180results about How to "Achieve the purpose of self-cleaning" patented technology

The invention relates to nm functional material self-cleaning suit face fabric that adopts low temperature plasma surface process technology to take dipping or spraying process with halothane residue triethoxy silicane compound containing nm level solid particle to pure wool or wool terylene blending face fabric to make the face fabric has super water discharging and oil discharging feature to achieve the purpose of self-cleaning. The invention could make the face fabric more handsome and prolong useful life, and it also has great social and economic benefits in environment and energy saving aspects.

The invention provides a method for preparing a waterproof ultraviolet-resistant high-strength light and thin fabric. The method comprises the following steps: blending ceramic fibers and triangular special-shaped polyester fibers to form warp yarns, blending spandex fibers and titanium-nickel alloy fibers to form weft yarns, weaving plain weaves or basket weaves serving as a fabric structure to form base cloth; adding colloidal silica sol and nanometer titania sol into a solvent, fully stirring, adding graphene oxide solution, dripping a polystyrene high polymer, homogenizing and stirring so as to obtain a coating finishing agent; washing and airing the base cloth, performing low-temperature plasma treatment so as to obtain modified base cloth in a nitrogen atmosphere; spraying deionized water on the surface of the modified base cloth, wetting, repeatedly coating the coating finishing agent, drying, roasting, washing, well-pressing, and performing tenter setting, thereby obtaining the product.

An ultrahydrophobic self-cleaning paper with nano surface structure is made up by using silica gel (703,704, or 705), ethyl acetate, n-butyl acetate and banana oil to prepare an ultrahydrophobic self-cleaning nano layer on the surface of ordinary paper. Its advantages are high impressionability and writability, high water-proof and self-cleaning function.

A preparation process of self-clearing leather or products comprises nano functional material, which comprises mixing nano inorganic solid particles and alcohol solution of fluorine-containing alkyl triethoxy silane compound to prepare mixing solution, then impregnating through the impregnation method or conducting spray coating through the spraying process, and then drying. Since fluorine-containing alkyl triethoxy silane compound is used, therefore the process has high bonding strength to leather fiber, has excellent water repellency and oil repellency without high temperature cross-linking, has simple processing technique to face fabric, and can save energy. Leather is endowed with higher roughness factors through adopting the compounding of nano solid particles, thereby further increasing hydrophobic and oleophobic properties, and making leather have self-clearing function since leather is water free and oil free.

The invention relates to a preparation method of a transparent super-hydrophobic coating. The preparation method comprises the steps of (1) preparing boehmite sol; (2) soaking a substrate material in the boehmite sol, and forming a boehmite seed film on the surface of the substrate material through a way of pulling and dip coating; (3) soaking the substrate material coated with the boehmite seed film in a solution containing sodium metaaluminate and urea, and carrying out hydrothermal reaction; and (4) soaking the boehmite seed film-coated substrate material processed by the step (3) in a solution containing a hydrophobic compound, and implementing self-assembly reaction at normal temperature; or carrying out chemical vapor deposition at 100-150 DEG C and implementing self-assembly reaction to obtain the transparent super-hydrophobic coating. The method disclosed by the invention is simple in process, easily available in raw material, low in cost and good in repeatability; the prepared coating is excellent in super-hydrophobicity and light transmission, and is applicable to windshields of automobile, airplane, spacecraft and the like, as well as window glass and curtain walls of buildings and other occasions.

The invention discloses graphene oxide/copper silicate composite powder, a preparation method of the composite powder and application thereof in a super-hydrophobic coating. The graphene oxide/copper silicate composite powder with a micro-nano structure on the surface comprises a core formed by flake graphene oxide and a shell layer formed by needle-like nano copper silicate, wherein the needle-like nano copper silicate is arranged on the surface of the core in an array form. The super-hydrophobic coating is prepared by the following steps: coating the surface of a base material with the graphene oxide/copper silicate composite powder with the micro-nano structure on the surface, drying, and performing fluoroalkyl silane low-surface energy treatment, thereby obtaining the product. The preparation method disclosed by the invention is mild in reaction conditions, easy to realize and excellent in process repeatability; the prepared high-transparency, self-cleaning and anticorrosive super-hydrophobic coating has a static water drop contact angle of not less than 150 degrees; the slide angle does not exceed 1 degree; and the light transmissivity is not lower than 90% in a visible-ultraviolet light wave range. The product has excellent corrosion resistance and is expected to be widely applied to the fields of automobiles, spaceflight, solar cells, articles of daily use and the like.

The invention discloses an evaporator assembly for a clothes dryer and the clothes dryer provided with same. The evaporator assembly comprises an evaporator, a water accumulation container, a water storage container, a water draining pipe and a cleaning pipe, wherein an upper end opening and a water accumulation cavity for receiving condensed water flowing from the evaporator are defined in the water accumulation container, the water draining pipe is communicated with the water accumulation container and the water storage container, a water draining pump for driving water in the water accumulation container to flow towards the water storage container is arranged on the water draining pipe, the cleaning pipe is communicated with at least one evaporator in the water accumulation container and the water storage container, and a cleaning pump is arranged on the cleaning pipe and used for driving water in at least one of the water accumulation container and the water storage container to flow towards the evaporator. According to the embodiment, the evaporator assembly for the clothes dryer can achieve condensed water discharge, meanwhile can utilize the condensed water of the clothes dryer to flush dirty flocks and the like on the evaporator so as to achieve the self-cleaning purpose, the water flowing speed and flow are improved, and a cleaning effect is improved.

The invention relates to a self-cleaning nano cashmere or products and making method, where the self-cleaning nano cashmere or products is obtained by adopting organic fluorin finishing agent containing nano inorganic solid particles to process the cashmere or products by dipping, coating or spraying. The organic fluorin finishing agent is a water system containing organic fluorin resin 10-70g/L, nano solid particle 5-30g/L, silane coupling agent 0-50g/L, cross-linking agent 0-7g/L, magnesium chloride 0-0.1g/L and isopropanol 0-30g/L. The self-cleaning nano cashmere or products has super -hydrophobic and -oleophobic property, i.e. not stained with both water and oil, thus achieving the self-cleaning purpose.

The invention discloses a method for controlling atmospheric plasma spraying of an easily-oxidized coating under the atmosphere open environment. According to the method, in the plasma spraying process, powder can be effectively prevented from being oxidized, the purity and the property of the coating are ensured, the oxidation-resisting property and the ablation-resisting property of the coating are improved, and the service life of the coating is prolonged. The method specifically comprises the points that before plasma spraying is carried out, an air flow channel is arranged outside a plasma spraying gun muzzle; the air flow channel is connected with a protection air bottle, and therefore the aim that the protection atmosphere environment is formed between the spraying gun opening and a base material can be achieved. Before the coating is sprayed, the protection air bottle is opened in advance, the protection atmosphere environment is formed, and then plasma spraying equipment is controlled to carry out spraying of the easily-oxidized coating. According to the method, manufacturing of a silicide coating under the atmospheric pressure open environment can be achieved, the process is easy to operate, parameters are easy to regulate and control, and the method is a high-efficiency low-cost coating manufacturing process.

The invention relates to a cleaning device for conveying equipment and belongs to the field of conveying equipment. The cleaning device comprises a receiving tank, a water supply pipe and spray assemblies. The receiving tank is arranged below the conveying equipment and used for receiving residual materials on the non-working surface of the conveying equipment cleaned by the spray assemblies. The water supply pipe is connected with the spray assemblies and used for conveying liquid materials to the spray assemblies; and the spray assemblies face the conveying equipment. According to the cleaning device for the conveying equipment, the combination of the spray assemblies and mechanisms such as water pipes is adopted to clean the non-working surface of the conveying equipment, the structure is simple, the cleaning effect is good, the operation intensity of a traditional cleaning mode is largely reduced, and the cost is saved; additionally, operation is easy and convenient, as long as a corresponding switch assembly is started and collecting water buckets are placed at the receiving tank and a collecting tank, the fallen residual materials such as grain can be easy to collect and recycle, the cost is reduced, and the cleanliness of an entire factory is improved; and an intelligent control device is adopted to achieve dynamic monitoring on the operating state of the conveying equipment, and the purpose of self-cleaning is achieved.

The invention relates to seawater resistant graphene modified anticorrosive paint, which is prepared from the following ingredients in parts by weight: an ingredient A (20 to 30 percent of epoxy resin, 3 to 10 percent of Fe3O4@TiO2/rGO composite materials, 20 to 30 percent of deionized water, 1 to 5 percent of zinc powder, 5 to 10 percent of zinc phosphate, 5 to 10 percent of talcum powder, 5 to 15 percent of calcium carbonate, 3 to 10 percent of water-based dispersants, 0.5 to 3 percent of coupling agents and 1.5 to 5 percent of other auxiliary agents) and an ingredient B (15 to 30 percent ofcuring agents). The paint has the advantages that the Fe3O4@TiO2/rGO composite materials are formed at the material surface; Fe3O4@TiO2 nanometer of a core-shell structure has an efficient photocatalysis effect; ocean organic organisms are oxidized and decomposed; meanwhile, the photoinduced cathode protection is realized; the anticorrosive effect is achieved on a base material; rGO is of a unique laminar structure; the adhesive force of the coating can be improved; meanwhile, a physical blocking layer can also be formed; through the performance optimization in various aspects, the paint hasgood antifouling and anticorrosive performance. The seawater resistant graphene modified anticorrosive paint can be widely applied to the fields of facilities such as oil and gas pipelines in marine environment and steel frame structures.

The invention provides a process for producing a door curtain material, which comprises delivery of polyester fiber grey cloth, double-face coating treatment, pre-plasticizing and gelling, planishing and cooling, primary coating of a horizontal coating head, plasticizing treatment, cooling and shaping, secondary coating of the horizontal coating head, plasticizing treatment, embossing, cooling, winding, surface treatment and preparation. The process combines net sandwich cloth coating and surface treatment process, is complete relatively to common coating processing, can process a vertical coating, a surface layer and a bottom layer, reduces the intrusion of ultraviolet rays on the coating by adopting the surface treatment process on the one hand, can prevent plasticizing agent from being transferred to the surface of a product on the other hand so as to achieve the antifouling effect and achieve the aim of self-cleaning by means of rainwater; and the product has good air tightness and superior abrasion-resisting property, is suitable for outdoor application, and has long service life and remarkable economic benefit.

The invention relates to biological rotating disc integrated domestic sewage treatment equipment, belonging to the technical field of domestic sewage treatment equipment. The biological rotating disc integrated domestic sewage treatment equipment comprises an equipment box body, a denitrification tank, a biological treatment unit, a pipe chute secondary sedimentation tank and a mud sump, wherein the skeleton of the equipment box body is welded by carbon steel square tubes, the wall plate of the equipment box body is made of glass fiber reinforced plastics, a three-dimensional elastic packing is installed in the denitrification tank, microorganisms grow on the packing, and the biological treatment unit comprises three levels of (three) rotating biological rotors. According to the biological rotating disc integrated domestic sewage treatment equipment, the problem of environment pollution caused by emission of small-scale domestic sewage is solved, energy consumption for treating water per unit is lowered, and manual operation amount is reduced.

The invention relates to a method for preparing a self-cleaning anti-icing rubber surface by use of a waste silicone rubber product and belongs to the technical field of surface chemistry. The method comprises the following steps: fully combusting a waste silicone rubber product; grinding obtained combustion products into powder; spreading the powder on a well-shaped mixing rubber surface; placing rubber on which the powder is spread into a die, and performing high-temperature vulcanization shaping in a press vulcanizer; after demoulding, cleaning to obtain a super-hydrophobic rubber surface. The method is simple and convenient, realizes waste utilization, is environment-friendly, dispenses with a special processing instrument and therefore is low in cost. The manufactured super-hydrophobic surface adopts a micro/nano dual structure, and a micro bulge structure has high super-hydrophobicity, self-cleaning capability and favorable mechanical stability, has a favorable application prospect and is expected to realize industrial production.

The invention discloses a nanometer composite ocean anticorrosion coating and a preparation method thereof, belonging to the field ofcorrosion prevention of coatings. The coating contains the following components in percentage by weight: a component A: 20%-40% of acrylic resin, 5%-10% of a hydroxyl epoxy phosphate dispersing agent, 4%-7% of a Fe3O4@TiO2-h-BN hybridized composite material, 0.5%-2%of nano-crystalline cellulose, 5%-15% of epoxy resin, 1.2%-3.5% of other aids, 20%-25% of deionized water, 5%-10% of zinc powder and 3%-7% of calcium carbonate; and a component B: a curing agent, namely 15%-25% of a water-based isocyanate curing agent. The coating prepared by virtue of the preparation method has good wear resistance, fouling resistance and corrosion resistance, is mainly applied to the fouling prevention and corrosion prevention of petroleum steel-frame structure platforms in an ocean atmospheric region environment and is also suitable for the fields of fouling prevention andcorrosion prevention of ships and underwater pipelines.

The invention discloses a garbage bin for residential quarters capable of improving living comfort, which comprises a box body placed vertically on the ground, a solar panel is arranged on the top of the box body, and the inside of the box body is sequentially arranged from top to bottom There are interconnected trays, air pumps, and trash cans; the upper part of the box is provided with a parabola port connected to the tray, the side wall of the parabolic port is provided with an aroma diffuser, and the lower part of the box is rotatably connected with a trash can The door of the box is equipped with an LED electronic display screen between the parabolic port and the door; a controller and an ultraviolet disinfection lamp are connected to the inner wall of the box between the receiving tray and the trash can, and a distance sensor is installed on the receiving tray. , the controller is respectively connected with the distance sensor, the solar panel, the air pump and the ultraviolet disinfection lamp; the solar panel is connected with the controller, the LED electronic display and the aroma diffuser. The utility model has the advantages of improving the community environment, being able to supply electricity by itself, being able to disinfect garbage, and being suitable for use in residential quarters.

The invention discloses an anti-corrosion and anti-blockage drainage pipe and a preparation method thereof. The anti-corrosion and anti-blockage drainage pipe drainage pipe comprises a plastic pipe, aself-cleaning layer and an anti-corrosion layer, wherein the anti-corrosion layer is uniformly sprayed on the inner wall of the plastic pipe, and the self-cleaning layer is uniformly sprayed on the surface of the anti-corrosion layer and comprises the following raw materials: nano-silver, glass powder, polystyrene and polydimethylsiloxane; the anti-corrosion layer comprises the following raw materials: polytetrafluoroethylene, carbon fiber, bisphenol A epoxy resin, additives, turpentine and a compatilizer. The pipe has the beneficial effects that a self-cleaning effect can be achieved, dirt in the pipe can be removed to achieve the effect of being in the silt but not imbrued, blockage of the drainage pipe is effectively prevented, and the pipe is provided with the anti-corrosion layer, sothat corrosion resistance and oxidation resistance of the pipe are increased, stability of the pipe is enhanced, and the service life of the pipe is prolonged.

The invention discloses a water quality monitoring and sample feeding device with an impurity remover. The water quality monitoring and sample feeding device comprises a covered shell provided with a water inlet tube and a water drainage tube, wherein a collector is arranged at the bottom in the shell, and the collector is communicated with the outside through a sample feeding tube; an umbrella-shaped filter screen is arranged above the collector with a gap, and the centre of the umbrella-shaped filter screen is connected with a motor arranged on the top cover of the shell; the water outlet of the water inlet tube is located close to a place above the umbrella-shaped filter screen. During sample feeding, seawater flows to the umbrella-shaped filter screen through the water inlet tube, impurities are filtered off by the umbrella-shaped filter screen, and a part of the impurities falls off from the edge of an umbrella and enters the water drainage tube to be drained. When many dirt impurities stay on the umbrella-shaped filter screen, the motor is started to enable the umbrella-shaped filter screen to rotate at high speed, and the impurities are cleaned off in combination with the inlet water of the water inlet tube, so as to achieve a self-cleaning purpose. Therefore, the water quality monitoring and sample feeding device disclosed by the invention has the advantage of being capable of primarily removing unrelated impurities in water, prolonging the life of a detection instrument, reducing losses and carrying out self-cleaning.

The invention relates to a durable fabric self-cleaning finishing agent. The finishing agent comprises the following raw materials: epoxy resin, nano-titanium dioxide, sodium phosphate dibasic dodecahydrate, polystyrene sulfonate, foamy copper, cellulose ester, butylbenzyl phthalate, barium stearate, luffa cylindrical juice, nano-mica powder, a defoamer, nano-chitin, coco-betaine, an emulsifying wetter, sodium alginate and glycerin abietate. The invention has the advantages that the durable fabric self-cleaning finishing agent is provided; and a fiber fabric is finished by utilizing a fabric self-cleaning finishing agent with special composition, so that the need of developing high-grade self-cleaning textiles can be met.

The invention provides a device for automatically cleaning an extractor hood. The device comprises a motor, a motor forward-reverse rotating control circuit and a controller, wherein the motor is used for driving an impeller, and the controller is used for driving the motor to rotate forward and reversely in an alternating mode within preset periods through the forward-reverse rotating control circuit after the motor operates for the preset time, and then driving the impeller to automatically clean the extractor hood in a centrifuging mode. The device has the advantages that the motor is controlled through the forward-reverse rotating control circuit to circularly rotate forward and reversely in the alternating mode, the motor drives a turbine and blades of the extractor hood to rotate forward and reversely, greasy dirt on the blades fast falls from the blades based on the principle of movement inertia, and accordingly the self-cleaning purpose is achieved; the device is low in machining cost, convenient to operate and reliable in operation.

The invention discloses machining iron scrap treatment equipment, and relates to the technical field of machining. The equipment comprises an equipment main body, wherein a power-on controller is fixed to the front surface of the equipment main body; a liquid collecting box is mounted below the front surface of the equipment main body in a sliding manner; a motor is fixed to the back face of the equipment main body; a filtering mechanism used for separating iron scraps from cutting liquid is arranged in the equipment main body; an anti-splashing mechanism used for preventing the cutting fluid from splashing is arranged on the inner wall of the equipment main body; and a cleaning mechanism used for cleaning the filtering mechanism is arranged at the top of the filtering mechanism. Through the arrangement of an electromagnet, the cutting fluid in the iron scraps is separated from the iron scraps under the inertia that the iron scraps are bounced by a bouncing plate and the attraction effect of the electromagnet on the iron scraps, so that the problem that a certain amount of cooling fluid exists in the gaps of the iron scraps and cannot be filtered out, so that the cooling fluid is wasted is solved. Therefore, the efficiency of separating the iron scraps from the cutting fluid is improved.