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37 results about "Electrolysis - action" patented technology

Prediction method of critical depth in ultrasonic ELID composite grinding considering online electrolysis

The present application relates to precision machining technical field, especially for the critical depth prediction method of ultrasonic ELID compound grinding considering on-line electrolysis, including the following steps: S1: according to the process that single abrasive grain of grinding wheel in ultrasonic ELID compound grinding is exposed to the increasing radius of falling off, change curve is established, and single abrasive grain radius change model in ultrasonic ELID compound grinding is established;S2: selecting diamond abrasive grain of any radius on the above curve carries out ultrasonic ELID variable depth scratch test, and the brittle plastic transition critical depth of material is obtained;S3: repeating S2, using different radius abrasive grain carries out test, and the change curve of brittle plastic transition critical depth with the radius of abrasive grain is established and formula is fitted;S4: the model in S1, S3 and relationship are integrated, and the critical depth prediction model is established.The present application finally obtains the critical depth prediction method of ultrasonic ELID compound grinding considering on-line electrolysis, can adjust the grinding depth in grinding in real time, realizes the ductile region grinding of maximum depth of cut.
Owner:HENAN POLYTECHNIC UNIV

A method for preparing indolines based on electro-organic synthesis

The application discloses a preparation method of an indoline compound based on organic electrosynthesis, and belongs to the technical field of pharmaceutical chemical engineering and related chemistry. The method uses simple arylamine and halogenated olefin as raw materials, and prepares the indoline compound under the electrolysis of an electrode, so that green and efficient synthesis of the indoline compound is realized. The method has the advantages of low cost, high selectivity, mild reaction condition, good functional group compatibility, wide substrate range and environmental friendliness. The indoline compound is an important organic synthesis intermediate, and has a very wide application in the fields of fine chemical engineering and pharmacy. The preparation method has great application value and social and economic benefits.
Owner:LIUPANSHUI NORMAL UNIV

Energy storage and heat management integrated system

The invention provides an energy storage and heat management integrated system. The energy storage and heat management integrated system comprises a circulating pump, a heat radiator, a connecting pipeline, a fuel cell system and an energy supplementing storage battery pack, the circulating pump is used for driving cooling water to flow in the connecting pipeline; the cooling water is used for flowing through the high-power equipment to take away heat of the high-power equipment; the heat radiator is used for reducing the temperature of the cooling water; the fuel cell system is used for generating hydrogen and oxygen through electrolysis by taking the cooling water as a raw material, and the hydrogen and the oxygen are used for preparing electric energy; and the energy supplementing storage battery pack is used for storing the electric energy and providing the electric energy for the high-power equipment.
Owner:BEIJING INST OF ASTRONAUTICAL SYST ENG

A continuous silver plating production line

The application relates to the technical field of metal electroplating, in particular to a continuous silver plating production line which comprises a frame, a plurality of silver plating tanks which are arranged at intervals on the frame, water washing tanks which are respectively arranged at two ends of the frame, a plurality of electroplating rollers which are loaded with parts to be processed, and a moving crane which is used for grabbing the electroplating rollers and moving along the frame, the electroplating rollers are internally provided with cathode discharge devices, an anode placing box is arranged between two adjacent silver plating tanks, the moving crane can automatically transfer the electroplating rollers between the water washing tank at a feeding end, the plurality of silver plating tanks and a water washing tank at a discharging end along the frame, and under the joint electrolysis of the anode placing box and the cathode discharge devices, a silver plating layer with uniform thickness is formed on the surface of the parts, and the application has the characteristics of improving production efficiency.
Owner:TAICANG SHIMEI ELECTROPLATING CO LTD

Metal surface alloying treatment method, metal interconnection layer side wall alloying treatment method, metal interconnection layer and display panel

PendingCN121700474AThiocarboxylic acidElectrolytic agent
The invention relates to a metal surface alloying treatment method, a metal interconnection layer side wall alloying treatment method, a metal interconnection layer and a display panel. The treatment method comprises the following steps: preparing an acidic electrolyte containing first metal ions, and carrying out electrolytic treatment on the electrolyte by taking second metal as a cathode; in the electrolytic treatment process, an inhibitor is added into the electrolyte; wherein the inhibitor comprises a thiocarboxylic acid material, and the reducibility of the second metal is higher than that of hydrogen. First metal ions are firstly deposited to form loose first metal; and a small amount of ions are also dissolved out from the second metal and are continuously subjected to atomic-level co-deposition with the ions of the first metal under the electrolysis action, a uniform alloy layer is formed, and alloying treatment of the surface of the second metal is achieved. The added inhibitor is gradually decomposed, the dielectric constant of the electrolyte is gradually reduced, and the codeposition reaction is automatically terminated when the dielectric constant is reduced to a certain value. Therefore, the method does not need high-temperature treatment, and the alloying treatment effect is controllable and stable.
Owner:GUANGZHOU GOVISIONOX TECH CO LTD +1

Electroosmosis and electrolysis combined treatment double-layer foundation reinforcing device and reinforcing method

The application discloses a kind of electroosmosis and electrolysis combined treatment double-layer foundation reinforcing device and reinforcing method, including several electrolytic devices inserted in foundation, the electrolytic device includes drain pipe and pile, drain pipe and pile in adjacent electrolytic device are staggered distribution, the drain pipe is connected cathode, the drain pipe is communicated with drainage passage, the pile is connected anode, when low potential is passed, electrolytic desaturation is carried out to foundation by electrolytic device, then potential is increased, electroosmosis is carried out to foundation, and electrolysis and electroosmosis are repeatedly alternated in this way.The application uses electroosmosis and electrolysis combined foundation reinforcement, can efficiently utilize electric energy, save cost, effectively reduce foundation treatment time, improve reinforcing effect, when electroosmosis plays a leading role in soft soil layer, electrolysis in sandy soil layer still continuously occurs;When electrolysis in sandy soil layer is dominant, electroosmosis in soft soil foundation still occurs, which helps continuous drainage.
Owner:HOHAI UNIV

A composite material composition for groundwater remediation, a composite material and a preparation method and application thereof

The present application relates to the technical field of sewage treatment, and discloses a composite material composition for groundwater remediation, a composite material, and a preparation method and application thereof.The composition contains modified nano zero-valent iron, cobalt chloride modified biochar, attapulgite, persulfate, and a binder; the mass ratio of the modified nano zero-valent iron, the cobalt chloride modified biochar, the attapulgite, the persulfate, and the binder is 1:2-6:0.5-1.5:1-3:16-40.The composite material provided by the present application forms a micro-electrolysis environment by using carbon nitride modified nano zero-valent iron and cobalt chloride modified biochar, can effectively improve the selectivity and removal rate of target pollutants, and can continuously play the roles of adsorption, Fenton-like catalytic oxidation, and micro-electrolysis in the process of treating contaminated groundwater after being embedded by the binder, so that the purpose of efficiently removing pollutants in groundwater is achieved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A cleaning device based on a chemical vapor deposition reactor and a residue recovery structure thereof

The application relates to the technical field of chemical vapor deposition equipment, and discloses a cleaning device based on a chemical vapor deposition reactor and a residue recovery structure thereof, which comprises a CVD reactor 1, a reaction part 2 is arranged in the CVD reactor 1, the reaction part 2 is a basic bearing and process adaptation structure of the CVD reactor 1, provides a temperature environment required by reaction, assists in gathering residues to a recovery area, provides an electrode basis for subsequent vacuum electrolytic cleaning, the reaction part 2 comprises a heating plate 21, the heating plate 21 is installed in the CVD reactor 1 in the form of an annular array, two cross beams 22 are connected in the CVD reactor 1, a guide plate 23 is symmetrically installed between the two cross beams 22, oxidative free radicals are generated by the vacuum electrolysis effect of a spiral electrode to oxidize metal oxide residues, ultraviolet lamps and a light-transmitting column array form global photolysis irradiation, and the two cooperate to realize efficient decomposition of multiple types of residues such as carbon-based and metal-based residues, and the problem of poor adaptability of traditional single cleaning technology is solved.
Owner:SUZHOU SHIKETAI NEW MATERIAL TECH CO LTD

Water electrolysis device and water electrolysis washing machine

The utility model belongs to the technical field of water electrolysis, and particularly relates to a water electrolysis device which comprises a first electrolysis electrode, a second electrolysis electrode, an electrolysis power source and an intermediate conductor, an electrolysis gap is reserved between the two electrolysis electrodes, and the intermediate conductor is arranged between the two electrolysis electrodes as a conductive medium. The electrolysis current between the two electrolysis electrodes is conducted through water in the electrolysis gap and the middle conductor so as to electrolyze the water in the electrolysis gap, and the two electrode carriers can rotate relatively; the utility model further provides an electrolyzed water washing machine using the electrolyzed water device, the first electrode carrier is a washing impeller, and the second electrode carrier is a washing inner barrel. According to the water electrolysis device, the effective electrolysis action area of the water electrolysis device is increased, meanwhile, the problem that bubbles generated by an existing water electrolysis device are prone to being attached to electrolysis electrodes is solved, the water electrolysis efficiency is improved, and therefore the water electrolysis efficiency of the water electrolysis washing machine is improved, and the stain removal and sterilization effects are improved.
Owner:JIAO ZUO SHI HONG BO KE JI YOU XIAN GONG SI

Preparation method of microbial carrier filler suitable for low temperature environment, microbial carrier filler and application thereof

The embodiment of the application relates to the technical field of sewage treatment, in particular to a preparation method of a microbial carrier filler suitable for a low-temperature environment, a microbial carrier filler and application thereof. In the process of sewage treatment by the microbial carrier filler prepared by the method provided in the embodiment of the application, the carrier skeleton material is prone to generate charges through friction under the conditions of flowing with sewage and aeration flushing. The heat-generating microelectrode material serves as a heat-generating electrode, can convert the friction-generated charges into a micro-current, and generate heat. Meanwhile, there is a micro-electrolysis effect between the positive and negative electrodes of the heat-generating electrode, so that an oxidation-reduction reaction occurs in an oxygen environment, and chemical heat energy is released, so as to further improve the temperature of the core reaction zone of the carrier material, create a temperature environment suitable for the growth and reproduction of microorganisms for the microorganisms attached to the surface of the microbial carrier filler in a low-temperature condition, and improve the rate of microbial degradation and removal of pollutants in water.
Owner:HYNAR WATER GRP CO LTD

Electrolytic arc complex / electrolytic integrated milling machining device and method

The application relates to an electrolytic arc composite / electrolytic integrated milling device and method, and belongs to the electrolytic arc composite and combined milling field. The device is a composite machining system composed of two tool electrodes, two groups of power supplies and two diodes. The system uses high-conductivity electrolyte as a working medium, and the two electrodes are respectively connected to the negative poles of the two groups of power supplies. During machining, the tube electrode located in front of the feeding direction is firstly cut in to perform electrolytic arc composite milling machining to remove a large amount of workpiece materials; and the rectangular electrode located in the rear of the feeding direction is synchronously fed to perform electrolytic machining to remove the recast layer generated by the electrolytic arc composite milling machining and to flatten the surface. The device aims to improve the participation of electrolysis in the electrolytic arc composite milling machining by using additional electrolytic power supplies and electrodes, thereby improving the machining efficiency and the surface quality of the workpiece.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

A composite slow-release material for repairing organic matter contaminated groundwater and a preparation method and application thereof

This invention relates to the fields of environmental protection and groundwater remediation technology, and discloses a composite slow-release material for remediating organically contaminated groundwater, its preparation method, and its application. The method includes: pretreatment of sludge; mixing sludge powder with RuCl3 solution, calcining with carbon dioxide to obtain modified biochar powder; calcining an organic nitrogen source to obtain carbon nitride powder; mixing cobalt salt, manganese salt, copper salt, ammonium fluoride, modified biochar powder, urea, and water, and reacting with sodium percarbonate to obtain a catalyst biochar material; mixing carbon nitride powder, catalyst biochar material, iron salt, and an oxygen-removing solvent, and reacting with a reducing agent to obtain modified nano-zero-valent iron; mixing modified nano-zero-valent iron, sodium percarbonate, and sodium persulfate, and adding to a binder to obtain the composite slow-release material. The composite slow-release material prepared by this method can continuously exert adsorption, Fenton-like catalytic oxidation, and micro-electrolysis effects to effectively remove pollutants from groundwater.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Water treatment device

To provide a water treatment device efficiently eliminating metal ions from hard water without using ion exchange resins.SOLUTION: A water treatment device 1 includes an electrolysis tank 10 including an anode chamber 15 provided with an anode 12, a cathode chamber 16 provided with a cathode 13 and a film 14 partitioning the anode chamber from the cathode chamber and permeating ions, and generating acidic water and alkaline water from the water to be treated by electrolysis. The water treatment device includes: a first electric conductivity measurement part 70 measuring an electric conductivity of water flowing in the anode chamber; a second electric conductivity measurement part 80 measuring an electric conductivity of water flowing in the cathode chamber; and a control part 100 controlling voltage or current between the anode and the cathode. The acidic water flows in the anode chamber, and the alkaline water flows in the cathode chamber. The control part decides time for finishing electrolysis control repeating constant current control and constant voltage control on the basis of at least one of an electric conductivity of water measured by the first electric conductivity measurement part and an electric conductivity of water measured by the second electric conductivity measurement part.SELECTED DRAWING: Figure 1
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Six-station double-tool-row diamond grinding machine

The invention discloses a six-station double-cutter-row diamond grinding machine, which belongs to the field of diamond processing, and comprises a machine table, a grinding disc rotationally connected to the upper end of the machine table, and a plurality of grinding assemblies arranged at the upper end of the machine table, the upper end of the machine table is further connected with an electrolytic finishing assembly. The electrolytic finishing assembly comprises a first support fixedly connected to the upper end of the machine table, an electric sliding ring connecting the first support with the grinding disc, a first hydraulic cylinder fixedly connected to the upper end of the first support, a second lifting base slidably connected to the inner side wall of the first support, an electrode fixedly connected to the lower end of the second lifting base, and a first liquid outlet pipeline fixedly connected to the interior of the electrode. The liquid storage tank and the first pump body are fixedly connected to the upper end of the first support; under the electrolysis action, the metal bonding agent wrapping the periphery of the abrasive particles is continuously corroded, so that the abrasive particles which are blunt can fall off from a base body at proper time; the chance that chippings are repeatedly rolled and welded on the surface of the grinding disc is reduced, so that secondary friction and heating caused by chipping adhesion are directly reduced, and the stability of diamond grinding is guaranteed.
Owner:HUBEI YUXING CRYSTAL JEWELRY CO LTD

Electrode couple for water softening and application method thereof

The invention relates to the technical field of water treatment, in particular to an electrode pair for water softening and an application method thereof.The electrode pair comprises a positive electrode and a negative electrode, and a water passing channel is formed between the positive electrode and the negative electrode; the positive electrode comprises a current collector as well as a supporting middle layer and a resin layer which are sequentially attached to the current collector, and the negative electrode comprises a current collector as well as a catalyst layer, a supporting middle layer and a resin layer which are sequentially attached to the current collector; the resin layer of the positive electrode is an OH-type anion exchange resin layer, and the resin layer of the negative electrode is an H + type cation exchange resin layer; the support middle layer comprises a binder and conductive powder with the particle size of 100-800 meshes; the catalyst layer includes a noble metal catalyst. The catalyst layer is arranged in the negative electrode, the reverse electrode is the positive electrode during regeneration, water is subjected to in-situ electrolysis under the action of an electric field to generate regenerated ions, and resin recovery is achieved together with the electrolysis action of the negative electrode during regeneration; and meanwhile, the supporting middle layer is matched, so that the adhesion stability of the resin layer is improved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Anticorrosive coating as well as preparation method and application thereof

The invention relates to the technical field of electrophoretic coatings, in particular to an anticorrosive coating as well as a preparation method and application thereof. The anticorrosive coating comprises: a porous oxide layer; the porous oxide layer is obtained by performing surface oxidation treatment on the surface of the metal base material by using an anodic oxidation liquid medicine; or the porous oxide layer is formed on the surface of the metal base material through electrolysis of the metal base material; the closed body is formed on the surface of the porous oxide layer; the closed body is obtained by performing surface closing treatment on the porous oxide layer by using a closing liquid; the confining liquid comprises a second acid solution, a second additive, an organic solvent and water; and the electrophoretic coating is formed on the closed body. The anti-corrosion coating has excellent adhesive force on a metal base material, and the adhesive force after aging is also excellent; in addition, the anticorrosive coating has excellent corrosion resistance, and especially has excellent electrolyte corrosion resistance, damp-heat aging corrosion resistance and copper ion accelerated salt spray resistance.
Owner:LUAN HANZHIHE NEW MATERIALS TECHNOLOGY CO LTD

Copper extraction agent system and method for recovering copper from waste printed circuit board

The invention provides a copper extraction reagent system and a method for recovering copper from a waste printed circuit board, and belongs to the technical field of hydrometallurgy. A copper extraction mechanism of adsorption-electrolytic activation-oxidation-complexing is constructed, the nitrogen-containing organic salt complexing precursor with a specific structure is adsorbed on the copper surface of the printed circuit board, chloride ions and active components with complexing ability are released in situ under the electrolytic action, and the copper extraction efficiency is improved. The copper chloride is rapidly combined with oxidized copper ions in a Fenton system constructed by calcium peroxide to form a stable water-soluble copper chloride complex, so that a cascade reaction from directional activation to efficient dissolution on the solid surface is realized; in addition, strong oxidizing hydroxyl free radicals generated by the Fenton system can deeply degrade organic pollutants in the system, namely nitrogen-containing micromolecular organic by-products generated in the electrolysis process of the nitrogen-containing organic salt complexing precursor with the specific structure, and the residual oxidation capacity of the reaction system is ingeniously utilized through the design; and terminal treatment is converted into in-situ degradation in the process.
Owner:CHANGCHUN GOLD RES INST

Laser electrolysis coupling current efficiency measuring device

The invention discloses a laser electrolysis coupling current efficiency measuring device, and the device comprises a high-precision power module which provides electric energy for an electrode system; the electrode system comprises a titanium alloy workpiece fixed by an anode clamp and a cathode stainless steel plate and is used for controlling a machining gap; the laser emitting and focusing system is used for adjusting laser power and focusing the laser to the surface of the workpiece; the electrolyte circulating system is used for conveying electrolyte to a processing area through a pump and a filter; the measuring instrument group is used for collecting current, voltage and electrolyte temperature data in real time; and the data acquisition and processing system is used for operating a multi-factor coupling analysis algorithm to separate the influence of laser and electrolysis on the current efficiency. According to the method, the precision of current efficiency measurement in laser electrolysis combined machining is improved, the influence of the laser effect and the electrolysis effect on the current efficiency is accurately separated, and the removal characteristic of the material in the laser-assisted electrolytic machining process is comprehensively and truly obtained, so that the machining quality and efficiency are improved.
Owner:SHANGHAI UNIV

A mobile integrated device and method for nitrogen and phosphorus removal and algae control

This invention discloses a mobile integrated device and method for nitrogen and phosphorus removal and algae control, comprising an above-water section and an underwater section. The above-water section consists of an anode biofilm formation zone, a cathode hydrogen production zone, and a spray-type water distribution zone, separated from bottom to top within the main body of the phosphorus removal and algae control device. The anode biofilm formation zone is filled with polyurethane filler and equipped with an anode plate, while the cathode hydrogen production zone is filled with steel wool and equipped with a cathode plate. The spray-type water distribution zone and the cathode hydrogen production zone are separated by a UV-isolated water distribution plate. The spray-type water distribution zone is equipped with vertically arranged ultraviolet photocatalytic algae control devices and photocatalysts. A water outlet pipe is installed at the bottom of the anode biofilm formation zone. The underwater section includes a hydraulic lifting system connected to the main body of the phosphorus removal and algae control device, which inputs filtered polluted water to the top of the spray-type water distribution zone. Under the action of spraying, ultraviolet radiation, and electrolysis, nitrogen and phosphorus removal and algae control processes are carried out. This device can efficiently remove ammonia nitrogen, nitrate nitrogen, and nitrite nitrogen from urban landscape water bodies.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Electro-fenton device and method using oxygen evolution side reaction

The application discloses an electro-Fenton device and method using an oxygen evolution side reaction, comprising a reaction container, a main anode, a main cathode and a porous carbon sensing electrode arranged in the reaction container; the main cathode and the porous carbon sensing electrode are annular, the porous carbon sensing electrode is arranged around the main anode, and the main cathode is arranged around the porous carbon sensing electrode; or, the main anode and the porous carbon sensing electrode are annular, the porous carbon sensing electrode is arranged around the main cathode, and the main anode is arranged around the porous carbon sensing electrode; the porous carbon sensing electrode is subjected to an electric field between the main anode and the main cathode, and the inner and outer peripheries of the porous carbon sensing electrode are respectively an induced anode / cathode and an induced cathode / anode. By arranging the sensing electrode, the mass transfer distance is shortened, the oxygen evolution side reaction of the anode in the traditional electro-Fenton reaction is fully utilized, the oxygen evolved is utilized by the cathode to participate in the oxygen reduction reaction, the Fenton reaction is promoted, and the main anode plays an electroflocculation role while corroding the anode under electrolysis to supplement the anions required by the reaction.
Owner:XI AN JIAOTONG UNIV

Upgrading and utilization method of polyester plastic and coupled hydrogen production process

The application discloses an upgrading utilization method of polyester plastics and a coupled hydrogen production process. The method comprises the following steps: using a polyoxometalate as a catalyst, and using an organic acid or an inorganic acid and / or a metal ion with oxidizing property as a cocatalyst, and hydrolyzing the polyester plastics into TPA, EG and FA. The method provided by the application can convert the polyester plastics into TPA and EG under mild conditions, and the EG can be further converted into FA. The application further provides an upgrading utilization and coupled hydrogen production process of polyester plastics. The polyester plastics are hydrolyzed in an anode tank, the polyoxometalate with oxidizing property is regenerated through coupling electrolysis, continuous production is realized, and hydrogen is produced through electrolysis in a cathode. The method and the process provided by the application have high degradation rate of the polyester plastics and are green and environment-friendly. Compared with water electrolysis, the hydrogen production in the cathode can save more than 50% of electric energy for producing the same volume of hydrogen.
Owner:CENT SOUTH UNIV

A laser repair method for localized scratches on the hard anodized layer of aluminum alloy parts

This invention relates to the field of laser milling and laser polishing technology for metals and metal oxides, specifically a laser repair method for localized scratches on the hard anodized layer of aluminum alloy parts, comprising the following steps: Step (1) using laser scanning to mill and remove the hard anodized layer at the damaged area of ​​the aluminum alloy part; Step (2) using laser scanning to polish the damaged area of ​​the aluminum alloy part after removing the hard anodized layer to the required surface roughness; Step (3) placing the damaged area of ​​the aluminum alloy part after removing the hard anodized layer in an electrolyte, forming an aluminum oxide film through electrolysis. This method significantly reduces environmental pollution during the process and enables localized removal of scratches, improving repair efficiency; it can replace manual sandpaper polishing, precisely controlling part dimensions and surface roughness, and avoiding dimensional deviations and inconsistencies caused by manual operation.
Owner:WUHU STATE-OWNED FACTORY OF MACHINING

Electrolytic sludge-water separation device

ActiveCN224478034USludgeSewage
The utility model provides a kind of electrolytic sludge-water separating device, including electrolytic cell, anode plate, cathode plate, electricity connection female end and cleaning mechanism, cleaning mechanism includes electric rotary table, rotating plate, power box, horizontal pole, vertical pole, first electric push rod, electricity connection male end and spring wire, muddy sewage can be introduced into electrolytic cell, under the electrolytic effect of anode plate and cathode plate, generate flocculate and dross, to realize sludge-water separation, and when passivation layer is generated on anode plate and cathode plate, electric rotary table and first electric push rod can be started, first electric push rod pulls out electricity connection male end from electricity connection female end, then rotating plate drives power box to rotate, and electricity connection male end is exchanged position by horizontal pole and vertical pole, finally first electric push rod drives electricity connection male end to be inserted with electricity connection female end above, realize the short-circuit of anode plate and cathode plate, so that hydrogen gas produced by water body can strip passivation layer, realize non-destructive cleaning, restore electrolytic function, improve sludge-water separating efficiency.
Owner:HAINAN DAKUN ENVIRONMENTAL PROTECTION TECH CO LTD

Conductive gel grinding tool with ferrous sulfate slow release function and electro-Fenton polishing method

According to the conductive gel grinding tool with the ferrous sulfate slow-release function, a composite structure of a three-dimensional copper wire network conductive framework and a conductive modified gel matrix is adopted, and core-shell structure ferrous sulfate slow-release composite particles are innovatively introduced, so that the grinding tool has the uniform conductive characteristic; and gradient release of ferrous sulfate can be triggered through mechanical action. When the conductive gel grinding tool is used for electro-Fenton polishing, released Fe < 2 + > can be subjected to Fenton reaction with H2O2 generated by a cathode in situ under the electrolytic action of a polishing solution to generate high-concentration hydroxyl free radicals, so that a softening layer easy to remove is generated on the surface of a workpiece, then the grinding tool is used for mechanical removal, and by means of the surface softening-mechanical removal synergistic effect mechanism, the polishing effect of the workpiece is improved. And the removal efficiency of hard and brittle workpieces is obviously improved. Correspondingly, the invention further provides an electro-Fenton polishing method adopting the conductive gel grinding tool, and the method has the advantages of being high in polishing efficiency, small in polishing solution usage amount and small in environmental pollution risk.
Owner:ZHEJIANG UNIV OF TECH +1

Water treatment device

To provide a water treatment device efficiently eliminating metal ions from hard water without using an ion exchange resin.SOLUTION: A water treatment device 1 eliminates metal ions from treated water to generate treatment water. The water treatment device includes: an anode chamber 15 provided with an anode 12; a cathode chamber 16 provided with a cathode 13; a film 14 partitioning the anode chamber from the cathode chamber and can permeate ions; and an electrolysis tank 10 generating acidic water and alkaline water from the treated water by electrolysis. The water treatment device further includes a control part 100 controlling voltage or current between the anode and the cathode. The acidic water flows through the anode chamber, and the alkaline water flows through the cathode chamber. The flow rate of the acidic water in the anode chamber is faster than the flow rate of the alkaline water in the cathode chamber.SELECTED DRAWING: Figure 1
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Photovoltaic power generation hydrogen production energy efficiency test system and method

The invention provides a photovoltaic power generation hydrogen production energy efficiency test system and method.The photovoltaic power generation hydrogen production energy efficiency test system comprises a photovoltaic power generation system, an electrolysis system and an energy efficiency test system.The photovoltaic power generation system is connected to the electrolysis system, converts solar energy into electric energy and provides the electric energy for the electrolysis system for use; the electrolysis system generates hydrogen at a cathode and oxygen at an anode under the action of electrolysis, the amount of the generated hydrogen and oxygen is measured, the amount of water used for electrolysis and the real-time temperature of water are measured, and the energy efficiency testing system is connected to the photovoltaic power generation system and the electrolysis system, collects information data required by energy efficiency testing, and transmits the information data to the photovoltaic power generation system. And the information data is processed to obtain a test result so as to provide real-time monitoring and equipment operation condition analysis. According to the photovoltaic power generation hydrogen production energy efficiency test system and method, comprehensive analysis of a hydrogen production system is facilitated, various factors influencing the equipment efficiency are found out, and a way for improving the efficiency is provided.
Owner:CHINA PETROCHEMICAL CORP +1

Iron-carbon-microorganism coupling integrated internal circulation sewage treatment reaction device and method

PendingCN122444383AMicroorganismSludge
The application discloses an iron-carbon-microorganism coupled integrated internal-circulation sewage treatment reaction device and method, which comprises a reactor body, an iron-carbon micro-electrolysis reaction zone, an anaerobic granular sludge reaction zone and a gas-liquid-solid separation zone are arranged in the reactor body, and a water inlet pipe, a water outlet pipe and a gas outlet pipe are arranged on the reactor body. Iron-carbon fillers are arranged in the iron-carbon micro-electrolysis reaction zone and are used for carrying out iron-carbon micro-electrolysis reinforced treatment on wastewater; anaerobic granular sludge is arranged in the anaerobic granular sludge reaction zone and is used for carrying out anaerobic biodegradation on the wastewater treated by micro-electrolysis; and the gas-liquid-solid separation zone is used for realizing separation of gas, liquid and sludge. The iron-carbon micro-electrolysis reactor and the anaerobic biological reactor are integrated in the same reactor body, so that the iron-carbon micro-electrolysis effect and the anaerobic biological effect are continuously coupled in the same equipment, the filling material is delayed to be hardened, the process flow is shortened, the intermediate transmission loss is reduced, the mass transfer efficiency and the reaction cooperativity are enhanced, and the wastewater treatment efficiency and the device integration degree are improved.
Owner:BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY

Coaxial fiber laser and electrolysis asynchronous space-time regulation efficient processing method and device

The invention relates to the technical field of precise non-traditional machining, and discloses a coaxial optical fiber laser and electrolysis asynchronous space-time regulation efficient machining method and device.The method comprises the steps that a laser optical fiber is coaxially fixed to the center of a metal tube electrode through an optical fiber fixing plate, and electrolyte flows in through a plurality of liquid inlets formed in the side wall of the metal tube electrode; the laser flows out of an annular gap between the laser fiber and the inner wall of the metal tube electrode to a processing area; the laser spot coverage area is controlled by axially adjusting the expansion amount of the laser optical fiber relative to the end part of the metal tube electrode; a dual-channel signal source is adopted to control pulse output of an optical fiber laser and an electrolysis power supply, so that laser pulse and electrolysis pulse work asynchronously and alternately in time; in the machining process, the tool electrode is controlled to be fed in the axial direction, so that laser energy and the electrolysis effect achieve coaxial asynchronous coupling in a large-depth machining area. According to the invention, high-efficiency, high-precision and high-surface-integrity machining of tiny features on a material workpiece is realized.
Owner:SHANGHAI UNIV

Combined ROS advanced oxidation treatment equipment

The utility model relates to combined ROS advanced oxidation treatment equipment which comprises an advanced oxidation box, ROS aerators and a filler mechanism, an aeration cavity is formed in the advanced oxidation box, a rotating frame of the filler mechanism and the ROS aerators are sequentially arranged in the aeration cavity up and down at intervals, each filler cylinder is arranged on the rotating frame, and the ROS aerators are arranged on the rotating frame. A filler cavity of the filler cylinder is communicated with the aeration cavity through a water permeable hole and is matched with an iron-carbon filler body arranged in the filler cavity, so that piezoelectric catalysis can be generated to generate active oxygen to oxidize and decompose organic pollutants in the wastewater, and the wastewater can be further purified by the iron-carbon filler body; and moreover, a micro-battery effect can be formed through the micro-electrolysis effect of the iron-carbon filler, refractory substances in the wastewater can be further efficiently degraded, and the iron-carbon filler and the iron-carbon filler can be efficiently and synergistically oxidized, so that the advanced oxidation effect can be remarkably enhanced, and the degradation capability on pollutants is improved, thereby having a better advanced oxidation effect.
Owner:NANYANG ENVIRONMENTAL ENG TECH (HUIZHOU) CO LTD

Electrode slice positioning combination structure of pipeline disinfection equipment

The utility model relates to the technical field of pipeline disinfection equipment, and discloses a pipeline disinfection equipment electrode slice positioning combination structure which comprises an electrode slice, a connecting groove is formed in the position, close to the end, of the top face of the electrode slice, and a connecting conductive plate is movably connected in the connecting groove in a lap joint mode. And a buckling groove and a threaded through groove are formed in the plate surface of the connecting conductive plate in a penetrating manner. A connecting conductive plate is arranged to serve as a connecting structure of two or more electrode plates; structures such as a transverse support division bar frame, a longitudinal support division bar frame, an internal thread pipe and a carrying support arm are arranged, so that the structures can be arranged between the electrode slices at intervals and can be fixed with the connecting conductive plate through the arranged connecting shaft frame, and the carrying support arm can also provide bearing for the bottoms of the electrode slices; therefore, the effects of stably supporting the electrode plates which are arranged in parallel and keeping intervals are achieved, the situation that the efficiency of electrolysis becomes poor due to the difference of projection areas is avoided, and the generation efficiency of ozone is greatly improved.
Owner:JIANGSU DYNAMIC MEDICAL TECH