50results about How to "Solving Corrosion Problems" patented technology

The utility model discloses a driving assembly for grinding and cleaning small parts, which belongs to the technical field of small part conveying and comprises a rotating shaft rotationally connected to the outer wall of a box. The rotating shaft is fixedly connected with a driving magnetic wheel; one end, close to the rotating shaft, of the conveying shaft extends out of the box body and is fixedly connected with a driven magnetic wheel; the driving assemblies such as the rotating shaft, the driving magnetic wheel and the driven magnetic wheel are designed on the outer side of the box body, so that during later maintenance, the driving assemblies do not need to enter the box body, a worker can perform maintenance directly on the outer side of the box body quickly and conveniently, meanwhile, the driving assemblies are designed on the outer side of the box body, and it is avoided that during grinding and cleaning, the grinding efficiency is greatly improved. Liquid is splashed to the surface of the driving assembly, the corrosion problem is avoided, and the working life is ensured.

The utility model provides a spraying and humidifying device of chemical supply equipment, which comprises a high-pressure spray head, a pure water inlet for feeding pure water, a nitrogen inlet for feeding high-pressure nitrogen and a water outlet for discharging excessive water, wherein the side surface of the high-pressure spray head is provided with a pure water inlet for feeding pure water, the side surface of the high-pressure spray head is provided with a nitrogen inlet for feeding high-pressure nitrogen, and the side surface of the high-pressure spray head is provided with a water outlet for discharging excessive water; a nozzle is formed in the top of the high-pressure spray head, an upper shell is arranged at the top of the high-pressure spray head, and a spray joint is arranged on the upper shell. The device improves the humidity control effect.

The application discloses a kind of laser cutting equipment and method for metal processing, including base, the outside of the base is provided with wheel rotation mechanism, the wheel rotation mechanism includes rotating roller, the shaft end of the rotating roller is connected with support plate, the outer surface of the support plate is fixedly connected with the outer surface of base, the outer camber surface of the rotating roller is opened with clamping groove at equal angle, the outer surface of the rotating roller is fixedly connected with telescopic link on both sides, the output end of telescopic link on both sides is fixedly connected with connecting plate, the body of the connecting plate is rotatably connected with two rotating rods, one end of one rotating rod is fixedly connected with circular platform, relate to cutting equipment technical field, solve the problem that actual processing efficiency is reduced, power consumption is increased when existing laser cutting equipment is used, since only single metal pipe can be carried during cutting process, metal pipe cannot be accurately blanked due to not being provided with guiding and buffering measures, and metal pipe cannot be avoided to be damaged by collision.

The embodiment of the invention discloses an earphone charging box control method and device, a charging box and a storage medium, and is used for controlling whether the charging box and an earphone are in a power-on state or not according to the state that the earphone enters and exits the charging box, so that the charging box cannot be in a power-on state for a long time, the power consumption of the charging box can be reduced, and the charging efficiency is improved. The problem of corrosion caused by long-term electrification of the charging box can be solved to a certain extent. The method is applied to the charging box. The method comprises the steps that the current magnetic induction intensity of the charging box is detected; according to a preset magnetic induction intensity threshold value and the current magnetic induction intensity, determining a charging box access state of the earphone; and controlling whether the charging box and the earphone are in a power-on state or not according to the state of the earphone entering and exiting the charging box.

The invention provides an electrolyte and a secondary battery. The electrolyte comprises an organic solvent, a lithium salt, a film-forming additive and a metal corrosion inhibitor, the mass ratio of the metal corrosion inhibitor in the electrolyte is 0.001-2%; the metal corrosion inhibitor is a benzotriazole compound and / or a sulfonate compound; the chemical formula of the sulfonate compound is R-SO3M, R is C1-C16 straight-chain alkyl or phenyl-substituted C1-C12 straight-chain alkyl, and M is selected from any one of Li, Na and K. The invention further discloses a preparation method of the sulfonate compound. By adding the metal corrosion inhibitor according to the type and the mass ratio into the electrolyte, a protective layer can be formed on the surface of the steel shell of the cylindrical battery, so that the contact between acidic byproducts in the battery and the surface of the steel shell is isolated, the corrosion of the steel shell is inhibited, and the storage performance, the cycle life and the safety of the battery are further improved.

The utility model discloses mixing equipment for kitchen waste sludge treatment, which comprises a mixing tank fixed on a supporting table, a feeding pipe and a discharging mechanism are connected onto the mixing tank, an open groove is arranged at the top of the mixing tank, a top cover for sealing the mixing tank is mounted on the open groove in a lifting manner, and a fastening mechanism is arranged between the top cover and the mixing tank. A stirring mechanism and a heating mechanism are mounted at the bottom of the top cover, and a batching pipe is connected to the top cover. The effects of improving the mixing uniformity, ensuring the mixing quality and improving the operation safety and stability of equipment are achieved.

The invention discloses a ceramic coating marine cable connector, which comprises a connector shell, a conductive pin and an end cover, a composite protective coating system is arranged on the outer surface of the connector shell and the matching surface of the end cover, and a metal protective coating is arranged on the contact surface of the conductive pin. According to the ceramic coating marine cable connector and the preparation method thereof, the problem of galvanic corrosion of dissimilar metal is effectively solved through micro-arc oxidation / electronickelling differentiation bottom layer treatment, physical barrier and intelligent response cooperative protection is achieved through the graphene composite middle layer, a complete protection system is formed in combination with the super-hydrophobic top layer, and the corrosion resistance of the connector is improved. And finally, while the bonding strength of the coating is ensured, the corrosion-resistant life and maintainability of the connector in a marine environment are remarkably improved.

This invention relates to the field of water pollution purification, specifically to a process for purifying and recycling industrial wastewater. The process provided by this invention induces the in-situ crystallization and precipitation of calcium and magnesium ions, primarily in the form of aragonite-type calcium carbonate, by adding a crystal form regulator to the wastewater. This replaces the traditional precipitation method using precipitants, fundamentally preventing the generation of secondary sludge. Simultaneously, a quencher regulates the type and concentration of active free radicals within the system, achieving targeted degradation of organic matter while maximizing the retention of beneficial ions in the water, ensuring the corrosion inhibition performance of the recycled water. This invention features a simple operation, requires no mechanical structural modifications, and can be directly adapted to existing industrial water treatment systems. It effectively solves the problem of simultaneously addressing hardness removal and organic matter degradation in circulating water wastewater treatment, significantly improving the purification and recycling efficiency of wastewater. The treated effluent can be directly reused in industrial circulating water systems.

The utility model discloses waste gas environmental pollution assessment and absorption equipment which comprises an absorption tower main body, a waste gas inlet, a purified gas outlet, a waste gas inlet and a purified gas outlet, the absorption guide pipe is connected to the gas inlet end of the waste gas inlet; the gas extraction mechanism is arranged in the middle of the absorption tower main body and is used for extracting waste gas; the detection units are sequentially arranged in the absorption tower main body along the airflow direction of the waste gas inlet; the filtering assembly is arranged at the bottom of the absorption tower main body and is used for purifying waste gas; the sampling unit is connected to the side wall of the absorption tower main body and used for extracting waste gas. According to the waste gas environmental pollution assessment and absorption equipment provided by the utility model, waste gas detection assessment and purification absorption functions are integrated in the same equipment. When the waste gas is purified, various pollutant indexes such as TVOC (Total Volatile Organic Compound), CO, CO2 and PM2.5 (Particulate Matter 2.5) can be monitored in real time by utilizing various sensors, so that the problem of single function of the traditional equipment is solved, and the treatment and monitoring are synchronously carried out.

The application provides a cyclododecatriene preparation reaction post-processing process and system, which comprises the following steps: a termination process, in which a termination agent is mixed with a CDT reaction solution to perform catalyst quenching, so as to obtain a first mixture; wherein the termination agent comprises an alcohol, a phenol or a mixed solution of the alcohol and the phenol; a first extraction process, in which lye is used to extract the first mixture after cooling operation, so that a first oil phase is obtained and input into a second extraction process; and the second extraction process, in which pure water is used to extract the first oil phase, so that a second oil phase is obtained and input into a subsequent rectification separation process to obtain a cyclododecatriene product with high purity. The catalyst inactivation effect of the process is good, the loss rate of the CDT product obtained after the subsequent rectification separation is reduced, and the product recovery rate is high; the CDT reaction solution treated by the process avoids the equipment corrosion problem in the subsequent process, can reduce the equipment investment cost, simultaneously reduces the solid content and ensures the stable and continuous operation of the device.

The invention discloses a continuous arsenic sulfide slag drying treatment system and method for corrosive waste gas filtration, and belongs to the technical field of hazardous waste treatment.The system comprises a box, and a closed feeding unit, a sectional type low-temperature drying unit and a discharging unit are arranged in the box; the sectional type low-temperature drying unit is circularly communicated with the corrosion protection unit and the heating air supply unit; the corrosion protection unit comprises a dry type filter unit, a wet type filter unit, a water condenser and a steam preheating recoverer, and is used for realizing graded purification, condensation dehumidification and heat energy recovery of corrosive waste gas; the heating air supply unit provides heated circulating air for the drying unit, and the sectional type low-temperature drying unit adopts a PVC + nylon anti-corrosion mesh belt and an ash removal scraping belt, so that closed drying and anti-scattering ash removal of materials are realized. According to the method, the whole-process closed drying of the arsenic sulfide slag is achieved, the weight reduction rate reaches 40% or above, the corrosive gas removal rate reaches 98% or above, the energy utilization rate is high, and the method is suitable for large-scale treatment of the arsenic sulfide slag in the non-ferrous metal smelting industry.

The application provides a deoxidizing agent suitable for medium and high pressure boilers and a preparation method thereof, wherein the deoxidizing agent contains the following raw materials in parts by weight: 20-40 parts of an organic reducing agent, 10-20 parts of an amino heterocyclic compound, 4-8 parts of a hydroxylamine compound, 2-8 parts of a dispersing agent, 3-6 parts of a neutralizing agent, 2-6 parts of modified sodium alginate, 1-3 parts of modified lignin and 20-40 parts of deionized water. The deoxidizing agent is high-temperature resistant, has outstanding dissolved oxygen removal capacity, is suitable for a medium and high pressure boiler water supply system, has a corrosion prevention effect, solves the corrosion problem of boilers, pipelines and heat exchangers, and is environmentally friendly, safe, almost non-toxic and harmless, and has a good market prospect.

This invention relates to the field of fluid measurement technology, specifically a crude oil water content measurement device and method based on a GRU neural network model. The device includes a longitudinal five-electrode array sensor, a front-end signal processing and measurement circuit module, a microprocessor control module, and a temperature monitoring module. The longitudinal five-electrode array sensor is connected to the front-end signal processing and measurement circuit module, which is connected to the microprocessor control module. The microprocessor control module is connected to the temperature monitoring module, which is connected to the longitudinal five-electrode array sensor. This invention uses a microprocessor control module as the main controller and combines it with various conversion circuits to complete the measurement of signal excitation, phase content, and related flow velocities. It features low energy consumption, strong anti-interference capability, and a high degree of automation.

This invention discloses a corrosion-resistant water pump housing, comprising a pump housing, a button battery, a battery compartment, a current control module, and electrode strips. The pump housing has an outer surface and an internal cavity. The battery compartment holds at least one button battery. The current control module stably outputs current, driving the electrode strips to release electrons, forming cathodic protection and inhibiting corrosion on the pump housing surface. The battery compartment and sealing cover are designed to be waterproof, ensuring the battery and circuitry are protected from moisture or corrosive liquids. The current control module automatically adjusts the current output based on battery voltage changes, ensuring stable system operation. This invention, through stable current output and the cathodic protection of the electrode strips, effectively improves the corrosion resistance of the pump housing, extends the service life of the pump, and reduces maintenance frequency and costs.

The utility model discloses a nodular cast iron pipe interface thermal insulation structure for heating power, which comprises an inserting pipe and an adapting pipe, one end of the inserting pipe is provided with an inserting port, one end of the adapting pipe is provided with an adapting port, and the inserting port is inserted into the adapting port. The utility model relates to the technical field of heat preservation of a joint of a bulb tube structure, in particular to a heat preservation structure of a nodular cast iron pipe joint for heating power, which effectively reduces heat loss at the joint by winding and filling a flexible heat preservation layer in a reserved gap of the joint of an insertion port and a birdmouth and covering the joint with a second winding layer. The splicing opening limiting groove and the birdmouth limiting groove are formed, the limiting belt is embedded in the splicing opening limiting groove and the birdmouth limiting groove in a matched mode, and the outer layer protective sleeve tightly wraps the splicing opening limiting groove and the birdmouth limiting groove, so that the whole joint coating heat preservation structure can still keep stable when the pipeline stretches out and draws back or bears external force.

The utility model discloses a big section layering combination type direct current high -voltage cable, include: cable cover, the inside of cable cover is provided with cable conductor, the inner wall bonding of cable cover has waterproof cover, the inner wall bonding of waterproof cover has spiral copper wire cover, the inner wall bonding of spiral copper wire cover has galvanized steel band, the utility model relates to high -voltage cable technical field, this cable cover, through the setting of galvanized steel band spiral winding and spiral copper wire cover and filling cover, the mechanical strength of cable is enhanced significantly, makes cable can bear tension, pressure, distortion force and bending force, in the complex laying environment and long -term operation process, effectively resist the destruction of external force, maintain cable structure integrity, and waterproof cover is closely bonded in the inner wall of cable cover, constructs high -efficient waterproof barrier, prevents the moisture of outside from invading cable inside, avoids the insulation performance decline and metal part corrosion problem because of moisture.

This invention relates to a new energy battery cooler, belonging to the field of new energy vehicle battery cooling technology. The new energy battery cooler includes a battery base, a controller, a protective shell, and a battery pack. The controller and protective shell are fixedly installed on the top of the battery base, and the battery pack is disposed inside the protective shell. A cooling flow guiding mechanism is included, comprising a contact shell, a cooling component, and a heat-conducting component. The contact shell is fixedly installed on the outside of the battery pack. By setting a cooling flow guiding mechanism on the outside of the battery pack, a passive adaptive flow guiding function not found in traditional liquid cooling structures is achieved. A composite layer of shape memory alloy memory valves and phase change microgrids is introduced into the cooling channel. When the battery pack locally heats up, the phase change layer absorbs and diffuses heat, while the memory valves deform to expand the channel cross-section, causing the coolant to automatically increase flow to the hot spot area to enhance heat transfer. This dynamically adjusts the local cooling capacity and significantly improves temperature uniformity.

The invention discloses a waste gas combustion furnace for semiconductor production, which belongs to the technical field of semiconductor waste gas treatment, and comprises a furnace body, a combustion chamber arranged in a cavity of the furnace body, and a combustion chamber arranged in the cavity of the furnace body, the combustion engine is arranged in the combustion chamber and used for providing heat for the combustion chamber; the heat exchanger is arranged in the cavity of the furnace body, and the heat exchanger is provided with a cold side channel and a hot side channel; the waste gas inlet is formed in the furnace body and communicated with a cold side channel inlet of the heat exchanger; the waste gas outlet is formed in the furnace body and is communicated with a hot side channel outlet of the heat exchanger; a cold side channel outlet of the heat exchanger communicates with the air inlet side of the combustion chamber, and a hot side channel inlet of the heat exchanger communicates with the air outlet side of the combustion chamber. The waste heat utilization rate of the waste gas combustion furnace is increased, and the fuel consumption and the operation cost are reduced.

This invention relates to the field of glass curtain wall technology and proposes a glass curtain wall connection and fixing structure, including: a main shaft; a bushing fixedly connected to the surface of the main shaft, and multiple sets of connectors fixedly connected to the outer surface of the bushing; one side of each connector is provided with a connecting steel column, which is a hollow structure. An intelligent integrated solution of "adjustable clamping and fixing + dual-sensor monitoring + active dehumidification" is adopted, specifically as follows: Adjustable mechanical fixing: the glass curtain wall is clamped from both sides by a connecting screw and a fixing plate, with rubber pads buffering stress; rotating the screw adjusts the clamping force to adapt to glass of different thicknesses, achieving reliable installation; dual-dimensional real-time monitoring and early warning: sensor one monitors the threaded connection status of the fixing rod and the connecting steel column, and sensor two monitors the displacement and shaking of the glass unit. Once the detected value exceeds the limit, the corresponding warning light immediately illuminates, and the LED display screen simultaneously displays fault information, achieving accurate positioning and immediate early warning.

The invention relates to a biomass gasification system and a gasification method. The gasification system comprises a pressurized feeding unit, a fluidized bed gasification unit, a deslagging unit, an entrained-flow bed high-temperature cracking unit, a synthesis gas washing unit, a slag water unit and a gasification agent conveying unit, the fluidized bed gasification unit comprises a fluidized bed gasification furnace and a high-temperature cyclone separator; the fluidized bed gasification furnace is connected with the pressurized feeding unit, the gasifying agent conveying unit, the high-temperature cyclone separator and the deslagging unit; the entrained-flow bed high-temperature cracking unit comprises an entrained-flow bed high-temperature cracking furnace, and the entrained-flow bed high-temperature cracking furnace is connected with a high-temperature cyclone separator, a gasifying agent conveying unit, a synthesis gas washing unit and a slag water unit. Compared with the prior art, the invention couples the advantages of the fluidized bed and the entrained-flow bed, and has the characteristics of wide raw material applicability, high effective gas content, no tar, low energy consumption and the like.

The application discloses a single-component dealcoholized sealant and a preparation method and application thereof. The single-component dealcoholized sealant comprises the following raw materials in parts by mass: 80-120 parts of alkoxyl-terminated polydimethylsiloxane; 40-70 parts of surface-modified silica powder; 10-40 parts of flame retardant; 3-12 parts of flame retardant synergist; 3-12 parts of fumed silica; 5-40 parts of plasticizer; 0.5-10 parts of crosslinking agent; 0.5-10 parts of catalyst; and 0.5-10 parts of adhesion promoter. The structural formula of the alkoxyl-terminated polydimethylsiloxane is shown as formula (I): (R1O)3SiCH2CH2[(CH3)2SiO]nSi(CH3)2CH2Si(OR2)3 n Formula (I), wherein R1 and R2 are independently selected from C1-C10 alkyl, and n is 800-2200. The sealant has good storage stability, low hardness and high elongation, low viscosity, good extrudability, no corrosion to PC, fast curing speed, low density and good flame retardancy.

The invention belongs to the technical field of electrochemical energy storage batteries, and particularly relates to a chlorine-free simple magnesium salt electrolyte for a magnesium-sulfur battery as well as a preparation method and application of the chlorine-free simple magnesium salt electrolyte. The electrolyte comprises magnesium salt, ionic liquid, an organic ether solvent, an amine solvent and an organic phosphide additive. The solvation structure is regulated and controlled through the synergistic effect of multiple components, the compatibility of the electrolyte with the sulfur positive electrode and the magnesium negative electrode is improved, and the electrochemical performance of the magnesium-sulfur battery is improved. Specifically, the amine solvent is used as a strong polar solvent to improve the solubility of the magnesium polysulfide, so that the diffusion and redox conversion kinetics of the magnesium polysulfide are promoted, and the organic phosphide is used as an additive to effectively improve the specific discharge capacity and voltage platform of the magnesium-sulfur battery. Meanwhile, due to the addition of the ionic liquid, the stability of a magnesium negative electrode / electrolyte interface is improved, the transmission capacity of Mg < 2 + > is enhanced, and the overpotential of magnesium deposition / dissolution is reduced. In addition, the electrolyte does not contain chloride ions, so that the corrosion problem caused by the chloride ions is avoided.

The application relates to the technical field of ship manufacturing, and discloses a ship rudder system structure and a ship rudder system structure assembling method. The structure comprises a rudder blade, a rudder sleeve, a rudder rod and two sealing plates; the rudder blade has a slotted surface and two opposite working surfaces, the slotted surface is concavely provided with a notch groove, the notch groove is communicated with two avoidance half grooves, the two avoidance half grooves are respectively communicated with the two working surfaces, the avoidance half groove is spaced apart from the end of the notch groove and is uniformly provided with a plurality of lug plates, the lug plate is penetrated with a first through hole; each sealing plate is installed in one avoidance half groove, the edge of the sealing plate is penetrated with a second through hole; a through-hole bolt is penetrated through the second through hole and is screwed in the first through hole, the bolt head of the through-hole bolt is penetrated with a bolt through hole, a flexible wire is penetrated in the bolt through hole, and the two adjacent through-hole bolts are fixedly connected through the flexible wire; the rudder sleeve is inserted in the notch groove; and the rudder rod is penetrated through the rudder sleeve and a positioning pipe in the notch groove. The structure improves the connection mode of the sealing plate and the rudder blade, and reduces the dismounting difficulty of the sealing plate.

This utility model discloses a three-section structure for the lower mold of a wheel hub mold, including: a lower mold for the wheel hub, a lower mold section body provided on the inner cavity of the lower mold through a mold base, a lower mold section water-cooling insert for the lower mold section body which is fixed with bolts for disassembly and replacement, and a lower mold section cold water insert for the lower mold section which is fixed with screws for disassembly and replacement. Through the independent water-cooling structure of the lower mold section cold water insert, the cooling efficiency of the original weak heat dissipation area can be enhanced, the local temperature can be reduced quickly, and the segmented water cooling makes the temperature distribution of each area more balanced, reducing the thermal deformation of the mold caused by temperature difference and improving the quality of wheel hub forming. The lower mold section two and three both adopt the insert structure fixed with bolts / screws. When a certain section or the easily corroded third section is worn or corroded, it is not necessary to disassemble or replace the entire lower mold, but only to replace the corresponding insert, which greatly reduces maintenance costs and downtime.

A direct-fired incineration system for maleic anhydride plant tail gas, relating to the field of environmentally friendly chemical waste treatment, includes a three-stage incinerator, an ultra-high pressure waste heat boiler, a tail gas preheater, and a chimney. The three-stage incinerator comprises a high-temperature combustion section, a high-temperature oxidation section, and an ultra-clean oxidation section connected sequentially. The outlet of the ultra-clean oxidation section, the flue gas passage of the ultra-high pressure waste heat boiler, the tail gas preheater, and the chimney are connected sequentially. A main burner and an auxiliary burner are located at the top of the high-temperature combustion section. Preheated tail gas flows out of the tail gas outlet of the tail gas preheater and is divided into a first tail gas path, a second tail gas path, and a third tail gas path. The first tail gas path is connected to the high-temperature combustion section, the second tail gas path is connected to the high-temperature oxidation section, and the third tail gas path is connected to the ultra-clean oxidation section. This system enables tail gas incineration treatment of maleic anhydride plants using the n-butane process and hydrogen cyanide plants. The incineration system is highly efficient and energy-saving, eliminating the need for SNCR or SCR denitrification devices and ensuring low nitrogen emissions from the flue gas.

The present application relates to the technical field of electro-synthesis of hydrogen peroxide, and particularly relates to a tungstate nanomaterial, a preparation method thereof and application of the tungstate nanomaterial in electro-synthesis of hydrogen peroxide. The tungstate nanomaterial provided by the present application can be directly used as a catalyst, and the active component of the catalyst is a transition metal tungstate nanomaterial. The catalyst has stable structure, no carbon active center, avoids carbon corrosion problem and has excellent electrochemical stability. The tungstate nanomaterial provided by the present application has H2O2 selectivity of more than 83% in an alkaline medium, and the H2O2 selectivity does not attenuate after 20000 cycles of cyclic voltammetry test. The catalyst is one of the catalysts with the best performance in electrochemical oxygen reduction synthesis of H2O2 in an alkaline medium. The tungstate nanomaterial provided by the present application has advantages of excellent stability, high H2O2 selectivity and low cost when used as a catalyst in electrochemical oxygen reduction synthesis of H2O2, and has important significance for promoting the development of electrochemical oxygen reduction synthesis of H2O2.

The application discloses a preparation method of silicon nitride nano-powder, relates to the technical field of inorganic non-metallic nano-material preparation, and is characterized by a direct nitriding reaction link of silicon vapor and nitrogen plasma. The method uses high-purity silicon vapor prepared by an existing process as raw material, introduces the high-purity silicon vapor into a nitrogen plasma reaction area, and under specific process conditions, the silicon vapor and the nitrogen plasma rapidly generate a nitriding reaction to form a silicon nitride nano-particle precursor. After condensation, collection and simple subsequent treatment, high-purity silicon nitride nano-powder is obtained. The core reaction link of the application does not need to prepare a solid silicon powder intermediate, has high reaction efficiency, high product purity and good dispersity, solves the problems of easy agglomeration and high impurity content of silicon nitride powder in the prior art, and the product can be applied to high-end fields such as high-temperature structural ceramics and semiconductor packaging.

The invention provides an anchoring structure intelligent life prolonging method and system based on artificial current field reverse corrosion, and belongs to the technical field of rock mass anchoring protection.The anchoring structure is provided with a power module, a monitoring module and an electrode assembly, and the electrode assembly comprises a negative electrode, a weak positive electrode and a strong positive electrode; through double-anode layout, a weak anode is arranged in a hole to form a loop with a cathode by means of a seepage field, a replaceable strong anode is arranged outside the hole to replace corrosion of the weak anode, and an anchoring structure is used as the cathode for protection; a reverse corrosion system of an artificial current field is formed in an engineering area through the power supply module, a corrosion current field formed by an anchoring structure serving as a positive electrode and underground water in a natural state is broken, and the problem of corrosion caused by chemical action of the anchoring structure and corrosive ions in the underground water is solved; and finally, according to two indexes, namely the corrosion degree of the anchoring structure and the corrosive ion concentration, dynamically feeding back, correcting and regulating and controlling the current to realize intelligent anti-corrosion control so as to prolong the service life of the anchoring structure.

The utility model relates to gate coating technical field, and disclose a kind of gate stain-resistant anticorrosive bionic nano coating structure, comprising: gate substrate, its outer surface is equipped with coating part, coating part is from inside to outside in turn base layer, primer, intermediate coating, functional layer and nano anticorrosive coating, base layer is treated by sand throwing, can increase gate substrate surface roughness, improve the bonding force with subsequent primer, ensure that coating adheres firmly;Primer uses polyurethane cloud iron labyrinth rust-proof technology, utilize labyrinth structure to prolong the penetration path of corrosive medium, enhance rust protection;Intermediate coating is inorganic silica-alumina ceramic coating, with excellent chemical stability and wear resistance, can further block outside corrosive medium invasion, improve overall protection performance;Functional layer and nano anticorrosive coating use nano bionic lotus leaf hydrophobic layer, with water-repellent effect, reduce moisture adhesion by virtue of superhydrophobic characteristics, reduce stain adhesion ability.

The present application relates to the manufacturing detection technology of marine pressure equipment, and aims to provide a kind of in-situ testing device and method for mechanical properties of composite material in seawater environment.The device includes seawater preparation and storage system, pretreatment system, test system, delivery circulation system, heating system and control system;In the water bath of pretreatment system, a plurality of traction tooling are provided, for continuously applying stress to the sample during pretreatment;Test system includes tensile test system and environmental chamber, and the environmental chamber is installed between the two traction mechanisms of tensile test system;Delivery circulation system includes pipeline for connecting various container equipment, for delivering seawater for circulation use.The composite material laminate sample of the present application is immersed in seawater environment from installation to final fracture failure, and the problem of in-situ testing of mechanical properties of composite material in seawater environment is solved.The structure of the device is simple, easy to install, and can be used for composite material performance testing in different temperature conditions and different salinity seawater environment.