regenerated. The regenerated molecular sieve is then evacuated, and the evacuated molecular sieve is put back into the hydrogen drying operation. Thus, an automatic cyclic operation is achieved, eliminating the need to prepare several drying mechanisms, greatly reducing the volume of the equipment, and significantly reducing the difficulty of the regeneration operation after the drying material is adsorbed and saturated. Moreover, through the structure of the one-way ratchet 314, the one-way tooth 313, the torsion spring 312, and the turntable 311, the drying tube 309 can be prevented from resetting together when the bidirectional lead screw 303 rotates in the reverse direction.

[0037] As Figures 1 - 9 shown, flexible rubber bands 4 are arranged in a staggered manner on the inner wall of the drying tube 309, and a gas baffle 5 is connected to the bottom of the flexible rubber band 4. A through groove 6 is formed on the surface of the gas baffle 5, and a transmission rod 7 is inserted into the through groove 6. The surface of the transmission rod 7 is connected to the surface of the gas baffle 5 through a wire 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;

[0038] The specific operation is as follows. Gas baffles 5 are arranged in a staggered manner on the inner walls of the respective drying tubes 309. The gas baffles 5 can slow down the gas movement speed to ensure that hydrogen fully contacts the molecular sieve to remove moisture, and at the same time ensure that the molecular sieve fully contacts the hot dry inert gas for regeneration. When the gas moves upward, as the internal pressure of the drying tube 309 increases, the rubber ball 8 will be pushed upward, causing the rubber ball 8 to drive the transmission rod 7 to perform a lifting piston motion under the action of the air pressure. When the rubber ball 8 is lifted, the gas is discharged and enters the upper end through the sleeve 310, thus not interfering with gas transmission. When the transmission rod 7 performs a piston motion, the gas baffle 5 is driven to vibrate through the wire rope to vibrate the molecular sieve, so that the molecular sieve particles can be loosened, preventing caking between the molecular sieve particles and also facilitating the full contact between the gas and each molecular sieve particle.

[0039] In summary, for the integrated device of the ALK electrolytic cell coupled with hydrogen separation and purification, during use, first, the electrolytic cell body 1 conducts electrolysis to generate hydrogen and oxygen. The hydrogen and oxygen are injected into the separation and purification equipment 2 through pipelines for separation and purification. The separation and purification equipment 2 is a mature existing equipment, and its working principle will not be elaborated here. The separated oxygen is directly discharged to the outside through a pipeline or transported to the oxygen-using environment. The hydrogen after separation and purification enters the interior of the drying tube 309 through a pipeline and a hose, passing through the lower drying end 305. The hydrogen moves upward along the drying tube 309 and contacts the molecular sieve during the movement. Excess moisture in the hydrogen can be adsorbed by the molecular sieve, and the hydrogen with moisture removed then passes through the upper drying end 305 and enters the hydrogen storage cylinder through the hose for storage;

[0040] As the molecular sieve inside the drying tube 309 gradually becomes saturated with adsorption, when reaching the saturation stage, all the solenoid valves are closed. The driving motor 302 drives the bidirectional lead screw 303 to rotate, causing the moving socket 304 to move away from each other along the upper and lower parts of the bidirectional lead screw 303. At this time, the upper, middle, and lower three groups of ends all move away from both ends of the drying tube 309 along with the moving socket 304. When the bidirectional lead screw 303 starts to rotate at the beginning, the turntable 311 rotates accordingly, causing the one-way tooth 313 to gradually approach the one-way ratchet 314. After the ends move away from the drying tube 309, the bidirectional lead screw 303 continues to rotate, causing the one-way tooth 313 to engage with the one-way ratchet 314 and then continue to rotate 120 degrees, so that the one-way ratchet 314 is pushed to carry the drying tube 309 and the tube sleeve 310 fixed on the surface of the sleeved bracket 308 to move 120 degrees together. As a result, the drying tube 309 originally in the position of the vacuum end 307 replaces the drying tube 309 originally in the position of the drying end 305, the drying tube 309 originally in the position of the drying end 305 replaces the drying tube 309 originally in the position of the regeneration end 306, and the drying tube 309 originally in the position of the regeneration end 306 replaces the drying tube 309 originally in the position of the vacuum end 307;

[0041] Then the bidirectional lead screw 303 rotates in the reverse direction to make the moving socket 304 approach each other for resetting, so that each end abuts against both ends of the drying tube 309 to achieve sealing. When the bidirectional lead screw 303 rotates in the reverse direction, due to the elastic rotation of the one-way tooth 313 based on the torsion spring 312 and the action of the arc side of the one-way ratchet 314, the one-way tooth 313 cannot exert force on the one-way ratchet 314 but will rotate along the arc side of the one-way ratchet 314 and rotate into the groove of the turntable 311. At this time, the sleeved bracket 308 does not rotate, so the positions of the drying tubes 309 remain unchanged. After the bidirectional lead screw 303 rotates in the reverse direction and resets, it enters the preparation for the next cycle;

[0042] On the inner walls of each drying tube 309, there are baffle plates 5 distributed in a staggered manner. Through the baffle plates 5, the moving speed of the gas can be delayed to ensure that hydrogen fully contacts the molecular sieve to remove moisture, and at the same time, it also ensures that the molecular sieve fully contacts the hot drying inert gas for regeneration. When the gas moves upward, as the internal air pressure in the drying tube 309 increases, the rubber ball 8 will be pushed upward, causing the rubber ball 8 to drive the transmission rod 7 to perform a lifting piston motion under the action of the air pressure. When the rubber ball 8 is lifted, the gas is discharged and enters the upper end through the tube sleeve 310, thus not interfering with the gas transmission. When the transmission rod 7 performs the piston motion, it drives the baffle plates 5 to vibrate through the wire rope to vibrate the molecular sieve, so that the molecular sieve particles can be loosened.

[0043] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles of the invention and its practical application, and to enable those of ordinary skill in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

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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