38results about How to "Avoid passivation" patented technology

The novel electrochemical sewage treatment equipment comprises an electrolytic tank, a voltage-stabilized source, electrode plates and a cleaning and stirring structure, liquid inlet and outlet pipes are arranged on the two sides of the electrolytic tank, the electrode plates are arranged on the opposite side walls in the electrolytic tank, the voltage-stabilized source is arranged on the side wall of the electrolytic tank, the electrode plates are electrically connected with the voltage-stabilized source, and the cleaning and stirring structure is arranged in the electrolytic tank. The cleaning and stirring structure is arranged in the electrolytic tank; the cleaning and stirring structure comprises stirring shafts, a driving shaft and a driving motor, a driving shell is arranged on one side of the electrolytic tank, the stirring shafts are rotationally arranged on the opposite side walls in the electrolytic tank, and the number of the stirring shafts is three. The utility model relates to the technical field of sewage treatment equipment, and particularly provides novel electrochemical sewage treatment equipment which can be used for cleaning an anode plate and simultaneously can be used for conveniently cleaning dirt sediments.

The invention belongs to the technical field of electrochemical engineering, and relates to a three-dimensional electrochemical reactor which comprises a reactor shell assembly, three-dimensional electrode modules, counter electrode modules, diaphragms or polymer partition plates and an external power supply, the counter electrode modules are arranged in pairs, and the three-dimensional electrode modules are clamped between the counter electrode modules arranged in pairs; the diaphragm or the polymer partition plate is clamped between the electrode surface of the counter electrode module and the electrode surface of the three-dimensional electrode module, and the three-dimensional electrode module, the counter electrode module and the diaphragm or the polymer partition plate are arranged in an inner cavity of the reactor shell assembly; according to the invention, the fluid can flow through the interior and surface of the three-dimensional electrode, and a main electrochemical reaction field is transferred to the interior and surface of the three-dimensional electrode, so that the sufficient flow and mixing of the fluid between the electrodes are ensured while the electrode spacing is shortened as far as possible, the solution resistance is reduced, the cell voltage is reduced, and the current efficiency is improved; and energy consumption increase and equipment damage caused by overhigh voltage are avoided.

The invention belongs to the technical field of regenerated plastic particle processing, and particularly relates to regenerated plastic particle preheating equipment which comprises a smashing area, a heating area and a discharging area, the heating area is arranged at the top of the discharging area, and the smashing area is arranged at the top of the heating area. The meshing parts are symmetrically arranged on the two sides of the inner wall of the control box. Each meshing part is provided with a switching motor, a guide plate shell, a traction pull plate, a torque motor and a smashing roller shaft. As the crushing roll shafts on the two sides can be blocked or passivated due to the fact that plastic particles are blocked in gaps during continuous working, after crushing work is carried out for a period of time, the motor is switched to turn the crushing roll shafts on the two sides, and the crushing roll shaft without attached plastic residues on the other side is used for continuously carrying out crushing work; therefore, the continuous working time of the device is prolonged, and meanwhile the problem that the crushing roller shaft is passivated and stuck is avoided.

This invention relates to a modified zero-valent iron / biochar composite material with oxygen-rich vacancies and its application. The modified zero-valent iron / biochar composite material comprises a biochar carrier and zero-valent iron loaded on the biochar carrier. The surface of the zero-valent iron is coated with sulfur-containing iron compounds and / or boron-containing iron compounds, and the surface of the zero-valent iron contains abundant oxygen vacancies. The modified zero-valent iron / biochar composite material is specifically prepared by the following method: dispersing the biochar carrier and zero-valent iron in oxygen-free water and grinding; adding a sulfur source or boron source to the ground suspension, stirring and grinding thoroughly, and drying; subsequently soaking in a reducing solution, followed by high-temperature calcination and cooling to obtain the modified zero-valent iron / biochar composite material. Compared with the prior art, the modified zero-valent iron / biochar composite material prepared by this invention can be used synergistically with compound oxidants to achieve effective remediation of organically contaminated soil.

The present invention relates to the field of electrochemical materials, and in particular to a method for synchronously and continuously preparing a lithium iron phosphate precursor and hydrogen and its application. The preparation method uses iron metal as a working electrode and a hydrogen evolution reaction counter electrode material as a counter electrode, and electrolysis occurs in an acidic electrolyte or a neutral electrolyte to prepare hydrogen and a lithium iron phosphate precursor. The method has the advantages of low cost, high safety, good cycle performance, good reaction sustainability, and high yield.

The invention relates to preparation of graphene-loaded nano zero-valent iron and application of the graphene-loaded nano zero-valent iron in chromium-containing wastewater treatment. The preparation method comprises the following steps: preparing 60mL of a KBH4 solution with the concentration of 0.5 mol / L as a solution A and 60mL of a FeSO4. 7H2O solution with the concentration of 0.1 mol / L as a solution B, adding 0.25 g of a single-layer graphene oxide dispersion liquid into the solution B, stirring for 30 minutes, recording as a solution C, slowly dripping the solution A into the solution C, performing suction filtration separation on powder C, and drying to obtain nZVI-coated GO. The graphene is loaded with nZVI to adsorb chromium in chromium-containing wastewater, and nZVI-GO-Cr formed after wastewater treatment can be used as an auxiliary tanning agent for leather tanning or retanning sections and has good recyclability.

The invention relates to the technical field of latex production equipment, and discloses a fully automatic intelligent scraper and a film drum, comprising a bearing seat, on which a knife seat is arranged; a scraper body is fixed to the circular arc section of the knife seat by a countersunk screw; an axle seat is arranged on the circular arc section of the knife seat, a first axle rod is rotatably connected to the axle seat, a shaft sleeve is rotatably connected to the first axle rod, a guide plate is arranged on the shaft sleeve, the guide plate is composed of a duckbill portion, a slope section, and a tail portion in sequence, the duckbill portion is buckled on the circular arc section, the slope section is used to connect the shaft sleeve, a first spring seat is arranged on the bottom surface of the tail portion, a first spring is arranged on the first spring seat, a second spring seat is arranged at the free end of the first spring, and the second spring seat is connected to the circular arc section of the knife seat; the invention arranges an air blowing groove on the scraper body to enable rapid separation of the film from the drum, so that a gap can be left between the scraper body and the drum to avoid passivation of the scraper body, and a fully automatic intelligent scraper device system for continuous production without replacing the scraper can be provided.

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

The application discloses an intelligent network operation and maintenance management method based on user behavior analysis and belongs to the technical field of network operation and maintenance management. The method obtains original behavior log data of a user terminal, performs double alignment of a behavior baseline and an abnormal deviation degree to obtain a user behavior time sequence feature sequence; a user behavior analysis model including an input gating layer, a behavior memory evolution layer and an output mapping layer is constructed, the input gating layer splits the feature sequence into a steady-state behavior component and a transient behavior component; the behavior memory evolution layer differentiates and stores and fuses the two components through a competition mechanism to generate a behavior evolution state field; the output mapping layer performs nonlinear decoupling on the behavior evolution state field to output a user behavior abnormal risk measure and a behavior prediction path; and a potential risk node and an expected behavior trajectory are determined according to the user behavior abnormal risk measure and the behavior prediction path, and a dynamic access control strategy is generated. The method can improve the abnormal behavior recognition accuracy and the timeliness of dynamic adjustment of access control.

The application relates to the technical field of insulator manufacturing, and discloses a roughing device for an electric porcelain insulator blank, which comprises a rack, a mold is rotationally connected to the upper surface of the rack, and a lifting frame is slidably connected to the outer surface of the rack; an adjusting shaft is rotationally connected to the outer surface of the lifting frame, a first roughing cutter and a second roughing cutter are fixedly connected to one end of the adjusting shaft, and a first adjusting assembly is arranged at the other end of the adjusting shaft and used for controlling the rotating angle of the adjusting shaft. The roughing device for the electric porcelain insulator blank can effectively solve the problem that, when the cutting amount of the blank is large, the cutting resistance of the roughing cutter is large, the roughing cutter vibrates, scratches, unevenness, burrs and other defects appear on the surface of the blank, the surface flatness is reduced, the size precision of the electric insulator blank is reduced, and the electrical performance and appearance of the insulator are affected.

The invention discloses a preparation method and application of a sulfur passivation-resistant coupled energy-saving hydrogen production difunctional electrocatalyst, and relates to the technical field of preparation of energy-saving hydrogen production electrocatalysts, and the preparation method comprises the following steps: pretreatment of foamed nickel, hydrothermal reduction preparation of a MoSe2 / NiSex / NF catalyst, and coupled application of SOR and HER. According to the preparation method, a porous network and a multi-dimensional electron transfer path which are mutually connected in foamed nickel are utilized, and a high-temperature and high-pressure hydrothermal reduction method is adopted to anchor and grow a mixed phase component on a conductive substrate foamed nickel framework, so that effective compounding of multi-phase components is realized, and mass transfer and charge transfer are enhanced; the conductivity and the electrocatalytic activity are further improved; the prepared MoSe2 / NiSex / NF not only has the sulfur phobic characteristic, but also has selectivity on S < 2-> conversion, so that a polysulfide product instead of elemental sulfur is generated in the electrooxidation process, and the electrocatalytic activity of the MoSe2 / NiSex / NF in the long-term SOR process is maintained, thereby preparing the difunctional electrocatalyst with good conductivity, high catalytic activity and sulfur passivation resistance.

The utility model relates to the field of conductive slip ring assembly, in particular to a portable conductive slip ring assembly auxiliary tool, which comprises a storage hopper, a glue outlet pipe, a sealing cover, a gluing mounting component and the like, the lower side of the storage hopper is connected with the glue outlet pipe, and the sealing cover is clamped on the left side of the middle lower part of the storage hopper; the storage hopper is provided with a gluing installation assembly used for conducting gluing and component installation when the conductive slip ring is assembled. By moving the button, the piston moves to extrude glue to flow out for gluing, and then the screw is contacted with the conductive slip ring, so that the screwdriver is unfolded and then the screw is rotated and tightened for fixation, the screwdriver can be directly rotated and unfolded to tighten the screw for auxiliary assembly after gluing is carried out during assembly of the conductive slip ring, the operation is simple, tools do not need to be replaced, and the working efficiency is improved. The device is convenient to carry and use, improves the assembly efficiency, reduces the assembly cost, and is convenient to use.

The invention belongs to the technical field of photoelectrocatalysis and environmental governance, and particularly relates to a zinc cadmium sulfide / titanium dioxide composite material, a preparation method thereof and application of the zinc cadmium sulfide / titanium dioxide composite material as a composite photoanode in hydrogen sulfide photoelectrocatalytic decomposition. The zinc cadmium sulfide / titanium dioxide composite material provided by the invention comprises an anatase phase TiO2 nanotube array arranged on the surface of a conductive substrate; and the CdZnS nano-particles are deposited on the anatase phase TiO2 nano-tube array. The zinc cadmium sulfide / titanium dioxide composite material provided by the invention is applied to hydrogen sulfide photoelectrocatalytic decomposition as a composite photo-anode, has high catalytic activity, high stability and high product selectivity, realizes synchronous H2 generation and H2S detoxification, and does not need complex separation steps. According to the invention, a novel material design strategy is provided for a high-performance PEC-H2S conversion system, and a technical insight is provided for green resource utilization of sulfide pollutants.

The invention discloses negative electrode lead paste for enhancing the low-temperature performance of a lead-acid storage battery and a preparation method of the negative electrode lead paste, and belongs to the technical field of lead-acid storage batteries. The negative electrode lead paste is prepared from the following components in parts by weight: 100 parts of lead powder, 0.1 to 0.2 part of barium sulfate, 0.01 to 0.05 part of humic acid, 0.01 to 0.005 part of carbon black, 0.005 to 0.02 part of short fiber, 1 to 10 parts of water and 0.01 to 0.05 part of UiO at C expanding agent. According to the present invention, the UiO-C expanding agent having the metal organic frame structure is added, and the advantages of excellent thermal stability, large specific surface area and low internal resistance of the UiO-C expanding agent are utilized to replace the traditional lignin expanding agent, such that the internal resistance of the lead-acid storage battery can be reduced, and the low temperature performance of the lead-acid storage battery can be improved;

This application provides a highly sensitive and interference-resistant microsensor for ethylene monitoring, comprising a housing and a working electrode, a reference electrode, and a protective electrode disposed within the housing. One end of the housing is a detection tip, and the other end is a mounting end. The detection tip is sealed and filled with a breathable membrane layer. The housing is filled with a composite ionic electrolyte. The detection end of the working electrode is coated with a Pd-based doped composite nanolayer, which is applied to the detection end of a platinum wire substrate using a sputtering process. This application, through improvements to the electrode material, nanocoating process, and electrolyte system, effectively enhances the detection accuracy of the microsensor for ethylene detection, achieving nano-molar level accuracy, while also improving its interference resistance, coating stability, and service life.

The invention belongs to the technical field of veterinary instruments, and particularly relates to a clinical vaccination auxiliary device and method for veterinarians, the clinical vaccination auxiliary device comprises a vaccination gun and a needle tube mounted at the end of the vaccination gun, the vaccination gun is provided with a bottle seat for placing a vaccine bottle, and the bottle seat is provided with a puncture needle for puncturing the vaccine bottle; the adjusting mechanism comprises a sleeve disc which is fixedly arranged on the vaccination gun in a sleeving manner, and a connecting frame with a sliding plate is fixedly mounted on the sleeve disc; through the design of a connecting frame, a sliding plate, an adjusting plate and an adjusting groove, the length of the needle tube entering the poultry body is controllable, and the length of the needle tube penetrating into the poultry body is rapidly adjusted according to the actual requirements of different poultry. Therefore, the device adapts to the body types, day ages, fat and thin degrees and injection site differences of different poultry, and avoids the situations that vaccines cannot be effectively absorbed and immune fails due to too shallow needle insertion, or internal organs, blood vessels and nerves are damaged due to too deep needle insertion, and stress and tissue damage of the poultry is aggravated.

The invention relates to the technical field of garment processing, and provides a discharging machine for garment processing, which comprises a processing table, two sides of the top end of the processing table are fixedly connected with a first roller and a fourth roller respectively, and the top end of the processing table is fixedly connected with a second roller and a third roller on the sides, close to each other, of the first roller and the fourth roller; according to the waste cutting device, the motor is started and drives the rotating shaft to rotate, the rotating shaft drives the second gear and the rotating rod to rotate through the first gear and the first rotating wheel, the second gear drives the discharging roller to rotate, the discharging roller pulls waste falling from the discharging opening after cutting, and therefore the situation that the waste is hung on cloth due to incomplete cutting is avoided; the rotating rod drives the moving sleeve to reciprocate, the moving sleeve drives the push rod to move, the push rod drives the cutting knife to reciprocate in the moving groove, and when the cutting knife completely extends out, the cutting knife makes contact with the discharging opening in the opposite side, so that waste which is not completely cut and cannot be pulled and separated by the discharging roller can be cut, and the discharging efficiency is improved.

The invention relates to a TOPCon battery and a preparation method thereof.According to the TOPCon battery, a singlet fission layer is arranged on an aluminum oxide passivation layer of a battery piece, high-energy singlet excitons can be generated after high-energy photons are absorbed, the high-energy singlet excitons are converted into two triplet excitons, the short-circuit current of the battery piece can be increased, meanwhile, heat loss is not caused, and the efficiency of the battery piece is improved. And the conversion rate of the battery piece can be improved. In addition, a sulfanyl compound is introduced into the pentacene singlet fission layer, so that the stability and singlet fission performance of the singlet fission layer can be improved. Besides, the ultrathin passivation layer containing hafnium oxynitride is arranged below the singlet fission layer, so that the singlet fission performance of the singlet fission layer can be promoted, and a silicon semiconductor can be prevented from being passivated.

The application discloses a ball-milling mixed iron powder and a preparation method and application thereof. The mixed iron powder is prepared from iron powder, a solid oxidizing agent and a phenolic compound as raw materials. In a ball-milling condition, different valence iron species are generated in situ through a pre-oxidation effect of the solid oxidizing agent, self-depassivation is realized, and the passivation phenomenon generated by zero-valent iron in water is overcome. The mixed iron powder has high reactivity and can be used for wastewater treatment containing oxidizing components.

The invention relates to the technical field of zinc-silver reserve batteries, in particular to a low-temperature electrolyte preparation device and method for a zinc-silver reserve battery, and the method comprises the following steps: S1, preparing a basic electrolyte, S2, preparing a composite functional additive, S3, mixing a composite electrolyte, and S4, carrying out vacuum degassing treatment. The device comprises a mixing tank, a liquid density sensor is arranged in the mixing tank, and an additive feeding assembly is arranged at the top of the mixing tank; a rotation driving part is fixedly connected to the top of the mixing tank and fixedly connected with a rotating shaft, and a first stirring paddle assembly is arranged at the bottom of the rotating shaft; the rotating shaft is sleeved with a sleeve, a second stirring paddle assembly is arranged at the bottom of the sleeve, and a transmission assembly is arranged between the second stirring paddle assembly and the rotating shaft. The electrolyte is prepared by introducing the composite functional additive, the working performance of the zinc-silver battery under the wide temperature range condition is improved, the preparation device in a specific stirring mode is combined for preparation, the mixing efficiency of the additive and the basic electrolyte is guaranteed, and the finished product quality of the low-temperature electrolyte is improved.

This invention discloses a rapid cold-start water electrolysis hydrogen production system, belonging to the field of water electrolysis hydrogen production technology. The system includes an electrolyzer, a hydrogen-side gas-liquid separator, an oxygen-side gas-liquid separator, and a heat exchanger. The electrolyzer is connected to the inlet of the hydrogen-side gas-liquid separator via a first gas-liquid delivery pipeline, and to the inlet of the oxygen-side gas-liquid separator via a second gas-liquid delivery pipeline. The outlet of the hydrogen-side gas-liquid separator is connected to a first circulation branch, and the outlet of the oxygen-side gas-liquid separator is connected to a second circulation branch. Both the first and second circulation branches are connected to the first inlet of the heat exchanger via a first main circulation pipeline. The first outlet of the heat exchanger is connected to the electrolyzer via a second main circulation pipeline. This invention can significantly reduce the cold-start voltage, prevent electrode passivation in the electrolyzer, improve electrolysis efficiency, and reduce hydrogen production energy consumption.

The utility model provides an anode device for protective atmosphere ionic liquid plating. The anode device comprises an electroplating container, an anode basket, an anode conducting rod, a supporting seat and a lifting part, the electroplating container is provided with an electroplating bath with an upward opening, and the electroplating bath is used for containing electroplating liquid; the anode basket is accommodated in the electroplating bath, the top of the anode basket is connected with a hook, and the anode basket is used for accommodating a metal anode material; the anode conducting rod is mounted on the electroplating container, and the hook is hung on the anode conducting rod, so that the anode basket is hung on the anode conducting rod; the number of the supporting seats is two, and the two supporting seats are movably installed on the electroplating container in the vertical direction, located at the two ends of the anode conducting rod correspondingly and used for supporting the anode conducting rod. A base of the lifting part is fixedly installed on the electroplating container, the lifting output end of the lifting part is connected with the supporting base, and the lifting part is used for lifting of the supporting base. The device can prevent the anode from being passivated.

The invention provides a cathode plate for efficiently preparing electrolytic copper, and belongs to the technical field of electrolytic copper equipment. A stainless steel plate A (the texture direction is in the rolling direction), a copper foil and a stainless steel plate B (the texture direction is perpendicular to the rolling direction) are subjected to high-pressure vacuum compounding and edge ion beam welding, and then the stainless steel plate A, the copper foil and the stainless steel plate B are welded with a conducting rod to form an integral cathode plate structure. The method can not only effectively prevent electrode plate conductivity reduction and uneven charge distribution caused by passivation of the inner surface of the electrode plate, greatly improve the electrolytic efficiency and the current utilization rate, but also effectively prevent deformation or short circuit of the cathode plate, and realize green energy-saving production.

The invention relates to the technical field of hydrogen storage materials, in particular to a 5A zeolite molecular sieve confined magnesium-based hydrogen storage material and a preparation method thereof.The preparation method comprises the following steps that water is added into a 5A zeolite molecular sieve for ball milling, roasting is conducted after heating dehydration is conducted, then a modifier 3-aminopropyl phosphonic acid is added for ball milling, heat treatment is conducted, and the modified 5A zeolite molecular sieve is obtained; magnesium is added into the modified 5A zeolite molecular sieve for ball milling, and then the magnesium-based hydrogen storage material limited by the 5A zeolite molecular sieve is obtained through pressure forming. The 3-aminopropylphosphonic acid modified 5A zeolite molecular sieve is used as a protective layer on the surface of the magnesium-based hydrogen storage material block, magnesium in the material can be prevented from being oxidized and passivated or spontaneously combusted when the material is stored in air, and meanwhile, the 3-aminopropylphosphonic acid modified 5A zeolite molecular sieve is used as a dispersing agent which does not hinder hydrogen diffusion among magnesium particles in the magnesium-based hydrogen storage material block; and the hydrogen absorption / hydrogen desorption rate can be improved.

The present invention discloses a universal rapid clarification and anti-scaling system and an application method thereof. The system comprises a water inlet pipe with an input pump, the inlet of the water inlet pipe is connected to a water source, the outlet of the water inlet pipe is connected to a pipeline type electric flocculation inlet, the outlet of the pipeline type electric flocculation is connected to a permanent magnet cyclone through a pipeline mixer, the top of the permanent magnet cyclone is connected to a solid-liquid separation device and a pipeline type cyclone separation device through a water pipeline, and the bottom of the permanent magnet cyclone and the solid-liquid separation device are respectively connected to a sediment separation box. The device system of the present invention improves the flocculation treatment effect by adopting the electric flocculation technology combined with a mixer, and utilizes the four-stage enhanced solid-liquid separation technology, with fast and good separation efficiency, small sewage discharge, and no secondary pollution problem. In the long-term operation process, it can effectively avoid common industrial problems such as scaling, wall adhesion, scarring, and blockage, and each component can be used independently or in combination, suitable for various application environments.

The utility model discloses a precision machining self-adaptive error compensation device which comprises a base, an installation plate is fixedly installed on the left side of the top of the base, an air cylinder is fixedly installed on the top of the installation plate, an installation frame is fixedly installed at the output end of the air cylinder, and a motor is fixedly installed on the right side of the installation frame. A cutting disc is rotationally connected to the inner side of the mounting frame, and the output end of the motor is fixedly connected with the cutting disc. The compensation mechanism is used for compensating cutting abrasion of the cutting disc, cutting edge passivation and cutting effect reduction of the cutting disc after long-time cutting of the cutting disc are avoided, the cutting effect and efficiency of the cutting disc on workpieces are improved, and meanwhile the problems that in the workpiece precision machining process, the workpieces can be cut, and in the cutting process, the cutting efficiency of the workpieces is reduced are solved. The problems that the cutting disc is passivated due to abrasion of different degrees, and the cutting efficiency of the cutting disc on the workpiece is reduced are solved.

The utility model relates to the technical field of non-woven fabric winding, and discloses a cutting assembly for a winding machine, which comprises two mounting plates, a motor is mounted on one of the mounting plates, a rotating shaft is rotatably mounted between the two mounting plates, an output shaft of the motor is connected with one end of the rotating shaft, a plurality of mounting cylinders are arranged on the rotating shaft, and the mounting cylinders are connected with the motor. And a cutting blade is mounted on each mounting cylinder, side plates are fixed to the two mounting plates, a top plate is fixed between the two side plates, and a plurality of sharpening assemblies are arranged on the top plate. Through the design of the knife sharpening assembly, it is guaranteed that the cutting blade is always kept sharp in the using process, passivation of the blade is avoided, and therefore it is guaranteed that the cutting effect on non-woven fabric is always kept in the best state, and the product quality and the production efficiency are improved.

According to the foamy carbon composite coating electrode, the preparation method thereof and the lead flow battery, the chemical copper plating middle layer and the electrochemical deposition lead layer are sequentially compounded on the foamy carbon, and compared with a traditional carbon polymer graphite plate electrode, the conductivity of a negative electrode is greatly improved; the middle copper-plated layer enhances the bonding strength with the outer-layer electrodeposited lead in a metal bond and solid solution strengthening mode, the bonding strength of the outer-layer electrodeposited lead of the electrode and the same substance of the electricity storage Pb layer of the negative electrode after the battery is charged is higher, and the electricity storage deposited layer can be prevented from falling off; compared with a traditional carbon polymer graphite plate electrode, the composite coating electrode has no obvious corner angles and tips, the tip effect in the electro-deposition process is greatly eliminated, and dendritic crystal growth of a negative electrode electricity storage deposition layer Pb is restrained.

This application relates to the field of industrial wastewater treatment technology, and more particularly to an electrochemically coupled microbubble integrated oxidation device. The device comprises a circulation tank, a water pump, a micro / nano reactor, and an electrochemical electrolyzer, connected in sequence to form a circulation loop. Wastewater first flows through the micro / nano reactor to enrich microbubbles before entering the electrochemical electrolyzer. A gas curtain generator is integrated at the bottom of the electrode module of the electrochemical electrolyzer. This device is configured to release a uniformly rising gas curtain between the anode and cathode plates to enhance mass transfer in conjunction with the electrochemical reaction and to clean the electrodes online. This application significantly improves treatment efficiency, effectively prevents electrode passivation, and achieves energy-saving operation by integrating pre-aeration, electrochemical oxidation, and inter-electrode gas curtain disturbance into a single process, combined with intelligent power control.

The invention discloses a biomass acid desulfurization synergist as well as a preparation method and application thereof. The biomass acid desulfurization synergist comprises the following components in percentage by mass: 30-60% of a biomass acid active component, 10-30% of an alkalinity supplement, 5-15% of a metal ion chelating agent, 3-10% of a wetting dispersant and the balance of water. The biomass acid desulfurization synergist can supplement alkalinity in thermodynamics, can reinforce the mass transfer process in dynamics, can enhance the system stability and impact load resistance, and has important industrial application value.