A high purity hydrogen generator device

Abstract

The application discloses a high-purity hydrogen generator device which can meet the demand of high-purity hydrogen for gas chromatographs and other equipment. The device comprises an integrated box, an electrolysis box, a water tank and a multi-stage gas purification assembly. The box provides a closed installation space, and the core components cooperatively realize hydrogen preparation and purification. The electrolysis box converts water into hydrogen and oxygen through electrolysis reaction, and the hydrogen and oxygen are respectively guided out through a hydrogen outlet part and an oxygen outlet part. The water tank and the electrolysis box constitute a water circulation and oxygen guiding-out system, which can stably supply water. The multi-stage gas purification assembly is the core of the purification degree. The primary water removal monitoring element removes water vapor in the hydrogen and monitors the humidity, and feeds back a reminder for maintenance when the humidity exceeds the standard. The secondary deep impurity removal element removes trace impurities such as oxygen and hydrocarbons. After electrolysis, primary water removal and deep impurity removal, the high-purity hydrogen can be directly connected to a gas chromatograph for use. The device effectively solves the problem of insufficient hydrogen purity of existing equipment, avoids detection signal fluctuation, and provides a reliable high-purity hydrogen supply scheme.

Description

Technical Field

[0001] This application belongs to the technical field of hydrogen production equipment, and more specifically, relates to a high-purity hydrogen generator device. Background Technology

[0002] Hydrogen generators, commonly used in gas chromatographs for producing hydrogen, a combustion gas, have seen widespread application in the detection field in recent years. However, conventional hydrogen generators on the market generally suffer from design flaws, resulting in low purity hydrogen produced.

[0003] Chinese utility model patent CN216998597U provides a solution to this problem by disclosing a hydrogen generator for gas chromatographs. The hydrogen generator disclosed in this patent includes a housing containing an electrolysis tank, a storage tank, a drying tube, a gas compressor, and a gas storage tank. Hydrogen generated in the electrolysis tank is dried via pipeline in the drying tube and then compressed by the gas compressor before being stored in the gas storage tank, thereby improving the purity of the hydrogen.

[0004] While this application addresses some of the problems in the background technology, it has the following issues: the purity of the hydrogen produced by the device still does not meet the requirements of some high-precision detection scenarios. Therefore, when the hydrogen generator is connected to a gas chromatograph, the detection signal value fluctuates significantly, affecting the continuity and reliability of the detection work.

[0005] Therefore, it is necessary to optimize the current hydrogen generator device to achieve the goal of stable production of high-purity hydrogen and meet the actual needs of high-precision detection by gas chromatograph. Summary of the Invention

[0006] The purpose of this application is to provide a high-purity hydrogen generator device to solve the technical problems existing in the prior art.

[0007] To achieve the goal of providing reliable high-purity hydrogen for high-precision testing equipment, the technical solution adopted in this application is: to provide a high-purity hydrogen generator device, including: a housing with a receiving cavity; An electrolysis tank is disposed in the receiving cavity, the electrolysis tank having a hydrogen outlet and an oxygen outlet; A water tank is disposed in the receiving cavity. The water tank has a drainage section and an oxygen discharge section. The drainage section is used to allow water to flow into the electrolysis tank, and the oxygen flowing into the water tank from the oxygen outlet section leaves the water tank from the oxygen discharge section. A multi-stage gas purification assembly includes a primary water removal monitoring component and a secondary deep impurity removal component. The hydrogen outlet is sequentially connected to the primary water removal monitoring component and the secondary deep impurity removal component. The primary water removal monitoring component is used to monitor humidity while removing moisture, and the secondary deep impurity removal component is used to remove other impurity gases.

[0008] Optionally, the multi-stage air purification assembly includes a drying tube with an indicator adsorbent built into it, so that the drying tube serves as a monitoring device for the initial water removal.

[0009] Optionally, the indicator adsorbent is color-changing silica gel, and the drying tube is made of a transparent material.

[0010] Optionally, the multi-stage gas purification assembly further includes an activated carbon adsorbent and a gas trap, with the hydrogen leaving the drying tube passing sequentially through the activated carbon adsorbent and the gas trap.

[0011] Optionally, the sub-depth purification element is one of the activated carbon adsorbent, the gas trap, and the composite device formed by the activated carbon adsorbent and the gas trap.

[0012] Optionally, a primary balancing connector is provided between the hydrogen outlet and the multi-stage gas purification assembly. The primary balancing connector is a three-way connector. The first port of the primary balancing connector is connected to the hydrogen outlet, the second port of the primary balancing connector is connected to the multi-stage gas purification assembly, and the third port of the primary balancing connector is connected to the electrolysis tank.

[0013] Optionally, a gas container and a check valve are provided between the initial balancing connector and the multi-stage gas purification assembly, and hydrogen gas passes through the gas container and the check valve in sequence.

[0014] Optionally, the downstream of the multi-stage gas purification component is connected to an output connector, which is a four-way connector. The first port of the output connector is connected to the multi-stage gas purification component, the second port is connected to a pressure alarm and a pressure sensor, the third port is connected to a pressure display, and the fourth port is used to connect to external equipment. Optionally, the drying tube, the activated carbon adsorbent, and the gas trap are each provided with an isolation shut-off valve upstream and downstream. A purge inlet valve is also provided upstream, which is used to connect to an external inert gas for purging hydrogen. A purge outlet valve is also provided downstream, and the purge inlet valve and the purge outlet valve are located between the isolation shut-off valves.

[0015] Optionally, a maintenance window is provided on one side of the housing, one of which is used to expose one of the drying tube, the activated carbon adsorbent, and the gas trap; the isolation shut-off valve, the purge inlet valve, and the purge outlet valve are provided on the other side of the housing away from the maintenance window.

[0016] The beneficial effects of the high-purity hydrogen generator device provided in this application are as follows: Compared with traditional hydrogen generator devices, the core advantage of this device lies in the purification process. Through multi-stage purification components, oxygen, moisture, and other substances in the hydrogen are purified in a stratified manner, ensuring the purity of the final output hydrogen. This effectively avoids the problem of detection signal fluctuations caused by insufficient hydrogen purity, providing a stable and reliable high-purity hydrogen supply solution for high-precision detection equipment such as gas chromatographs. Experimental verification shows that when the multi-filtered purified hydrogen prepared by this device is used as the combustion gas in a gas chromatograph, the stability of the detection signal is improved. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the connection structure of a high-purity hydrogen generator device provided in an embodiment of this application; Figure 2 A schematic diagram of some components inside the housing provided in an embodiment of this application; Figure 3 This is a schematic diagram of the exterior of the enclosure and the maintenance window provided in an embodiment of this application; Figure 4 This is a schematic diagram of the exterior of the enclosure and the side opposite the maintenance window, provided in an embodiment of this application.

[0019] The following are the labeling elements in the figure: 1. Housing; 11. Reception Chamber; 12. Maintenance Window; 2. Electrolysis Tank; 21. Hydrogen Outlet; 3. Water Tank; 31. Peristaltic Pump; 4. Multi-stage Gas Purification Assembly; 41. Primary Water Removal Monitoring Component; 411. Drying Tube; 42. Secondary Depth Removal Component; 421. Activated Carbon Adsorption Component; 422. Gas Collection Trap; 43. Initial Balancing Connector; 44. Output Connector; 441. Pressure Alarm; 442. Pressure Sensor; 443. Pressure Display; 444. External Equipment; 5. Gas Capacitor; 6. Check Valve; 7. Isolation Shut-off Valve; 8. Purge Inlet Valve; 9. Purge Outlet Valve. Detailed Implementation

[0020] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0021] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0022] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0024] The present application will now describe a high-purity hydrogen generator device provided in the embodiments of this application.

[0025] See Figure 1 as well as Figure 2 The high-purity hydrogen generator device includes a housing 1, an electrolysis tank 2, a water tank 3, and a multi-stage gas purification component 4. All components are integrated into the housing cavity 11 of the housing 1, forming an integrated hydrogen production and purification system.

[0026] The housing 1 contains a closed cavity 11, which provides installation and protection space for other functional components of the device.

[0027] The main function of the electrolysis tank 2 is to convert the input liquid raw materials into hydrogen and oxygen through electrolysis. The electrolysis tank 2 is equipped with a hydrogen outlet 21 and an oxygen outlet. The hydrogen outlet 21 serves as the initial output end of hydrogen and is used to export the hydrogen generated by the electrolysis reaction. At the same time, the oxygen generated during the electrolysis reaction is discharged through the oxygen outlet.

[0028] Water tank 3 is installed inside the receiving cavity 11, forming a coordinated water circulation and oxygen extraction system with electrolysis tank 2. Water tank 3 is connected to peristaltic pump 31, which supplies water to the tank from the outside. Water tank 3 is equipped with a drain section and an oxygen discharge section. The drain section is connected to the inlet of electrolysis tank 2 via a pipe, ensuring a continuous and stable supply of electrolysis water to electrolysis tank 2. Oxygen generated by electrolysis tank 2 is discharged from its oxygen outlet, flows into the water tank 3 through a pipe inserted below the liquid level, and then is discharged from the tank 3. The reason for adopting this oxygen venting method is mainly based on the following considerations: First, the water seal in water tank 3 prevents external air from flowing back into electrolysis tank 2, avoiding contamination of the electrolyte; second, this structure can dynamically balance the pressure on both sides of the electrolytic cell membrane in electrolysis tank 2, protecting the fragile proton exchange membrane from damage due to excessive pressure difference; third, from the perspective of system simplification, if this design is not adopted, a separate precision backflow check valve and pressure regulating valve would be required for the oxygen outlet, which would not only be more costly but also increase the risk of system failure. In addition, water tank 3 also acts as a pressure buffer, helping to balance pressure fluctuations between electrolysis tank 2 and subsequent components.

[0029] The multi-stage gas purification assembly 4 is the core component of this device for improving hydrogen purity. The multi-stage gas purification assembly 4 includes a primary water removal monitoring component 41 and a secondary deep impurity removal component 42. The hydrogen outlet 21 of the electrolysis tank 2 is connected to the primary water removal monitoring component 41 and the secondary deep impurity removal component 42 in sequence through a sealed pipeline.

[0030] The pre-dehydration monitoring unit 41 monitors the humidity of hydrogen while removing moisture from it. Since the hydrogen produced by the electrolysis reaction carries a large amount of water vapor, directly introducing this water vapor into the subsequent detection system would severely affect detection accuracy; therefore, the pre-dehydration stage is crucial. When the monitored humidity data exceeds a certain value, the pre-dehydration monitoring unit 41 will provide feedback to remind operators to replace the purification consumables or maintain the unit itself, preventing dehydration failure due to adsorption material saturation.

[0031] The secondary-depth impurity removal unit 42 is positioned after the primary water removal monitoring unit 41 and is used to remove impurity gases other than water from the hydrogen, such as oxygen and hydrocarbon impurities. Although these trace impurity gases are present in extremely low concentrations, they can still interfere with the detection signal and cause fluctuations in the detection results under high-precision detection conditions. The secondary-depth impurity removal unit 42 can remove impurities in a targeted manner according to the characteristics of different impurity gases.

[0032] The working process of this high-purity hydrogen generator is as follows: First, the water tank 3 supplies sufficient water to the electrolysis tank 2 through the drainage section. After the electrolysis tank 2 is powered on, the electrolysis reaction is started to generate hydrogen and oxygen. The hydrogen is discharged from the hydrogen outlet 21, and the oxygen is discharged from the oxygen outlet and flows into the water tank 3, and finally discharged from the oxygen outlet. The hydrogen discharged from the electrolysis tank 2 first enters the primary water removal monitoring device 41, under the action of the primary water removal monitoring device 41, most of the water vapor is removed. The hydrogen after primary water removal then enters the secondary deep impurity removal device 42 to remove the remaining various impurity gases. Finally, the high-purity hydrogen after multi-stage purification can be discharged through the outlet pipeline and directly connected to the gas chromatograph for use.

[0033] Through the above structural design, this high-purity hydrogen generator can effectively solve the problem of insufficient hydrogen purity in existing devices, meet the high-precision detection requirements of gas chromatographs, avoid the problem of detection signal fluctuation caused by hydrogen purity, and provide a reliable high-purity hydrogen supply solution for high-precision detection equipment such as gas chromatographs.

[0034] More specifically, the multi-stage air purification component 4 includes a drying tube 411, which is filled with an indicator adsorbent, so that the drying tube 411 serves as a pre-drying monitoring component 41, realizing integrated visualization monitoring of water removal and humidity status.

[0035] The indicator adsorbent also possesses highly efficient water absorption capabilities. When the wet hydrogen gas exiting from the electrolysis tank 2 enters the drying tube 411, the water vapor in the hydrogen gas is captured and adsorbed by the indicator adsorbent, completing the initial dehydration treatment of the hydrogen gas. Furthermore, the indicator adsorbent exhibits a color-changing physical state. Compared to ordinary adsorbents, the characteristic of the indicator adsorbent is that its adsorption capacity corresponds to its own color. When no moisture is adsorbed or the adsorption amount is small, the indicator adsorbent displays a specific initial color; as the adsorption process continues and the indicator adsorbent gradually reaches saturation, the color of the indicator adsorbent undergoes a significant and easily observable change. Operators can quickly determine whether the water removal capacity of the indicator adsorbent is effective simply by observing the color of the adsorbent in the drying tube 411.

[0036] The drying tube 411 serves as the initial water removal monitoring component 41, and the indicator adsorbent filled inside the drying tube 411 is color-changing silica gel. Color-changing silica gel is an adsorbent material that combines high water absorption with color indication. When it has not absorbed water, the silica gel is blue and possesses strong hydrophilicity, enabling it to quickly capture water vapor molecules carried in hydrogen gas. As the adsorption process continues, the silica gel gradually absorbs water, and when adsorption reaches saturation, its color changes to pink.

[0037] Meanwhile, the drying tube 411 is made of transparent material, allowing operators to clearly observe the overall color of the discoloring silica gel inside. Without disassembling the drying tube 411 or using other testing tools, the dewatering status can be checked at any time during normal operation of the device. During routine inspections, if the silica gel is entirely blue or partially light blue, the dewatering function is normal; if a large area of ​​the silica gel turns pink, or even completely pink, it indicates that the adsorbent has reached saturation and needs to be replaced promptly to avoid dewatering failure.

[0038] The multi-stage air purification component also includes an activated carbon adsorbent 421 and a gas trap 422. After leaving the dryer, hydrogen enters the activated carbon adsorbent 421 and the gas trap 422 in sequence to achieve deep removal of various residual impurities.

[0039] The activated carbon in the activated carbon adsorbent 421 has a well-developed pore structure and an ultra-large specific surface area, which can efficiently capture and retain trace amounts of volatile organic impurities and odor substances in hydrogen through physical adsorption.

[0040] The gas trap 422 is located downstream of the activated carbon adsorbent 421. The gas trap 422 targets the trace impurities that may remain in the hydrogen after it has been dehydrated by the drying tube 411 and adsorbed by the activated carbon adsorbent 421, such as hydrocarbons. Therefore, the hydrogen output through the gas trap 422 is purer.

[0041] The aforementioned multi-stage gas purification component 4 includes a secondary-depth impurity removal element 42. The degree of purification of the secondary-depth impurity removal element 42 can be determined according to the needs of the hydrogen generator device. The aforementioned multi-stage gas purification component also includes an activated carbon adsorbent 421 and a gas trap 422. Therefore, depending on the required degree of purification, the secondary-depth impurity removal element 42 can be the activated carbon adsorbent 421, the gas trap 422, or even a composite device formed by the activated carbon adsorbent 421 and the gas trap 422.

[0042] The main focus of this application is the purity of the generated hydrogen. Therefore, the composite device formed by the activated carbon adsorbent 421 and the gas trap 422 is used as the secondary-depth purification component 42. This combined purification process can avoid the problem of reduced adsorption efficiency caused by the complex adsorption components of a single purification material, and ensure that the purification effect of the entire secondary-depth purification component 42 is stable and reliable, so as to supply high-precision detection equipment such as gas chromatographs.

[0043] A primary balancing connector 43 is provided between the hydrogen outlet 21 and the multi-stage gas purification assembly 4. The primary balancing connector 43 is a three-way connector. The main function of the primary balancing connector 43 is to balance and buffer the pressure, and resolve the conflict between the continuous and stable gas production characteristics of the electrolyzer and the intermittent or fluctuating gas demand of downstream gas-using equipment (such as gas chromatographs).

[0044] The first port of the initial balancing connector 43 serves as the inlet of the high-pressure gas source. It is fixedly connected to the hydrogen outlet 21 of the electrolyzer 2 through a sealed pipeline, directly introducing the high-pressure hydrogen generated by the electrolyzer into the balancing node to provide power for the entire regulation loop. The second port of the initial balancing connector 43 is sealed to the input end of the multi-stage gas purification component 4. Under normal gas usage conditions, due to the lower downstream gas pressure, most of the hydrogen will naturally flow through this port to the purification unit and ultimately supply the instrument. The third port of the initial balancing connector 43 is directly connected to the upper gas phase space of the electrolyzer 2 through a return pipeline, forming a pressure buffer loop.

[0045] This purely physical regulation mechanism provides a stable hydrogen source for downstream purification and gas-using equipment, avoiding incomplete impurity removal caused by airflow fluctuations and improving the reliability of test data. Moreover, the hydrogen reflux protects the core components of the electrolyzer, preventing diaphragm damage and significantly extending the equipment's service life.

[0046] To further enhance the stability of hydrogen pressure and the safety of system operation, a gas container 5 and a check valve 6 are installed between the second port of the initial balance connector 43 and the input end of the multi-stage gas purification component 4. After the hydrogen flows out from the initial balance connector 43, it needs to pass through the gas container 5 for pressure buffering, and then enter the subsequent gas purification stage through the regulation of the check valve 6.

[0047] Although the initial balancing connector 43 effectively mitigates pressure fluctuations in the gas produced by the electrolyzer 2, brief, minor fluctuations in hydrogen pressure may still occur when downstream gas-using equipment suddenly starts up or the load increases sharply. The gas container 5 has a certain internal cavity volume. When hydrogen flows in, if the pressure is slightly high, the gas container 5 can temporarily store some hydrogen; when the pressure decreases, the hydrogen stored in the gas container 5 can be quickly released to replenish the gas flow, thereby controlling the fluctuation range of hydrogen pressure within a smaller range and providing a constant inlet pressure environment for the subsequent gas purification components. The buffering effect of the gas container 5 prevents pressure fluctuations from impacting the multi-stage gas purification components 4, ensuring the stability of impurity removal efficiency.

[0048] The main function of the check valve 6 is to ensure unidirectional hydrogen flow and provide emergency flow interruption protection. The check valve 6 operates unidirectionally, allowing hydrogen to flow only from the gas container 5 to the multi-stage gas purification assembly 4. This effectively prevents any residual impurities that may be present in the downstream multi-stage gas purification assembly 4 from flowing back into the gas container 5 and the initial balance connector 43, thus preventing contamination of the internal environment of the electrolyzer 2. Simultaneously, it ensures the stability of the gas pressure at the multi-stage gas purification assembly 4, thereby ensuring a stable downstream flow of hydrogen.

[0049] The output hydrogen not only needs to meet purity requirements, but for safety reasons, the output pressure must also be able to be monitored and alerted in real time. Therefore, an output connector 44 is installed downstream of the multi-stage gas purification component 4. The output connector 44 is a four-way connector. The main function of the output connector 44 is to integrate the final hydrogen output, status monitoring, and human-machine interaction functions into a single node, ensuring that the hydrogen supplied to the external equipment 444 is always in a real-time controlled, visible, safe, and reliable state.

[0050] The first port of the output connector 44 is fixedly connected to the output end of the multi-stage gas purification assembly 4 through a sealed pipeline, receiving high-purity hydrogen after pre-treatment such as drying and filtration; the second port is simultaneously connected to the pressure alarm 441 and the pressure sensor 442 for safety monitoring; the third port is connected to the pressure display 443, providing a direct human-machine interface for operators to intuitively grasp the equipment status; the fourth port is connected to external equipment 444 such as a gas chromatograph to complete the safe delivery of high-purity hydrogen.

[0051] In the pressure sensor 442 and pressure alarm 441 at the second port, the pressure sensor 442 is responsible for converting the hydrogen pressure signal into an electrical signal in real time and continuously and feeding it to the control system, providing basic data support for automatic pressure regulation and digital monitoring. The pressure alarm 441, connected in parallel with the pressure sensor 442, serves as an independent safety alarm device. Once an abnormal hydrogen pressure is detected, it immediately activates the alarm, providing operators with an immediate danger warning.

[0052] The pressure display 443 connected to the third port synchronizes data with the pressure sensor 442, and displays the hydrogen output pressure intuitively in the form of pointer deflection or digital jump, so that operators can quickly and directly confirm the current output pressure status during daily inspections or equipment debugging.

[0053] The fourth port, as a functional terminal of the hydrogen generator, can be equipped with a suitable connection component according to the interface specifications of different external devices 444 such as gas chromatographs, to ensure tight connection with external devices 444.

[0054] The multi-stage gas purification component 4 has been optimized for ease of maintenance and system cleanliness protection. By setting dedicated valves upstream and downstream of key purification components and constructing independent purging circuits, the purification components are safely isolated and efficiently purged, extending the service life of the components while ensuring stable hydrogen purity.

[0055] In this embodiment, the upstream and downstream pipelines of the drying pipe 411, activated carbon adsorbent 421 and gas trap 422 included in the multi-stage air purification component 4 are each equipped with isolation shut-off valves 7. At the same time, a scavenging inlet valve and a purging outlet valve 9 are also provided between the upstream isolation shut-off valve 7 and the downstream isolation shut-off valve 7 of each component.

[0056] The isolation shut-off valve 7 is a fundamental component for the safe maintenance of purification components. When maintenance operations such as replacement of consumables and performance testing are required for the drying tube 411, activated carbon adsorbent 421, or gas trap 422, the operator can close the upstream and downstream isolation shut-off valves 7 corresponding to this component, disconnecting the component to be replaced from the entire hydrogen delivery main line. This effectively prevents hydrogen leakage in the main line and avoids external air or impurities from entering the hydrogen delivery main line during maintenance, ensuring that the rest of the system remains in a closed and clean state.

[0057] The purge inlet valve 8 and the purge outlet valve 9 form a purge circuit for a single purification component. The purge inlet valve 8 is used to connect to an external inert gas (such as nitrogen) supply source. The inert gas removes the residual hydrogen and impurities inside the purification component. The excess inert gas after removing impurities is discharged through the purge outlet valve 9.

[0058] In summary, when a purification component malfunctions or requires maintenance, the operator can operate the corresponding valve individually, while the other two purification components can still participate in the hydrogen purification process normally without shutdown for maintenance, greatly improving the continuity of the unit's operation.

[0059] See Figure 3 In order to facilitate the maintenance and treatment of the drying tube 411, activated carbon adsorption element 421 and gas trap 422, the functional areas of the box 1 are divided.

[0060] Specifically, a maintenance window 12 is provided on one side of the housing 1. Each maintenance window 12 is used to expose only one of the following: the drying tube 411, the activated carbon adsorbent 421, and the gas trap 422. Operators can directly access the connection structure of the components through the maintenance window 12, which meets the needs of replacement, maintenance, and other operations, while minimizing the communication area between the inside of the housing 1 and the external environment, thus reducing the risk of dust and impurities entering the inside of the housing 1.

[0061] On the other side of the housing 1 opposite to the side where the maintenance window 12 is located, the isolation shut-off valve 7, the purge inlet valve 8, and the purge outlet valve 9 are installed. The arrangement sequence of all valves corresponds one-to-one with the position of the corresponding purification component. For example, the upstream isolation shut-off valve 7, downstream isolation shut-off valve 7, purge inlet valve 8, and purge outlet valve 9 corresponding to the drying pipe 411 are arranged in the same area, which facilitates quick identification and associated operation by the operator.

[0062] From the perspective of the operation process, when a certain purification component needs maintenance, the operator can first close all the valves corresponding to the purification component on the valve control side of the housing 1 to complete the safety isolation and purging preparation; then move to the maintenance operation side of the housing 1, open the maintenance window 12 of the corresponding component, and carry out the replacement and repair work. The whole process does not require frequent movement inside and outside the housing 1, which improves the operation efficiency.

[0063] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A high-purity hydrogen generator device, characterized in that, include: The box (1) is provided with a receiving cavity (11); An electrolysis tank (2) is disposed in the receiving cavity (11), and the electrolysis tank (2) has a hydrogen outlet (21) and an oxygen outlet; A water tank (3) is provided in the receiving cavity (11). The water tank (3) has a drainage section and an oxygen discharge section. The drainage section is used to allow water to flow into the electrolysis tank (2). Oxygen flowing into the water tank (3) from the oxygen outlet section leaves the water tank (3) from the oxygen discharge section. The multi-stage air purification component (4) includes a primary water removal monitoring component (41) and a secondary deep impurity removal component (42). The hydrogen outlet (21) is sequentially connected to the primary water removal monitoring component (41) and the secondary deep impurity removal component (42). The primary water removal monitoring component (41) is used to monitor humidity while removing moisture, and the secondary deep impurity removal component (42) is used to remove other impurity gases.

2. The high-purity hydrogen generator device as described in claim 1, characterized in that: The multi-stage air purification assembly (4) includes a drying tube (411) with an indicator adsorbent inside, so that the drying tube (411) serves as the initial water removal monitoring device (41).

3. The high-purity hydrogen generator device as described in claim 2, characterized in that: The indicator adsorbent is color-changing silica gel, and the drying tube (411) is made of transparent material.

4. The high-purity hydrogen generator device as described in claim 2, characterized in that: The multi-stage gas purification component (4) also includes an activated carbon adsorbent (421) and a gas trap (422). Hydrogen gas leaving the drying tube (411) passes sequentially through the activated carbon adsorbent (421) and the gas trap (422).

5. The high-purity hydrogen generator device as described in claim 4, characterized in that: The sub-depth cleaning element (42) is one of the activated carbon adsorbent (421), the gas trap (422), and the composite device formed by the activated carbon adsorbent (421) and the gas trap (422).

6. The high-purity hydrogen generator device as described in claim 1, characterized in that: A primary balancing connector (43) is provided between the hydrogen outlet (21) and the multi-stage gas purification assembly (4). The primary balancing connector (43) is a three-way connector. The first port of the primary balancing connector (43) is connected to the hydrogen outlet (21), the second port of the primary balancing connector (43) is connected to the multi-stage gas purification assembly (4), and the third port of the primary balancing connector (43) is connected to the electrolysis tank (2).

7. The high-purity hydrogen generator device as described in claim 6, characterized in that: A gas container (5) and a check valve (6) are provided between the initial balance connector (43) and the multi-stage gas purification component (4), and hydrogen gas passes through the gas container (5) and the check valve (6) in sequence.

8. The high-purity hydrogen generator device as described in claim 1, characterized in that: The downstream of the multi-stage air purification component is connected to an output connector (44), which is a four-way connector. The first port of the output connector (44) is connected to the multi-stage air purification component, the second port of the output connector (44) is connected to a pressure alarm (441) and a pressure sensor (442), the third port of the output connector (44) is connected to a pressure display (443), and the fourth port of the output connector (44) is used to connect to an external device (444).

9. The high-purity hydrogen generator device as described in claim 4, characterized in that: Each of the drying tube (411), the activated carbon adsorbent (421), and the gas trap (422) is provided with an isolation shut-off valve (7) upstream and downstream. A purge inlet valve (8) is also provided upstream, which is used to connect to an external inert gas that discharges hydrogen. A purge outlet valve (9) is also provided downstream, and the purge inlet valve (8) and the purge outlet valve (9) are located between the isolation shut-off valve (7).

10. The high-purity hydrogen generator device as described in claim 9, characterized in that: A maintenance window (12) is provided on one side of the housing (1), and one of the maintenance windows (12) is used to expose one of the drying tube (411), the activated carbon adsorbent (421) and the gas trap (422); the other side of the housing (1) away from the maintenance window (12) is provided for the isolation shut-off valve (7), the purge inlet valve (8) and the purge outlet valve (9).

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