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56results about How to "Anti-icing" patented technology

Anti-icing control system of wind turbine blade and manufacturing method of wind turbine blade with anti-icing performance

The invention discloses an anti-icing control system of a wind turbine blade and a manufacturing method of the wind turbine blade with the anti-icing performance. The anti-icing control system mainly comprises a monitoring unit, a control unit and a heating unit. The anti-icing control system of the wind turbine blade is reasonable in structural design, convenient to install and high in automation degree and intelligentization degree, can effectively heat the wind turbine blade, can avoid the situation that negative effects are generated on resin and protective coatings of the blade due to the fact that the temperature of the surface of the blade is too high, and can effectively prevent the blade from icing. The manufacturing method is reasonable in technological design, high in maneuverability and stable in technology. A suction surface shell of the wind turbine blade and a pressure surface shell of the wind turbine blade are formed by wrapping middle cores by inner skin and outer skin. Electric heating materials are located on the surface of the blade or between glass fiber cloth of the outer skin of the blade or the inner side of the glass fiber cloth of the outer skin of the blade, the electric heating materials and a surface temperature sensor are integrally formed, and the wind turbine blade with an electric heating system and with the anti-icing performance can be obtained through manufacturing.
Owner:中复连众(玉溪)复合材料有限责任公司

Nanometer coating used for preventing icing of high tension transmission line and application thereof

The invention relates to a nanometer coating used for preventing icing of a high tension transmission line and application thereof. The nanometer coating is prepared through the following steps: weighing, by weight, 10 to 15% of a high-molecular resin, 20 to 25% of titanium dioxide, 30 to 35% of silica, 3 to 5% of diamond-like carbon and 19 to 32% of a solvent; then compounding and uniformly mixing the high-molecular resin, titanium dioxide, silica and diamond-like carbon and carrying out grinding to obtain a particle with a particle size of 1 to 100 nm; and finally, adding the raw materials uniformly mixed and ground into the solvent and carrying out full stirring so as to obtain the nanometer coating used for preventing icing of the high tension transmission line. The coating provided by the invention allows the high tension transmission line to have the advantages of fouling resistance, icing resistance, high wear resistance and the like, provides a long-acting, high-efficiency, convenient, economic and feasible approach for active resistance to ice and snow disasters, realizes delaying and prevention of icing of super-cooled droplets on the high tension transmission line and enables no icing or little icing to be generated on the high tension transmission line in snowy weather.
Owner:STATE GRID CORP OF CHINA +2

Extra-high-voltage dry hollow smoothing reactor

The invention provides an extra-high-voltage dry hollow smoothing reactor, comprising a reactor coil, an insulating bracket, a rain-proof noise-reducing device, an arrester and an electric field shielding piece, wherein the insulating bracket is supported at the bottom of the reactor coil; the rain-proof noise-reducing device is wrapped outside the reactor coil; the arrester is connected with the reactor coil in parallel; the insulating bracket comprises a plurality of supporting insulators and at least one horizontally arranged insulator tie bar platform; each supporting insulator comprises a plurality of insulators which are connected in series through end part flanges; and the insulator tie bar platform is connected with the end part flanges of the insulators at the same level of each supporting insulator, so that the insulators at the same level have the same electric potential. The coil of the extra-high-voltage dry hollow smoothing reactor can meet the requirements of a +/- 800 kv or +/- 1,100 kv direct current power transmission project on voltage, current and impact level and can meet the requirements of an extra-high-voltage direct current power transmission project on ground insulating level and seismic intensity.
Owner:BEIJING POWER EQUIP GRP +1

Suspension type single-row fish blocking electric fence

The invention relates to a suspension type single-row fish blocking electric fence. At least two main rope towers are vertically arranged in a riverside or a riverway. The main rope towers are fixed to the ground through main rope tower foundations. A main rope is suspended on the main rope towers. The ends of the main rope are fixedly connected with main rope ground anchor foundations on the ground. The portion, between the two main rope towers, of the main rope is tensioned and then bends and droops naturally. The portions of the main rope are connected with a cross beam through suspension ropes. The cross beam is kept horizontal. The cross beam is connected with a plurality of suspension assemblies. A steel chain or a steel wire rope is arranged on each suspension assembly. An electrode tube is installed on each steel chain or each steel wire rope. The lower end of each suspension assembly is connected with a positioning pier at the bottom of a riverbed. The cross beam is fixedly connected with ground anchors with cables through cross beam ropes. The main rope, the suspension ropes, the cross beam and the suspension assemblies between the adjacent main rope towers are basically in the same plane. The fish blocking electric fence is convenient to adjust, low in construction cost, short in construction period, capable of meeting the requirements for various water depths and irregular terrains, high in bearing capacity and high in water flow impact resistance, ice blockage resistance and shock resistance.
Owner:FISHERY MACHINERY & INSTR RES INST CHINESE ACADEMY OF FISHERY SCI

Corrosion-proof ice-covering-proof coating

InactiveCN103788831AMeet the operating conditionsMeet the working conditions, acid and alkali resistanceAnti-corrosive paintsPolyurea/polyurethane coatingsPolyesterPolymer science
The invention relates to the field of corrosion-proof ice-covering-proof coatings, and particularly relates to a corrosion-proof ice-covering-proof coating. The corrosion-proof ice-covering-proof coating comprises the following components in percentage by weight: 15%-30% of epoxy resin, 10%-15% of fluoroolefin resin, 15%-40% of nanometer silicon oxide, 10%-20% of solidifying agents, 1%-5% of toughening resin, 5%-10% of titanium dioxide blending agents, 15%-30% of fluorinated acrylate modified polyurethane resin and 5%-15% of organic solvents, wherein each titanium dioxide blending agent comprises polyurethane, biuret, polyester J4, butyl alcohol, ethanol ethyl ester, petroleum type dimethyl benzene, titanium dioxide, fine particle calcium carbonate, talcum powder, sodium pentachlorophenate and tri-butyl alcohol, and the weight ratio of polyurethane to biuret to polyester J4 to butyl alcohol to ethanol ethyl ester to petroleum type dimethyl benzene to titanium dioxide to fine particle calcium carbonate to talcum powder to sodium pentachlorophenate to tri-butyl alcohol is (1.5-2.5):(1-2):(1.5-2):(1.5-2):(1-1.5):(2-2.5):(1.5-2):(1-2):(1-1.5):(0.1-0.3):(0.3-0.5). The corrosion-proof ice-covering-proof coating disclosed by the invention has good adhesive force, can meet the requirements for use conditions of an oil drill rod in a using process in a cold place, and has the advantages of acid resistance, alkali resistance, corrosion proofing and ice-covering proofing.
Owner:南通新昱化工有限公司

Preparation method of rare earth/silane doped composite superhydrophobic functional coating

The invention discloses a preparation method of a rare earth / silane doped composite superhydrophobic functional coating. The preparation method includes immersing a clean galvanized matrix in a mixedtreatment solution containing inorganic rare earth salt, silver nitrate, silane coupling agents and long-chain fatty acid for 1-30 minutes, forming a bronze composite coating film on the surface of the galvanized matrix, slowly taking out the galvanized matrix and curing the same into a film at the temperature of 80-150 DEG C for 5-30 minutes. The composite coating film prepared by a simple one-step dip coating technique has the properties of super hydrophobicity, self-cleaning, anti-icing and the like, integrates the protective properties of rare earth conversion films / silane films / superhydrophobic films, and has excellent corrosion prevention capability for galvanized steel, thereby being expected to solve the problems that current chromium-containing passivation harms personal safety and pollutes the environment, other non-chromium passivation has poor protection performance and the like; the preparation method has a simple process and a low cost, and is green, environmentally friendly, and easy to industrialize.
Owner:TIANJIN GONGDA GALVANIZING EQUIP CO LTD

Method for preparing aluminum-based super-hydrophobic surface through one-step method

The invention provides a method for preparing aluminum-based super-hydrophobic surface through a one-step method and belongs to the technical field of metal surface treatment. The method comprises thefollowing steps: preparing a sodium chloride water solution and a perfluorotetradecanoic acid ethanol solution; after mixing the two solutions, pouring the mixed solution into a hydrothermal reactionkettle; then vertically putting a pure aluminum sheet which is subjected to sand paper grinding and ultrasonic washing into the hydrothermal reaction kettle; after sealing, putting the hydrothermal reaction kettle into a constant-temperature box; after reacting for a period of time, taking out the aluminum sheet; and washing and drying to obtain the aluminum-based super-hydrophobic surface with amicro-nano structure. The method provided by the invention has the advantages of simple preparation and easiness for operation; the requirements on equipment are low, expensive equipment is not needed and experiment conditions are not harsh; large-area and low-cost preparation of the aluminum-based super-hydrophobic surface can be realized; the contact angle with water reaches 160 degrees and therolling angle is about 3 degrees; and the prepared aluminum-based super-hydrophobic surface has the characteristics of self cleaning, icing prevention, resistance reduction and the like.
Owner:HARBIN INST OF TECH

Super-hydrophobic and high-stability nano ceramic coating and application method thereof

The invention belongs to the technical field of super-hydrophobic materials, and relates to a super-hydrophobic and high-stability nano ceramic coating and an application method thereof. According to the invention, the boehmite material used as a lithium battery diaphragm material is used as a component of the super-hydrophobic coating, and a micro-nano structure of the super-hydrophobic material is formed on the surface when the boehmite material is prepared into a coating by utilizing a unique crystal structure of the boehmite material; and boehmite has the characteristics of uniform and stable dispersion, large specific surface area and low cost, so that during later material application, a component A and a component B are simply dispersed and uniformly mixed in proportion, then the mixture is coated on the surface of a target object, and the super-hydrophobic and high-stability nano ceramic coating with high stability can be formed after curing. The super-hydrophobic coating provided by the invention is low in price, simple in application method and short in process period, can be applied to various substrates, is easy to popularize and use in a large scale, can be applied to scenes such as oceans, coastal areas and ships, and can well realize anti-icing, self-cleaning and corrosion resistance.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Wind turbine blade with anti-icing and de-icing device

The invention relates to the field of wind power technology, in particular to an anti-icing and de-icing device for a wind turbine blade. By means of the bionic principle, water drop adhesive force is reduced by means of a microporous hydrophobic membrane, water drops on the surface of the membrane are blown off by airflow, surface dryness of the blade is kept, and surface icing of the blade is prevented; ice accretion on the surface of the blade is broken and eliminated through expansion of the membrane after inflation. The device specifically comprises an air heater (blower), an air pipe, an inner membrane, an outer membrane, a membrane clamp base and the like, wherein the air heater (blower) is installed on an I beam of the blade and driven by a wind turbine generator, (hot) air is fed into the air pipe through the air heater (blower) and enters a gap between the inner membrane and the outer membrane through a quick plug connector, and the outer membrane is a breathable microporous hydrophobic membrane; the inner membrane and the outer membrane are sealed all round and fixed quickly by the membrane clamp base. The device has anti-icing and de-icing functions and is low in energy consumption. The device has important significance for safe, economical and efficient operation of wind turbine generators in cold and moist areas in winter.
Owner:ZHONGBEI UNIV +1

Decoration and heat preservation integrated outer wall hanging plate

InactiveCN111169115AAddress the risk of easy sheddingSolve the problem of easy stratification of insulationCovering/liningsCoatingsCelluloseMeth-
The invention belongs to the technical field of building outer wall hanging plates, and particularly relates to a decoration and heat preservation integrated outer wall hanging plate. The outer wall hanging plate comprises a decoration surface layer, a structural layer, a heat preservation layer and a galvanized steel frame with an embedded part which are arranged in sequence, wherein the embeddedpart penetrates through the heat preservation layer and extends into the structural layer; the outer surface of the decoration surface layer is coated with a protective layer; the protective layer comprises raw materials in weight part: 80 to 90 parts of pure acrylic emulsion, 18 to 21 parts of polyurethane associative thickener, 5 to 8 parts of vinyltriethoxysilane, 12 to 15 parts of hydroxyethyl cellulose, 25 to 30 parts of vinyl alkoxy phosphate, 15 to 20 parts of 2-acrylamide-2-methylpropanesulfonic acid, 8 to 10 parts of n-dodecyl mercaptan and 70 to 100 parts of water. The problem thata traditional heat preservation integrated plate is prone to layering in the heat preservation process is solved, and the waterproof, anti-icing, heat preservation, fireproof, high-strength, self-repairing, abrasion-resistant, rain wash-resistant performance and the like are achieved.
Owner:曲阳县凯鑫园林雕塑有限公司

High mechanical durable super-hydrophobic/oil coating with bionic structure and preparation method of high mechanical durable super-hydrophobic/oil coating

ActiveCN110434040AOvercoming the biggest sticking point that is difficult to apply widelyAvoid mechanical damageSpecial surfacesCoatingsFine structureMetal coating
The invention discloses a high mechanical durable super-hydrophobic/oil coating with a bionic structure and a preparation method of the high mechanical durable super-hydrophobic/oil coating. The highmechanical durable super-hydrophobic/oil coating comprises the following steps of step one, spraying metal powder with a micro or nano fine structure on the surface of a cleaned member by adopting a cold spraying method, and obtaining a metal coating with a coral reef-like flexible bionic structure on the surface of the member; step two, spraying a solution containing low surface energy chemical substances on the surface of the metal coating which is treated in the step one and has the coral reef-like flexible bionic structure by adopting a conventional spraying method; and after a solvent evaporates, forming the high mechanical durable super-hydrophobic/oil coating with the bionic structure on the surface of the metal coating with the coral reef-like flexible bionic structure. By use of the method, mechanical durability of the super-hydrophobic/oil coating can be effectively improved, so that the contact angle of the prepared high mechanical durable super-hydrophobic/oil coating withthe bionic structure still can be kept to be greater than 150 degrees under the action of an external mechanical force, and a rolling angle is kept to be smaller than 3 degrees.
Owner:XI AN JIAOTONG UNIV

Photothermal and electrothermal hybrid DC anti-icing composite insulator

The invention relates to a photothermal and electrothermal hybrid DC anti-icing composite insulator which comprises a hardware end, a voltage equalizing device, a core rod, a sheath and an umbrella skirt. The umbrella skirt comprises combination of two or more of a silicone rubber layer, a photothermal layer and a semiconductor layer. The umbrella skirt is composed of the silicone rubber layer, the photothermal layer and the semiconductor layer. The photothermal layer is arranged on the upper surface, the silicone rubber layer is arranged in the middle and the semiconductor layer is arranged on the lower surface; or the umbrella skirt is composed of the photothermal layer and the silicone rubber layer, and the photothermal layer is arranged on the upper surface and the silicone rubber layer is arranged on the lower layer. The photothermal layer is prepared by mixing inorganic metal oxide with silicone rubber or RTV coating. The semiconductor layer is prepared by mixing conductive graphite micropowder with silicone rubber or RTV coating. The unique hydrophobic mobility of the silicone rubber layer can be migrated to the surface of the photothermal layer so that the insulator has excellent anti-pollution flashover capability, reduces the field strength at the high voltage end of the insulator and delays the aging of the insulator. In the ice and snow weather in winter, the photothermal layer and the semiconductor layer can effectively melt ice and prevent ice flash accidents through the breaking effect during icing.
Owner:STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST +2

A kind of anti-icing functional structure and its preparation method and application

The invention provides an anti-icing functional structure and its preparation method and application, which belong to the technical field of mechanical surface engineering. The preparation method of the anti-icing functional structure provided by the present invention comprises the following steps: preparing a wedge-shaped microstructure on the surface of the substrate, forming a wedge-shaped microstructure layer on the surface of the substrate; preparing a nanoscale lattice on the surface of the wedge-shaped microstructure layer, A nanoscale lattice layer is formed on the surface of the wedge-shaped microstructure layer; the substrate with the nanoscale lattice structure layer on the surface is subjected to low surface energy treatment, and an anti-icing functional structure is formed on the surface of the substrate. The anti-icing functional structure provided by the present invention is provided with nano-scale lattices and micron-scale wedge-shaped grooves, which can realize the effective anti-adhesion of liquid on the solid surface under the action of directional force, and at the same time make the tiny liquid droplets on the solid surface be continuously Collected, and under the action of the droplet's own pressure difference and directional force, it is directional transported away from the solid surface, so as to achieve surface anti-icing.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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