47 results about "Uv treatment" patented technology

The invention relates to a device (1) for treating a flow of gas, for example of air, comprising a means (6) for dispersing a liquid in the form of droplets, preferably in the form of microdroplets, into said flow of gas to be treated, and an ultraviolet treatment means configured to subject the flow of gas to be treated to UV radiation. The UV treatment means is positioned downstream of the means (6) for dispersing a liquid in the form of droplets, and the UV treatment means is mounted inside a liquid-gas separation means (10) so as to separate the liquid present in the flow of gas when the flow of gas to be treated is subjected to the UV radiation.

The invention relates to the technical field of pressure-sensitive adhesives, in particular to a preparation method of a UV (ultraviolet) viscosity-reducing adhesive tape, which comprises the following steps: taking 100g of polymer, adding 10-80g of ethyl acetate, an isocyanate curing agent and a photoinitiator, then uniformly stirring, standing and defoaming to obtain an adhesive, uniformly coating a PET (polyethylene terephthalate) release film with the standing adhesive, putting into a drying oven to bake and dry, then attaching to a PO (polyolefin) base film, and drying to obtain the UV viscosity-reducing adhesive tape. And putting the adhesive tape process product into an aging room, and placing the adhesive tape process product at normal temperature for 7 days to obtain the UV viscosity-reducing adhesive tape of the PO base material. The UV viscosity-reducing adhesive tape disclosed by the invention can realize the performance that a common UV viscosity-reducing adhesive tape cannot be balanced in a severe environment, has the general characteristics of high adhesive force at an initial stage and extremely low adhesive force after UV treatment in the aspect of performance, can resist strong acid corrosion before UV treatment, can be applied to acid etching protection of glass, can be subjected to viscosity-reducing stripping through UV irradiation after an etching process is completed, and is low in adhesive force and high in adhesive force. And automatic operation is easy, and no adhesive residue risk exists.

The invention relates to the technical field of PET (polyethylene terephthalate) bottle preparation, and discloses an anti-light-transmission PET bottle preparation method based on a two-way stretching process, raw material pretreatment: compounding a food-grade PETG (polyethylene terephthalate glycol) resin base material, a titanium dioxide or carbon black opacifying agent and auxiliaries containing a dispersing agent and the like, premixing for 5-10 minutes in a high-speed mixer at the speed of 800-1200 rpm, and carrying out vacuum drying for 4 hours at the temperature of 120 DEG C to obtain a premix with the water content of less than or equal to 30 ppm; melting and injection molding: plasticizing the premix through a twin-screw extruder, and carrying out injection molding to obtain a tubular preform with the wall thickness of 2-3mm; and cooling and heating: cooling the preformed blank in a water bath at 25 DEG C, and heating the surface layer to 90-00 DEG C and the core to 60-70 DEG C by using an infrared heating furnace. Stretching and blow molding are conducted, axial stretching is conducted at 50-80 mm / s, radial high-pressure air blow molding is conducted at 2.5-3.5 MPa, the temperature of a mold is 80-100 DEG C, and pressure maintaining is conducted for 5-8 seconds. And post-treatment: cooling in three sections, cutting off excess materials, and carrying out UV treatment to improve weather resistance. By optimizing dispersion of the opacifying agent and selecting a proper opacifying agent, light is effectively blocked, and the light transmittance is controlled at an extremely low level.

Disclosed herein are methods and apparatuses for exposing an organic metal-oxide film to a blanket UV treatment prior to a lithographic patterning operation. A blanket UV treatment may be used to shift a solubility curve of the film, such that a lower EUV dose may be used to pattern the film. Additionally, a blanket UV treatment may be used after development to further cure the film.

The present invention relates to a photovoltaic module having a protective back layer element that comprises a polypropylene composition comprising low levels of one or more white pigments, as well as to the use of titanium dioxide for maintaining elongation at break after UV treatment.

The invention provides a high-temperature-resistant polyurethane UV light viscosity-reducing adhesive and a preparation method thereof, and the preparation process comprises the following steps: firstly, removing water from polyester glycol or polyether polyol at high temperature, gradually adding isocyanate and a cross-linking agent at a proper temperature, and accelerating the reaction by using a catalyst to control the reaction rate and uniformity; then isocyanate acrylic acid is added to form hanging double bonds, the synthesized polyurethane type UV light viscosity-reducing glue, an anhydrous ethyl acetate solvent, a photoinitiator and an isocyanate cross-linking agent are fully stirred and mixed, and the adhesive tape is prepared through a compression roller. The prepared polyurethane type UV light viscosity-reducing adhesive has excellent flexibility and high elongation at break. After UV treatment, the adhesive tape is low in peel strength and free of residues after being peeled, the heat resistance reaches up to 200 DEG C, and no adhesive residues exist within 30 minutes. The coating is especially suitable for protection of material surfaces in high-temperature scenes, such as electronic components, automobile parts and other industrial applications, and has wide market application value and important economic significance.

The invention provides a reverse osmosis optimal dosing system and method based on ultraviolet sterilization, and the method comprises the following steps: firstly, the system monitors the influent microorganism load and water quality in real time, dynamically calculates the required ultraviolet dosage, and precisely adjusts the power of an ultraviolet sterilizer; secondly, according to the residual microorganism risk and the water inlet flow after ultraviolet treatment, the feeding amount of an oxidizing bactericide (such as sodium hypochlorite) is accurately adjusted according to a PID control strategy combining feedforward and feedback; meanwhile, according to the oxidation-reduction potential of the sterilized water body, a reducing agent (such as sodium hydrogen sulfite) is intelligently added to protect the reverse osmosis membrane. And finally, efficient cooperation of ultraviolet physical sterilization and chemical sterilization is achieved, on the premise that strict control over microbial pollution is guaranteed, the consumption and operation cost of chemical agents are remarkably reduced, generation of by-products is reduced, the service life of a reverse osmosis membrane is prolonged, and the intelligent level of system operation and the overall economic benefits are improved.

The invention relates to the technical field of coating, in particular to a PET (Polyethylene Terephthalate) film material coating and compounding process which comprises the following steps: A, unwinding a base film and pulling the base film to move; b, carrying out dust removal and static electricity removal treatment on the base film; c, coating the base film through a plurality of small rollers; d, the coated base film is subjected to UV treatment, so that the coating is cured on the surface of the base film; e, unwinding two layers of protective films, and respectively adhering the two layers of protective films to two surfaces of the base film to form a composite film; and F, rolling the composite film. Through the arrangement of the multiple small rollers, the multiple small rollers continuously coat the base film for multiple times so as to ensure stable coating adhesion, and the multiple small rollers can also reduce the pressure on the base film, so that the phenomenon of deformation of the composite film is reduced.

Water disinfecting modules, water supply systems, methods of assembling a water supply system as well as method of disinfecting water are provided. The water disinfecting module includes a frame, hot and cold water flow switches and hot and cold UV treatment modules is provided. The frame supports a hot and cold water inlets and hot and cold water outlets. Hot and cold water flow switches are fluidly interposed between the respective inlets and outlets for sensing water flow. Hot and cold water UV treatment modules are fluidly interposed between corresponding inlets and outlets and are coupled to flow switches for activation upon sensing of water flow. All of the components are supported by the frame to form a complete unit. The systems and methods incorporate the use of such a water disinfecting module.

The present invention relates to a photovoltaic module having a protective back layer element that comprises a polypropylene composition comprising low levels of one or more white pigments, as well as to the use of titanium dioxide for maintaining elongation at break after UV treatment.

The embodiment of the present application provides a kind of circuit board printing method of brush mark, equipment and substrate, method includes the substrate with hole is carried out electroplating treatment, to the substrate after electroplating is carried out circuit production processing;The substrate provided with circuit is carried out anti-soldering super roughing pretreatment, the substrate after super roughing pretreatment is handled by ink first hole processing, first hole processing includes substrate is handled by ink coating and scraping flat processing;The substrate is handled by ink second hole processing, second hole processing includes substrate is handled by ink coating, the ink of the substrate after second hole processing is handled first baking treatment, substrate is handled by pressing flat, substrate is exposed, developed, second baking and UV treatment, obtain the substrate after printing.In the technical scheme of the present embodiment, in the anti-soldering processing, carry out second hole processing, ensure effective hole and can make that the surface of substrate is free of brush mark, solve the problem of appearance defect.

The invention discloses a uniformly dispersed nickel oxide film and a preparation method and application thereof, and the preparation method comprises the following steps: dispersing nickel oxide nanocrystals in water, adding an alcohol solvent, and carrying out ultrasonic treatment to obtain a first dispersion liquid; adding an ionic dispersant into the first dispersion liquid, carrying out ultrasonic treatment, and filtering to obtain a second dispersion liquid; and coating a conductive substrate with the second dispersion liquid, and carrying out blow-drying, annealing and UV treatment to obtain the nickel oxide film. According to the preparation method, the nickel oxide dispersion liquid with good dispersity and stability is obtained by adopting water-alcohol mixing and dissolving and adding the ionic dispersing agent, and the nickel oxide film which is compact, uniform, free of pinholes and high in crystallinity can be formed in a large-size range.

Some embodiments are directed to systems and methods for treating a viscous fluid. The viscous liquid may be a liquid sugar. The viscous fluid may have a viscosity of at least 50 cP. The system may include one or more mixers configured to receive the viscous fluid and to generate turbulent flow of the viscous fluid; and one or more UV chambers configured to receive the viscous fluid from the mixer and to expose the viscous fluid to a dose of UV light, the dose being at least 250 mJ / cm2. The system may deliver a total dose of UV light of about 500 mJ / cm2 such that bacteria and other contaminants are reduced or eliminated.

A low dose disinfection and control system that utilizes empirical and theoretical data to compare performance, sensor data, stored patterns, historical usage, use intensity indexes over time and tracking information to provide a sophisticated data collection system for disinfection. The data can be used to dynamically control UV treatment parameters. This tracking is designed to enable a learning and feedback tool that helps to modify behavior and the understanding of infection. The present invention provides a system for integrating UV treatment into products. The product may include an outer layer of UV transmissive material forming an external touch surface. The UV disinfection system includes a UV source internal to the product. In use, the internal UV source produces UV-C light that passes into and permeates the outer layer to treat the touch surface. A UV reflective layer may be disposed beneath the outer layer.

The utility model discloses a chemical wastewater treatment device for chemical production, and relates to the technical field of chemical production. The device comprises a box body, an inclined support plate, a catalyst carrier plate, an ultraviolet radiation assembly and a U-shaped frame, a plurality of inclined supporting plates which are distributed at equal intervals are arranged on the inner walls of the two sides of the box body, and the inclined supporting plates on the two sides are distributed in a staggered mode; one end of each inclined supporting plate is hinged to the inner wall of the box body, the other end of each inclined supporting plate is supported through a corresponding U-shaped frame, and the U-shaped frames are fixed to the back face in the box body. According to the utility model, ultraviolet light and a catalyst can be utilized to generate a strong oxidant, organic matters in wastewater are oxidized into low-toxicity or non-toxic substances, the inclination angle of the inclined support plate can be adjusted, and the distance between the ultraviolet irradiation assembly and the catalyst carrier plate can be adjusted, so that the wastewater treatment device can adapt to wastewater with different pollution conditions; the problems that in an existing wastewater ultraviolet treatment device, ultraviolet rays and sewage are not in uniform and thorough contact, and the treatment effect is not ideal are solved.

The utility model relates to the technical field of UV treatment, in particular to a UV instant decomposition system which comprises a mounting plate, mounting holes penetrating through the interior of the mounting plate are formed in the surface of the mounting plate, the mounting holes are symmetrically distributed along the longitudinal central axis face of the mounting plate, a via hole is formed in the middle of the mounting plate, and a pipe sleeve is arranged in the via hole in a penetrating and sleeved mode. The space between the pipe sleeve and the through hole of the mounting plate is filled and sealed through resin glue, a quartz glass pipe is arranged in the pipe sleeve, and the joint position of the quartz glass pipe and the pipe sleeve is sealed and assembled in a bonding mode through the resin glue. A tube sleeve is assembled on the mounting plate, a stable mounting structure is formed when the quartz glass tube is placed, the mounting plate can be matched with a screw to be mounted on an equipment shell for water treatment or air treatment through the mounting hole, and the ultraviolet lamp tube can be mounted through the cooperation of the lamp holder and the ultraviolet lamp tube and the energization of the power transmission line and the energization interface. Therefore, the ultraviolet lamp tube can release ultraviolet rays, and the ultraviolet rays are emitted outwards through the quartz glass tube for UV treatment.

Some embodiments relate to systems and methods for treating viscous fluids. The viscous liquid may be a liquid sugar. The viscous fluid may have a viscosity of at least 50 cP. The system may include one or more mixers configured to receive the viscous fluid and generate a turbulent flow of the viscous fluid; and one or more UV chambers configured to receive the viscous fluid from the mixer and to expose the viscous fluid to a dose of UV light, the dose being at least 250 mJ / cm < 2 >. The system may deliver a total dose of UV light of about 500 mJ / cm2 such that bacteria and other contaminants are reduced or eliminated.

A method for modulating the coefficient of thermal expansion (CTE) of dielectric films on a substrate is provided. In some embodiments, the method includes positioning a substrate within a processing chamber, forming a dielectric film stack on the substrate, and curing the dielectric film with a UV source to modify a CTE of the dielectric film.

The invention relates to an apparatus and process for pre-coating (111) and subsequent digital sol-gel inkjet printing (122) on a metal strip, where then a protective clear coat (124) is applied over the dried ink. The core of the invention lies in the fact that the printing is of the sol-gel ink type and the pre-coating (111) is no longer performed by separate application of two layers of coating, namely a primer and a base coat, and the relative drying and cooling phases of the coatings, but by application of a single coating that combines the functions of the primer and base coat. Furthermore, the process is even further simplified by printing with a special sol-gel ink type that does not require UV treatment, only a simple drying of the ink after application.

The utility model relates to the technical field of storage devices, and provides a nursing equipment storage device in order to overcome the defects that in the prior art, a cleaning function is not achieved, nursing equipment needs to be cleaned and then disinfected, and cleaning waste liquid is discharged disorderly, the nursing equipment storage device comprises an equipment box, and a cover plate is detachably installed at the top of the equipment box. The cleaning device comprises a cover plate, the cover plate is provided with two notches, a water tank is hinged in each notch, and a plurality of spray heads are embedded in the bottom of each water tank. Cleaning liquid and clean water are sequentially sprayed on the surface of the nursing equipment through a booster pump and the spray heads for cleaning, a baffle is pulled through an electric telescopic rod, and the cleaning liquid is sprayed on the surface of the nursing equipment; and the cleaned nursing equipment slides into the surface of the bottom end of the equipment along the filter plate to be disinfected by ultraviolet rays, meanwhile, cleaning waste water enters the drainage channel through the drainage plate and then flows into the recycling box to be temporarily stored, the cleaning waste liquid is prevented from being discharged disorderly, the disinfected nursing equipment can also be stored in the equipment box, and the practicability of the equipment is improved.

The invention relates to a low-density environment-friendly PET floor and a production method thereof, and belongs to the technical field of floor decoration materials. The method comprises the following steps: (1) sequentially superposing a wear-resistant printing composite layer and 1-5 layers of PET needled felts from top to bottom, and performing hot-pressing lamination and cold-pressing molding to obtain a PET floor base material; (2) bonding a PET foam board on the bottom surface of the PET floor base material by using a polyurethane adhesive to prepare a PET floor semi-finished product; (3) performing UV treatment on the surface of the PET floor semi-finished product to obtain a PET floor blank; and (4) the PET floor blank is subjected to slitting, grooving and tenon forming, trimming, chamfering, packaging and warehousing. The PET floor is adjustable in density, good in foot feeling, low in requirement for ground flatness, low in production cost and simple in processing technology. And the used materials are homogeneous, environment-friendly and non-toxic, are high in recycling rate and meet the market requirements.

To provide a light treatment device that solves a problem caused by deflection of a housing. The light treatment device (100) includes: a light source (3) that irradiates a treatment object (4) conveyed along a conveyance path with ultraviolet light (L1); a housing (2a, 2b) having the light source (3) therein and having an opening (5i, 5o) through which the treatment object (4) is carried in or out; and a heat deflection reducer that reduces heat deflection of the housing (2a, 2b) surrounding the opening (5i, 5o).

The invention discloses a printing part waste gas treatment device for a printing machine, and relates to a waste gas treatment assembly, the waste gas treatment assembly is installed on one side of a gas inlet cover, a butt joint sealing frame is embedded in the connecting position of the gas inlet cover, a filtering frame, a UV treatment frame, an adsorption frame and a gas exhaust cover, a detection opening is formed in the top end of an outer sealing ring, and a rubber cushion block is installed in a butt joint frame. A UV treatment frame and an adsorption frame can be additionally arranged, the treatment efficiency of the UV treatment frame and the adsorption frame is improved, the treatment capacity of the UV treatment frame and the adsorption frame is changed according to different scenes, the UV treatment frame has corresponding appropriate treatment capacity in different occasions, the applicability is higher, and the application range is wider. And if leakage occurs at the joint, the pressure of the barometer changes, so that timely overhaul and maintenance are facilitated, the treatment efficiency is ensured, each independent part is convenient to detach and clean, and the cleaning is more convenient.

The invention discloses a water supply method and system for terminal processing and storage-tank-free distribution of non-distillation water for injection and a readable storage medium. The method comprises the following steps: terminal processing; sequentially carrying out first ultraviolet treatment and second ultraviolet treatment on the reverse osmosis produced water, and then carrying out continuous electrodeionization treatment; wherein the first ultraviolet treatment is carried out after multiple times of cyclic irradiation and then the second ultraviolet treatment is carried out; performing distribution; and on the basis of the real-time requirements of the water consumption points, the qualified injection water is distributed to the water consumption points without storage tanks by regulating and controlling the water supply flow. The problems of insufficient water supply during peak water consumption, water quality fluctuation, microorganism breeding risk, low terminal processing efficiency, equipment reliability, energy consumption and the like in the traditional production and distribution process of the non-distillation injection water are solved; the equipment corrosion risk can be reduced, microorganism breeding is inhibited, continuous high purity and safety of water quality are ensured, energy consumption is reduced, and water supply stability is improved.

In one aspect, a heat transfer apparatus including an air inlet, an air outlet, a fan assembly to generate an airflow from the air inlet to the air outlet, a heat exchanger to transfer heat to the airflow, and an ultraviolet (UV) light source operable to emit UV light and treat the airflow. The heat transfer apparatus further including an automated cleaning apparatus operable to clean an interior surface of the heat transfer apparatus and increase an intensity of UV light in the heat transfer apparatus. The automated cleaning apparatus has a controller configured to cause the automated cleaning apparatus to clean the interior surface of the heat transfer apparatus in response to a reduced airflow UV treatment effectiveness condition.

The present application relates to the technical field of slurry treatment, in particular to an intelligent processing method and device for reclamation slurry chemical additives. The method comprises the following steps: S1. slurry input and pollution detection; S2. slurry pretreatment; S3. selection and preparation of peroxo organic acid; S4. material conveying; S5. oxidative degradation; S6. UV treatment; S7. detection and evaluation; S8. intelligent control system. The present application selects peroxo organic acid to remove reclamation slurry chemical additives, optimizes the use conditions and process parameters of peroxo organic acid, realizes efficient and rapid removal of chemical additives in reclamation slurry, avoids secondary pollution, and protects the marine ecological environment. In combination with a neural network system, multiple parameters in the processing process are modeled, predicted and feedback controlled, so that adaptive adjustment and dynamic optimization of the processing technology are realized.

The present invention relates to a method for producing beetle oil enriched with vitamin D3, comprising a light treatment step in which at least one light source emits ultraviolet radiation in the direction of said beetle oil.

Method of Preparing Carbon Material Precursors A method of preparing a carbon material precursor for carbonisation. The method comprises the steps of a) providing a carbon material precursor comprising a lignin; b) treating the carbon material precursor with a crosslinking agent; and c) heat treating the carbon material precursor obtained from step b) by heating the carbon material precursor at a temperature of from 100°C to 350°C. Also disclosed is such a method comprising a step b) of irradiating the carbon material precursor with UV light; and such a method comprising a step c) of treating the carbon material precursor with a crosslinking agent after heat treating the fibre. The use of the crosslinking agent and / or the UV treatment may improve the efficiency of the stabilisation of carbon material precursors and facilitate handling of the carbon fibre precursors during stabilisation and carbonisation steps. A method of producing a carbon material is also provided.

The utility model discloses equipment for spraying the surface of a paper support, which comprises a rack, a first manipulator, a first tray, a second tray, a second manipulator and a workbench, the first manipulator, the first tray, the second tray and the second manipulator are positioned on one side of the rack, and the first manipulator or the second manipulator is used for grabbing the paper support to move back and forth between the rack and the first tray or the second tray. A closed sliding rail is arranged on the workbench, the sliding rail is arranged on the rack and driven to move circularly after speed reduction of a motor, a first chain wheel is arranged on the sliding rail, and a jig is fixed to the first chain wheel and used for clamping a paper support. The autorotation mechanism comprises a plurality of second chain wheels, the second chain wheels drive chains after being decelerated by a motor, and the chains can be matched with the first chain wheels; the spraying mechanism comprises a plurality of sprayers suspended above the side of the chain; the UV processing assembly is located on one side of the spraying mechanism and used for drying the sprayed paper support. According to the device, assembly line production is adopted, a to-be-sprayed paper support is conveyed to a spraying area and then rotates to complete overall spraying, and a finished product is obtained after UV treatment.

The invention relates to the technical field of mud treatment, in particular to an intelligent treatment method and device for a sea reclamation mud chemical additive. The method comprises the following steps: S1, slurry input and pollution detection; s2, slurry pretreatment; s3, selection and preparation of peroxy organic acid; s4, conveying the materials; s5, oxidation reaction degradation; s6, carrying out UV (Ultraviolet) treatment; s7, detecting and evaluating; and S8, an intelligent control system. According to the method, the peroxy organic acid is selected to remove the chemical additive in the sea reclamation slurry, efficient and rapid removal of the chemical additive in the sea reclamation slurry is achieved by optimizing the use conditions and process parameters of the peroxy organic acid, meanwhile, secondary pollution is avoided, and the marine ecological environment is protected. And in combination with a neural network system, modeling, prediction and feedback control are performed on multiple parameters in the treatment process, so that adaptive adjustment and dynamic optimization of the treatment process are realized.