2761 results about "Air cleaning" patented technology

The invention discloses an efficient and energy-saving industrial air purification system and method, and particularly relates to the technical field of air purification. The burden of the subsequent stage is reduced by introducing the primary treatment of the low-resistance filter; a dynamic plasma technology and a nano-porous adsorption material are combined, so that deep purification of complex pollutants is realized; by utilizing an intelligent monitoring and control technology, equipment operation parameters are adjusted in real time so as to optimize the purification efficiency; waste heat is recovered through a heat exchange technology, and energy consumption stability is evaluated; according to the energy consumption condition, the operation intensity is dynamically adjusted or clean gas is recycled and discharged, the removal efficiency of pollutants in high-temperature and high-speed airflow is remarkably improved, the service life of equipment is prolonged, the energy consumption of the system is reduced, and long-term stable and efficient operation of the industrial air purification system is ensured.

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.

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.

The invention discloses a self-cleaning mechanism of a differential rotation type multi-stage air purification filter cartridge, and relates to the technical field of air purification equipment. The device comprises a purification shell, a first filter cartridge is arranged in the purification shell, the surface of the first filter cartridge is sleeved with a second filter cartridge, and the surface of the second filter cartridge is sleeved with a third filter cartridge; a driving assembly is arranged at the top of the purifying shell and comprises a driving motor arranged at the top of the purifying shell and a transmission rod installed at the output end of the driving motor. Through meshing transmission of a sun gear and a planetary gear in the driving assembly, differential rotation of the first filter cartridge and the second filter cartridge is achieved, attached particles are stripped in a layered mode through centrifugal force, the self-cleaning efficiency is remarkably improved, the differential design breaks through a static filtering mode of a traditional filter cartridge, particulate matter deposition inertia can be actively destroyed, and surface dust accumulation of a filter material is reduced; the problem of filtering efficiency attenuation caused by dust accumulation is avoided, the service life of the filter cartridge is prolonged, and the maintenance frequency is reduced.

The utility model provides an air purification filter performance detection and verification device, including a detection component, which includes a bottom plate, a mixing box, a first sealing sleeve, a feeding pipe, a blower, a groove, and a screw. The utility model places the air purification filter in the first sealing sleeve, starts the drive motor to drive the connecting block to move through the screw, and the connecting block drives the second sealing sleeve to move through the connecting box, and the air purification filter is fixed and sealed by the first sealing sleeve and the second sealing sleeve, and dust is added to the mixing box through the feeding pipe. The blower moves the first sealing sleeve of the dust in the mixing box to the inside of the air purification filter, and then sprays it into the dust storage box along the air outlet of the air purification filter through the second sealing sleeve, the connecting pipe and the hose. The dust sensor can give the concentration of the dust test to the connecting pipe, and transmit the data to the processor for processing. After processing, the data is displayed through the display screen, and the operation is simple and convenient.

An indoor air cleaning system is disclosed and includes an air pollution treatment device, and a networked cloud computing service device. The air pollution treatment device includes an air cleaning device, a central control and regulation device and a communication module for detecting, locating, circulating and filtering the air pollution in an indoor field. A gas detection module detects and transmits air pollution data to the communication module. The central control and regulation device communicates with and controls the gas detecting module, to control the air cleaning device for filtration. The networked cloud computing service device receives and stores the air pollution data to form an database. A control command is intelligently selected, and transmitted to the gas detection module. Consequently, the air cleaning device is controlled to filter the air pollution, and a gas state in the indoor field reaches a clean room requirement of ZAPClean Room 1˜9.

The invention relates to the technical field of biochemical engineering and food processing, in particular to a fish collagen extraction process which comprises the following steps: S100, raw material pretreatment; s200, carrying out crushing and enzymolysis pretreatment; s300, carrying out an enzymatic hydrolysis reaction; s400, carrying out solid-liquid separation; s500, carrying out concentration treatment; and S600, drying treatment is carried out. The advanced spectrum analyzer is used for accurately determining the freshness of the fish body, the automatic cutting and ultrasonic cleaning technologies are combined, the quality of raw materials is effectively guaranteed, the enzymolysis reaction conditions are strictly controlled through the high-precision metering pump and the heat exchange system, the enzymolysis efficiency and the product quality are improved, and the production cost is reduced. By adopting a multi-layer composite membrane structure and a specific concentration technology, the efficiency and purity of solid-liquid separation and concentration treatment are remarkably improved, the production process is optimized, the energy consumption and the cost are reduced, pollutants in the production process are effectively removed through application of a plasma cleaning and air purification system, and the product quality is improved. And reliable guarantee is provided for production of high-quality fish collagen products.

A seat ventilation device for vehicles which is configured to perform both an air cleaning function and a seat ventilation function, and is operated to perform one selected function. The seat ventilation device includes a base duct mounted in a seat and having an indoor outlet configured to discharge air to an interior of a vehicle, a blower assembled with the base duct, configured to intake air in the interior of the vehicle and selectively connected to the indoor outlet, a cover duct mounted on the base duct and having a seat outlet selectively connected to the blower so as to discharge air to the seat, an air cleaning module mounted on the blower so as to filter the air taken in through the blower, and an opening and closing door located in the cover duct and configured to open selectively either the seat outlet or the indoor outlet.

The invention provides an indoor air purification method, which comprises the following steps of: comparing and analyzing airflow organization characteristics and particulate matter distribution conditions under different ventilation strategies, evaluating the effectiveness of various ventilation modes for controlling infection risks in a hospital, and screening out a target ventilation system design scheme, so that the target ventilation system design scheme meets the requirements of hospital air quality standards; on the basis of the screened target ventilation system design scheme, the arrangement of an air supply outlet, the air speed and the temperature are further optimized, and a large vortex simulation technology is adopted to conduct refined simulation on the airflow turbulence characteristics of a local area so as to verify the stability and reliability of the ventilation effect; and comprehensively evaluating the influence of the optimized ventilation system design scheme on the overall energy consumption of the hospital, carrying out economic analysis, balancing the energy-saving benefit and the sensing control effect, finally determining an enforceable airflow organization optimization strategy and supporting measures, and providing a customized sensing control solution for the hospital.

A pot system and apparatus comprises an outer shell, an inner vented container configured to fit inside the outer shell, the inner vented container further comprising: a top lip, an upper basket, and a soil chamber, the pot system being configured to prevent root rot, provide air pruning, and to foster bacterial growth and air circulation to passively scrub indoor air.

The invention relates to the field of mine mining, and discloses a mine efficient mining intelligent ventilation system which comprises an intelligent monitoring module, the intelligent monitoring module is installed in a mine, environment information in the mine is collected, and the collected information is transmitted to a central control module; the intelligent monitoring module is connected with a central control module, and the central control module is the core of the whole system, receives parameter information transmitted by the intelligent monitoring module, and controls the ventilation equipment module to start according to the parameter information. According to the air purification module, various treatment modes including multi-stage filtration, oxygen supplement, catalytic oxidation, chemical spraying, adsorbent purification, catalytic combustion and the like are adopted for different harmful gases. Therefore, the system can effectively remove various pollutants in mine air, air quality is improved, and health and safety of workers are guaranteed.

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.

The invention belongs to the technical field of welding positioning fixtures, and particularly relates to a welding positioning fixture for an electric welding machine, which comprises a worktable, supporting blocks are symmetrically arranged on the worktable, clamping assemblies for limiting workpieces are arranged on the supporting blocks, driving assemblies are arranged on the side surfaces of the supporting blocks, and a frame is arranged in the worktable. A mounting groove is formed in the frame, exhaust fans are symmetrically mounted in the mounting groove, a heat recovery assembly is arranged in the frame, and an adsorption assembly used for purifying waste gas is arranged in the flowing groove. According to the welding positioning clamp for the electric welding machine, flue gas particles generated during welding can be conveniently and rapidly filtered and purified through the ventilation grooves, an exhaust fan works to extract air in the flowing groove, and then flue gas generated during metal plate welding can flow into the flowing groove through air inlet holes; particulate matters carried by the air can enter the ventilating slot, and the filter screen can intercept and adsorb the flue gas particulate matters carried by the air, so that the aim of purifying the air is fulfilled.

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.

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.

The utility model relates to the technical field of industrial system air purification filters, and particularly discloses a V-shaped filter which comprises a filter element, a rubber line and an outer frame. And the filter element is positioned on an air circulation path in the filter and is formed by folding a whole piece of filter paper. The glue line is a continuous glue line and is adhered to the surface of the filter paper, and two ends of the glue line coincide with two ends of the filter paper. The outer frame is located on the peripheral side of the filter element, abuts against the filter element and is bonded with the glue line. The air filter has the effects of improving the purification air volume and meeting the industrial waste gas purification requirement.

The utility model discloses an air purification device with a self-cleaning air port, which relates to the self-cleaning field of air inlets and comprises an outer frame, a filter screen is fixedly mounted at one end of the outer frame, hole grooves are distributed in the end face of the filter screen, a containing frame is mounted at one end of the filter screen, the containing frame is of a hollow structure, and the hole grooves are communicated with the containing frame. An inner cavity of the filter screen is communicated with an inner cavity of the containing frame, and a strip-shaped groove is formed in the butt joint position of the filter screen and the containing frame; a cleaning mechanism penetrating to the position below the filter screen is installed in an inner cavity of the containing frame, a driving guide mechanism extending to the inner cavity of the filter screen is installed outside the filter screen, and the driving guide mechanism is used for driving the cleaning mechanism to move in a reciprocating mode. The cleaning mechanism is arranged, impurities accumulated on the filter screen are cleaned in a suction mode, and the effective self-cleaning effect is achieved.

Embodiments herein describe a method including using one or more air quality sensors and an air purifier to detect and adjust air quality within a structure having a heating, ventilation, and air conditioning (HVAC) system, the air purifier having a first variable speed fan in an intake channel and a second variable speed fan in an exhaust channel, and, in response to detecting an adverse air quality event within the building envelope by one or more sensors, automatically adjusting a speed of the first variable speed fan and a speed of the second variable speed fan (i) to maintain an air flow ratio between air inflow and air outflow within the HVAC system, (ii) to introduce increased fresh and filtered air flow from outside, (iii) to increase filtration of indoor air, (iv) to monitor the ERV and filter performance, and (v) to send relevant maintenance notifications to the user.

The invention discloses a high-efficiency low-resistance electrostatic spinning multi-layer filtering material for a mask filter element and a preparation method of the high-efficiency low-resistance electrostatic spinning multi-layer filtering material. The method comprises the following steps: firstly, dissolving ODA and PMDA raw materials in a solvent to prepare a first PAA solution; then, preparing the solution into a first bead-like PAA nanofiber membrane by utilizing an electrostatic spinning technology; the preparation method comprises the following steps: preparing a first PAA / ZIF-8 nanofiber layer, dissolving a ZIF-8 raw material in the first PAA / ZIF-8 nanofiber layer, mixing the ZIF-8 raw material with ODA and PMDA to form a second PAA / ZIF-8 solution, superposing second PAA / ZIF-8 nanofiber layers on the first PAA / ZIF-8 nanofiber layer above and below the first PAA / ZIF-8 nanofiber layer through an electrostatic spinning technology, and carrying out thermal imidization treatment to successfully prepare the multi-layer filter material with a ZIF-8 modified PI / bead-like PI / ZIF-8 modified PI structure. The preparation process provided by the invention is simplified and efficient, and the prepared bead-like multilayer filtering material not only has the characteristics of excellent filtering efficiency and low resistance, but also shows huge application potential in the field of air purification.

The utility model provides an environment-friendly composite filtering structure for an air purifier, which comprises a box body, an air inlet formed in the left side of the box body, an air outlet formed in the outer side of the box body, a pre-filtering plate arranged on the left side of the box body, a cleaning assembly arranged on the left side of the pre-filtering plate, and a groove formed in the right end in the box body, according to the environment-friendly composite filtering structure for the air purifier, the cleaning assembly can be used for cleaning particulate matter accumulated on the pre-filtering plate, the cleaning assembly can be used for cleaning the particulate matter accumulated on the pre-filtering plate, the cleaning assembly can be used for cleaning the particulate matter accumulated on the pre-filtering plate, and the cleaning assembly can be used for cleaning the particulate matter accumulated on the pre-filtering plate; in addition, the composite filter plate can be conveniently detached and replaced, the optimal performance state of the filter can be kept, and the service life of the air purifier is prolonged.

The invention relates to the technical field of pipeline monitoring, in particular to a construction method and system of a pipeline risk judgment model. The method comprises the following steps: generating compressed air by using an air compressor, and conveying the compressed air to a preset pipeline to obtain pipeline compressed air data; constructing an air purification model according to the pipeline compressed air data; performing air purification simulation according to the air purification model to obtain purified air data; detecting residual condensate water according to the purified air data to obtain residual condensate water data; performing pipeline corrosion identification based on the residual condensate water data to obtain pipeline corrosion data; predicting the pipeline perforation probability according to the pipeline corrosion data; accumulated solid particles are detected according to the purified air data, and accumulated solid particle data are obtained; and performing pipeline blockage analysis according to the accumulated solid particle data to obtain pipeline blockage data. Based on the pipeline monitoring technology, the accuracy and real-time performance of pipeline risk judgment are improved, and the pipeline safety recognition rate is remarkably increased.

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.

The invention relates to a positive pressure type air purification system and method for a limited space, by constructing a relatively closed space and adopting an efficient multi-stage filtering technology, the system can quickly remove particulate matters, bacteria, viruses and harmful gases in air, and the air quality in the limited space is remarkably improved. The positive pressure control method ensures that external polluted air cannot enter, and the cleanliness of the working environment is further guaranteed. The intelligent control system achieves remote monitoring and automatic adjustment through the Internet of Things technology, the response speed and operation convenience of the system are improved, real-time data analysis and trend reports are provided, and a user is helped to better manage and maintain the system. In addition, proper working conditions are ensured through the temperature and humidity adjusting function, and therefore a healthy, safe and efficient working environment is provided for workers. According to the invention, the working conditions with strict requirements on the air cleanliness are met, and the user experience and the reliability of the system are greatly improved.

The invention relates to the technical field of air purification, and discloses a workshop dust removal device for furniture production, the workshop dust removal device comprises a device main body, a telescopic mechanism and a driving mechanism, a filtering mechanism is fixedly mounted in the device main body, and the telescopic mechanism is fixedly mounted in the filtering mechanism; the driving mechanism is fixedly mounted at the top of the device main body, an air inlet is formed in one side of the device main body, a discharge port is fixedly mounted at the bottom of the device main body, an exhaust port is fixedly mounted at the top of the device main body, and a partition plate is fixedly mounted in the device main body. According to the device, after wood chips are filtered through the filtering mechanism, the wood chips are left outside the filtering mechanism, filtered air enters the upper portion of the interior of the device body and then is exhausted into the air through an exhaust port, and a metal structure outside the filtering mechanism can prevent the wood chips from being scratched while filtering the wood chips; therefore, the filtering effect can still be kept in long-time work.

The invention relates to the technical field of coal mine ventilation, and particularly discloses ventilation and purification equipment for a coal mine driving working face. A purification mechanism is installed at the top end of the dust removal box, flow dividing pipes are installed at the two ends of the purification mechanism, adjusting mechanisms are installed on the opposite faces of the two flow dividing pipes, and a transmission mechanism is installed in the dust removal box; the purifying mechanism comprises a purifying cylinder, a cleaning mechanism, a fixing frame, a purifying filter screen, an ultraviolet lamp and a dust discharging hopper; air extracted through the flow dividing pipe is input into one purification barrel, the air can sequentially pass through the multiple purification filter screens to be filtered and purified, meanwhile, flowing of the air pushes a driving fan to rotate, and then a cleaning brush in the other purification barrel is driven to clean the purification filter screens, so that the purification efficiency is improved. The two purification cylinders can alternately perform air purification, and the function of automatically cleaning and purifying the filter screen is realized, so that the equipment can perform filter screen cleaning without shutdown.

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.

The utility model provides an air purification filter, relates to the air purifier field, including purifier body and box door, inside the purifier body is provided with filter element, the periphery of filter element is provided with dust screen, one side of dust screen is provided with drum, the other side of dust screen is provided with hair brush through mounting rack, the box door is provided with the box door. Impurities on the surface of the dustproof net can be brushed off through the cooperation of the brush rotary drum, the fallen impurities can be sucked into the collecting box to be stored through the cooperation of the fan, the air pipe and the suction head, and therefore the self-cleaning effect is achieved. Through the design, the time for manual cleaning can be saved, the device is worry-saving and convenient, the service life of the filter element is prolonged, the purchase cost of a user is reduced, the good purification effect is guaranteed, and the practicability of the device is improved.

The invention relates to the technical field of wall breaking devices, in particular to a traditional Chinese medicine decoction piece wall breaking treatment process which comprises the following steps: putting traditional Chinese medicine decoction pieces to be treated into an overturning cylinder; a servo motor rotates at a set power, and the traditional Chinese medicine decoction pieces are circularly treated between the two wall breaking cylinders through transmission of a driving bevel gear and a tail bevel gear; the two wall breaking cylinders are driven to rotate through the transmission module while the overturning cylinder overturns, so that wall breaking treatment is realized: synchronous up-and-down movement is realized through reciprocating displacement of the vibration breaking frame, and the wall breaking efficiency is improved; and the air cleaning pump continuously supplies air at high pressure and blows air into the wall breaking cylinder through the wall blowing holes in the wall blowing rod, so that residual impurities are blown away. The wall breaking device has the beneficial effects that the residual rate of wall breaking liquid and wall breaking materials in the wall breaking cylinders is effectively reduced through the arrangement of a rotating structure during wall breaking treatment of the two wall breaking cylinders, and the maintenance difficulty and the cleaning difficulty of the wall breaking device are reduced through the reduction of the residual rate.

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 relates to the technical field of equipment control, in particular to an intelligent control method and system for kitchen air purification equipment and a medium. The method comprises the following steps: acquiring real-time air monitoring data by using an air quality monitoring module in the kitchen air purification equipment; performing harmful gas component screening on the real-time air monitoring data to obtain air harmful gas component screening data; first equipment association control is conducted on an air purification module in the kitchen air purification equipment through the air harmful gas component screening data, and an air purification association control instruction is generated; acquiring filter screen data of the air purification equipment by using an air purification module in the kitchen air purification equipment; and performing filter screen smoke monitoring on the filter screen data of the air purification equipment to generate filter screen smoke monitoring data. Through real-time monitoring, dynamic adjustment, filter screen management optimization, efficiency quantitative control and an execution feedback mechanism, the intelligent level of kitchen air purification equipment control is improved.