69results about How to "Corrosion resistance" patented technology

The application provides a composite current collector for a zinc-iodine battery, a preparation method thereof and a zinc-iodine battery, and provides a conductive plastic substrate as a support layer; a metal conductive layer is formed by depositing titanium on at least one side surface of the conductive plastic substrate by using a magnetron sputtering technology, so that the composite current collector for the zinc-iodine battery is obtained. The application realizes the synergistic improvement of the light weight and the corrosion resistance of the current collector.

The utility model discloses a variable pitch propeller based on light carbon nylon material, the utility model relates to propeller technical field, this utility model, include: center circle, the center circle includes spiral device, through setting up spiral device, adopt light carbon nylon material to make spiral blade, the overall weight of propeller has been reduced significantly, this helps to reduce the energy consumption when the equipment operation, simultaneously, carbon nylon material has good intensity and corrosion resistance, makes propeller also can reliably run stably under the harsh environment, effectively resists abrasion and corrosion, and the flowing body rushes into the chamber, and the movement of trapezoidal plug will drive the pull rod movement, and then makes passive plate produce displacement, finally drives spiral blade to change angle, reaches the effect of self -adaptation variable pitch, this makes propeller can adjust the pitch according to the actual situation of flowing body, when the pressure change in chamber, trapezoidal plug action drives passive plate to move, and compression spring can provide certain buffer and reset force.

This utility model belongs to the field of cable tray technology, specifically a flame-retardant enclosed cable support cable tray, including a cable tray body, a top cover installed on the top of the cable tray body, an auxiliary module installed at the bottom of the cable tray body, and a cable management module installed inside the cable tray body. The cable management module includes a separator rod, a fixing block, an elastic band, and a limiting ring. The end of the separator rod is provided with a fixing block, and the fixing block is provided with an elastic band, and the top of the elastic band is provided with a limiting ring. This utility model has a cable management function, which can classify and arrange cables, making more reasonable use of the internal space of the cable tray body. It has a limiting effect on cables, ensuring that cables are stably arranged within a specific path, avoiding problems such as displacement and entanglement caused by external forces or vibrations. It has the characteristics of corrosion resistance, light weight, non-conductivity, and good flame retardancy. It also has a heat dissipation effect, which can dissipate internal heat and prevent the cables from being affected by excessive temperature.

The utility model relates to impact breaker composite hammer head technical field discloses an impact breaker composite hammer head structure, including the crushing end, the top of crushing end is provided with fixed end, the top inside fixed end is provided with mounting hole. This impact breaker composite hammer head structure is provided with mounting pad, reservation groove, first fixed hole, mounting bolt and protective sleeve, and the protective sleeve can protect the mounting hole, prevent the mounting hole from wearing and affecting use, need when the protective sleeve is fixed make the first fixed hole on mounting pad and the first fixed hole inside reservation groove alignment, after alignment, the mounting bolt is screwed into the inside first fixed hole and mounting pad is fixed, since mounting pad is installed at the front and rear ends of protective sleeve, so the protective sleeve can be fixed in position by fixing mounting pad, solve the problem that the mounting hole on the hammer head is easy to wear, inconvenient to protect the mounting hole, easy to affect the use of hammer head.

This utility model discloses a liquid baffle with foam suppression function for electrolytic cells, including a liquid baffle body. Vertical plates are fixedly connected to the top four sides of the liquid baffle body. A drive motor is bolted to the outer side of each vertical plate. A threaded rod is fixedly connected to the output end of the drive motor, and a movable plate is threadedly connected to the surface of the threaded rod. This utility model utilizes the synergistic action of a stirring motor, a rotating disc, a crushing rod, a vibrating motor, a vibrating rod, crushing blocks, and spikes to treat foam from multiple aspects, including stirring, crushing, and vibrating. Compared to traditional liquid baffles, it improves foam suppression efficiency, effectively maintains stable liquid levels in the electrolytic cell, and reduces the adverse effects of foam overflow. The lifting structure composed of the drive motor, threaded rod, and movable plate can flexibly adjust the position of the crushing components according to the height and distribution of foam in the electrolytic cell, ensuring good foam suppression effects under different operating conditions.

This invention discloses a method for preparing a composite vibration damper consisting of a high-pressure-bearing sintered metal fiber body and a metal plate, belonging to the technical field of composite vibration dampers. By controlling factors such as the diameter, porosity, and thickness of stainless steel fibers, and through high-temperature sintering and pressure forming, this invention obtains a stable, high-compressive-strength stainless steel felt sintered body (SFB). The metal plate is then combined with the SFB to fully utilize the vibration damping energy of the SFB, resulting in a high-pressure-bearing metal fiber vibration damper. This vibration damper exhibits high compressive strength and excellent vibration damping performance, and also possesses characteristics such as corrosion resistance, high-temperature resistance, machinability, and strong environmental adaptability.

The utility model belongs to the technical field of separation, and particularly relates to a storage tank for separating trace chlorobenzene in hydrochloric acid, which comprises a storage tank body, a liquid receiving tank is connected below the storage tank body, a chlorobenzene drainage port is arranged at the bottom of the liquid receiving tank, an inner cavity of the storage tank body is communicated with an inner cavity of the liquid receiving tank, and a feed port is arranged at the top of the storage tank body. An inserting pipe is arranged in the feeding port, the bottom of the inserting pipe extends to the bottom of an inner cavity of the storage tank body, a baffle is vertically arranged in the storage tank body, the lower end and the two sides of the baffle are connected with the inner wall of the storage tank body, and a gap is reserved between the upper end of the baffle and the top of the storage tank body; the liquid receiving groove and the inserting pipe are located on the same side of the baffle, and a hydrochloric acid discharging opening is formed in the side, away from the liquid receiving groove, of the baffle and located in the bottom of the storage tank body. The storage tank can effectively separate out trace chlorobenzene in hydrochloric acid, the purity of hydrochloric acid is improved, and efficient separation is achieved.

The application relates to a scale-inhibiting alloy and a preparation method thereof and a scale-inhibiting sheet manufactured from the scale-inhibiting alloy. The scale-inhibiting alloy comprises the following components: 55wt%-70wt% of Cu, 15wt%-30wt% of Zn, 5wt%-15wt% of Ni, 0.5wt%-3wt% of Si, 1wt%-5wt% of P, 0.001wt%-0.05wt% of a modifying element, and the balance of inevitable impurities, wherein the modifying element is one or more of B, Ti and Zr. The scale-inhibiting alloy adds the Si element for strengthening, so as to improve the mechanical properties and corrosion resistance; the Zn element is added as a negative electrode and the P element is added as a positive electrode, the alloying forms alpha phase+beta phase+multi-element brittle compound phase, can well excite the active current, and prevents the generation of water scale. The scale-inhibiting alloy has low production cost, meets the comprehensive requirements of cost, processing performance, corrosion resistance, mechanical properties, health and market acceptance of water treatment products, and has a good application prospect.

The utility model discloses an aluminum honeycomb core composite board which comprises a composite board body, the composite board body is formed by combining an outer layer, a fireproof coating, a structure reinforcing layer, a first core layer, a first fireproof layer, a second fireproof layer, an inner layer, a waterproof layer, a second core layer and a bottom layer, the fireproof coating is fixedly connected to the lower surface of the outer layer, and the structure reinforcing layer is fixedly connected to the lower surface of the inner layer. Through the components, the composite board body is provided with multiple layers of fireproof and waterproof layers, ceramic treatment can be carried out at high temperature, a hard fireproof barrier is formed, double high temperature resistance can be achieved, flames and heat are prevented from permeating inwards, heat radiation can be reflected, and fire spreading can be delayed; the surface hydrophobicity of the composite board body can be high, the composite board body is resistant to rainwater corrosion, and the composite board body can still keep stable when exposed outdoors or in a humid environment for a long time.

This invention discloses a fiber Bragg grating level sensor based on liquid pressure conversion, comprising a fiber Bragg grating demodulator, a 2×1 fiber coupler, a transmission fiber, and a sensing unit. The sensing unit consists of a strain-sensing fiber Bragg grating, a temperature-compensated fiber Bragg grating, a sealed cylinder, a support beam, a pressure block, a pressure tension frame, a sealing membrane, and a stop. The pressure block and the pressure tension frame convert liquid level changes into longitudinal displacement changes, causing axial strain in the strain-sensing fiber Bragg grating. This results in a drift in the center wavelength of the strain-sensing fiber Bragg grating, and the liquid level height of the container is measured by monitoring this wavelength change. This invention eliminates the influence of temperature on the liquid level measurement results through a temperature-compensated fiber Bragg grating, offering advantages such as a large measurement range, good practicality, simple structure, low cost, good stability, high sensitivity, and safety and reliability, meeting the needs of measuring liquid levels in large storage tanks and other applications.

This invention discloses a surface hardening method for universal joints in screw drills and related universal joints. The method includes: performing heat treatment and finishing on a rough-machined universal joint blank to obtain the universal joint body; after preheating the universal joint body, spot welding a tungsten-cobalt alloy block wrapped with nickel-based brazing filler metal to the wear-resistant contact surface at one end of the universal joint body; spraying nickel-tungsten carbide powder and nickel-coated boron carbide composite powder onto the wear-resistant contact surface to form a hardened layer on the wear-resistant contact surface; after cooling, grinding the sprayed surface to the design dimensions; inspecting the porosity of the ground sprayed surface, filling the porosity with nickel-tungsten carbide powder and nickel-coated boron carbide composite powder, heating and melting to seal the porosity; and after cooling, precision grinding the universal joint to the design dimensions. This invention greatly improves the wear resistance and impact fracture resistance of the universal joint, enabling it to be used in conjunction with other screw drill components resistant to 350℃ high temperatures to form screw drills resistant to 350℃ high temperatures.

This utility model relates to the field of kitchenware testing technology, and in particular to a fixing device for a wireless temperature and pressure recorder for testing the energy efficiency of an electric pressure cooker. The device includes a fixing frame, which comprises an adjustable-length support leg, a position indicator circle, a vertical limiting rod, a horizontal drag ring, and an adjusting buckle. The adjustable-length support leg is disposed on the position indicator circle and is used to fix and support the fixing frame while maintaining contact with the bottom surface of the inner pot. The vertical limiting rod is detachably connected to the adjustable-length support leg. One end of the adjusting buckle is fixedly connected to the horizontal drag ring, and the other end is slidably sleeved on the vertical limiting rod, used to adjust and lock the position of the horizontal drag ring in the vertical direction. This utility model solves the problems existing in the prior art, such as the inability to fix the position of the wireless temperature and pressure recorder in the inner pot, large test result errors caused by using other wired thermocouples, low test efficiency, easy breakage of thermocouple wires, and easy impact on the sealing performance of the electric pressure cooker.

The invention discloses a nitride ceramic particle reinforced electric vehicle battery pack bottom protection plate and a manufacturing method thereof, and belongs to the field of electric vehicle battery technology and vehicle manufacturing. According to the method, a CrMoAl steel sheet is adopted, the surface of the sheet is polished to remove the oxidation condition, nitriding process treatment is conducted in a gas nitriding furnace, a sample is taken out after the sample is cooled to the room temperature along with the furnace, and the nitride ceramic particle reinforced electric automobile battery pack bottom protection plate is obtained. Ultra-deep nitriding layers are formed on the two sides of the steel plate through nitride ceramic particle reinforcement, a non-nitriding layer is formed in the middle of the steel plate, and a nitriding layer-non-nitriding layer-nitriding layer sandwich structure is formed; due to the existence of the double-layer nitriding layer and the middle non-nitriding layer, the steel plate has high hardness and obdurability at the same time, when the steel plate is applied to the electric automobile bottom protection plate, the conditions of gravel splashing, road surface fluctuation and bumping and the like caused by the external environment can be borne, and damage to a battery pack due to the conditions of bending, breakage and the like of the steel plate can be prevented.

The invention provides a culture wastewater harmless treatment and culture environment deodorization integrated device, which belongs to the technical field of culture waste treatment and comprises a device main body, and a pretreatment unit, a biochemical treatment unit, a deep treatment unit and a deodorization unit which are sequentially connected through pipelines are sequentially arranged in the device main body. A control system is arranged outside the device main body, and is electrically connected with electrical equipment of the pretreatment unit, the biochemical treatment unit, the deep treatment unit and the deodorization unit, so that automatic control on the operation process of the whole device is realized. According to the invention, the integrated design is realized, the function integration level is high, the functions of harmless treatment of the breeding wastewater and deodorization of the breeding environment are integrated, and a wastewater treatment device and a deodorization device which are independent are not required to be mounted and operated respectively, so that the occupied area of equipment is effectively reduced, and the equipment investment cost and the operation management cost of a farm are reduced; the device is especially suitable for small and medium-sized farms with shortage of field resources.

The utility model provides a stainless steel outdoor integrated kitchen with an upturning door. The stainless steel outdoor integrated kitchen with the flip-up door comprises a stainless steel house body, and the flip-up door is hinged to the stainless steel house body; the stainless steel cabinet body is fixedly mounted on the stainless steel house body; the water tank is arranged on the stainless steel cabinet body and is used for cleaning articles; the stove body is assembled on the stainless steel cabinet body and is used for cooking food; the water taking mechanism is assembled on the stainless steel cabinet body; a protective cover is arranged on the stainless steel cabinet body, the protective cover is located above the stove body, and the protective cover is used for protecting the stove body. The stainless steel outdoor integrated kitchen with the tilt-up door is environmentally friendly, durable, integrated, free of disassembly and assembly and capable of meeting the outdoor dining requirement rapidly, and the convenience and the comfort degree of a user are greatly improved.

The utility model provides a high-temperature-resistant wide-mouth bottle, which relates to the technical field of wide-mouth bottles, and comprises a bottle body and a reinforcing assembly arranged on the inner side of the bottle body, the reinforcing assembly comprises a pressure-resistant assembly arranged on the peripheral side of the bottle body and a pressure relief assembly arranged on the outer side of the end part of the bottle body, the pressure-resistant assembly is used for improving the high-temperature resistance of the bottle body, corrosion of high-temperature objects or liquid to the device can be effectively resisted through the first composite layer, the second composite layer and the third composite layer, the service life of the device is prolonged, compared with a container made of a traditional material, the applicability in the high-temperature and strong-corrosion environment is greatly improved, and the use is convenient. The heat insulation design of the second composite layer remarkably reduces heat loss, keeps the high-temperature environment in the bottle stable, and reduces energy consumption.

The utility model discloses an anti-vibration and anti-deposition residue collecting device which comprises a box body, and the box body is provided with a residue stirring device. An inclined filter plate is arranged at the bottom in the box body, and a water hammer absorbing device is mounted at the top in the box body; a water hammer absorbing device is arranged at the top of the box body, the water hammer absorbing device comprises an air cylinder, the bottom of the air cylinder is communicated with the box body, a piston is arranged in the air cylinder, and a sealing ring is arranged on the outer side of the piston; the sediment collecting device has the advantages that the sediment can be effectively prevented from being deposited at the bottom, meanwhile, the shock-proof function of the sediment collecting device can effectively reduce the impact force of surge on the sediment groove, the service life of the sediment collecting device is prolonged to the maximum extent, and the cost for treating membrane concentrated liquid is reduced to a certain extent.

This invention belongs to the field of micro-coating protection and discloses an organosilicon aerosol coating for waterproofing precision instruments and its preparation method. The organosilicon aerosol coating comprises, by weight, 4-6 parts of fluorinated organosilicon, 2-3 parts of organosilicon-acrylate resin, 30-40 parts of a first solvent, 20-30 parts of a second solvent, 1-1.5 parts of a release agent, 0.5-1 parts of a leveling agent, and a certain amount of propellant. This invention uses a first solvent and a second solvent with different volatility properties to improve the self-leveling and film-forming quality of the microfilm after spraying, reducing surface micropore defects caused by excessive evaporation and forming a good waterproof layer. Through the synergistic effect of fluorinated organosilicon and organosilicon-acrylate resin as film-forming materials, the waterproof coating formed with the release agent and leveling agent possesses both long-lasting waterproofing and peelability. When used for the protection of precision instruments, the coating can be peeled off after a certain protection period without leaving residual pollution on the instrument surface.

The application belongs to the field of aero-engine gas path sealing, and discloses a gradient-structure double-ytterbium silicate high-temperature seal coating and application. The seal coating comprises a barrier layer, a transition layer and an abradable surface layer which are sequentially sprayed on a to-be-sprayed base body along the thickness direction of the seal coating; the porosity of the barrier layer is 1-9%; the porosity of the transition layer is 9-18%; the porosity of the abradable surface layer is 18-30%; and the spraying feed powder of the barrier layer, the transition layer and the abradable surface layer is Yb2Si2O7-based powder. The coating has the characteristics of gradient distribution of porosity, high-temperature resistance, CMAS corrosion resistance, moderate hardness and high bonding strength.

This invention discloses a method for preparing high-density, low-defect yttrium oxide ceramic materials and their applications, comprising the following steps: (1) preparing ceramic blanks by using high-purity yttrium oxide precursor powder through a molding process; (2) heating the ceramic blanks obtained in step (1) to 800-900 ℃ at 1-5 ℃ / min in an oxidizing atmosphere and holding them for 15-30 h; (3) continuing to heat the material obtained in step (2) to 1080-1150 ℃ at 1-5 ℃ / min in an oxidizing atmosphere and holding them for a shorter holding time than in step (2); (4) cooling the material obtained in step (3) with the furnace to avoid thermal stress-induced cracks, thereby obtaining the high-density, low-defect yttrium oxide ceramic material. This invention improves the density and microstructure uniformity of the material, enhances surface chemical stability and defect repair, strengthens bulk crystallinity and thermal shock resistance, reduces the risk of particulate contamination and extends component life, and the process is energy-saving, environmentally friendly and highly operable.

The utility model discloses a sealing device for processing a glass fiber reinforced plastic septic tank, which relates to the technical field of environmental protection equipment, and comprises a tank body, the top end of the tank body is fixedly connected with three groups of cleaning openings, and the sealing device for processing the glass fiber reinforced plastic septic tank is provided with an inner cover, a sealing ring and a connecting block. Due to the fact that the first expansion rubber ring and the second expansion rubber ring can expand when encountering water due to the material characteristics of the first expansion rubber ring and the second expansion rubber ring, if the water level in the pool body rises into the cleaning opening, the first expansion rubber ring and the second expansion rubber ring extrude each other after being expanded when encountering water and are tighter, and gas or liquid is prevented from overflowing upwards. Meanwhile, leakage can be prevented through preliminary isolation of the inner cover, after the inner cover is installed downwards, the top cover is directly inserted downwards into the top end of the inner cover, the sealing ring surrounds the periphery of the inner cover for further sealing and preventing overflow, at the moment, the top cover and the cleaning opening are fixed, secondary isolation is conducted, leakage is prevented, and the problem that the sealing performance of the device cannot be enhanced is solved.

The utility model belongs to the field of water dispensers, and provides a multifunctional electric valve structure assembly which comprises a machine shell provided with a containing cavity. The valve element fixed ceramic chip is installed in the containing cavity, and a water through hole is formed in the valve element fixed ceramic chip; the driving module is arranged on the machine shell, a valve element movable ceramic chip is connected to the driving module, the valve element movable ceramic chip stretches into the containing cavity and movably abuts against the valve element fixed ceramic chip, and a water supply hole is formed in the valve element movable ceramic chip. Compared with the prior art, the utility model has the advantages that a driving mode of the driving motor is adopted, so that the valve core movable ceramic chip is propped against the valve core fixed ceramic chip, corrosion and abrasion of impurities in water are effectively resisted, and the service life of the valve is prolonged; and meanwhile, the overlapping area between the water supply hole and the water through hole can be adjusted under the relative rotation of the valve element and the movable ceramic chip, so that the accurate control over the water outlet amount is achieved, and the flow requirements in different scenes are met.

The utility model relates to the field of blasting engineering discloses a reinforced impact resistance TNT explosion bunker, including the blasting jar, the upper end fixed setting of blasting jar has the upper platform, the upper platform one side fixed setting has the air draught fan, the upper platform middle position rotationally arranged hollow column, the lower end fixed setting of hollow column outside side has a plurality of water spray pipes, the upper end fixed cover of hollow column outside side no.

The application discloses a kind of weather-resistant ultraviolet-resistant overhead insulated cable and preparation method thereof.Cable is sequentially arranged with rare earth aluminum alloy conductor with alumina ceramic membrane, conductor shielding layer, gradient functional composite insulation layer and biomimetic super-hydrophobic outer sheath from inside to outside, and passive surface acoustic wave sensing component is uniformly laid out.The insulation layer is three-layer co-extrusion molding: heat-conducting insulation inner layer filler is radially oriented, self-repairing enhanced middle layer contains dynamic covalent bond and photo-thermal microcapsule, and weather-resistant ultraviolet-resistant outer layer is compounded with core-shell ultraviolet shielding agent.The outer sheath is modified with fluorosilane, and the water contact angle is greater than or equal to 150°.The sensing component wirelessly monitors temperature, ultraviolet cumulative dose and deformation.The cable has a service life of more than thirty years, has natural light self-repairing and passive online monitoring functions, has strong environmental adaptability, and has low operation and maintenance cost.

The utility model belongs to the technical field of environmental protection equipment, and particularly relates to an integrated superfine micropore multilayer filtering type rainwater recycling device which comprises an installation cabinet, a superfine micropore multilayer filter and a chemical adding assembly which are connected through a pipeline are arranged in the installation cabinet, and the superfine micropore multilayer filter is provided with a water inlet pipe and a water outlet pipe. The ultrafine micropore multilayer filter comprises a machine body and a plurality of groups of filter elements, the dosing assembly comprises a clarifying agent tank and a long-acting disinfectant tank, the clarifying agent tank is connected with the water inlet pipe through a pipeline, and the long-acting disinfectant tank is connected with the water outlet pipe through a pipeline. According to the utility model, rainwater is treated through the ultrafine micropore multilayer filter, so that the arrangement of a split type filter is avoided, the occupied area is reduced, and meanwhile, a plurality of groups of filter elements are adopted, so that the requirement of large-flux filtration can be met, and the filtration precision of 150 microns can be realized at the same time.

The invention relates to the technical field of ocean engineering protection, in particular to an embedded seawall wave-resistant device which comprises at least one energy dissipation unit and a fixing structure, the energy dissipation unit is arranged on the head wave side of a seawall, the energy dissipation unit is constructed to be of an annular structure with a notch in the radial face and is provided with an opening in the axial direction, and the notch forms the head wave face; the fixing structure is fixed in the embankment; through the geometrical characteristics of the energy dissipation units, wave energy is converted into internal mutually-counteracted fluid motion, so that the purpose of actively and efficiently dissipating waves is achieved, and direct scouring of waves to the embankment body is relieved. According to the device, on-site construction installation and subsequent maintenance are facilitated, the arrangement scale and mode of the energy dissipation unit can be flexibly adjusted according to the protection requirement of a specific shoreline, and good adaptability and practicability are shown.

The utility model discloses a digital rudder angle indicator, including main support block, the horizontal welding of fixed outer ring has in the outside side of main support block, the top surface of fixed outer ring evenly is equipped with fixed through -hole, the butt joint of rotating top block has in the top of main support block, and the material of equipment has certain corrosion resistance, can adapt to high humidity, high salt content and so on bad condition in marine environment, has reduced equipment failure rate, has prolonged equipment's life. The flexible connection of support plate body through bottom turnover rod and top butt joint block and the adjustable connection mode of top butt joint block and support inclined pole make digital display panel can carry out multi -angle adjustment in certain angle range. The operator on the ship can adjust the angle of digital display panel freely according to own standing position, sitting posture and watching habit and other factors, make it always in the best viewing position, thereby more convenient, clearly check rudder angle information, greatly improve the use convenience and comfort of equipment.

The utility model relates to the technical field of mass spectrometers, and provides a Faraday cup detection device for xenon isotope, which comprises a receiver shell, a receiver terminal flange and a receiver mechanism, a first through groove matched with the receiver mechanism is formed in the top of the receiver shell, the receiver terminal flange is fixedly connected with the receiver mechanism, the receiver terminal flange is further fixedly connected with the receiver shell, and the receiver mechanism is provided with a plurality of shielding pieces used for grounding. Specific slit spacing is set for deflection of xenon isotope passing ions in a magnetic field, and a grounded shielding sheet is additionally arranged between two Faraday cups, so that mutual interference between the Faraday cups is effectively prevented, and the accuracy of final abundance ratio calculation is improved.

This invention belongs to the technical field of MAX phase ceramic materials, and relates to a lead-bismuth-resistant MAX phase ceramic material, its preparation method, and its application. This invention discloses a lead-bismuth-resistant MAX phase ceramic material by introducing a high oxygen affinity element Hf at the M-site, significantly enhancing the migration barrier of oxygen atoms between material layers. This allows the MAX phase ceramic material to effectively inhibit the migration and dissolution of A-site elements in a lead-bismuth environment, intrinsically improving the stability of the MAX phase crystal structure, thereby exhibiting excellent resistance to lead-bismuth corrosion.

This paper proposes a reverse spiral groove mixing reactor for improving the uniformity of titanium dioxide mixing in masterbatch. The reverse spiral groove mixing reactor includes a reactor body and a mixing device. The reactor body has a feed inlet at the top and a discharge outlet at the bottom. The inner wall of the reactor body is equipped with a spiral baffle. The mixing device includes a mixing motor, a mixing roller, and mixing blades. The mixing motor is located above the reactor body and is connected to the mixing roller via a coupling. The mixing roller is connected to the mixing blades and placed inside the reactor body. Each mixing blade has a reverse spiral groove at its center. The combination of the mixing blades with reverse spiral grooves and the spiral baffle significantly enhances material agitation, greatly improves the uniformity of titanium dioxide mixing in masterbatch, increases mixing efficiency, and thus improves production quality and efficiency.