Hydrogen production plant

Abstract

The application discloses a hydrogen production device, which comprises a liquid supply module, a hydrogen production module, a hydrogen treatment module and a purification module. The liquid supply module comprises an electrolyte tank and an electrolyte channel, and the first end of the electrolyte channel is in communication with the electrolyte tank. The hydrogen production module comprises an electrolysis component and a hydrogen outlet channel, the electrolysis component is in communication with the second end of the electrolyte channel, and the first end of the hydrogen outlet channel is in communication with the electrolysis component. The hydrogen treatment module is in communication with the second end of the hydrogen outlet channel, and the hydrogen treatment module is used at least for separating gas and liquid transported to the hydrogen treatment module. The purification module is in communication with the hydrogen treatment module, and the purification module is used at least for adsorbing water in the gas transported to the purification module. The hydrogen production device provided by the application at least solves the problem that the hydrogen produced by the hydrogen production device in the related art has a high water content, thereby resulting in low hydrogen purity.

Description

Technical Field

[0001] This application relates to the field of hydrogen production technology, and more specifically, to a hydrogen production device. Background Technology

[0002] Existing hydrogen electrolysis technologies include solid polymer anion exchange membrane electrolysis (AEM) technology. AEM is typically implemented using hydrogen electrolysis equipment, which usually includes an electrolysis unit. Hydrogen and oxygen are obtained by electrolyzing the electrolyte into the electrolysis unit.

[0003] In related technologies, hydrogen produced by hydrogen production equipment contains a relatively high amount of water, resulting in low purity of hydrogen. Summary of the Invention

[0004] The main objective of this application is to provide a hydrogen production device to solve the problem that the hydrogen produced by hydrogen production devices in the related art has a high water content, resulting in low purity of hydrogen.

[0005] According to one aspect of this application, a hydrogen production apparatus is provided, comprising: A liquid supply module, comprising an electrolyte tank and an electrolyte channel, wherein a first end of the electrolyte channel is connected to the electrolyte tank; A hydrogen production module, comprising an electrolysis component and a hydrogen outlet channel, wherein the electrolysis component is connected to a second end of the electrolyte channel, and the first end of the hydrogen outlet channel is connected to the electrolysis component; A hydrogen processing module, wherein the hydrogen processing module is connected to the second end of the hydrogen outlet channel, and the hydrogen processing module is at least used to separate the gas and liquid delivered to the hydrogen processing module; A purification module, which is connected to the hydrogen treatment module, is used at least to adsorb moisture in the gas delivered to the purification module.

[0006] In some embodiments, the purification module includes a purification channel and a purification tower. The purification channel connects the purification tower and the hydrogen treatment module. The purification tower contains an adsorbent material for adsorbing gaseous water and liquid water in the gas delivered to the purification tower.

[0007] In some embodiments, the purification tower includes multiple purification towers, each purification tower is connected to the purification channel, and a first control valve is provided at the connection between each purification tower and the purification channel. The first control valve is used to open or close the purification channel. An overflow channel is connected between the multiple purification towers, and a flow restrictor is provided on each overflow channel. The flow restrictor has the ability to open to reduce the flow rate of gas through the overflow channel or to close to block the overflow channel. When the water content of the purification tower is higher than a predetermined value, the first control valve corresponding to the purification tower is closed, and the flow restrictor on the overflow channel between the purification tower and the purification tower when the water content is lower than the predetermined value is opened.

[0008] In some embodiments, the hydrogen production equipment further includes a controller, and the purification module further includes a purification tower heater and a plurality of temperature monitoring elements. The purification tower heater is disposed on the purification tower and is electrically connected to the controller. The plurality of temperature monitoring elements are disposed at intervals along the height direction of the purification tower and are electrically connected to the controller. The controller controls the purification tower heater to stop or start heating based on the temperature values ​​monitored by the multiple temperature monitoring elements.

[0009] In some embodiments, the purification tower extends along the height of the hydrogen production equipment, a drainage channel is connected to the bottom of the purification tower, a purification tower heater is disposed at the top of the purification tower, and an overflow channel is connected to the top of the purification tower.

[0010] In some embodiments, the purification tower is provided with a hydrogen discharge channel, and a first one-way valve is provided on the hydrogen discharge channel. The first one-way valve is used to make the gas in the hydrogen discharge channel flow in a direction away from the purification tower.

[0011] In some embodiments, the hydrogen processing module includes a first gas-liquid separator, a connecting channel, and a second gas-liquid separator. The first gas-liquid separator is connected to the second end of the hydrogen outlet channel, the connecting channel connects the first gas-liquid separator and the second gas-liquid separator, and the second gas-liquid separator is connected to the purification module.

[0012] In some embodiments, a first pressure detection element is provided on the connection channel, and the first pressure detection element is used to detect the pressure of the gas in the connection channel; The hydrogen production equipment also includes an exhaust gas channel and a controller. The first end of the exhaust gas channel is connected to the connecting channel, and the second end of the exhaust gas channel is connected to the outside of the hydrogen production equipment. A second control valve is provided on the exhaust gas channel. The second control valve is used to open or close the exhaust gas channel. The second control valve is electrically connected to the controller. The first pressure detection element is electrically connected to the controller. The controller controls the second control valve to open or close the exhaust gas passage based on the pressure detected by the first pressure detection element.

[0013] In some embodiments, a second check valve is provided on the exhaust gas passage, and the second check valve is located between the second end of the exhaust gas passage and the second control valve; and / or, The hydrogen production equipment further includes a hydrogen pressure relief channel and a hydrogen pressure relief valve. The first end of the hydrogen pressure relief channel is connected to the connecting channel, and the second end of the hydrogen pressure relief channel is connected to the exhaust gas channel and located between the second end of the exhaust gas channel and the second control valve. The hydrogen pressure relief valve is disposed in the hydrogen pressure relief channel and is used to open or close the hydrogen pressure relief channel. The hydrogen pressure relief valve is electrically connected to the controller, and the controller controls the hydrogen pressure relief valve to open or close the hydrogen pressure relief channel according to the pressure of the first pressure detection element.

[0014] In some embodiments, the electrolysis component is provided with a reflux channel, and the liquid supply module further includes a water-washing tank. The water-washing tank is connected to the electrolyte tank, and the water-washing tank is at least used to supply water to the electrolyte tank and to wash the gas delivered to the water-washing tank. The hydrogen production equipment also includes an oxygen collection component, which is connected to the water-washing tank.

[0015] In some embodiments, the hydrogen production equipment further includes: A water supply channel, wherein the water supply channel connects the water storage gas washing tank and the electrolyte tank; A gas scrubbing channel is provided, which connects the water-storage gas scrubbing tank and the electrolyte tank. An oxygen collection channel, wherein the oxygen collection channel connects the water-storage gas washing tank and the oxygen collection component; Wherein, along the height direction of the water-washing tank, the position where the washing channel connects to the water-washing tank is lower than the liquid level in the water-washing tank, and the position where the oxygen collection channel connects to the water-washing tank is higher than the liquid level in the water-washing tank.

[0016] In some embodiments, the hydrogen production equipment further includes an oxygen exhaust channel, an oxygen hydrogen detection element, and a controller. The oxygen exhaust channel is connected to the oxygen collection channel via a third control valve. The oxygen hydrogen detection element is disposed on the oxygen collection channel and is used to detect the hydrogen content in the gas in the oxygen collection channel. The controller is connected to the oxygen hydrogen detection element and the third control valve respectively. The controller is at least used to control the third control valve based on the detection result of the oxygen hydrogen detection element, so as to connect the oxygen collection channel with the oxygen collection component and disconnect the oxygen collection channel from the oxygen exhaust channel, or disconnect the oxygen collection channel from the oxygen collection component and connect the oxygen collection channel with the oxygen exhaust channel.

[0017] In some embodiments, the hydrogen production equipment further includes a hydrogen elimination component disposed in the oxygen collection channel; and / or, The hydrogen production equipment also includes a third one-way valve, which is disposed in the oxygen collection channel to allow the gas in the oxygen collection channel to flow toward the oxygen collection component.

[0018] In some embodiments, the hydrogen production equipment further includes: An oxygen pressure relief channel, wherein the first end of the oxygen pressure relief channel is connected to the electrolyte tank, and the second end of the oxygen pressure relief channel is connected to the outside of the hydrogen production equipment; An oxygen pressure relief valve is located at the first end of the oxygen pressure relief channel and is disposed away from the oxygen pressure relief channel. The oxygen pressure relief valve is used to open or close the oxygen pressure relief channel. The second pressure detection element is located on the oxygen pressure relief channel and is disposed near the first end of the oxygen pressure relief channel. The second pressure detection element is used to detect the pressure of the gas in the oxygen pressure relief channel. The controller is electrically connected to both the oxygen pressure relief valve and the second pressure detection element. The controller controls the oxygen pressure relief valve according to the pressure detected by the second pressure detection element, so as to open or close the oxygen pressure relief channel.

[0019] In some embodiments, the hydrogen production equipment further includes a main body and an electrical module. The main body is provided with a hydrogen production chamber and an electrical chamber that are isolated from each other. The liquid supply module, the hydrogen production module, the hydrogen processing module and the purification module are all installed in the hydrogen production chamber, and the electrical module is installed in the electrical chamber. The main body is also provided with a first heat dissipation channel and a second heat dissipation channel that are isolated from each other. The first heat dissipation channel passes through the hydrogen production chamber, and the second heat dissipation channel passes through the electrical chamber.

[0020] In some embodiments, the liquid supply module, the hydrogen production module, the hydrogen processing module, and the purification module are arranged along a first direction within the hydrogen production chamber; The first heat dissipation channel includes a first air inlet and a first air outlet. Along the first direction, the first air inlet is located on the side wall of the hydrogen production chamber near the liquid supply module, and the first air outlet is located on the side wall of the hydrogen production chamber near the purification module.

[0021] In some embodiments, the main body is further provided with a heat dissipation cavity that is isolated from both the hydrogen production cavity and the electrical cavity, and the heat dissipation cavity is used to dissipate heat from the liquid supply module; The main body is also provided with a third heat dissipation channel, which is isolated from both the first and second heat dissipation channels and extends through the heat dissipation cavity.

[0022] In some embodiments, a heat sink is provided inside the heat dissipation cavity, the electrolyte channel partially passes through the heat dissipation cavity and contacts the heat sink, and the heat sink is disposed on the third heat dissipation channel.

[0023] In this application, the electrolyte tank supplies electrolyte to the electrolysis unit through an electrolyte channel. The electrolyte is electrolyzed within the electrolysis unit into oxygen and hydrogen. The high temperature during electrolysis results in the generated hydrogen containing water vapor, as well as liquid water such as dew and mist. In this application, the hydrogen within the electrolysis unit first enters the hydrogen processing module through a hydrogen outlet channel. The hydrogen processing module separates the liquid water such as water mist and dew from the hydrogen and water vapor. The hydrogen containing water vapor then enters the purification module, where it adsorbs the water vapor and liquid water, ultimately significantly reducing the water content in the hydrogen and thus improving its purity. Attached Figure Description

[0024] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, are illustrative and descriptive, serving to explain this application and do not constitute an undue limitation thereof. In the drawings: Figure 1 This is a logic diagram of the liquid supply module, hydrogen production module, and hydrogen processing module disclosed in the embodiments of this application; Figure 2 This is a logic diagram of the hydrogen processing module and purification module disclosed in the embodiments of this application; Figure 3 This is a logic diagram of the liquid supply module, hydrogen production module, and oxygen collection module disclosed in the embodiments of this application; Figure 4 This is a structural diagram of a portion of the liquid supply module and a portion of the hydrogen production module disclosed in the embodiments of this application, viewed from a first perspective. Figure 5 This is a structural diagram of a portion of the liquid supply module and a portion of the hydrogen production module disclosed in the embodiments of this application, viewed from a second perspective. Figure 6 This is a structural diagram of the hydrogen production equipment disclosed in the embodiments of this application from a third-person perspective; Figure 7 This is a structural diagram of the hydrogen production equipment disclosed in the embodiments of this application from a fourth-person perspective; Figure 8 This is a structural diagram of the hydrogen production equipment disclosed in the embodiments of this application from a fifth-person perspective (with part of the main body removed). Figure 9 This is a structural diagram of the hydrogen production equipment disclosed in the embodiments of this application from a sixth-person perspective (with part of the main body removed). Figure 10 This is a structural diagram of the hydrogen production equipment disclosed in the embodiments of this application from a seventh-angle perspective (with part of the main body removed).

[0025] The above figures include the following reference numerals: 10. Liquid supply module; 11. Electrolyte tank; 12. Electrolyte channel; 13. Water storage and gas washing tank; 14. Gas washing channel; 15. Water supply channel; 16. Oxygen collection channel; 20. Hydrogen production module; 21. Electrolysis component; 22. Hydrogen outlet channel; 23. Reflux channel; 30. Hydrogen treatment module; 31. First gas-liquid separator; 32. Connection channel; 33. Second gas-liquid separator; 34. Waste gas channel; 35. Hydrogen pressure relief channel; 40. Purification module; 41. Purification tower; 42. Purification channel; 43. First control valve; 44. Temperature monitoring element; 5. Purification tower heater; 46. Hydrogen exhaust channel; 47. First check valve; 48. Flow guide fan; 49. Drainage channel; 50. Oxygen collection component; 51. Connecting pipe; 52. Gas storage tank; 53. Fourth check valve; 54. Third pressure detection element; 55. Fourth control valve; 61. Oxygen exhaust channel; 62. Oxygen pressure relief channel; 63. Purge channel; 70. Main body; 71. First heat dissipation channel; 72. Second heat dissipation channel; 73. Third heat dissipation channel; 80. Electrical module; 81. Electrical components; 82. Power supply components; 91. Radiator; 92. Exhaust fan; 93, water tank; 131, first opening; 132, second opening; 133, third opening; 161, oxygen-hydrogen detection element; 162, third control valve; 163, third check valve; 164, hydrogen elimination component; 311, first inlet; 312, first outlet; 313, first drain outlet; 321, first pressure detection element; 322, second control valve; 323, ball valve; 331, second inlet; 332, second outlet; 333, second drain outlet; 341, second check valve; 351, hydrogen pressure relief valve; 401, overflow valve. 402. Flow limiting element; 621. Second pressure detection element; 622. Oxygen pressure relief valve; 623. First valve body; 631. Second valve body; 701. Hydrogen production chamber; 702. Electrical chamber; 703. Heat dissipation chamber; 711. First air inlet; 712. First air outlet; 721. Second air inlet; 722. Second air outlet; 731. Third air inlet; 732. Third air outlet; 911. Heat dissipation fins; 912. Heat dissipation fan; 7011. First side wall; 7012. Second side wall; 7021. Electrical chamber; 7022. Power supply chamber. Detailed Implementation

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0028] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0029] To address the problems existing in the relevant technologies, see [link / reference]. Figures 1 to 10 As shown in the figure, this application provides a hydrogen production device, which includes a liquid supply module 10, a hydrogen production module 20, a hydrogen processing module 30, and a purification module 40.

[0030] The electrolyte supply module 10 includes an electrolyte tank 11 and an electrolyte channel 12, with the first end of the electrolyte channel 12 connected to the electrolyte tank 11. The hydrogen production module 20 includes an electrolysis component 21 and a hydrogen outlet channel 22, with the electrolysis component 21 connected to the second end of the electrolyte channel 12, and the first end of the hydrogen outlet channel 22 connected to the electrolysis component 21. The hydrogen processing module 30 is connected to the second end of the hydrogen outlet channel 22, and is used at least to separate the gas and liquid delivered to the hydrogen processing module 30. The purification module 40 is connected to the hydrogen processing module 30, and is used at least to adsorb moisture from the gas delivered to the purification module 40.

[0031] In this application, the electrolyte tank 11 supplies electrolyte to the electrolysis unit 21 through the electrolyte channel 12. The electrolyte is electrolyzed into oxygen and hydrogen within the electrolysis unit 21. The electrolysis process is carried out at a high temperature, resulting in the generated hydrogen containing water vapor, as well as liquid water such as dew and mist. In this application, the hydrogen in the electrolysis unit 21 first enters the hydrogen processing module 30 through the hydrogen outlet channel 22. The hydrogen processing module 30 separates the liquid water such as water mist and dew from the hydrogen and water vapor. The hydrogen containing water vapor then enters the purification module 40 after passing through the hydrogen processing module 30. The purification module 40 adsorbs the water vapor and liquid water in the hydrogen, ultimately significantly reducing the water content in the hydrogen and thus improving its purity.

[0032] In some embodiments, the purification module 40 includes a purification channel 42 and a purification tower 41. The purification channel 42 is connected between the purification tower 41 and the hydrogen treatment module 30. The purification tower 41 contains an adsorbent material for adsorbing gaseous water and liquid water in the gas delivered to the purification tower 41.

[0033] Specifically, the adsorbent can be zeolite, activated alumina, silica gel, activated carbon, or combinations thereof. After hydrogen passes through the hydrogen treatment module 30, large water molecules in the hydrogen, such as water mist and dew, are separated by the module. The hydrogen then enters the purification tower 41 through the purification channel 42, where water vapor is adsorbed by the adsorbent, resulting in hydrogen exiting the purification tower 41 that is almost water-free. Furthermore, the tower-type adsorption structure in this application allows for sufficient contact between the gas and the adsorbent within the tower, resulting in a large contact area, long residence time, and more thorough drying and purification, effectively removing trace amounts of moisture from the hydrogen.

[0034] In some embodiments, the purification tower 41 includes multiple purification towers 41, each of which is connected to a purification channel 42. A first control valve 43 is provided at the connection point between each purification tower 41 and the purification channel 42. The first control valve 43 is used to open or close the purification channel 42. An overflow channel 401 connects all the purification towers 41. A flow restrictor 402 is provided on each overflow channel 401. The flow restrictor 402 can be open to reduce the flow rate of gas through the overflow channel 401 or closed to block the overflow channel 401. Specifically, when the water content of a purification tower 41 is higher than a predetermined value, the first control valve 43 corresponding to that purification tower 41 is closed, and the flow restrictor 402 on the overflow channel 401 between the purification tower 41 with a water content lower than the predetermined value is opened. It is worth noting that "an overflow channel 401 connects all the purification towers 41" means that any two purification towers 41 are connected by an overflow channel 401.

[0035] Specifically, because purification tower 41 can no longer purify hydrogen after absorbing too much moisture, when the water content in purification tower 41 exceeds a predetermined value, the first control valve 43 corresponding to purification tower 41 needs to be closed to prevent hydrogen from entering purification tower 41. Furthermore, the flow restrictor 402 on the overflow channel 401 between purification tower 41 with a water content below the predetermined value needs to be opened, allowing some hydrogen to enter purification tower 41 with a water content exceeding the predetermined value through the overflow channel 401, forming a directional flow within purification tower 41 to purge it and dehydrate it. It can be understood that in this embodiment, the overflow channel 401 allows the hydrogen produced by the hydrogen production equipment to be used to help regenerate purification tower 41, preventing the introduction of other gases into purification tower 41 and thus avoiding contamination of the hydrogen. In one specific embodiment, the purification tower 41 includes two towers, with an overflow channel 401 between them. When the hydrogen production equipment is operating, the first control valve 43 corresponding to one of the purification towers 41 is first opened, while the first control valve 43 corresponding to the other purification tower 41 is closed, and the flow restrictor 402 is simultaneously closed. At this time, only one purification tower 41 is in operation, with the other tower serving as a standby. When the water content of the operating purification tower 41 exceeds a predetermined value, the first control valve 43 corresponding to that tower is closed, while the first control valve 43 corresponding to the other purification tower 41 is opened, and the flow restrictor 402 is activated. Hydrogen gas from the purification channel 42 enters the purification tower 41 with lower water content for dehydration, while a small amount of hydrogen gas enters the purification tower 41 with higher water content through the overflow channel 401 to aid in the dehydration and regeneration of that tower.

[0036] In some embodiments, the hydrogen production equipment further includes a controller (not shown in the figure), and the purification module 40 further includes a purification tower heater 45 and a plurality of temperature monitoring elements 44. The purification tower heater 45 is disposed on the purification tower 41 and is electrically connected to the controller. The plurality of temperature monitoring elements 44 are arranged along the height direction of the purification tower 41 (as shown in the figure). Figure 6 The temperature monitoring elements 44 are spaced apart on the purification tower 41 in the Z-direction, and are electrically connected to the controller. The controller controls the purification tower heater 45 to stop or start heating based on the temperature values ​​monitored by the multiple temperature monitoring elements 44.

[0037] Specifically, when purification tower 41 needs dehydration and regeneration, the controller controls the purification tower heater 45 to heat the purification tower 41. Since the purification tower 41 has a certain height, the overall heating temperature of the purification tower 41 may vary. Therefore, the hydrogen production equipment of this application is equipped with multiple temperature monitoring elements 44 along the height direction to monitor the temperature at different points along the height of the purification tower 41. When the temperatures of all temperature monitoring elements 44 are consistent and all are higher than a predetermined temperature, after a predetermined time, the controller controls the purification tower heater 45 to stop working; otherwise, the controller controls the purification tower heater 45 to continue heating. In this embodiment, the predetermined temperature and predetermined time can be set according to actual needs, and this application does not impose specific limitations.

[0038] In some embodiments, the purification tower 41 extends along the height direction of the hydrogen production equipment, a drainage channel 49 is connected to the bottom of the purification tower 41, a purification tower heater 45 is disposed at the top of the purification tower 41, and an overflow channel 401 is connected to the top of the purification tower 41.

[0039] Specifically, when the purification tower heater 45 heats the purification tower 41, hydrogen gas from the overflow channel 401 enters the purification tower 41. The hydrogen gas, carrying the heat applied by the purification tower heater 45, purges the purification tower 41 from top to bottom, causing the adsorbent in the purification tower 41 to rapidly dehydrate upon heating. The water, under the influence of gravity, enters the drainage channel 49 at the bottom of the purification tower 41, and the hydrogen and water are naturally discharged through the drainage channel 49. This embodiment improves the dehydration and regeneration rate of the purification tower 41 and avoids the problem of water accumulation inside the tower, which could cause liquid buildup and soak the adsorbent.

[0040] In some embodiments, a hydrogen discharge channel 46 is provided on the purification tower 41, and a first one-way valve 47 is provided on the hydrogen discharge channel 46. The first one-way valve 47 is used to make the gas in the hydrogen discharge channel 46 flow in a direction away from the purification tower 41.

[0041] Specifically, purification channel 42 is connected to the bottom of purification tower 41, and hydrogen discharge channel 46 is connected to the top of purification tower 41. After hydrogen enters purification tower 41 through purification channel 42, it fully contacts the adsorbed material inside purification tower 41 and finally flows out through hydrogen discharge channel 46. In this embodiment, a first one-way valve 47 is provided on hydrogen discharge channel 46 to prevent purified hydrogen from flowing into purification tower 41 through hydrogen discharge channel 46.

[0042] In some embodiments, the hydrogen processing module 30 includes a first gas-liquid separator 31, a connecting channel 32, and a second gas-liquid separator 33. The first gas-liquid separator 31 is connected to the second end of the hydrogen outlet channel 22, the connecting channel 32 connects the first gas-liquid separator 31 and the second gas-liquid separator 33, and the second gas-liquid separator 33 is connected to the purification module 40.

[0043] Specifically, the first gas-liquid separator 31 has a first inlet 311, a first drain outlet 313, and a first outlet 312. The first inlet 311 is connected to the hydrogen outlet channel 22, the first drain outlet 313 is used for drainage, and the first outlet 312 is connected to the connecting channel 32. The second gas-liquid separator 33 has a second inlet 331, a second drain outlet 333, and a second outlet 332. The second inlet 331 is connected to the connecting channel 32, the second drain outlet 333 is used for drainage, and the second outlet 332 is connected to the purification channel 42. After electrolysis by the electrolysis unit 21, hydrogen gas is generated. The hydrogen gas enters the first gas-liquid separator 31 through the hydrogen outlet channel 22. The first gas-liquid separator 31 captures the large volume of liquid water in the hydrogen gas, thereby separating the hydrogen gas from some of the liquid water in the hydrogen gas. After the hydrogen gas enters the second gas-liquid separator 33 through the connecting channel 32, it undergoes gas-liquid separation again, so that the hydrogen gas contains almost no liquid water, avoiding fine droplets from entering the purification tower 41 and contaminating and clogging the pores of the adsorbent. In this embodiment, the two-stage gas-liquid separation removes electrolyte droplets and liquid water carried in hydrogen gas in stages. The separation efficiency is much higher than that of a single-stage structure, which can significantly reduce the liquid content entering the purification module 40, reduce the load on subsequent purification units, and extend the adsorbent regeneration cycle.

[0044] In some embodiments, the first drain outlet 313 is connected to the electrolyte tank 11 to facilitate the recovery of water or electrolyte into the electrolyte tank 11, thereby reducing the operating cost of the hydrogen production equipment. In some embodiments, the hydrogen production equipment further includes a water storage tank 93, which is connected to the second drain outlet 333. The water storage tank 93 is used to collect water or electrolyte from the second gas-liquid separator 33 for reuse.

[0045] In some embodiments, a first pressure detection element 321 is provided on the connecting channel 32, which is used to detect the pressure of the gas inside the connecting channel 32. The hydrogen production equipment also includes an exhaust gas channel 34, with a first end connected to the connecting channel 32 and a second end connected to the outside of the hydrogen production equipment. A second control valve 322 is provided on the exhaust gas channel 34, which is used to open or close the exhaust gas channel 34. The second control valve 322 is electrically connected to a controller, and the first pressure detection element 321 is electrically connected to the controller. The controller controls the second control valve 322 to open or close the exhaust gas channel 34 based on the pressure detected by the first pressure detection element 321.

[0046] Specifically, when the first pressure detection element 321 detects excessive hydrogen pressure in the connection channel 32, in order to prevent an explosion due to excessive hydrogen pressure, the controller controls the second control valve 322 to open, and the hydrogen is discharged through the exhaust channel 34. When the hydrogen pressure is low, the controller controls the second control valve 322 to close, and the hydrogen passes through the connection channel 32 normally.

[0047] In some embodiments, a second check valve 341 is provided on the exhaust gas passage 34, and the second check valve 341 is located between the second end of the exhaust gas passage 34 and the second control valve 322. Similarly, the second check valve 341 is used to prevent hydrogen gas passing through the exhaust gas passage 34 from flowing back into the connecting passage 32, thereby improving the safety of the hydrogen production equipment.

[0048] In some embodiments, a ball valve 323 is also provided on the connection channel 32. When the first pressure detection element 321 detects that the pressure is too high, the ball valve 323 closes to prevent hydrogen from entering the second gas-liquid separator 33 through the connection channel 32.

[0049] In some embodiments, the hydrogen production equipment further includes a hydrogen pressure relief channel 35 and a hydrogen pressure relief valve 351. The first end of the hydrogen pressure relief channel 35 is connected to the connecting channel 32, and the second end of the hydrogen pressure relief channel 35 is connected to the exhaust gas channel 34 and located between the second end of the exhaust gas channel 34 and the second control valve 322. The hydrogen pressure relief valve 351 is disposed in the hydrogen pressure relief channel 35 and is used to open or close the hydrogen pressure relief channel 35. The hydrogen pressure relief valve 351 is electrically connected to the controller, and the controller controls the hydrogen pressure relief valve 351 to open or close the hydrogen pressure relief channel 35 according to the pressure of the first pressure detection element 321.

[0050] Specifically, during the operation of the hydrogen production equipment, the second control valve 322 may malfunction and fail to open properly. When the hydrogen pressure in the connecting channel 32 becomes too high, the second control valve 322 cannot open, and the ball valve 323 on the connecting channel 32 is closed. Hydrogen will accumulate in the connecting channel 32, further increasing the pressure and potentially causing an explosion. However, in this embodiment, because a hydrogen pressure relief channel 35 and a hydrogen pressure relief valve 351 are provided, when the first pressure detection element 321 detects that the pressure in the connecting channel 32 is higher than a predetermined value, the controller will control the hydrogen pressure relief valve 351 to open regardless of whether the second control valve 322 is open. This allows hydrogen to enter the exhaust gas channel 34 from the hydrogen pressure relief channel 35. In other words, the hydrogen pressure relief channel 35 and the hydrogen pressure relief valve 351 in this embodiment are a protective design to prevent hydrogen explosions and other safety issues caused by damage to the second control valve 322 and excessive hydrogen pressure.

[0051] In some embodiments, the electrolysis unit 21 is provided with a reflux channel 23, and the liquid supply module 10 further includes a water-washing tank 13, which is connected to the electrolyte tank 11. The water-washing tank 13 is used at least to supply water to the electrolyte tank 11 and to wash the gas delivered to the water-washing tank 13. The hydrogen production equipment also includes an oxygen collection unit 50, which is connected to the water-washing tank 13.

[0052] In this application, the water-washing tank 13 contains water, and the electrolyte tank 11 contains an electrolyte substance. When water from the water-washing tank 13 flows into the electrolyte tank 11, the water and electrolyte substance are mixed to form an electrolyte. The electrolyte in the electrolyte tank 11 flows into the electrolysis unit 21, where it is electrolyzed into oxygen and hydrogen, releasing a large amount of heat. The oxygen and some unelectrolyzed electrolyte flow back into the electrolyte tank 11 through the return channel 23, allowing the electrolyte to be recycled. When oxygen enters the electrolyte tank 11, since the electrolyte tank 11 is connected to the water-washing tank 13, the oxygen enters the water-washing tank 13, is washed by the water in the water-washing tank 13, and finally enters the oxygen collection unit 50 for collection. It is understood that during the electrolysis process, the water in the electrolyte will turn into water vapor under high temperature, thus mixing with the oxygen. In this embodiment, since the oxygen is washed by the water in the water washing tank 13, when the oxygen comes into contact with the water, the water vapor in the oxygen is condensed, which causes the water vapor to mix with the water in the water washing tank 13, and the oxygen rises naturally and eventually enters the oxygen collection component 50, thereby avoiding the oxygen in the oxygen collection component 50 from having too high a water content.

[0053] In some embodiments, the hydrogen production equipment further includes a water supply channel 15, a gas washing channel 14, and an oxygen collection channel 16. The water supply channel 15 connects the water-washing tank 13 and the electrolyte tank 11. The gas washing channel 14 connects the water-washing tank 13 and the electrolyte tank 11, and the oxygen collection channel 16 connects the water-washing tank 13 and the oxygen collection component 50. Specifically, along the height direction of the water-washing tank 13, the connection point between the gas washing channel 14 and the water-washing tank 13 is below the liquid level in the water-washing tank 13, while the connection point between the oxygen collection channel 16 and the water-washing tank 13 is above the liquid level in the water-washing tank 13.

[0054] Specifically, in AME hydrogen production, the electrolyte can be KOH solution, NaOH solution, or LiOH solution, etc. Using an alkaline solution can rapidly accelerate the electrolysis reaction rate and reduce the cell voltage. When electrolyte preparation is required, water in the water washing tank 13 can enter the electrolyte tank 11 through the water supply channel 15 and mix with the electrolyte to form the electrolyte. After electrolysis, the oxygen generated by the electrolysis unit 21 and the incompletely electrolyzed electrolyte will enter the electrolyte tank 11 through the return channel 23. Then, the oxygen enters the water washing tank 13 through the washing channel 14. Since the connection point between the washing channel 14 and the water washing tank 13 is lower than the liquid level in the water washing tank 13, the oxygen will be washed by the water in the water washing tank 13 below the liquid level, causing the water vapor in the oxygen to condense into droplets and mix with the water. After the oxygen floats to the surface, it enters the oxygen collection channel 16 through the connection between the oxygen collection channel 16 and the water-washing tank 13, and is ultimately collected by the oxygen collection component 50. In this application, the connection between the washing channel 14 and the water-washing tank 13 is positioned below the liquid level in the water-washing tank 13 to ensure that all gas entering the water-washing tank 13 through the washing channel 14 is washed with water, thus preventing the gas entering the water-washing tank 13 from directly entering the oxygen collection component 50 through the oxygen collection channel 16. Furthermore, the water washing process in this application also removes alkaline ions from the oxygen, preventing them from entering the oxygen collection component 50 and causing corrosion.

[0055] In some embodiments, the water-storage air-washing tank 13 is provided with a first opening 131, a second opening 132 and a third opening 133. The first opening 131 is located at the top of the water-storage air-washing tank 13, and the second opening 132 and the third opening 133 are both located on the side wall of the water-storage air-washing tank 13. The first opening 131 is connected to the oxygen collection channel 16, the second opening 132 is connected to the air-washing channel 14, and the third opening 133 is connected to the water supply channel 15.

[0056] Specifically, a second opening 132 and a third opening 133 are provided on the side wall to facilitate pipe connection and reduce interference between pipes. When gas enters the water-washing tank 13 through the second opening 132, the gas will only leave the liquid surface after it has made full contact with the liquid in the water-washing tank 13, thereby improving the water washing efficiency.

[0057] In some embodiments, the hydrogen production equipment further includes an oxygen exhaust channel 61 and an oxygen-hydrogen detection element 161. The oxygen exhaust channel 61 is connected to an oxygen collection channel 16 via a third control valve 162. The oxygen-hydrogen detection element 161 is disposed on the oxygen collection channel 16 and is used to detect the hydrogen content in the gas within the oxygen collection channel 16. A controller is connected to both the oxygen-hydrogen detection element 161 and the third control valve 162. The controller is at least used to control the third control valve 162 based on the detection result of the oxygen-hydrogen detection element 161, thereby connecting the oxygen collection channel 16 to the oxygen collection component 50 and disconnecting the oxygen collection channel 16 from the oxygen exhaust channel 61, or disconnecting the oxygen collection channel 16 from the oxygen collection component 50 and connecting the oxygen collection channel 16 to the oxygen exhaust channel 61.

[0058] Specifically, during the start-up phase of the hydrogen production equipment, the electrolyte environment or the working environment of the fuel cell stack may not be stable, potentially leading to a high hydrogen content in the produced oxygen. A high hydrogen content in oxygen can easily cause an explosion during use. Therefore, in this embodiment, the hydrogen content in the oxygen collected in the oxygen collection channel 16 is constantly monitored by the oxygen hydrogen detection element 161. If the hydrogen content is too high, the controller controls the third control valve 162 to open the oxygen venting channel 61 and disconnect the oxygen collection channel 16; if the hydrogen content meets the requirements, the controller controls the oxygen venting channel 61 to close and the oxygen collection channel 16 to open. In this embodiment, the threshold value for the hydrogen content in the oxygen that controls the third control valve 162 to switch can be set according to actual needs, and this application does not limit it. In some embodiments, the third control valve 162 includes a solenoid three-way valve.

[0059] In some embodiments, the hydrogen production equipment further includes a hydrogen elimination component 164, which is disposed in the oxygen collection channel 16. Specifically, the hydrogen elimination component 164 includes a hydrogen eliminater containing a catalyst, such as Pd, PdO, or Pt, which catalyzes the reaction between oxygen and hydrogen to generate water, thereby reducing the hydrogen content in the oxygen after passing through the hydrogen elimination component 164. In this embodiment, after using the hydrogen elimination component 164, the generated water will drip into the water washing tank 13 through the first opening 131 under the action of gravity, without generating other impurities that affect the oxygen.

[0060] It is known that if the gas pressure inside the oxygen collection component 50 is too high, it may cause oxygen to flow back inside the oxygen collection component 50, which in turn leads to excessive pressure inside the water washing tank 13, resulting in problems such as excessively low electrolyte concentration and excessive electrolyte flow. Therefore, to solve this problem, in some embodiments, the hydrogen production equipment also includes a third one-way valve 163, which is disposed in the oxygen collection channel 16 to allow the gas in the oxygen collection channel 16 to flow towards the oxygen collection component 50. That is, through the setting of the third one-way valve 163, oxygen can only flow from the water washing tank 13 to the oxygen collection component 50, and cannot flow from the oxygen collection component 50 into the water washing tank 13.

[0061] In some embodiments, the hydrogen production equipment further includes an oxygen pressure relief channel 62, an oxygen pressure relief valve 622, and a second pressure sensing element 621. The first end of the oxygen pressure relief channel 62 is connected to the electrolyte tank 11, and the second end of the oxygen pressure relief channel 62 is connected to the outside of the hydrogen production equipment. The oxygen pressure relief valve 622 is located on the oxygen pressure relief channel 62 and disposed away from the first end of the oxygen pressure relief channel 62, and is used to open or close the oxygen pressure relief channel 62. The second pressure sensing element 621 is located on the oxygen pressure relief channel 62 and disposed near the first end of the oxygen pressure relief channel 62, and is used to detect the pressure of the gas inside the oxygen pressure relief channel 62. A controller is electrically connected to both the oxygen pressure relief valve 622 and the second pressure sensing element 621. The controller controls the oxygen pressure relief valve 622 according to the pressure detected by the second pressure sensing element 621, so that the oxygen pressure relief valve 622 opens or closes the oxygen pressure relief channel 62.

[0062] Specifically, excessive gas pressure within the hydrogen production equipment may cause pipelines to burst. Similarly, excessive pressure in the oxygen relief channel 62 may also originate from excessive oxygen pressure in the electrolyte tank 11. Excessive oxygen pressure in the electrolyte tank 11 will result in an excessive flow rate of electrolyte supplied from the electrolyte tank 11 to the electrolysis component 21, thus affecting the electrolysis effect of the electrolysis component 21. In this embodiment, when the second pressure detection element 621 detects excessive gas pressure in the oxygen relief channel 62, the controller opens the oxygen relief valve 622, allowing gas to flow out of the oxygen relief channel 62. Conversely, when the second pressure detection element 621 detects low pressure in the oxygen relief channel 62, the controller closes the oxygen relief valve 622, preventing gas from flowing out. Through the configuration of the second pressure detection element 621, the controller, and the oxygen relief valve 622, the hydrogen production equipment can automatically open or close the oxygen relief valve 622, improving the automation level of the hydrogen production equipment.

[0063] In some embodiments, a first valve body 623 is provided on the oxygen pressure relief channel 62, and the first valve body 623 is located between the second pressure detection element 621 and the oxygen pressure relief valve 622. The first valve body 623 is at least used to open or close the oxygen pressure relief channel 62. Specifically, when the hydrogen production equipment is working, the first valve body 623 is normally open to prevent abnormal gas pressure in the hydrogen production equipment from causing the pipeline inside the hydrogen production equipment to burst. When the hydrogen production equipment stops working, the first valve body 623 is closed to prevent the second pressure detection element 621 from detecting abnormalities and triggering the oxygen pressure relief valve 622.

[0064] In some embodiments, the oxygen collection component 50 includes a connecting pipe 51, a gas storage tank 52, and a fourth one-way valve 53. A first end of the connecting pipe 51 is connected to an oxygen collection channel 16, and the gas storage tank 52 is connected to a second end of the connecting pipe 51. The fourth one-way valve 53 is disposed on the connecting pipe 51 to allow gas within the connecting pipe 51 to flow towards the gas storage tank 52. Specifically, the gas storage tank 52 is used to store oxygen produced by the hydrogen production equipment, and the fourth one-way valve 53 is provided to prevent excessive gas pressure within the gas storage tank 52 from causing gas to flow from the connecting pipe 51 into the oxygen collection channel 16.

[0065] In some embodiments, the oxygen collection component 50 further includes a third pressure sensing element 54 and a fourth control valve 55. The third pressure sensing element 54 is disposed in the connecting pipe 51 and electrically connected to a controller. The third pressure sensing element 54 is used to detect the pressure of the gas within the connecting pipe 51. The fourth control valve 55 is disposed in the connecting pipe 51 and located between the fourth check valve 53 and the oxygen collection channel 16. The fourth control valve 55 is used to open or close the connecting pipe 51 and is electrically connected to the controller. The controller is at least used to control the fourth control valve 55 based on the gas pressure detected by the third pressure sensing element 54, so that the fourth control valve 55 opens or closes the connecting pipe 51.

[0066] Specifically, when the gas pressure in the connecting pipe 51 reaches the specified pressure, the pressure in the gas storage tank 52 also reaches the specified pressure. At this time, the gas storage tank 52 is filled with sufficient gas, and the controller controls the fourth control valve 55 to close the connecting pipe 51, preventing oxygen from the oxygen collection channel 16 from entering the gas storage tank 52. Conversely, if the gas pressure in the connecting pipe 51 does not reach the specified pressure, the gas storage tank 52 is not filled with sufficient gas, and the controller controls the fourth control valve 55 to open the connecting pipe 51, allowing oxygen from the oxygen collection channel 16 to enter the gas storage tank 52 through the connecting pipe 51. This embodiment avoids overfilling the gas storage tank 52 with gas, reducing the risk of explosion. In this application, the specified pressure can be set according to actual needs, and this application does not impose specific limitations.

[0067] In some embodiments, multiple oxygen collection components 50 are included, and along the direction from the water-washing tank 13 to the oxygen collection component 50, the multiple oxygen collection components 50 are spaced apart and connected to the oxygen collection channel 16. That is, multiple oxygen collection components 50 can be used to collect oxygen simultaneously, and when one oxygen collection component 50 is damaged, the remaining oxygen collection components 50 can still collect oxygen. In addition, since the controller is electrically connected to the fourth control valve 55 of each oxygen collection component 50, when a part of the gas storage tank 52 is full of oxygen, the controller will close the fourth control valve 55 corresponding to that gas storage tank 52 to achieve automated collection.

[0068] In some embodiments, the hydrogen production equipment further includes a purge channel 63, which is connected to the hydrogen outlet channel 22. A second valve body 631 is provided on the purge channel 63, which is used to open or close the purge channel 63 at least.

[0069] Specifically, when the hydrogen production equipment is not in operation, the second valve 631 needs to be opened to allow external protective gas to enter the electrolysis unit 21 through the purge channel 63, thereby expelling waste gas from the hydrogen production equipment. Once the hydrogen production equipment is operational, the second valve 631 is closed. At this time, the hydrogen and oxygen produced by the electrolysis unit 21 have relatively stable purity, and there is no waste gas contaminating the hydrogen or oxygen within the equipment. In this embodiment, the protective gas can be nitrogen, helium, or argon, etc.

[0070] In some embodiments, the hydrogen production equipment further includes a main body 70 and an electrical module 80. The main body 70 has a hydrogen production chamber 701 and an electrical chamber 702 that are isolated from each other. The liquid supply module 10, hydrogen production module 20, hydrogen processing module 30, and purification module 40 are all installed in the hydrogen production chamber 701, and the electrical module 80 is installed in the electrical chamber 702. The main body 70 also has a first heat dissipation channel 71 and a second heat dissipation channel 72 that are isolated from each other. The first heat dissipation channel 71 penetrates the hydrogen production chamber 701, and the second heat dissipation channel 72 penetrates the electrical chamber 702.

[0071] In this application, the main body 70 is provided with a hydrogen production chamber 701 and an electrical chamber 702 that are isolated from each other. The liquid supply module 10, hydrogen production module 20, hydrogen processing module 30, and purification module 40 are all installed in the hydrogen production chamber 701, and the electrical module 80 is installed in the electrical chamber 702. The two chambers do not interfere with each other. In addition, the first heat dissipation channel 71 can dissipate heat from the liquid supply module 10, hydrogen production module 20, hydrogen processing module 30, and purification module 40 in the hydrogen production chamber 701, and the second heat dissipation channel 72 can dissipate heat from the electrical module 80 in the electrical chamber 702. The two are isolated from each other, preventing hydrogen carried out by the first heat dissipation channel 71 from entering the electrical chamber 702 through the second heat dissipation channel 72, effectively preventing hydrogen from coming into contact with an electric spark and causing an explosion, thus improving the safety performance of the hydrogen production equipment. On the other hand, in this embodiment, the liquid supply module 10, hydrogen production module 20, hydrogen processing module 30, and purification module 40 are integrated into the main body 70, which facilitates the movement of the hydrogen production equipment and maximizes the space utilization of the hydrogen production equipment.

[0072] In some embodiments, the liquid supply module 10, hydrogen production module 20, hydrogen processing module 30, and purification module 40 are aligned along a first direction (as shown in the attached diagram). Figure 8 The first heat dissipation channel 71 is arranged in the hydrogen production chamber 701 in the X direction. The first heat dissipation channel 71 includes a first air inlet 711 and a first air outlet 712. In the first direction, the first air inlet 711 is opened on the side wall of the hydrogen production chamber 701 near the liquid supply module 10, and the first air outlet 712 is opened on the side wall of the hydrogen production chamber 701 near the purification module 40.

[0073] It is known that the heat generated by the hydrogen production module 20 is higher than that of the hydrogen processing module 30 and the purification module 40. Therefore, in this embodiment, after the cooling gas enters the hydrogen production chamber 701 through the first inlet 711, it first contacts the liquid supply module 10, and then contacts the higher-temperature hydrogen production module 20. Due to the large heat exchange temperature difference between the cooling gas and the hydrogen production module 20, the cooling gas can efficiently remove the heat from the hydrogen production module 20. Afterwards, the cooling gas passes through the relatively lower-temperature hydrogen processing module 30 and the purification module 40, and still has the cooling capacity to dissipate heat from these modules. Finally, the cooling gas flows out through the first outlet 712. This embodiment maximizes the utilization of the cooling gas's cooling capacity and improves the overall heat dissipation efficiency. In this embodiment, the cooling gas can be air or a low-temperature inert gas.

[0074] In some embodiments, along a first direction, the hydrogen production chamber 701 includes a first sidewall 7011 and a second sidewall 7012 opposite to each other. A first air inlet 711 is located at the bottom of the first sidewall 7011, and a first air outlet 712 is located at the top of the second sidewall 7012. Specifically, since the first air inlet 711 is located at the bottom of the first sidewall 7011, when the heat dissipation gas enters the hydrogen production chamber 701 through the first air inlet 711, some of the heat dissipation gas will flow from bottom to top after being heated, thereby facilitating contact between the heat dissipation gas and various parts of the purification tower 41 and the hydrogen production module 20 in the height direction, and improving the heat dissipation uniformity of the purification tower 41 and the hydrogen production module 20.

[0075] In some embodiments, the hydrogen production equipment further includes an exhaust fan 92, which is disposed at the first air outlet 712. Specifically, the exhaust fan 92 is used to discharge the heat-dissipating gas in the hydrogen production chamber 701 to the first air outlet 712, preventing heat from accumulating in the hydrogen production chamber 701. Simultaneously, when the exhaust fan 92 discharges the heat-dissipating gas from the hydrogen production chamber 701, it creates a negative pressure within the hydrogen production chamber 701, facilitating the entry of heat-dissipating gas through the first air inlet 711. Furthermore, the exhaust fan 92 accelerates the gas flow within the hydrogen production chamber 701, significantly improving the heat dissipation effect of the hydrogen production chamber 701.

[0076] It is understood that when the heat dissipation gas enters through the first inlet 711, because the first inlet 711 is located at the bottom of the first side wall 7011, some of the heat dissipation gas will flow directly to the bottom of the purification tower 41 and will not be able to contact the rest of the purification tower 41 in the height direction. Therefore, in order to improve the utilization rate of the heat dissipation gas, in some embodiments, the purification module 40 also includes a flow guide fan 48, which is located at the bottom of the purification tower 41 and on the first heat dissipation channel 71.

[0077] In other words, when the heat dissipation gas enters the hydrogen production chamber 701 through the first air inlet 711, some of the heat dissipation gas flows to the bottom of the purification tower 41 and is then caused to rise along the height direction by the flow guide fan 48, which facilitates the contact between the heat dissipation gas and various parts of the purification tower 41 in the height direction.

[0078] In some embodiments, the flow guide fan 48 includes a plurality of fans, which are disposed one-to-one at the bottom of a plurality of purification towers 41, and the corresponding flow guide fan 48 and purification tower 41 can be selectively turned on.

[0079] Specifically, in the actual hydrogen production process, only one purification tower 41 can be turned on, or multiple towers can be turned on simultaneously, depending on actual needs. When the purification tower 41 is turned on, it purifies the hydrogen, which will generate heat inside the purification tower 41. At this time, the flow guide fan 48 corresponding to the purification tower 41 can be turned on so that the heat dissipation gas can have sufficient contact with the purification tower 41.

[0080] In some embodiments, the electrical module 80 includes a power-consuming component 81 and a power supply component 82. The electrical cavity 702 includes a power-consuming chamber 7021 and a power supply chamber 7022 that are interconnected. The power-consuming component 81 is disposed within the power-consuming chamber 7021, and the power supply component 82 is disposed within the power supply chamber 7022. The second heat dissipation channel 72 includes a second air inlet 721 and a second air outlet 722. The second air inlet 721 is located on the side wall of the power-consuming chamber 7021, and the second air outlet 722 is located on the side wall of the power supply chamber 7022.

[0081] Specifically, the power-consuming component 81 and the power supply component 82 are placed in the power-consuming chamber 7021 and the power supply chamber 7022, respectively. This arrangement facilitates the wiring between the power-consuming component 81 and the power supply component 82. Furthermore, since the heat generated by the power-consuming component 81 is lower than that of the power supply component 82, placing the power supply component 82 separately in the power supply chamber 7022 allows the cooling air to dissipate heat more quickly after passing through the power supply chamber 7022.

[0082] In some embodiments, the power supply assembly 82 includes multiple power supplies, all electrically connected to a controller. The controller switches the number of power supplies connected in series according to the usage scenario of the hydrogen production equipment. In other words, the controller can automatically adjust the number of power supplies activated based on the usage scenario of the hydrogen production equipment. Specifically, when the hydrogen production equipment is at a high altitude, the actual capacity of the power supplies will decrease due to the altitude. In this case, the controller can activate another power supply to connect in series with the previous power supply, thereby increasing the overall capacity of the hydrogen production equipment and preventing insufficient power supply that would render the hydrogen production equipment unusable in high-altitude areas.

[0083] In some embodiments, the main body 70 is further provided with a heat dissipation cavity 703 that is isolated from both the hydrogen production cavity 701 and the electrical cavity 702. The heat dissipation cavity 703 is used to dissipate heat from the liquid supply module 10. A third heat dissipation channel 73 is also provided on the main body 70. The third heat dissipation channel 73 is isolated from both the first heat dissipation channel 71 and the second heat dissipation channel 72. The third heat dissipation channel 73 passes through the heat dissipation cavity 703.

[0084] Specifically, the heat dissipation cavity 703 is used to dissipate heat from the liquid supply module, further improving the heat dissipation efficiency of the hydrogen production equipment. Furthermore, the heat dissipation cavity 703 is located at the top of the power supply chamber 7022, utilizing the unused space at the top of the power supply chamber 7022 to arrange the heat dissipation cavity 703, making full use of the space in the hydrogen production equipment, improving equipment integration, reducing the overall footprint, and making the structure more compact. In addition, in this embodiment, the third heat dissipation channel 73 is isolated from both the first heat dissipation channel 71 and the second heat dissipation channel 72. When the third heat dissipation channel 73 dissipates heat from the heat dissipation cavity 703, the dissipated gas passing through the heat dissipation cavity 703 will not enter the electrical cavity 702 or the hydrogen production cavity 701, thereby avoiding mutual interference between hot and cold airflows in the hydrogen production equipment.

[0085] In some embodiments, a heat sink 91 is provided in the heat dissipation cavity 703, and the electrolyte channel 12 is partially inserted into the heat dissipation cavity 703 and in contact with the heat sink 91. The heat sink 91 is disposed on the third heat dissipation channel 73.

[0086] Specifically, a partition is provided between the heat dissipation chamber 703 and the hydrogen production chamber 701. The electrolyte channel 12 passes through the partition and contacts the radiator 91, allowing the radiator 91 to dissipate heat from the electrolyte within the channel 12. Furthermore, this configuration separates the electrolyte, hydrogen-containing gas, and electrical module 80, preventing mutual interference and further improving the safety and stability of the hydrogen production equipment. It is understood that the reason for using a separate radiator 91 to dissipate heat from the electrolyte in the channel 12 is that the electrolyte temperature is too high, and relying solely on the first heat dissipation channel 71 for cooling is ineffective. Therefore, the radiator 91 is needed to directly dissipate heat from the electrolyte.

[0087] In some embodiments, the third heat dissipation channel 73 includes a third air inlet 731 and a third air outlet 732, both of which are located on the side wall of the heat dissipation cavity 703. The heat sink 91 includes heat dissipation fins 911 and a heat dissipation fan 912, with the heat dissipation fins 911 disposed on the third air inlet 731 and the heat dissipation fan 912 disposed on the heat dissipation fins 911.

[0088] Specifically, after the electrolyte channel 12 comes into contact with the heat dissipation fins 911, it transfers the heat from the electrolyte to the heat dissipation fins 911. Since the heat dissipation fins 911 are located on the third air inlet 731, and the cooling fan 912 is located on the heat dissipation fins 911, when the cooling fan 912 operates, it applies a suction force to the third air inlet 731 through the heat dissipation fins 911, causing external cooling gas to pass through the third air inlet 731 and then through the heat dissipation fins 911. The cooling gas after passing through the heat dissipation fins 911 passes through the cooling fan 912 and is finally discharged from the heat dissipation cavity 703 through the third air outlet 732. In some embodiments, multiple cooling fans 912 are arranged at intervals to improve the heat dissipation efficiency within the heat dissipation cavity 703.

[0089] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0090] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0091] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A hydrogen production device, characterized in that, include: The liquid supply module (10) includes an electrolyte tank (11) and an electrolyte channel (12), the first end of which is connected to the electrolyte tank (11); Hydrogen production module (20), the hydrogen production module (20) includes an electrolysis component (21) and a hydrogen outlet channel (22), the electrolysis component (21) is connected to the second end of the electrolyte channel (12), and the first end of the hydrogen outlet channel (22) is connected to the electrolysis component (21); A hydrogen processing module (30) is connected to the second end of the hydrogen outlet channel (22), and the hydrogen processing module (30) is used at least to separate the gas and liquid delivered to the hydrogen processing module (30); Purification module (40), which is connected to hydrogen treatment module (30), is used at least to adsorb moisture in the gas delivered to purification module (40).

2. The hydrogen production equipment according to claim 1, characterized in that, The purification module (40) includes a purification channel (42) and a purification tower (41). The purification channel (42) is connected between the purification tower (41) and the hydrogen treatment module (30). The purification tower (41) contains an adsorbent material, which is used to adsorb gaseous water and liquid water in the gas delivered to the purification tower (41).

3. The hydrogen production equipment according to claim 2, characterized in that, The purification tower (41) includes multiple towers, each of which is connected to the purification channel (42). Each purification tower (41) is provided with a first control valve (43) at the connection point between the purification channel (42) and the purification channel (42). The first control valve (43) is used to open or close the purification channel (42). Each of the multiple purification towers (41) is connected to an overflow channel (401). Each overflow channel (401) is provided with a flow restrictor (402). The flow restrictor (402) has the ability to open to reduce the flow rate of gas through the overflow channel (401) or to close to block the overflow channel (401). When the water content of the purification tower (41) is higher than a predetermined value, the first control valve (43) corresponding to the purification tower (41) is closed, and the flow restrictor (402) on the overflow channel (401) between the purification tower (41) with a water content lower than the predetermined value is opened.

4. The hydrogen production equipment according to claim 3, characterized in that, The hydrogen production equipment also includes a controller, and the purification module (40) also includes a purification tower heater (45) and a plurality of temperature monitoring elements (44). The purification tower heater (45) is disposed on the purification tower (41) and is electrically connected to the controller. The plurality of temperature monitoring elements (44) are disposed at intervals along the height direction of the purification tower (41) on the purification tower (41) and are electrically connected to the controller. The controller controls the purification tower heater (45) to stop or start heating based on the temperature values ​​monitored by the multiple temperature monitoring elements (44).

5. The hydrogen production equipment according to claim 4, characterized in that, The purification tower (41) extends along the height direction of the hydrogen production equipment. A drainage channel (49) is connected to the bottom of the purification tower (41). The purification tower heater (45) is located at the top of the purification tower (41). The overflow channel (401) is connected to the top of the purification tower (41).

6. The hydrogen production equipment according to claim 2, characterized in that, The purification tower (41) is provided with a hydrogen discharge channel (46), and a first one-way valve (47) is provided on the hydrogen discharge channel (46). The first one-way valve (47) is used to make the gas in the hydrogen discharge channel (46) flow in a direction away from the purification tower (41).

7. The hydrogen production equipment according to claim 1, characterized in that, The hydrogen processing module (30) includes a first gas-liquid separator (31), a connecting channel (32), and a second gas-liquid separator (33). The first gas-liquid separator (31) is connected to the second end of the hydrogen outlet channel (22). The connecting channel (32) connects the first gas-liquid separator (31) and the second gas-liquid separator (33). The second gas-liquid separator (33) is connected to the purification module (40).

8. The hydrogen production equipment according to claim 7, characterized in that, A first pressure detection element (321) is provided on the connection channel (32), and the first pressure detection element (321) is used to detect the pressure of the gas in the connection channel (32); The hydrogen production equipment also includes an exhaust gas channel (34) and a controller. The first end of the exhaust gas channel (34) is connected to the connecting channel (32), and the second end of the exhaust gas channel (34) is connected to the outside of the hydrogen production equipment. A second control valve (322) is provided on the exhaust gas channel (34). The second control valve (322) is used to open or close the exhaust gas channel (34). The second control valve (322) is electrically connected to the controller. The first pressure detection element (321) is electrically connected to the controller. The controller controls the second control valve (322) to open or close the exhaust gas passage (34) based on the pressure detected by the first pressure detection element (321).

9. The hydrogen production equipment according to claim 8, characterized in that, A second check valve (341) is provided on the exhaust gas passage (34), and the second check valve (341) is located between the second end of the exhaust gas passage (34) and the second control valve (322); and / or, The hydrogen production equipment also includes a hydrogen pressure relief channel (35) and a hydrogen pressure relief valve (351). The first end of the hydrogen pressure relief channel (35) is connected to the connecting channel (32), and the second end of the hydrogen pressure relief channel (35) is connected to the waste gas channel (34) and located between the second end of the waste gas channel (34) and the second control valve (322). The hydrogen pressure relief valve (351) is installed in the hydrogen pressure relief channel (35) and is used to open or close the hydrogen pressure relief channel (35). The hydrogen pressure relief valve (351) is electrically connected to the controller. The controller controls the hydrogen pressure relief valve (351) to open or close the hydrogen pressure relief channel (35) according to the pressure of the first pressure detection element (321).

10. The hydrogen production equipment according to any one of claims 1 to 9, characterized in that, The electrolysis unit (21) is provided with a return channel (23), and the liquid supply module (10) further includes a water-washing tank (13). The water-washing tank (13) is connected to the electrolyte tank (11). The water-washing tank (13) is used at least to supply water to the electrolyte tank (11) and to wash the gas delivered to the water-washing tank (13). The hydrogen production equipment also includes an oxygen collection component (50), which is connected to the water storage and gas washing tank (13).

11. The hydrogen production equipment according to claim 10, characterized in that, The hydrogen production equipment also includes: Water supply channel (15), the water supply channel (15) is connected between the water storage gas washing tank (13) and the electrolyte tank (11); A gas scrubbing channel (14) is connected between the water storage gas scrubbing tank (13) and the electrolyte tank (11); Oxygen collection channel (16) is connected between the water-storage gas washing tank (13) and the oxygen collection component (50); Along the height direction of the water-washing gas tank (13), the connection position between the gas washing channel (14) and the water-washing gas tank (13) is lower than the liquid level in the water-washing gas tank (13), and the connection position between the oxygen collection channel (16) and the water-washing gas tank (13) is higher than the liquid level in the water-washing gas tank (13).

12. The hydrogen production equipment according to claim 11, characterized in that, The hydrogen production equipment also includes an oxygen exhaust channel (61), an oxygen hydrogen detection element (161), and a controller. The oxygen exhaust channel (61) is connected to the oxygen collection channel (16) through a third control valve (162). The oxygen hydrogen detection element (161) is installed on the oxygen collection channel (16) and is used to detect the hydrogen content in the gas in the oxygen collection channel (16). The controller is connected to the oxygen hydrogen detection element (161) and the third control valve (162) respectively. The controller is at least used to control the third control valve (162) based on the detection result of the oxygen hydrogen detection element (161) so that the oxygen collection channel (16) is connected to the oxygen collection component (50) and the oxygen collection channel (16) is disconnected from the oxygen exhaust channel (61), or the oxygen collection channel (16) is disconnected from the oxygen collection component (50) and the oxygen collection channel (16) is connected to the oxygen exhaust channel (61).

13. The hydrogen production equipment according to claim 11, characterized in that, The hydrogen production equipment further includes a hydrogen elimination component (164), which is disposed in the oxygen collection channel (16); and / or, The hydrogen production equipment also includes a third one-way valve (163), which is disposed in the oxygen collection channel (16) to allow the gas in the oxygen collection channel (16) to flow toward the oxygen collection component (50).

14. The hydrogen production equipment according to claim 10, characterized in that, The hydrogen production equipment also includes: An oxygen pressure relief channel (62) is provided, with its first end connected to the electrolyte tank (11) and its second end connected to the outside of the hydrogen production equipment. An oxygen pressure relief valve (622) is provided at the first end of the oxygen pressure relief channel (62) and away from it. The oxygen pressure relief valve (622) is used to open or close the oxygen pressure relief channel (62). The second pressure detection element (621) is located on the oxygen pressure relief channel (62) and is disposed near the first end of the oxygen pressure relief channel (62). The second pressure detection element (621) is used to detect the pressure of the gas in the oxygen pressure relief channel (62). The controller is electrically connected to both the oxygen pressure relief valve (622) and the second pressure detection element (621). The controller controls the oxygen pressure relief valve (622) according to the pressure detected by the second pressure detection element (621) so that the oxygen pressure relief valve (622) opens or closes the oxygen pressure relief channel (62).

15. The hydrogen production equipment according to any one of claims 1 to 9, characterized in that, The hydrogen production equipment also includes a main body (70) and an electrical module (80). The main body (70) is provided with a hydrogen production chamber (701) and an electrical chamber (702) that are isolated from each other. The liquid supply module (10), the hydrogen production module (20), the hydrogen processing module (30) and the purification module (40) are all installed in the hydrogen production chamber (701), and the electrical module (80) is installed in the electrical chamber (702). The main body (70) is provided with a first heat dissipation channel (71) and a second heat dissipation channel (72) that are isolated from each other. The first heat dissipation channel (71) passes through the hydrogen production chamber (701), and the second heat dissipation channel (72) passes through the electrical chamber (702).

16. The hydrogen production equipment according to claim 15, characterized in that, The liquid supply module (10), the hydrogen production module (20), the hydrogen processing module (30), and the purification module (40) are arranged in the hydrogen production chamber (701) along a first direction; The first heat dissipation channel (71) includes a first air inlet (711) and a first air outlet (712). Along the first direction, the first air inlet (711) is opened on the side wall of the hydrogen production chamber (701) near the side of the liquid supply module (10), and the first air outlet (712) is opened on the side wall of the hydrogen production chamber (701) near the side of the purification module (40).

17. The hydrogen production equipment according to claim 15, characterized in that, The main body (70) is also provided with a heat dissipation cavity (703) that is isolated from the hydrogen production cavity (701) and the electrical cavity (702). The heat dissipation cavity (703) is used to dissipate heat from the liquid supply module (10). The main body (70) is also provided with a third heat dissipation channel (73), which is isolated from the first heat dissipation channel (71) and the second heat dissipation channel (72), and the third heat dissipation channel (73) penetrates the heat dissipation cavity (703).

18. The hydrogen production equipment according to claim 17, characterized in that, A radiator (91) is provided inside the heat dissipation cavity (703). The electrolyte channel (12) is partially inserted into the heat dissipation cavity (703) and in contact with the radiator (91). The radiator (91) is disposed on the third heat dissipation channel (73).

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