Hydrogen-rich water generation method and device based on sustainable hydrogen preparation device
Through multi-stage filtration, renewable power-driven water electrolysis and micron bubble circulation mixing technology, the problems of electrode pollution and corrosion in electrolysis are solved, the quality and stability of hydrogen-rich water are improved, and the cost is reduced.
Patent Information
- Application Number
- CN202510498841.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2025-06-06
AI Technical Summary
When the existing electrolysis method generates hydrogen-rich water, the electrodes are susceptible to contamination and corrosion, resulting in a decrease in the quality and stability of the generation and increasing the cost of use.
The water source is pretreated to remove impurities by using a water electrolytic cell driven by a renewable power supply to produce hydrogen to avoid contact between the electrode and the impurities; during the mixing process of hydrogen and water, micron bubbles and pressure cycle mixing technology are used to improve the dissolution efficiency of hydrogen, and the utilization rate of hydrogen is increased through gas separation and remix.
It improves the quality and stability of hydrogen-rich water, reduces the cost of use, and extends the shelf life of hydrogen-rich water.
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Figure CN120097582A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of computer technology, and in particular to a method and a device for generating hydrogen-rich water based on a sustainable hydrogen production device. Background Art
[0002] At present, the common method for producing hydrogen-rich water on the market is mainly electrolysis. Its principle is to apply direct current to water to cause water molecules to undergo electrolysis reaction at the electrode. At the anode, water molecules lose electrons to produce oxygen and hydrogen ions; at the cathode, hydrogen ions gain electrons to generate hydrogen. The generated hydrogen dissolves in water to obtain hydrogen-rich water. The electrolysis method can meet people's demand for hydrogen-rich water to a certain extent. However, the electrodes of the electrolysis method are susceptible to contamination and corrosion. During the electrolysis process, impurities and ions in the water will adhere to the surface of the electrode, resulting in reduced activity of the electrode and decreased electrolysis efficiency. As the use time increases, the contamination and corrosion of the electrode will become more serious, which not only requires frequent replacement of the electrode, increasing the cost of use, but also affects the quality and stability of hydrogen-rich water. Summary of the invention
[0003] The present invention provides a method and a device for generating hydrogen-rich water based on a sustainable hydrogen production device, so as to improve the generation quality and stability of hydrogen-rich water and reduce the use cost.
[0004] In a first aspect, the present invention provides a method for generating hydrogen-rich water based on a sustainable hydrogen production device, comprising:
[0005] The water source is initially filtered based on a multi-stage filtration system to remove large particle impurities, suspended matter and some microorganisms in the water to obtain filtered water source;
[0006] A water electrolyzer based on a renewable power source driving a sustainable hydrogen production device produces hydrogen from the filtered water source;
[0007] The filtered water source is introduced into the mixing chamber, and the produced hydrogen is introduced into the bottom of the mixing chamber in the form of micron bubbles based on the micron bubble generator, and a preset range of pressure is applied to the mixing chamber, and a circulation pump is started to circulate the filtered water source and hydrogen in the mixing chamber to promote the dissolution of hydrogen and obtain hydrogen-rich water after preliminary mixing;
[0008] After cyclic mixing, the gas in the mixing chamber and the preliminarily mixed hydrogen-rich water are introduced into a gas separation device to separate undissolved hydrogen, and the separated hydrogen and the preliminarily mixed hydrogen-rich water are introduced into the mixing chamber again for secondary mixing to obtain secondary mixed hydrogen-rich water;
[0009] The secondary mixed hydrogen-rich water is transported to a storage container, and a preset amount of stabilizer is added to the storage container to obtain final hydrogen-rich water.
[0010] In a second aspect, the present invention also provides a hydrogen-rich water generation device based on a sustainable hydrogen production device, which is applied to the hydrogen-rich water generation method based on a sustainable hydrogen production device as described in the first aspect; the hydrogen-rich water generation device based on a sustainable hydrogen production device comprises:
[0011] The filtration unit is used to perform preliminary filtration on the water source based on a multi-stage filtration system to remove large particle impurities, suspended matter and some microorganisms in the water to obtain filtered water source;
[0012] A hydrogen production unit, used to produce hydrogen from the filtered water source by driving a water electrolyzer of a sustainable hydrogen production device based on a renewable power source;
[0013] A preliminary mixing unit is used to introduce the filtered water source into a mixing chamber, pass the produced hydrogen into the bottom of the mixing chamber in the form of micron bubbles based on a micron bubble generator, apply a preset range of pressure to the mixing chamber, start a circulation pump, so that the filtered water source and hydrogen circulate in the mixing chamber, promote the dissolution of hydrogen, and obtain hydrogen-rich water after preliminary mixing;
[0014] A secondary mixing unit is used to introduce the gas in the mixing chamber and the preliminarily mixed hydrogen-rich water into a gas separation device after cyclic mixing to separate undissolved hydrogen, and introduce the separated hydrogen and the preliminarily mixed hydrogen-rich water into the mixing chamber again for secondary mixing to obtain the secondary mixed hydrogen-rich water;
[0015] The hydrogen-rich water storage unit is used to transport the secondary mixed hydrogen-rich water to a storage container, and add a preset amount of stabilizer into the storage container to obtain final hydrogen-rich water.
[0016] In a third aspect, the present invention further provides an electronic device, comprising: a memory for storing a computer software program; a processor for reading and executing the computer software program, thereby implementing any of the above-mentioned methods for generating hydrogen-rich water based on a sustainable hydrogen production device.
[0017] In a fourth aspect, the present invention further provides a non-transitory computer-readable storage medium, wherein a computer software program is stored in the storage medium. When the computer software program is executed by a processor, the method for generating hydrogen-rich water based on a sustainable hydrogen production device as described above is implemented.
[0018] In a fifth aspect, the present invention further provides a computer program product, including a computer program, which, when executed by a processor, implements any of the above-mentioned methods for generating hydrogen-rich water based on a sustainable hydrogen production device.
[0019] The method for generating hydrogen-rich water based on a sustainable hydrogen production device provided by an embodiment of the present invention pre-treats the water source through a multi-stage filtration system, removes most of the impurities in the water, and reduces pollution to the equipment. The water electrolyzer driven by a renewable power source is used to produce hydrogen, which avoids the problem of direct contact between the electrode and impurities in the water, and fundamentally solves the problem of electrode pollution and corrosion. In the mixing process of hydrogen and water, the method of mixing by micron bubbles and pressure circulation is adopted to improve the dissolution efficiency of hydrogen and reduce the waste of hydrogen. Gas separation and remixing improve the utilization rate of hydrogen and reduce production costs. Finally, the addition of a stabilizer ensures the stability of hydrogen-rich water and extends the shelf life of hydrogen-rich water. Therefore, the embodiment of the present invention improves the generation quality and stability of hydrogen-rich water, and reduces the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic flow chart of a method for generating hydrogen-rich water based on a sustainable hydrogen production device provided in an embodiment of the present invention;
[0021] Figure 2 It is a structural schematic diagram of a hydrogen-rich water generating device based on a sustainable hydrogen production device provided in an embodiment of the present invention;
[0022] Figure 3 An embodiment diagram of an electronic device provided by an embodiment of the present invention;
[0023] Figure 4 An embodiment diagram of a computer-readable storage medium provided for an embodiment of the present invention. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.
[0025] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0026] In the description of the present invention, the term "for example" is used to mean "used as an example, illustration or explanation". Any embodiment described as "for example" in the present invention is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is given to enable any technician in the field to implement and use the present invention. In the following description, details are listed for the purpose of explanation. It should be understood that a person of ordinary skill in the art can recognize that the present invention can be implemented without using these specific details. In other examples, well-known structures and processes will not be elaborated in detail to avoid obscuring the description of the present invention with unnecessary details. Therefore, the present invention is not intended to be limited to the embodiments shown, but is consistent with the widest scope consistent with the principles and features disclosed in the present invention.
[0027] Optional, see Figure 1 , Figure 1 : is a flow chart of a method for generating hydrogen-rich water based on a sustainable hydrogen production device provided by the present invention. In the embodiment of the present invention, the execution subject of the method for generating hydrogen-rich water based on a sustainable hydrogen production device is the hydrogen-rich water generation device. Therefore, the method for generating hydrogen-rich water based on a sustainable hydrogen production device includes:
[0028] Step 10, preliminarily filtering the water source based on a multi-stage filtration system to remove large particle impurities, suspended matter and some microorganisms in the water to obtain filtered water source.
[0029] Optionally, the multi-stage filtration system in the embodiment of the present invention includes a quartz sand filter, an activated carbon filter and a precision filter. Therefore, the water source is initially filtered through the quartz sand filter, the activated carbon filter and the precision filter to remove large particle impurities, suspended matter and some microorganisms in the water to obtain a filtered water source. Among them, the quartz sand filter mainly forms a filter layer by the accumulation of quartz sand particles, and removes impurities with larger particle sizes in the water, such as mud, rust, etc., by interception, precipitation and adsorption. When water flows through the quartz sand layer, large particle impurities are intercepted on the surface of the sand layer or in the internal pores. As the filtration proceeds, impurities gradually accumulate, and regular backwashing is required to restore its filtration performance.
[0030] Activated carbon filters rely on the rich pore structure and huge specific surface area of activated carbon to adsorb and remove organic matter, residual chlorine, pigments and some microorganisms in the water. Activated carbon has a strong adsorption capacity and can effectively improve the odor and color of water quality while reducing the content of organic pollutants in the water. After running for a period of time, the adsorption capacity of the activated carbon filter will gradually become saturated and new activated carbon needs to be replaced.
[0031] As the last line of defense, precision filters usually use filter elements with smaller pore sizes (such as PP melt-blown filter elements, pleated filter elements, etc.) to further remove residual tiny particles, colloid substances, and some bacteria and viruses in the water, ensuring that the cleanliness of the filtered water source meets the requirements for subsequent hydrogen production. The filter element of the precision filter also needs to be replaced regularly to ensure the filtering effect.
[0032] In one embodiment, taking a hydrogen-rich water production plant as an example, the quartz sand filter equipped with the hydrogen-rich water generation device is filled with refined quartz sand with a particle size of 0.5-1.2 mm, the filtration area is 2 m2, and the water flow rate is controlled at 5 m 3 / h. When the original water source enters the quartz sand filter, after about 24 minutes of filtration, large particles of sand, rust and other impurities in the water are basically removed. The activated carbon filter uses columnar activated carbon, the iodine adsorption value is ≥1000mg / g, the filling amount is 50kg, and the water flow rate is 3m 3 / h. After being treated with the activated carbon filter, the residual chlorine content in the water was reduced from the original 2mg / L to below 0.05mg / L, and the odor and color were also significantly improved. The precision filter uses a PP melt-blown filter element with a pore size of 0.2μm and a filtration flow rate of 2m 3 / h. After being processed by precision filters, the content of particulate impurities in the water is less than 1 mg / L, the number of microorganisms is greatly reduced, and a filtered water source that meets the requirements is obtained, which can be used for subsequent hydrogen production.
[0033] Step 20, a water electrolyzer that can produce hydrogen from the filtered water source is driven by a renewable power source. In the water electrolyzer, a proton exchange membrane is used to separate the anode and cathode. Under the action of direct current, water molecules are decomposed into hydrogen and hydroxide ions at the cathode.
[0034] Furthermore, in the water electrolyzer of the embodiment of the present invention, a proton exchange membrane is used to separate the anode and cathode, and the proton exchange membrane has good proton conductivity and gas barrier performance. Under the action of direct current, water molecules undergo a reduction reaction at the cathode and decompose into hydrogen and hydroxide ions, while an oxidation reaction occurs at the anode to produce oxygen. By controlling the current size and electrolysis time, the amount of hydrogen produced can be adjusted. The use of renewable power sources (such as solar energy, wind energy, etc.) not only reduces energy consumption costs.
[0035] Therefore, the embodiment of the present invention uses a renewable power source to drive a water electrolyzer of a sustainable hydrogen production device to produce hydrogen from filtered water.
[0036] In one embodiment, the effective electrolysis area of the water electrolyzer equipped with the hydrogen-rich water generating device is 0.5m 2, using proton exchange membrane Nafion117, operating under 24V DC, 5A current conditions. When the filtered water enters the water electrolyzer at a flow rate of 0.1L / min, it is calculated that about 0.06m3 of hydrogen can be produced per hour. 3 The device uses solar panels as a renewable power source. The rated power of the solar panels is 200W. Under sufficient sunlight, it can stably provide the required electricity for the water electrolyzer and realize the sustainable production of hydrogen.
[0037] Step 30, introducing the filtered water source into the mixing chamber, using the micron bubble generator to pass the produced hydrogen into the bottom of the mixing chamber in the form of micron bubbles, applying a preset pressure range to the mixing chamber, and starting the circulation pump to allow the filtered water source and hydrogen to circulate in the mixing chamber to promote the dissolution of hydrogen and obtain hydrogen-rich water after preliminary mixing.
[0038] Furthermore, the filtered water source is introduced into the mixing chamber, and the produced hydrogen is introduced into the bottom of the mixing chamber in the form of micron bubbles using a micron bubble generator. Micron bubbles have the characteristics of large specific surface area and slow rising speed, which can significantly improve the dissolution efficiency of hydrogen in water. At the same time, a preset range of pressure is applied to the mixing chamber, and the increase in pressure helps the dissolution of hydrogen in water. Start the circulation pump to circulate the filtered water source and hydrogen in the mixing chamber, and the stirring and shearing action of the water flow further promotes the dissolution of hydrogen, thereby obtaining hydrogen-rich water after preliminary mixing. The circulation can also make the distribution of hydrogen in the water more uniform, thereby improving the quality of hydrogen-rich water.
[0039] In one embodiment, the volume of the mixing chamber is 10L, the micron bubble generator can generate hydrogen micron bubbles with an average particle size of 5μm, and the gas flow rate is 0.05m 3 / h. After applying 0.3MPa pressure to the mixing chamber, start the circulation pump with a flow rate of 5L / min. After 30 minutes of circulation mixing, the concentration of hydrogen in the water reaches 0.8mg / L, and hydrogen-rich water is obtained after preliminary mixing. By adjusting the parameters of the micron bubble generator, the pressure size and the flow rate of the circulation pump, the dissolution effect of hydrogen can be optimized and the concentration of hydrogen-rich water can be increased.
[0040] Step 40, after cyclic mixing, the gas in the mixing chamber and the hydrogen-rich water after preliminary mixing are introduced into a gas separation device to separate the undissolved hydrogen, and the separated hydrogen and the hydrogen-rich water after preliminary mixing are introduced into the mixing chamber again for secondary mixing to obtain secondary mixed hydrogen-rich water.
[0041] Furthermore, after cyclic mixing, the gas in the mixing chamber and the hydrogen-rich water after preliminary mixing are introduced into a gas separation device, which usually separates the undissolved hydrogen by membrane separation or gravity separation. The separated hydrogen and the hydrogen-rich water after preliminary mixing are introduced into the mixing chamber again for secondary mixing, because the dissolution of hydrogen in water may not be sufficient after the first mixing. The solubility of hydrogen in water can be improved through secondary mixing, making the hydrogen concentration of hydrogen-rich water more stable and reaching a higher standard.
[0042] In one embodiment, the gas separation device adopts hollow fiber membrane separation technology, and the pore size of the membrane is 0.1 μm, which can effectively separate undissolved hydrogen. After the preliminary mixed hydrogen-rich water and gas are introduced into the gas separation device, after separation, undissolved hydrogen with a purity of about 95% and preliminary mixed hydrogen-rich water with a hydrogen concentration of 0.8 mg / L are obtained. The separated hydrogen and the preliminary mixed hydrogen-rich water are introduced into the mixing chamber again, and under the same pressure (0.3 MPa) and circulation pump flow (5 L / min) conditions, after 20 minutes of secondary mixing, the hydrogen concentration of the hydrogen-rich water is increased to 1.2 mg / L, and the secondary mixed hydrogen-rich water is obtained.
[0043] Step 50, transporting the secondary mixed hydrogen-rich water to a storage container, and adding a preset amount of stabilizer to the storage container to obtain final hydrogen-rich water.
[0044] Furthermore, the hydrogen-rich water after secondary mixing is transported to a storage container. In order to ensure the stability of the hydrogen-rich water and prevent the escape of hydrogen during storage, a preset amount of stabilizer needs to be added to the storage container. The function of the stabilizer is to interact with water molecules or hydrogen molecules to form a stable structure and inhibit the escape of hydrogen. At the same time, the storage container needs to have good sealing properties to reduce the impact of external factors on the hydrogen-rich water, and finally obtain the final hydrogen-rich water that meets the quality standards.
[0045] In one embodiment, the storage container used by the hydrogen-rich water production plant has a volume of 100L and is made of food-grade stainless steel with good sealing properties. After the secondary mixed hydrogen-rich water is transported to the storage container, food-grade sodium alginate is added as a stabilizer at a ratio of 0.1% (mass fraction). After adding the stabilizer, the storage container is sealed. After testing, after 24 hours of storage at room temperature and pressure, the hydrogen concentration of the hydrogen-rich water only decreased by 5%, and remained at 1.14 mg / L, to obtain the final hydrogen-rich water.
[0046] The embodiment of the present invention pre-treats the water source through a multi-stage filtration system, removes most of the impurities in the water, and reduces pollution to the equipment. The water electrolyzer driven by renewable power sources is used to produce hydrogen, which avoids the problem of direct contact between the electrode and impurities in the water, and fundamentally solves the problem of electrode pollution and corrosion. In the process of mixing hydrogen and water, micron bubbles and pressure circulation mixing are used to improve the dissolution efficiency of hydrogen and reduce the waste of hydrogen. Gas separation and remixing improve the utilization rate of hydrogen and reduce production costs. Finally, the addition of stabilizers ensures the stability of hydrogen-rich water and extends the shelf life of hydrogen-rich water. Therefore, the generation quality and stability of hydrogen-rich water are improved, and the cost of use is reduced.
[0047] In a specific embodiment, a method for generating hydrogen-rich water based on a sustainable hydrogen production device includes:
[0048] Step 201, introducing the filtered water source into a dynamic membrane filtration device, and performing secondary purification on the filtered water source by using an electric field assisted ceramic membrane group in the dynamic membrane filtration device to obtain secondary purified water source.
[0049] Optionally, the filtered water source obtained in step 10 is subjected to secondary purification using an electric field-assisted ceramic membrane group in a dynamic membrane filtration device. The electric field-assisted ceramic membrane group combines the electric field effect with the filtration performance of the ceramic membrane, wherein the ceramic membrane has the advantages of high temperature resistance, good chemical stability, and high mechanical strength, and can effectively intercept impurities such as tiny particles, colloids, and bacteria remaining in the water. The external electric field can direct the movement of charged particles through electrophoresis, accelerate the separation of impurities and water molecules, and improve the filtration efficiency and purification effect.
[0050] During the filtration process, water flows through the ceramic membrane under pressure, and impurities are intercepted on the membrane surface to form a dynamic filter cake layer. As the filtration proceeds, the filter cake layer gradually thickens, and regular backwashing or chemical cleaning is required to restore the membrane flux.
[0051] In one embodiment, the hydrogen-rich water generating device is equipped with a dynamic membrane filtration device, the effective filtration area of the electric field assisted ceramic membrane group is 1㎡, the pore size of the ceramic membrane is 0.1μm, and the applied electric field strength is 5V / cm. 3 When the flow rate of 10 / h enters the dynamic membrane filtration device, after 30 minutes of filtration, the number of bacteria in the water decreases from 10 3 The CFU / mL is reduced to below 10CFU / mL, and the removal rate of tiny particles and colloids reaches 99%, obtaining a clear and transparent secondary purified water source, providing better quality raw materials for subsequent hydrogen production.
[0052] Step 202, adding a preset proportion of a potassium hydroxide electrolyte solution with a mass concentration of 0.05% to the water source after secondary purification, using a magnetic stirrer to stir at a speed of 800 rpm for 15 minutes until the water conductivity of the water source after secondary purification is adjusted to 1500-2000 μS / cm, thereby obtaining a water source for hydrogen production.
[0053] Further, a potassium hydroxide electrolyte solution with a mass concentration of 0.05% is added to the water source after secondary purification. Potassium hydroxide ionizes potassium ions and hydroxide ions in water, which can significantly improve the conductivity of the water body and enhance the conductivity of the solution, thereby improving the efficiency of water electrolysis to produce hydrogen. A magnetic stirrer is used to stir at a speed of 800 rpm for 15 minutes, in order to fully mix the potassium hydroxide electrolyte solution with the water source after secondary purification to ensure the effect of adjusting the conductivity. By accurately controlling the amount of electrolyte solution added and the stirring conditions, the water conductivity is adjusted to 1500-2000 μS / cm, and a water source suitable for water electrolysis to produce hydrogen is obtained.
[0054] In one embodiment, the volume of the water source after secondary purification is 10L. According to the preset ratio, 500mL of potassium hydroxide electrolyte solution with a mass concentration of 0.05% needs to be added. The potassium hydroxide electrolyte solution is slowly poured into the water source after secondary purification, the magnetic stirrer is started, the stirring speed is set to 800 rpm, and after stirring for 15 minutes, the conductivity of the water body is measured using a conductivity meter. If the measured value is not within the range of 1500-2000μS / cm, the solution is appropriately supplemented or diluted according to the deviation until the conductivity reaches 1800μS / cm, and a water source for hydrogen production that meets the requirements is obtained.
[0055] Step 203, slowly raise the temperature inside the water electrolyzer to 60°C. After the preheating process lasts for 10 minutes, connect the renewable power source to drive the sustainable hydrogen production device, and use the intelligent controller to stably control the voltage of the DC power at 1.8-2.2 volts and the current density at 2000-2500A / m 2 .
[0056] Furthermore, the internal temperature of the water electrolyzer was slowly raised to 60°C, and the preheating process lasted for 10 minutes. This is because properly increasing the electrolysis temperature can reduce the resistance of the electrolyte, reduce energy consumption during the electrolysis process, and increase the rate of hydrogen generation. After the preheating is completed, the renewable power source is connected to drive the sustainable hydrogen production device, and the DC voltage is stably controlled at 1.8-2.2 volts through the intelligent controller, and the current density is maintained at 2000-2500A / m 2. Stable voltage and current density are key factors to ensure the stable progress of the water electrolysis reaction, hydrogen production and quality. The intelligent controller can monitor and adjust electrical parameters in real time to ensure that the electrolysis process operates under optimal conditions. In one embodiment, the water electrolyzer of the hydrogen-rich water generation device is equipped with a heating system and an intelligent control system. Start the heating system, and increase the internal temperature of the water electrolyzer from room temperature to 60°C at a heating rate of 2°C / minute, which takes 15 minutes (including 5 minutes of temperature stabilization time). After preheating is completed, a 5kW solar power generation system is connected as a renewable power source. The voltage of the DC power is adjusted to 2.0 volts through the intelligent controller, and the current density is maintained at 2200A / m 2 At this point, the water electrolyzer begins to operate stably, producing about 0.08m3 of hydrogen per hour. 3 .
[0057] Step 204, during the electrolysis process, the temperature of the proton exchange membrane is monitored in real time using an infrared thermal imager. If the temperature difference on the membrane surface is detected to be greater than 5° C., the cooling system is immediately started to cool the area locally.
[0058] Furthermore, during the electrolysis process, an infrared thermal imager is used to monitor the temperature of the proton exchange membrane in real time. During the electrolysis process, the proton exchange membrane will generate heat due to the passage of current. If the temperature distribution on the membrane surface is uneven and the temperature difference exceeds 5°C, it may cause the performance of the membrane to decline, shorten its life, and even affect the quality of hydrogen generation and electrolysis efficiency. Therefore, once it is detected that the temperature difference on the membrane surface exceeds the threshold, the cooling system is immediately started for local cooling, and the excess heat is taken away by the cooling medium (such as water or coolant), so that the temperature of the proton exchange membrane returns to the normal range, ensuring the stability of the electrolysis process.
[0059] In one embodiment, the infrared thermal imager installed in the hydrogen-rich water generation device can monitor the temperature distribution on the surface of the proton exchange membrane in real time with a resolution of 0.1°C. During the electrolysis process, when the infrared thermal imager detects that the temperature difference between the proton exchange membrane area and the average temperature reaches 6°C, the system automatically starts the cooling system and transports the coolant to the area with excessively high temperature through a pipeline to locally cool the proton exchange membrane. After 5 minutes of cooling treatment, the temperature difference on the surface of the proton exchange membrane is reduced to 3°C, returning to normal working state, ensuring the stability and efficiency of the water electrolysis hydrogen production process.
[0060] In step 205, the hydrogen generated from the cathode first passes through a gas-liquid separation device to separate the entrained water using the centrifugal force principle, and then passes through a molecular sieve dryer for deep dehydration treatment to reduce the dew point of the hydrogen to below -40°C, thereby obtaining high-purity, low-water-content hydrogen.
[0061] Furthermore, the hydrogen generated from the cathode first passes through the gas-liquid separation device, and the entrained water is separated by the centrifugal force principle. The gas-liquid separation device is equipped with a high-speed rotating component. When the mixed fluid of hydrogen and water enters the device, under the action of centrifugal force, the water with higher density is thrown to the inner wall of the device and flows down along the wall to be discharged, while the hydrogen is discharged from the upper outlet. The separated hydrogen is then deeply dehydrated by a molecular sieve dryer. The molecular sieve has a uniform microporous structure and can selectively absorb the water in the hydrogen, reducing the dew point of the hydrogen to below -40°C, thereby obtaining high-purity, low-water-content hydrogen.
[0062] In one embodiment, the gas-liquid separation device of the hydrogen-rich water generation device adopts a cyclone separator, and the internal rotation speed is 3000 rpm. 3 After the flow rate of / h enters the gas-liquid separation device, the water content in the hydrogen is reduced from the initial 5% to 0.5%. The separated hydrogen then enters the The molecular sieve dryer performs drying at a temperature of 25°C and a pressure of 0.1MPa. After drying, the dew point of hydrogen drops to -45°C, and high-purity, low-water-content hydrogen is obtained.
[0063] The embodiment of the present invention uses a water electrolyzer driven by a renewable power source to produce hydrogen, which avoids the problem of direct contact between electrodes and impurities in water, fundamentally solves the problem of electrode contamination and corrosion, and thus improves the quality and stability of hydrogen-rich water generation.
[0064] In a specific embodiment, a method for generating hydrogen-rich water based on a sustainable hydrogen production device includes:
[0065] Step 301, adjust the operating frequency of the micron bubble generator to 20-30kHz, adjust the air pressure to 0.3-0.5MPa, and evenly introduce hydrogen into the bottom of the mixing chamber through a porous ceramic nozzle with a bubble diameter ranging from 1-10 microns.
[0066] Optionally, the micron-level bubbling of hydrogen can be uniformly introduced by precisely controlling the working parameters of the micron bubble generator. The operating frequency of the micron bubble generator is set at 20-30kHz, and the high-frequency vibration can effectively cut the hydrogen into tiny bubbles; the air pressure is adjusted to 0.3-0.5MPa to provide a stable pressure environment for bubble formation. The special structural design of the porous ceramic nozzle allows the hydrogen to be evenly dispersed to the bottom of the mixing chamber in the form of bubbles with a diameter of 1-10 microns. Bubbles of this size have a large specific surface area, which significantly increases the contact area between hydrogen and water. At the same time, the micron-level bubbles rise slowly in the water, which prolongs the contact time between hydrogen and water, creating conditions for the efficient dissolution of hydrogen from a physical level.
[0067] In one embodiment, the micron bubble generator equipped with the hydrogen-rich water generating device has an operating frequency set to 25kHz and a stable air pressure of 0.4MPa. Its porous ceramic nozzle is made of precision ceramic material, with a pore size of 0.1mm and uniformly distributed in a honeycomb shape. During operation, hydrogen passes through the nozzle to form a dense bubble group with a diameter of about 5 microns, which is injected into the bottom of the mixing chamber with a volume of 50L at a stable flow rate.
[0068] Step 302, start the pressure control system to slowly increase the internal pressure of the mixing chamber to 0.8-1.2MPa, and monitor the pressure change in real time through the pressure sensor. When the pressure fluctuation exceeds ±0.05MPa, the opening of the intake valve and the exhaust valve are automatically adjusted to maintain the pressure within the preset range.
[0069] Furthermore, after the pressure control system is started, the pressure inside the mixing chamber is increased to 0.8-1.2MPa at a slow and controllable rate. Slow pressure increase can avoid the impact on the sealing structure of the device due to sudden pressure changes, ensuring the safe operation of the equipment. The pressure sensor collects pressure data in real time. Once the pressure fluctuation exceeds ±0.05MPa, the control system automatically adjusts the opening of the intake valve and exhaust valve according to the direction of the pressure deviation. Through this closed-loop feedback control mechanism, the pressure in the mixing chamber is maintained stable within the preset range, providing a stable thermodynamic environment for hydrogen dissolution. The stability of pressure helps to increase the solubility of hydrogen in water. Following Henry's law, increased pressure can cause more hydrogen to dissolve in water.
[0070] In one embodiment, in the hydrogen-rich water generating device, the pressure control system is initially set to increase the pressure of the mixing chamber from normal pressure to 1.0MPa, and the pressure increase rate is set to 0.05MPa / min. The pressure sensor adopts a high-precision diffused silicon pressure sensor with a measurement accuracy of ±0.01MPa, and collects pressure data every 2 seconds. During operation, when the pressure sensor detects that the pressure drops to 0.93MPa, the control system quickly increases the intake valve opening from 50% to 70%, and reduces the exhaust valve opening from 30% to 15%. After 2 minutes of adjustment, the pressure returns to 1.0MPa and remains stable, ensuring that the hydrogen dissolution process is carried out under stable pressure.
[0071] Step 303, use a variable frequency speed regulating pump to introduce the water source for hydrogen production into the mixing chamber at a flow rate of 2-3 cubic meters per hour, and circulate the liquid in the mixing chamber at a flow rate of 5-8 meters per second. When the temperature exceeds 30°C, start the cooling coil to cool down and control the temperature in the range of 20-25°C. If the pH value deviates from the range of 7.0±0.5, add an acid-base regulator to adjust the pH value so that it is maintained in the range of 7.0±0.5.
[0072] Furthermore, the variable frequency speed regulating pump introduces the water source for hydrogen production into the mixing chamber at a flow rate of 2-3 cubic meters per hour according to the setting, and circulates the liquid in the mixing chamber at a flow rate of 5-8 meters per second. High-speed circulation can enhance the turbulence of the liquid and promote the full mixing and mass transfer of hydrogen and water. The temperature sensor monitors the liquid temperature in real time. When the temperature exceeds 30°C, the cooling coil automatically starts to take away the heat through the circulating coolant and control the temperature in the range of 20-25°C. This temperature range is the appropriate temperature for hydrogen dissolution. Too high a temperature will reduce the solubility of hydrogen. The pH sensor continuously monitors the pH value of the solution. Once it deviates from the range of 7.0±0.5, an acid-base regulator is automatically added for adjustment. A stable pH value helps maintain the stability of the water molecule structure and avoids the effect of hydrogen dissolution affected by changes in the acid-base environment.
[0073] In one embodiment, in the hydrogen-rich water production equipment, the initial flow rate of the variable frequency speed regulating pump is set to 2.5 cubic meters per hour, and the liquid flow rate in the mixing chamber is maintained at 6 meters per second through the pipeline design. The temperature sensor adopts a platinum resistance temperature sensor with an accuracy of ±0.1°C, and the pH sensor adopts a glass electrode pH sensor with an accuracy of ±0.01pH. During operation, when the temperature sensor detects that the liquid temperature rises to 32°C, the cooling coil is immediately started, and the coolant flow rate is 1 cubic meter per hour. After 10 minutes of cooling, the temperature drops to 23°C. If the pH sensor detects that the pH value is 6.2, the control system automatically adds 50mL of sodium hydroxide solution with a concentration of 0.1mol / L to the mixing chamber. After stirring evenly, the pH value returns to 7.0.
[0074] Step 304: The ultrasonic generator in the mixing chamber emits ultrasonic waves with a frequency of 40 kHz to generate tiny bubbles by utilizing the cavitation effect of the ultrasonic waves. When the bubbles burst, local high temperature and high pressure are generated to promote the dissolution of hydrogen.
[0075] Furthermore, the ultrasonic generator in the mixing chamber emits ultrasonic waves with a frequency of 40kHz, and uses the cavitation effect of ultrasonic waves to generate a large number of tiny bubbles in the liquid. When the bubbles burst, they will form a local high temperature and high pressure environment (the temperature can reach thousands of degrees Celsius and the pressure can reach hundreds of megapascals), which will promote the closer combination of hydrogen molecules and water molecules and accelerate the dissolution process of hydrogen. At the same time, the mechanical vibration of ultrasonic waves can further enhance the stirring effect of the liquid, break the concentration gradient in the solution, and make the hydrogen more evenly distributed in the water.
[0076] In one embodiment, in the hydrogen-rich water generating device, the power of the ultrasonic generator is 500W, and the transmitting frequency is fixed at 40kHz. When the device is running, it can be observed that the liquid in the mixing chamber exhibits obvious cavitation phenomenon, generating a large number of tiny bubbles. Through comparative experiments, under the same conditions of hydrogen introduction amount and mixing time, after turning on the ultrasonic wave, the hydrogen concentration in the hydrogen-rich water is increased by 30% compared with when it is not turned on, proving that the cavitation effect and mechanical vibration of the ultrasonic wave have a significant strengthening effect on hydrogen dissolution.
[0077] Step 305, the hydrogen concentration of the hydrogen-rich water in the mixing chamber is monitored in real time by an online hydrogen concentration detector. When the concentration reaches 1.2-1.5 mg / L and remains stable for 15 minutes, the initially mixed hydrogen-rich water is obtained.
[0078] Furthermore, the online hydrogen concentration detector uses a high-precision sensor (such as an electrochemical sensor or a thermal conductivity sensor) to monitor the hydrogen concentration of the hydrogen-rich water in the mixing chamber in real time at a high frequency (such as once per second). When the hydrogen concentration reaches 1.2-1.5 mg / L and is continuously stable for 15 minutes, it is determined that the initial mixing of the hydrogen-rich water meets the standard. The continuous and stable judgment condition ensures that the concentration of the hydrogen-rich water not only reaches the target value, but also has good stability, avoiding unstable product quality due to concentration fluctuations. The hydrogen-rich water obtained after the initial mixing can enter the subsequent processing link. In one embodiment, the production line of the hydrogen-rich water production enterprise is equipped with an online hydrogen concentration detector with a detection accuracy of ±0.01 mg / L and a data update frequency of 1 time per second. During the production process, when the detector shows that the hydrogen concentration reaches 1.3 mg / L, it is continuously monitored for 15 minutes. During this period, the concentration fluctuation range is within 1.28-1.32 mg / L, which meets the continuous stability requirements. The system automatically sends a compliance signal and transports the hydrogen-rich water at this time to the next process for secondary mixing treatment.
[0079] In the process of mixing hydrogen and water, the embodiment of the present invention adopts micron bubbles and pressure cycle mixing to improve the dissolution efficiency of hydrogen and reduce the waste of hydrogen. At the same time, it can stably prepare hydrogen-rich water after initial mixing with a hydrogen concentration of 1.2-1.5 mg / L and small concentration fluctuation, thereby improving the quality and stability of hydrogen-rich water.
[0080] In a specific embodiment, a method for generating hydrogen-rich water based on a sustainable hydrogen production device includes:
[0081] Step 401, before the gas-liquid mixture enters the gas separation device, start the vacuum system of the gas separation device to pump the pressure inside the separation chamber to a vacuum state of 0.05-0.1MPa, and start the cooling system of the gas separation device to control the temperature of the separation chamber at 15-20°C.
[0082] Optionally, before the gas-liquid mixture enters the gas separation device, the vacuum system and cooling system are started to pre-treat the separation chamber. The vacuum system reduces the pressure inside the separation chamber to a vacuum state of 0.05-0.1MPa by pumping air. Reducing the pressure helps to reduce the solubility of the gas, making it easier to separate the gas and liquid; the cooling system controls the temperature of the separation chamber at 15-20°C. The appropriate low temperature environment can reduce the solubility of hydrogen in water and reduce the saturated vapor pressure of the gas, further improving the gas-liquid separation effect, and preventing the temperature from being too high due to energy changes during the gas-liquid separation process, affecting the equipment performance and separation efficiency.
[0083] In one embodiment, the gas separation device of the hydrogen-rich water generating device is equipped with a vacuum unit with a power of 5kW and a cooling system with a cooling capacity of 10kW. Before the gas-liquid mixture enters, the vacuum unit is started and continues to pump air for 5 minutes to stabilize the pressure of the separation chamber at 0.08MPa; the cooling system is started 30 minutes in advance, and the temperature of the separation chamber is reduced to 18°C by circulating coolant. According to the test, under this pretreatment condition, when the gas-liquid mixture enters the separation device, the solubility of hydrogen in water is reduced by 20% compared with the normal pressure and temperature state.
[0084] Step 402, separating the gas in the mixing chamber from the preliminarily mixed hydrogen-rich water by a gas separation device, and separating the undissolved hydrogen and the preliminarily mixed hydrogen-rich water.
[0085] Furthermore, the gas separation device has a three-stage separation structure; the first stage is a cyclone separator, which uses centrifugal force to initially separate gas and liquid and separate undissolved hydrogen; the second stage is a membrane separation component, which uses a polytetrafluoroethylene microporous membrane with a pore size of 0.1-0.2 microns to intercept tiny hydrogen bubbles and droplets; the third stage is a gravity sedimentation separator, which prolongs the gas-liquid residence time to fully separate the remaining hydrogen from the hydrogen-rich water, and finally obtains high-purity undissolved hydrogen and the separated initially mixed hydrogen-rich water.
[0086] Therefore, the gas in the mixing chamber and the initially mixed hydrogen-rich water are separated layer by layer through the three-stage separation structure of the gas separation device, and the undissolved hydrogen and the initially mixed hydrogen-rich water are separated.
[0087] In one embodiment, the gas separation device on the hydrogen-rich water production line has a gas-liquid mixture flow rate of 15 m / s at the inlet of the cyclone separator. After cyclone separation, 80% of the liquid in the gas-liquid mixture is separated; the membrane area of the membrane separation component is 5 m 2 , gas-liquid mixture at 0.5m 3 / h flow rate through the membrane separation component, the interception rate of tiny hydrogen bubbles and droplets reaches 95%; the volume of the gravity sedimentation separator is 2m 3The gas-liquid residence time is 10 minutes, and the purity of the hydrogen finally separated reaches 99.5%.
[0088] Step 403, detecting index parameters of the hydrogen-rich water after preliminary mixing; the index parameters include hydrogen concentration, pH value, conductivity and antioxidant performance.
[0089] Further, professional testing instruments are used to detect the hydrogen concentration, pH value, conductivity and antioxidant performance of hydrogen-rich water after preliminary mixing. Hydrogen concentration reflects the content of the core active ingredients of hydrogen-rich water; pH value affects the stability and drinking safety of hydrogen-rich water; conductivity reflects the ion content in water, which is related to the quality and production process of hydrogen-rich water; antioxidant performance is an important indicator for measuring the efficacy of hydrogen-rich water. Through comprehensive testing of these indicators, the quality of hydrogen-rich water after preliminary mixing can be accurately evaluated to determine whether it meets product requirements. In one embodiment, under a laboratory environment, a high-precision hydrogen concentration detector (detection accuracy ± 0.01 mg / L), a pH meter (accuracy ± 0.01 pH), a conductivity meter (accuracy ± 1 μS / cm) and an antioxidant performance tester are used to detect 100 mL of hydrogen-rich water after preliminary mixing. The test results show that the hydrogen concentration is 1.1 mg / L, the pH value is 6.8, the conductivity is 1800 μS / cm, and the antioxidant performance index (ORAC value) is 800 μmolTE / 100g. Compare these test data with the product standards to determine whether the hydrogen-rich water meets the standards.
[0090] Step 404, if it does not meet the standard, then increase the pressure of the mixing chamber to 1.3-1.8 MPa, increase the operating frequency of the micron bubble generator to 30-35 kHz, and increase the flow rate of the circulation pump to 3-4 cubic meters per hour.
[0091] Furthermore, the test found that the index parameters of hydrogen-rich water did not meet the standards. The quality of hydrogen-rich water was improved by adjusting key parameters such as the pressure of the mixing chamber, the operating frequency of the micron bubble generator, and the flow rate of the circulation pump. Increasing the pressure of the mixing chamber to 1.3-1.8MPa, according to Henry's law, increased pressure can increase the solubility of hydrogen in water; increasing the operating frequency of the micron bubble generator to 30-35kHz can produce hydrogen bubbles with smaller diameters, increase the specific surface area, and promote hydrogen dissolution; increasing the flow rate of the circulation pump to 3-4 cubic meters / hour, speeding up the liquid circulation speed, and enhancing the mixing and mass transfer effect of hydrogen and water, thereby improving the quality of hydrogen-rich water and making its various indicators meet the requirements.
[0092] In one embodiment, after a batch of hydrogen-rich water was initially mixed, it was found that the hydrogen concentration was only 1.0 mg / L, which did not meet the standard of 1.2-1.5 mg / L. In response to this situation, the pressure of the mixing chamber was increased from 1.0 MPa to 1.5 MPa, the operating frequency of the micron bubble generator was increased from 25 kHz to 32 kHz, and the circulation pump flow rate was increased from 2.5 cubic meters / hour to 3.5 cubic meters / hour. After adjusting the parameters, the mixing system was run again for 30 minutes, and the hydrogen concentration of the hydrogen-rich water was retested. The result was increased to 1.3 mg / L, meeting the standard requirements.
[0093] Step 405, the separated hydrogen gas and the initially mixed hydrogen-rich water are introduced into the mixing chamber again for secondary mixing to obtain secondary mixed hydrogen-rich water.
[0094] Further, the separated hydrogen and the hydrogen-rich water after preliminary mixing are introduced into the mixing chamber again, and secondary mixing is performed under the adjusted parameter conditions. The secondary mixing process can make the separated hydrogen dissolve into the hydrogen-rich water again, further increase the hydrogen concentration, and make the distribution of hydrogen in the hydrogen-rich water more uniform, make up for the shortcomings that may exist in the first mixing, and ensure that the quality of the hydrogen-rich water obtained after secondary mixing is stable and meets the product standards. In one embodiment, during the production process of hydrogen-rich water, the separated high-purity hydrogen (purity 99.5%) and the hydrogen-rich water after preliminary mixing (hydrogen concentration 1.1 mg / L) are simultaneously introduced into the mixing chamber, and the secondary mixing is performed for 40 minutes under the conditions of a mixing chamber pressure of 1.5 MPa, a micron bubble generator operating frequency of 32 kHz, and a circulating pump flow of 3.5 cubic meters / hour. After the secondary mixing, the hydrogen concentration of the hydrogen-rich water is detected to reach 1.4 mg / L, and various indicators are stable, and qualified hydrogen-rich water after secondary mixing is obtained.
[0095] The embodiments of the present invention improve the utilization rate of hydrogen and reduce the production cost through gas separation and remixing. At the same time, it can effectively improve the quality of hydrogen-rich water, so that the key indicators such as hydrogen concentration, pH value, conductivity and antioxidant performance of hydrogen-rich water meet or exceed the product standards, ensure the production of stable and high-quality secondary mixed hydrogen-rich water, and improve the generation quality and stability of hydrogen-rich water.
[0096] Furthermore, the hydrogen-rich water generating device based on the sustainable hydrogen production device provided by the present invention is described below. The hydrogen-rich water generating device based on the sustainable hydrogen production device described below and the hydrogen-rich water generating method based on the sustainable hydrogen production device described above can be referenced to each other.
[0097] Optional, see Figure 2 , Figure 2 It is a structural schematic diagram of a hydrogen-rich water generating device based on a sustainable hydrogen production device provided by the present invention. The hydrogen-rich water generating device based on a sustainable hydrogen production device includes.
[0098] The filtering unit 210 is used to perform preliminary filtering on the water source based on a multi-stage filtering system to remove large particle impurities, suspended matter and some microorganisms in the water to obtain a filtered water source;
[0099] A hydrogen production unit 220, which is used to produce hydrogen from filtered water by driving a water electrolyzer of a sustainable hydrogen production device based on a renewable power source;
[0100] The preliminary mixing unit 230 is used to introduce the filtered water source into the mixing chamber, pass the produced hydrogen into the bottom of the mixing chamber in the form of micron bubbles based on the micron bubble generator, apply a preset range of pressure to the mixing chamber, start the circulation pump, so that the filtered water source and hydrogen circulate in the mixing chamber, promote the dissolution of hydrogen, and obtain hydrogen-rich water after preliminary mixing;
[0101] The secondary mixing unit 240 is used to introduce the gas in the mixing chamber and the hydrogen-rich water after preliminary mixing into the gas separation device after cyclic mixing, separate the undissolved hydrogen, and introduce the separated hydrogen and the hydrogen-rich water after preliminary mixing into the mixing chamber again for secondary mixing to obtain the hydrogen-rich water after secondary mixing;
[0102] The hydrogen-rich water storage unit 240 is used to transport the hydrogen-rich water after secondary mixing to a storage container, and add a preset amount of stabilizer into the storage container to obtain final hydrogen-rich water.
[0103] The embodiment of the present invention pre-treats the water source through a multi-stage filtration system, removes most of the impurities in the water, and reduces pollution to the equipment. The water electrolyzer driven by renewable power sources is used to produce hydrogen, which avoids the problem of direct contact between the electrode and impurities in the water, and fundamentally solves the problem of electrode pollution and corrosion. In the process of mixing hydrogen and water, micron bubbles and pressure circulation mixing are used to improve the dissolution efficiency of hydrogen and reduce the waste of hydrogen. Gas separation and remixing improve the utilization rate of hydrogen and reduce production costs. Finally, the addition of stabilizers ensures the stability of hydrogen-rich water and extends the shelf life of hydrogen-rich water. Therefore, the generation quality and stability of hydrogen-rich water are improved, and the cost of use is reduced.
[0104] See also Figure 3 , Figure 3 FIG. 1 is an embodiment diagram of an electronic device provided by an embodiment of the present invention. Figure 3 As shown, an embodiment of the present invention provides an electronic device 300, including a memory 310, a processor 320, and a computer program 311 stored in the memory 310 and executable on the processor 320. When the processor 320 executes the computer program 311, the following steps are implemented:
[0105] The water source is initially filtered based on a multi-stage filtration system to remove large particle impurities, suspended matter and some microorganisms in the water to obtain filtered water source;
[0106] A water electrolyzer based on a renewable power source to drive a sustainable hydrogen production device to produce hydrogen from filtered water;
[0107] The filtered water source is introduced into the mixing chamber, and the produced hydrogen is introduced into the bottom of the mixing chamber in the form of micron bubbles based on the micron bubble generator, and a preset range of pressure is applied to the mixing chamber, and a circulation pump is started to circulate the filtered water source and hydrogen in the mixing chamber to promote the dissolution of hydrogen and obtain hydrogen-rich water after preliminary mixing;
[0108] After cyclic mixing, the gas in the mixing chamber and the preliminarily mixed hydrogen-rich water are introduced into a gas separation device to separate the undissolved hydrogen, and the separated hydrogen and the preliminarily mixed hydrogen-rich water are introduced into the mixing chamber again for secondary mixing to obtain secondary mixed hydrogen-rich water;
[0109] The hydrogen-rich water after secondary mixing is transported to a storage container, and a preset amount of stabilizer is added to the storage container to obtain the final hydrogen-rich water.
[0110] See also Figure 4 , Figure 4 Detailed description of an embodiment of a computer-readable storage medium provided by an embodiment of the present invention. Figure 4 As shown, this embodiment provides a computer-readable storage medium 400, on which a computer program 311 is stored. When the computer program 311 is executed by a processor, the following steps are implemented:
[0111] The water source is initially filtered based on a multi-stage filtration system to remove large particle impurities, suspended matter and some microorganisms in the water to obtain filtered water source;
[0112] A water electrolyzer based on a renewable power source to drive a sustainable hydrogen production device to produce hydrogen from filtered water;
[0113] The filtered water source is introduced into the mixing chamber, and the produced hydrogen is introduced into the bottom of the mixing chamber in the form of micron bubbles based on the micron bubble generator, and a preset range of pressure is applied to the mixing chamber, and a circulation pump is started to circulate the filtered water source and hydrogen in the mixing chamber to promote the dissolution of hydrogen and obtain hydrogen-rich water after preliminary mixing;
[0114] After cyclic mixing, the gas in the mixing chamber and the preliminarily mixed hydrogen-rich water are introduced into a gas separation device to separate the undissolved hydrogen, and the separated hydrogen and the preliminarily mixed hydrogen-rich water are introduced into the mixing chamber again for secondary mixing to obtain secondary mixed hydrogen-rich water;
[0115] The hydrogen-rich water after secondary mixing is transported to a storage container, and a preset amount of stabilizer is added to the storage container to obtain the final hydrogen-rich water.
[0116] On the other hand, the present invention further provides a computer program product, which includes a computer program. The computer program can be stored on a non-transitory computer-readable storage medium. When the computer program is executed by a processor, the computer can execute the hydrogen-rich water generation method based on the sustainable hydrogen production device provided by the above methods, and the method includes:
[0117] The water source is initially filtered based on a multi-stage filtration system to remove large particle impurities, suspended matter and some microorganisms in the water to obtain filtered water source;
[0118] A water electrolyzer based on a renewable power source to drive a sustainable hydrogen production device to produce hydrogen from filtered water;
[0119] The filtered water source is introduced into the mixing chamber, and the produced hydrogen is introduced into the bottom of the mixing chamber in the form of micron bubbles based on the micron bubble generator, and a preset range of pressure is applied to the mixing chamber, and a circulation pump is started to circulate the filtered water source and hydrogen in the mixing chamber to promote the dissolution of hydrogen and obtain hydrogen-rich water after preliminary mixing;
[0120] After cyclic mixing, the gas in the mixing chamber and the preliminarily mixed hydrogen-rich water are introduced into a gas separation device to separate the undissolved hydrogen, and the separated hydrogen and the preliminarily mixed hydrogen-rich water are introduced into the mixing chamber again for secondary mixing to obtain secondary mixed hydrogen-rich water;
[0121] The hydrogen-rich water after secondary mixing is transported to a storage container, and a preset amount of stabilizer is added to the storage container to obtain the final hydrogen-rich water.
[0122] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.
[0123] Through the description of the above implementation methods, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a necessary general hardware platform, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solution is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiment.
[0124] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A method for generating hydrogen-rich water based on a sustainable hydrogen production device, characterized in that: include: The water source is initially filtered based on a multi-stage filtration system to remove large particle impurities, suspended matter and some microorganisms in the water to obtain filtered water source; A water electrolyzer based on a renewable power source driving a sustainable hydrogen production device produces hydrogen from the filtered water source; The filtered water source is introduced into the mixing chamber, and the produced hydrogen is introduced into the bottom of the mixing chamber in the form of micron bubbles based on the micron bubble generator, and a preset range of pressure is applied to the mixing chamber, and a circulation pump is started to circulate the filtered water source and hydrogen in the mixing chamber to promote the dissolution of hydrogen and obtain hydrogen-rich water after preliminary mixing; After cyclic mixing, the gas in the mixing chamber and the preliminarily mixed hydrogen-rich water are introduced into a gas separation device to separate undissolved hydrogen, and the separated hydrogen and the preliminarily mixed hydrogen-rich water are introduced into the mixing chamber again for secondary mixing to obtain secondary mixed hydrogen-rich water; The secondary mixed hydrogen-rich water is transported to a storage container, and a preset amount of stabilizer is added to the storage container to obtain final hydrogen-rich water.
2. The method for generating hydrogen-rich water based on a sustainable hydrogen production device according to claim 1, characterized in that: The water electrolyzer based on the renewable power source driving the sustainable hydrogen production device produces hydrogen from the filtered water source, comprising: The filtered water source is introduced into a dynamic membrane filtration device, and the filtered water source is secondary purified by using an electric field assisted ceramic membrane group in the dynamic membrane filtration device to obtain a secondary purified water source; Adding a preset proportion of a potassium hydroxide electrolyte solution with a mass concentration of 0.05% to the secondary purified water source, stirring at a speed of 800 rpm for 15 minutes using a magnetic stirrer until the water conductivity of the secondary purified water source is adjusted to 1500-2000 μS / cm, thereby obtaining a water source for hydrogen production; The internal temperature of the water electrolyzer is slowly raised to 60°C. After the preheating process lasts for 10 minutes, the renewable power source is connected to drive the sustainable hydrogen production device. The voltage of the DC power is stably controlled at 1.8-2.2 volts through the intelligent controller, and the current density is maintained at 2000-2500A / m 2 ; During the electrolysis process, the infrared thermal imager is used to monitor the temperature of the proton exchange membrane in real time. If the temperature difference on the membrane surface exceeds 5°C, the cooling system is immediately activated to reduce the temperature locally. The hydrogen generated from the cathode first passes through a gas-liquid separation device to separate the entrained water using the principle of centrifugal force, and then undergoes deep dehydration treatment through a molecular sieve dryer to reduce the dew point of the hydrogen to below -40°C, thereby obtaining high-purity, low-water-content hydrogen.
3. The method for generating hydrogen-rich water based on a sustainable hydrogen production device according to claim 2, characterized in that: The method comprises: The operating frequency of the micron bubble generator is adjusted to 20-30kHz, the air pressure is adjusted to 0.3-0.5MPa, and hydrogen is uniformly introduced into the bottom of the mixing chamber through a porous ceramic nozzle with a bubble diameter of 1-10 microns; Start the pressure control system to slowly increase the internal pressure of the mixing chamber to 0.8-1.2MPa, and monitor the pressure change in real time through the pressure sensor. When the pressure fluctuation exceeds ±0.05MPa, the opening of the intake valve and the exhaust valve are automatically adjusted to maintain the pressure within the preset range; A variable frequency speed regulating pump is used to introduce the water source for hydrogen production into the mixing chamber at a flow rate of 2-3 cubic meters per hour, and the liquid in the mixing chamber is circulated at a flow rate of 5-8 meters per second; when the temperature exceeds 30°C, the cooling coil is started to cool down and the temperature is controlled within the range of 20-25°C; if the pH value deviates from the range of 7.0±0.5, an acid-base regulator is added to adjust the pH value of the solution to maintain it within the range of 7.0±0.5; The ultrasonic generator in the mixing chamber emits ultrasonic waves with a frequency of 40kHz, and uses the cavitation effect of ultrasonic waves to generate tiny bubbles. When the bubbles burst, local high temperature and high pressure are generated to promote the dissolution of hydrogen. The hydrogen concentration of the hydrogen-rich water in the mixing chamber is monitored in real time by an online hydrogen concentration detector. When the concentration reaches 1.2-1.5 mg / L and remains stable for 15 minutes, the initially mixed hydrogen-rich water is obtained.
4. The method for generating hydrogen-rich water based on a sustainable hydrogen production device according to claim 1, characterized in that: The method comprises: Before the gas-liquid mixture enters the gas separation device, the vacuum system of the gas separation device is started to pump the pressure inside the separation chamber to a vacuum state of 0.05-0.1MPa, and the cooling system of the gas separation device is turned on to control the temperature of the separation chamber at 15-20°C; The gas in the mixing chamber and the preliminarily mixed hydrogen-rich water are separated by a gas separation device to separate the undissolved hydrogen and the preliminarily mixed hydrogen-rich water; Detect the index parameters of hydrogen-rich water after preliminary mixing; the index parameters include hydrogen concentration, pH value, conductivity and antioxidant performance; If the index parameters do not meet the standards, increase the pressure of the mixing chamber to 1.3-1.8MPa, increase the operating frequency of the micron bubble generator to 30-35kHz, and increase the flow rate of the circulation pump to 3-4 cubic meters / hour; The separated hydrogen gas and the initially mixed hydrogen-rich water are introduced into the mixing chamber again for secondary mixing to obtain the secondary mixed hydrogen-rich water.
5. The method for generating hydrogen-rich water based on a sustainable hydrogen production device according to claim 4, characterized in that: The gas separation device is a three-stage separation structure; the first stage is a cyclone separator, which uses centrifugal force to initially separate gas and liquid and separate undissolved hydrogen; the second stage is a membrane separation component, which uses a polytetrafluoroethylene microporous membrane with a pore size of 0.1-0.2 microns to intercept tiny hydrogen bubbles and droplets; the third stage is a gravity sedimentation separator, which prolongs the gas-liquid residence time to fully separate the remaining hydrogen from the hydrogen-rich water, and finally obtains high-purity undissolved hydrogen and the separated initially mixed hydrogen-rich water.
6. The method for generating hydrogen-rich water based on a sustainable hydrogen production device according to claim 1, characterized in that: In a water electrolyzer, the anode and cathode are separated by a proton exchange membrane. Under the action of direct current, water molecules are decomposed into hydrogen and hydroxide ions at the cathode.
7. The method for producing hydrogen-rich water based on a sustainable hydrogen production device according to any one of claims 1 to 6, characterized in that: The multi-stage filtration system comprises a quartz sand filter, an activated carbon filter and a precision filter.
8. A hydrogen-rich water generating device based on a sustainable hydrogen production device, characterized in that: Applicable to the method for generating hydrogen-rich water based on a sustainable hydrogen production device as described in any one of claims 1 to 7; The hydrogen-rich water generating device based on the sustainable hydrogen production device comprises: The filtration unit is used to perform preliminary filtration on the water source based on a multi-stage filtration system to remove large particle impurities, suspended matter and some microorganisms in the water to obtain filtered water source; A hydrogen production unit, used to produce hydrogen from the filtered water source by driving a water electrolyzer of a sustainable hydrogen production device based on a renewable power source; A preliminary mixing unit is used to introduce the filtered water source into a mixing chamber, pass the produced hydrogen into the bottom of the mixing chamber in the form of micron bubbles based on a micron bubble generator, apply a preset range of pressure to the mixing chamber, start a circulation pump, so that the filtered water source and hydrogen circulate in the mixing chamber, promote the dissolution of hydrogen, and obtain hydrogen-rich water after preliminary mixing; A secondary mixing unit is used to introduce the gas in the mixing chamber and the preliminarily mixed hydrogen-rich water into a gas separation device after cyclic mixing to separate undissolved hydrogen, and introduce the separated hydrogen and the preliminarily mixed hydrogen-rich water into the mixing chamber again for secondary mixing to obtain the secondary mixed hydrogen-rich water; The hydrogen-rich water storage unit is used to transport the secondary mixed hydrogen-rich water to a storage container, and add a preset amount of stabilizer into the storage container to obtain final hydrogen-rich water.
9. An electronic device, comprising: Memory for storing computer software programs; A processor, used to read and execute the computer software program, characterized in that when the processor executes the computer software program, it implements the method for generating hydrogen-rich water based on a sustainable hydrogen production device as described in any one of claims 1 to 7.
10. A non-transitory computer-readable storage medium having a computer software program stored therein, characterized in that: When the computer software program is executed by the processor, the method for generating hydrogen-rich water based on the sustainable hydrogen production device as claimed in any one of claims 1 to 7 is implemented.
Citation Information
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