370 results about "Air decontamination" patented technology

The invention belongs to the field of air purification, and relates to module combined type comprehensive purification equipment and a purification method thereof.The module combined type comprehensive purification equipment is characterized in that a first gas sensor is arranged in a harmful gas collecting header pipe, and a second gas sensor is arranged in a pipeline between an exhaust port of a module combined type washing tower and a third electric control three-way valve; the first gas sensor and the second gas sensor are electrically connected with the ARM processor, and the ARM processor controls opening and closing of the module combined type washing tower, the mixing atomizing chamber and the module combined type adsorption box and controls opening and closing of the first electric control three-way valve, the second electric control three-way valve and the third electric control three-way valve. According to the method, the comprehensive harmful gas treatment sequence is as follows: firstly, acidic or alkaline dirt is removed, and then, activated carbon particle filtration and adsorption are performed. According to the invention, diversified, staged and complicated mixed harmful waste gas can be automatically and effectively purified.

The invention relates to the technical field of automobile air purification, and particularly discloses a filtering material, a preparation method of the filtering material and a novel automobile air conditioner multi-effect catalytic formaldehyde removal filter. The filtering material comprises a PET (Polyethylene Terephthalate) supporting layer, a gas filtering layer and a PP (Polypropylene) electrostatic filtering layer which are arranged in sequence, the gas filtering layer is prepared from the following raw materials in parts by weight: 30 to 90 parts of activated carbon and 10 to 70 parts of manganese catalyst. The gas filtering layer composed of the activated carbon and the manganese catalyst is matched with the filtering material composed of the PET supporting layer and the PP electrostatic filtering layer, four gases of n-butane, methylbenzene, sulfur dioxide and nitrogen dioxide can be adsorbed, the manganese catalyst degrades formaldehyde at normal temperature, meanwhile, the reaction on the formaldehyde is a catalytic reaction, and the environment-friendly effect is achieved. Therefore, the filter material disclosed by the invention also has longer service life, so that a filter made of the filter material has a better formaldehyde removal effect and longer service life.

The invention relates to the technical field of air purification, and discloses a space air particle differentiation system and a control method thereof.The space air particle differentiation system comprises an air particle separation module and a control module, the air particle separation module comprises an air inlet, a cyclone separation barrel and a detachable dust collection barrel, the cyclone separation barrel separates particles in air through centrifugal force classification, and the separated particles fall into the bottom dust collection barrel; the ultraviolet catalysis module comprises an ultraviolet reaction chamber, the inner wall of the ultraviolet reaction chamber is coated with a photocatalyst, and a UV-C light source is configured and used for decomposing organic pollutants and microorganisms; the electron-ozone reaction module comprises a mixed flow pipeline fan and an exhaust port, the mixed flow pipeline fan forms negative pressure airflow in the system, and purified air is exhausted through the exhaust port. Through cooperation of cyclone separation, ultraviolet catalysis and electron-ozone reaction, large particles are removed through cyclone separation, organic matter is decomposed through ultraviolet catalysis, microorganisms and superfine particles are oxidized and decomposed in a reaction chamber through electron flow and ozone, the maintenance period is prolonged, and efficient consumable-free purification is achieved.

The invention relates to the technical field of livestock and poultry breeding environment control, and discloses a meat duck shed energy-saving ventilation system and method based on air purification and reuse, and the method comprises the steps: carrying out the time-sharing collection of the temperature, humidity and ammonia gas, carbon dioxide and dust concentration of each ventilation region in a meat duck shed, and recognizing the abnormal air flow and pollution accumulation points; air is guided in a partitioned mode according to the pollution type and the flow direction, dust-containing air is separated in the mode that gravity settling and primary filtering are combined, wet air is subjected to circulating condensation treatment, and high-concentration ammonia gas flow is subjected to adsorption or chemical neutralization treatment; a multi-stage closed-loop circulation is formed through the opening-degree-variable air valve and the multi-speed circulating fan; in the backflow process, the recycled air and the fresh air are mixed in proportion through an adjustable air mixing pipeline; and the ventilation paths, the filtering units and the air partition conditions are analyzed regularly, and the cleaning period, the flow dividing proportion and the circulating fan operation mode are adjusted. The device has the advantage of improving the purification efficiency.

The application provides an adsorption and photocatalysis synergic air purification material and a preparation method and application thereof, and belongs to the technical field of air purification. The adsorption and photocatalysis synergic air purification material comprises a manganese oxide compound, graphite phase carbon nitride, activated carbon and a periodic acid layer; wherein the manganese oxide compound and the graphite phase carbon nitride form a heterojunction, and are attached to the inner and outer surfaces of the activated carbon; and the periodic acid layer wraps the manganese oxide compound and the graphite phase carbon nitride forming the heterojunction and the activated carbon.

The invention provides a plasma-based air filtering device, and relates to the technical field of gas purification devices, the plasma-based air filtering device comprises a multi-stage filtering layer shell, and a catalytic filtering layer, an activated carbon particle filtering layer, an HEPA filtering layer and a flexible plasma filtering layer are independently and detachably mounted on the multi-stage filtering layer shell to form a multi-collaborative filtering system; harmful substances adsorbed in the activated carbon particles are decomposed and eluted through plasmas generated by the flexible plasma filtering layer, so that the activated carbon particles are recycled. According to the air purification device, harmful substances in gas are effectively adsorbed and filtered, activated carbon particles in the activated carbon particle filtering layer can be eluted and purified, the activated carbon particles can be recycled for multiple times, and therefore the air purification cost is reduced, and in addition, compared with a common illumination elution mode in life, the elution mode has the advantage that the purification efficiency is improved. The elution effect is better.

The invention discloses a nanometer aeration river water quality purification system based on water quality linkage, and relates to the technical field of water quality purification. The system comprises a comprehensive water quality module, a dissolved oxygen module, a local control module, an air purification module, an oxygen and ozone preparation module, an air source selection mixing module, a nano bubble module, a jet flow power module and a water quality central regulation and control module. The system dynamically adjusts the pollutant concentration by collecting water quality parameters, adjusting the aeration intensity, generating high-purity oxygen and ozone and optimizing the gas source mixing proportion and the bubble diffusion process. By combining a purification response signal, energy consumption optimization and an ecological balance cost function, an efficient, energy-saving and environment-friendly water quality purification effect is achieved. By combining a nano bubble technology, intelligent control and energy efficiency optimization, efficient, energy-saving and environment-friendly river water purification is realized, and meanwhile, water ecological restoration and environmental influence are considered.

The invention discloses an air peculiar smell purification device based on activated carbon adsorption, and relates to the technical field of activated carbon adsorption separation, the air peculiar smell purification device comprises a purification cylinder, a rear cover is fixedly connected to one side of the purification cylinder, a fan is fixedly connected to one side, close to the rear cover, of the purification cylinder, an activated carbon filter element is arranged in the purification cylinder, and a front cover is fixedly connected to the other side of the purification cylinder; the purification cylinder is fixedly connected with a fixed cylinder, clamping grooves distributed in the circumferential direction are formed in the fixed cylinder, and the fixed cylinder is movably connected with supporting frames symmetrically distributed along the fixed cylinder. In the process of efficiently capturing and separating peculiar smell airflow in air by using the activated carbon filter element, a supporting and fixing mode and a clamping and fixing mode can be freely switched according to a specific local area or an actual scene of an object, and the angle of the purification cylinder can also be adjusted, so that the specific local area or the object is efficiently purified, and the purification effect is improved. And the scene applicability of air purification and the high efficiency of local purification are integrally improved.

The invention relates to the technical field of proportioning control, and discloses an intelligent proportioning control method for activated carbon and a deodorant in an air purification system, which comprises the following steps of: dividing the pore size distribution of the activated carbon into three types of micropores, mesopores and macropores, and obtaining pollutant response vectors of various typical pollutants and consumption weight vectors of the pollutants to the three types of pore sizes; constructing an agent mapping knowledge base; environmental pollutants are monitored in real time, a current pollutant response vector is obtained, and an activated carbon dynamic ability portrait is generated by matching a knowledge base; identifying a new pollutant event, acquiring a response vector and an aperture consumption weight of the new pollutant event, performing efficiency prediction calculation with the dynamic capability portrait, executing three-section decision logic according to a prediction result, and outputting dynamic ratio data of the activated carbon and the deodorant; accurate prediction of functional saturation of the activated carbon is realized through multi-dimensional capability characterization, purification efficiency reduction caused by'saturation illusion 'is effectively avoided, and the comprehensive purification efficiency of an air purification system is remarkably improved.

The invention discloses an air conditioner which comprises an indoor unit and an outdoor unit. The indoor unit comprises a first air outlet and a negative oxygen water ion generating device. The first air outlet is configured to blow air-conditioning air out of the indoor space. The negative oxygen water ion generating device is arranged beside the first air outlet and is configured to provide ions for the indoor space. Wherein the air outlet direction of the air conditioner air and the air outlet direction of ion air blown out by the negative oxygen water ion generating device are independently adjusted, the negative oxygen water ion generating device is provided with an independent first air duct, and the first air duct is configured to provide air for ionization for the negative oxygen water ion generating device. The outdoor unit comprises an oxygen generator, and the oxygen generator is configured to provide oxygen for the first air duct. And under the condition that the oxygen concentration is smaller than a preset first limit value, the oxygen generator is started to provide oxygen into the first air duct. According to the air conditioner, independent control over air conditioning air and ion air can be achieved, the content of negative oxygen ions in a room can be adjusted, and the air purification effect and the human body health care effect are improved.

The invention relates to the field of air purification control, in particular to a mobile air purifier operation control method, system and equipment and a medium. The method comprises the following steps: acquiring environmental parameters through a multi-source sensor, generating a multi-dimensional operation parameter matrix by using a fuzzy control algorithm, planning an optimal moving path by using an improved AI algorithm according to spatial topology sensing data, and cooperatively adjusting related components through a PID controller. A night low-noise operation strategy, a specific algorithm calculation parameter, sleep stage identification, corresponding control and the like are provided, and a look-ahead control instruction set can be generated; the invention further comprises a corresponding operation control system, electronic equipment and a computer readable storage medium. The technical effects that the ambient air quality and the user state are accurately perceived, global coverage purification and multi-system parameter joint debugging of the air purifier are achieved, low-noise operation at night is achieved, the function is dynamically adjusted according to the sleep stage, and the air purification effect and the user use experience are improved are achieved.

The invention provides a wet dust removal device, and belongs to the technical field of air purification, the wet dust removal device comprises a dust removal mechanism used for purifying gas, the dust removal mechanism comprises a cylinder and a transmission shaft vertically and rotatably assembled in the cylinder, and the transmission shaft is fixedly provided with an atomization structure used for atomizing water and a centrifugal structure used for steam-water separation from bottom to top; a flow guide cover used for guiding water flow to the atomization structure is further arranged between the atomization structure and the centrifugal structure. According to the atomization structure, the strip-shaped rectangular holes are adopted, even if chippings and impurities enter the atomization structure, the chippings and the impurities can be discharged through the rectangular holes, and the atomization structure is prevented from being blocked; a staged continuous treatment mode is adopted, the problems that an existing filtering mechanism is prone to blockage and frequent to clean are solved, the sewage treatment efficiency is guaranteed, and stable operation of a water circulation mechanism is guaranteed.

The embodiment of the invention discloses a control method and device for linkage of an air purifier and outdoor air quality information, and the scheme can comprise the steps that the outdoor air quality information is obtained in real time, and the outdoor air quality information at least comprises the outdoor air quality index AQI and the PM2.5 concentration; collecting indoor air quality parameters in real time, wherein the indoor air quality parameters at least comprise indoor PM2.5 concentration, VOC concentration and temperature; based on the outdoor air quality information and the indoor air quality parameters, an air purification demand index AQDI is calculated; the AQDI is compared with a preset first threshold value and a preset second threshold value, and the operation mode of the air purifier is automatically switched according to the comparison result; wherein the numerical value of the first threshold value is larger than that of the second threshold value, and the operation modes comprise an inner circulation mode, an outer circulation mode and a pre-purification mode; historical operation data and user feedback are recorded, and weight parameters in AQDI calculation, the first threshold value and the second threshold value are dynamically adjusted through an adaptive learning algorithm.

According to the air purification device, the air treatment equipment and the control method and device of the air purification device, the discharge assembly can be used as an energy source and cooperates with a catalyst in the catalyst module to degrade peculiar smell and purify air, and the situation that a traditional adsorption technology fails after saturation is avoided; and parts such as an ultraviolet light source which are harmful to machine parts or human body health do not need to be arranged. The air purification device is provided with a first discharge assembly, a catalyst module and a second discharge assembly; the catalyst module is provided with a gas passing channel; in the gas passing direction of the gas passing channel, the catalyst module is located on the downstream side of the first discharging assembly and can cooperate with active substances generated by discharging of the first discharging assembly so as to purify the first space. In the gas passing direction of the gas passing channel, the second discharging assembly is arranged on the downstream side of the catalyst module and is arranged to be capable of discharging to generate active substances so as to purify the second space.

The utility model relates to a kind of multi-functional high-efficiency indoor air purifier, and sub-machine system mode is used in the shell, and air state signal is transmitted by signal tower. The upper part of air purifier is two sub-machine parking spaces with automatic charging device, and the lower part is mother machine system. When air pollution is weak, sub-machine is dispatched according to the set route to start purification, and carry out inspection while passing the set target point, and feedback real-time air quality. When air pollution is strong, the air purification device of mother machine starts to work. Sub-machine system works with four air purifiers through connecting plate, and controller and detection device are installed in the center. The upper surface of air purifier is installed with power device, and power lift is provided. Mother machine system purifies air through electrostatic precipitator and formaldehyde removal module. When there are multiple pollution sources in the room, the purification degree and purification efficiency are greatly improved, and the utility model also has the functions of real-time monitoring indoor air quality, releasing negative ions, sterilization and disinfection.

The utility model relates to an intelligent control circulating purification device for pollution gas of a farm, and solves the technical problems that the existing farm air purification equipment is poor in purification effect, low in purification efficiency and depends on manual control. The device comprises a wet curtain, a first input water pipe, a first water tank, a first water pump, a first output water pipe, a first water adding valve, a first acid adding valve, a first drainage valve, a second water tank, a second input water pipe, a second water pump, a backflow pipeline, a second acid adding valve, a second water adding valve, a drainage valve, an activated carbon filter screen, a negative pressure fan, a shutter and a frame, the first water tank is connected with the wet curtain through a first input water pipe and a first output water pipe, the second water tank is connected with the wet curtain through a second input water pipe and a backflow pipeline, the negative pressure fan is located between the activated carbon filter screen and the shutter, and the first water tank and the second water tank are located between the wet curtain and the activated carbon filter screen. The device is widely applied to the technical field of pollution gas treatment.

The present invention relates to a method and a device for purifying outdoor and indoor air contaminated with solid particles. The method comprises a specific sequence of measures to promote the aggregation and / or coagulation of the particles, including ionization, followed by a series of filtrations. The invention comprises a device for implementing the method.

An airflow system for buildings, and its method of use, is provided to provide pollution mitigation for occupants of a building. An airflow system for a building is provided, comprising: at least one air purification system that provides purified air and receives recirculated air; at least one supply air assembly that supplies purified air from the air purification system to at least one internal airflow space, the internal airflow space including one or more office cubicles, meeting rooms, and auditoriums; at least one return air assembly that returns recirculated air from at least one internal airflow space back to at least one air purification system; directional airflows formed between the supply air assembly and the return air assembly, including a first directional airflow and a second directional airflow that form one or more air barriers between occupants to provide respiratory isolation, the second directional airflow forming an airflow field around each occupant; and at least one control system that controls the airflow system. The airflow system provides pollution mitigation for each occupant.

The invention discloses concrete with an air purification function and a preparation method, the concrete comprises the following components in parts by weight: 12-16 parts of cement, 6-10 parts of sand, 2-5 parts of mineral powder, 5-10 parts of fly ash, 40-44 parts of aggregate, 7-9 parts of water and 5-10 parts of activated carbon fiber, the invention belongs to the technical field of building materials, and aims to solve the problem that concrete in the prior art lacks an air purification function. The concrete has the technical effects that the grooves and the adsorbent filler are arranged, so that harmful gases such as formaldehyde in the air can be adsorbed by virtue of the activated carbon particles, the formaldehyde in a room is promoted to be quickly dissipated, and the air purification function of the concrete is increased; by arranging the air purification coating, secondary purification can be conducted on air in a house through the air purification coating, the contact area between the air purification coating and the air is increased, and the purpose of thoroughly purifying formaldehyde is achieved.

The invention discloses a scene-driven multi-mode coordinated regulation system for external counterpulsation treatment. The scene-driven multi-mode coordinated regulation system comprises a central processing unit, the signal acquisition module is used for acquiring physiological signals of a patient in real time; the temperature and humidity adjusting module monitors the temperature and humidity of the environment where the patient is located in real time through a temperature and humidity sensor; the illumination intensity adjusting module adopts a mode of combining natural light and artificial illumination, and uses a soft light source to reduce light pollution; the air quality adjusting module is used for reducing the concentration of pathogens in air through a fresh air system, exhaust equipment and an air purification device; the sound adjusting module is provided with an audio player; the signal processing module is used for processing data of the signal acquisition module and other modules; the system has the advantages that timely and accurate response is made to environmental changes, and environmental parameters are automatically adjusted according to monitored physiological signals of a patient, so that the optimal comfort level is achieved.

Embodiments of the present application provide an air purifier control method and device, an air purifier and a storage medium. The method comprises: obtaining a current air state parameter of an environment in which the air purifier is located, determining a candidate air purification mode according to the current air state parameter, monitoring an effective parameter of the candidate air purification mode, and controlling the air purifier to work according to the candidate air purification mode when the effective parameter meets an effective condition. The method automatically determines the candidate air purification mode based on the current air state parameter of the environment in which the air purifier is located, so that the user can select or directly work. The method does not need to rely on the user to set the working mode based on experience, thereby reducing the dependence on the user's experience. Meanwhile, the present application determines the current air state parameter based on a sensor, so that the test result is more accurate, and the air purifier can set more air purification modes of different gears, thereby providing the optimal air purification mode for the current environment of the user.

The application discloses a graphene / Hf6Ta2O 17 The application relates to a hierarchical porous composite aerogel, a preparation method thereof and application, and relates to the technical field of functional porous materials. In the application, hafnium sources and tantalum sources are dissolved in acid, then transferred and mixed by using an alcohol solvent to prepare a precursor, and then the precursor is combined with an oxidized graphene dispersion liquid to construct a sol system, and finally, the product is prepared through hydrothermal self-assembly, solvent replacement and freeze drying. The aerogel obtained in the application has a hierarchical porous structure, and has excellent adsorption capacity and catalytic degradation efficiency for toxic agents. The material is stable in performance under extreme environments of high humidity (10%-95% RH) and variable air pressure (0.5-2 atm), overcomes the defects that traditional materials are easily disturbed by environments, and has a wide application prospect in the fields of efficient air purification and complex environment protection.

The present invention relates to an air purification catalyst composition comprising porous manganese oxide, wherein the porous manganese oxide has a pore distribution such that pores having a pore size in the range of 0 nm to 6.0 nm account for at least 75% by volume of the total pores. The invention also relates to an air purification article comprising the air purification catalyst composition, as well as a method for producing the air purification article and a method for purifying an air stream.

Air purification device for internal spaces comprises an air inlet to receive air from an internal space, a filter to filter air from the air inlet; a probiotic dispersion system to insert probiotic material into the air after the filter; and an outlet through which to distribute the air into the internal space.

The application provides an air purifier control method and device, computer equipment and an air purifier. The method comprises obtaining pollutant concentration data and humidity data of a target environment, the types of the pollutant concentration data being at least two; determining a basic wind speed of the air purifier based on the pollutant concentration data; determining a control wind speed of the air purifier based on the humidity data and the basic wind speed; and controlling the air purifier to operate according to the control wind speed. The method provided by the application can determine an air purification strategy based on the formaldehyde concentration, dust concentration and air humidity in the target environment and adjust in stages, thereby improving the efficiency and effect of air purification and improving the user experience.

This invention relates to the field of data monitoring technology, specifically to an intelligent control method for workshop air purification based on environmental data. The method involves: obtaining upward trend points and concentration inflection points based on changes in concentration data sequences; identifying concentration rise periods and concentration fall periods based on the distribution characteristics of concentration inflection points; identifying suspected abnormal data points based on the differences in the trends of concentration rise and fall periods and the local data differences at the upward trend points; determining the air pollution risk level based on the quantity, interval, and concentration change characteristics of the suspected abnormal data points; and adaptively adjusting a preset concentration anomaly threshold based on the air pollution risk level to obtain an adaptive threshold. This invention adjusts ventilation power based on the adaptive threshold, thereby reducing the power consumption of the air ventilation system while improving the efficiency of air purification in the workshop.

The invention provides an air purification effect stability quantitative evaluation method and device and a related product, and the method comprises the steps: setting sampling points in three-dimensional grid distribution in a target space to construct a sampling array, controlling the environmental parameters of the target space, and releasing standard pollutants to generate an initial pollution scene; n independent purification tests are executed based on the initial pollution scene, and the purification tests comprise the steps that air purification equipment is controlled to operate, and air samples are synchronously collected at a plurality of preset time nodes through a sampling array to obtain N sets of original pollutant concentration data sets; carrying out standardization processing on the pollutant concentration data set to obtain a pollutant relative concentration data set; and calculating a dispersion statistical value based on the pollutant relative concentration data set to generate a stability quantitative index, and evaluating the air purification effect according to the stability quantitative index. Quantitative, comprehensive and accurate evaluation of the air purification effect on spatial uniformity, time repeatability and overall stability is achieved.

The invention relates to the technical field of air purification, and discloses an indoor large-flow air supply and exhaust air purification system which comprises an air supply fan, an air exhaust fan and an MCU main board connected with the air supply fan and the air exhaust fan, and the MCU main board is provided with processing programs suitable for different application scenes; the air supply fan is used for supplying outdoor air into a room, and the air exhaust fan is used for exhausting indoor air out of the room; the MCU main board is connected with a clock, a noise sensor, an air quality detection sensor and a personnel identification sensor; the MCU main board is used for obtaining an application scene where the current indoor environment is located according to information fed back by the clock, the noise sensor, the air quality detection sensor and the personnel identification sensor so as to control the air supply fan and the air exhaust fan to supply and exhaust air indoors with the maximum flow as far as possible under the conditions that no one is in a room, the environment noise is large, and the air pollution is serious. Ventilation and air exchange can be achieved to the maximum extent, the method is an effective means for treating indoor air pollution, and the indoor ventilation and air exchange efficiency can be improved.

The utility model discloses a peculiar smell eliminating device for an animal laboratory, and relates to the technical field of air purification. The air purification device comprises a purification box, an inner cavity of the purification box is fixedly connected with a filter assembly, one side of the purification box is fixedly connected with a purification assembly, the filter assembly comprises flow guide plates fixedly connected to the inner cavity of the purification box, and a placement basket is arranged between the upper flow guide plate and the lower flow guide plate. According to the utility model, peculiar smell in a laboratory can be adsorbed and filtered through the arranged filtering assembly, meanwhile, follow-up replacement of activated carbon particles is facilitated through the movably designed placing basket, the contact time of air and activated carbon is prolonged through the obliquely designed flow guide plate, the peculiar smell purification effect is improved, and the purification effect is improved through the arranged purification assembly. And after being atomized, the neutralization liquid is in contact with the gas, so that the purification effect can be greatly improved, and the purified air blows out the aromatherapy, so that the peculiar smell in the laboratory is further covered, and the discomfort of workers is reduced.

The embodiment of the application provides a kind of air disinfection purifier self-adaptive control method, system and medium, the method comprises: obtaining air information, input air information into the air disinfection purification model of pre-setting, generate disinfection purification parameter;According to disinfection purification parameter, generate pre-set air disinfection purifier operating parameter information;Obtain air disinfection purifier operating parameter information, compare air disinfection purifier movement parameter information with pre-set air purifier operating parameter information, obtain parameter deviation rate;Determine whether the parameter deviation rate is greater than or equal to the pre-set parameter deviation rate threshold;If greater than or equal to, generate parameter correction information, and modify air disinfection purification operating parameter information according to parameter correction information;If less than, control air disinfection purifier according to current operating parameter to run;By analyzing air information, judge disinfection purification effect, and according to disinfection purification result, real-time control disinfection purification parameter.