201results about How to "Improve the effect of electrolysis" patented technology

The present invention discloses one kind of powder material capable of generating negative ion and its preparation process. The powder material consists of tourmaline material 20-70 wt%, mixed RE material or mixed RE oxide material 20-60 wt%, semiconductor catalyst material 5-20 wt%, and auxiliary exciting material 4-15 wt%. Its preparation process includes the following steps: 1. crushing and roasting tourmaline material; 2. grinding tourmaline material in a grinding set into superfine powder; 3. adding surface treating agent for surface treatment; 4. grinding the other materials to size smaller than 1 micron; and 5. dispersing all the materials inside one high speed dispersing machine, sieving and drying. The powder material has a negative ion releasing rate up to 6000-10000 / cu cm.

The invention discloses a spraying liquid beam electrolytic-laser compound manufacturing method and device, which comprises the following steps: utilizing layer generating device to produce laser beam on the working piece, manufacturing hole, seam and groove, generating high-speed spraying liquid removing material with the same shaft of laser beam through spraying liquid beam device. The device contains layer, working piece assembling chuck, power and spraying liquid beam device, wherein the spraying liquid beam device concludes assembling seat of spraying device, insulating switching seat, cathode, focal lens, protective lens, insulating sleeve and sprayer.

A process for removing heavy metals and the organic substance difficult to degradate from sewage includes proportioning Fe and Cu, adding cationic surfactant modified zeolite, stirring, loading the mixture in filter pool, regulating pH value to 4.5-11, reaction, and regulating pH value to 8-9 to generate Fe(OH)3 as flocculant, which can coagulate the suspended solid and colloid and absorb and soluble pollutants for depositing them. Its advanrtages are high power, effect and high speed.

The invention discloses a method of recovering gold and silver from a waste circuit board. The method includes subjecting the waste circuit board to hot melt and separating soldering tin, components and substrates; recovering useful components in the components, smashing remaining components and the substrates, and sorting to separate plastic powder and metal powder; briquetting the metal powder and electrolyzing to obtain copper, and leaching electrolysis anode mud with nitric acid to recover the silver; and leaching filter residue with hydrochloric acid to recover the gold. The equipment and the method are simple. The silver and the gold in the circuit board can be effectively recovered. The recovery rate of the metals is high. Reutilization of resources of valuable metals in the waste circuit board is achieved. The method has great social benefit and economic benefit.

The invention discloses a friction welding method of an aluminum guide rod and a steel claw. The method for directly welding the aluminum guide rod and the steel claw in a friction mode is adopted, four stages of frictional heating are adopted, and the rotation speed, the friction pressure and the friction time of a main shaft in the friction process of each stage are set; according to upsetting, when rotation of the main shaft is not stopped completely, rapid feeding is started, the upsetting process is started, and the phase error of the aluminum guide rod and the steel jaw is smaller than +1 degree or -1 degree when braking is over by utilizing closed-loop control. The friction welding joint of the aluminum guide rod and the steel claw is beautiful, a whole static stretching contrast test of the joint is performed on the performance of the joint, the mechanical property of an anode guide rod assembly utilizing friction welding is larger than the mechanical property of an anode rod guide rod assembly utilizing explosion soldering flakes, and therefore the mechanical strength of the joint can meet the requirement of practical application.

The invention provides a method for synthesizing nano particles through glow discharge based on laser aiding and belongs to the field of plasma electrochemical synthesis of nano materials. Plasma produced by laser on the metal anode surface of a glow discharge device, plasma produced through laser induction and plasma produced through glow discharge are utilized to produce a synergistic effect and jointly act on a precursor solution, accordingly a glow discharge phenomenon is intensified, and the problems of small plasma volume, short discharge time, insufficient electrolyte electrolysis and large nano particle product size fluctuation of an existing glow discharge technology are solved. By adopting the method for synthesizing the nano particles through glow discharge based on laser aiding, high-energy-density plasma produced through high-power laser induction and the glow discharge plasma are effectively coupled, the nano particle preparation efficiency and nano particle size controlling capability is greatly improved, and the purposes of aiding glow discharge and rapidly and effectively synthesizing the nano particles are achieved. The method can be used for rapid nano particle pre-preparation and production.

The invention discloses a method for handling organic wastewater based on Fenton reaction, comprising the following steps of: (1) high-voltage pulse electric coagulating reaction: regulating the pH value of wastewater to be 3-4 so that wastewater performs high-voltage pulse electric coagulating reaction in a high-voltage pulse electric coagulating device at the current intensity of 1-30A, wherein the electric coagulating reaction time ranges from 30-120min, the high-voltage pulse electric coagulating device is input by the 100-400V alternating current which is then converted into direct current after rectification, the pulse voltage of 80V to 350V is formed by utilizing a pulse generator, the anode and cathode plates adopted by the high-voltage pulse electric coagulating device are iron plates with the carbon content above 0.45wt% and the space between the polar plates ranges from 10-30mm; (2) Fenton reaction; and (3) concrete precipitation reaction. Compared with the prior art, the invention reduces the handling cost, shortens the handling time and ensures better handling effect.

The invention discloses a machining method of a steel mould cavity. The machining method comprises the four steps of: manufacturing an electrolysis cathode by utilizing the combination of a photocuring rapid prototyping technology and an electrotyping technology, building an electrolysis machining device, building an electrolyte system and forming the steel mould cavity. The machining method has the advantages that: compared with the traditional method for manufacturing an electric spark tool electrode or the electrolysis cathode, the rapid prototyping method for manufacturing the electrolysis cathode saves a cutting machine tool, a numerical control machine tool and properties and has high production efficiency, low cost as well as good precision and surface quality; in addition, the production efficiency of electrolysis machining is high, which is about 5 to 10 times of the electric spark machining and higher than the production efficiency of cutting machining, and the machining production rate is not restricted by the machining precision and the surface roughness; and the invention can reach good surface roughness and machining precision.

The invention discloses an ozone generator. The ozone generator comprises a dielectric tube, an inner electrode and an outer electrode, wherein the inner electrode and the outer electrode coaxially sleeve the inner side and outer side of the dielectric tube respectively, electrolysis channels are formed at intervals between the inner electrode and the dielectric tube, the two ends of the inner electrode are sleeved with sealing rings, the sealing rings are compressed between the outer side of the inner electrode and the inner side of the dielectric tube, the two ends of the electrolysis channels are limited by the sealing rings, the two ends of the inner electrode are provided with guiding channels respectively, and the guiding channels at the two ends of the inner electrode are communicated with the two ends of the electrolysis channels respectively. The ozone generator has the advantages that the structure is simple, processing is convenient, the cost is lower, the service life is longer, and the electrolysis efficiency is higher.

The invention discloses a sodium hypochlorite generator electrolyzer, comprising a body, a chlorine outlet arranged on the body and a positive electrode which is connected at the upper end of the body by an insulator, wherein the lower part of the positive electrode stretches into the body. The electrolyzer is characterized in that a cooling container surrounds the middle-lower part of the body; the middle part of the top surface of the cooling container is welded with the upper part of the body into a whole; cooling media are filled in the cooling container; the top surface of the cooling container is provided with a negative electrode; and cooling fins are arranged on the side wall of the cooling container. The electrolyzer also comprises an electrolyte delivery pipe communicated with the lower part of the body. The electrolyzer has the following advantages: the electrolyzer has simple structure and is convenient to install; the consumption of the cooling media is less and pumps are not needed to drive the cooling media to circularly flow, thereby saving the electric energy, keeping the temperature of the electrolyte stable, ensuring electrolysis to be carried out under a certain temperature and obtaining the best electrolysis effect.

The invention discloses a water electrolysis cup. The water electrolysis cup comprises a cup body with a drinking water area, a frame enclosure is arranged in the drinking water area, and an electrolysis device is arranged in the frame enclosure and comprises at least one diaphragm and at least one electrode groups. The at least one diaphragm is mounted vertically and partitions the frame enclosure into at least one anode chamber and at least one cathode chamber. Each electrode group comprises an anode electrode vertically mounted in the corresponding anode chamber and a cathode electrode vertically mounted in the corresponding cathode chamber. Each diaphragm is positioned between the corresponding anode electrode and the corresponding cathode electrode, one end of each cathode chamber and one end of each anode chamber are provided with through holes communicated with the drinking water area respectively, or the through hole of each cathode chamber is communicated with the drinking water area, and the through hole of each anode chamber is communicated with the outside of the cup body. By adoption of the technical scheme, oxygen solubility is increased, and quality of generated water is more beneficial to human health.

The invention discloses a rare earth-containing Cu-Ni-Fe alloy inert anode material and a heat treatment method thereof, and relates to an aluminum electrolysis alloy inert anode material, and a heat treatment method suitable for the high-temperature molten salt aluminum electrolysis alloy inert anode material. The inert anode material comprises 35-65mass% of Cu, 20-35mass% of Ni and 15-30mass% of Fe, and the sum of the mass percentages of the above three elements is 92.5-99.9%. The heat treatment method of the inert anode material comprises the following steps: carrying out heating, heat insulation and strong cooling quenching for homogenization heat treatment to obtain a uniform supersaturated solid solution structure, and carrying out two-stage ageing heat treatment to obtain a fine and uniform second phase dispersed and distributed on an anode matrix. The uniformly dispersed anode matrix structure has a stationary voltage in the electrolytic process, and has a good high-temperature oxidation resistance and a good electrolyte corrosion resistance, and the impurity content in an electrolysis aluminum product is lower than 0.5%.

The present invention aims to provide an activated cathode enabling a long-time stable operation with hydrogen overvoltage maintained at a low value, keeping a high remaining rate of the catalyst element after a cease of operation for a short-circuiting and after an electrolysis operation at a high current density, restricting catalyst loss to a little, and having a strong resistance to contamination caused by electrolyte impurity elements. The present invention relates to a cathode for hydrogen evolution with a catalyst layer formed on the cathode substrate, having, at least, three elements comprising platinum, cerium and palladium, as essential element, in a state of metal, metal oxide, or hydroxide, contained, where the mole fraction of respective element being x, y, and z, within a range of 5mol%=x=90mol%, 5mol%=y=55mol%, 5mol%=z=65mol%.

The invention relates to the field of stainless steel product machining equipment, in particular to a polishing device for machining a stainless steel product. The polishing device comprises a grinding table and an electrolytic tank arranged on one side of the grinding table, and a grinding assembly is installed on the grinding table; a soaking tank is arranged in the electrolytic tank, and the right and left sides of the upper end of the soaking tank are provided with electrolytic bars; the upper end of each electrolytic bar is installed in a mounting end arranged at the lower end of a movable plate; the right and left sides of each movable plate are installed on support plates, and the lower ends of the support plates are provided with second electric telescopic rods arranged on a vertical frame; the vertical frame is fixed to a sliding block installed at the upper end of the electrolytic tank slidably; and the bottom end of the electrolytic tank is a separating plate, and a stirringassembly and a negative electrode are installed on the separating plate. According to the polishing device for machining the stainless steel product, through combination of two ways, namely mechanical grinding and polishing and electrochemical polishing; and various stains sticking to the surface of the stainless steel product can be removed, and the polishing effect is improved.

The invention relates to a flow field self-adaptive battery plate structure and a fuel cell. The flow field self-adaptive battery plate structure is used for an integrated regenerative fuel cell, a flow field on a polar plate is a bifunctional flow field (1) which comprises a flow field inlet (101), zigzag flow channels (102) and a flow field outlet (106) which are sequentially communicated, a flow field ridge (103) is arranged between every two adjacent zigzag flow channels (102), a water guide and air isolation structure (105) is arranged on each flow field ridge (103), and a water distribution area (104) is arranged at the edge of the flow field. Compared with the prior art, the invention creatively provides the bifunctional flow field to realize the self-conversion of flow field formsin different modes of integrated regenerative fuel cell power generation and electrolysis, and in the power generation mode, the bifunctional flow field forms tend to a snake-shaped flow field with along flow channel, which is beneficial to the increase of flow field pressure drop and drainage, so that the power generation performance is improved; in the electrolysis mode, the form of the bifunctional flow field tends to the parallel flow field of a short flow channel, the uniform distribution of water is facilitated, gas generated by electrolyzing water is prevented from blocking the flow channel, and the electrolysis performance is improved.

The invention discloses a hydrophilic water transport plate for an integrated renewable proton exchange membrane fuel cell and a preparation method for the water transport plate. The method comprises the steps of firstly hydrophilically treating a carbon nanomaterial; secondly uniformly mixing the hydrophilically treated carbon nanomaterial, a conductive additive, a reinforced carbon fiber and a resin adhesive; and finally performing thermoforming in a mould to obtain the hydrophilic water transport plate, wherein the hydrophilic carbon nanomaterial achieves the effect of promoting water transport. The water transport plate serving as a bipolar plate for the integrated renewable proton exchange membrane fuel cell has good water-penetrating property; and the situations of water shortage and flooding in a working mode of the fuel cell can be effectively relieved, the performance of the fuel cell can be improved, the static water supply can be realized directly by utilizing cooling water in a working mode of an electrolytic tank, the anodic concentration polarization phenomena can be reduced, the electrolytic performance under high electric density can be improved, a system can be simplified, and the energy consumption can be reduced.

The invention provides a Cu-Ni-Fe-based alloy inert anode material and a heat treatment method thereof and relates to a high temperature fused salt aluminium electrolysis alloy inert anode material and a homogenization heat treatment method thereof. The Cu-Ni-Fe-based alloy inert anode material is characterized by comprising the following components in mass ratio: 28-72% of Cu, 18-42% of Ni and 12-34% of Fe, wherein the sum of the mass percentages of the three elements is 92-100%. The alloy is subjected to vacuum homogenizing heat treatment, so that a uniform homogeneous structure or a fine second phase is dispersed and distributed on a uniform anode base. When the inert anode material is electrolyzed in a KF-NaF-AlF3-Al2O3 system, efficiency can reach up to 95%, and impurity content of primary aluminium is lower than 0.5%.

An electrolyzing mechanism used for purifying water is disclosed. The mechanism includes an anode bin body, a cathode bin body, an anode electrode net, a cathode electrode net, an ion exchange membrane and at least two contact terminals. The anode electrode net is disposed on the surface of an anode electrolytic cell body. The cathode electrode net is disposed on the surface of a cathode electrolytic cell body. The ion exchange membrane is disposed between the anode and cathode electrode nets. Water flows through a first water inlet and a second water inlet into the anode and cathode electrolytic cell bodies to separately form an anode electrolysis water path and a cathode electrolysis water path. The ion exchange membrane swells when being brought into contact with water so that the contact terminals are brought into close contact with the anode and cathode electrode nets, thus achieving connection. The anode and cathode electrolysis water paths are formed outside the anode and cathode electrode nets. By adoption of the mechanism, the structure is simple, the size is small, the cost is low, hydrogen-rich drinking water can be produced, the electrolysis efficiency is high and the pH value of the drinking water is stable.

The invention discloses water purification equipment, which comprises a filter core, a power mechanism, an electrolysis mechanism, a water storage tank, a drinking water tank and a drinking water outlet. The filter core comprises a reverse osmosis filter core and a composite filter core; the power mechanism is used for supplying flowing power of water flow and is connected with the water storage tank and the drinking water tank; the water storage tank is used for storing tap water; an RO water outlet and a wastewater outlet are arranged in the filter core; the RO water outlet is connected with the drinking water tank; the drinking water tank is connected with a second water inlet of a cathode bin body of the electrolysis mechanism; a second water outlet of the cathode bin body of the electrolysis mechanism is connected with the drinking water outlet; the wastewater outlet is connected with a first water inlet of an anode bin body of the electrolysis mechanism; a first water outlet of the anode bin body of the electrolysis mechanism is connected with a solenoid valve; the solenoid valve is connected with the water storage tank. By adopting the water purification equipment, the water purification equipment is simple in structure, small in size and low in cost, and can quickly obtain hydrogen-rich water of which a pH value is very stable and TDS is 20-60.

The invention discloses a mobile magnesium alloy grooveless micro-arc oxidation treatment process and equipment. The process includes the following steps: 1) taking a magnesium alloy workpiece to be processed and performing pretreatment; 2) connecting one end of the magnesium alloy workpiece with a power supply 3) Take an electrode, one end is conductively connected to the negative electrode of the power supply, and the other end absorbs the electrolyte; 4) Turn on the power supply, press the end of the electrode that absorbs the electrolyte on the surface of the magnesium alloy workpiece, move this end, and place it on the magnesium alloy workpiece A layer of oxide film is formed on the surface; 5) The magnesium alloy workpiece and electrodes after step 4) are rinsed with water, wiped dry, and blown dry to perform subsequent painting operations. For the repair of magnesium alloy auto parts, frame, etc., the treatment process uses a portable power supply, equipped with self-developed precision electrodes and electrolytes, and directly performs a slotless local micro-arc oxidation treatment of magnesium alloys. The treatment process is simple and the treatment The device is flexible and portable, and can repair the worn magnesium alloy surface at any time.

The invention discloses a metal-containing waste acid liquid integral recovery device and method, and belongs to the field of waste recovery. Acid and metal ions in metal-ion-containing waste acid liquid are separated by a diffusion dialysis device; acid liquid after the metal ion separation can be used as recovered acid to be repeatedly and cyclically used; metal-ion-containing waste liquid after acid separation is reduced by an electro-deposition device to recover metal; finally, electro-deposition liquid is discharged into a wastewater treatment system. Two kinds of devices are combined; the recovery treatment problem of ignored metal ions in diffusion dialysis residual liquid in the prior art is solved; the acid concentration of the metal-ion-containing waste acid liquid is also greatly reduced; the applicable condition for recovering metal ions in the diffusion dialysis residual liquid by the electro-deposition device is created; the complementary characteristics of the diffusion dialysis and electro-deposition devices are used; the effective recovery of acid and metal in the metal-ion-containing waste acid liquid is realized.

The invention discloses a preparation method of In2O3 particles / In2O3 fiber composite material as well as the obtained product. The preparation method comprises the following steps: mixing cane sugar,p-phenylenediamine and dimethylformamide, adding ethanol, soluble indium salt and polyvinylpyrrolidone into the obtained mixture, and stirring until transparency to obtain a precursor spinning solution; and performing an electrostatic spinning method on the precursor spinning solution to obtain precursor fiber and performing heat treatment to obtain the final product. A novel precursor spinning solution system is designed, and a cubic ferromanganese ore type In2O3 particle / In2O3 fiber composite material with adjustable size and special appearance is prepared by the electrostatic spinning method. The raw materials are low in price, the synthesis process is simple and convenient, the reaction system is stable, the product is high in appearance repeatability, high in yield and easy in large-scale production, and the obtained product has large application potential in the field of a gas-sensitive material.

The invention provides an electrode activation treatment process for preparing glyoxylic acid through oxalic acid electrolysis and reduction, and belongs to the field of electrode activation treatment processes. The electrode activation treatment process comprises the following steps: every time after an electrolysis cell works for 8-10 h, a certain time is controlled and two activation solutions are adopted for alternate treatment under the external drive, wherein the two activation solutions are prepared from different components. According to the electrode activation treatment process, a passivation film on the electrode surface is quickly dissolved, activated lead atoms are exposed, and then the purpose of activation is fulfilled, mainly because hydroxy carboxylate or amino carboxyl compounds and other complexing agents in the activation solutions have complexing capabilities with lead ions; after 90 continuous production cycles of the electrolysis cell subjected to the electrode activation treatment process, the current efficiency of the electrolysis cell is still kept at 75% or above; the continuous and stable production in a process for preparing glyoxylic acid by adopting an electrolysis method is achieved; and meanwhile, the service life of an iron film can be prolonged by 3-4 times and the activation solutions can be repeatedly used, thereby greatly reducing the production cost.

The invention belongs to the technical field of magnetized and activated water and particularly relates to a method and an apparatus for activating water by combination of magnetization and electrolysis. For solving the problems that drinking water supplied through a pipeline has adverse effect on body health, and water magnetization and electrolysis technologies in the prior art are lack in effective combination, the apparatus for activating water by combination of magnetization and electrolysis includes the processes of preceding-stage filtration, in-series magnetization, electrolysis fining, and static magnetization activation for completing activation and purification to the water. In the apparatus, a strong magnetic field is formed by opposite magnetic poles and an in-series magnetic field is formed by a plurality of permanent magnet components, and an induced circuit is formed by an electrolysis disk or two electric conductive strips which are encircled in parallel, so that pH of water is increased to more than 7.6 under the tiny electrolysis effect. With energy minerals, the water quality is approximate to standard of mineral spring water, wherein negative potential and activation level are increased; with the electrolysis disk, preceding-stage electrolysis is carried out; and with electrode boards in a standing container, post-stage electrolysis is carried out.

The invention discloses a domestic wastewater treatment method and device based on an electric flocculation method, belongs to the technical field of wastewater treatment, and can realize the electrolysis on the domestic wastewater based on an electric flocculation technology. A vertical flow type bipolar mode is adopted; a high-frequency high-voltage pulse power supply is used for supplying powerto remove pollutants in the wastewater and the wastewater is ; polymerized to generate floccules to be separated from the wastewater; meanwhile, a breathing type coagulation aid assembly is innovatively introduced between the adjacent electrodes, the swinging characteristic is used as a driving force so that the non-equilibrium adsorption rod generates an action similar to breathing; mixed gas ofhydrochloric acid gas and oxygen is released into the wastewater during expiration, a plurality of micro-bubbles are generated, the oxidation effect is improved to greatly improve the flocculation efficiency, the passive film on the surface of the electrodes can be dissolved, the electrolysis effect of the electrodes is improved, floccules separated from wastewater can be adsorbed and recovered during air suction, and the treatment effect of the electric flocculation technology on the wastewater is significantly improved.

The invention relates to the technical field of fiber processing, in particular to a preparation method of banana nanofiber. The banana nanofiber is prepared according to the following three steps: (1), pretreating a raw material; (2), degumming; (3), preparing the nanofiber, wherein during degumming, puffing treatment, oxidation treatment, acid treatment, bioenzyme treatment, enzyme deactivationtreatment, dehydration, oil supply and drying are combined for pretreating crude banana hemp. Through organic combination of the treatment ways, colloid, lignin and hemicellulose in the crude banana hemp can be effectively removed, and the purposes of removing impurities and increasing the fiber content are achieved; a good raw material is provided for subsequent preparation of the nanofiber. Theinvention further prepares the banana nanofiber by an electrospinning technology. By the technology, the yield of the banana nanofiber can be effectively increased, the impurities can be effectively removed, the banana nanofiber with smaller fineness is produced, and thus the quality of the banana nanofiber is improved.

The invention discloses an electrolytic milling method for a machined gap through electrolyte wall-attaching direct spraying. The front wall face of the front end in the feeding direction of a cathodemachining section is used for machining a workpiece, an electrolyte comes out from a liquid spraying opening in the bottom of a cathode body on the upper part of the cathode machining section and isdirectly sprayed to enter a machining area in the mode of closely attaching a cathode machining face, namely wall-attaching direct spraying, and thus the kinetic energy loss caused by electrolyte steering is avoided. The liquid supplying mode is extremely simple, compared with ordinary metal milling, milling can be conducted more flexibly, the high-speed and large-flow electrolyte can enter the machining area at the minimum loss, and thus the electrolytic machining speed is increased in a multiplied mode. The invention further discloses an electrolytic milling device implementing the electrolytic milling method, the electrolytic milling device comprises the cathode body, and the cathode machining section is arranged at the lower end of the cathode body; feeding is conducted according to aset trajectory; the inner side face of the liquid spraying opening in the lower end face of a cathode clamping body and the front wall face of the cathode machining section are located on the same plane, and the electrolyte sprayed from the liquid spraying opening is directly sprayed to enter the machining area in the mode of closely attaching the front wall face of the cathode machining section.

The invention belongs to the technical field of water electrolysis apparatus, and more specifically relates to a device used for rapid preparation of hydrogen oxygen mixed gas. The device comprises afoam maker, an electrolytic tank, electrode groups, a gas inlet pipe, and a gas outlet pipe; the gas outlet pipe is arranged on the top of the electrolytic tank; the foam maker and the electrode groups are arranged in the electrolytic tank successively from bottom to top; the top of the foam maker is connected with the gas inlet pipe; an electrolyte is introduced into the electrolytic tank, compressed air is introduced into the electrolytic tank through the gas inlet pipe, or air is introduced into the electrolytic tank using a blower fan, hydrogen oxygen mixed gas obtained via electrolysis isdischarged through the gas outlet pipe. The device is capable of realizing rapid high efficiency electrolysis, and is large in hydrogen oxygen mixed gas yield.