187results about How to "Improve anti-corrosion performance" patented technology

The utility model discloses a photovoltaic system and a buckle cover type waterproof structure thereof, which belong to the field of photovoltaic technology and comprise a waterproof buckle cover arranged at a gap between two adjacent photovoltaic assembly frames. The waterproof buckle cover comprises a water retaining part which shields right above the gap, a buckle part which extends downwards from the water retaining part and is inserted into the gap, and a sealing part which extends from the water retaining part to two opposite sides of the gap and covers the A surface of the photovoltaic module frame, and the buckle part is buckled and fixed with the B surface of the photovoltaic module frame. And a sealing rubber strip is arranged between the sealing part and the A surface of the photovoltaic module frame. According to the waterproof cover plate, a small gap between the sealing part and the A surface is secondarily blocked through the sealing rubber strip, the waterproof reliability is improved, and therefore compared with a conventional waterproof cover plate, the waterproof cover plate can greatly improve the waterproof effect.

The application is applied to the field of architecture anti-corrosion technology, and discloses a method, device and equipment for preventing and controlling system architecture corruption, and a storage medium. The method comprises the following steps: acquiring a visual architecture topology graph; the visual architecture topology graph is drawn through a preset graphical editor; the visual architecture topology graph is a logical topology graph corresponding to a distributed application system; acquiring architecture model data based on the visual architecture topology graph; generating rule data corresponding to the distributed application system based on the architecture model data; and performing rule monitoring on business code by using the rule data to determine whether the business code meets the rule data. In this way, the automatic and comprehensive review of the business code is realized by the rule data generated by the architecture model data corresponding to the visual architecture topology graph without depending on the ability of an architect, thereby improving the anti-corrosion effect of the system architecture.

This invention relates to the field of anti-corrosion coating technology, specifically to a water-based corrosion-inhibiting anti-corrosion coating and its preparation method. When zinc phosphate is used alone as a corrosion inhibitor in water-based anti-corrosion coatings, it tends to agglomerate and has poor compatibility with resins. The protective coating formed on the metal surface by these water-based anti-corrosion coatings exhibits poor and unstable corrosion resistance. To address these problems, this invention provides a water-based corrosion-inhibiting anti-corrosion coating composed of two components, A and B. Component A contains a self-made composite corrosion inhibitor, ZnP-PEG-IPTS-GO. This composite corrosion inhibitor, through the bridging of IPTS, chemically bonds GO, PEG, and zinc phosphate, achieving an organic combination of "physical shielding" and "active passivation," significantly improving the overall anti-corrosion performance of the coating.

The utility model discloses an inclined rotary type conveying mechanism which comprises a cleaning bin, a cone spiral type conveying mechanism is installed on the inner side of the cleaning bin, the cone spiral type conveying mechanism comprises a transmission shaft, a cone roller, a support and a supporting bearing seat, the cone roller is transversely installed on the inner side of the cleaning bin, copper balls are installed on the inner side of the cone roller, and the supporting bearing seat is installed on the support. The transmission shaft is transversely and fixedly installed in the center of the conical roller, a support is installed on the inner side of the conical roller, the support is fixedly connected with the transmission shaft, supporting bearing seats are symmetrically installed on the two sides of the cleaning bin, and the two ends of the transmission shaft are rotationally connected with the supporting bearing seats; by arranging the conical spiral conveying mechanism, the conical roller can continuously complete the copper ball cleaning work, time and labor are saved, the cleaning efficiency is improved, meanwhile, in the rotating process of the conical roller, friction is generated between the copper ball and the inner wall of the conical roller and between the copper ball and the support, oxide on the surface of the copper ball is removed through liquid medicine, and the cleaning effect of the conveying mechanism is enhanced.

The utility model relates to a maritime work mass concrete pile foundation anti-corrosion device which comprises an outer-layer protective shell, a middle-layer spacing shell and an inner-layer anti-corrosion shell, and the outer-layer protective shell, the middle-layer spacing shell and the inner-layer anti-corrosion shell are all cylindrical shells formed by assembling two semi-cylindrical shells. The inner-layer anti-corrosion shell, the middle-layer spacing shell and the outer-layer protection shell are sequentially arranged on the outer side of a concrete pile foundation in a sleeving mode from inside to outside, a first reaction cavity is formed between the outer-layer protection shell and the middle-layer spacing shell, and a second reaction cavity is formed between the inner-layer anti-corrosion shell and the middle-layer spacing shell. A plurality of first reaction rods are horizontally arranged on the middle-layer interval shell in an array mode, a plurality of second reaction rods are horizontally arranged on the inner-layer anti-corrosion shell in an array mode, and hydrophobic materials used for reducing the seawater permeation speed are clamped between the connecting pieces at the two ends of the two semi-cylindrical shells. And the anti-corrosion capability of the concrete pile foundation is obviously improved.

The invention relates to the technical field of petroleum drill rods, in particular to a drill rod joint gradient coating and a preparation method and a coating method thereof. The gradient coating of the drill rod joint comprises a bottom layer, a middle layer and a surface layer, the bottom layer, the middle layer and the surface layer are sequentially stacked on the surface of a drill rod connector base body which is subjected to plasma electrolytic polishing-micro-arc oxidation composite pretreatment and silanization bridging. According to the invention, the whole process optimization of anchor pattern pretreatment-coating coating-curing molding of the drill rod thread is realized, through unique composition design and a spraying process, the comprehensive properties of lubrication, wear resistance and rust prevention of the coating are improved, continuous protection and performance recovery of the thread surface under dynamic load are realized, and the service life of the thread is prolonged. The service life of the drill rod is effectively prolonged, the maintenance cost is reduced, the problem that shackling cannot be conducted in the using process can be effectively solved, and heavy metal pollutants cannot be generated in the technological process.

The utility model relates to the technical field of waste liquid treatment equipment, in particular to an automatic collecting and stirring treatment tank body for waste liquid, which comprises a stirring treatment tank body, the stirring treatment tank body comprises a tank body, a waste liquid collecting module, a stirring module, an automatic control module and a discharge module; a waste liquid inlet and an exhaust port are formed in the top of the tank body; the waste liquid collecting module is connected to the waste liquid inlet and used for automatically collecting and conveying waste liquid into the tank body; the stirring module comprises a driving device, a stirring shaft and stirring blades, the stirring shaft penetrates through the top of the tank body and extends into the tank body, the stirring blades are arranged at the bottom of the stirring shaft, and the driving device is used for driving the stirring shaft to rotate. The liquid level sensor monitors the liquid level in real time; the stirring module adopts a multi-layer adjustable paddle structure, so that sufficient stirring is ensured; the bottom conical structure is matched with the discharging module, and safe discharging is achieved.

The invention discloses a cinnamyl aldehyde microcapsule packaging bag and application thereof, and belongs to the technical field of food packaging and corrosion prevention. According to the invention, the essential oil microcapsules containing cinnamyl aldehyde are packaged by non-woven fabric packaging so as to ensure the normal volatilization and antibacterial and antiseptic effects of the product; through further vacuum packaging, the cinnamyl aldehyde-containing microcapsules are packaged to create a closed and oxygen-free environment, so that the essential oil is prevented from freely volatilizing and being oxidized by air; and finally, the sealing property of the cinnamyl aldehyde-containing microcapsule and the use convenience of the product are further ensured through the self-sealing bag packaging. According to the packaging bag, safe storage of the volatile preservative containing microcapsules can be achieved, and the packaging bag has the effects of being convenient to use, achieving slow-release bacteriostasis and enhancing food preservation.

The utility model belongs to the technical field of voltage transformers, and particularly relates to an outdoor 20-kilovolt lightweight voltage transformer. The transformer comprises a rectangular iron core on which a primary coil and a secondary coil are wound; a cast aluminum junction box is arranged on the side surface of the totally-closed shell; a stainless steel waterproof joint is arranged on one side of the totally-closed shell; a steel wire type lead sealing rope is fixedly arranged outside the cast aluminum junction box for locking; the primary coil is connected with an A-phase connecting line; the A-item connecting line is connected with an M10 primary bolt; the N-phase connecting line is connected to the M8N terminal bolt, the secondary coil is connected with two secondary an connecting lines, the two secondary an connecting lines are connected to the M6 secondary terminal bolt, and the front grounding connecting line is connected to the M8 grounding bolt. The anti-theft door is light in weight, high in protection performance, easy to install, high in anti-theft performance, high in reliability and good in safety and economical efficiency.

The utility model belongs to the technical field of building engineering, specifically discloses a heavy nonferrous metal smelting engineering existing pool anticorrosive and anti -infiltration structure. The reinforced concrete bottom plate and lateral wall of structure are closed into pool, the surface of reinforced concrete bottom plate is equipped with waterproof coating, geotextile I, high density polyethylene geomembrane, geotextile II, fine stone concrete layer, epoxy glass steel isolation layer and anticorrosive surface layer in proper order, the surface of reinforced concrete lateral wall is equipped with waterproof coating, geotextile I, high density polyethylene geomembrane, geotextile II, polymer cement mortar layer, epoxy glass steel isolation layer and anticorrosive surface layer in proper order, the layer of aforementioned same name of reinforced concrete bottom plate and lateral wall surface, geotextile and geomembrane correspond to head -tail link, and fine stone concrete layer and polymer cement mortar layer correspond to head -tail link. The utility model has the characteristics of simple structure, convenient construction, good anticorrosive and anti -infiltration performance and low cost.

The application discloses an anchor rod structure, a construction method of the anchor rod and an anchor rod body formed by the construction method. The anchor rod structure comprises a bus base material, a tension structure and a fixing structure. The fixing structure is located at the lower end of the bus base material and is used for anchoring the lower part of the anchor rod structure. The tension structure is located at the upper end of the bus base material and is used for tensioning and locking the bus base material. The outside of the bus base material is provided with an isolation structure. The inside of the isolation structure and the outside of the bus base material form a first annular structure. The anchor rod structure further comprises a side grouting pipe. The side grouting pipe extends from the top of the anchor rod structure to the bottom. The bottom of the side grouting pipe is communicated with the bottom of the first annular structure. The internal space defined by the first annular structure and the side grouting pipe is isolated from the outside of the isolation structure and the side grouting pipe, and forms a secondary grouting and back discharge channel. Therefore, the problem of water seepage of the anchor rod in the later period can be solved, and the difficulty of water stopping in the later period and the engineering cost can be solved.

The invention belongs to the technical field of coatings, and particularly relates to a coating for a galvanized plate and a preparation method thereof. According to the invention, molybdenum disulfide is modified by using graphene oxide and carbon nanotubes. Compared with an inert structure of a molybdenum disulfide nanosheet, a graphene oxide sheet layer contains a large number of oxygen-containing functional groups, and dispersion of the molybdenum disulfide nanosheet in the waterborne polyurethane coating can be effectively improved by modifying the molybdenum disulfide nanosheet through graphene oxide. The one-dimensional-structure carbon nanotubes added in the grafting reaction process of the graphene oxide and the modified molybdenum disulfide nanosheets can effectively prevent agglomeration of the nanosheet layers in the reaction process, so that uniform modification of the molybdenum disulfide nanosheets is ensured; and moreover, the carbon nanotubes have relatively high specific strength and specific modulus, and the added carbon nanotubes can form an interactive network with the graphene oxide and the molybdenum disulfide nanosheets, so that the mechanical property and the corrosion resistance of the waterborne polyurethane coating are greatly improved.

The utility model provides a fan communication slip ring which comprises a rotor, a stator and a slip ring shell, a signal transmission component is borne in the slip ring shell, the opposite ends of the rotor and the stator are mutually sleeved, the slip ring shell is sleeved at the other end of the stator, an encoder is installed at the other end of the slip ring shell, and an expansion sealing ring is arranged at the joint of the slip ring shell and the encoder. A protection assembly is arranged on the outer side of the slip ring shell and comprises a protection cover arranged on the outer surface of the slip ring shell in a sleeving mode. Compared with the prior art, the utility model has the following beneficial effects: the two sealing reinforcements are wrapped at the two end parts of the outer surface of the slip ring shell, and the sealing reinforcements also wrap the outer surfaces of the two ends of the protective cover at the same time, so that gaps are prevented from being generated between the two ends of the protective cover and the slip ring shell after the protective cover is installed; and moisture and salt mist in the working environment of the slip ring are left on the outer surface of the slip ring shell to cause corrosion of the slip ring shell, so that the use protection performance of the slip ring shell is further improved.

This utility model discloses a sulfur recovery flue gas expansion joint assembly with heat recovery effect, including an expansion joint body installed on the flue gas duct of the sulfur recovery system. The expansion joint body includes a corrosion-resistant corrugated pipe, a jacketed heat recovery mechanism, and an associated component that limits the transition displacement of the jacketed heat recovery mechanism. The jacketed heat recovery mechanism is sleeved on the outside of the corrosion-resistant corrugated pipe, and the jacketed heat recovery mechanism uses the inner and outer expansion joints to form a dehydration circulation cavity. This utility model, through the cooperation of the corrosion-resistant corrugated pipe, the jacketed heat recovery mechanism, and the associated mechanism, enables the expansion joint body to achieve integrated operation of heat recovery and corrosion protection. By using the jacketed heat recovery mechanism to form a dehydration circulation cavity with the inner and outer expansion joints, the expansion joint body can be cooled down, while increasing its corrosion resistance and service life, thereby improving the stable operation of the sulfur recovery system.

The utility model relates to the technical field of surface anti-corrosion treatment of a bonded neodymium iron boron magnet, in particular to a surface anti-corrosion treatment device of the bonded neodymium iron boron magnet, which comprises an operating table, a placing table is fixedly connected to the top of the operating table, and a turnover mechanism is movably mounted on one side, close to the placing table, of the top of the operating table; according to the utility model, the bonded neodymium-iron-boron magnet is placed on the inclined plate on one side of the overturning table, the magnetic block on one side of the bottom of the overturning table attracts the bonded neodymium-iron-boron magnet to be stably placed on the slope, and the rotary spraying machine is driven by the linear motor on the bracket to transversely slide in a reciprocating manner; meanwhile, the rotary spraying machine rotates and comprehensively sprays the upper surface of the bonded neodymium-iron-boron magnet, then one face of the bonded neodymium-iron-boron magnet is turned over through the turnover mechanism, and the lower surface of the bonded neodymium-iron-boron magnet is comprehensively sprayed through the rotary spraying machine again; and therefore, the problem of poor corrosion resistance caused by incomplete spraying of the bonded neodymium iron boron magnet is solved.

The application discloses a high-flash-point alkyd protective paint and a preparation method thereof. The paint is a single-component product and specifically comprises high-flash-point alkyd resin, mixed alkane / aromatic hydrocarbon solvent oil, pigment, filler, bentonite, dispersant, drier, anti-skinning agent and the like. The paint has the advantages of high flash point (67-70 DEG C), fast drying, anti-yellowing, impact resistance, salt water resistance, excellent adhesion, high solid content, low VOC content and the like, and can be stored and transported as common goods.

A filtering and descaling device for boiler make-up water relates to the technical field of water treatment and comprises an upper shell and a lower shell, the upper shell is fixedly arranged on the upper portion of the lower shell, the interiors of the upper shell and the lower shell are communicated with each other, a water outlet is formed in the top of the upper shell, and a booster pump is arranged on the water outlet. An impeller seat, an impeller and a catalyst alloy descaling net are sequentially arranged in the upper shell from bottom to top, a water inlet is formed in the bottom of the lower shell, and a filter material for filtering impurities in water is arranged in the lower shell. According to the filtering and descaling device for the boiler make-up water, firstly, impurities such as iron in water are removed through the filtering material in the lower shell, and then scale is prevented from being generated through the catalyst alloy descaling net in the upper shell, so that the inner wall of a metal pipeline is prevented from being corroded.

This invention relates to the field of electronic component packaging materials technology, and discloses an anisotropic conductive film with low elastic modulus after curing and its preparation method. The conductive film comprises the following components by weight: 35-80 parts of compounded epoxy resin; 50-90 parts of compounded acrylate monomers; 1-10 parts of conductive particles; 10-20 parts of fumed silica; 1-10 parts of phosphate methacrylate; 1-8 parts of silane coupling agent; 1-10 parts of surface leveling agent; and 3-15 parts of initiator. The compounded epoxy resin is a blend of hydrogenated bisphenol A type epoxy resin and bisphenol F type epoxy resin; the compounded acrylate monomers are a blend of hydroxyethyl methacrylate, trimethylolpropane triacrylate, and ethylene glycol diacrylate. The conductive film of this invention has a low elastic modulus after curing, which can directly reduce the internal stress generated during cooling and shrinkage, resulting in better reliability of the ACF and stable performance in environmental testing.

The application discloses a kind of self-cleaning anticorrosive paint and preparation method thereof, belong to coating technical field.The application can significantly improve the anticorrosive effect of primer by adding modified zinc powder and capsule type functional additives in primer, and epoxy modified polyurethane resin and partial chloroethylene-acrylic acid copolymer are compounded as the film-forming resin of primer, and the adhesion promoter is added, which effectively improves the adhesion of primer and metal substrate.In addition, the topcoat of the application uses fluorocarbon resin as the film-forming base material, combines hydrophobic modified nanosilica with surface modifier, can build stable super-hydrophobic structure on the surface of coating, realize efficient self-cleaning;At the same time, the synergistic effect of zirconium phosphate and lanthanum oxide added in the topcoat can not only enhance the wear resistance and weather resistance of the coating, but also inhibit the aging failure of hydrophobic components, ensure the long-term stability of self-cleaning performance, reduce the cost of manual cleaning, as a whole, the formed coating system has excellent adhesion, self-cleaning and anticorrosion effect.

The application relates to a fuel cell end plate outlet connecting structure, which comprises an end plate and a joint pipe, the end plate is provided with an outlet hole for connecting the joint pipe, and the outlet connecting structure further comprises a ring-shaped convex edge and a ring-shaped clamping piece; the ring-shaped convex edge is arranged at one end edge of the outlet hole; one end of the joint pipe is nested and clamped outside the ring-shaped convex edge; and the ring-shaped clamping piece is sleeved outside the joint pipe, so that one end of the joint pipe is clamped between the outer wall of the ring-shaped convex edge and the inner wall of the ring-shaped clamping piece. Compared with the prior art, the application has the advantages of simple installation mode, firm and stable connecting structure and the like.

The present invention relates to a graphene material. Disclosed are a graphene powder and its preparation method and application. The graphene powder is a stack of graphene sheets. The graphene powder involves in its Raman spectrum a D peak and a G peak with peak heights of ID and IG respectively, where ID / IG is 0.10 or less. The graphene powder in accordance with the present disclosure can be applied in conductive composite materials, anti-corrosion coatings, heat dissipation composite materials. In particular, when used in lithium-ion batteries, it can significantly reduce electrode internal resistance and improve battery stability at any current rates.

This application relates to the field of coating technology, specifically disclosing a heat-insulating, flame-retardant, and anti-corrosion coating and its preparation method. A heat-insulating, flame-retardant, and anti-corrosion coating comprises the following raw materials in parts by weight: 50-80 parts of silicone-acrylic emulsion, 10-15 parts of epoxy resin, 30-40 parts of heat-insulating microcapsules, 15-21 parts of hollow glass microspheres, 3-5 parts of dispersant, 0.5-2 parts of polypropylene glycol diglycidyl ether, 1-5 parts of leveling agent, and 15-20 parts of water. The heat-insulating microcapsules comprise an aluminum powder core and a heat-insulating and flame-retardant capsule wall layer, the capsule wall layer material comprising acrylic resin and polyamide resin. The preparation method is as follows: hollow glass microspheres and heat-insulating microcapsules are added to silicone-acrylic emulsion and water and dispersed evenly to obtain a mixture; the dispersant, polypropylene glycol diglycidyl ether, epoxy resin, and leveling agent are added to the above mixture and mixed evenly to obtain the interior wall insulation coating. The composition of this application achieves a comprehensive improvement in heat insulation, flame retardancy, and anti-corrosion performance.

This application provides a water-based anti-corrosion and wear-resistant coating and its preparation method. The preparation method includes uniformly mixing modified MXene nanosheets with a water-based epoxy resin emulsion to obtain a premixed emulsion; under stirring conditions, adding polytetrafluoroethylene powder, titanium dioxide, alumina, a substrate wetting agent, a dispersant, a defoamer, a surface adhesion promoter, deionized water, and a curing agent sequentially to the premixed emulsion, and mixing uniformly to obtain the water-based anti-corrosion and wear-resistant coating. The water-based anti-corrosion and wear-resistant coating of this application, by adding polytetrafluoroethylene and modified MXene nanosheets, improves both the anti-corrosion performance and wear resistance of the water-based coating, overcoming the slight deficiency in anti-corrosion and wear resistance of existing water-based coatings.

The utility model provides a bimorph for a wireless jacquard comb, which is characterized in that the bimorph comprises a substrate, ceramic chips and an electrode layer, gold-plated copper films are arranged at the end parts of the two surfaces of the substrate, the ceramic chips are adhered to the two surfaces of the substrate, the bottom surfaces of the ceramic chips are electrically connected with the gold-plated copper films, the electrode layer is arranged on the surfaces of the ceramic chips, and the electrode layer is arranged on the surface of the substrate. And the insulating paint is coated on the electrode layer, and the end part of the substrate, which is provided with the gold-plated copper film, is in a wedge-shaped design. The anti-corrosion capability is improved by arranging the gold-plated copper film, and meanwhile, the wedge-shaped design of the end part is convenient to insert and assemble.

This invention discloses an organosilicon-modified acrylic resin coating, its preparation method, and its application, belonging to the field of surface protection technology. The organosilicon-modified acrylic resin coating of this invention comprises the following raw materials in parts by weight: 92-99 parts of organosilicon-modified acrylic resin and 1-8 parts of modified SiO2@FGO nano-hybrids. This invention achieves surface modification of graphene oxide using a silane coupling agent, and further obtains the coating through in-situ hydrolysis deposition and modification of SiO2 nanoparticles. The organosilicon-modified acrylic resin coating with composite nanofiller exhibits excellent resistance to chloride ion corrosion, carbonization, alkali resistance, weather resistance, and adhesion, and can be used for surface protection of marine reinforced concrete engineering projects.

The utility model discloses an improved anti-corrosion galvanized steel strand, and relates to the technical field of steel strands. The steel strand comprises a main body assembly, the main body assembly comprises a steel strand body, polypropylene sheaths are attached to the upper portion and the lower portion of the outer side of the steel strand body respectively, semi-lantern rings are arranged on the polypropylene sheaths in a sleeved mode respectively, the front-back adjacent semi-lantern rings are fixedly connected with each other, and connecting strips are connected between the left-right adjacent semi-lantern rings in a clamped mode. Connecting assemblies are arranged on the two sides of the steel strand body. According to the utility model, the polypropylene sheath can be conveniently fixed on the outer side wall of the steel strand body through the semi-lantern rings, and the connecting part of the polypropylene sheath is sealed through the connecting strip, so that the problem that the anti-corrosion structure of the steel strand body is inconvenient to replace in the prior art is solved; the first mounting cylinder and the second mounting cylinder are in threaded connection through the connecting sleeve, connection between the connecting sleeve and the first mounting cylinder and connection between the connecting sleeve and the second mounting cylinder are reinforced through the movable plates, and the problem that connection between existing steel strand bodies is not stable is solved.

This utility model discloses a steel structure surface anti-corrosion spraying device, relating to the field of steel structure spraying technology. It includes a base plate and an adjusting support mechanism. The adjusting support mechanism is fixedly connected to the top of the base plate, and an inner support mechanism is fixedly connected to the top of the adjusting support mechanism. A collection groove is formed on the inner surface of the base plate, and a reciprocating mechanism is fixedly connected to one side of the base plate. A blocking block is installed inside the opening on one side of the collection groove. Compared with existing ordinary anti-corrosion spraying devices, this steel structure surface anti-corrosion spraying device can spray steel structures of different lengths, solving the problem of difficulty in clamping and fixing steel structures of different lengths. This increases the applicability and ease of operation of the device. It fixes the steel structure from the inside, without any material obstructing the exterior of the steel structure. It can spray the entire exterior of the steel structure, avoiding areas where the anti-corrosion coating is not adhered, which could affect the subsequent use of the steel structure and cause adverse effects on the building.

The invention relates to the technical field of blade repairing treatment, discloses a cold spraying repairing method for an aluminum alloy blade and aims to solve the problems that a base body is prone to being damaged and the performance of a repairing layer is poor in an existing repairing method. The method comprises the steps of mechanical polishing, cold spraying, mechanical coping and follow-up protection, specifically, surface inspection, pretreatment, spraying operation and multi-dimensional inspection are sequentially conducted on cold spraying, 501.1-mark pure aluminum-Al2O3 mixed powder is adopted, after positioning and precise parameter spraying are conducted through a special tool, coping is conducted till the molded surface requirement is met, and then micro-arc oxidation and paint spraying protection are conducted. The method is low in cold spraying temperature, free of damage to a base body, excellent in repairing layer performance, high in precision, high in corrosion resistance and abrasion resistance and stable and reliable in process, the operation and maintenance cost can be remarkably reduced, and the service life of the paddle is prolonged.

The invention discloses a full-crosslinking layered fluorine-containing epoxy super-hydrophobic coating and a preparation method thereof, and belongs to the technical field of super-hydrophobic coatings. The coating comprises the following raw material components: epoxy resin, fluorine-containing epoxy acrylic resin, KH560 modified nano silicon dioxide, a curing agent, an accelerant and the like. The preparation method of the coating comprises the following steps: carrying out surface grafting modification on the nano silicon dioxide particles by using a KH560 siloxane coupling agent; the preparation method comprises the following steps: synthesizing fluorine-containing epoxy acrylate low-surface-energy resin by using tridecafluorooctyl methacrylate, glycidyl methacrylate and isobornyl methacrylate; the coating is prepared by adopting a step-by-step spraying method, the primer is epoxy resin, the surface wear-resistant super-hydrophobic layer is fluorine-containing epoxy acrylate low-surface-energy resin blended modified nano silicon dioxide particle filler, and the three components are integrally crosslinked through epoxy groups. According to the method, the adhesive force and durability of the coating can be improved, and the coating has good super-hydrophobic performance and is suitable for various working conditions.

The utility model relates to the technical field of building keel and discloses a steel baking varnish keel main keel and auxiliary keel connecting structure, and the connecting structure fixed assembly includes the fixed bolster, the fixed bolster is fixedly connected in the lateral wall of main part board, the bottom fixed mounting of fixed bolster has the connecting seat, the bottom fixed connection of connecting seat has the fixed plate, and the surface of fixed plate is penetrated by adjusting bolt, and the top fixed connection of adjusting bolt has the fixed clamp. The utility model discloses discarding the welding connection mode, and utilizing connecting structure fixed assembly and keel connection fixed assembly cooperation. Through screwing adjusting bolt, the connecting position of connecting structure and ceiling or frame can be flexibly adjusted, and the relative position of main auxiliary keel can be easily changed by rotating the adjusting handle, the accurate adjustment of installation position is realized, the needs of different construction scenes are satisfied, the defect that the installation position is fixed is overcome, and the flexibility and accuracy of construction are improved.