66 results about "Bacteria removal" patented technology

The invention discloses a medical oxygen generator with sterilization and dust removal functions, and relates to the technical field of oxygen generators, the medical oxygen generator comprises an oxygen generator shell, a handle, a touch screen, an oxygen generator bottom plate, an air inlet pipe, a dust removal and sterilization device, an air compression device, a heat dissipation pipe, an adsorption tower, a heat dissipation device, a cleaning device and a humidification cup, the air compression device can suck air and compress air, the dust and bacteria removal device can remove pollutants such as dust and bacteria in the air and prevent the pollutants from entering the air compressor to affect the quality of oxygen inhaled by a patient, the heat dissipation device rapidly dissipates heat of the air in the heat dissipation pipe, the adsorption effect of the adsorption tower is improved, and the service life of the adsorption tower is prolonged. The cooled air enters the adsorption tower, the adsorption tower adsorbs nitrogen in the air, the separated oxygen is decompressed and then conveyed into the humidifying cup, and the oxygen humidified by the humidifying cup is conveyed into an oxygen catheter of a patient.

An electrochemical system (200) and a corresponding method for detecting bacterial growth in a duct (205) are presented. The electrochemical system (200) includes one or more electrodes (211, 212, 213) and a measurement device (240) adapted to perform an electrochemical measurement using the said one or more electrodes. Each electrode is coupled to an electrolyte to form an electrode-electrolyte assembly (210', 220', 230'). Also presented is a method of removing bacterial growth from a duct using the electrochemical system.

The present application relates to air conditioning technical field, specifically provide a kind of control method of air conditioner, to solve the problem that the function of the bacteria removal device in prior art is relatively single, cannot remove odor.For this purpose, the control method of the present application includes: obtaining the air quality index of outdoor environment, determine the interval where the air quality index is located, obtain the number of people in the space where air conditioner is located, based on the interval where air quality index is located and the number of people, control the operation mode of first ultraviolet module and / or second ultraviolet module.The present application controls the operation mode of first ultraviolet module and second ultraviolet module according to the interval where air quality index is located and the number of people, so as to control the operation mode of air conditioning device in real time according to the air quality of outdoor environment and the number of people in indoor space, so that it can operate according to different actual situation to achieve different sterilization and odor removal intensity, better improve the air condition of indoor space.

The application discloses a desalination method for 1,3-propanediol fermentation liquor, and comprises the following steps: sequentially performing bacteria removal and concentration on the 1,3-propanediol fermentation liquor to obtain a primary concentrated solution; and performing specific chromatographic separation and desalination on the primary concentrated solution by using a chromatographic separation system to obtain a desalination solution; by the specific chromatographic separation and desalination process, the PDO fermentation liquor can be directly subjected to chromatographic separation and desalination after being filtered by ultrafiltration, the nanofiltration membrane filtration process is reduced, and the PDO extraction process is simplified; in addition, the product yield of PDO in the desalination process of the PDO fermentation liquor can reach more than 98%, the chromatographic separation and desalination rate is increased to more than 90%, the residual amount of the distillation kettle is significantly reduced, the product yield of PDO in the distillation process is increased, and the product quality is significantly improved.

The application discloses a security filter element recycling and cleaning device with a sterilization function, which comprises a cleaning tank, a feeding pipe, a transmission shaft, a transmission sleeve, a rotating disc, a first driving mechanism and a second driving mechanism; the cleaning tank is provided with a fixing seat; the rotating disc is provided with a cleaning sleeve; the rotating disc is provided with a first gear, and the cleaning sleeve is provided with a gear ring; the transmission shaft is provided with an inflation mechanism; the cleaning sleeve is provided with brush bristles and a clamping mechanism; the cleaning tank is provided with a lifting mechanism; the cleaning tank is provided with an ultraviolet lamp, a liquid feeding pipe, a discharge opening and a discharging mechanism. The second driving mechanism drives the cleaning sleeve to rotate, the lifting mechanism drives the cleaning sleeve to move up and down to clean the filter element, the clamping mechanism clamps the filter element, and the first driving mechanism drives the filter element to rotate to the discharge opening to be discharged.

FIELD: fillers.SUBSTANCE: method for producing a filler. A method for producing a filler comprises: a) mixing polynucleotides having a molecular weight of 1800 to 2300 kDa with a solvent to obtain a solution of polynucleotides and then mixing said solution, wherein the polynucleotides are uniformly distributed in the solvent; b) removing bacteria from the resulting polynucleotide solution using a sterile filter; c) mixing non-crosslinked hyaluronic acid having a molecular weight of 100 to 5000 kDa and a pH modifier with a bacteria-free polynucleotide solution, wherein the polynucleotide is contained in a concentration of 1 to 1.5 wt. / vol.% and non-crosslinked hyaluronic acid is contained in a concentration of 0.1 to 1 wt. / vol.% relative to the total volume of the final filler, and is characterized in that steps a)–c) are performed sequentially, wherein the filler has a complex viscosity in the range of 0.3 to 3 Pa⋅ with and is suitable for reducing mild wrinkles according to the Wrinkle Severity Rating Scale (WSRS) or crow's feet; wherein step c) of mixing hyaluronic acid and a pH modifier comprises: c-1) mixing non-cross-linked hyaluronic acid with the bacteria-free polynucleotide solution obtained in step b) to obtain a mixture; c-2) mixing a pH modifier with the obtained mixture.EFFECT: reduction in the possibility of external contamination of the filler during production and a reduction in mild wrinkles according to the Wrinkle Severity Rating Scale (WSRS) or crow's feet.8 cl, 2 dwg, 7 tbl, 8 ex

A treatment mixture for treating biofilms on a human or animal is provided. The treatment mixture comprises: an effective amount of a salt of alkyleth sulfate defined by Formula I:          R1-(OCHR2CH2)n-OSO3X1     Formula I wherein: R1 is a branched or unbranched alkyl of 8-24 carbons; R2 is hydrogen or methyl; n is an integer of 2 to 30; and each X1 is independently a counter ion; an effective amount of at least one surfactant selected from the group consisting of a salt of alkyl sulfoacetate defined by Formula II:          R4OC(O)CH2SO3X2     Formula II wherein R4 is a branched or unbranched alkyl of 8-24 carbons; and X2 is a counter ion; and an effective amount of a salt of an alkyl sulfosuccinate defined by Formula III: wherein: R3 is the branched or unbranched alkyl group of an alkyl alcohol with the alcohol hydrogen replaced with the sulfosuccinate wherein the alkyl has of 8-24 carbons, more preferably 10-18 carbons and most preferably 12-14 carbons; and X is a counter ion; and an effective amount of a zinc salt.

The invention relates to the technical field of drinking water treatment, and discloses a multifunctional and integrated composite micro-polluted underground water treatment device and method.The device is mainly composed of three main devices including an aeration column, a chemical crystallization circulating granulation fluidized bed and a catalytic oxidation filter column and a matched system; the aeration column aerates the raw water subjected to acid adding treatment to reduce the alkalinity of the raw water, the chemical crystallization circulating granulation fluidized bed can remove hardness, iron and manganese in incoming water, effluent of the crystallization fluidized bed enters the catalytic oxidation filter column to be filtered, and manganese, ammonia nitrogen, bacteria and microorganisms in the water are further removed through an internal catalytic oxidation active filter material; the whole set of system combination of the multifunctional and integrated composite micro-polluted underground water treatment device can achieve the functions of softening, iron removal, manganese removal, turbidity removal, ammonia nitrogen removal, bacteria removal and microorganism removal on micro-polluted underground water, and effluent can directly reach the drinking water standard.

This invention falls under the category of items for general use and non-medical devices, and it is designed for maintaining oral hygiene in patients with fixed orthodontic appliances. According to the International Patent Classification (IPC), this invention fails within category A - 'HUMAN NECESSITIES,' particularly in the subclass A61C. The problem addressed by the device is the challenging maintenance of oral hygiene due to the presence of a fixed orthodontic appliance. The device utilizes electrolysis as an active principle to remove bacteria from the surface of teeth, gums, and the orthodontic appliance. Its design and mode of use enable application at any location and between two toothbrushing. It is sufficient to simultaneously place the electrodes (3) on the upper and lower arches of the fixed orthodontic appliance and wait for 30 seconds. Due to the closure of the electrical circuit through saliva and a voltage of 3V, the device, powered by two AAA batteries (2) of 1.5V each, facilitates the rapid migration of bacteria. These bacteria are drawn from the negatively charged area to the positively charged area, released into saliva, and easily removed by rinsing the mouth with a sip of water.

The ventilator for dust removal, dehumidification, degerming, sound absorption, noise reduction and heat exchange is arranged on ventilation openings formed in indoor and outdoor walls of a building, and outdoor cold air containing moisture and germs, harmful substances and noise attached to dust is subjected to heat exchange through the pressure difference between indoor air and outdoor air; dust and moisture flowing through outdoor dust removal filter cloth are coarsely filtered and enter the dust removal, dehumidification and noise reduction purification device through flow division of an air inlet grille in the ventilator, induction of differential pressure of an insect prevention filter screen and an air guide pipe and heating of a Venturi heating device; when air is in contact with a titanium dioxide material, a sound absorbing material and an LED light bar which are coated and arranged in the dust removal, dehumidification and noise reduction purification device, germs and harmful substances adhered to moisture and dust are subjected to catalytic oxidation decomposition, dust removal, dehumidification, sterilization, sound absorption, noise reduction and cold air heat exchange treatment; and after being purified by indoor dust removal filter cloth, the air flows indoors at the temperature of 16 DEG C or above, moisture and dust particle size PM2.5 are removed, the concentration and the degerming effect reach 95%, and the sound absorption and noise reduction effect is 33 decibels or above.

The utility model relates to the technical field of biological degerming purification tanks for organic wastewater treatment, in particular to a biological degerming purification tank for organic wastewater treatment, which comprises a mixing barrel, a liquid inlet is arranged on the base surface of the mixing barrel, a stirring motor is arranged on the right side surface of the mixing barrel, a liquid outlet electromagnetic valve is arranged on the left side surface of the mixing barrel, and the liquid outlet electromagnetic valve is arranged on the right side surface of the mixing barrel. A stirring screw is rotatably arranged in the mixing barrel, a shaking assembly and the stirring screw are arranged on the biological sterilization purification tank for organic wastewater treatment, the stirring screw can be driven to rotate by operating a stirring motor, and a left threaded rod can be driven to rotate by operating a left adjusting motor; a left rotating rod and a first auxiliary rod can be driven to rotate through an adjusting block, so that a shaking plate can deviate towards the left lower side, a right adjusting motor can be operated to drive the shaking plate to deviate towards the right lower side, and the shaking plate can swing left and right to drive liquid in the mixing barrel to shake; the chemical agent and the organic wastewater can be better mixed.

The application belongs to the technical field of polysaccharide preparation and relates to a purification method and application of microbial polysaccharide hyaluronic acid. ‑ The viscosity of the hyaluronic acid fermentation liquor is reduced by more than 99% after the alkali-adjusted and viscosity-reduced hyaluronic acid fermentation liquor is subjected to mechanical shearing treatment, so that the viscosity is further reduced to 40-75 mPa s; the hyaluronic acid fermentation liquor after the high-shear treatment is filtered to remove bacteria and impurities; acid is added to the filtered solution for neutralization, and then alcohol precipitation and drying are performed, and the hyaluronic acid is obtained. The application can quickly reduce the viscosity of the hyaluronic acid fermentation liquor to reach the viscosity range for efficient bacteria removal and impurity removal in subsequent operations, thereby breaking through the industrial bottleneck of bacteria removal and purification in the industrialized production process of microbial polysaccharide hyaluronic acid.

Provided herein are methods and compositions for growing a plurality of different bacteria, where each of the plurality of bacteria is grown on a separate medium from the others, removing the bacteria from the media, and combining them to produce a microbial consortium.

The utility model relates to the field of electric appliances, and particularly provides a degerming module and refrigeration equipment. The sterilization module comprises a water storage cavity and a first ionization assembly at least partially located in the water storage cavity, the first ionization assembly is used for ionizing water in the water storage cavity, and the sterilization module further comprises an atomization piece and a second ionization assembly. The atomizing part is used for atomizing water ionized by the first ionization assembly in the water storage cavity into water mist, and the second ionization assembly is used for ionizing the water mist emitted by the atomizing part. According to the utility model, the first ionization assembly and the second ionization assembly can successively ionize water in the water storage cavity so as to generate enough strong oxidizing particles, the water in the water storage cavity can be output to the chamber of the refrigeration equipment from the sterilization module in the form of water mist, and the strong oxidizing particles with high concentration in the particles of the water mist can be discharged out of the chamber of the refrigeration equipment. Bacteria and viruses in the compartment can be effectively killed, and safety and no pollution are achieved.

1. The name of the product under this design: Bacteria Disinfection Apparatus (Sodium Hypochlorite). 2. Purpose of the product of this design: a sterilizing instrument used to generate sodium hypochlorite solution. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The utility model discloses a direct drinking water machine, which belongs to the technical field of direct drinking water and is characterized in that raw water is stored in a raw water tank skid-mounted component and then enters a nanofiltration skid-mounted component for raw water conveying, raw water sand carbon filtration and RO (reverse osmosis) membrane filtration and then is conveyed to a sterile water tank skid-mounted component; removing bacteria and viruses from the water filtered by the RO membrane to obtain direct drinking water, and conveying the direct drinking water to a water supply pump group assembly; the water supply pump set assembly conveys the direct drinking water to a floor direct drinking water point. During installation, only the raw water tank skid-mounted assembly, the nanofiltration skid-mounted assembly, the sterile water tank skid-mounted assembly and the water supply pump set assembly need to be directly installed in the tank body; the device has the advantages of small occupied area, convenience in installation and the like.

1. Name of the designed product: razor (with sterilization function). 2. Use of the designed product: for trimming hair. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: assembly state diagram.

The invention discloses a formaldehyde-removing and bacterium-removing activated carbon-based bifunctional material as well as a preparation method and application thereof, and aims to solve the technical problems that active components of an existing modified activated carbon material are easy to fall off, and efficient formaldehyde removal and lasting bacterium resistance are difficult to realize at the same time. Comprising an activated carbon carrier and an active component loaded on the activated carbon carrier, wherein the surface of the activated carbon carrier contains oxygen-containing functional groups; the active components comprise an aldehyde removal active component and a bacteria removal active component, and the active components and metal ions in the active components form coordinate bonds or hydrogen bonds through oxygen-containing functional groups; the aldehyde removal active component is metal oxide nano-particles which are selected from at least one of manganese dioxide, zinc oxide, titanium dioxide, copper oxide and iron oxide; the degerming active component is nano-antibacterial metal and / or metal oxide nanoparticles, and is selected from at least one of nano-silver, zinc oxide and copper oxide; the loading capacity of the aldehyde removal active component is 0.5-15 wt% of the total mass of the material; the loading capacity of the antibacterial active component is 0.05-2wt% of the total mass of the material.

The present invention discloses a multifunctional Petri dish with two sealing structures to ensure that the water in the medium will not evaporate during continuous culture, further affecting cultured living material growth and development. In addition to alcohol spray, the multifunctional Petri dish allows the application of acids, alkalis, alcohols, peroxides solution, or peroxides gas to immerse the multi-purpose Petri dish to remove bacteria or viruses. Various accessory devices can meet all requirements for a living culture of cells and tissues that the existing Petri dishes cannot provide. Using the dish cover operator and the dish container operator is essential to ensure that the researcher's hands will not directly touch the Petri dish in the sterile operating bench, thereby blocking all potential contamination of the medium and culture by foreign organisms. The labeling and labeling reading recorder with the multifunctional Petri dish provides more convenient and accurate electronic data establishment and reading for in vitro culture.

The invention provides a polyvinylidene fluoride membrane as well as a preparation method and application thereof, and relates to the technical field of materials. The preparation method of the polyvinylidene fluoride membrane provided by the invention comprises the following steps: coating a membrane casting solution on a base material to form a liquid membrane, staying a carrier in an environment of 30-80 DEG C for 1-5 seconds, immersing the carrier into a coagulating bath, curing to form a membrane, and washing with water to obtain the polyvinylidene fluoride membrane. The preparation method is environment-friendly, simple in process and low in cost, and the prepared polyvinylidene fluoride membrane has a dendritic-spherocrystal alternate porous structure and controllable membrane aperture, and can be used for biological application technologies such as western blot, sterilization and filtration.

The utility model relates to integrated sewage treatment equipment which comprises a water inlet grating, a sludge sedimentation tank, an ozone aeration device, an adjusting tank, a lifting pipeline, a lifting pump, a waste gas collecting hole, an anoxic tank, a submersible stirrer, a sludge backflow hole, an aerobic tank, an air aeration device, an MBR (Membrane Bioreactor) tank and the like. According to the device disclosed by the invention, sewage can be treated and discharged up to the standard or recycled, and bacteria and viruses can be efficiently removed by utilizing ozone; in addition, cell walls of partial activated sludge can be destroyed by utilizing ozone, so that sludge reduction is realized, and the effects of no sludge discharge and no human intervention are achieved; finally, residual ozone can be used for deodorizing the rest space, and ozone tail gas is not generated; the disinfected produced water enters the water purification activated carbon and the reverse osmosis device, so that drinking water can be provided; power of the whole system is provided by the photovoltaic panel assembly and the solar storage battery, and the system can be suitable for emergency systems, field sites and other areas without power supply conditions.

The invention relates to the technical field of casting cooling processing, and discloses a spheroidal graphite casting cooling water recycling device, which comprises a cooling box, a wall body and a recovery device, the wall body is arranged at one end of the cooling box, the recovery device is arranged at one end of the cooling box, the recovery device comprises an evaporation tank, and the evaporation tank is fixed at one end of the cooling box. The upper surface of the evaporation tank is fixedly connected with a tank opening, the upper surface of the wall body is fixedly provided with a guide plate, the lower surface of the guide plate is fixedly connected with a drainage pipe, the lower surface of the drainage pipe is fixedly connected with a water outlet pipe, the water outlet pipe is located right above the tank opening, and the drainage pipe is communicated with the water outlet pipe; the inner wall of the clamping groove is slidably connected with a push plate. According to the rainwater recycling and purifying device, rainwater is collected through the flow guide plate, the drainage pipe and the water outlet pipe when it rains, impurities are filtered out through the filter plate, the filter plate can be conveniently detached and cleaned, then the rainwater is heated and boiled through the heating plate to remove bacteria and microorganisms, and effective recycling and purifying treatment of the rainwater are achieved.

The present invention relates to a filter for removing PFAS, and more specifically, to a filter for removing PFAS, which has the ability to remove artificially synthesized organic compounds and carcinogenic chemical substances contained in raw water. The present invention relates to a filter for water purification, which comprises a filter housing having an inflow part for supplying raw water and an outflow part for purifying the supplied raw water and then discharging the purified raw water, and which is attached to a water purifier, the filter comprising: a filter part (200) which is formed in a cylindrical shape and is inserted into the filter housing (100); the present invention is provided with: an external carbon filter (210) for removing volatile organic compounds and heavy metals contained in raw water supplied to an inflow part (130); an antiviral filter (220) and a post-carbon filter (230) having the ability to remove bacteria; a PFAS removal bead (240) that inhibits artificially synthesized organic compounds and carcinogenic chemicals between an outflow passage (250) and an outflow section (331) of the post-carbon filter (230); and a filter cover section (300) comprising an upper cover (310) provided at one end of the filter section (200), a lower cover (330) having an outflow section (331) provided at the other end, and an inner lower cover (320) provided at one end of the filter section (200).

1. The name of the design product: graphical user interface for indoor and outdoor environment parameter display and setting of electronic equipment. 2. The use of the design product: for electronic equipment. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: for displaying indoor and outdoor environment parameters and setting indoor environment parameters. 7. The human-computer interaction mode of the graphical user interface: in design 1-design 10, clicking one of "air conditioner", "fresh air", "humidity control", "bacteria removal" in the main view can set the indoor environment parameters.

The invention relates to the technical field of functional ceramic products, in particular to original degerming and moisturizing functional ceramic and a preparation method and a use method thereof.The functional ceramic is formed by firing natural mineral argil, and the natural mineral argil is naturally enriched with at least two trace metal elements of iron, copper, zinc and manganese needed by human metabolism; the porosity of the body of the functional ceramic is 15-30%, and the functional ceramic is used in cooperation with food to be heated in a microwave oven heating scene. According to the invention, natural mineral argil is taken as a raw material, and through structural design and process optimization, triple functions of moisturizing, nutrition supplement and sterilization in a microwave oven heating scene are realized, so that the core pain point of food moisture loss is solved, trace elements required by a human body are safely supplemented, and meanwhile, the safety of food after heating can be improved; the product is stable in preparation process and convenient to use, and has high practical value and market prospect.

1. Name of the Design Product: Formaldehyde and Bacteria Removal Device. 2. Use of the Design Product: For formaldehyde removal, odor removal, and sterilization. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

The present application relates to the technical field of clothes treatment, and particularly provides a control method of clothes treatment equipment, aiming at solving the problem of poor effect of bacteria removal of washing machines in the prior art. To this end, the control method comprises: obtaining a washing mode of the clothes treatment equipment, if the washing mode is a mixed washing mode, obtaining a current running stage of the washing mode, if the current running stage is in a pre-watering stage, controlling an inner drum to rotate at a preset inner drum rotating speed, and controlling a light plasma tube and a fan to operate simultaneously, before or after the inner drum is controlled to rotate at the preset rotating speed. The present application combines the operation of the light plasma tube and the fan with the running stage of the mixed washing mode, so that better bacteria removal effect can be obtained while ensuring smooth operation of the mixed washing mode.

This invention provides a method for removing bacterial biofilm using enhanced advanced oxidation technology. The method uses persulfate or permonsulfate as the advanced oxidation system, Fe(II) as the activator, and epigallocatechin gallate as the enhancer. The advanced oxidation system, activator, and enhancer react in a container containing bacterial biofilm to remove it. This method achieves good biofilm removal while reducing the amount of chemical reagents added to the system, eliminating the need for additional post-treatment methods. Therefore, this technology can be applied not only to wastewater treatment systems but also to water supply networks and secondary water supply equipment.

The utility model relates to the technical field of light pollution prevention lens storage device, and disclose a kind of light pollution prevention lens storage device of bacteria removal, including storage shell, the top movable joint of storage shell is equipped with cover plate, and the outer wall one side of storage shell is embedded with control end, the inside of storage shell is provided with sterilization mechanism;The sterilization mechanism includes installation shell, and the front end of storage shell is fixedly installed in installation shell, and the inside one side of installation shell is embedded with quartz glass, and the inside other side of installation shell is fixedly installed with mounting bracket.The utility model is through the cooperation of quartz glass, mounting bracket, ultraviolet lamp, ultrasonic generator and setting shell, can carry out sterilization and sterilization operation by two kinds of ways of ultraviolet and ultrasonic, improve the comprehensiveness of overall disinfection, avoid the influence of dead angle and residue on the surface of lens, affect transmittance, and can be separated with sliding rod and partition rod to lens, avoid mutual adhesion influence sterilization effect.