136results about How to "Improve electrolysis efficiency" patented technology

The invention provides a water electrolysis hydrogen production system and a control method thereof.The water electrolysis hydrogen production system comprises a water tank, a heat exchanger, an electrolytic bath and a hydrogen-water separator which are sequentially connected through a pipeline, and further comprises a water quality optimization branch, a water inlet end and a water outlet end of the water quality optimization branch communicate with the water tank; the system further comprises a branch variable frequency pump and a resin tank; the first drainage valve is arranged on a drainage pipeline communicated with the drainage port of the water tank; an inlet conductometer and an anode thermometer to detect a first real-time conductivity and real-time temperature of liquid entering the anode input end of the electrolytic cell; the outlet conductivity meter is used for detecting the second real-time conductivity of fluid flowing out of the oxygen output end of the electrolytic bath, and controlling the operation of the branch variable frequency pump and the opening and closing of the drain valve according to the first real-time conductivity, the real-time temperature and the second real-time conductivity; the problem that the service life of an electrolytic cell is short due to the water quality problem of a water electrolysis hydrogen production system in the prior art is solved.

The invention discloses an optimal control system of a multi-class coupling hydrogen production system based on wind-solar complementation, and relates to the technical field of industrial hydrogen production, an energy source module of the system monitors external environment data in real time, generates a first data set, provides key wind energy and solar energy information for the system, facilitates energy supply prediction, and improves the energy utilization rate. The wind-solar cooperative control module carries out complementary adjustment according to the first data set, the power output efficiency is maximized, the energy utilization rate is further improved, and therefore the overall performance of the hydrogen production system is improved; the electrolytic hydrogen production data acquisition module monitors electrolytic state data in real time, establishes an energy data set, provides key parameters in the electrolytic hydrogen production process for the system, and is beneficial to comprehensively understanding the state of an electrolyzer. The supply fluctuation analysis module obtains a supply evaluation index Gyzs through feature extraction and machine learning calculation, deep analysis of the supply condition is achieved, and a basis for intelligent decision making is provided for the system.

The invention relates to the field of water electrolysis hydrogen production, and discloses a bipolar plate, a PEM electrolytic bath, a PEM fuel cell and a new energy vehicle, the bipolar plate comprises a bipolar plate body, and the bipolar plate body is provided with a water inlet channel, a water outlet channel and a first reaction tank; the first reaction tank is formed on the anode side surface of the bipolar plate body and is sequentially divided into a water inlet distribution area, an anode reaction area and a water outlet confluence area along the length direction of the bipolar plate body, the water inlet channel is communicated with the water inlet distribution area, the water outlet channel is communicated with the water outlet confluence area, and the water inlet channel and the water outlet channel are staggered in the length direction of the bipolar plate body; the water inlet distribution area is provided with a shunting direct connection section which is aligned and communicated with the water inlet channel and a shunting dislocation section which is staggered with the water inlet channel in the length direction of the bipolar plate body, a first shunting flow channel is formed in the shunting direct connection section, a second shunting flow channel is formed in the shunting dislocation section, and the circulation resistance of the first shunting flow channel is greater than that of the second shunting flow channel. The bipolar plate provided by the invention has good electrolytic efficiency and performance.

The invention discloses an efficient difunctional alkaline electrolysis water electrode which comprises a nickel net, an N deposition layer is deposited on the surface of the nickel net, and a NiFeW alloy layer is deposited on the surface of the N deposition layer. The invention further discloses a preparation method of the electrolyzed water electrode. The preparation method comprises the following steps: pre-treating the nickel net substrate; dissolving a nickel salt, a conductive salt and an additive in water to obtain a nickel electrodeposition solution; dissolving a nickel salt, an iron salt, a tungsten salt and an additive in water to obtain a nickel-iron-tungsten electro-deposition solution; and then the nickel net substrate is placed in a nickel electrodeposition solution to be subjected to constant-current deposition, a first electrode of an N deposition layer loaded on the nickel net substrate is obtained, the first electrode is placed in a nickel-iron-tungsten electrodeposition solution to be subjected to constant-current deposition, an N < iFeW > alloy layer loaded on the N deposition layer is obtained, and a finished electrode is obtained. The method has the advantages of low hydrogen evolution overpotential, low oxygen evolution overpotential, good stability, short-time deposition at room temperature, simplicity, easiness in control and low cost, and can be expanded to actual industrial application.

The invention relates to the technical field of temperature early warning management, in particular to an electrolytic bath temperature central monitoring and early warning system. The system comprises an in-tank temperature frequency domain analysis module, an in-tank temperature and energy consumption influence analysis module, an in-tank electrolytic strength abnormity response adjustment module, an in-tank temperature over-low abnormity early warning adjustment module and an in-tank iterative execution influence analysis module. Temperature sensors are arranged at key positions in an electrolytic cell to monitor temperature signal distribution in the cell in real time and carry out frequency domain analysis, and meanwhile, corresponding current and voltage are obtained, electrolyte energy consumption analysis and time sequence influence analysis are carried out, and a time sequence correlation influence degree is obtained; and if the conditions are gradually increased and the temperature fluctuation is increased, designing and implementing an energy consumption abnormity response measure, if the conditions are gradually reduced and the temperature fluctuation is reduced, designing and implementing a temperature abnormity response measure, and if the conditions are judged to be other conditions, continuing to iteratively execute the time sequence influence analysis. The stability and quality of the electrolysis process can be guaranteed.

The invention provides a preparation method of an MXene-based alkaline electrolytic water hydrogen production electrode. The preparation method comprises the following steps: 1, pretreatment of a base material: cleaning impurities on the base material, drying, and carrying out sand blasting roughening treatment; secondly, first metal powder and second metal powder are weighed and mixed according to a certain proportion to be guided into a powder mixing machine, vacuum drying is conducted after mixing treatment, third metal powder is prepared, the first metal powder is MAX phase powder, and the second metal powder is one or more of metal simple substances or alloys used for water electrolysis hydrogen production; thirdly, third metal powder is deposited on the surface of the pretreated base material through the plasma spraying technology, and a composite coating is obtained; 4, immersing the base material treated in the step 3 into an activation solution for activation; 5, after activation is finished, the base material is taken out and dried, and then the electrode is obtained.The method optimizes the conductivity and hydrophilicity of the electrode, and the diversity of the morphology of a plasma spraying electrode coating is improved.

The invention discloses a raw coal flotation-electrolysis combined quality-based resource utilization method, which relates to the technical field of coal separation, and comprises the following steps: crushing and grinding raw coal, and carrying out flotation separation to obtain clean coal and tailing slurry; mixing the tailing slurry and a sodium hydroxide solution as an anolyte, carrying out electrolysis by taking the sodium hydroxide solution as a catholyte, and carrying out cathode reduction to obtain hydrogen; filtering, separating, washing and drying the anolyte to obtain an inorganic salt product; mixing the filtrate and the washed solution, concentrating, acidifying until the pH is equal to 3, filtering, washing and drying in vacuum to obtain water-insoluble acid; and acidifying the filtrate until the pH value is 1.5, and carrying out extraction, concentration and vacuum drying to obtain the solid water-soluble acid. According to the method, flotation and electrolysis are combined, the utilization efficiency of coal resources is improved, the technological process is simplified, the cost is reduced, the overall economic benefit is improved through a byproduct high-value product, and a more environment-friendly coal separation and utilization mode is achieved.

The invention discloses a proton exchange membrane electrolytic cell sealing bipolar plate, which belongs to the technical field of water electrolysis hydrogen production, and comprises a bipolar plate body, a water inlet, a water / oxygen outlet, a first hydrogen outlet, a second hydrogen outlet, a water / oxygen flow field area, a hydrogen flow field area, an anode closed sealing groove and an anode sealing ring, the first hydrogen outlet, the water / oxygen outlet, the second hydrogen outlet and the water inlet are positioned at the edge of the bipolar plate body and are through holes; the first hydrogen outlet and the second hydrogen outlet are diagonally arranged; the water inlet and the water / oxygen outlet are diagonally arranged; a water / oxygen flow field area is arranged on the anode surface of the bipolar plate body; a hydrogen flow field area is arranged on the cathode surface of the bipolar plate body; the anode closed sealing groove is formed in the anode surface of the bipolar plate body; and an anode sealing ring is arranged in the anode closed sealing groove. The water / oxygen flow field area and the hydrogen flow field area are optimally designed, so that water flow can be more uniformly distributed, and gas flow is enhanced.

The invention relates to a preparation method of a multilayer alloy net electrode for hydrogen production by alkaline electrolysis of water and the multilayer alloy net electrode, and the preparation method comprises the following steps: firstly, selecting an alloy electrode net material, then etching the alloy electrode net, and carrying out electrochemical etching by taking the alloy electrode net as an anode and an inert electrode as a cathode and using 0.5-5M acid liquor to prepare the multilayer alloy net electrode. The preparation method comprises the following steps: sequentially overlapping a first layer of pure nickel net with the mesh number of 80-200 and a second layer of etched alloy electrode net with the mesh number of 40-80 and a third layer of etched alloy electrode net with the mesh number of 20-40, carrying out vacuum sintering at 800-1400 DEG C for 2-5 hours, and finally stirring and drying in a polyethyleneimine aqueous solution. Compared with the prior art, the obtained electrode has the advantages of being low in cost, high in catalytic activity, fast in bubble removal, high in durability and stability and the like, effectively solves many problems of an existing alkaline water hydrogen production electrode, has a wide application prospect in the field of alkaline water electrolysis hydrogen production, can remarkably improve the water electrolysis efficiency and is beneficial to large-scale industrial production.

The utility model discloses an oxyhydrogen atomizing machine which comprises a water storage tank, an electrolytic bath, an oxygen water collector, a hydrogen water collector and two groups of gas path radiators, the water outlet end of the water storage tank is connected with the water inlet end of the electrolytic bath; the electrolyte enables water to be decomposed into oxygen and hydrogen under the action of direct current in the electrolytic bath; the oxygen output end of the electrolytic bath is connected with the water inlet end of the water storage tank through a group of gas path radiators, the oxygen output end of the water storage tank is connected with the oxygen water collector, and dried and cooled oxygen is obtained after separation by the oxygen water collector; the hydrogen output end of the electrolytic bath is connected with the hydrogen water collector through the other group of gas path radiators; and dry and cooled hydrogen is obtained after separation by the hydrogen water collector. The gas path radiator is additionally arranged at the gas output end of the electrolytic bath, gas electrolyzed by the electrolytic bath is pre-cooled and then separated through the water collector, finally, dry and pure hydrogen and oxygen are obtained, and influences on subsequent gas purity, the service life of equipment and safety are effectively avoided.

The invention discloses a bipolar plate for a water electrolyser with an annular water inlet, and relates to the technical field of water electrolysis hydrogen production, the bipolar plate comprises a pole frame area and a pole plate reaction area, the pole frame area is internally provided with an electrolyte flow field, a diversion trench, a liquid inlet and a liquid outlet, and the electrolyte flow field is of an annular structure surrounding the center of the bipolar plate; the annular structure enables water flow to uniformly enter each area of the polar plate reaction area through the diversion trenches, an annular flow channel is arranged on the outer side of the liquid inlet and is divided into an inner flow channel and an outer flow channel, the outer flow channel is communicated with the liquid inlet, and the diversion trenches communicated with the inner flow channel are uniformly distributed in the inner flow channel. The water inlets are arranged around the bipolar plate, so that water flow is uniformly distributed, the cooling efficiency is improved, the phenomenon of local overheating or insufficient cooling is reduced, the electrolyte is uniformly distributed on active sites on the surface of the motor, the electrolytic efficiency of the electrolytic water tank is improved under the high current density, and the device is suitable for various electrolytic tank systems; and the universality and the adaptability are improved.

The utility model belongs to the technical field of electrolytic baths, and particularly relates to a pure water hydrogen production PEM electrolytic bath structure which comprises an anode plate and a cathode plate, the anode plate is provided with an oxygen outlet and a water inlet, the water inlet is fixedly provided with a first connecting shell and a second connecting shell, the first connecting shell is symmetrically provided with connecting assemblies, and the second connecting shell is fixedly provided with a second connecting shell. A filter screen is arranged on the frame and located on one side of the water inlet. According to the utility model, pure water can be conveniently filtered by the filter screen, tiny impurities in the pure water can be intercepted by the filter screen, water flow containing the impurities is prevented from entering the electrolytic bath, when the filter screen is regularly cleaned, the first connecting shell is detached from the second connecting shell by operating the connecting assembly, and then the frame is pulled to move out of the second connecting shell, so that the filter screen is cleaned; the filter screen is arranged on the filter screen to clean impurities on the filter screen, blockage of the filter screen caused by impurity accumulation is avoided, adverse effects of mechanical impurities possibly contained in pure water on the electrolysis process are avoided by filtering the pure water, and the purity of hydrogen produced by the electrolytic bath is improved.

The invention discloses an anti-seepage brick for an electrolytic cell lining and a preparation method thereof, the anti-seepage brick comprises an aluminum silicate mixture, the aluminum silicate mixture is composed of at least three of pyrophyllite, flint clay, clay, silica, albite and potassium feldspar, a potassium silicate eutectic and a fine powder sintering aid are added, the materials are uniformly mixed, a binding agent is added for granulation, mechanical pressing molding is performed, and high-temperature sintering is performed; the aluminum silicate mixture is prepared from the following raw materials in parts by weight: 50 to 75 parts of pyrophyllite, 20 to 42 parts of flint clay, 1 to 8 parts of albite and 1 to 5 parts of potassium silicate eutectic. The invention relates to the technical field of anti-seepage bricks, and particularly provides an anti-seepage brick for an electrolytic cell lining and a preparation method of the anti-seepage brick.

The utility model relates to the technical field of printed circuit boards, and discloses circuit board micro-etching waste liquid copper recovery equipment which comprises an electrolytic tank, a top plate fixedly connected to the top of the electrolytic tank, a cover plate arranged on one side of the top of the top plate, a positive plate fixedly connected to the middle of the bottom of the top plate, and a support fixedly connected to the other end of the top of the electrolytic tank. The tops of the two supports are fixedly connected with the same cross plate, the two sides of the bottom of the cross plate are fixedly connected with sliding rods, the bottoms of the two sliding rods are fixedly connected to the top of the top plate, the circumferential surfaces of the two sliding rods are slidably connected with the same T-shaped plate, the two ends of the T-shaped plate are provided with round holes matched with the sliding rods, and the bottom of the T-shaped plate is fixedly connected with a negative plate. The device has the technical effects that a user does not need to manually and frequently collect copper on the negative plate, the device can automatically collect the copper, the labor intensity of the user is reduced, and the working efficiency of copper recovery is improved.

The invention discloses a method for improving alkaline water electrolysis hydrogen production efficiency by using electrolyte concentration difference, and belongs to the technical field of water electrolysis hydrogen production. The method comprises the following steps: adding KOH electrolyte with the concentration of 30wt% into the cathode region on one side of the diaphragm, and adding KOH electrolyte with the concentration of 35wt% into the anode region on the other side of the diaphragm; and electrifying the electrolytic bath, controlling the temperature to be 80-90 DEG C, and carrying out electrolytic reaction on the water under the action of the electric field. The hydrogen production efficiency of alkaline electrolyzed water is improved by utilizing the electrolyte concentration difference, the hydrogen production efficiency and the hydrogen purity can be improved, the energy consumption and the equipment cost can be reduced, the reliability and the durability of the system are improved, meanwhile, the environmental influence is reduced, and a positive role is played in promoting the production and the application of green hydrogen.

The invention discloses a pulse dynamic electrochemical mechanical composite polishing method which comprises the following steps: step 1, preparing a polishing medium with an electrochemical thickening effect, the polishing medium being formed by mixing a dispersion medium, a dispersion phase, an electrolyte, an additive and an abrasive; secondly, a polishing medium is placed in a polishing groove, and a workpiece is fixed to a connecting shaft of a polishing device through a pneumatic clamp; thirdly, the positive electrode of a pulse power source is connected with the connecting shaft through a wire, and the negative electrode of the pulse power source is connected with the polishing groove through a wire; fourthly, a multi-dimensional coupling vibration device is fixedly connected with the polishing groove through an insulation connecting body, and the vibration frequency, the vibration amplitude, the voltage, the duty ratio and the frequency of a pulse power source are set; and fifthly, the polishing medium is subjected to the directional vibration effect of the multi-dimensional coupling vibration device. By setting a programmable vibration direction, a polishing medium is directionally induced to generate a shear thickening effect and an electrochemical oxidation effect on the surface of a specific workpiece, so that localized removal of a material is realized.

The invention relates to the technical field of electrolysis devices, in particular to a rare earth electrolysis device. Comprising an electrolytic tank and a back frame connected with the electrolytic tank, the back frame is provided with a reciprocating driving module, the reciprocating driving module is in transmission connection with an electrolytic frame capable of moving up and down in a reciprocating mode, the electrolytic frame is rotationally connected with a transposition cylinder, the back frame is provided with a transmission module, the transposition cylinder is driven by the transmission module, and the inner side of the transposition cylinder is provided with a discharging cylinder; a discharging opening is formed in the top of the discharging barrel, and an electrolytic material discharging assembly is installed in the discharging barrel. The device has the beneficial effects that when the device works, on one hand, the replacement contact rate and the electrolysis efficiency of the anode bar and the cathode bar with electrolyte can be effectively improved through the rotary vibration working mode of the anode bar and the cathode bar, and on the other hand, the solution resistance can be effectively reduced through the rotary vibration mode; and in addition, during electrolysis operation, automatic discharging of metal separated out of the cathode bar can be achieved, and then the functionality of the device is effectively improved.

The invention relates to the technical field of oxide electrolysis, in particular to an electrolysis optimization method and system based on rare earth oxide physical property analysis, and the method comprises the steps: constructing a target physical property set, carrying out the physical property measurement of each blocky oxide in a blocky oxide group based on the target physical property set, and obtaining an oxide property group set, constructing a standard electrolysis data set, querying an optimal electrolysis parameter set corresponding to a target oxide in the standard electrolysis data set based on the oxide property set, electrolyzing a local oxide, recording an actual electrolysis efficiency factor, and determining a target electrolysis parameter set according to the actual electrolysis efficiency factor and a standard electrolysis efficiency factor; and summarizing the target electrolysis parameter groups to obtain a target electrolysis parameter group set. The electrolysis efficiency of the rare earth oxide can be improved, and the electrolysis cost is reduced.

The application discloses an electrolytic synthesis method of 3,6-dichloropicolinic acid, which comprises the following steps: S1, adopting a diaphragm electrolytic cell, taking an aqueous solution containing 3,4,5,6-tetrachloropicolinic acid and CO2 gas as the cathode liquid, taking an aqueous solution of alkali metal hydroxide as the anode liquid, taking a rhodium modified foam nickel electrode as the cathode, and taking a nickel-based material as the anode to perform an electrolytic reaction; and S2, after the reaction is completed, performing acid precipitation and filtration to obtain 3,6-dichloropicolinic acid. The cathode material is improved, the rhodium modified foam nickel electrode is used to replace the traditional silver mesh electrode, the three-dimensional porous structure of the foam nickel and the high catalytic activity of rhodium are utilized, the electrolytic efficiency is improved, the energy consumption is reduced, and meanwhile, the high product yield is maintained.

This invention provides a device for preparing activated water for stain removal and a graphite electrode. The device includes a housing with a cover plate on top. An electrode assembly is disposed inside the housing, comprising a cathode plate and an anode plate electrically connected to a power source. A gas storage space is formed between the cathode plate and the cover plate, and a water storage space is formed between the cathode plate and the anode plate. The cathode plate is located at the interface between the gas storage space and the water storage space, and is used to prepare activated water for stain removal at a preset potential. This invention ensures that the cathode plate is always at the water-vapor interface by directly backflowing water into the water storage cavity between the cathode and anode plates, resulting in a large contact area and high electrolysis efficiency. The water is electrolyzed to the required concentration of electrolyte, allowing for residue-free washing or sterilization of clothing. This method is environmentally friendly, non-toxic, residue-free, and harmless to human health.

The utility model discloses an electrolyzer and an electrode plate applied to the electrolyzer, a first flow guide area and a second flow guide area are formed on the surface of the electrode plate, and a fluid leading-in position and a fluid leading-out position which are distributed along a first direction are arranged on the periphery of the electrode plate. The fluid leading-in position and the fluid leading-out position are arranged on the two opposite sides of the first flow guide area and the second flow guide area respectively, the fluid leading-in position and the first flow guide area are arranged correspondingly, and the fluid leading-out position and the second flow guide area are arranged correspondingly; the first flow guide area is provided with a plurality of first protruding parts in a protruding mode, the second flow guide area is provided with a plurality of second protruding parts in a protruding mode, and the distribution density of the first protruding parts is larger than that of the second protruding parts. According to the technical scheme, the flow conductivity of the electrode plate is improved, so that the flow distribution effect of electrolyte on the surface of the electrode plate is improved, and the effective electrolysis area of the electrode plate is increased.

The utility model discloses a kind of Faraday electrode for electrolytic pure water, it is related to Faraday electrode technical field, including cathode and anode, cathode and anode are all adopted spiral structure, and cathode and anode are adopted by screwing between, two electrodes are all set as spiral structure, and two screwing installation, increase the surface area of electrode and reduce electrode spacing, reduce solution resistance value between electrode, improve electrolytic efficiency, to be used for electrolysis of pure water, while setting limit buckle, the fixation of two connecting pieces and the stability of spacing are realized.

The application discloses an electrochemical granulation electrode deintercalation lithium extraction membrane stack electrolysis equipment, which comprises an electrolysis tank and an electrode assembly; the electrolysis tank comprises a first side plate, a piece of side plate rubber pad, a plurality of tank bodies, another piece of side plate rubber pad, a second side plate and a first tank body rubber pad, an anion membrane and a second tank body rubber pad arranged in sequence between two adjacent tank bodies; the tank bodies are divided into anode tanks and cathode tanks, the anode tanks and the cathode tanks are arranged alternately in an X direction from the first side plate to the second side plate, and the number of the anode tanks is equal to that of the cathode tanks; and an elastic porous pad is laid on the inner cavity bottom wall of the tank body. The electrolysis equipment can realize efficient extraction of lithium resources in salt lake brine, has the advantages of high lithium recovery rate and current efficiency, and is convenient to install, maintain and observe and monitor in the lithium extraction process.

The invention provides a temperature regulation and control device of an electrolytic cell. The temperature regulation and control device comprises a temperature regulation pipeline and a temperature regulation area arranged on the outer side wall of a cell shell of the aluminum electrolytic cell; the heating pipeline is used for conveying the heated fluid medium; the cooling pipeline is used for conveying the cooled fluid medium; the heat supply module is used for heating a fluid medium; the cooling module is used for cooling a fluid medium; the control module is used for judging the heat variation of the aluminum electrolysis cell and controlling the power module to convey the fluid medium heated by the heat supply module to the temperature adjusting pipeline through the heating pipeline or controlling the power module to convey the fluid medium cooled by the cold supply module to the temperature adjusting pipeline through the cooling pipeline based on the heat variation. The temperature of the electrolytic cell is accurately regulated and controlled, the utilization rate of new energy is increased, waste heat of an energy production factory is used for regulating and controlling the electrolytic cell, and stable and efficient production and reduction of carbon emission in the electrolysis process are achieved while unstable green energy electric power is consumed.

The present invention discloses a device for dry electrolytic polishing, which includes a power device, a track motion device, a clamping device, a cathode medium device and a frame. The power device, the track motion device and the cathode medium device are all fixed on the frame, the eccentric shaft in the power device is connected to the sealed end of the linear bearing fixture in the track motion device, and the insulator in the clamping device is connected to the open end of the linear bearing fixture in the track motion device. During operation, the clamping device and the cathode conductive cylinder are connected to a DC power supply. The device converts the rotation of the power device into the circumferential translation of the clamping device through the track motion device. The clamping device clamps the workpiece and moves in the cathode medium device, so that the workpiece can fully contact with the solid medium, while eliminating the line layout problem of the DC circuit in the rotational motion. The device has a simple structure, is practical, and is green and environmentally friendly compared to traditional liquid electrolytic polishing.

The utility model discloses an efficient sodium hypochlorite electrolytic bath which comprises a bath body, a fixing plate is arranged on one side of the inner side of the bath body, a positive electrode tube and a negative electrode tube are arranged in the middles of the two ends of one side of the inner side of the bath body respectively, electrode connectors are arranged on one side of the positive electrode tube and one side of the negative electrode tube, and a motor is arranged in the middle of one side of the bath body. A stirring rod is arranged at the output end of the motor; through mutual cooperation of the motor, the gear A, the stirring rod, the gear B, the negative electrode tube and the rotating tube, when the device electrolyzes a sodium hypochlorite solution, the stirring rod can be controlled to rotate to stir the solution, so that the solution can be uniformly electrolyzed, the electrolysis efficiency is improved, and when the stirring rod stirs the solution, the two groups of brush plates can be driven to rotate, so that the electrolysis efficiency is improved. And the positive electrode tube and the negative electrode tube can be cleaned, so that electrolytic impurities are prevented from being adhered to the outer sides to influence the electrolytic effect of the device.

The invention discloses a doped nickel oxide-based material, a preparation method and application thereof, and a synthetic method of the doped nickel oxide-based material, and the synthetic method comprises the following steps: adding a nickel salt and an iron salt into an ethanol and oleylamine solution, fully stirring, transferring the solution into a reaction kettle for heating reaction, then carrying out centrifugal analysis and washing, and then calcining to obtain the doped nickel oxide-based material. And heating the obtained powder and thiourea in a tubular furnace to finally obtain the doped nickel oxide-based material. The synthesis method is mild in reaction condition and easy to operate, the electron and structural properties of nickel oxide are changed through doped metal iron and non-metal sulfur atoms, the conductivity of the system is improved, then the doped nickel oxide-based material can efficiently electrolyze water under the alkaline condition, and the method can be applied to an anode material of alkaline electrolyzed water.

The application relates to the technical field of aluminum electrolytic cells, and provides a heat energy recycling treatment system for anode gas of an aluminum electrolytic cell, which comprises an aluminum electrolytic cell, a plurality of anodes are arranged in the aluminum electrolytic cell, a plurality of through holes are arranged on each anode, a gas collecting pipe connected with each through hole is arranged on the top of the anode, the gas collecting pipe is connected with an air inlet of a heat exchanger, the heat exchanger comprises a heat preservation shell, an air inlet, an air outlet, a water inlet and a water outlet are arranged on the heat preservation shell, a heat storage medium, an air pipe and a water pipe are arranged in the heat preservation shell, the two ends of the air pipe are connected with the air inlet and the air outlet respectively, the two ends of the water pipe are connected with the water inlet and the water outlet respectively, the heat storage medium is filled in the heat preservation shell, the water inlet is connected with an external cold water source, and the water outlet sends heated hot water to a user water place through a supply pipeline. The heat energy carried by the discharged anode gas can be recycled and utilized, and energy can be saved.

This utility model provides an electrolytic generator and hot water equipment for supplementing minerals. The electrolytic generator includes a shell, a mineral filter element, and an electrode module. The shell is connected to an inlet pipe and an outlet pipe. The electrode module is connected to the shell. The mineral filter element is disposed in the shell and includes a cover plate and a filter element body. The cover plate and the filter element body are detachably connected. The filter element body contains minerals and is connected to the shell. The detachable connection between the cover plate and the filter element body allows for adjustment of the type and quantity of minerals and facilitates replacement of minerals. While supplementing the mineral element content of the water, it also increases the ion concentration of the water. Electrolysis of the incoming water increases the hydrogen and oxygen content of the water.

The invention relates to a continuous production device and method of perfluorotributylamine, and belongs to the field of perfluorotributylamine preparation and fluid working system. In the process, tributylamine and hydrogen fluoride are in a mass ratio of 24-30kg:200-230kg, hydrogen fluoride is first added to an electrolytic cell, and then tributylamine is added; before the reaction, the air in the electrolytic cell is replaced by nitrogen, and the air is replaced by nitrogen for preliminary mixing and preparing electrolyte; then a low-voltage current is passed to carry out an electrolytic replacement reaction, and the reaction pressure is controlled at 0.1-1.5MPa and the temperature is controlled at 5-15°C; by controlling the reflux distribution of the circulating liquid and the single circulation path, the product with a large specific gravity is deposited in the pipeline equipment, the reaction activity, the fluorination efficiency and the conversion rate are improved, and the electrolytic fluorination method is adopted, the reaction is mild and controllable, the process is simple, the efficiency is high, the impurities are few and easy to separate, and the scheme also provides a perfluorotributylamine preparation device, which is adapted to the preparation process thereof, and a perfluorotributylamine crude product with a purity of more than 80% is obtained under the conditions of simple reaction raw materials and simple reaction device.