788 results about "Air cleaning" patented technology

The invention provides an air purification filter element control method and system based on environment awareness, and the method comprises the steps: collecting environment parameter data of a to-be-purified space and working state data of purification equipment, extracting the spatial and temporal change characteristics of the pollutant concentration in the environment parameter data, and generating environment characteristic data; based on the ventilation quantity and the environment characteristic data in the working state data, calculating the mass flow of each pollutant passing through the filter element, and performing weighted correction on the mass flow through a preset load coefficient to obtain a current load value; cumulative calculation is conducted on the load history data, the pressure difference distribution data and the current load value, and filter element service life parameters are obtained; target operation parameters are determined based on the filter element service life parameters and the environment parameter data, and a fan and a valve of the purification equipment are adjusted; according to the method, accurate evaluation of the state of the filter element is realized through multi-point environmental perception and load accumulation calculation, and dynamic regulation and control are performed by combining the environmental pollution degree and the service life of the filter element, so that the purification efficiency is improved and the service life of the filter element is prolonged.

The invention discloses a clean storage system for a household breathing machine. The machine body is provided with a breathing machine placing area, a storage device, an air purification system and a display control component, an air outlet is at least formed in the breathing machine placing area or the part, close to the breathing machine placing area, of the machine body, the storage device is provided with a storage chamber, an exhaust port and a storage port capable of being opened and closed, and the storage chamber is communicated with an air supply device. The air purification system is provided with a fan, an air purification device, an air outlet and an air inlet, an airflow channel in the machine body in the air outlet direction of the air purification device is a clean air area, the air outlet communicates with the airflow channel, the breathing machine containing area forms the clean air area, and the air supply device sucks clean air. The household breathing machine platform has a special platform space for placing various types of household breathing machines, has an air source filtering and purifying function, and has the advantages that accessories / parts of the household breathing machines can be cleanly stored, indoor environment air can be purified, and the like.

The invention relates to a flameout control method, system and equipment for a gas heating water heater and a medium. The gas heating water heater comprises a sealed combustion system, a Venturi mixer and a pneumatic gas valve which are sequentially communicated, and a command valve of the pneumatic gas valve is connected to an air purification bin of the sealed combustion system through an air pressure pipe. The method comprises the following steps: in a whole machine debugging stage, setting the pressure of a zero-position adjusting spring of a command valve of the pneumatic gas valve to be a negative value; in the operation stage of the water heater, whether the combustion flame is out of flame or not is determined based on the ratio of the gas flow to the air flow; the pneumatic gas valve is closed by the controller in response to a combustion flame off-flame stall. When the smoke pipe is seriously blocked, the pneumatic gas valve can be closed, so that the whole machine is shut down, and the gas heating water heater is protected.

The invention discloses an air purification and temperature and humidity coordination control method and system for a central air conditioner, and the method comprises the steps: learning past and future environment change trends based on a Bi-LSTM bidirectional neural network, adding a one-dimensional CNN convolution layer before Bi-LSTM, and extracting a local space mode of sensor data; introducing an attention mechanism to dynamically weight a pollutant concentration peak value and a temperature and humidity sudden drop point in the input sequence; inputting the multi-modal data into the hybrid prediction model for prediction, and outputting a prediction result; establishing a dynamic optimization model by taking minimization of energy consumption, maximization of air cleanliness and maintenance of temperature and humidity stability as targets through an NSGA-II multi-objective optimization algorithm; and inputting the prediction result, the multi-modal data and a threshold value set by a user into a dynamic optimization model, and outputting an air purification adjustment parameter and a temperature and humidity adjustment parameter. The efficiency and accuracy of temperature and humidity control and air purification control are improved.

The invention discloses an air purification device and a control method, and relates to the field of air purification, and the air purification device comprises a shell, a polarity switching unit, a discharge electrode group and a cleaning electrode group; the discharge electrode group and the cleaning electrode group are both arranged in the shell; the discharge generation end of the discharge electrode group and the discharge generation end of the cleaning electrode group are both close to the airflow direction; the air flow circulates in a space between the discharge electrode group and the cleaning electrode group; the polarity switching unit is respectively connected with the discharge electrode group and the cleaning electrode group; the polarity switching unit is used for controlling the discharge electrode group to apply a first polarity voltage so as to generate a plasma electric field; and the polarity switching unit is also used for controlling the cleaning electrode group to apply reverse polarity voltage so as to generate an electric field for decomposing and stripping surface deposition of the discharge electrode group. The device realizes automatic cleaning and is suitable for heavy oil smoke scenes.

The invention relates to the technical field of fan control, and discloses a fan rotating speed adjusting method and system based on a dynamic pollution load. The method comprises the following steps: collecting a target PM2.5 concentration, a target VOC concentration and a target microorganism concentration of each monitoring point, and calculating a comprehensive pollution load index of each monitoring point; traversing boundary critical points in all the monitoring points based on the comprehensive pollution load index and generating a boundary identification vector; the real-time pressure drop of the air inlet side and the air outlet side of the filter element in each fan is collected, and the pressure difference compensation gain is calculated; calculating a target reference rotating speed for all monitoring points in the responsible sector of each fan; and calculating the average pollution load index of the responsible sector of each fan, executing fuzzy reasoning to obtain a rotating speed increment, and generating a PWM duty ratio according to the target reference rotating speed and the rotating speed increment to drive each fan. The technical problems of space pollution response lag and energy consumption imbalance are solved, and the performance of the air purification system is improved.

A system for cleaning, zeroing, and preventing air pollution in indoor space includes several gas detection devices, a central control monitoring device, and several gas exchange and filtration devices. The gas detection devices detect and output indoor and outdoor air pollution data. The central control monitoring device receives the outdoor and indoor air pollution data to perform an intelligent computation and comparison, locate an air pollution location in the indoor space, and transmit a control command intelligently. Each of the gas exchange and filtration devices is combined with a smart switch for the control command to control the gas exchange and filtration devices to be enabled, so that the air pollution is filtered and exchanged by the gas exchange and filtration devices, thereby allowing the indoor air pollution data detected by the gas detection devices in the indoor space to be a safety detection value.

1. The name of the design product: water ion generator. 2. The use of the design product: air purification and odor removal for cat litter tray. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model discloses an air pressurizing and purifying box for a plateau pressurizing cabin, which relates to the field of air pressurizing and purifying and comprises a lower shell, an air outlet filter and an air inlet filter, and the air outlet filter is fixedly arranged on the side wall of an air outlet filter support. Through the arrangement of the air inlet filter and the air outlet filter, air is filtered by the air inlet filter and then conveyed into the pressure pump, then the pressure pump can pressurize the air, and the pressurized air can be conveyed into the air outlet filter through the connecting mechanism; aCF (activated carbon fiber) filter elements in the air inlet filter and the air outlet filter have relatively large surface areas, rich micropores, high adsorption capacity and relatively high removal efficiency on harmful gas and odor in air, a box body is made of high-strength light aluminum alloy, then the air is compressed by a pressure pump, dust particles, peculiar smell and moisture are removed by an air purification system, and the air is purified by an air purification system. Clean compressed air is conveyed into the cabin through the hose, and the pressurization effect is achieved.

1. Name of the product in this design: Office Air Purifier. 2. Purpose of this design: For office air purification and disinfection. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application discloses a kind of synergistically modified decorative functional composite board and preparation method thereof.The board is all inorganic system, by substrate layer, inorganic hydrophilic expansion stress compensation layer, inorganic modulus transition layer and photocatalytic functional surface layer superposition.The compensation layer can produce reversible expansion with humidity, offset the shrinkage internal stress of board;Transition layer matches the mechanical properties of each layer, improves structural stability.The application can effectively prevent board warping, cracking and delamination, has air purification function, and there is no problem of organic component being photocatalytically oxidized, simple process, easy industrialization.

This application relates to the field of air conditioning technology and discloses an air purification device. The air purification device includes a duct assembly, a fan, an air purification component, and a filter screen. The duct assembly has a purification duct and an air inlet and an air outlet connecting the purification duct. The fan drives air to flow from the air inlet to the air outlet. The air purification component is slidably disposed on the duct assembly and is used to atomize water into droplets and charge the droplets within the purification duct. The filter screen is disposed opposite to the air purification component in the purification duct, and the relative distance between the air purification component and the filter screen is adjusted when the air purification component slides. This application also discloses a household appliance.

The utility model relates to the technical field of air purification and environmental protection, and discloses a multi-stage filtering and recycling device for paint aerial fog, which comprises a supporting table, a filtering box is fixedly mounted in the supporting table, one end of the filtering box penetrates through the supporting table, a sliding groove is formed in the filtering box, and the other end of the filtering box penetrates through the supporting table. And a filtering plate is movably mounted in the sliding groove. Compared with a traditional device, through cooperation of a limiting block, a first spring and a sliding groove, the device facilitates replacement of the filter plate, it is ensured that the device continuously and efficiently removes particulate matter and harmful ingredients in aerial fog through regular replacement of the filter plate, meanwhile, the blocked filter plate can increase the operation burden of the device, and the device is not prone to damage. The whole device can be effectively protected through regular replacement, the service life of the device is prolonged, in addition, the risks of fire disasters and explosions are reduced through regular replacement, and production safety is guaranteed.

This invention relates to an air purification device designed to remove a wide range of volatile and semi-volatile organic compounds from contaminated air The system integrates a chemical scrubber with an electrochemical reactor that generates ferrate(VI) solution in situ. The reactor uses two iron electrodes immersed in a 14 molar sodium hydroxide solution, powered by a direct current converter operating at 24 volts. Upon activation, ferrate(VI) ions are formed, indicated by a purple coloration in the solution. The ferrate(VI) solution is immediately circulated through a packed- bed scrubber, where it contacts the polluted air. Organic compounds are absorbed into the liquid phase and oxidized by ferrate(VI), resulting in cleaner air. The system is equipped with drainage for spent solution and can be integrated into industrial, laboratory, or indoor ventilation setups.

1. Name of the product in this design: Air Purifier and Disinfector. 2. Purpose of this design: for air purification, disinfection, and sterilization. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention belongs to the technical field of air purification, particularly relates to multi-stage cavity type air inactivation equipment, and aims to solve the problems that existing equipment wastes heat energy, is poor in airflow regulation and control and is easy to saturate activated carbon. The equipment comprises a machine shell, and a heat exchange section, a radiation sterilization section, a high-temperature inactivation section and a control unit are arranged in the machine shell; two high-temperature inactivation cavities connected in series and a wind power path regulation and control structure are arranged in the high-temperature inactivation section, and the air flowing path can be adjusted according to the airflow velocity; a radiation sterilization chamber, a light hydrogen ion generator and an activated carbon filter layer fixed on rotating blades are arranged in the radiation sterilization section, and the rotating blades can drive the filter layer to turn over for regeneration; the heat exchange section adopts an inner and outer double heat exchange tube structure, the heat exchange efficiency is improved by matching with a spiral guide vane and a radiating fin, the equipment realizes the effects of efficient inactivation, energy consumption reduction and maintenance cost reduction through the design of multi-stage collaborative sterilization, dynamic airflow regulation and control, heat energy recovery and activated carbon regeneration, and is suitable for various scenes with higher requirements on air purification.

The utility model discloses a cooling tower with an air inlet purification function, which comprises a cooling tower main body, a water distribution pipe is fixedly arranged in the cooling tower main body, a water collecting tank is arranged below the water distribution pipe, the bottom of the right side of the cooling tower main body is communicated with an air inlet pipe, and the middle part of one end of the air inlet pipe is communicated with a purification box. And filter screen plates with different mesh numbers are sequentially mounted in the purification box from top to bottom. The purification box is arranged at the air inlet pipe, and the filter screen plates with different mesh numbers are sequentially mounted in the purification box from top to bottom, so that air entering the cooling tower can be filtered in a graded manner, particle impurities with different sizes are effectively removed, the air inlet quality is improved, the air purification effect is greatly enhanced, impurities entering the cooling tower main body are reduced, and the service life of the cooling tower main body is prolonged. The risks of blockage and damage of parts such as the interior of the water distribution pipe and the interior of the water collecting tank due to impurity accumulation are reduced, and the service life of the cooling tower is prolonged.

The utility model discloses an indoor air purification ventilation device relates to the fresh air system technical field, including the shell, and the shell is the half closed box formula structure of back open, and the shell inside is equipped with the face shell subassembly, and the shell is fixed with the backplate subassembly through the face shell subassembly connection, and the backplate subassembly vertical installation is fixed on the wall, and the backplate subassembly back upper side is equipped with the filter component, and the wall is equipped with the through -hole with filter component cooperation. The utility model discloses through the cooperation of face shell subassembly and backplate subassembly, the device forms semi -closed environment to be able to draw outdoor air through negative pressure environment, improves the practicality, realizes the ability of indoor ventilation, and then through the cooperation of backplate subassembly and filter component, the filter core is kept to the purification ability of device through the cooperation of backplate subassembly and filter component, improves the practicality, realizes the ability of quick replacement filter core, and finally solves the problem of existing equipment dismounting difficulty and filter core replacement difficulty.

The utility model discloses an air supply purification and sterilization device for a cold island air conditioner, which relates to the technical field of air purification, and comprises an air conditioner body, the top of the air conditioner body is rotatably connected with a box cover, the inner wall of the air conditioner body is provided with a mounting plate, the bottom of the mounting plate is provided with a filter plate, and the outer side of the mounting plate is provided with a mounting assembly. A mounting frame is fixed to the inner wall of the air conditioner body, and a lamp tube is mounted on the inner wall of the mounting frame. The air conditioner has the following beneficial effects that the filter plate can be conveniently mounted or dismounted by arranging the mounting assembly, so that the situation that the pollution degree of indoor air is increased for a long time due to the fact that the filter screen is difficult to replace is prevented; and by arranging the cleaning assembly, the sterilization lamp tube can be conveniently cleaned, so that the sterilization efficiency of the ultraviolet lamp is further improved, the cleanliness of indoor air is conveniently kept, and indoor crowds are prevented from being infected with some bacteria or viruses.

The utility model belongs to the technical field of air conditioner outdoor unit cleaning devices, and particularly relates to an air cleaning gun for maintenance of an air conditioner outdoor unit, which comprises a mounting block, an air outlet pipe is arranged in the middle of the mounting block, an umbrella-shaped dust collecting component is sleeved on the air outlet pipe, and the dust collecting component comprises a collecting ring groove sleeved at the root of the air outlet pipe. A plurality of carbon steel bars are arranged on the collecting ring groove, connecting rings are arranged at the ends of the carbon steel bars and movably connected with carbon steel rings, the carbon steel rings are opened, limiting devices are arranged at the openings of the carbon steel rings, and leather cloth is arranged on the carbon steel bars. According to the air conditioner outdoor unit, dust in the air conditioner outdoor unit can be blown through the air outlet pipe, meanwhile, the dust can be adsorbed into the dust collecting box, the air conditioner outdoor unit can further adapt to an uneven special-shaped structure in the air conditioner outdoor unit, raised dust is reduced, and the dust cleaning effect is improved.

This utility model discloses a photocatalytic formaldehyde removal device, relating to the field of air purification equipment technology. It includes an outer casing, inside which is a photocatalytic formaldehyde removal system and a main controller. The front has a circular air outlet, and the back has a square air inlet. Below the air outlet is a touch panel. Outside the air outlet is a guide mechanism consisting of a guide rod and a collection box. Inside the outer casing is a slidably connected compartment. The guide rod is an inverted L-shaped plastic rod with an arc-shaped guide groove. The bottom of the collection box has a long-diameter square tube. The compartment has a ring handle and a sliding buckle. This formaldehyde removal device can efficiently collect water vapor and dirt generated by photocatalytic decomposition, facilitating cleaning, improving air intake and formaldehyde removal efficiency, and has a stable and reliable structure.

The utility model discloses an air dehumidification and humidification device, including air purification tank, the air purification tank inside is separately provided with baffle no.

The invention discloses a composite antibacterial air filtering material as well as a preparation method and application thereof. According to the preparation method, plant fibers, glass fibers and single-layer or double-layer silver-loaded nanocellulose (CNC / BC) are compounded, wet forming is adopted, and a liquid nitrogen freezing-freeze-drying process is combined, so that the composite antibacterial air filtering material is prepared. An axially ordered fiber network and a multi-stage pore structure are formed in the air filtering material, and the air filtering material has excellent mechanical property, filtering property and antibacterial property, is suitable for air purification in multiple scenes such as medical treatment and industry, and has a good industrial application prospect.

The invention relates to the technical field of air purification, in particular to an air filter device for preventing and controlling atmospheric pollution, which comprises a casing, a mounting hoop and a plurality of through grooves formed in the outer side of the casing, a plurality of arc-shaped plates are arranged on the inner side of the casing and form a cylinder, flexible filter plates which are connected with one another are arranged on the outer sides of the arc-shaped plates, and the through grooves are formed in the outer side of the casing. According to the air filter device for preventing and treating the atmospheric pollution, the arc-shaped plates are driven to deform through the arranged filter adjusting mechanisms, the flexible filter plates connected with one another are driven to stretch out and draw back synchronously, and therefore the air filter device for preventing and treating the atmospheric pollution can be used for preventing and treating the atmospheric pollution; when the pollution concentration suddenly rises, the filtering area can be increased, the filtering speed is prevented from being too high, the pressure drop suddenly rises and the filtering efficiency is prevented from being reduced, when the concentration is low, the area is reduced, the filtering capacity redundancy is reduced, the energy consumption and the operation and maintenance cost are reduced, and the filtering requirements in different environments are met.

1. Name of the product in this design: Humidifying Air Purifier. 2. Purpose of this design: A device that integrates air purification and humidification functions. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The utility model relates to the field of environmental engineering and industrial air purification, in particular to efficient dust removal equipment for sand blasting waste gas. The utility model provides efficient dust removal equipment for sand blasting waste gas, which comprises a first shell, an air inlet, an air outlet, a connecting plate and the like, the lower left side of the first shell is connected with the air inlet, the upper right side of the first shell is connected with the air outlet, and the connecting plate is slidably connected inside the first shell. Through the arrangement of a double-shaft motor, rotating shafts and centrifugal blocks, the double-shaft motor drives the rotating shafts at the two ends to rotate, the centrifugal blocks on the two rotating shafts rotate along with the rotating shafts and generate centrifugal force, and the centrifugal force is transmitted to a connecting plate through a specific mechanical structure to promote the connecting plate to drive a plurality of filter bags to reciprocate up and down; dust attached to the surfaces of the multiple filter bags falls off due to shaking, the multiple filter bags are effectively prevented from being blocked, it is ensured that the multiple filter bags always keep efficient filtering performance, and meanwhile, the dust removal effect is further enhanced in cooperation with compression and reset actions of the multiple elastic pieces.

The utility model relates to the technical field of air purification equipment, and discloses a fresh air dehumidifier filtering device which comprises a main body structure and an adjusting structure, the top of the main body structure is provided with the adjusting structure, the main body structure comprises a dehumidifier main body, a filtering chamber is formed in the dehumidifier main body, and the dehumidifier main body is provided with an air inlet. A limiting sliding groove is formed in the inner wall of the filtering chamber, three mounting frames are slidably connected into the limiting sliding groove, the mounting frames are pulled out of the filtering chamber along the limiting sliding groove by opening the sealing door and pulling the mounting frames, and a primary-efficiency filter screen, a medium-efficiency filter screen and a high-efficiency filter screen are installed in the three mounting frames from left to right correspondingly. After the positioning grooves in the filter screens are aligned with the fixing grooves in the mounting frame, the reset springs in the fixing grooves apply outward acting force to the fixing blocks, so that the fixing blocks are separated from the fixing grooves and clamped into the positioning grooves, and the three filter screens are limited and fixed. And the filter screen can be conveniently replaced and cleaned in the later period.

The invention discloses an air purification device for a cat litter basin, and belongs to the technical field of cat litter basins. Comprising an installation part, a first panel and a second panel are detachably installed on the installation part and form a first gas area and a second gas area which are communicated with the installation part respectively, and gas is mixed in the two areas. The filter and the negative pressure fan are detachably arranged on the mounting piece, the filter is arranged in the second gas area, and the negative pressure fan is opposite to the filter. The first panel is detachably connected with the cat litter basin, and air in the cat litter basin enters the first air area through an air inlet hole; and the mounting piece is provided with a gas discharge port for discharging the mixed and filtered gas. According to the device, a gas circulation and purification path is constructed through collaborative design of the mounting piece, the first panel and the second panel. The detachable installation structure enables the core part to be replaced and maintained more conveniently, the embedded groove ensures that the device is stably connected with different cat litter basins, and the product adaptability and the use flexibility are improved.

The invention discloses an in-vehicle purification material and a preparation method and application thereof, and relates to the technical field of in-vehicle air purification, the purification material provided by the invention is a perovskite type metal oxide catalyst with a three-dimensional ordered macroporous structure, has excellent catalytic activity and poisoning resistance, and is suitable for in-vehicle air purification.

An airflow system for buildings and a method of using the same are disclosed to provide pollution mitigation for occupants of a building. The airflow system includes: at least one air purification system for providing purified air and receiving recirculated air; at least one supply air assembly for supplying purified air from the air purification system to at least one internal airflow space, the internal airflow space including one or more of a corridor, cafeteria, restroom, and elevator; at least one return air assembly for returning recirculated air from at least one internal airflow space to at least one air purification system; directional airflow formed between the supply air assembly and the return air assembly, and including at least one or more of a directional airflow field around each occupant, an air barrier located between each occupant, and an airflow field around each occupant; and at least one control system for controlling the airflow system. The airflow system provides pollution mitigation for each occupant.