47 results about "Electrolysis - action" patented technology

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.

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.

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.

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.

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.

The present application relates to an improved apparatus for localised electrolytic cleaning, which can operate as pickling and / or polishing, comprises: a handheld torch (1) equipped with a brush (7) of carbon fibre wires; an electrical connection for activating the electrolytic action to the brush (7). This also has an advancement mechanism (9), to compensate for the wear of the wires, and a supply of the electrolytic solution to the brush (7), an electrical circuit for electrical power supply in the brush (7) with one end of the circuit and another end, electrically opposite, connected to the metal material being treated; and has near the front end (33) of the brush (7) with carbon fibre wires a permeable pad (13), centrally perforated, for the passage of the brush (7), to constitute a composite electrode (6) also equipped with a spout (12) made of electrically conductive material, centrally perforated and externally wrapped by said permeable pad (13). The electrolytic solution is released at least externally to the brush (7) of carbon fibre wires and inside the spout (12) in contact with the permeable pad (13, wherein the material being treated (46) is in contact with the permeable pad (13), which wraps around the spout (12), and at the front end (33) of the brush of carbon fibre wires, and wherein the suction of the spent solution takes place with standard suction hoods for air and spent solution.

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.

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.

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.

The utility model provides a DMF (Dimethyl Formamide) wastewater treatment system, and relates to the field of DMF wastewater treatment, the DMF wastewater treatment system comprises a pretreatment pool, an enhanced AO (Anaerobic Oxidation) pool communicated with the rear end of the pretreatment pool, a post-treatment pool communicated with the rear end of the enhanced AO pool, and the pretreatment pool is divided into a lime neutralization tank and an adsorption decolorization tank. According to the DMF wastewater treatment system, the pH value of wastewater is adjusted through the lime neutralization tank, filtered water adsorbs pigment and part of DMF through activated carbon, then the filtered water enters the iron-carbon micro-electrolysis tank, refractory pollutants are degraded through the micro-electrolysis effect by using filler as a mixture of activated carbon and iron powder, and then the pollutants are further removed under the action of hydrogen peroxide and Fe < + >; by means of aeration treatment and setting adjustment of the pH value, wastewater enters the ABR anaerobic tank and the anoxic and aerobic alternate reaction tank for reaction, the wastewater after reaction reaches the discharge standard through secondary precipitation and then enters the clear water tank, and pollutants in water can be effectively reduced.

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.

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.

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.

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.

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

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.

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.

The invention discloses a pulse dynamic electrolysis discharge mechanical composite milling cathode which comprises a cathode base body, a first insulation blade, a second insulation blade, a discharge module, a first insulation blade fixing screw, a discharge module fixing screw and a second insulation blade fixing screw. Three mounting grooves are formed in the end part of the cathode base body, and the two large-opening-angle grooves are used for mounting the first insulating blade and the second insulating blade; the first insulation blade, the second insulation blade and the discharge module are respectively connected with the cathode substrate through a first insulation blade fixing screw, a discharge module fixing screw and a second insulation blade fixing screw. Through coupling of cathode end face functional partition and voltage waveform periodic pulsation, pulse dynamic adjustment of electromachining and machining in the machining process is achieved, the machining efficiency is guaranteed, meanwhile, the adverse effect of the electrolysis effect on the machined surface is effectively avoided, and the surface quality and precision in the machining process are guaranteed.

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.

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.

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.

The utility model relates to the technical field of alkaline water electrolysis hydrogen production equipment, and discloses an electrolytic bath structure with a high-efficiency electrolysis function, which comprises an electrolytic bath, a driving mechanism, an electrolytic bath cover, an electrolytic bath cover, an electrolytic bath cover and an electrolytic bath cover, the stirring adjusting mechanism is arranged on the lower side of the protection plate of the electrolytic bath and is matched with the driving mechanism; the transmission rod is rotationally arranged in a cell body shell of the electrolytic cell and matched with the stirring adjusting mechanism, and a plurality of stirring rods are further arranged at the lower end of the transmission rod; the electrode bars are symmetrically arranged on the transmission rod through an electrode bar adjusting mechanism; the electrolytic bath structure has the advantages that the electrolyte can be effectively stirred, the position of the electrode can be dynamically adjusted, the electrolytic efficiency is improved, the energy consumption is reduced and the like, and the problems that in the prior art, the electrolyte is not fully stirred, and the position of the electrode is fixed, so that the efficiency and the economical efficiency of hydrogen production through alkaline electrolytic water are poor are solved.

The invention discloses an upgraded utilization method of polyester plastics and a coupling hydrogen production process. The method comprises the following step: hydrolyzing polyester plastics into TPA, EG and FA by taking polyoxometallate as a catalyst and organic acid or inorganic acid and / or metal ions with oxidability as a promoter. According to the method provided by the invention, polyester plastics can be converted into TPA and EG under mild conditions, and EG can be further converted into FA. The invention further provides an upgraded utilization and coupling hydrogen production process of the polyester plastics, the polyester plastics are hydrolyzed in the anode tank, polyoxometallate with oxidability is regenerated through the coupling electrolysis effect, continuous production is achieved, and meanwhile electrolysis hydrogen production is conducted on the cathode. The method and the process provided by the invention have high degradation rate on polyester plastics, and are green and environment-friendly; and when hydrogen is produced at the cathode, compared with electrolyzed water, the power consumption for producing hydrogen with the same volume is reduced by more than 50%.

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.

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.

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.

The present invention is a portable, on-demand hypochlorous acid (HOCL) generator and sprayer device contained in a wireless electrostatic backpack system designed for the purpose of sanitizing and disinfecting. The system converts a feeder solution of water mixed with sodium chloride acetic acid into a hypochlorous acid solution at adjustable concentrations (25-400 ppm) by electrolysis using both anode and cathode electrodes. The resulting solution is pressurized to 50-130 psi, and then atomized into an ultra-fine mist (40-80 microns) that passes through an electrically charged annular element to positively charge the atomized droplets, increasing the transfer efficiency to negative and neutrally charged surfaces by providing a wraparound, attractive force on surfaces sprayed. Various sensors, controls and a central processing unit (logic controller) are used to ensure the consistency and accuracy of the required output. The hypochlorous acid produced through this on-demand system is non-toxic and environmentally friendly.

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.

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.

The invention relates to a combined type seam electrode electrolytic milling tool and method, and belongs to the field of electrolytic machining. The combined tool provided by the invention comprises an electrode supporting plate, a cathode block, an insulating cover plate and an insulating sleeve shell. The pair of cathode block units are positioned and installed on the electrode supporting plate, the peripheries of the cathode block units are wrapped by the insulating sleeve shell and the insulating cover plate, only the central liquid outlet seam is exposed, an electric field is limited from diffusing outwards from the end face and the outer contour face of the cathode block, electricity is supplied more intensively only through the inner contour face of the cathode block, and the anode current density is greatly improved; and the processing precision and the processing locality are obviously improved while the stray corrosion is reduced. The combined structure solves the problem that an extremely narrow liquid outlet seam is difficult to manufacture, a flow channel between opposite inner contour surfaces of the cathode block is narrowed, an electric field is further concentrated, electrolyte jet flow is sprayed out in an accelerated mode after being compressed, machining products are washed in an accelerated mode, the high conductivity of electrolyte in the machining gap is guaranteed, and continuous and efficient electrolysis is promoted. And the electrolytic milling surface quality and the machining efficiency are effectively improved.