Hydrogen purification device based on hydrogen refueling station

Abstract

The application discloses a hydrogen purification device based on a hydrogen refueling station, which comprises a bottom plate, and a top plate arranged above the bottom plate. By opening the air inlet valve, hydrogen enters the inside of the gas storage cylinder from the air inlet pipe, and the hydrogen fills the gas storage cylinder. According to the second opening and closing mechanism, the air inlet end of one group of adsorption cylinders is arbitrarily selected to be opened, and the hydrogen rapidly enters the inside of the group of adsorption cylinders through the compression mechanism, and then the air inlet end of the group of adsorption cylinders is immediately closed. Next, the hydrogen is purified by the adsorption mechanism, the quality of the hydrogen is improved, and the hydrogen in the group of adsorption cylinders can be discharged through the air outlet pipe to the maximum extent. Then, the second opening and closing mechanism is continuously opened to open another group of adsorption cylinders, and the above purification operation is repeated, so that continuous hydrogen purification treatment is ensured, and the inside of the device can be cleaned after use, which is convenient and fast.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of hydrogen purification, in particular to a hydrogen purification device based on a hydrogen refueling station. BACKGROUND

[0002] A fuel cell core component has a very high requirement for the impurity content in a hydrogen source, and impurity gases such as H2S, CO, CO2 and N2 in the hydrogen source can seriously affect the use performance and service life of the fuel cell, for example, sulfur-containing impurities can poison the fuel cell catalyst and membrane electrode and are irreversible, and greatly reduce the service life of the battery, which is one of the problems difficult to solve for the fuel cell.

[0003] A hydrogen impurity removal device based on a hydrogen refueling station is disclosed in Chinese Patent CN202110669639.9, which comprises an outer box, filter tanks, an exhaust pipe and a controller, the inner wall of the outer box is symmetrically fixed with filter tanks, the top of the filter tank is connected with the exhaust pipe, the controller is installed between the filter tanks, characterized in that the inside top end of the filter tank is installed with a purification device, the upper part between the filter tanks is installed with a pressure regulating device, the bottom of the filter tank is installed with an auxiliary exhaust device, and the lower part between the filter tanks is installed with a gas supply device. The application adopts two filter tanks to cooperate with the gas supply device to alternately supply gas, to ensure that the purification device in one filter tank works and the purification device in the other filter tank is repaired, to complete the uninterrupted purification processing of hydrogen and ensure the efficiency of work, and the equipment structure is simple, the setting of two groups of working parts facilitates the later non-stop maintenance and reduces the maintenance cost.

[0004] However, the two filter tanks in the above-mentioned device are in an independent state, and in the case of gas selection in one of the filter tanks, the gas enters the filter tank at a slow speed only by the setting of the gas supply device, and in addition, after use, if impurities adhere to the inside of the two filter tanks, cleaning needs to be performed in sequence, which is also very inconvenient and difficult to meet the needs of workers, and to some extent, the practicability of the device is also reduced. SUMMARY

[0005] To solve the above technical problems, the application provides a hydrogen purification device based on a hydrogen refueling station, which solves the problem that the two filter tanks in the above-mentioned device are in an independent state, and in the case of gas selection in one of the filter tanks, the gas enters the filter tank at a slow speed only by the setting of the gas supply device, and in addition, after use, if impurities adhere to the inside of the two filter tanks, cleaning needs to be performed in sequence, which is also very inconvenient.

[0006] To achieve the above purposes, the technical scheme adopted by the application is as follows:

[0007] A kind of hydrogen purification device based on hydrogen station, including bottom plate, the top of the bottom plate is provided with top plate, the top end left side of the top plate is installed with compression mechanism, the top end right side of the top plate is fixedly connected with gas cylinder by support frame, the top end of the gas cylinder is communicated with adsorption cylinder, the bottom plate and top plate are provided with adjusting mechanism, the top end middle part of the gas cylinder is communicated with inlet pipe, the inlet pipe is installed with inlet valve, and the bottom end of the outer surface of the adsorption cylinder is communicated with outlet pipe, the outlet pipe is provided with outlet valve, the right side of the gas cylinder is provided with cover plate, the outside of the support frame is connected with cover plate by first opening and closing mechanism, and the inside bottom end of the adsorption cylinder is provided with second opening and closing mechanism, the inside of the adsorption cylinder is also provided with adsorption mechanism.

[0008] Preferably, the adjusting mechanism includes a first double-shaft motor, the first double-shaft motor is fixedly installed at the top end middle part of the bottom plate, the top end of the bottom plate is fixedly connected with a first connecting plate and a second connecting plate, a threaded rod is rotatably connected between the first connecting plate and the second connecting plate, a movable plate is threadedly connected to the outer surface of the threaded rod, the movable plate is slidably connected to the outer surface of a guide rod, and the two ends of the guide rod are fixedly connected to the inner sides of the first connecting plate and the second connecting plate.

[0009] Preferably, the two sides of the movable plate are rotatably connected with a first connecting arm, two groups of fixed plates are fixedly installed at the bottom end of the top plate, the other end of the first connecting arm is rotatably connected to the inner side of the fixed plate, and a connecting frame is welded at the top end of the bottom plate, a second connecting arm is rotatably connected in the connecting frame, and the other end of the second connecting arm is rotatably connected to the middle part of the first connecting arm.

[0010] Preferably, the compression mechanism includes a U-shaped frame, the U-shaped frame is fixedly connected to the top end of the top plate, two groups of drive gears are rotatably connected to the bottom end of the horizontal plate of the U-shaped frame, the two groups of drive gears are meshed, a drive motor is installed at the top end of the horizontal plate of the U-shaped frame, the output end of the drive motor is fixedly connected to one of the drive gears, the bottom end middle part of the drive gear is fixedly connected with a first rotating arm, the other end of the first rotating arm is rotatably connected with a second rotating arm, the bottom end of the second rotating arm is rotatably connected with a third rotating arm, the bottom of the third rotating arm is rotatably connected with a fourth rotating arm, the bottom of the fourth rotating arm is rotatably connected with a fifth rotating arm, the other end of the fifth rotating arm is rotatably connected to the top end of a fixed seat, and the fixed seat is fixedly installed at the top end of the top plate.

[0011] Preferably, the other end of the bottom of the second rotating arm on both sides is rotatably connected with a connecting strip, the middle part of the connecting strip is fixedly connected with one end of a sliding rod, the other end of the sliding rod is fixedly connected with a first compression plate, and the sliding rod is slidably connected to the inside of a sleeve, one end of the sleeve is fixedly connected with a second compression plate, the second compression plate is also slidably connected with the sliding rod, and the other end of the second compression plate is fixedly installed with two groups of fixed strips, and the other end of the fourth rotating arm on both sides is rotatably connected with the fixed strips on both sides.

[0012] Preferably, the first opening and closing mechanism comprises a mounting block, the outer sides of the support frames on both sides are fixedly connected with two groups of mounting blocks, the first screw rod is rotatably connected between the two groups of mounting blocks, the outer surface of the first screw rod is threadedly connected with a movable piece, one end of the first screw rod is fixedly installed with a rotating wheel, the two groups of rotating wheels are drivingly connected through a belt, one end of the rotating wheel in one group is fixedly connected to the output end of a stepping motor, the stepping motor is fixedly installed on the outer side of the support frame in one group, and the two groups of movable pieces are fixedly connected with a cover plate.

[0013] Preferably, the second opening and closing mechanism comprises a connecting piece, the inside of the adsorption cylinder is fixedly connected with a connecting rod through the connecting piece, the connecting rod and the inside of the adsorption cylinder are rotatably connected with a plurality of groups of transmission rods, the outer surface of the transmission rod is fixedly connected with a fan blade, one end of the transmission rod is fixedly connected with a transmission gear, and the outside of the adsorption cylinder is rotatably connected with an end face gear.

[0014] Preferably, the first bevel gear is fixedly connected on the two groups of transmission gears, the top end of the gas storage cylinder is fixedly connected with a second double-shaft motor, and the two output ends of the second double-shaft motor are fixedly connected with second bevel gears meshing with the first bevel gears.

[0015] Preferably, the adsorption mechanism comprises a cover, the opening of the adsorption cylinder is threadedly connected with a cover, the middle part of the top end of the cover is fixedly installed with a servo motor, the output end of the servo motor extends to the inside of the cover and is fixedly connected with one end of a rotating rod, the outer surface of the rotating rod is fixedly connected with a plurality of groups of connecting cylinders, the inside of the connecting cylinder is threadedly connected with a mounting rod, and the outer end of the mounting rod is rotatably connected with an adsorption plate.

[0016] Preferably, the inside of the rotating rod is rotatably connected with a second screw rod, the outer surface of the second screw rod is threadedly connected with a push plate, the push plate is slidably connected to the outer surface of a fixed rod, the fixed rod is fixedly connected in the inside of the rotating rod, the top end of the second screw rod is fixedly connected to the output end of a transmission motor, and the transmission motor is fixedly installed in the inside of the rotating rod.

[0017] Compared with the prior art, the hydrogen purification device based on the hydrogen refueling station has the advantages that

[0018] Advantages:

[0019] 1、The hydrogen gas enters the inside of the gas storage cylinder from the air inlet pipe by opening the air inlet valve, the hydrogen gas fills the gas storage cylinder, the air inlet end of one group of adsorption cylinders is opened according to the second opening and closing mechanism, the hydrogen gas rapidly enters the inside of the one group of adsorption cylinders through the compression mechanism, then the air inlet end of the group of adsorption cylinders is immediately closed, the hydrogen gas is purified through the adsorption mechanism, the quality of the hydrogen gas is improved, the hydrogen gas in the inside of the group of adsorption cylinders is discharged through the air outlet pipe to the maximum extent through the adsorption mechanism, then the second opening and closing mechanism is continuously opened to open another group of adsorption cylinders, the above-mentioned purification operation is repeated, the continuous circulation work is ensured, and the hydrogen gas purification treatment is not stopped.

[0020] 2、The inside of the device can be cleaned through the cooperation of the adjusting mechanism, the compression mechanism, the first opening and closing mechanism, the second opening and closing mechanism and the adsorption mechanism after use, so that the convenience is high, and the needs of the staff are further met. DETAILED DESCRIPTION

[0021] Figure 1 It is a schematic view of the overall structure of the present application;

[0022] Figure 2 It is a front view of the present application;

[0023] Figure 3 It is a schematic view of the internal structure of the gas storage cylinder in the present application;

[0024] Figure 4 It is a schematic view of the structure of the present application from another angle;

[0025] Figure 5 It is a schematic view of the structure of the adjusting mechanism in the present application; Figure 1 It is a schematic view of the enlarged structure of A proposed in the present application;

[0026] Figure 6 It is a schematic view of the structure of the compression mechanism in the present application;

[0027] Figure 7 It is a schematic view of the structure of the compression mechanism in the present application;

[0028] Figure 8 It is a schematic view of the structure of the compression mechanism in the present application from another angle;

[0029] Figure 9 It is a schematic view of the structure of the adsorption mechanism in the present application;

[0030] Figure 10 It is a schematic view of the structure of the connecting cylinder in the present application;

[0031] Figure 11 It is a schematic view of the internal structure of the rotating rod in the present application;

[0032] Figure 12 The structure diagram of the amplification structure at C proposed in the present application is shown in the figure. Figure 11 The structure diagram of the amplification structure at B proposed in the present application is shown in the figure.

[0033] Figure 13 The structure diagram of the amplification structure at C proposed in the present application is shown in the figure. Figure 4 The structure diagram of the amplification structure at B proposed in the present application is shown in the figure.

[0034] Figure 14 The structure diagram of the second opening and closing mechanism in the present application is shown in the figure.

[0035] The figure labels are as follows:

[0036] 1, bottom plate; 101, top plate; 102, support frame; 103, air cylinder; 104, adsorption cylinder; 105, air inlet pipe; 106, air inlet valve; 107, air outlet pipe; 108, air outlet valve; 109, cover plate;

[0037] 2, adjusting mechanism; 201, first double-shaft motor; 202, first connecting plate; 203, second connecting plate; 204, threaded rod; 205, guide rod; 206, movable plate; 207, fixed plate; 208, first connecting arm; 209, connecting frame; 210, second connecting arm;

[0038] 3, compression mechanism; 301, U-shaped frame; 302, drive gear; 303, drive motor; 304, first rotating arm; 305, second rotating arm; 306, third rotating arm; 307, fourth rotating arm; 308, fifth rotating arm; 309, fixed seat; 310, connecting strip; 311, sliding rod; 312, first compression plate; 313, sleeve; 314, second compression plate; 315, fixed strip;

[0039] 4, first opening and closing mechanism; 401, mounting block; 402, first lead screw; 403, rotating wheel; 404, movable piece; 405, belt; 406, stepping motor;

[0040] 5, second opening and closing mechanism; 501, connecting piece; 502, connecting rod; 503, transmission rod; 504, transmission gear; 505, face gear; 506, first bevel gear; 507, second double-shaft motor; 508, second bevel gear;

[0041] 6, adsorption mechanism; 601, cover; 602, servo motor; 603, rotating rod; 604, transmission motor; 605, second lead screw; 606, fixed rod; 607, push plate; 608, connecting cylinder; 609, mounting rod; 610, adsorption plate. DETAILED DESCRIPTION

[0042] The following description is used to disclose the present application to enable a person skilled in the art to implement the present application. The preferred embodiments in the following description are only as examples, and other obvious modifications can be conceived by those skilled in the art.

[0043] Embodiment 1

[0044] Please refer to Figures 1-14 The hydrogen purification device based on hydrogen filling station shown in the figure, including the bottom plate 1, the top plate 101 is arranged above the bottom plate 1, the compression mechanism 3 is installed at the top end of the left side of the top plate 101, the top plate 101 is fixedly connected with the gas cylinder 103 through the support frame 102 at the top end of the right side, the adsorption cylinder 104 is communicated at the top end of both sides of the gas cylinder 103, the adjusting mechanism 2 is arranged between the bottom plate 1 and the top plate 101, the gas inlet pipe 105 is communicated at the top end of the middle of the gas cylinder 103, the gas inlet valve 106 is installed on the gas inlet pipe 105, and the gas outlet pipe 107 is communicated at the bottom end of the outer surface of the adsorption cylinder 104, the gas outlet valve 108 is arranged on the gas outlet pipe 107, the cover plate 109 is arranged on the right side of the gas cylinder 103, the first opening and closing mechanism 4 is connected with the cover plate 109 through the outer side of the support frame 102, and the second opening and closing mechanism 5 is arranged at the bottom end of the inside of the adsorption cylinder 104. The inside of the adsorption cylinder 104 is also provided with the adsorption mechanism 6.

[0045] In the scheme, the gas inlet valve 106 is opened, the hydrogen gas enters the inside of the gas cylinder 103 from the gas inlet pipe 105, the hydrogen gas fills the gas cylinder 103, the gas inlet end of one group of adsorption cylinders 104 is opened according to the second opening and closing mechanism 5, the hydrogen gas rapidly enters the inside of one group of adsorption cylinders 104 through the compression mechanism 3, then the gas inlet end of the group of adsorption cylinders 104 is immediately closed, and then the hydrogen gas is removed by the adsorption mechanism 6, which improves the quality of the hydrogen gas, and the hydrogen gas in the inside of the group of adsorption cylinders 104 can be discharged through the gas outlet pipe 107 to the maximum extent; then the second opening and closing mechanism 5 is opened to open another group of adsorption cylinders 104, and the above purification operation is repeated, which continuously circulates to ensure uninterrupted hydrogen purification treatment; and after use, the inside of the device can be cleaned by cooperation of the adjusting mechanism 2, the compression mechanism 3, the first opening and closing mechanism 4, the second opening and closing mechanism 5 and the adsorption mechanism 6, which is convenient and fast, and further meets the needs of the staff.

[0046] Embodiment 2

[0047] Please refer to Figure 7 and Figure 8As shown, the compression mechanism 3 comprises a U-shaped frame 301 fixedly connected to the top end of the top plate 101, two groups of drive gears 302 rotatably connected to the bottom end of the horizontal plate of the U-shaped frame 301, the horizontal plate top end of the U-shaped frame 301 being provided with a drive motor 303, the output end of the drive motor 303 being fixedly connected to one of the two groups of drive gears 302, the bottom end of the drive gear 302 being fixedly connected to a first rotating arm 304, the other end of the first rotating arm 304 being rotatably connected to a second rotating arm 305, the bottom end of the second rotating arm 305 being rotatably connected to a third rotating arm 306, the bottom of the third rotating arm 306 being rotatably connected to a fourth rotating arm 307, the bottom of the fourth rotating arm 307 being rotatably connected to a fifth rotating arm 308, the other end of the fifth rotating arm 308 being rotatably connected to the top end of a fixed seat 309 fixedly installed on the top end of the top plate 101.

[0048] As shown in Figure 7 and Figure 8 the other end of the bottom of the second rotating arm 305 on both sides is rotatably connected to a connecting strip 310, the middle of the connecting strip 310 is fixedly connected to one end of a sliding rod 311, the other end of the sliding rod 311 is fixedly connected to a first compression plate 312, the sliding rod 311 is slidingly connected to the inside of a sleeve 313, one end of the sleeve 313 is fixedly connected to a second compression plate 314, the second compression plate 314 is also slidingly connected to the sliding rod 311, the other end of the second compression plate 314 is fixedly installed with two groups of fixed strips 315, the other end of the fourth rotating arm 307 on both sides is rotatably connected to the fixed strips 315 on both sides.

[0049] In this scheme, the working principle of the compression mechanism 3 is as follows: the output end of the drive motor 303 drives one of the two groups of drive gears 302 to rotate, so that the other group of drive gears 302 also rotates synchronously, driving the first rotating arm 304 on both sides to rotate, so that the second rotating arm 305, the third rotating arm 306, the fourth rotating arm 307 and the fifth rotating arm 308 rotate synchronously, and then the sleeve 313 slides on the outer surface of the sliding rod 311, so that the first compression plate 312 and the second compression plate 314 approach or move away from each other, when approaching, the hydrogen gas can be compressed to the middle position inside the gas cylinder 103 and enter the adsorption cylinder 104 inside the middle part of the gas cylinder 103.

[0050] Example 3

[0051] As shown in Figure 4 and Figure 5As shown, the first opening and closing mechanism 4 comprises a mounting block 401, the outer side of each of the two side support frames 102 is fixedly connected with two groups of mounting blocks 401, the first screw rod 402 is rotatably connected between the two groups of mounting blocks 401, the outer surface of the first screw rod 402 is threadedly connected with a movable piece 404, one end of the first screw rod 402 is fixedly connected with a rotating wheel 403, the two groups of rotating wheels 403 are drivingly connected through a belt 405, one end of one of the two groups of rotating wheels 403 is fixedly connected to the output end of the stepping motor 406, and the stepping motor 406 is fixedly installed on the outer side of one of the two groups of support frames 102, and the two groups of movable pieces 404 are fixedly connected with the cover plate 109.

[0052] In the scheme, the working principle of the first opening and closing mechanism 4 is as follows: the output end of the stepping motor 406 drives one of the two groups of rotating wheels 403 to rotate, and under the driving of the belt 405, the rotating wheels 403 and the first screw rod 402 on both sides are synchronously rotated as a whole, driving the movable pieces 404 on both sides to synchronously reciprocate, so that the cover plate 109 can also be reciprocated, so that the right side of the gas cylinder 103 can be realized. The opening state can also realize the closing state, and the right side of the gas cylinder 103 and the cover plate 109 are provided with a sealing ring and a sealing groove structure to ensure the sealing performance when connected.

[0053] Embodiment 4

[0054] Please refer to Figure 13 and Figure 14 As shown, the second opening and closing mechanism 5 comprises a connecting piece 501, the inside of the adsorption cylinder 104 is fixedly connected with a connecting rod 502 through the connecting piece 501, the connecting rod 502 and the inside of the adsorption cylinder 104 are rotatably connected with a plurality of groups of transmission rods 503, the outer surface of the transmission rod 503 is fixedly connected with a fan blade 509, one end of the transmission rod 503 is fixedly connected with a transmission gear 504, and the outside of the adsorption cylinder 104 is rotatably connected with an end face gear 505.

[0055] Please refer to Figure 13 and Figure 14 As shown, the first bevel gear 506 is fixedly connected to the two groups of transmission gears 504, the top end of the gas cylinder 103 is fixedly connected with a second double-shaft motor 507, and the two output ends of the second double-shaft motor 507 are fixedly connected with second bevel gears 508 meshing with the first bevel gears 506.

[0056] In the scheme, the working principle of the second opening and closing mechanism 5 is as follows: one output end of the second double-shaft motor 507 drives one side of the second bevel gear 508 to rotate, so that one side of the first bevel gear 506 and the transmission gear 504 rotate as a whole, and then the face gear 505 rotates, so that all the transmission gears 504 and the transmission rods 503 on this side rotate as a whole, and then all the fan blades 509 on this side rotate, realizing that the air inlet end of the adsorption cylinder 104 on this side can be in an open state or a closed state; since the second double-shaft motor 507 has output ends on both sides, either side of the adsorption cylinder 104 can be opened according to selection.

[0057] Embodiment 5

[0058] Please refer to Figures 9-12 , the adsorption mechanism 6 includes a cover 601, the opening of the adsorption cylinder 104 is threadedly connected with the cover 601, the top end of the cover 601 is fixedly installed with a servo motor 602, the output end of the servo motor 602 extends to the inside of the cover 601 and is fixedly connected with one end of a rotating rod 603, the outer surface of the rotating rod 603 is fixedly connected with a plurality of groups of connecting cylinders 608, the inside of the connecting cylinder 608 is threadedly connected with a mounting rod 609, and the outer end of the mounting rod 609 is rotatably connected with an adsorption plate 610.

[0059] Please refer to Figures 9-12 , the inside of the rotating rod 603 is rotatably connected with a second lead screw 605, the outer surface of the second lead screw 605 is threadedly connected with a push plate 607, the push plate 607 is slidably connected to the outer surface of a fixed rod 606, and the fixed rod 606 is fixedly connected in the inside of the rotating rod 603, the top end of the second lead screw 605 is fixedly connected with the output end of a transmission motor 604, and the transmission motor 604 is fixedly installed in the inside of the rotating rod 603.

[0060] In the scheme, the working principle of the adsorption mechanism 6 is as follows: the output end of the servo motor 602 drives the rotating rod 603 to rotate, so that a plurality of groups of adsorption plates 610 rotate synchronously for adsorbing and purifying hydrogen; and the mounting rod 609 and the connecting cylinder 608 are detachably connected, so that the adsorption plate 610 can be quickly replaced; and after the adsorption and purification is completed, since the air inlet end of the adsorption cylinder 104 in this group is always kept in a closed state during the purification process, the air outlet valve 108 on the adsorption cylinder 104 is opened, the output end of the transmission motor 604 drives the second lead screw 605 to rotate, so that the push plate 607 moves downward to extrude the hydrogen downward, realizing that the hydrogen is discharged through the air outlet pipe 107 to the maximum extent.

[0061] Embodiment 6

[0062] Please refer to Figure 6As shown, the adjusting mechanism 2 comprises a first double-shaft motor 201 fixedly installed at the middle of the top end of the bottom plate 1, and the top end of the bottom plate 1 is fixedly connected with a first connecting plate 202 and a second connecting plate 203 on both sides, and a threaded rod 204 is rotatably connected between the first connecting plate 202 and the second connecting plate 203, and an outer surface of the threaded rod 204 is threadedly connected with a movable plate 206, the movable plate 206 is slidably connected to an outer surface of a guide rod 205, and both ends of the guide rod 205 are fixedly connected with the inner sides of the first connecting plate 202 and the second connecting plate 203.

[0063] Please refer to Figure 6 As shown, the movable plate 206 is rotatably connected with a first connecting arm 208 on both sides, and the bottom end of the top plate 101 is fixedly installed with two groups of fixed plates 207 on both sides, the other end of the first connecting arm 208 is rotatably connected to the inner side of the fixed plate 207, and the top end of the bottom plate 1 is also welded with a connecting frame 209, the inside of the connecting frame 209 is rotatably connected with a second connecting arm 210, and the other end of the second connecting arm 210 is rotatably connected with the middle part of the first connecting arm 208.

[0064] In this scheme, the output end of the first double-shaft motor 201 drives the threaded rod 204 to rotate, so that the movable plate 206 moves, drives the first connecting arm 208 to rotate, so that the second connecting arm 210 rotates, and then the top plate 101 rotates, and the two output ends of the first double-shaft motor 201 can be driven on one side alone, or can be driven on both sides synchronously, so that by controlling the two output ends of the first double-shaft motor 201 to drive, the top plate 101 can be tilted to the left side or to the right side.

[0065] It is worth mentioning here that by cooperating the adjusting mechanism 2, the compression mechanism 3, the first opening and closing mechanism 4, the second opening and closing mechanism 5 and the adsorption mechanism 6, the inside of the device is cleaned, which specifically includes the following steps: with Figure 1For the perspective, the right side of the top plate 101 is tilted upward by the adjusting mechanism 2, the right side opening of the gas cylinder 103 is opened by the first opening and closing mechanism 4, the water mixed with cleaning agent is injected into the inside of the gas cylinder 103, and then the right side opening of the gas cylinder 103 is closed by the first opening and closing mechanism 4; second, the two side covers 601 are twisted open, the air inlet end of the two side adsorption cylinders 104 is closed by the second opening and closing mechanism 5, the water mixed with cleaning agent is injected into the inside of the two side adsorption cylinders 104, then the inside cleaning agent water of the gas cylinder 103 and the two side adsorption cylinders 104 is kept in a shaking state by the working of the adsorption mechanism 6 and the compression mechanism 3, the impurities adhered to the inner wall are washed off, finally the right side of the top plate 101 is tilted downward by the adjusting mechanism 2, the air inlet end of the two side adsorption cylinders 104 is opened by the second opening and closing mechanism 5, the right side opening of the gas cylinder 103 is also opened by the first opening and closing mechanism 4, and then the air inlet valve 106 is opened, so that the sewage flows out through the right side opening of the gas cylinder 103 and the air inlet pipe 105, which is convenient and meets the needs of the staff.

[0066] The working principle and use process of the device: open the air inlet valve 106, hydrogen enters the inside of the gas cylinder 103 from the air inlet pipe 105, the hydrogen fills the gas cylinder 103, according to the second opening and closing mechanism 5, the air inlet end of one group of adsorption cylinders 104 is opened, the hydrogen rapidly enters the inside of one group of adsorption cylinders 104 by the compression mechanism 3, then the air inlet end of this group of adsorption cylinders 104 is immediately closed, then the hydrogen is purified by the adsorption mechanism 6, the quality of the hydrogen is improved, and the hydrogen in the inside of this group of adsorption cylinders 104 can be discharged to the maximum extent through the air outlet pipe 107; then the other group of adsorption cylinders 104 is opened by the second opening and closing mechanism 5, the above-mentioned purification operation is repeated, and the continuous circulation work is ensured; and after the use of the device, the inside of the device can be cleaned by the cooperation of the adjusting mechanism 2, the compression mechanism 3, the first opening and closing mechanism 4, the second opening and closing mechanism 5 and the adsorption mechanism 6, which is convenient and further meets the needs of the staff.

[0067] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A hydrogen purification device based on a hydrogen refueling station, characterized in that, Includes a base plate (1), a top plate (101) is provided directly above the base plate (1), a compression mechanism (3) is installed on the left side of the top of the top of the top plate (101), the right side of the top of the top of the top plate (101) is fixedly connected to the air storage cylinder (103) through a support frame (102), both sides of the top of the air storage cylinder (103) are connected to adsorption cylinders (104), an adjustment mechanism (2) is provided between the base plate (1) and the top plate (101), and an air inlet pipe (105) is connected to the middle of the top of the air storage cylinder (103). An air inlet valve (106) is installed on (105), and an air outlet pipe (107) is connected to the bottom of the outer surface of the adsorption cylinder (104). An air outlet valve (108) is provided on the air outlet pipe (107). A cover plate (109) is provided on the right side of the air storage cylinder (103). The outer side of the support frame (102) is connected to the cover plate (109) through a first opening and closing mechanism (4). A second opening and closing mechanism (5) is provided at the bottom of the inside of the adsorption cylinder (104). An adsorption mechanism (6) is also provided inside the adsorption cylinder (104). The compression mechanism (3) includes a U-shaped frame (301), which is fixedly connected to the top of the top plate (101). Two sets of drive gears (302) are rotatably connected to the bottom of the horizontal plate of the U-shaped frame (301). The two sets of drive gears (302) mesh with each other. A drive motor (303) is installed at the top of the horizontal plate of the U-shaped frame (301). The output end of the drive motor (303) is fixedly connected to one of the sets of drive gears (302). A first rotating arm (304) is fixedly connected to the middle of the bottom end of the drive gear (302). The other end of the first rotating arm (304) is rotatably connected to the second rotating arm (305), the bottom end of the second rotating arm (305) is rotatably connected to the third rotating arm (306), the bottom of the third rotating arm (306) is rotatably connected to the fourth rotating arm (307), the bottom of the fourth rotating arm (307) is rotatably connected to the fifth rotating arm (308), the other end of the fifth rotating arm (308) is rotatably connected to the top of the fixed seat (309), and the fixed seat (309) is fixedly installed on the top of the top plate (101); The bottom ends of the second rotating arms (305) on both sides are rotatably connected to the connecting strip (310). The middle part of the connecting strip (310) is fixedly connected to one end of the sliding rod (311). The other end of the sliding rod (311) is fixedly connected to the first compression plate (312). The sliding rod (311) is slidably connected to the inside of the sleeve (313). One end of the sleeve (313) is fixedly connected to the second compression plate (314). The second compression plate (314) is also slidably connected to the sliding rod (311). The other end of the second compression plate (314) is fixedly installed with two sets of fixing strips (315). The other ends of the fourth rotating arms (307) on both sides are rotatably connected to the fixing strips (315) on both sides respectively. The second opening and closing mechanism (5) includes a connector (501). The interior of the adsorption cylinder (104) is fixedly connected to the connecting rod (502) through the connector (501). Several sets of transmission rods (503) are rotatably connected to the interior of the connecting rod (502) and the adsorption cylinder (104). A fan blade (509) is fixedly connected to the outer surface of the transmission rod (503). A transmission gear (504) is fixedly connected to one end of the transmission rod (503). An end face gear (505) is rotatably connected to the exterior of the adsorption cylinder (104).

2. The hydrogen purification device based on a hydrogen refueling station according to claim 1, characterized in that: The adjustment mechanism (2) includes a first dual-axis motor (201), which is fixedly installed at the top center of the base plate (1). A first connecting plate (202) and a second connecting plate (203) are fixedly connected to both sides of the top of the base plate (1). A threaded rod (204) is rotatably connected between the first connecting plate (202) and the second connecting plate (203). A movable plate (206) is threadedly connected to the outer surface of the threaded rod (204). The movable plate (206) is slidably connected to the outer surface of the guide rod (205), and both ends of the guide rod (205) are fixedly connected to the inner sides of the first connecting plate (202) and the second connecting plate (203), respectively.

3. The hydrogen purification device based on a hydrogen refueling station according to claim 2, characterized in that: The movable plate (206) is rotatably connected to both sides of the first connecting arm (208), and two sets of fixed plates (207) are fixedly installed on both sides of the bottom end of the top plate (101). The other end of the first connecting arm (208) is rotatably connected to the inner side of the fixed plate (207), and the top two sides of the bottom plate (1) are also welded with connecting frames (209). The inner side of the connecting frame (209) is rotatably connected to the second connecting arm (210), and the other end of the second connecting arm (210) is rotatably connected to the middle part of the first connecting arm (208).

4. A hydrogen purification device based on a hydrogen refueling station according to claim 1, characterized in that: The first opening and closing mechanism (4) includes mounting blocks (401). Two sets of mounting blocks (401) are fixedly connected to the outer sides of the support frames (102) on both sides. A first lead screw (402) is rotatably connected between the two sets of mounting blocks (401). A movable part (404) is threadedly connected to the outer surface of the first lead screw (402). A rotating wheel (403) is fixedly installed at one end of the first lead screw (402). The two sets of rotating wheels (403) are connected by a belt (405). One end of one set of rotating wheels (403) is fixedly connected to the output end of a stepper motor (406). The stepper motor (406) is fixedly installed on the outer side of one set of support frames (102). The two sets of movable parts (404) are fixedly connected to the cover plate (109).

5. A hydrogen purification device based on a hydrogen refueling station according to claim 1, characterized in that: Two sets of transmission gears (504) are fixedly connected to a first bevel gear (506), and the top of the air storage cylinder (103) is fixedly connected to a second dual-axis motor (507). The two output ends of the second dual-axis motor (507) are fixedly connected to a second bevel gear (508) that meshes with the first bevel gear (506).

6. A hydrogen purification device based on a hydrogen refueling station according to claim 1, characterized in that: The adsorption mechanism (6) includes a cover (601). The opening of the adsorption cylinder (104) is threaded with the cover (601). A servo motor (602) is fixedly installed at the top center of the cover (601). The output end of the servo motor (602) extends into the interior of the cover (601) and is fixedly connected to one end of the rotating rod (603). Several sets of connecting cylinders (608) are fixedly connected to the outer surface of the rotating rod (603). An installation rod (609) is threadedly connected to the interior of the connecting cylinder (608). An adsorption plate (610) is rotatably connected to the outer end of the installation rod (609).

7. A hydrogen purification device based on a hydrogen refueling station according to claim 6, characterized in that: The rotating rod (603) is rotatably connected to a second lead screw (605). The outer surface of the second lead screw (605) is threadedly connected to a push plate (607). The push plate (607) is slidably connected to the outer surface of the fixed rod (606), and the fixed rod (606) is fixedly connected to the inside of the rotating rod (603). The top end of the second lead screw (605) is fixedly connected to the output end of the drive motor (604), and the drive motor (604) is fixedly installed inside the rotating rod (603).

Images