382results about How to "Solve the blockage" patented technology

The invention discloses high-purity oxamide with concentrated particle size and spherical morphology, a preparation method of the high-purity oxamide and application of the high-purity oxamide in preparation of a slow-release fertilizer, and belongs to the technical field of oxamide synthesis and application. The method comprises the following steps: mixing an ammonia-alcohol solution and an alcohol ester solution, conveying the mixed solution into a series tubular reactor for reaction, and then conveying the mixed solution into a parallel tubular reactor for reaction after pressure stabilization and flow equalization to obtain a reaction solution containing oxamide; performing flash evaporation on the reaction liquid to obtain flash evaporation liquid and flash evaporation gas, and performing solid-liquid separation on the flash evaporation liquid to obtain solid oxamide and filtrate; and drying the solid oxamide to obtain the oxamide. The method realizes high conversion rate and high purity, and the product has ultrafine particle size distribution. The purity of the prepared oxamide is greater than or equal to 99%, the D50 particle size is concentrated to 50 + / -15 microns, the spherical morphology is uniform, the release is stable, and the oxamide has a very good effect in preparation of long-acting slow-release fertilizers and combustion inhibitors and research on the nitrogen utilization rate.

The utility model discloses a plastic wood product production system device which comprises a main material storage and conveying area, an auxiliary material feeding and weighing area and at least one mixed material conveying, extruding and feeding area. A CaCO3 main material storage and conveying unit, a CaCO3 transition unit, two groups of PVC main material storage and conveying units and a wood powder main material storage and conveying unit are arranged in the main material storage and conveying area; a group of auxiliary material pouring bin dedusting and weighing units are arranged in the auxiliary material feeding and weighing area; a mixing unit, a mixture conveying unit and a mixture storage and extrusion feeding unit are arranged in the mixture conveying, extruding and feeding area. The device has the advantages of being efficient in operation, high in weighing precision, good in mixing effect, remarkable in energy conservation, environmentally friendly, high in automation degree and the like.

The application discloses a powder bonding forming device and method for a complex geological model, which comprises a 3D printing control system, a material conveying tank, a powder falling and paving assembly, a forming box, an inkjet printing assembly, a rack, a forming box moving assembly, a longitudinal beam module and a powder cleaning assembly; the material conveying tank is fixed above the powder falling and paving assembly; the powder falling and paving assembly and the inkjet printing assembly are respectively fixed on longitudinal beam sliding rails of the longitudinal beam module through sliding blocks, and the two are separately moved without interfering with each other during printing and forming; the forming box is located directly below a rectangular space surrounded by the longitudinal beam module, and a forming platform is located in the forming box; the forming box moving assembly is arranged at the bottom of the forming box, and the forming box can be moved along a tow chain to realize moving in for printing and moving out for powder cleaning. The powder paving and bonding functions of the equipment are realized through different modules, the printing efficiency is improved, in addition, the forming platform is lifted from the side, the overall height of the equipment is greatly reduced, and stable vertical movement of the equipment is ensured.

This invention provides a system and method for recovering polycrystalline silicon slurry. The polycrystalline silicon slurry recovery system includes: a flash tank, a settling tank, a dryer, a dryer condenser, a scrubbing tower, and a clarified liquid tank. The slurry enters the flash tank through its inlet; the flash tank's gas phase outlet is connected to the clarified liquid tank's inlet; the flash tank's solid-liquid mixture outlet is connected to the settling tank's inlet; the settling tank's solid-liquid mixture outlet is connected to the dryer's inlet; the clarified liquid tank's outlet is connected to the scrubbing tower's liquid phase inlet; the dryer's gas phase outlet is connected to the scrubbing tower's gas phase inlet; the scrubbing tower's liquid phase outlet is connected to the clarified liquid tank's inlet; the scrubbing tower's gas phase outlet is connected to the dryer condenser's inlet; and the dryer condenser's outlet is connected to the clarified liquid tank's inlet. This recovery system can efficiently separate the solid and liquid phases in the slurry, recovering chlorosilanes and dry powder from the slurry, and also avoids silicon powder clogging problems in subsequent equipment.

This invention discloses a flue gas denitrification device and method for thermal power plants. The flue gas denitrification device includes: a primary cyclone separator, a secondary electrostatic precipitator, a denitrification tower, a steam heating assembly, and a control module. The secondary electrostatic precipitator is located downstream of the primary cyclone separator in the flue gas flow direction. The denitrification tower is connected to the secondary electrostatic precipitator via a conveying pipe. One end of the conveying pipe is connected to the outlet of the secondary electrostatic precipitator, and the other end is connected to the inlet of the denitrification tower. A temperature sensor is installed on the conveying pipe. The steam heating assembly is used to introduce steam into the conveying pipe. According to this invention, the flue gas denitrification device for thermal power plants effectively removes large and fine dust particles, eliminates the risk of dust clogging and poisoning of the denitrification catalyst, improves the uniformity and efficiency of the denitrification reaction, and avoids dust clogging of the atomizing nozzles, thereby improving denitrification efficiency.

This utility model relates to the field of ironmaking technology, specifically to a fluidization device for the conveying pipeline of a flue gas desulfurization silo in a hot blast stove. This device addresses the problem of poor fluidity and easy adhesion of the desulfurizing agent, preventing it from fully reacting with the waste gas and resulting in inadequate waste gas treatment. The device includes a first and second ball valve on both sides of the silo bottom, a first and second fluidizing pipe running inside the branch pipes, and a fifth and sixth ball valve outside the two branch pipes. When blockage occurs, the first and second ball valves are opened to introduce nitrogen into the bottom of the silo for the first fluidization. Then, the first and second fluidizing pipes are opened, and nitrogen is introduced for the second fluidization. The fifth and sixth ball valves are further opened to introduce nitrogen for the third fluidization. Finally, the loss-in-weight feeder is activated to feed material into the flue gas desulfurization silo through mechanical stirring, reducing material accumulation, lowering the probability of blockage, and effectively solving the problems of material buildup, blockage, and poor material flow at the silo bottom.

This utility model relates to an anti-clogging reactor for the resource recovery and preparation of ammonium sulfate from high-concentration ammonia-containing waste gas. The reactor body includes an absorption zone and a crystallization zone from top to bottom, with the crystallization zone and the absorption zone connected. The absorption zone is located above the liquid surface, and the crystallization zone is located below the liquid surface. The top of the absorption zone has a tail gas outlet, and the bottom of the crystallization zone has a crystal slurry outlet. An external Venturi reaction zone is located below the absorption zone of the reactor body, connected to the reactor body. The Venturi reaction zone has an inlet for the ammonia-containing waste gas and an inlet for the circulating absorbent liquid. The external Venturi reaction zone forms a primary absorption, reducing the intensity of the absorption reaction within the reactor and significantly improving the anti-clogging capability.

The utility model relates to a potassium nitrate crystallization device and belongs to the technical field of potassium nitrate production and processing. The device mainly comprises a tank body, a stirring assembly, a heat exchange tube group, an anti-scaling wall-scraping mechanism and a discharging assembly, a conical flow guide part is arranged at the bottom of the tank body; the heat exchange efficiency of the heat exchange tube group is enhanced through fins; the anti-scaling wall scraping mechanism removes crystals through a scraping plate; the stirring assembly optimizes liquid flowing;

The utility model relates to the technical field of universal crushers, in particular to an anti-residue universal material crusher. The device comprises a crushing operation shell, a discharging shell is arranged at the bottom of the crushing operation shell, a supporting table is arranged on the outer wall of the crushing operation shell, a cylindrical screen is movably arranged in the crushing operation shell, a crushing assembly is further arranged in the crushing operation shell, a screen rotating assembly is arranged below the cylindrical screen, and the screen rotating assembly is in transmission connection with the cylindrical screen. The screen rotating assembly is further in transmission connection with the smashing assembly, and a feeding assembly is arranged on the front face of the smashing operation shell. Through the matched design of the screen rotating assembly and the scrapers, the motor drives the cylindrical screen to rotate at a low speed through transmission of the chain wheel and the chain while driving the crushing operation, the scrapers tightly attached to the inner wall of the screen continuously scrape, powdery materials adsorbed or adhered to the surface of the screen due to static electricity can be removed in time, and the problem of screen blockage is effectively solved through the design; and the screen is always kept in a good transparent state.

The utility model discloses an antibacterial air filter, which relates to the technical field of air filters, and comprises a shell, a transmission mechanism is rotatably mounted in the shell, the end part of the transmission mechanism is connected with a chassis, the chassis is provided with a clamping groove I, and an impurity filtering layer is inserted in the clamping groove I; a second clamping groove is formed in the bottom of the shell, a sterilization filtering layer is clamped in the second clamping groove and arranged on the outer side of the impurity filtering layer in a sleeving mode, a top cover is arranged at the end of the shell, an air inlet is formed in the top cover, and an exhaust outlet is formed in the side wall of the shell. According to the utility model, through the rotation of the side wheel, the gear disc drives the impurity filtering layer to rotate, so that air entering the impurity filtering layer is in uniform contact with the impurity filtering layer, blockage or failure caused by overuse of a local area is avoided, the air is promoted to flow more uniformly in the filtering layer, and the air filtering effect is improved. Particulate matters and impurities have more opportunities to be captured, so that the overall filtering effect is improved.

The utility model belongs to the technical field of mixing devices, and particularly relates to a mixing device for cable sheath material production, which comprises a box body, the top end of the box body is connected with a feed hopper, the bottom end of the box body is connected with a discharge pipe, a stirrer is assembled in the box body, a support filter plate is mounted in the box body, and the support filter plate is connected with the feed hopper. A baffle is inserted into the end face of the box body. Through cooperation of the threaded sleeve, the guide rod and the two-way threaded rod, the fixing effect of the fixing block on the rectangular block can be relieved, so that the baffle can be conveniently detached, and a net opening for supporting the filter plate is exposed. Therefore, after the cable sheath material is mixed, the discharging pipe is opened, and the cable sheath material can be uniformly discharged through the net opening of the supporting filter plate under the combined action of the stirrer and the supporting filter plate, so that the problem of blockage possibly caused by the fact that all the cable sheath material flows into the discharging pipe when the discharging pipe is directly opened is effectively avoided.

The application relates to the technical field of intelligent household appliances, and discloses a method for heat dissipation of an air conditioner, which comprises the following steps: determining whether freezing phenomenon exists at a drain outlet according to the change condition of the light reflectivity at the drain outlet; in the case that freezing phenomenon exists, starting a semiconductor heat dissipation fin and increasing the rotating speed of a circulating pump body; and in the case that freezing phenomenon does not exist, adjusting the rotating speed of the circulating pump body according to the temperature of an aluminum base plate. Heat is efficiently guided to the outdoor unit chassis through a heat conduction medium in a heat conduction pipeline to perform ice removal or defrosting, the clogging problem caused by the icing or frosting of the drain outlet is avoided, the utilization rate of energy is improved, the flow rate of the heat conduction medium in the heat conduction pipeline is adjusted based on the overall temperature of the heating component, the heat conduction efficiency of the heat conduction pipeline is matched with the overall temperature of the heating component, and the electric control box of the air conditioner can be timely heat dissipated. The application further discloses a device for heat dissipation of an air conditioner, an air conditioner and a storage medium.

The present application belongs to the field of metallurgy, and particularly relates to a multi-point distribution device and method for a flash reduction iron / steel furnace and a smelting furnace. The distribution device comprises a stock bin, a pressure equalizing tank, a blowing tank, a plurality of material conveying pipes and nozzles. The stock bin is connected to the pressure equalizing tank through a valve, and the pressure equalizing tank is connected to the blowing tank through a valve. The blowing tank is a hollow cavity, and the blowing tank is connected to the initial ends of the plurality of material conveying pipes. The terminal ends of the material conveying pipes are connected to the nozzles. A carrier gas pipe is connected to the blowing tank. The present application can realize high dispersion and uniform distribution of the furnace charge on the cross section of the furnace hearth by rational distribution of the plurality of nozzles on the furnace wall and in combination with an independent material distribution air system, thereby avoiding local accumulation and creating optimal initial conditions for efficient and uniform flash reaction.

The invention discloses a liquid manure distributor and a drip irrigation system, the liquid manure distributor comprises a manure storage tank and at least one screw rod, the outer wall of the screw rod is spirally provided with conveying blades in a surrounding manner, the power input end of the screw rod is provided with a motor, and the screw rod is transversely arranged in the manure storage tank in a penetrating manner; when the motor is kept in a starting state and liquid manure is continuously input from the manure inlet, the liquid manure firstly falls on the conveying blades of the screw rod, meanwhile, the motor drives the screw rod to continuously rotate, and the conveying blades of the screw rod push the liquid manure on the conveying blades to spirally move until the liquid manure reaches the bottom of the screw rod; the liquid manure is separated from the screw rod, falls into the bottom of the manure storage tank and is finally discharged through a plurality of distribution pipes; wherein in the process that the liquid manure falls on the conveying blades of the screw rod and falls from the screw rod, the vertically falling liquid manure is transversely crushed by the screw rod, so that the liquid manure is uniformly distributed at the bottom of the manure storage tank, and the uniform discharge of the liquid manure is realized.

The invention relates to the technical field of liquor industrial wastewater treatment, in particular to an advanced treatment system and method for liquor industrial wastewater. Comprising a water inlet pump, a quartz sand filter in pipeline connection with the water inlet pump, a self-cleaning filter in pipeline connection with the quartz sand filter, an ultrafiltration device in pipeline connection with the self-cleaning filter, an ultrafiltration water producing tank in pipeline connection with the ultrafiltration device, and a nanofiltration water feeding pump in pipeline connection with the ultrafiltration water producing tank, according to the present invention, the problem that the organic matter cannot be deeply and substantially removed after the biochemical treatment can be solved, and the separation treatment cost is low, and the high-cost treatment modes such as the advanced oxidation process such as Fenton do not need to be adopted so as to substantially reduce the production operation cost. According to the invention, blockages are backwashed to the micro-electrolysis device at the same time, so that the problem of blockage can be solved, and the centralized treatment efficiency of high-concentration pollutants causing blockage is also greatly improved.

The utility model belongs to basket type filter and impurity removal equipment technical field, concretely is a kind of pesticide filling basket type filter and impurity removal device, including filter cartridge and the inner tube of its inside center;The outside of inner tube is equipped with filter frame, and the inside of filter frame is filter core, and the outside of filter core is detachably fixed with filter membrane;The inside of filter cartridge is equipped with hollow cylinder rotating around filter frame axis, and it is circumferentially distributed in the outside of filter membrane, and the inside of hollow cylinder is fixed with the scraping piece adhering to the outer surface of filter membrane, and the inside of hollow cylinder is equipped with helical lifting part, and the top of hollow cylinder is impurity storage space.The utility model can automatically intercept impurity in the outermost side when filtering operation, and the cleaning mode of real-time scraping and helical lifting is assisted, the impurity is scraped off at the same time, is lifted upward, so that it enters storage area, to maintain the integrity of filter structure, prevent clogging while maintaining the continuity of filling operation.

This utility model belongs to the field of concentrated water reuse and impurity removal technology, specifically relating to a concentrated water reuse and impurity removal device, including a reaction tank. A feeding cylinder is fixedly connected to the lower end of the reaction tank, and four evenly distributed support legs are also fixedly connected to the lower end of the reaction tank. A filter screen is slidably connected to the inner wall of the feeding cylinder, and a traction line is fixedly connected to the lower end of the filter screen. The traction line is slidably connected to the feeding cylinder. This solution, through the filter screen, can filter out impurities generated during the static reaction of the mixed solution. Pulling the traction line downwards moves the filter screen away from the contact block, causing the anti-rust spring to deform. When the traction line is released, the anti-rust spring returns to its original deformation, pushing the filter screen to contact and impact the contact block. This allows the filter screen to vibrate and clean the impurities, preventing filter screen clogging and ensuring the filter screen's flow efficiency.

The present application relates to the technical field of excrement treatment, in particular to a comprehensive treatment method and system for livestock and poultry excrement, wherein the comprehensive treatment system for livestock and poultry excrement comprises an excrement dry-wet separation device for dry-wet separation of excrement. The excrement dry-wet separation device comprises a machine case, a filter cartridge, an auger assembly, a pressing plate and a cleaning assembly. When the filter cartridge is blocked, the liquid is periodically sprayed to the surface of the filter cartridge by the cleaning assembly to flush the filter cartridge, thereby effectively solving the problem of filter cartridge blockage.

The utility model provides a kind of floating object removing equipment for sewage treatment, including grating conveyor, one end of the grating conveyor is provided with bottom backing plate, the other end of the grating conveyor is equipped with two mutually symmetrical conveyor end plate, transmission roller is rotatably installed on the bottom backing plate, the grating belt of the grating conveyor is driven and wound on the surface of transmission roller, the both ends of the bottom backing plate are respectively fixedly connected with height-adjusting plate;The utility model can flexibly adjust the height and angle of the device according to actual demand by setting through the cooperation of height-adjusting plate and mounting guide rail plate, so as to adapt to different sewage treatment scenarios.In addition, the design of positioning screw further enhances the stability of the device, keeps accurate position control during the sliding process of the extension slide, avoids the deviation problem caused by vibration or external force, and improves the flexibility of the equipment.

This utility model provides a powder screening machine with a cleaning device, including a frame and a rotating drum. The rotating drum is cylindrical and placed horizontally on the frame. The drum wall has screen holes, and a screen hole cleaning device is also provided. The screen hole cleaning device is located on the outer surface of the rotating drum, either in contact with the outer surface or with a gap. The screen hole cleaning device is a high-pressure air knife or a brush. The brush is in contact with the outer surface of the rotating drum, while the high-pressure air knife has a gap with the outer surface of the rotating drum. The powder screening machine provided by this utility model has a screen hole cleaning device on the outside of the rotating drum. This device can promptly return the powder in the screen holes to the rotating drum, avoiding the problem of screen clogging.

A kind of settling device for ginkgo ketone ester production, including: tank body, tank bottom valve, cooling water system, refrigerated water system, motor, stirring shaft and stirring blade, the bottom end of tank body is connected with tank bottom valve, tank bottom valve is conical structure, tank body is connected with cooling water system and refrigerated water system, motor is located at the top end of tank body, motor is connected with stirring shaft, stirring shaft is connected with stirring blade.Cooling water system includes: cooling water coil, cooling water inlet, cooling water outlet and cooling water control valve;Refrigerated water system includes: refrigerated water coil, refrigerated water inlet, refrigerated water outlet and refrigerated water control valve.The utility model discloses compared with prior art, design double-channel cooling pipeline, i.e.cooling water channel and refrigerated water channel, gradient cooling is realized;The conical structure of tank bottom valve has no dead angle and can effectively avoid the problem of blockage;Cooling water system and refrigerated water system pass through independent control valve, and cooling process can be flexibly adjusted according to actual production process requirement.

The utility model provides laser cladding metal surface strengthening treatment equipment, which belongs to the technical field of metal surface processing and comprises an operating mechanism, a base, a mechanical arm fixedly mounted at the top of the base and used for operation, and a laser component fixedly mounted on the outer side of the mechanical arm and used for performing laser cladding on a metal surface; the vibration type anti-blocking mechanism comprises a mounting plate fixedly mounted on the outer side of the mechanical arm and a powder hopper fixedly mounted in an inner cavity of the mounting plate and used for containing powder. Through the synergistic effect of the damping assembly and the swing assembly, powder is always kept in a loose flowing state, and it is ensured that powder feeding is even and stable; and meanwhile, the reliability and adaptability of the mechanism are further improved through accurate control of the servo motor and the vibration adjusting function of the tooth groove ring, so that the problems that the powder feeding pipe is blocked and the powder is affected with damp and agglomerated are effectively solved, the powder feeding device can be widely applied to the high-precision laser cladding technology, and the quality and performance of a cladding layer are remarkably improved.

This utility model relates to the field of organosilicon processing technology, and in particular to an impurity filtration device for organosilicon processing. It solves the problem in existing technologies where multiple filter plates are typically fixedly installed inside the reactor body, making it impossible to remove them all at once. This results in the need to disassemble each filter plate individually when replacement or cleaning is required, leading to cumbersome and time-consuming operations that severely impact production rhythm and equipment efficiency. The impurity filtration device for organosilicon processing includes a reactor body, a top cover connected to the top of the reactor body, and a feed hopper. Lifting frames are installed on both sides inside the reactor body. This utility model, through its detachable connection structure and overall removal design, allows for quick and easy disassembly and replacement of the filter plates, significantly simplifying the maintenance process, improving operational convenience and equipment efficiency. It effectively solves the problems of inconvenient disassembly and time-consuming cleaning of traditional filter plates, improving production continuity and equipment utilization.

The utility model discloses a double shaft premixing ware for ammonium chloride rotary drying furnace, include: casing, be provided with heating heat preservation device on the casing, drive arrangement and double shaft mixing device, set up in the casing, and drive arrangement drives double shaft mixing device rotation, double shaft mixing device includes: driving shaft, axially set up in the casing, and the axle head is rotatably connected with the inside of casing, driven shaft, axially set up in the casing, and with driving shaft parallel, and the axle head is rotatably connected with the inside of casing, and synchronous gear, install in the axle end of driving shaft and driven shaft. The utility model can solve the problem of uneven mixing of ammonium chloride material, easy to block and high energy consumption fundamentally.

This utility model discloses a gas-liquid mixture recovery device, relating to the field of gas-liquid separation devices. The utility model includes a separation device comprising a separation tank body. An inlet pipe is disposed on one side of the inner side of the separation tank body. An overflow cylinder is fixedly disposed at the lower axis of the inner side of the separation tank body. A cavity is formed between the outer side of the overflow cylinder and the inner side of the separation tank body. The outlet end of the inlet pipe extends into the interior of the overflow cylinder. This utility model achieves efficient three-phase separation of gas, liquid, and solid through the cavity structure formed by the overflow cylinder and the separation tank body. The inlet pipe leads directly into the interior of the overflow cylinder. After the mixture is slowed down by a buffer mechanism, the gas naturally floats to the surface and is discharged from the top outlet. The liquid overflows evenly into the cavity through overflow teeth, and solid particles settle under gravity. Simultaneously, an independent drain outlet is directly connected to the bottom of the overflow cylinder to specifically discharge deposited solid impurities, solving the clogging problem caused by solid accumulation in traditional devices.

The application relates to the technical field of molds, and particularly discloses a hot runner structure of a semi-solid magnesium alloy die-casting mold, which comprises a main runner structure and at least one sub-flow nozzle connected with the main runner structure, a sub-flow cavity is formed in the sub-flow nozzle, a valve needle is arranged in the sub-flow cavity, an outer wall of the valve needle is sleeved with a spiral sleeve, an outer wall of the spiral sleeve is provided with spiral guide protrusions, and intervals for fluid passing are formed between the spiral guide protrusions and an inner wall of the sub-flow cavity; and the spiral sleeve is connected with a conductive mechanism for axial displacement. The hot runner structure of the application considers both flow path optimization and real-time state monitoring, so that the stability of a semi-solid magnesium alloy die-casting process and forming quality are improved.

This utility model discloses a structure for an anti-clogging conveying pipeline for water-reducing agents, relating to the field of conveying pipeline technology. It includes a pipeline body, a frame vibration unit, and a material adjustment unit. This pipeline structure features a reliable frame vibration unit. The square rods on both sides of the connecting shaft allow relative sliding with the rotating shaft while ensuring effective transmission. A hydraulic cylinder strikes the rotating shaft from the left side. Under the action of springs and connecting slots, the auger frame generates a vibration effect, shaking off water-reducing agent material adhering to its surface and preventing pipeline blockage caused by material adhesion. It also features a reliable material adjustment unit. By providing water or ventilation to the conveyed material, the hardness of the water-reducing agent material can be adjusted, maintaining a suitable material hardness and ensuring smooth conveying.

This utility model discloses a production equipment for filling masterbatch in modified plastic production, relating to the field of plastic production equipment technology. It includes a main body of the filling masterbatch production equipment, a fixed housing, an extrusion plate, a cylinder, and a cleaning mechanism. The fixed housing is located on one side of the main body of the filling masterbatch production equipment, and the extrusion plate is located inside the fixed housing. Multiple sets of extrusion holes are opened on the inner side of the extrusion plate. A cylinder is located near the extrusion plate on the fixed housing, and the output end of the cylinder is fixedly connected to the cleaning mechanism. The cleaning mechanism is used to prevent blockage of the extrusion plate. This utility model achieves automated cleaning of the surface of the extrusion plate and the extrusion holes by driving the cleaning mechanism with a cylinder. The cleaning work can be completed without disassembling the extrusion plate, significantly reducing equipment downtime and manual labor intensity, improving the convenience of equipment maintenance, and achieving comprehensive cleaning of the extrusion plate through the combination of a first cleaning unit and a second cleaning unit.

This invention belongs to the field of flow battery materials technology, specifically relating to a titanium carbide composite electrode, its preparation method, and its application in flow batteries. The composite electrode of this invention uses a carbon-based material as a substrate. A titanium carbide (TiC) layer is grown in situ on the substrate surface using a low-temperature molten salt etching method. Then, nano-metal particles are uniformly and in situ loaded onto the TiC layer surface using an electrochemical deposition method, resulting in a nano-metal / titanium carbide composite electrode. This invention significantly enhances the electrocatalytic activity of the electrode for the vanadium ion redox reaction through the synergistic catalytic effect of TiC and nano-metals, effectively suppresses the hydrogen evolution side reaction at the negative electrode, and significantly reduces charge transfer impedance, thereby improving the coulombic efficiency, energy efficiency, and long-cycle stability of the flow battery. This method is mild, requires no binder, and has a stable composite structure, making it suitable for large-scale energy storage applications.

This utility model relates to a fountain structure for ecological restoration of eutrophication in a landscape lake, including a water inlet tank. A filter screen is installed on the inner wall of the water inlet tank. Multiple water inlets are opened on the outer surface of the water inlet tank, and multiple water inlets are opened on the upper surface of the water inlet tank. A protective box is installed on the upper surface of the water inlet tank, and a first motor is installed on the inner bottom wall of the protective box. This utility model, through a dual composite water inlet structure of water inlets and water inlets, combined with the filter screen installed on the inner wall, can intercept large particles of debris such as aquatic plants and large-diameter organic debris, avoiding the problem of device clogging. The first motor drives the rotating rod and stirring rod to rotate at high speed, and the resulting vortex can disperse algae clusters and fine organic debris in the water inlet tank, preventing them from depositing at the bottom of the water inlet tank to form an anaerobic sediment layer. This design avoids secondary pollution and also prevents deposited debris from being carried into the subsequent biological treatment stage by the water flow, ensuring the stability of the microbial degradation environment.