12results about How to "Improve self-cleaning effect" patented technology

This invention discloses a method for preparing a fluorine-free superhydrophobic nano-silica cotton fabric, belonging to the field of superhydrophobic textile technology. The invention utilizes trichlorooctadecylsilane (OTS), γ-glycidyl etheroxypropyltrimethoxysilane (KH-560), and hexadecyltrimethoxysilane (HDTMS) to modify silica, obtaining a fluorine-free superhydrophobic coating. This coating, applied to the surface of the cotton fabric, results in a fabric with both low surface energy and a rough surface structure, exhibiting excellent superhydrophobic properties. Furthermore, it also imparts durability, self-cleaning, and stain-resistant capabilities to the hydrophobic coating.

This invention discloses a photovoltaic module with dual passive assisted cooling and surface hydrophobicity, comprising: a photovoltaic module body; a light-transmitting radiative cooling layer disposed on the light-facing surface of the photovoltaic module body; the surface of the light-transmitting radiative cooling layer opposite to the photovoltaic module body having a microstructure; and a hygroscopic hydrogel disposed on the back surface of the photovoltaic module body. The photovoltaic module provided by this invention achieves a certain degree of cooling effect through the light-transmitting radiative cooling layer on its surface, while utilizing the hydrophobicity of the microstructure on the surface of the radiative cooling layer to provide good self-cleaning effect against dust and other dirt; furthermore, the hygroscopic hydrogel disposed on the back of the photovoltaic module achieves a good cooling effect through daytime moisture evaporation cooling.

The invention relates to an antibacterial and mildewproof textile and a preparation method thereof, a mixture of wild chrysanthemum flower extract powder, coptis chinensis extract powder, sweet orange essential oil microcapsules and zeolite micro powder suspension is attached to the antibacterial and mildewproof textile, and the antibacterial and mildewproof textile attached with the mixture is subjected to reactive polymer coating treatment. According to the antibacterial mildew-proof textile and the preparation method thereof, the textile is treated by the reactive polymer coating, so that the textile has an excellent hydrophobic effect, good physical and chemical durability and good self-cleaning performance, the static contact angle reaches 151.7 + / -0.8 degrees, the rolling angle reaches 8.8 + / -0.9 degrees, dust and gravels on the surface of the textile can be easily washed away by water, and the textile has a good antibacterial and mildew-proof effect. And a repelling effect is achieved on various liquid drops.

The utility model discloses a kind of gas tank flow regulating valves, it includes installation valve body, regulating valve piece and gas outlet component, the upper end of this installation valve body is recessed with adjusting slot, the regulating valve piece can be adjusted and connect in this adjusting slot, the lower side end of this adjusting slot is opened with gas outlet hole, the gas outlet component is fixedly connected in this gas outlet hole, the inner bottom of this adjusting slot is equipped with sealing cone groove, the bottom of this regulating valve piece is equipped with the sealing cone head compatible with this sealing cone groove, the sealing cone head is embedded into the sealing cone groove and forms conical surface sealing connection.The gas tank flow regulating valve of the utility model is realized by screw thread transmission the up-and-down movement of regulating valve piece, so that sealing cone head generates controllable gap in sealing cone groove, to realize the accurate regulation of gas flow, in closed state, sealing cone head and sealing cone groove are closely combined, form high-efficiency conical surface sealing, ensure that gas circuit is completely cut off.

The application discloses a kind of corrosion-resistant wear-resistant self-cleaning heat insulation tile surface diaphragm material and preparation method thereof;Preparation raw materials of heat insulation tile surface diaphragm material include the following components: polyether ether ketone fine powder 100 parts, polytetrafluoroethylene fine powder 10-20 parts, glass fiber 20-40 parts, modified silica aerogel powder 5-10 parts, crystallization nucleating agent 0.1-1 parts, lubricating aid 0.1-1 parts.This heat insulation tile surface diaphragm material, with polyether ether ketone as matrix material, polyether ether ketone has excellent temperature resistance, wear resistance, chemical corrosion resistance, ultraviolet resistance and self-lubricating property, at the same time, polytetrafluoroethylene fine powder is introduced into polyether ether ketone matrix, further improving the wear resistance of diaphragm material;At the same time, polytetrafluoroethylene also reduces the hydrophilicity of diaphragm material, and the introduced modified silica aerogel material surface is subjected to hydrophobic treatment;Both synergistic effect, construct hydrophobic micro-nano structure in diaphragm, give heat insulation tile surface good self-cleaning performance.

The application relates to the technical field of sewage detection, in particular to a high-efficiency sewage detection equipment capable of collecting in multiple directions, which comprises a winch, a guide rope is wound on the surface of the winch, a counterweight is arranged at the lower end of the guide rope, a collecting device is arranged on the surface of the guide rope, and a detection device is arranged at the end of the winch far from the collecting device; a start-stop mechanism is arranged, when a spiral collecting bottle is thrown into the water body by the winch, a staff member puts a filtering mechanism into the water body, then a water pump is started, the water pump conveys water into a rear threaded water guide hole through the filtering mechanism and a rear second water guide pipe, in the process that the water flow rapidly passes through the threaded water guide hole, the water is washed through a baffle, the baffle drives a guide opening to be communicated with the spiral collecting bottle through an arc-shaped guide slope, a guide block, a rack, a spur gear and a blocking shaft, and the nearby sewage loses resistance and rapidly flows into the inside of the spiral collecting bottle.

The application relates to the technical field of traffic safety, in particular to a high-weather-resistance reflective film and a manufacturing method thereof. The high-weather-resistance reflective film comprises a PET film, a reflective adhesive layer coated on the surface of the PET film, and a silicone coating layer coated on the surface of the adhesive layer; the reflective adhesive layer is formed by uniformly scattering glass beads on the surface of the PET film after the adhesive material is coated on the surface of the PET film; the raw material of the adhesive material comprises, by mass fraction, 50-150 parts of a hydroxyl-containing acrylate resin, 5-12 parts of an IPDI prepolymer, 1-2 parts of UV329 ultraviolet absorber, and 0.5-1.5 parts of anti-aging agent 1076. The reflective film has excellent self-cleaning performance, good reflectivity, long-term stable weather resistance, can effectively reflect incident light, effectively protects the reflective glass beads, can maintain the performance for a long time under various environments and conditions, and is suitable for being used as a traffic sign.

The application belongs to the technical field of super-hydrophilic / super-oleophilic coating materials, and discloses a super-amphiphilic surface with high light transmittance and a preparation method thereof, which comprises the following steps: pretreating a surface of a base material by strong cleaning; immersing the pretreated surface of the base material in prepared strong acid and strong alkali solutions respectively to perform strong acid and strong alkali treatment, and cleaning after immersion for a proper time; and immersing the surface of the base material in concentrated nitric acid at room temperature to perform passivation treatment after the super-amphiphilic performance of the surface of the base material is completed. The application realizes the super-hydrophilic and super-oleophilic performance of the surface of the base material through a simple technological process, and the water and oil can be completely spread on the surface and have self-cleaning performance. In particular, when the glass material is used as the surface of the base material, the high light transmittance of the glass surface can be effectively realized to reach more than 95%.

This invention relates to a method for preparing a near-infrared high-reflectivity radiation-cooling coating. This method uses KH-570 to treat Al... 2 O 3 Modification treatment yields K-Al 2 O 3 Then, it is added to fluorinated ethylene acrylate (FEP) to improve its dispersibility in the fluorinated ethylene acrylate, thereby improving the reflectivity of the radiation-cooling coating in the solar radiation band and its emissivity and scattering efficiency in the atmospheric window band. The radiation-cooling coating of the present invention is easy to prepare, has a significant cooling effect, and exhibits high reflectivity in the solar radiation band and high emissivity in the mid-infrared band.

The invention discloses sewage coagulation dissolved air flotation treatment equipment which comprises a scum pool, a scum collecting pool and a scum scraping assembly, the scum scraping assembly comprises a conveying belt and a scraper arranged on the conveying belt, the scraper is connected with the conveying belt through a telescopic mechanism, the telescopic mechanism comprises a rotating shaft and a shaft sleeve rotationally arranged on the rotating shaft in a sleeving mode, and the shaft sleeve is connected with the conveying belt through a connecting rod. The shaft sleeve is fixedly connected with the conveying belt, blocking bodies located on the two sides of the shaft sleeve are arranged on the two sides of the rotating shaft, reset springs are arranged between the blocking bodies and the shaft sleeve, the first end of the rotating shaft is connected with the scraper blade, and a clamping head is arranged at the second end of the rotating shaft. The telescopic mechanism with the reset spring is arranged between the scraper blade and the conveying belt, the driving shaft is matched with the arc-shaped clamping groove, and when the scraper blade runs to the end, meshing of the rotating shaft and rotation of the scraper blade are automatically achieved, so that attachments on the scraper blade are effectively thrown off under the action of centrifugal force, and the attachments are prevented from affecting the working performance of the scraper blade; and the self-cleaning capability of the scraper is improved.

This invention relates to the field of cleaning equipment technology and discloses an air knife mechanism for mold cleaning, including an air inlet, an air outlet detachably connected to the output end of the air inlet, a negative pressure detection mechanism on the air outlet, a sealing component inside the air outlet, a gas driving component on the air inlet, a liquid pumping component on the air inlet, and a liquid circulation component inside the air outlet. By incorporating a negative pressure detection mechanism on the air outlet, this invention can detect changes in negative pressure within the air outlet duct in real time. When there is no negative pressure or the negative pressure is low, the gas driving component drives the sealing component to seal the air inlet and outlet of the air outlet duct, thus forming a sealed chamber. Then, the liquid pumping component and the liquid circulation component drive the cleaning fluid to circulate within this sealed chamber and clean the inner wall of the air outlet duct, thereby achieving a good self-cleaning effect. It eliminates the need for manual cleaning and does not affect the external environment.

The utility model relates to a photovoltaic glass self-cleaning dustproof coating structure, which belongs to the technical field of glass coatings and comprises a bottom coating, a self-cleaning functional layer and a top coating which are sequentially stacked on a photovoltaic glass substrate. A roughened transition interface is formed between the bottom coating and the photovoltaic glass substrate, a micro-nano convex structure layer is formed on the surface of the top coating, and organic matters can be decomposed by photon-generated carriers generated by nano titanium dioxide under the irradiation of sunlight; inorganic matter pollutants such as dust and the like are difficult to adhere due to the micro-nano convex structure and the low surface energy characteristic of the top coating, and self-cleaning can be achieved under rain wash. Meanwhile, static electricity is effectively dissipated through the carbon nano tube network structure, the phenomenon that dust is attached due to electrostatic adsorption is reduced, and the dustproof capacity of the coating is further improved.