190 results about "Saline mist" patented technology

The invention discloses a method for monitoring the heat dissipation performance of a module in a salt mist environment, and belongs to the technical field of material performance monitoring, and the method comprises the steps: carrying out the continuous spectrum data collection of the heat dissipation surface of the module in the salt mist environment, obtaining original multispectral data, carrying out the background correction, generating multispectral imaging data, and recognizing an action region; analyzing the spectral response attribute of the action area, obtaining a characteristic spectral fingerprint, carrying out physical parameter inversion, obtaining heat dissipation related physical parameters, and combining heat flow distribution data during the operation of the synchronous acquisition module to establish a related mapping relationship; and carrying out quantitative evaluation on the influence degree and the degradation trend of the salt mist environment on the heat dissipation performance of the module by combining the related mapping relationship to obtain a performance evaluation report. According to the method, the technical means of combining multispectral imaging analysis and heat flow data modeling is adopted, and quantitative diagnosis and trend prediction of heat dissipation performance degradation can be achieved.

The invention relates to the technical field of material performance testing, and discloses a multi-parameter simulation salt spray environment test system and method, and the system comprises a multi-parameter cooperative control module, a bionic fog drop generation and salt spray adjustment module, an energy recovery and resource circulation module, a salt spray environment adaptive compensation module, and a test data intelligent analysis module. The modules are in closed-loop communication through an industrial Ethernet; the method comprises the steps of test preparation, model initialization, dynamic simulation and compensation, energy resource circulation and data processing ending, specifically, a salt mist concentration-temperature-humidity-wind speed coupling model is constructed, uniform salt mist is generated through bionic atomization and electrostatic adsorption, self-adaptive compensation is achieved in combination with partition sensing and corrosion current detection, and the salt mist concentration-temperature-humidity-wind speed coupling model is obtained. And heat is recovered, and condensate water and non-atomized saline water are recycled. The problems of multi-parameter coupling interference, resource waste and low data value in the prior art are solved, the simulation precision and the resource utilization rate are improved, and the method is suitable for multi-field material corrosion resistance testing.

The invention relates to the technical field of salt spray corrosion tests, in particular to cable assembly salt spray corrosion resistance testing equipment which comprises a box body and a cable clamping seat arranged in the box body. When the cable assembly salt spray corrosion resistance testing equipment is used, a driving mechanism drives a rotating frame to rotate around a center shaft of the rotating frame, and a plurality of salt spray nozzles are driven to rotate synchronously; all-around and dead-corner-free wrapping type spraying from top to bottom and from outside to inside is realized, and each surface of a sample can be uniformly covered by salt mist; the deflection nozzle is driven by the swing mechanism to perform periodic reciprocating swing, and swing airflow can effectively blow the surface of a cable sample, so that a heavy liquid film on the surface of the sample can be thinned and disturbed, unreal flowing caused by the gravity action is prevented, and the state of the liquid film is closer to the effect of wind and rain in the natural environment; and a weak dead angle possibly existing in spraying of the enhanced rotating frame can be supplemented, so that the distribution uniformity of salt mist and the severity of testing are further improved, and the authenticity and the accuracy of environment simulation are remarkably improved.

The invention relates to the technical field of cables, provides an environment-friendly marine cable, and aims to solve the technical problem that an existing marine cable is insufficient in comprehensive protection capability. The cable sequentially comprises a cable core conductor, an insulating layer, an inner protective layer, a viscoelastic damping and stress decoupling layer, a dual-function sacrificial hydrogel layer and a high-durability environment-friendly outer sheath from inside to outside. By the adoption of the technical scheme, integrated cooperative protection of the structure and materials can be achieved, dual active protection on moisture and salt mist is provided, the cable is endowed with excellent mechanical stress tolerance, and high environmental protection performance and long-period durability of the cable are guaranteed.

The invention relates to the technical field of hole sealing reagents, in particular to a medium-temperature nickel-free hole sealing agent and a preparation method and application thereof. The invention provides a nickel-free hole sealing treatment fluid, which comprises the following components by mass concentration: 0.1-30 g / L of a main hole sealing agent; 0.01 to 30 g / L of polyol fatty acid ester; 0.1 g / L to 10 g / L of an accelerant; a pH buffer agent is 0.05 to 5 g / L; wherein the main hole sealing agent comprises alkali metal salt and / or alkaline earth metal salt and lays a hole sealing core foundation; the polyol fatty acid ester is used as a coalescing agent and can form an organic film on the outer surface of a film layer to further obstruct a medium and improve the smoothness; the accelerant can further improve the corrosion resistance and the color fixing property; and the pH buffering agent ensures that the functions of all the components are fully exerted. All the components of the treating fluid cooperate with one another, so that the hole sealing quality, the salt mist tolerance and the color fixing performance of the treating fluid can be comparable with those of a commercially available nickel-containing hole sealing agent, and the treating fluid shows excellent comprehensive performance.

The present application belongs to a kind of anti-tarnish sealant, for the technical problem that existing anti-tarnish agent can only extend the tarnish time, reduce the degree of tarnish, and the high temperature stability is poor, the silver-plated parts after treatment poor acid and salt fog ability, provide a kind of silver coating water-based anti-tarnish sealant, anti-tarnish film and its preparation method, anti-tarnish sealant includes yttrium zirconium composite sol, silane coupling agent, alkyl mercaptan, emulsifier, wetting agent, penetrant and water, it is proved to have the dual role of anti-tarnish and sealing silver coating hole, can significantly improve the anti-tarnish ability and acid and salt fog resistance of silver coating, and has very high high-temperature stability, can withstand 900 ℃ high-temperature baking.

To provide a highly convenient repair support device or the like considering the influence of salt damage.SOLUTION: A repair support device 10 includes a processing unit 2 that specifies a salt damage area division of a position of a facility to be repaired on the basis of latitude and longitude of the facility and a salt damage map 12 indicating the salt damage area division, and calculates at least one of a construction cost when the facility is repaired and an endurance time of the facility against salt damage after the repair on the basis of the salt damage area division. The processing unit 2 calculates the endurance time of the repaired facility against the salt damage based on the endurance time of the test piece against the predetermined salt spray test corresponding to the salt damage area section.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of surface modification, and particularly relates to a super-hydrophobic insulating coating with a surface microstructure and a preparation method and application of the super-hydrophobic insulating coating. The defects of poor environmental stability, low regulation and control precision, insulation performance attenuation and the like in the prior art are overcome, the static contact angle of the disclosed super-hydrophobic insulation coating is larger than or equal to 150 degrees, the rolling angle is smaller than or equal to 5 degrees, meanwhile, the insulation strength is larger than or equal to 90% of that of an original substrate (the breakdown field strength is larger than or equal to 20 kV / mm), and collaborative optimization of the super-hydrophobic performance and the insulation performance is achieved; moreover, after the coating is naturally aged outdoors for 3 years, the contact angle change rate is smaller than or equal to 10%, the insulation strength attenuation rate is smaller than or equal to 8%, and the long-term environmental stability of the super-hydrophobic insulating coating is effectively improved. A precise regulation and control mechanism is also established based on a molecular dynamics simulation-based low-droplet adhesion microstructure insulation surface design method, so that the droplet contact time is reduced by more than 60% compared with a flat surface, the instantaneous leakage current is reduced by 40%-60%, and the method not only adapts to a polluted environment with the temperature range of-40 DEG C to 180 DEG C and the salt mist concentration of less than or equal to 0.5 mg / m, but also meets the preparation requirements of power equipment with complex shapes.

The utility model relates to the technical field of salt spray testing of mobile phone accessories, and aims to solve the problems that materials are tightly stacked and acid mist and acid liquor cannot quickly permeate into the materials to achieve a sufficient testing effect when a material placing plate is used for carrying the materials for salt spray testing in the prior art. The utility model provides a mobile phone accessory salt mist testing device which comprises a detection box body, a pair of mist spraying assemblies and a pair of material containing net baskets, the pair of material containing net baskets is arranged between the pair of spraying assemblies in a spaced mode. The cross section of the material containing net basket is in an isosceles trapezoid shape. The pair of spraying assemblies are oppositely arranged in the detection box body in a penetrating manner; one end, penetrating into the detection box body, of the spraying assembly is a liquid outlet end; the liquid outlet end is parallel to the bevel edge of the isosceles trapezoid; according to the utility model, the material containing net basket with the isosceles trapezoid-shaped cross section is adopted, so that the permeation area of acid mist is increased, the acid mist can fully permeate into the basket, close accumulation of accessories can be avoided, and a comprehensive and sufficient detection effect is achieved.

The invention relates to the technical field of metal surface treatment, in particular to a high-salt-spray-corrosion-resistance workpiece surface phosphating treatment method. The method comprises the following working procedures of ultrasonic oil removal, water washing, water washing, activation, dipping phosphorization, water washing, water washing, ultrasonic hot water washing and drying, and dipping phosphorization refers to that an activated workpiece is put into a phosphating solution to be subjected to phosphating treatment; the phosphating solution comprises the following components: 5-8 g / L of organic phosphonic acid, 30-40 g / L of zinc dihydrogen phosphate, 50-55 g / L of calcium nitrate, 2-4 g / L of sodium m-nitrobenzenesulfonate, 1-2 g / L of an accelerant, 0.5-0.8 g / L of a surfactant, 1-3 g / L of sodium molybdate, 2-4 g / L of citric acid and 0.2-0.44 g / L of rare earth salt. Through low-temperature high-efficiency process design and multi-component collaborative innovation, breakthrough is achieved in the aspects of compactness, corrosion resistance, adhesive force and other core performance of the phosphating film, the environment friendliness and economical efficiency are both achieved, and a new solution is provided for metal corrosion prevention in the fields of automobiles, ships, electronics and the like.

The present application relates to the technical field of material performance testing, and discloses a material corrosion testing device and testing method for simulating ocean acidification environment, comprising: a closed simulation testing cabin, which is internally divided into a top-down salt mist simulation cabin, a wet heat simulation cabin and a high-pressure immersion simulation cabin by horizontally arranging openable and closable upper and lower insulation boards, and is provided with a cabin door with a sealing structure at the top; through the independent modular design of the salt mist simulation cabin, the wet heat simulation cabin and the high-pressure immersion simulation cabin, and the automatic switching function of the rotatable lifting sample holder, the present device realizes precise coupling and seamless switching of corrosion environments such as salt mist spraying, high temperature and high humidity, and deep sea high pressure, and the sample can complete the whole cycle corrosion behavior research of the marine atmospheric zone, the splash zone, the tidal zone and the full immersion zone on the same platform, and eliminates the interface effect caused by the traditional multiple equipment series connection testing.

This application discloses a sealing device for the enclosure of a prefabricated substation, relating to the field of power equipment technology. It includes a first clamping member, a second clamping member, and an elastic sealing member. Both the first and second clamping members are disposed on the enclosure of the prefabricated substation. The first clamping member has a first receiving groove, and the second clamping member has a second receiving groove corresponding to the first receiving groove. The first and second receiving grooves enclose a receiving cavity. The elastic sealing member is disposed within the receiving cavity, and its outer diameter is larger than the inner diameter of the receiving cavity. The elastic sealing member has a wire-passing hole that communicates with the inside and outside of the prefabricated substation enclosure. The first and second clamping members are connected by an adjusting structure, which drives both the first and second clamping members to move towards the elastic sealing member. This solution can prevent sand, salt spray, and water vapor from intruding into the interior of the prefabricated substation and effectively prevent small organisms from entering.

The invention discloses a rapid evaluation method for atmospheric corrosion resistance of weathering resistant steel and application thereof, the evaluation method comprises the following steps: S1, calculating an atmospheric corrosion resistance index I of the weathering resistant steel based on chemical components of the weathering resistant steel according to the following formula: I = 26.01 Cu + 3.88 Ni + 1.20 Cr + 1.49 Si + 17.28 P-7. 29 Cu * Ni-9. 10 Ni * P-33.39 (Cu) 2, and if I is greater than or equal to 6.2, entering subsequent test evaluation; s2, performing a neutral salt spray test on the sample meeting the step S1 for 72 hours, then calculating the salt spray corrosion rate, and if the salt spray corrosion rate is less than or equal to 1.16 g / (m < 2 >. H), judging that the sample is qualified; s3, if the weathering resistant steel is used in the high-humidity atmospheric environment, a periodic infiltration test needs to be carried out, and if the periodic infiltration corrosion rate is smaller than or equal to 1.958 g / (m < 2 >. H), it is judged that the weathering resistant steel is applicable; and S4, if the weathering resistant steel is used for a typical atmospheric environment with high temperature, high humidity and serious corrosion, an atmospheric exposure test needs to be performed for 12 months, and if the stable corrosion rate is smaller than or equal to 0.031 g / (m < 2 >. H), it is judged that the weathering resistant steel is applicable. The weather-resistant steel corrosion performance evaluation system is established by analyzing the atmospheric corrosion resistance index of the weather-resistant steel and the corrosion results of different materials in different typical environments.

The invention provides a material surface and interface damage in-situ characterization system for multi-factor coupling corrosion, and relates to the technical field of in-situ detection equipment. The technical problem that in the prior art, in-situ microscopic observation cannot be conducted on a material surface interface in a simulated service environment, and the dynamic evolution rule of surface interface corrosion behaviors in the same area in the corrosion process cannot be accurately tracked is solved. According to the material surface and interface damage in-situ characterization system for multi-factor coupling corrosion, simulation of heat, salt and force multi-field coupling corrosion is achieved through a salt mist generating device, a multi-point heating module and a corrosion-resistant loading table, an X-ray diffractometer is allowed to conduct in-situ diffraction testing through an X-ray incident window and an X-ray emergent window, corrosion product in-situ phase analysis under the simulated working condition is achieved, and in-situ phase analysis of the corrosion product under the simulated working condition is achieved. And the corrosion-resistant loading table can enter the electron microscope for micro-area structure and micro-area component analysis, the multi-point heating module can keep the consistency of the sample state in the X-ray diffractometer and the electron microscope, and different heating sites can be used for heat, salt and force environment experiments.

The utility model discloses a kind of composite board anticorrosive salt fog testing devices, belong to material science and engineering technical field, and its technical scheme main points include salt fog box, the left side of the salt fog box is movably connected with pre-cleaning mechanism, the bottom of the inside of the salt fog box is movably connected with positioning mechanism, the right side of the inside of the salt fog box is movably connected with salt fog spray test equipment, the front side of the salt fog box is rotatably connected with swing door, the inside of the swing door is fixedly connected with positioning magnetic attraction, can be automatically adjusted by servo motor drive cleaning roller to adhere composite board thickness, realize through liquid storage tank and atomizing nozzle cooperation, reach the automation pre-cleaning process of front section cleaning, rear end drying, to avoid scratch, by atomizing spray and drying segmented processing, reduce dust impurity residue, solve the problem of low efficiency, uneven pressure and impurity residue caused by test result deviation of artificial wiping.

The utility model discloses a kind of salt fog testing machine of high sealing property, it is related to field, including testing machine box, connecting hinge, sealing cover and control box, the connecting hinge is fixedly installed in the rear end of testing machine box, the sealing cover is movably installed in the outside of connecting hinge, the control box is fixedly installed in one side of testing machine box, the top of sealing cover is fixedly installed with agitating mechanism.The utility model has realized the dynamic, even spraying of salt fog in test box space, cooperate agitating mechanism and continuously rotate in the middle of two salt fog nozzles, effectively scatter, agitate the salt fog of spraying, prevent salt fog local gathering or settling too fast, further ensure the high uniformity of salt fog concentration and distribution in entire test space, significantly improve the coverage uniformity and result reliability of salt fog test, make the corrosion environment that test sample each part suffers more consistent, test data more accurate, so that salt fog testing machine promotes salt fog distribution uniformity and test accuracy.

The invention discloses a corrosion monitoring and early warning test device and method for an underground coal mine metal supporting member, and relates to the technical field of underground coal mine supporting member monitoring. The test device comprises an anchor rod or anchor cable test piece, a simulation test cabin, a stress applying device, an electric heating device, a salt mist applying device and a control module. According to the method, a corrosion rate formula under the comprehensive influence of multiple factors is deduced through the action effect of a single corrosion influence factor, experimental test data are further combined with the actual underground working condition, the corrosion failure time of the underground coal mine metal supporting component is accurately predicted, corrosion monitoring and early warning are conducted on the underground coal mine metal supporting component, and the coal mine underground metal supporting component is protected. Corrosion prevention and control of a coal mine underground roadway supporting component is changed from passive response type maintenance to active preventive reinforcement, production safety is improved, and the maintenance cost of the roadway life cycle is reduced.

The invention discloses a multifunctional comprehensive testing machine for mechanical property and durability of fiber concrete, which comprises a testing machine base with a test box assembled on the upper end face; the stand columns are vertically and symmetrically fixed in the test box; the loading units are installed on the stand columns and located on the opposite end faces of the two stand columns; the salt mist spraying unit is arranged in the test box, and the salt mist spraying unit is located between the two loading units; the supporting top shaft is vertically fixed at the central position in the test box; according to the invention, mechanical loading functions of axial tension and compression, bending, torsion, dynamic fatigue and the like and environmental simulation functions of salt spray erosion, temperature and humidity control and the like are highly integrated in a closed test box, so that one-stop test is realized, movement damage and state change of a test piece are avoided, and the test efficiency, data coherence and result comparability are greatly improved.

The application provides a high-low temperature composite environment sensitive fracture test system, which comprises a fracture testing machine, a high-low temperature composite salt spray test box and a main control cabinet; the test cavity of the high-low temperature composite salt spray test box is arranged in the environment sensitive fracture testing machine; a test piece is in the test cavity of the high-low temperature composite salt spray test box, a high-low temperature alternating corrosion environment is realized through a wet heat module, a low temperature module and a spraying device; a salt spray, a wet heat, a drying and a low temperature test section are set through a control system, the time and the cycle number of each test section are adjusted, a high-low temperature composite salt spray environment is formed, and the environment sensitive fracture test under a multi-factor coupling environment can be realized in cooperation with the environment sensitive fracture testing machine. The application has a flexible structure, a large adjustable range, high test efficiency, saves test space, can simulate the real service environment according to the service environment of the material test piece under different working conditions, adjust the environment test parameters, simulate the real service environment, and multi-levelly examine the environment sensitive fracture performance of the material.

The utility model belongs to the technical field of salt spray test articles, and discloses a salt spray test sample placing tool which comprises a base and a supporting assembly. The base is provided with a plurality of clamping grooves, the clamping grooves obliquely extend upwards at a preset angle, and the clamping grooves are configured to be used for inserting samples. The supporting assembly comprises a first supporting piece, a second supporting piece and a third supporting piece which are all inserted into the clamping groove. A plurality of insertion holes are formed in the first supporting piece, and the insertion holes are configured to be used for insertion of samples. A plurality of bearing supports are arranged on the second supporting piece, and the bearing supports are configured to be used for bearing samples. A net-shaped structure is arranged on the third supporting piece, and the net-shaped structure is configured to be used for supporting a sample. The placing tool for the salt spray test sample can be used for placing samples with different sizes and different shapes, ensures that the samples are obliquely placed at a preset angle, and ensures the accuracy of a test result.

The invention provides a material surface and interface damage in-situ characterization transit warehouse for multi-factor coupling corrosion, relates to the technical field of in-situ detection equipment, and aims to solve the technical problems that a load and a high-temperature sample cannot be directly conveyed into an electron microscope from an X-ray diffractometer and salt mist on the surface of the sample easily causes corrosion damage to the electron microscope in the prior art. According to the material surface interface damage in-situ characterization transfer bin for multi-factor coupling corrosion, a pre-pumping chamber is independent from an electron microscope, a transfer chamber and the pre-pumping chamber are isolated through a gate valve, a rail assembly, a vacuum pump set and a nitrogen blowing device are integrated, and a transfer channel special for corrosion surface interface damage in-situ characterization is constructed; the corrosion-resistant loading table clamps a sample to move through the track assembly, the nitrogen blowing device is used for rapidly drying moisture on the sample and preventing salt mist from damaging the electron microscope when the sample enters the electron microscope, and the vacuum pump set can vacuumize the pre-vacuumizing chamber, so that the corrosion-resistant loading table can clamp the sample to enter the electron microscope.

The invention provides a processing method for a shell of an aerosol generating device and the aerosol generating device. The method comprises the steps that a containing part is arranged on the surface of the shell; dripping a curing medium into the accommodating part through an ink dripping process; and curing the curing medium. The curing medium is arranged in the containing part on the surface of the shell through the ink dripping technology, the curing layer is formed after the curing medium is cured, the curing layer located in the containing part is not prone to falling off and being abraded off, the surface is smooth and attractive, and therefore when a paper tape friction test, an alcohol friction test, a salt mist test, a water boiling test and other tests are conducted on the surface of the shell of the aerosol generating device, the testing efficiency is improved. And abnormal risks such as falling of a curing layer, wearing-through and base exposure are not easy to occur.

The invention discloses an automobile body inner cavity electrophoresis test method which comprises the following steps: S1, manufacturing a test device which comprises a first pretreatment steel plate and a second pretreatment steel plate; s2, putting the test device into an electrophoresis tank, enabling the first pretreatment steel plate to be opposite to an anode electrode in the electrophoresis tank, and then carrying out an electrophoresis test; s3, the second pretreatment steel plate is taken out, and a circulating salt spray test is conducted; s4, treating after the test; s5, removing corrosives on the surface of the second pretreatment steel plate; and S6, measuring the height of a paint film on the surface of the second pretreatment steel plate. According to the electrophoresis test method for the inner cavity of the automobile body, the inner cavity anti-corrosion condition can be visually evaluated by using the inner cavity upper film sample plate to carry out the circulating salt mist experiment, circulating salt mist is introduced into the normal-temperature, normal-humidity, high-temperature and high-humidity environment compared with neutral salt mist, the circulating salt mist is closer to the atmospheric environment use condition, and it is ensured that the inner film electrophoresis anti-corrosion condition can be correctly evaluated.

The utility model discloses a full-automatic salt spray testing machine which comprises a rack, a box cover, a salt water preparation assembly, an electric appliance assembly, a salt water storage box, a spray tower, a saturation pressure barrel, a storage rack and a control panel, the rack is a rack body of which the middle part is provided with a cavity; a test cavity is arranged in the cavity, and a horizontally arranged storage rack is arranged in the test cavity; a heating pipe is arranged in the test cavity, a saline water storage tank is also arranged in the test cavity, and the upper end of the saline water storage tank is connected with a vertically arranged spray tower; and the saline water preparation assembly is connected with a saline water storage box below through a pipeline. The full-automatic salt spray testing machine disclosed by the utility model is simple and reasonable in structure and stable and firm in operation; the intelligent automatic salt spray test box can automatically prepare and add test salt water, the problem that an existing salt spray test box cannot be intelligently and automatically operated and run is solved, the salt spray test box is pulled into an automatic intelligent equipment rank, and the purposes of low running cost and high test efficiency are achieved.

The utility model discloses a temperature and humidity control system for whole salt spray test, mainly solves the problem of slow heating rate, big temperature fluctuation and poor uniformity in the implementation process of the existing whole salt spray test. The test bin is provided with: boiler and inlet and return water pipeline, side heating sheet, ground heating pipeline, hot air blower and its inlet and return air pipeline, humidifier and its humidification pipeline, mist exhaust fan and its mist exhaust pipeline, various sensors. The both ends of the heating sheet and ground heating pipeline are connected with the inlet and return water pipeline of the boiler respectively, and the heating of the test bin is completed together, the both ends of the inlet and return air pipeline are connected with the heating air blower and the test bin respectively to improve the temperature of the test bin quickly, the humidifier is connected to the upper end of the test bin through the humidification pipeline to humidify the test before spraying, and various sensors provide temperature and humidity data of the experimental process in real time. The utility model can improve the uniformity and heating efficiency of the heating space, effectively guarantee the temperature stability and uniformity of the test bin, and can be used for whole salt spray test.

The invention relates to the technical field of saline-alkali soil monitoring, and discloses a soil saline-alkali soil monitoring method and system based on image data processing, and the method comprises the steps: generating image data and ground sample labels adaptive to a network codec after radiometric calibration, denoising and standardization processing; inputting the standardized image data into an encoder capable of dynamically feeding back and decoupling; inputting the double-feature graph into a self-adaptive physical constraint generator; calculating the deviation between the initial salinity distribution map and a ground sample label, the deviation between the double-feature map and an ideal feature, and the deviation between a generation result and a physical rule; and outputting the salt distribution diagram and the salt mist distribution diagram after multiple rounds of calibration through the generator. Through the collaborative design of dynamic feedback decoupling coding and self-adaptive physical constraint generation, the salt mist scattering characteristics and the salt absorption characteristics are accurately separated, in the scene of salt mist concentration interference, the salt inversion error is effectively reduced, and the problem of difficult decoupling caused by salt mist interference is thoroughly solved.

The utility model relates to a circuit breaker, in particular to a vacuum circuit breaker for an outdoor high-salt-fog environment. The vacuum circuit breaker used in the outdoor high-salt-fog environment comprises a support, a rack is installed on the support, three sets of porcelain bushings are installed above the rack, an operation box is connected below the rack, and a CT19 spring operation mechanism is arranged in the operation box, and is characterized in that a lower wire outlet terminal and an upper wire outlet terminal are installed on the porcelain bushings, and a top cover is installed above the upper wire outlet terminal; an electronic moisture-proof box is arranged on the outer side of the operation box, baking varnish layers are arranged on the outer circumferential face and the crimping face of the upper wire outlet terminal, baking varnish layers are arranged on the outer circumferential face of the lower wire outlet terminal, and baking varnish layers are arranged on the upper end face and the outer circumferential face of the top cover. The utility model has the beneficial effects that the corrosion insulation problem of the circuit breaker in high salt mist and high humidity environments such as offshore wind power mainly using new energy such as wind power, photovoltaic and the like can be efficiently, reliably and thoroughly solved.

The invention discloses an interface enhanced UHPC bridge pier protection shell structure in a tropical damp and hot salt mist environment, and relates to the technical field of bridge pier protection, and the interface enhanced UHPC bridge pier protection shell structure comprises a shell part fixedly attached to the exterior of a bridge pier body; the side, close to the pier body, of the shell is provided with a main road, and the side of the main road communicates with a branch road. A material barrel is arranged at the top of the main channel, a material bin and a drying bin are arranged in the material barrel, the drying bin is located above the material bin, a drying plate is installed in the drying bin, and the material barrel is filled with a drying agent. According to the interface enhanced UHPC bridge pier protection shell structure in the tropical damp and hot salt mist environment, by arranging the charging barrel, the bottom box and other structures, directional suction and discharge of salt-containing steam are achieved, drying agents are sprayed in a distributed mode, the interface moisture concentration is effectively reduced, the situation that salt-containing moisture accelerates salt crystallization erosion and carbonization processes of concrete of a bridge pier body is avoided, and the service life of the bridge pier body is prolonged. And meanwhile, local micro-cracks, caused by humidity imbalance, on the inner side of the shell are prevented.

This invention relates to the field of material fatigue testing technology, and more particularly to a high-temperature rotary bending fatigue testing device capable of simulating different salt spray environments. Addressing the problem of existing equipment providing only a single environmental simulation, the high-temperature rotary bending fatigue testing device proposed in this invention includes an environmental cabinet with a shock-absorbing wooden block at the top; it also includes an environmental simulation mechanism, a salt spray supply and control mechanism, and a rotary bending loading mechanism. The environmental simulation mechanism is located on top of the shock-absorbing wooden block; the salt spray supply and control mechanism is located inside the environmental cabinet and communicates with the interior of the environmental simulation mechanism, used to control the concentration and flow rate of the salt spray supplied to the environmental simulation mechanism; the rotary bending loading mechanism is located on top of the shock-absorbing wooden block and coaxially connected to the environmental simulation mechanism, used for rotary bending of the test specimen. The high-temperature rotary bending fatigue testing device of this invention can closely simulate real service environments.

The utility model belongs to the technical field of surface coating tests, and particularly relates to an angle-adjustable sample placing support for a salt spray test, which comprises a main frame, a sample clamping rod, a support rod, a slideway and a hinge, the main frame is rectangular, the width size of the main frame is matched with the internal size of a salt spray test box, and a plurality of equidistant clamping grooves are horizontally arranged on the main frame. The sample clamping rods are movably connected with the clamping grooves, two slideways are arranged below the main frame in parallel, the left side and the right side of the main frame are connected with the slideways through supporting rods respectively, and the two corners of the bottom of the main frame are connected with the slideways through hinges; one end of the supporting rod is connected with the middle point of the side frame of the main frame, and the other end of the supporting rod is movably connected with the sliding way. The device disclosed by the utility model has the beneficial effects that the test flexibility is improved, the diversified requirements on the placement angle of the sample under different test conditions are met by randomly adjusting the placement angle of the sample between 0 degree and 90 degrees, and the flexibility and comprehensiveness of the test are enhanced.