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43 results about "Hydrogen bubble" patented technology

Why Hydrogen Peroxide Forms Bubbles. Hydrogen peroxide bubbles when it comes into contact with an enzyme called catalase. Most cells in the body contain catalase, so when the tissue is damaged, the enzyme is released and becomes available to react with the peroxide.

Acoustic coalescence elimination method for hydrogen bubbles in molten aluminum

The invention provides an acoustic coalescence elimination method for hydrogen bubbles in molten aluminum, and belongs to the technical field of molten aluminum bubble elimination. According to the method, sound field collaborative focusing is achieved by arranging a phase control array transducer set in a molten aluminum smelting furnace, primary gathered sound waves and efficient coalescence sound waves are applied in stages according to bubble size evolution in a double-frequency scanning mode, and the hydrogen bubbles in the molten aluminum are eliminated. A target frequency is dynamically adjusted in combination with a bubble resonance frequency optimization model to match the inherent frequency of a bubble, a sound-bubble coupling dynamic tracking system is used for monitoring bubble evolution triggering stage switching in real time, and a sound field focus point dynamically scans and covers a three-dimensional space area through phase delay control. A delay detection method is adopted to eliminate cavitation bubble interference and accurately measure the hydrogen content, sound intensity and frequency parameters are optimized according to a sound field parameter self-adaptive regulation and control model, and the technical problem that hydrogen bubbles in a molten aluminum deep area are difficult to be effectively driven by sound waves and cannot be fully coalesced and eliminated is solved.
Owner:QINGDAO UNIVERSAL ALUMINUM IND CO LTD

Following body PIV boundary layer flow field test system and test method based on electrolytic hydrogen bubbles

The invention discloses a follow-up PIV boundary layer flow field test system and test method based on electrolytic hydrogen bubbles. The follow-up PIV boundary layer flow field test system comprises an integrated optical measurement module and a tracer particle generation module, the optical measurement module is arranged in the UUV and comprises a laser transmitter assembly, a sapphire prism and two imaging cameras which are symmetrically arranged, and laser sheet light forms a sheet light area on the outer surface of the UUV after being refracted by the sapphire prism; the tracer particle generation module comprises a cathode, an anode and a power supply unit, the cathode is a platinum wire array composed of a plurality of platinum wires arranged in the axial direction of the UUV, and the platinum wires are located at different heights away from the wall face of the UUV; the power supply unit selectively electrifies the platinum wire, independently adjusts the voltage, controls the number and frequency of generated hydrogen bubbles, and achieves the synchronous measurement of flow field information at different thickness positions of a boundary layer. According to the invention, boundary layer flow field in-situ follow-up measurement and synchronous fine measurement of different thickness positions under the condition of not changing the UUV shape are realized, and the device has the advantages of high integration level, small flow field disturbance, high measurement efficiency and the like.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Method for improving underground hydrogen storage capacity by stabilizing hydrogen foam through porous carbon material

ActiveCN121180946AHydrogenCarbon compoundsUnderground hydrogen storagePorous carbon
The invention belongs to the technical field of underground hydrogen storage, and particularly relates to a method for improving underground hydrogen storage capacity by stabilizing hydrogen foam through a porous carbon material, which comprises the following steps: step 1, preparing a hydrophobic modified porous carbon material: preparing the porous carbon material by using biomass waste as a raw material through a carbonization-activation process; carrying out hydrophobic modification treatment on the porous carbon material to enable the water contact angle of the material to reach more than 90 degrees; step 2, preparing a surfactant solution; step 3, preparing a porous carbon-surfactant composite system; and fourthly, hydrogen foam is generated and injected, wherein hydrogen and the porous carbon-surfactant composite system are fully mixed according to the gas-liquid volume ratio of 1: 1-10: 1, and then the mixture is injected into the stratum. By means of the method, the stability of hydrogen foam can be remarkably improved, the hydrogen storage efficiency and the hydrogen recovery rate are improved, and therefore the underground hydrogen storage amount is greatly increased.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Mo-ni bimetallic denitration catalyst and preparation method thereof

The application discloses a Mo-Ni bimetallic denitration catalyst and a preparation method thereof, and relates to the technical field of denitration agents, and the preparation method comprises the following steps: firstly, a nickel source, a molybdenum source and an aluminum source are smelted and crushed to obtain a Ni-Mo-Al ternary alloy powder; then, the Ni-Mo-Al ternary alloy powder is added into a mixed alkaline leaching solution containing alkali metal hydroxide, a surfactant and hydrophobic conductive micro powder to perform a dealuminization reaction; hydrogen bubbles generated in-situ by the reaction are used as soft templates, and the hydrophobic conductive micro powder is adsorbed on the bubble interface and assembled in the skeleton through Pickering effect; finally, the catalyst is obtained through washing and drying; the catalyst prepared by the application has a large pore structure with conductive micro powder distributed on the inner wall; the unique structure not only reduces the mass transfer resistance, constructs an electron transmission channel, but also promotes the discharge of product nitrogen through a local hydrophobic environment, and significantly improves the catalytic activity and nitrogen selectivity when treating nitrate-containing wastewater.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Device and method for generating nano hydrogen bubble water by electrolyzing water

The invention relates to the technical field of hydrogen bubble water preparation devices, in particular to a device and method for generating nanometer hydrogen bubble water by electrolyzing water. The device comprises a rack, and a water inlet adjusting pipe, a Venturi pipe, a flow guide pipe and a Tesla valve are sequentially fixed to the rack from left to right; the interiors of the water inlet adjusting pipe, the Venturi pipe, the flow guide pipe and the Tesla valve are communicated to form a continuous flow path, one end of the water inlet adjusting pipe is provided with a plurality of adjusting pieces which extend to an inlet of the Venturi pipe and jointly define a variable water outlet part, and the multiple adjusting pieces can be driven by a first driving mechanism to synchronously perform radial expansion and contraction movement; according to the invention, through the arrangement of the complete and progressive treatment procedures of dynamic Venturi effect primary crushing, linkage mechanical stirring secondary crushing, high-speed shearing nanocrystallization and Tesla valve collision homogenization, the concentration of hydrogen in the finally generated nano hydrogen bubbles is obviously improved; the average particle size of generated bubbles is smaller, and the particle size distribution range is more concentrated.
Owner:ZHUHAI COLLEGE OF JILIN UNIV

Anion exchange membrane AEM electrolytic bath with asymmetric structure

The invention provides an anionic membrane AEM electrolytic bath with an asymmetric structure, and belongs to the field of structural design of alkaline membrane electrolytic baths. The anode side of the electrolytic cell adopts a rigid net as a gas diffusion layer, and the cathode side adopts an elastic net as a gas diffusion layer. According to the electrolytic cell, the asymmetric rigid net and the elastic net are adopted as gas diffusion layers, and a groove flow channel structure is omitted, so that on one hand, the porosity in the electrolytic cell can be increased, a larger flow channel area is provided, the gas-liquid two-phase fluid mass transfer resistance is reduced while the contact area of an electrode of the electrolytic cell and liquid is increased, and bubble discharge is facilitated; the processing and assembling difficulty is reduced; on the other hand, due to the existence of the cathode side elastic net, the assembly reliability can be improved, the sealing problem is solved, the membrane electrode and the bipolar plate are in full contact, the hydrogen bubble generation position is uniform, and the contact resistance is reduced; finally, the rigid net on the anode side can serve as a supporting part and provide larger porosity, and mass transfer resistance is further reduced.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Mo-Ni bimetallic denitration catalyst and preparation method thereof

The invention discloses a Mo-Ni bimetallic denitration catalyst and a preparation method thereof, and relates to the technical field of denitration agents, the preparation method comprises the following steps: firstly, smelting and crushing a nickel source, a molybdenum source and an aluminum source to obtain Ni-Mo-Al ternary alloy powder; then adding into a mixed alkaline leaching solution containing alkali metal hydroxide, a surfactant and hydrophobic conductive micro powder to carry out dealumination reaction; hydrogen bubbles generated in situ in a reaction are used as a soft template, and hydrophobic conductive micro powder is adsorbed on a bubble interface and assembled in a skeleton through a Pickering effect; and finally washing and drying to obtain the catalyst. The prepared catalyst has a macroporous structure with conductive micro powder distributed on the inner wall, the unique structure not only reduces mass transfer resistance and constructs an electron transport channel, but also promotes discharge of a product nitrogen through a local hydrophobic environment, and the catalytic activity and nitrogen selectivity during treatment of nitrate-containing wastewater are remarkably improved.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Device and method for introducing hydrogen bubbles into zirconium alloy

The invention discloses a device for introducing hydrogen bubbles into zirconium alloy, which comprises a heating mechanism, a circulating cooling water pipeline and a cooling water supply part, one end of the circulating cooling water pipeline extends into the heating mechanism, the cooling water supply part is arranged at the other end of the circulating cooling water pipeline, and a placing table is arranged at the end, extending into the heating mechanism, of the circulating cooling water pipeline. A limiting piece used for preventing the zirconium alloy from moving is arranged on the containing table, the outer portion of the end, stretching into the heating mechanism, of the circulating cooling water pipeline is wrapped with a vacuum cover, and hydrogen release medicine is placed in the vacuum cover. The invention further discloses a method for introducing the hydrogen bubbles into the zirconium alloy through the device. According to the device, the circulating cooling water pipeline extends into the heating mechanism and is used for providing an environment with a temperature gradient for introducing hydrogen bubbles into zirconium alloy, so that the hydrogen bubble forming efficiency is improved, and the device is suitable for research on formation of hydrogen bubbles at special positions of the surfaces of pipes.
Owner:NORTHWEST INSTITUTE FOR NONFERROUS METAL RESEARCH

Preparation method and application of MoP-C electrocatalyst based on polymolybdic acid-based metal organic framework

The invention relates to a preparation method and application of a MoP-C electrocatalyst based on a polymolybdic acid-based metal organic framework, and belongs to the technical field of electrocatalytic materials, the preparation method of the MoP-C electrocatalyst comprises the following steps: S1, synthesis of an organic ligand btpe, S2, synthesis of a polymolybdic acid-based metal organic framework CUST-698 crystal, S3, in-situ synthesis of the MoP-C electrocatalyst, and S4, in-situ synthesis of the MoP-C electrocatalyst. The MoP-coated C electrocatalyst is applied to an electrocatalytic hydrogen evolution electrode, the MoP-coated C electrocatalyst or the electrocatalytic hydrogen evolution electrode applying the MoP-coated C electrocatalyst is applied to hydrogen evolution reaction (HER) in acidic or alkaline electrolyte, N2 adsorption and desorption tests prove that the MoP-coated C electrocatalyst has a multi-stage pore channel system composed of micropores and mesopores, and the MoP-coated C electrocatalyst has the advantages that the MoP-coated C electrocatalyst can be applied to the hydrogen evolution reaction (HER) in the acidic or alkaline electrolyte; the MoP-C electrocatalyst prepared by the preparation method disclosed by the invention is favorable for permeation of electrolyte and desorption of hydrogen bubbles, exposes a large number of active sites, has high hydrogen evolution activity, shows SEM and TEM images, effectively prevents agglomeration due to the structure of the MoP-C electrocatalyst, ensures full utilization of the active sites and rapid substance transport, and has good stability.
Owner:JILIN ELECTRIC POWER RES INST LTD +1

Electrolytic hydrogen bubble-based tracer PIV boundary layer flow field test system and test method

ActiveCN121762174BSolve the technical problems that are difficult to achieve with body measurementsreduce disturbanceHydrodynamic testingFluid speed measurementLaser transmitterElectrolysis
The application discloses a kind of based on electrolytic hydrogen bubble's PIV boundary layer flow field test system and test method of satellite, including integrated optical measurement module and tracer particle generation module;Optical measurement module is located in UUV interior, including laser emitter assembly, sapphire prism and the two imaging cameras of symmetrical arrangement, laser sheet light is refracted after sapphire prism and forms sheet light area on the outer surface of UUV;Tracer particle generation module includes cathode, anode and power supply unit, cathode is the platinum wire array of several platinum wires arranged along the axis of UUV, each platinum wire is located at different height from the wall surface of UUV;Power supply unit selectively energizes platinum wire and independently adjusts voltage, control the number and frequency of hydrogen bubbles generated, realize the synchronous measurement of flow field information at different thickness positions of boundary layer.The application realizes boundary layer flow field in-situ satellite measurement and synchronous fine measurement at different thickness positions under the condition of not changing the appearance of UUV, with the advantages of high integration, small flow field disturbance, high measurement efficiency.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Method for stabilizing hydrogen bubble foam by using porous carbon material to improve hydrogen storage capacity in the ground

ActiveCN121180946BHydrogenCarbon compoundsUnderground hydrogen storagePorous carbon
The present application belongs to the technical field of underground hydrogen storage, and particularly relates to a method for improving underground hydrogen storage capacity by stabilizing hydrogen bubble foam with porous carbon material, comprising the following steps: Step 1, preparing hydrophobic modified porous carbon material: taking biomass waste as raw material, porous carbon material is prepared through carbonization-activation process; the porous carbon material is subjected to hydrophobic modification treatment, so that the water contact angle of the material reaches more than 90°; Step 2, preparing surfactant solution; Step 3, preparing porous carbon-surfactant composite system; Step 4, generation and injection of hydrogen bubble foam: hydrogen and the porous carbon-surfactant composite system are fully mixed in a gas-liquid volume ratio of 1:1 to 10:1, and then injected into the formation. The method can significantly improve the stability of hydrogen bubble foam, improve the hydrogen storage efficiency and hydrogen recovery rate, so as to greatly improve the underground hydrogen storage capacity.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Electrolytic polishing device for semiconducting stainless steel tubes

PendingCN122105595AContinuously updated evenlyquick updateElectrolysis componentsElectrolytic agentPipe fitting
The application belongs to the technical field of electrolytic polishing, and particularly relates to an electrolytic polishing device for semiconductor stainless steel pipes, which comprises an electrolytic cell, a collecting disc is placed in the electrolytic cell, two bearing seats are arranged in the collecting disc, and the bearing seats are fixedly connected with the collecting disc. In the electrolytic polishing operation of the semiconductor stainless steel pipe, the electrolyte continuously flows from the inner and outer sides of the steel pipe, hydrogen bubbles generated in the electrolytic reaction can be timely flushed and removed, the bubbles are prevented from adhering to the pipe wall to form a gas film, the electrolyte can be kept in continuous and uniform contact with the inner and outer surfaces of the steel pipe, the electrolyte on the surface of the pipe can be quickly renewed, a stable electrolytic environment can be maintained, local unpolished, uneven bright and dark and other problems can be effectively eliminated, the polishing uniformity and surface quality are improved, and the electrolyte can be reduced in the pipe and the gap between pipe fittings during batch processing, and the risk of subsequent corrosion and pollution is reduced.
Owner:JIANGSU TONGSHEN STAINLESS STEEL PIPE IND CO LTD

Hydrogen-rich tea bag and preparation method thereof

PendingCN121799794ABag making operationsPaper-makingPhysical chemistryHydrogen bubble
The invention provides a hydrogen-rich tea bag and a preparation method thereof. The hydrogen-rich tea bag comprises an upper wrapping bag and a lower wrapping bag fixed to the lower portion of the upper wrapping bag, the hydrogen-rich tea bag is of a triangular pyramid structure, and an inner cavity of the upper wrapping bag is a first cavity used for storing tea particles; and an inner cavity of the lower coating bag is a second cavity and is used for storing magnesium hydride particles. According to the hydrogen-rich tea bag, magnesium hydride and water are subjected to a chemical reaction to generate hydrogen, so that a hydrogen-rich source is provided for the tea bag. Water can enter the lower coating bag to react with the magnesium hydride particles and generate hydrogen, and the hydrogen penetrates through the top of the lower coating bag to enter the first cavity and then makes contact with the tea particles and water in the first cavity, so that the dissolution efficiency of tea components is improved, the taste of tea water is improved, and the antioxidant function of the tea water is achieved; meanwhile, the hydrogen bubbles entering the first cavity can drive the tea particles to move in the first cavity, the dissolution efficiency of tea components is further improved, and the flavor extraction effect of tea water is improved.
Owner:大连富德金煜新能源有限公司

Method for ultrafast preparation of porous Cu / Zn heterojunction electrocatalytic material and application thereof

ActiveCN115637460Beasy to operateWide range of raw materialsEnergy inputElectrodesHeterojunctionCopper sulfate
The application relates to a method for rapidly preparing a porous Cu / Zn heterojunction electrocatalytic material and application. The method utilizes a dynamic hydrogen bubble template method to prepare the heterojunction electrocatalytic material, and the preparation is carried out under the condition of a higher cathode deposition current. The specific steps are as follows: firstly, copper sulfate, zinc sulfate and ammonium sulfate are dissolved in deionized water according to a certain ratio to serve as an electrodeposition solution. The electrodeposition is carried out at room temperature, the deposition condition is controlled by using a direct current power supply, a hydrophilic carbon paper is used as a substrate electrode, and the porous Cu / Zn heterojunction material is deposited for 30 seconds under the condition of a deposition current of-1.0 A. The preparation scheme can realize in-situ rapid preparation of the porous material, the loading is uniform and stable, the operation process of a relatively cumbersome hard template method is avoided, and the electrocatalytic carbon dioxide reduction preparation carbon monoxide performance is very high.
Owner:EAST CHINA NORMAL UNIV

Alkaline hydrogen production bubble orthogonal separation electrolytic bath design method

PendingCN121896656ACellsElectrode shape/formsInherent safetyChemical physics
The invention relates to a design method of an alkaline hydrogen production bubble orthogonal separation electrolytic bath, which comprises the following steps: forming a sunken concave area on one side, deviating from a reaction electrode, of a hydrogen side porous bipolar plate and an oxygen side porous bipolar plate through machining; outer side main gas chambers are further arranged on the sides, deviating from the reaction electrodes, of the hydrogen side porous bipolar plate and the oxygen side porous bipolar plate, a full-flow-channel structure is formed between the inner side faces of the oxygen reaction electrode and the oxygen side porous bipolar plate, and an anode auxiliary gas chamber is formed; a full flow channel structure is formed between the hydrogen reaction electrode and the inner side surface of the hydrogen porous bipolar plate to form a cathode auxiliary gas chamber; a pore array is arranged on the hydrogen side porous bipolar plate and the oxygen side porous bipolar plate in a penetrating manner; and the design of the alkaline hydrogen production bubble orthogonal separation electrolytic cell is completed. According to the electrolytic cell designed by the invention, formation of local hot spots is avoided, the internal safety of operation of the electrolytic cell is improved, and the service life of the core assembly is prolonged.
Owner:CHONGQING UNIV

Method for improving efficiency of hydrogen evolution from water electrolysis and method for characterizing efficiency of hydrogen evolution from water electrolysis

The application discloses a method for improving water electrolysis hydrogen evolution efficiency and a water electrolysis hydrogen evolution efficiency characterization method. A block polymer is added to an electrolyte to strengthen hydrogen bubble desorption on a hydrogen evolution electrode surface, so that the water electrolysis hydrogen evolution efficiency is improved. By introducing a trace amount of block polymer, the application effectively reduces hydrogen bubble adhesion on a platinum electrode surface, promotes rapid desorption, and improves the water electrolysis hydrogen evolution efficiency. The hydrogen bubble desorption quantitative characterization method based on voltage fluctuation analysis is established, and the characterization method can be completed on a conventional electrochemical workstation without high-speed photography or microscopic imaging. The characterization result is intuitive and reliable, and the operation is simple, so that the method is convenient for industrial application and process monitoring.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Drug-loaded magnesium-based micro-nanorobot and endoscope-guided micro-nanorobot delivery system

The application discloses a drug-loaded magnesium-based micro-nano robot and an exogenous image auxiliary guided micro-nano robot delivery system, and belongs to the field of micro-nano robots. The method comprises the following steps: preparing a magnesium powder with a micron size as a main body magnesium-based drug-loaded micro-nano robot, and using hydrogen bubbles generated by the reaction of a bare magnesium notch and H+ in the environment as a self-driven driving source; establishing a stab card at an abdominal cavity part of an animal body, which is used for the insertion of an optical fiber endoscope and the injection of a magnesium-based positive and negative type micro robot in a tumor; and after the position of the tumor is found, the self-driven characteristics of the micro robot are used to inject the drug-loaded micro robot into the tumor, so that a high drug delivery effect is achieved. The magnesium-based micro-nano robot has the characteristics of a simple preparation method, good biocompatibility and self-driving, has a good application prospect in the field of cancer treatment, and improves the treatment effect of cancer.
Owner:HARBIN INST OF TECH

Electrolysis method for improving hydrogen solubility through wave hydrogen mixing

The invention relates to the technical field of electrochemical preparation of a water body containing dissolved hydrogen, and discloses an electrolysis method for improving hydrogen solubility by wave hydrogen mixing, which comprises the following steps: S1, adding a water source into an electrolytic bath to form an electrolyte system; s2, heating the electrolyte system to a target temperature and keeping the temperature; s3, applying electric energy to the electrolyte system for electrolysis; s4, a periodic fluctuation flow field and periodic pressure waves are formed in the wave structure action area through the diaphragm pump; s5, carrying out crushing treatment on the hydrogen bubbles; s6, enabling the micro-nano hydrogen bubbles to be in contact with the electrolyte system in the dissolving area and dissolving the micro-nano hydrogen bubbles; and S7, the concentration of dissolved hydrogen is detected on line, and pulsating flow parameters output by the diaphragm pump are adjusted. Pulsating flow is provided through a diaphragm pump, a hydrogen-containing gas-liquid mixture flows through a wave structure acting area, a periodic fluctuation flow field and pressure waves are formed, breaking is carried out, meanwhile, the dissolved hydrogen concentration is detected and adjusted, the dissolving process is in a controllable state, and the dissolved hydrogen concentration is kept within a preset target range.
Owner:NINGXIA VOCATIONAL & TECH COLLEGE (NINGXIA OPEN UNIV)

An integrated hydrogen bubble water companion device

ActiveCN224430342UWater useThermodynamics
This invention provides an integrated hydrogen bubble water companion device, including a base and a housing. The housing is mounted on the upper surface of the base, and a main component is housed inside the housing. The main component includes an electrolytic water tank, an electrolytic cell, a circulation pump, a hydrogen mixing pump, a resin filter, and a water pump. The electrolytic water tank, electrolytic cell, circulation pump, hydrogen mixing pump, and resin filter are all mounted on the base. This invention features a compact overall structure and is equipped with an automatic rotating faucet for greater ease of use. Multiple pressure-reducing valves effectively enhance the user experience and ensure stable water output, meeting the needs of different homes and offices and offering greater applicability. Furthermore, the device is equipped with a TDS probe to accurately detect resin filter failure, thereby better ensuring water safety in the electrolytic cell and extending the device's lifespan.
Owner:HUDSON FRP SHENZHEN

Micro-nano hydrogen bubble generating device for bubble bath

The utility model relates to a micro-nano hydrogen bubble generating device for bubble bath, and belongs to the technical field of flow state mixing machines. The device comprises a pair of double pumps connected in parallel and a gas mixing tank, inlets of the double pumps are communicated with a container containing bath foam through pipelines, and the gas mixing tank is provided with a liquid inlet, a gas inlet and a liquid outlet; an outlet of the double pump is connected with a liquid inlet of a gas mixing tank through a pipeline, a gas inlet of the gas mixing tank is externally connected with a hydrogen source, a liquid outlet of the gas mixing tank is connected with a throttling bubbler, a three-section passage and a metal net which are communicated with each other are arranged in the throttling bubbler, and an outlet end of the throttling bubbler is communicated with a container for containing bath foam through a pipeline. According to the device, bubble bath liquid is firstly compressed and then expanded to generate a large number of micro-nano bubbles through three sections of passages of reducing, equal-diameter and expanding, and then the micro-nano bubbles in the bubble bath liquid are further refined and uniformly distributed through cutting of the metal net, so that enough micro-nano hydrogen bubbles are formed by the bubble bath liquid.
Owner:DALIAN SHUANGDI TECH

Hydrogen bubble food upgrade generator

This utility model relates to a hydrogen bubble food upgrade generator, including a first housing and a second housing connected to the first housing, and an electrode group composed of several positive and negative electrode plates disposed in the cavity formed by the first and second housings. The first and second housings have communicating holes for the medium to enter the cavity and contact the electrode group. The first housing is fixedly connected to the second housing via a quick-release structure. At least a portion of the quick-release structure is disposed in the first housing, and the remaining portion is disposed in the second housing. After being rotated to the correct position in a first rotation direction, the at least portion and the remaining portion cooperate with each other, fixing the circumferential and axial dimensions of the first and second housings together. The advantages are: compared to the prior art, this quick-release structure allows for quick manual assembly and disassembly of the first and second housings by rotation, significantly shortening operation time and eliminating the need for tools; simultaneously, after being rotated to the correct position, it reliably locks the axial and circumferential positions between the housings, effectively preventing loosening or misalignment due to vibration during operation, thus improving the stability of the equipment.
Owner:ZHEJIANG MINGSHUO ENERGY SAVING TECH

Current-electricity coordinated regulation ultrasonic composite electrolytic machining device and method

The invention relates to the technical field of electrolytic machining, and discloses a flow-electricity coordinated regulation ultrasonic composite electrolytic machining device and method.The flow-electricity coordinated regulation ultrasonic composite electrolytic machining device comprises a sealing clamp which comprises a clamp upper cover plate, a clamp lower cover plate and a multistage porous electrode arranged between the clamp upper cover plate and the clamp lower cover plate; the flow control electrode and the electricity control electrode are laminated to form the multi-stage porous electrode, the multi-stage porous electrode has the liquid supply function and the tool cathode function, full-area dead-corner-free liquid supply of the machining gap can be achieved through the micropore flow channel, a uniform flow field is formed, fresh electrolyte is supplemented, hydrogen bubbles and electrolytic products are discharged, and it is guaranteed that materials are evenly dissolved and machining consistency is achieved; stray corrosion is avoided and the processing locality is improved by virtue of a micropore reconstruction electric field, a homogenization corner and a normal vector change area electric field, meanwhile, ultrasonic vibration is matched to strengthen electrolyte updating and precisely and cooperatively regulate and control a flow field and the electric field, the problems of local liquid shortage and difficult product discharge in traditional processing are solved, the method can be adapted to processing of various micro grooves, the flexibility is high, and the processing efficiency is high. And therefore, the machining precision and stability are greatly improved.
Owner:宿州学院

Method for in-situ preparation of CeO2-based corrosion-resistant super-hydrophobic coating on surface of copper-coated steel electrode

The invention discloses a method for in-situ preparation of a CeO2-based super-hydrophobic corrosion-resistant coating on the surface of a copper-coated steel electrode, and relates to the technical field of material chemistry and electric power engineering, and the method comprises the following steps: pretreating a copper-coated steel sample; preparing an electrolyte containing cerium salt, and electrochemically depositing a CeO2 coating with a porous structure on the surface of the copper-coated steel sample under a constant current condition by adopting a three-electrode system; and the copper-coated steel electrode coated with the CeO2 coating and a long-chain perfluorinated compound are placed in a closed container, heat treatment vapor deposition is carried out, and the super-hydrophobic copper-coated steel material is obtained. According to the method, the problem that a stable and durable super-hydrophobic coating cannot be efficiently and simply prepared on the surface of a copper-coated steel electrode in an existing method is solved, hydrogen bubbles generated by a cathode in the reaction process are directly used as a pore-forming template, and pore-containing deposition of CeO2 is achieved. The copper-clad steel electrode is suitable for an electric grounding system, and the service life of the copper-clad steel electrode is prolonged.
Owner:SICHUAN SHUNENG ELECTRIC ENERGY TECH CO LTD

Optimization control system and method for hydrogen content in oxygen of alkaline water electrolysis hydrogen production system

PendingCN121653752ACellsSystem pressureHydrogen bubble
The invention discloses an optimal control system and method for the hydrogen content in oxygen of an alkaline water electrolysis hydrogen production system. According to the optimal control system, a cooling water flow regulating valve, an alkali liquor heat exchanger, an alkali liquor circulating pump, a heater, an alkali liquor flow meter, an alkali liquor flow regulating valve, a temperature transmitter, a pressure transmitter, a hydrogen-in-oxygen detection instrument, an oxygen outlet film regulating valve, a vacuum degassing device and a controller are correspondingly arranged on an alkali water electrolysis hydrogen production system; key technological parameters such as current density, alkali liquor flow, tank temperature and system pressure in the operation process of the alkaline water electrolysis hydrogen production system are integrally regulated and controlled, and meanwhile hydrogen bubbles dissolved in alkali liquor in an alkali liquor circulation system are cooperatively treated, so that the hydrogen content in finally output oxygen is further greatly reduced, the efficiency of reducing the hydrogen content in the oxygen by the system is remarkably improved, and the energy consumption of the system is reduced. The safety of the system is ensured, and the performance of the system is improved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Integrated water purification and hydrogen production device

PendingCN122627563AImprove the dissolution rangeincrease profitProcess engineeringEnvironmental engineering
The application provides an integrated water purification hydrogen production device, and belongs to the technical field of hydrogen water preparation. The device comprises a water purification tank, a hydrogen injection assembly, a first driving assembly, a hydrogen gas backfeeding assembly and a whipping assembly. One end of the hydrogen injection assembly extends to the outside of the water purification tank and is connected with a hydrogen generator, and the other end extends to the inside of the water purification tank. The first driving assembly is installed on the top of the water purification tank and is used to drive the hydrogen injection assembly to rotate in the water purification tank, so as to deliver hydrogen to different positions in the water body. Compared with the prior art, the embodiment of the application can whip and disperse the hydrogen bubbles delivered into the water body when hydrogen is produced in the water body, thereby improving the dissolution effect of hydrogen in the water body. After the hydrogen gas floats out of the water surface, the floated hydrogen gas can be backfed into the water body, so that the floated hydrogen gas participates in the hydrogen production process again, thereby reducing the waste of hydrogen and improving the utilization rate of hydrogen.
Owner:SHANDONG JIABEIKANG ELECTRONIC TECH CO LTD

Liquid composition for improving quality of life

The invention relates to a liquid composition capable of enhancing a cardiovascular system in a human body. This enables the cardiovascular system to effectively deliver blood rich in nutrition and oxygen to the whole body cells and to deliver hypoxic blood back to the lungs. The composition contains a nano hydrogen bubble component, and has the effects of resisting aging, inhibiting free radicals, preventing cell death and resisting inflammation. In addition, the composition comprises a hydrogen peroxide (H2O2) component, so that the composition is beneficial to inhibiting virus and bacterial infection, supplying oxygen to tissues and regulating the cell process and the cell viability.
Owner:坎·埃迪

An electrolytic water-based microthruster suitable for microsatellites

The present application relates to a kind of micro-propeller based on electrolytic water suitable for micro-satellite, the micro-propeller includes solar panel, power system, electromagnetic valve, combustion chamber and nozzle, the micro-propeller also includes electrolytic device, electrolytic water is generated hydrogen and oxygen by electrolysis technology using ion exchange membrane in orbit, and hydrogen and water separation and oxygen and water separation are achieved by adding gas-liquid separator;Between gas-liquid separator and oxygen storage tank and between gas-liquid separator and hydrogen storage tank, gas bubble breaker is also respectively equipped, and the oxygen or hydrogen bubble still existing is broken down, so that oxygen or hydrogen is released.The present application solves the problem that gas-liquid is not easy to separate in space due to the absence of gravity by designing and adding gas-liquid separation device and bubble breaker in micro-propeller based on electrolytic water, and realizes the combustion of hydrogen and oxygen generated by electrolytic water as the thrust of micro-propeller.
Owner:NAT SPACE SCI CENT CAS

Reaction device suitable for reducing oxygen-silicon atomic ratio of silicon powder

The utility model discloses a reaction device suitable for reducing the oxygen-silicon atomic ratio of silicon powder, the bottom of a reaction tank is provided with an inert gas interface for introducing inert gas, preferably nitrogen, into the reaction tank, and the inert gas moves upwards from the bottom to promote the dissipation of hydrogen, so that the reaction efficiency is improved, and the oxygen-silicon atomic ratio of the silicon powder can be efficiently reduced; a hydrogen concentration detector is arranged at the top of the reaction tank, the hydrogen concentration detector can efficiently detect the concentration of hydrogen in the reaction tank, when the hydrogen concentration is reduced to zero, it can be judged that the reaction is completed, the reaction process can be efficiently and accurately judged through hydrogen concentration detection, and the reaction accuracy is improved; the stirring paddle is uniformly provided with a plurality of stirring holes, the stirring holes are through holes, and the stirring paddle provided with the stirring holes can efficiently puncture hydrogen bubbles in the stirring movement process, so that the dissipation efficiency of hydrogen is improved, and the reaction efficiency is improved.
Owner:HENGYAN (WUXI) NEW MATERIAL CO LTD

Hydrogen injection device for pressurized water reactor primary loop based on micro / nano bubbles

This invention provides a hydrogen injection device for the primary loop of a pressurized water reactor based on micro / nano bubbles, comprising: a hydrogen supply device and a microbubble generating device; the microbubble generating device includes a Venturi tube, the two ends of which are connected to the primary loop of the pressurized water reactor, and the hydrogen supply device is perpendicularly connected to the middle of the Venturi tube. The Venturi tube breaks up the injected hydrogen bubbles into micro / nano bubbles. The hydrogen injection device disclosed in this invention utilizes the structural characteristics of the Venturi tube to break up the injected bubbles into micro / nano bubbles, significantly improving mass transfer efficiency, accelerating the dissolution and mass transfer process of hydrogen in the coolant, reducing the space occupied by equipment and pipelines, and contributing to the miniaturization of reactor auxiliary equipment.
Owner:SHANGHAI JIAOTONG UNIV