20 results about "Uv treatment" patented technology

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.

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 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 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 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.

The present application relates to a method for quickly treating initial rainwater, which is collected by a sewage collection pipe network and then discharged into an inlet channel, and the water in the inlet channel is treated by mechanical coarse grid and mechanical fine grid to obtain pretreated sewage, and the pretreated sewage is sequentially treated by a sand settling tank, an oil removal tank, an electrolytic flocculation reaction tank, an electrolytic catalytic oxidation tank and a high-efficiency UV treatment tank, and then discharged after reaching the standard. The present application can quickly purify and treat the initial rainwater, which is helpful to clean the water quality entering the river. Compared with the traditional dosing, magnetic treatment and membrane treatment technologies, the present application has the advantage of being more efficient. The present application can improve the main indicators of the water quality, especially the sensory quality of the water, by quickly flocculating and electrolytic catalysis in the electrolytic technology, and combining a certain wavelength of UV to control organic matter and bacterial colonies. The present application can quickly sterilize and disinfect the sewage by setting the high-efficiency UV treatment tank, which has high sterilization efficiency and good sterilization effect.

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.

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.

A fluid disinfecting apparatus is disclosed. The fluid disinfecting apparatus comprises a housing comprising a fluid inlet, a fluid outlet and a fluid flow path between the fluid inlet and the fluid outlet. A UV treatment module is interposed between the fluid inlet and the fluid outlet The UV treatment module comprises a sterilisation chamber configured to sterilise fluid contained therein. The sterilisation chamber comprises first and second UVC LED arrays wherein the first and second UVC LED arrays are positioned such that they are substantially opposite one another.

This invention relates to the field of UV anti-adhesion film preparation technology, specifically to a UV anti-adhesion film for UTG processing with dual crosslinking control and its preparation method. It consists of a modified PO base film and a composite adhesive layer. The modified PO base film is a polyethylene-polypropylene blend modified polyolefin film. The composite adhesive layer contains a fluorinated modified polyurethane acrylate prepolymer, a multifunctional UV monomer, a composite photoinitiator, and a dual interface modifier. The mass percentages of each component are 38-45%, 42-48%, 3-5%, and 2-4%, respectively. The multifunctional UV monomer is a mixture of TMPTA and HDDA at a mass ratio of 1:1.2. This invention optimizes the adhesive layer formulation and base film pretreatment process, improving etch resistance and interfacial compatibility, achieving precise matching of peel force before and after UV treatment, resulting in a product with low thermal shrinkage, minimal adhesive residue, and reduced glass damage. It significantly improves the yield of UTG thinning and is suitable for large-scale processing of flexible electronics.

The application provides a high-temperature-resistant polyurethane type UV light adhesion-reducing adhesive and a preparation method thereof. The preparation process comprises the following steps: firstly, removing water from polyester dihydric alcohol or polyether polyol at high temperature, gradually adding isocyanate and a cross-linking agent at a suitable temperature, and accelerating the reaction by using a catalyst to control the reaction rate and uniformity. Then, isocyanate acrylate is added to form a suspended double bond. The synthesized polyurethane type UV light adhesion-reducing adhesive is fully stirred and mixed with anhydrous ethyl acetate solvent, a photoinitiator and an isocyanate cross-linking agent, and a tape is prepared by using a press roller. The prepared polyurethane type UV light adhesion-reducing adhesive has excellent flexibility and high elongation at break. The tape has low peeling strength after UV treatment, no residue after peeling, and high heat resistance up to 200 DEG C, and no adhesive residue within 30 minutes. The tape is particularly suitable for protecting the surface of materials in high-temperature scenes, such as electronic components, automobile parts and other industrial applications, and has wide market application value and important economic significance.

This utility model discloses a waste gas treatment device for circuit board production, including an inlet pipe and a treatment tank. A cover is connected to the top of the treatment tank, which contains an alkaline treatment solution. An aeration pipe immersed in the alkaline treatment solution is installed inside the treatment tank. An activated carbon treatment box is located on one side of the treatment tank, and a UV treatment box is located on the other side of the activated carbon treatment box. This utility model introduces waste gas generated during circuit board production into the treatment tank, where it reacts with the alkaline treatment solution to remove acidic gases and dust. The gas is then further treated in the activated carbon treatment box to adsorb moisture and residual pollutants. Finally, the waste gas passes through the UV treatment box to treat organic waste gases. Compared to existing single-treatment methods, this utility model features high treatment efficiency and good treatment effect.

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 present invention provides an industrial printing apparatus for packaging roll material / substrates. The apparatus may include a water-based coating device, a UV treatment device, and a UV embellishment device. The apparatus may comprise an unwinding mechanism capable of receiving and unwinding a roll material / substrate; a rewind mechanism capable of providing roll to roll transmission of the material / substrate; a roll lift mechanism; a material webguide for retaining the roll material / substrate perfectly straight and inline; a servo tension control infeed; a corona treater; a servo tension control pull drive nip roller; at least one print station; at least one dryer; at least one drop-in unit capable of providing printing features including UV spot print / varnish, cold foil, cast and cure, textile effects and combinations thereof; and a servo outfeed nip roller. The apparatus increases efficiencies for printing packaging for edible food and beverage products on a large scale while saving significant operating time.

The utility model relates to the technical field of slurry processing, especially to a reclamation slurry chemical additive treatment device, which comprises a slurry filtering unit, a chemical regulating unit, a chemical storage unit for storing pH regulators or salinity regulators, a slurry storage unit, a reaction container, a dispensing unit for storing peroxy organic acids, a UV treatment unit and a slurry detection unit. The filtering unit, the chemical regulating unit, the slurry storage unit and the reaction container are sequentially connected through the feed inlet. The chemical storage unit is connected to the chemical regulating unit. The dispensing unit is connected to the feed inlet of the reaction container. The discharge outlet of the reaction container, the UV treatment unit and the slurry detection unit are sequentially connected. The strong oxidizing property and environmental friendliness of peroxy organic acids are used to remove the reclamation slurry chemical additive. The in-situ treatment device reduces the secondary pollution caused by the traditional ex-situ treatment method, and reduces the transportation time and cost.