17results about How to "Improve anti-icing performance" patented technology

The invention discloses a super-hydrophobic anti-icing coating for a power transmission line and a preparation method, and belongs to the technical field of preparation of anti-icing coatings. The super-hydrophobic anti-icing coating for the power transmission line is composed of a coating wrapping the surface of the power transmission line, and the coating is composed of the following components in parts by weight: 34-45 parts of composite resin, 8-14 parts of a composite ice melting agent, 10-18 parts of deionized water, 1-3 parts of hexadecyl trimethoxy silane and 50-58 parts of tetrahydrofuran, the composite resin is prepared from carboxyl multi-walled carbon nanotubes, isopropanol, tetraethoxysilane, a silane coupling agent KH-550, perfluorodecyl trimethoxysilane, butyl acrylate, methyl methacrylate and dodecafluoroheptyl methacrylate, and the composite ice melting agent is prepared from pyridine-2, 6-dicarboxylic acid, thionyl chloride and nicotinic acid hydrazide. The coating prepared by the method has excellent hydrophobicity, wear resistance and anti-icing effect.

The invention relates to the field of road engineering materials, and particularly discloses an environment-friendly rubber asphalt material prepared by synergism of multiple solid wastes and a preparation process of the environment-friendly rubber asphalt material. The environment-friendly rubber asphalt material is prepared from the following raw materials in parts by weight: 100 to 140 parts of elastomer modified asphalt, 15 to 25 parts of waste rubber powder, 0.5 to 1 part of SBR (Styrene Butadiene Rubber), 1 to 3 parts of a stabilizer, 1.5 to 3 parts of an anti-stripping agent, 30 to 50 parts of multi-solid waste ceramsite, 10 to 14 parts of aromatic oil and 5 to 15 parts of a tackifier. The waste rubber powder is prepared by mixing and crushing waste tires and ethylene propylene diene monomer, the multiple solid waste ceramsite is prepared by granulating, drying, preheating and sintering a wet material formed by adding water into solid waste raw materials, and the solid waste raw materials comprise copper tailings, household garbage incineration fly ash, dolomitic tailings and wood chips. The rubber asphalt material disclosed by the invention has the advantages of high water permeability, high mechanical strength and freezing and thawing resistance due to the ceramsite prepared from various solid waste materials.

The invention discloses an active and passive synergistic anti-icing composite coating structure as well as a preparation method and application thereof. The composite coating structure comprises an adhesive layer, a carbon nano tube electric heating layer and an anti-icing layer, the anti-icing layer is formed through a cross-linking curing reaction; wherein the first polyisocyanate retains at least two isocyanate groups, the second polyisocyanate has at least three isocyanate groups, the polyaspartic acid ester resin has a plurality of first aminated end groups, the organic silicon resin has a second aminated end group, and a polyurea cross-linked structure is formed through reaction. According to the invention, an anti-icing layer formed by cross-linking polymerization of four units is combined with a carbon nanotube electric heating layer, a carbon nanotube film with certain thickness and pipe diameter distribution enables a polyurea coating covering the surface of the film to form a certain micro-nano coarse structure, and a fluorosilicone component with low surface energy in polymer resin is combined; the surface of the polyurea coating has excellent water repellency and easy deicing performance, and an efficient anti-icing and deicing system is cooperatively formed.

The present application relates to the technical field of composite functional materials, in particular to a spinel-type composite photothermal super-hydrophobic coating, a preparation method thereof and application thereof in ice prevention and removal, wherein the preparation method of the spinel-type composite photothermal super-hydrophobic coating first prepares spinel-type CuFeMnO4 material with micro-nano structure through co-precipitation and high-temperature heat treatment of copper salt, iron salt and manganese salt, and then performs surface hydrophobic modification on the spinel-type CuFeMnO4 material by using palm wax. By combining the excellent photothermal conversion performance of the spinel-type CuFeMnO4 material with the low surface energy characteristics of palm wax, the synergistic effect of high-efficiency photothermal conversion and super-hydrophobic performance is realized, so that the coating layer formed by the prepared spinel-type composite photothermal super-hydrophobic coating has excellent super-hydrophobicity, durability and environmental adaptability and can achieve good ice prevention and removal effect. In addition, the preparation method has the advantages of simple process, low cost and environmental friendliness.

The utility model discloses a self-cleaning device for a photovoltaic power generation panel, which relates to the technical field of photovoltaic power generation panel cleaning devices and comprises a base, the top of the base is connected with a supporting column, the top of the supporting column is connected with an obliquely arranged placing plate, and the photovoltaic panel is placed in the placing plate. An anti-freezing solution can be stored in the solution storage tank, when the temperature sensor detects that the surface temperature of the photovoltaic panel is low, the heating plate, the pressure pump and the motor can be controlled to be started, the anti-freezing solution is heated through the heating plate and then evenly sprayed to the upper surface of the photovoltaic panel, and then the heated anti-freezing solution is evenly coated on the surface of the photovoltaic panel in a scraping mode through the silica gel scraping plate. The heated anti-freezing solution can melt an ice layer existing on the surface of the photovoltaic panel, and after the surface of the photovoltaic panel is coated with the anti-freezing solution, a good anti-freezing effect is achieved on the surface of the photovoltaic panel in the subsequent use process.

The invention relates to the technical field of coatings, in particular to an anti-icing and anti-skid composite coating and a preparation method thereof. The composite coating comprises the following raw materials in percentage by mass: 25%-35% of silicate ester, 5%-15% of fluorine-containing silane organic matter, 15%-25% of composite nano metal particles, 0.5%-2.5% of an alkaline component, 1.0%-3.0% of an acidic component and the balance of an organic solvent, according to the composite coating, through the synergistic effect of the nano metal particles, the silicate ester, the fluorine-containing silane organic matter, the acidic component, the alkaline component and the organic solvent, a composite coating which has excellent anti-skid and anti-icing performance and is of a complex surface structure is formed.

This utility model relates to the field of anti-icing technology, specifically a plate heat exchanger structure for a laser chiller with air-blowing anti-icing function. It includes a laser chiller, an air-blowing component located outside the inlet of the chiller, and a recovery component located outside the outlet. The air-blowing component includes a fixed plate, with gears connected to the outer wall of the fixed plate. After use, the gas blows out any remaining purified water from the chiller. The blown-out purified water is blocked by a baffle and falls into a water storage tank, preventing the risk of freezing and explosion from the source, thus improving the chiller's safety and avoiding water waste. It also ensures no water residue remains inside the chiller, further enhancing the anti-icing effect. The design of the first and second hydraulic cylinders eliminates the need for manual operation, ensuring that the blowing action is completed after each shutdown, improving operational convenience and reliability.

A cleaning robot with an anti-icing function relates to the technical field of cleaning robots and comprises a robot body, a cleaning device and an anti-icing device. The cleaning device comprises a mounting frame correspondingly connected with one end of the robot body in a fastened mode, and the bottom of the mounting frame is rotationally connected with a cleaning rolling brush driven by a motor. The anti-icing device comprises an electric heating device arranged in the water tank and an air heater installed on the robot body. The two sides, corresponding to the cleaning rolling brush, of the installation frame are each provided with an air blowing cover blowing air towards the cleaning rolling brush and the sweeping working face. When the environment temperature is low, the electric heating device and the air heater can be started, water sprayed out of the spray head is hot water, and the cleaning rolling brush and the cleaning working face are prevented from being frozen; under the guiding action of the air blowing cover, hot air can be blown to the cleaning rolling brush and the cleaned working face, the cleaning rolling brush can be further prevented from being frozen, and meanwhile the working face can be rapidly dried.

The invention provides an air cycle machine which comprises a turbine, the turbine comprises a turbine cover, a spiral pipeline surrounds the outer wall face of the turbine cover, an inner hole of the spiral pipeline is used for being filled with fluid for heating the turbine cover, and therefore the technical problem that in the prior art, a turbine cover of a turbine is heated unevenly can be solved.

This invention relates to a firefighter's protective suit that combines anti-icing and warmth retention properties. It consists of a jacket and trousers. The jacket collar material, from the outside in, comprises an outer layer I, a waterproof and breathable layer I, a heat insulation layer I, an outer woven fabric layer I, and a warmth-retaining fabric layer I. The jacket hem material, from the outside in, comprises an outer layer II, a waterproof and breathable layer II, a heat insulation layer II, a comfort layer woven fabric III, and a warmth-retaining fabric layer II. The other parts of the jacket material, from the outside in, comprise an outer layer III, a waterproof and breathable layer III, a heat insulation layer III, and a comfort layer woven fabric V. The jacket cuffs are thickened ribbed cuffs. The trousers material, from the outside in, comprises an outer layer IV, a waterproof and breathable layer IV, a heat insulation layer IV, and a comfort layer woven fabric VII. This invention focuses on the warmth retention of the comfort layer and the anti-icing design of the outer layer of the firefighter's protective suit, achieving both warmth retention and anti-icing properties, ensuring the comfort of firefighters during movement and maintaining operational efficiency.

The invention provides an air outlet structure of an air cycle machine and the air cycle machine, the air outlet structure comprises an air outlet piece and an air entraining structure, the air outlet piece is provided with a turbine air outlet channel, more than two heat exchange wires which are sequentially arranged at intervals are arranged on the air outlet piece, and an air passing channel is formed by the interval between every two adjacent heat exchange wires. And the air entraining structure is used for introducing heat exchange air to the heat exchange wires, so that the air outlet piece can exchange heat with the heat exchange air through the heat exchange wires. According to the technical scheme, the heat exchange wires can increase the heat exchange area of the air outlet piece, so that the heat exchange efficiency of the air outlet piece and the heat exchange air is improved, and the anti-icing effect of the air outlet piece can be improved. In addition, the heat exchange structure formed by the heat exchange wires can disturb incoming flow to generate vortex, so that the heat exchange efficiency is improved.

The invention relates to the field of coating compositions, and particularly discloses an anti-icing self-cleaning coating material for a tower drum of a wind driven generator as well as a preparation method and application of the anti-icing self-cleaning coating material. The anti-icing self-cleaning coating material comprises a bottom coating material and a surface coating material, the bottom coating material contains fluorosilane, amino silane, ethyl acetate, butanone, filler, fluorocarbon resin and an isocyanate curing agent, the filler comprises alpha-Fe2O3 modified mesoporous SiO2 particles and hydroxylated boron nitride, and the surface coating material comprises fluorine modified SiO2 particles and acetone. The anti-icing self-cleaning coating material can achieve a good protection effect on the tower drum of the wind driven generator, the water contact angle of the surface of the coating is larger than 155 degrees, the water rolling angle is smaller than 5 degrees, the ice adhesion strength is smaller than 30 kPa, the water contact angle is still larger than 150 degrees after 20 times of freezing and thawing cycles, at the moment, the tower drum can better adapt to the low-temperature and high-humidity environment, the coating stripping possibility is low, and the anti-icing self-cleaning coating material can be applied to the wind driven generator tower drum. And the corrosion speed of the steel is reduced, so that the normal use time limit is longer.

The invention belongs to the technical field of rubber friction and wear testing, and particularly relates to an aviation wing leading edge rubber ice friction and wear testing device and a testing method.The aviation wing leading edge rubber ice friction and wear testing device comprises a low-temperature box, a temperature sensor and a humidity sensor are arranged on the inner wall of the low-temperature box, and a refrigerating machine and a humidifier connected with the low-temperature box are arranged outside the low-temperature box; the temperature sensor, the humidity sensor, the refrigerator and the humidifier are all electrically connected with the control unit; a loading device is arranged in the low-temperature box, a sensor is arranged at the output end of the loading device, a pressing plate for fixing a sample is arranged on the force sensor in an overlapping manner, and the clamp, the loading device and the force sensor are electrically connected with a control unit; an ice mold which can horizontally move and rotate in the low-temperature box and can fix ice blocks is arranged in the low-temperature box. According to the invention, the blank of the ice friction test of the wing leading edge rubber in the prior art is filled, and the problem of insufficient test under extremely low temperature and high humidity conditions in the prior art is solved.

The utility model discloses a crankcase ventilation system of an engine and an automobile, the crankcase ventilation system comprises the engine, the air inlet end of the engine is provided with an air inlet pipe, and an air filter, an air compressor, an intercooler, a throttle valve and an air inlet manifold are sequentially arranged along the air inlet pipe at intervals. The crankcase ventilation system further comprises a full-load breathing pipe, a mixing pipe and a high-speed gas pipe, the gas inlet end of the full-load breathing pipe is communicated with an oil-gas separator of the engine, and the gas outlet end of the full-load breathing pipe is connected with the side wall of the mixing pipe and communicated with the interior of the mixing pipe. The gas inlet end of the high-speed gas pipe communicates with a pipeline, located on the downstream of an outlet of a gas compressor, of a gas inlet pipe of the engine, and the gas outlet end of the high-speed gas pipe communicates with the gas inlet end of the mixing pipe. The air outlet end of the mixing pipe is communicated with the position, located between an air filter and an air compressor, of an air inlet pipe of the engine. According to the crankcase ventilation system, the problem that the full-load breathing pipe is frozen can be solved through a simple structure.

The invention belongs to the field of surface treatment, and particularly relates to a super-hydrophobic coating and a preparation method thereof.The preparation method of the super-hydrophobic coating comprises the steps that 1, nitrate of zinc and nitrate of aluminum are dissolved in water to obtain a solution A, NaNO3 and NaOH are dissolved in water to obtain a solution B, the solution A and the solution B are mixed, heated, stirred to be uniform and subjected to standing and aging, and the super-hydrophobic coating is obtained; the nitrate intercalated zinc-aluminum layered double metal hydroxide is obtained; (2) mixing the nitrate intercalated zinc-aluminum layered double-metal hydroxide with Na2MoO4, and preparing the zinc-aluminum layered double-metal hydroxide through an anion exchange method; (3) carrying out hydrophobic modification on the zinc-aluminum layered double-metal hydroxide to obtain modified zinc-aluminum layered double-metal hydroxide; and 4) mixing the modified zinc-aluminum layered double hydroxide with polymer resin, a diluent and a curing agent to obtain a super-hydrophobic coating material, and curing to obtain the coating. The super-hydrophobic coating provided by the invention has antifouling property, icing resistance and corrosion resistance.

The application discloses a kind of quick self-healing double-network anti-icing organic gel and its preparation method and application, using polyurea elastomer crosslinking network and norbornene group fluorine-containing alkyl ester crosslinking network blending preparation, by constructing interpenetrating network, form stable double-network structure.The double-network structure is not easy to be destroyed, not only mechanical performance is superior, also has pressure response effect, namely under stress, lubricant overflow, lubricant can re-enter gel interior in short time after stress removal, can prolong its service life.The application introduces disulfide bond in molecular chain and hydrogen bond between molecular chains, the material has high efficient self-healing efficiency at room temperature, improves the durability of material, simultaneously has excellent anti-icing performance, and has wide application prospect in the field of ice prevention.

The invention provides low-shrinkage and anti-freezing high-performance concrete and a preparation method thereof, and particularly relates to the technical field of high-performance cement-based materials. The low-shrinkage and anti-freezing high-performance concrete is prepared from the following raw materials: cement, a superfine solid waste admixture, sand, stones, a slow-release type anti-freezing high-strength aggregate, fibers, a high-efficiency additive and water. The superfine solid waste admixture is used for equivalently replacing part of cement, the solid waste-based slow-release anti-freezing high-strength aggregate is used for equivalently replacing part of sand, the concrete has the advantages of high waste residue utilization rate and low preparation cost, and meanwhile, the mechanical property, the volume stability, the freeze-thaw resistance and the anti-freezing capability of the concrete are remarkably improved.