15results about How to "Improve self-cleaning function" patented technology

The invention relates to the technical field of self-cleaning coatings, in particular to a two-component inorganic super-hydrophilic self-cleaning coating and a preparation method and application thereof.The preparation method comprises the following steps that 1, gamma-aminopropyltriethoxysilane is dissolved in an ethanol water solution, then titanium dioxide sol is added, stirring reaction is conducted for 2-4 h at the temperature of 40-50 DEG C, and modified titanium dioxide sol is obtained; (2) dispersing nano-montmorillonite in ethanol, then adding tea polyphenol, and performing ultrasonic dispersion for 0.5-1 hour to obtain a modified nano-montmorillonite suspension; (3) mixing a cerium nitrate solution with the alumina sol, then adding the modified montmorillonite suspension, and uniformly mixing to obtain composite alumina sol; and (4) mixing and cross-linking the prepared modified titanium dioxide sol and composite aluminum oxide sol to obtain the self-cleaning coating. The long-acting super-hydrophilic self-cleaning coating provided by the invention has the advantages of excellent self-cleaning capability, stable and long-acting super-hydrophilicity, wear resistance and antistatic effect.

The invention relates to the field of coatings, and discloses an anti-icing fan blade coating suitable for high and cold regions, which comprises the following components in percentage by weight: 45-55% of ceramic matrix composite material comprising aluminum oxide, silicon nitride and silicon carbide; the invention further discloses an anti-icing fan blade coating technology suitable for the alpine region, and the technology comprises the following steps that S1, materials are prepared, specifically, all the component materials are prepared according to the weight percentage; comprising a ceramic-based composite material, shape memory alloy particles, a thermal response polymer, a photocatalyst, super-hydrophobic nanoparticles, an antioxidant enhancer, a fluoride composite material and a solvent. Functional materials such as the ceramic matrix composite material, the shape memory alloy particles and the super-hydrophobic nanoparticles are adopted, so that the ice coating resistance of the surface of the fan blade is effectively improved, the ice and snow adhesive force is reduced, the wear resistance and corrosion resistance of the coating are enhanced, and the service life of the blade is prolonged.

The invention relates to the technical field of cables, and discloses a low-voltage cable with a self-cleaning function and a preparation method thereof.The low-voltage cable is prepared by adding an ethylene-propylene copolymer, polypropylene, amino-modified fluorosilane, epoxy nano-silicon dioxide, an antioxidant 1010 and modified phenolic resin into an internal mixer, mixing, extruding and molding. And carrying out hot press molding on the mixed material in a press vulcanizer to obtain the low-voltage cable with the self-cleaning function. In the banburying process, amino groups in the amino-modified fluorosilane, hydroxyl groups in the modified phenolic resin and epoxy groups in the epoxy nano silicon dioxide are subjected to ring-opening reaction, and a cross-linked network is formed among the amino groups and the hydroxyl groups, so that more cross-linked fulcrums exist, and the tensile property is better. A quaternary ammonium salt group contained in the amino-modified fluorosilane has a good self-cleaning function, and fluorine is introduced into the amino-modified fluorosilane, so that a smooth fluorine carbonization layer which is not easy to adhere to an object can be formed on the surface of the amino-modified fluorosilane, and therefore, the amino-modified fluorosilane also has a good self-cleaning effect.

The invention discloses a protective cover with a self-cleaning function for a drop-out fuse. The protective cover comprises a polyvinyl chloride (PVC) protective cover base body and a self-cleaning nano composite coating coated on the surface of the protective cover base body. The protective cover base body is manufactured through an injection molding process and has a folding design to adapt to and protect the drop-out fuse, and short circuit caused by contact of small animals is prevented. In order to solve the problem of smudginess of an outdoor environment, a nano composite coating formed by blending TiO2 nano fibers and polyvinylidene fluoride (PVDF) is prepared on the surface of a matrix by adopting an electrostatic spraying method. The coating has super-hydrophobic and self-cleaning functions, the surface insulation performance of the protective cover can be remarkably improved, and pollution flashover accidents are reduced. Through finished product inspection, the protective cover has excellent super-hydrophobic, self-cleaning and durability, is suitable for an outdoor complex environment, and effectively guarantees the safe operation of the drop-out fuse.

This invention provides a self-cleaning coating composition, a self-cleaning coating, and a method for preparing the same. The self-cleaning coating composition comprises a carbon nanotube dispersion, a first nano-silica dispersion, a second nano-silica dispersion, and hexamethyldisilazane; wherein the first nano-silica dispersion comprises first nano-silica, the second nano-silica dispersion comprises second nano-silica, and the average particle size difference between the first and second nano-silica is 40–60 nm. This invention utilizes two different hydrophobic nano-silica particles with an average particle size difference within this range to construct a suitable nano-roughness, while simultaneously increasing the porosity of the coating by adding a small amount of nanotubes. The roughness construction enhances the self-cleaning performance of the coating, while the micropore construction reduces light reflection, improves the light transmittance of the self-cleaning coating, and provides excellent self-cleaning function.

The utility model discloses a spray head device and a release agent spraying system thereof. The spray head device comprises a spray nozzle, a mixing joint and an agent conveying valve body, the mixing joint comprises an air inlet end, an agent inlet end and a spraying end, the nozzle is connected to the spraying end, and an air inlet joint is connected to the air inlet end of the mixing joint; the agent conveying valve body is connected with an agent inlet connector and an agent outlet connector, and the agent inlet end of the mixing connector is connected with the agent conveying valve body through the agent outlet connector. The whole nozzle device is formed by combining the nozzle, the mixing connector and the agent conveying valve body, the agent conveying valve body is used for controlling on-off of the release agent in the nozzle, the mixing connector is used for mixing gas and the release agent, the nozzle is only responsible for spraying the mixed release agent, and the nozzle is only responsible for spraying out the mixed release agent. Therefore, when the nozzle is blocked, only the nozzle needs to be taken down and replaced, the cost is lower, and the ejection shape and area of the release agent can be adjusted by replacing different types of nozzles.

The application belongs to the technical field of solar cells, and particularly relates to a high-transmittance nano coating for transparent conductive oxide (TCO) glass of a perovskite solar cell and a preparation method thereof. The high-transmittance nano coating for the TCO glass of the perovskite solar cell is prepared from a composite silica dispersion liquid, a polyhydroxy polymer dispersion liquid and a wetting and leveling agent. The high-transmittance nano coating has higher mechanical properties, higher stability and service life, superhydrophilicity and self-cleaning property, can be prepared in a normal temperature environment, is suitable for the perovskite solar cell, and can increase the light transmittance of the TCO glass of the perovskite solar cell.

The utility model discloses a self-cleaning oil fume filtering device and a range hood. The self-cleaning oil fume filtering device comprises a cylindrical filter screen with openings in the top and the bottom, the first driving assembly drives the filter screen to rotate around a central shaft of the filter screen; the cleaning assembly comprises bristles for cleaning the filter screen and a bristle base for fixing the roots of the bristles, and the bristles are distributed on the bristle base in the direction facing the center axis of the filter screen; the net surface of the filter net is bent along the axial direction, so that the peripheral wall of the filter net is provided with a W-shaped longitudinal section, and the net surface is provided with a plurality of bent parts which comprise a near bent part closer to the bristle base and a far bent part farther from the bristle base; the bristles of the cleaning assembly comprise long bristles with long length and short bristles with short length, the long bristles are used for making contact with the far bent part of the filter screen or / and at least part of the area of the folded face adjacent to the far bent part, and the long bristles are used for making contact with the near bent part of the filter screen or / and at least part of the area of the folded face adjacent to the near bent part. When the height difference between the concave part and the convex part of the net surface of the bent filter net is large, a better self-cleaning function can be realized.

A method for preparing colored radiant cooling wood is disclosed. The purpose of this invention is to solve the application problems of existing microstructured colored radiant coolers, such as difficulty in preparation, high production costs, and lack of environmental friendliness. The preparation method includes: 1. Immersing dried wood in a lignin removal solution under vacuum conditions, followed by a water bath reaction at 75–80°C; 2. Dispersing fluorescent dye in an organic solvent, mixing it with methyl methacrylate monomer, adding the initiator azobisisobutyronitrile (AIBN), and prepolymerizing at 70–90°C; 3. Permeating the delignified wood into a prepolymerized dye / MMA mixed solution under vacuum; 4. Heating and polymerizing at 70–90°C. The delignified wood used in this invention is green and environmentally friendly. While maintaining excellent mechanical strength, the shape and size of the colored radiant cooler can be rationally set according to the needs of different scenarios, taking into account both flexibility and toughness, and is cost-effective.

The invention relates to the technical field of ovens, in particular to a double-compartment oven which comprises an inner container with an oven cavity, an oven body for installing the inner container, an oven door hinged to the oven body, a heating element, a controller, a power plug and a rotating frame. A rotating frame is arranged in a furnace chamber in a rotatable mode, and the rotating frame is at least provided with a winding assembly and high-temperature-resistant rolled cloth controlled by the winding assembly to be wound and unwound; the winding assembly is at least provided with a first winding part and a second winding part which are located on the two sides of the furnace cavity. The high-temperature-resistant roll cloth can be controlled to be unwound by the cooperation of the first winding part and the second winding part, and the furnace chamber is divided into two compartments; the high-temperature-resistant rolled cloth can be controlled to be rolled through cooperation of the first rolling part and the second rolling part, and the compartment is eliminated. During use, independent heating or unified heating can be selected according to the characteristics of food, and the phenomenon that the food is tainted by other odors can be effectively avoided.

The invention relates to the technical field of landscaping, in particular to a vegetation cultivation box for landscaping engineering, which comprises a vegetation cultivation box body, a vegetation cultivation room is arranged in the vegetation cultivation box body, a vegetation cultivation frame and a vegetation growth lamp are arranged in the vegetation cultivation room, a stepping motor is arranged in the vegetation cultivation box body, and the stepping motor is connected with the vegetation cultivation box body. One end of an output shaft of the stepping motor is fixedly connected with a threaded rod, and the bottom end of the vegetation growth lamp is fixedly connected with an oval block. The stepping motor is started regularly, the driving mechanism, the toothed plate and the E-shaped piece move along the bottom ends of the two growth lamp shells, the sweeping component rotates continuously, the outer walls of the bottom ends of the growth lamp shells passing along the way are swept in real time, and impurities and dust adsorbed on the growth lamp shells in the vegetation cultivation process are removed. The strengthening mechanism provides a self-cleaning function for the sweeping component, sundries directly fall into the lower collecting box to complete real-time collection, and then the illumination effect in the vegetation cultivation period is ensured, so that the vegetation normally develops.

The present application discloses a protection method for a cooling water electromagnetic valve of a urea tank. It includes judging the opening and closing of the cooling water electromagnetic valve according to the engine speed, and the cooling water electromagnetic valve is an on-off electromagnetic valve or a proportional electromagnetic valve. The present application prevents the cooling water electromagnetic valve from being damaged by the impact of the cooling water flow, and prevents the problem of the impurities in the cooling water being stuck in the cooling water electromagnetic valve.

The invention relates to the technical field of agricultural product classification and transportation, and discloses a classification and transportation device for primary agricultural product purchasing, which comprises a base, and a classification assembly is arranged on the rear side of the top end of the base and is used for classifying primary agricultural products according to sizes; a conveying assembly is arranged at the top end of the base and used for conveying the classified agricultural products. A driving assembly is arranged outside the conveying assembly and used for starting the conveying assembly and the vibration assembly. A self-adaptive assembly is arranged outside the driving assembly and is used for adjusting the adjusting belt pulley; a vibration assembly is arranged outside the classification assembly and used for vibrating the classification net to improve the classification efficiency. Through the design of different meshes in the classification net, the cam drives the baffle to move, the baffle drives the connecting rod to move, the push block drives the classification net to vibrate, and therefore agricultural products of different sizes can be rapidly and accurately classified into different discharging boxes, and the classification efficiency is improved.

The present invention relates to the field of gate valves, and specifically discloses a gate valve with an automatic cleaning function, comprising a mounting plate, a support plate arranged on the mounting plate, a pipe installed on the support plate, a control component for controlling the flow of liquid arranged on the pipe, a filter component arranged on the pipe upstream of the control component, and an impurity detector for detecting liquid impurities arranged on the pipe downstream of the control component. The present invention can store liquid by utilizing the impact force and pressure of the liquid, and at the same time can release a part of the liquid containing impurities, completely remove the contaminated liquid, accumulate another part of the liquid to generate gravity, spray the stored liquid onto the filter component, and use the stored liquid for automatic cleaning, thereby reducing the pollution of downstream equipment, reducing the risk of cross contamination, improving the self-cleaning function of the device, improving the quality of the liquid, and thus improving the quality of the product.

The invention discloses a camera self-cleaning system and a self-cleaning method thereof, and relates to the technical field of coal mine monitoring. A dirt detection camera is used to collect real-time video stream data of the surface of a monitoring camera component and send it to a matching upper computer, wherein the dirt detection camera is distributed outside the monitoring camera component; an image recognition and judgment module is used to obtain image information of the surface of the monitoring camera component at the current moment from the real-time video stream data, and perform recognition and judgment to determine whether there is dirt on the surface of the monitoring camera component; when the image recognition and judgment module determines that there is dirt on the surface of the monitoring camera component, the upper computer sends an automatic cleaning signal to the camera self-cleaning device through a cleaning control module, and then controls the cleaning mechanism to automatically clean the surface of the monitoring camera component.