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1237 results about "Air cleaning" patented technology

Method and system for prompting replacement of efficient filter screen of air purifier

The invention relates to the field of household appliances, and discloses an air purifier efficient filter screen replacement prompting method and system.The method comprises the steps that firstly, air adsorption data are obtained, and the concentration of pollution particles is recognized to determine a filter screen load mode; analyzing the use state of the filter screen, and performing attenuation detection in combination with historical replacement records to obtain attenuation data; calculating the service residual life according to the attenuation data, evaluating a purification index, generating a filter screen efficiency index in combination with the environment air quality, and dividing replacement levels; then configuring multi-order prompt information according to levels, determining a filter screen edge area, calculating a penetration rate and positioning a weak part; and finally, generating a local failure graph, extracting failure interference factors, constructing adaptive replacement logic and formulating a replacement prompt scheme. The filter screen utilization rate can be increased, and the purification efficiency can be guaranteed.
Owner:SHENZHEN BOLE SHENGSHI TECHNOLOGY CO LTD

Air cleaner

Disclosed is an air cleaner. The air cleaner includes a case including a suction port disposed on a peripheral surface of the case, an air cleaning module including a blower fan disposed in the case and a filter configured to remove foreign matter from air introduced through the suction port, and a booster module disposed above the air cleaning module. The booster module including a head cover, a discharge port disposed inside the head cover, the discharge port including a ring-shaped inner grille having a central cavity, a display panel disposed in front of the inner grille, a front drive part connected to the display panel through the central cavity of the inner grille, and a first motor configured to move the display panel in a first direction.
Owner:LG ELECTRONICS INC

Sensor cleaning system

A sensor cleaning system for cleaning an environment sensor includes: an air cleaning system configured to clean an environment sensor by spraying compressed air; a washer fluid cleaning system configured to clean the environment sensor by spraying washer fluid onto the environment sensor; a suction cleaning system configured to suck around the environment sensor; and a controller configured to control the air cleaning system, the washer fluid cleaning system, and the suction cleaning system.
Owner:HYUNDAI MOTOR CO LTD +1

Multi-mode intelligent sterilization and deodorization air purification method and system facing pet environment

The invention discloses a multi-mode intelligent sterilization and deodorization air purification method and system for a pet environment, and belongs to the technical field of smart home, and the method comprises the following steps: collecting pet motion data and predicted pollution event probability and position; matching and outputting a pollutant category label and identifying the pollutant concentration; calculating a concentration estimation value of the pollutant in the indoor space grid in a future period of time; calculating the starting intensity and the energy consumption estimation value of the module in the corresponding area; and mapping the purification strategy matrix into an equipment control instruction through a power mapping function, and broadcasting the equipment control instruction to a corresponding equipment node. By constructing a closed-loop control structure from perception recognition to prediction to control feedback, the timeliness, the adaptability and the energy efficiency ratio of the pet environment air purification system are remarkably improved.
Owner:COMPONEX ELECTRONICS CO LTD

Air purification module applied to air conditioner

The utility model discloses an air purification module applied to an air conditioner, the air conditioner is provided with a return air inlet and an air outlet, the air purification module comprises a mounting frame and a filtering device, and the filtering device is arranged on the mounting frame, corresponds to the return air inlet and is used for filtering air flowing into the return air inlet; the air purification module further comprises an air guide plate, and the air guide plate is arranged on the installation frame, corresponds to the air outlet and is used for guiding airflow flowing out of the air outlet. According to the utility model, the placing pressure is not increased, and the device is combined with the air conditioner to be used, so that indoor air is purified, fins of the air conditioner are protected to be clean, cleaning of the air conditioner is reduced, and microorganisms such as bacteria and molds in the air are reduced; meanwhile, air flowing through the air conditioner can be filtered at a time, the air outlet direction of the air conditioner is gently changed, and the problems that an existing air purifier is large in noise, large in occupied indoor space and low in air circulation efficiency are solved.
Owner:SHAOXING LIJING TECHNOLOGY CO LTD

Air purification system based on intelligent perception and self-adaptive regulation and control method thereof

The invention belongs to the technical field of intelligent control, and particularly relates to an air purification system based on intelligent perception and a self-adaptive regulation and control method thereof. Comprising a multi-dimensional environment perception unit, an environment data fusion and modeling unit, a self-adaptive regulation and optimization decision unit, a modular air purification execution unit and a man-machine interaction and user preference setting unit. According to the method, multi-element parameters are collected, fusion modeling is carried out, a pollution source is identified and predicted, a multi-target optimization algorithm is applied to generate an optimal purification strategy, and then a purification execution unit is controlled. The indoor air quality can be finely and dynamically managed, the purification efficiency is remarkably improved, energy consumption, operation noise and the service life of a filter material are intelligently balanced, and a personalized healthy breathing environment is provided.
Owner:SHENZHEN JIALENG ENVIRONMENTAL TECH CO LTD

Unpowered air purification device based on electrostatic adsorption and negative ion effects

The invention discloses an unpowered air purification device based on electrostatic adsorption and negative ion effects, and relates to the technical field of air purification, the unpowered air purification device comprises a ventilation pipeline, an electrostatic adsorption module, a particle capture net, a negative ion release module and the like, a wind scooper guides airflow to enter the electrostatic adsorption module, and a friction ball rubs with an electrode plate to enable the electrode plate to be electrified; particulate matters in the air are adsorbed, falling particulate matters are collected by a liquid collecting box, residual particulate matters are further intercepted by a particulate capturing net, the elastic design is convenient for shaking off and cleaning, and the negative ion release module accelerates the generation of negative ions and purifies the air by utilizing the solar thermal conversion and piezoelectric effect. Efficient air purification is achieved through a multi-stage purification structure, the functions of humidity adjustment, intelligent reminding and the like are achieved, the structure is simple, energy conservation and environment protection are achieved, the device can adapt to various scenes, and an innovative scheme is provided for solving the air pollution problem.
Owner:SHANGHAI FLORY ENVIRONMENT TECH CO LTD

Air purification filter element control method and system based on environment perception

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.
Owner:SHENZHEN ZHONGJIAN NANFANG ENVIRONMENT CO LTD

Clean storage system for household breathing machine

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.
Owner:HUNAN TAIYANGLONG MEDICAL TECH

Flameout control method, system and equipment for gas heating water heater and medium

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.
Owner:GUANGDONG MACRO GAS APPLIANCE

Air purification and temperature and humidity coordination control method and system for central air conditioner

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.
Owner:BEIJING SANHUI NENGHUAN TECH DEV CO LTD

Range hood control method and device, intelligent range hood and storage medium

The invention relates to the technical field of intelligent household appliances, and discloses a range hood control method and device, an intelligent range hood and a storage medium. Whether the air quality data meet preset conditions or not is detected; when the air quality data does not meet the preset condition, the current working mode and air opening configuration information are determined; according to the working mode, the tuyere configuration information and the air quality data, each tuyere is controlled to conduct air purification on the target space, and therefore the situation that due to the behavior of manual selection of a user, the purification mode does not correspond to the actual air quality data is avoided, and meanwhile the control real-time performance of the range hood is improved.
Owner:FOSHAN VIOMI ELECTRICAL TECH

Indoor air cleaning system

An indoor air cleaning system includes a gas detection module, an air cleaning device and a central control device. The gas detection module includes a microcontroller and a central control communication interface component. The microcontroller performs a computation and outputs regulation signals based on air pollution data. The air cleaning device includes a fan, a filter element and a driving control component. The central control device provides an operation instruction to the gas detection module for guiding air pollution to pass through the filter element, thereby making an air pollution state of an indoor field specified by accumulated numbers of 1 nm-2.5 μm suspended particulates detected by the gas detection module within 24 hours to meet a cleanliness of ZAPClean room 1-12.
Owner:MICROJET TECH

Air quality evaluation method and device, air purification equipment and storage medium

The invention relates to the technical field of intelligent control, and discloses an air quality evaluation method and device, air purification equipment and a storage medium, and the method comprises the steps: obtaining original monitoring data of various pollutants; performing format conversion on each piece of original monitoring data to correspondingly obtain standard data, which comprises the following steps of: respectively determining air quality standard limit values of various pollutants; respectively dividing the original monitoring data of various pollutants by corresponding air quality standard limit values to correspondingly obtain standard data; respectively determining the current weight of each standard data, and calculating an air quality index by utilizing all the standard data and the corresponding current weight; and determining the current quality grade corresponding to the air quality index, and controlling the air purification equipment to perform corresponding work based on the current quality grade. According to the invention, format conversion is carried out on the original monitoring data, the current weight of the data is determined, the air quality index is calculated, the quality grade corresponding to the air quality index is determined to control equipment work, air quality can be comprehensively quantified, and the evaluation precision is improved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Clean isolation cabin for installing modular integrated reactor

The utility model discloses a cleaning isolation cabin for installing a modular integrated reactor. The cleaning isolation cabin comprises a main cabin body, a movable ceiling, a bearing base, air purification equipment, an electric control box body, an air shower, an illuminating lamp and a monitoring camera, the main cabin body is mounted on the bearing base, the upper end of the main cabin body is opened to form a hoisting opening, and the movable ceiling is correspondingly and horizontally arranged on the hoisting opening; an isolation cabin access port communicated with the outside is formed in the circumferential direction of the main cabin body, the air shower is correspondingly arranged on the outer side of the isolation cabin access port, and an outlet of the air shower is communicated with the isolation cabin access port; the air purification equipment is communicated with the interior of the main cabin body, the electric control box body is arranged on the inner peripheral wall of the main cabin body, and the illuminating lamp and the monitoring camera are arranged at the top of the inner peripheral wall of the main cabin body. The clean isolation cabin has the advantages that repeated investment can be reduced, large-range isolation space is avoided, manpower and material resource investment can be reduced, the construction period of nuclear facility engineering is shortened, and economic efficiency is improved.
Owner:TONGFANG INDAL

Air purification device and control method

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.
Owner:EAST CHINA UNIV OF SCI & TECH

Air self-adaptive purification control method and device, terminal equipment and storage medium

The invention is applicable to the technical field of data processing, and provides an air adaptive purification control method and device, terminal equipment and a storage medium, and the method realizes dynamic adaptive power adjustment by constructing a pollution gas coupling kinetic model. A historical concentration mean value, a nonlinear response mechanism and periodic change characteristic parameters are introduced into the model, low power can be kept in low pollution, the purification efficiency can be rapidly improved in high pollution, the pollution trend can be pre-judged, the power can be adjusted in advance, and energy waste is avoided. The multi-pollutant synergistic effect is considered, interaction of different gases is treated in a cross term mode, the purification priority is distributed according to hazard index differentiation, and energy consumption generated by excessive treatment of low-hazard pollutants is reduced. According to the method, dual-mode switching is achieved in combination with hazard index comparison, dynamic balance of energy consumption and the purification effect is achieved while the purification effect is guaranteed, compared with a traditional linear control and single pollutant treatment mode, energy consumption control is more intelligent and efficient, and energy consumption of the air purification system can be effectively reduced.
Owner:JIANGXI JIHAI REFRIGERATION EQUIP

Air purification device for operating room

The invention provides an operating room air purification device, and relates to the technical field of medical environment disinfection, the operating room air purification device comprises a disinfection channel, the disinfection channel is internally provided with two groups of annular grooves, the bottoms of the annular grooves are provided with through holes, and annular cotton strips are fixedly arranged in the annular grooves; a secondary filtering channel and a conveying channel are fixedly arranged on the two sides of the disinfection channel respectively; a recoverer is fixedly arranged at the bottom of the disinfection channel and is positioned between the secondary filtering channel and the conveying channel; a filter pipe shaft matched with a bearing is rotationally arranged between the secondary filter channel and the conveying channel, and the middle of the outer part of the filter pipe shaft is of an eight-prismatic structure; efficient disinfection and air purification functions are provided, alcohol is driven by centrifugal force to evenly soak annular cotton strips, air is in full contact with the alcohol to complete disinfection when penetrating through a filter cotton ring in combination with airflow generated by a variable-volume structure, alcohol steam is doubly intercepted by a filter cotton belt and a filter cotton plate, the disinfection effect is guaranteed, and the humidity of output air is reduced; the integration of disinfection and purification is realized.
Owner:SUZHOU WOODI PURIFICATION SYST

Household indoor air purifier

The invention relates to the field of air purifiers, in particular to a household indoor air purifier which comprises a purifying mechanism used for purifying air and a rail frame used for being installed on a roof, a sliding frame is arranged on the rail frame in a sliding mode, a connecting arm is connected between the sliding frame and the purifying mechanism, and the purifying mechanism slides on the rail frame through the sliding frame. The purification mechanism is driven to move indoors, and the height of the purification mechanism is controlled through stretching and retracting of the connecting arm. The track frame comprises a fixing plate fixed to the roof, and an inverted-T-shaped track is fixed to the lower end of the fixing plate. The sliding frame comprises a sliding base, step wheels are rotationally arranged at the four corners of the sliding base, the four step wheels symmetrically roll on the two sides of the inverted-T-shaped rail in pairs, and a center shaft is vertically fixed to the center of the lower end of the sliding base. The rails are arranged on the indoor roof, so that the purification mechanism can circularly move along the rails, and the purification efficiency is improved.
Owner:合肥亚摩斯电气有限公司

Fan rotating speed adjusting method and system based on dynamic pollution load

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.
Owner:SHENZHEN ZHONGJIAN NANFANG ENVIRONMENT CO LTD

System for cleaning, zeroing, and preventing air pollution in indoor space

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.
Owner:MICROJET TECH

Water ion generator

ActiveCN309670394SLitterAir cleaning
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.
Owner:FOSHAN FANCO ELECTRONICS CO LTD +1

Air pressurization purification box for plateau pressurization cabin

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.
Owner:XIAN DONGFENG INSTR FACTORY

Office air purifier

ActiveCN309964409SAir purifiersAir cleaning
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.
Owner:GUANGZHOU NAT LAB +1

A synergistically modified functional composite board for decoration and a preparation method thereof

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.
Owner:TANGSHAN WEISEN NEW MATERIAL CO LTD

Air purifying device, household appliance

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.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD

Multi-stage filtering and recycling device for paint aerial fog

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.
Owner:HEFEI SHENGTONG MASCH PROCESSING CO LTD

Air purification device using a chemical scrubber and electrochemically generated ferrate(VI) solution

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.
Owner:UNIV UTE

Air purification treatment equipment for building construction site

The invention discloses air purification treatment equipment for a building construction site, and relates to the technical field of air purification treatment equipment. Comprising a barrel, the inner side of the top of the barrel is provided with an inclined edge, the inner wall, close to the inclined edge, of the barrel is fixedly connected with a fixing ring, the inner wall of the fixing ring is rotationally connected with a plurality of rotating assemblies, the ends, away from the fixing ring, of the rotating assemblies are rotationally connected with a middle ring, and the rotating assemblies are evenly distributed with the middle ring as the center. According to the air purification treatment equipment for the building construction site, vertical ascending airflow is formed through bottom air inlet and top air exhaust, so that the flowing path of dusty gas or waste gas in the equipment is more stable and uniform, local airflow short circuit is avoided, and the risk that untreated gas is directly exhausted is reduced; the inclined surfaces of the guide plates can guide airflow to be discharged along a smooth path, and the residence time of the airflow at the top of equipment is shortened.
Owner:XINGTAI TENGYAO CONSTR ENG CO LTD

Air purification device for dust-free laboratory

The utility model provides an air purification device for a dust-free laboratory, and relates to the technical field of air purification of the dust-free laboratory, the air purification device comprises a filter box and a known fan arranged at an air outlet of the filter box, the inner wall of the filter box is provided with a plurality of notches along the air flowing direction, the notches are arranged in an arc shape, and the circle centers of the notches are positioned outside the filter box; a plurality of notches are formed in the filter box, a rotating shaft passing through the circle centers of the notches is rotationally connected to the outside of the filter box, the rotating shaft is arranged, a rotating plate is mounted on the rotating shaft, and two filter pieces are mounted on the rotating plate, so that air treatment can be realized only by transferring one filter piece on the rotating plate into the filter box in actual use; and when the filter part in the filter box needs to be cleaned, the other filter part enters the filter box through rotation of the rotating plate to continuously purify the air, and the filter part which is used for a period of time before is transferred out of the filter box, so that personnel can conveniently carry out cleaning, replacement and other operations.
Owner:SUZHOU ZHONGCHUN CONSTR CO LTD