16326 results about "Air purification" patented technology

The invention relates to a high-efficiency multifunctional modular interior air purification device. A device main body is cylindrical and consists of three cylindrical function modules which are combined and include a main l function module, a power control module and an additional function module from bottom top. The main function module with 360-degree omnibearing intake air design consists of a protective hood, a free rotating guide plate, a washable prefiltering glass fiber layer, an attached active carbon adsorption layer, an attached nano active carbon adsorption layer, a high-efficient PTFE filter layer, a load nano TiO2 porous ceramic sequentially from bottom top, as well as a UV lamp in the middle from the outside to the inside; the power control module consists of a power cord, a multifunctional power jack, a fan and a control panel; and the additional function module consists of a cylindrical guide plate, a guide protective hood and a solid essential oil dispersion box/negative ion generator/humidifier and the like. The high-efficiency multifunctional modular interior air purification device is compact in design structure, has no noise pollution, low energy consumption and an obvious purification effect, and is suitable for use in various interior places.

The invention relates to the field of air purification, and in particular relates to an air purifier. The air purifier comprises an air purifier body and a power supply box, wherein the air purifier body comprises a motor, a filter screen, an air pump, an air inlet, an air outlet and an air conveying pipeline; the power supply box is electrically connected with the motor; the motor is used for driving the air pump to enable the air to be sucked into the air conveying pipeline; the filter screen is arranged in the air conveying pipeline; the air outlet and the air inlet are respectively formed at the two ends of the air conveying pipeline. Compared with the air purifier which is limited in length of a power line and can not be away from a fixed power supply so as not to be carried about at any time and any place in the prior art, the air purifier provided by the invention is provided with the power supply box which is used for supplying power for the air purifier body, so that the air purifier is away from the fixed power supply.

The invention relates to an electrospinning nano-fiber electret filtering material and its preparation method. The high-efficiency and low-resistsance nano-fiber electret filtering material having no interfibrous adhesion and having a fluffy three-dimensional netted intercommunication structure is prepared through controlling the component and the temperatures of a polymer solution in an electrospinning process and carrying out one-step forming in the nano-fiber forming rapid cooling process, wherein the gram weight of the above nanofiber layer is 0.01-70g/m<2>, and the porosity is not less than 80%. The surface electrostatic potential of the nano-fiber electret filtering material is 800-6000V, and the surface charges have lasting storage stability, the hydrophobic angle is greater than 150DEG, the filtering efficiency of the material to particles of 0.006-1[mu]m can reach above 99.999%, the piezoresistance is less than 20Pa, and the dust containing capacity is 300-3600g/m<2>. The preparation method is simple, and the filtering material has wide application prospects in the fields of individual protection mouth mask filtration, indoor air purification and filtration, and high efficiency/ultrahigh efficiency air filtration.

A filter module for use with a room air-purifying system. The filter module includes a housing and a filter. The housing forms an air inlet, a first outlet port and a second outlet port. The outlet ports are configured for fluid connection to commercial ductwork. The filter is maintained by the housing and is configured to retain air-borne contaminants. During use, airflow passes from the filter to the outlet ports. By incorporating at least two outlet ports, the filter module preferably assumes a low-profile configuration, thereby facilitating installation of the filter module at any desired location relative to a room of interest.

The invention relates to an intelligent air purification control system and method. No intelligent air purification control systems and methods with complete functions exist at present. The intelligent air purification control system comprises an air purification system, a fan system and a shell. The intelligent air purification control system is characterized by further comprising an air monitoring system, an android control system, a speed governor module, a loudspeaker, a display system, a network function module and a server. A TVOC sensor, an infrared sensor, an MIC sensor and an optical sensor are arranged in the air monitoring system. An APP extension module, a WIFI module and a data analysis module are arranged in the android control system, and the air monitoring system, the network function module, the display system, the loudspeaker, the server, the fan system and the speed governor module are connected with the android control system. The intelligent air purification control method is characterized by comprising an automatic mode, a sleep mode, a protection mode, a fierce wind mode and a manual mode. The intelligent air purification control system is reasonable in structure and complete in function.

The invention relates to an indoor decorative material, in particular to a diatom internal wall coating with humidity-regulating and air-purifying functions and a preparation process thereof, and aims at overcoming the defects existing in the prior art and providing the diatom internal wall coating and the preparation process thereof, wherein the diatom internal wall coating has an excellent indoor air humidity-regulating function, can eliminate peculiar smell, preserve heat, reduce noise, remove harmful gases including formaldehyde, toluene and the like in the air, can continuously release negative oxygen ions, has a lasting environmental-protection function, a humidity-regulating function and the air-purifying function, and is rich in colors, strong in texture and environment-friendly. The diatom internal wall coating with the humidity-regulating and air-purifying functions and the preparation process of the diatom internal wall coating have the advantages that ingredients can be used after screened, weighed, evenly mixed in a grading mode, checked out and packaged. When the diatom internal wall coating is used, water is added into the coating to prepare a pasty or milky coating, and texture shape construction can be performed in a batch-coating, blade-coating or wipe-coating mode or in a roll-coating, spraying or brush-coating mode. An appropriate construction process can be selected according to the decorative requirements.

A kind of module type air purifier which is composed of the first and the second air purifying units assembling through the module mode with each other. There are combining protuberances on the bottom of the first and the second air purifying units, while combining grooves to embed the combining protuberances on the top. The first and the second air purifying unit are fixed separated with each other through the fixed component. The air inlets and air outlets set on the lateral and the front of the first and the second air purifying units separately, the filters conforming with various types set medial side of the each air inlet to purify the air. Thus, this invention provides a module type air purifier which can increase the capacity conveniently without increasing the setting area.

The invention discloses a bionic intelligent air purification robot, comprising a vehicle body. A robot head is arranged on the vehicle body; a camera and an illumination lamp are arranged at the front end of the head; an infrared sensor is arranged around the vehicle body; a toxic gas sensor, a particulate matter sensor, a temperature sensor and a humidity sensor are arranged at the two sides of the vehicle body; a universal arm is arranged at the front end of the vehicle body and a dust absorption head is connected with the front end of the universal arm; an air purification filter is arranged at the rear part of the vehicle body; and a nozzle is arranged at the rear end of the head which is internally provided with a control circuit and a language communication circuit board. The bionic intelligent air purification robot has the functions of dust absorption, dust removal, sweeping, sterilization, organic matter decomposition, temperature and humidity sensing and adjusting, toxic gas detection, toxic gas elimination, particulate matter sensing, illumination, free walking, mobile charging, infrared sensing, omnibearing photographing, digital storage, language communication and the like; an intelligent microcomputer is used for control, therefore, the bionic intelligent air purification robot has the advantages of good work effect, stable equipment performance, convenient operation, high efficiency, simple and compact structure, light weight and convenient transportation.

This invention comprises an adsorption process for the removal of at least N₂O from a feed gas stream that also contains nitrogen and possibly CO₂ and water. In the process the feed stream is passed over adsorbents to remove impurities such as CO2 and water, then over an additional adsorbent having a high N₂O/N₂ separation factor. In a preferred mode the invention is an air prepurification process for the removal of impurities from air prior to cryogenic separation of air. An apparatus for operating the process is also disclosed.

This invention relates to a wet type air cleaner utilizing a centrifugal impeller with an electric motor instead of using filters, thus the separation of particular dust, mist can be absolutely eliminated from air with the difference of specific gravity between gas and pollution liquid under centrifugal force. An wet type air cleaner utilizing a centrifugal impeller comprising: protection grill (400) and water tank (401) located on an inlet pipe (405), an electric motor (433) with a centrifugal impeller (408) and a bearing (434) located inside of centrifugal cleaner (407), a drain trap (441) and humidity controller (442) installed on an exit pipe (432) etc. Therefore centrifugal wet type air cleaner make fresh air efficiently to be carried out by centrifugal force without using filters in the field of home, office, passenger car, dust place like cement factory, machine center, exhaust gas cleaner for an industrial burner and an internal combustion engine.

The invention discloses a purification device equipped with an integrated negative ion air purification system. The purification device comprises a shell, wherein the shell is provided with an air inlet and an air outlet; a channel for ventilation is formed between the air inlet and the air outlet; ion air purification modules are arranged in the shell; air draft devices used for sucking external air are arranged in the ion air purification modules; the air draft devices are arranged between the air inlet and the channel; negative ion generators used for generating negative ions are arranged in the shell as well; and the negative ion outlet of each negative ion generator is formed between the air inlet and the corresponding air draft device. According to the air purification system, the air draft devices are tightly connected with ion generator modules to form integral bodies, the structure is compact and reasonable, the space is saved, the mounting and maintenance operation is more convenient, the ion air purification modules form an integrated system through parallel connection, and the functions of energy saving and electricity saving are achieved.

A method for removing contaminants from a natural gas stream such as a biogas/landfill gas stream. The natural gas stream is fed to a first adsorption unit for removal of certain contaminants and then to a second adsorption unit for the removal of additional contaminants. Alternatively, a membrane stage may be employed between the adsorption units. The method utilizes the external purge to enhance pressure swing adsorption working capacity so that the vacuum level required for regeneration is not as high.

The gas adsorption sheet of the present invention has a granular activated carbon-containing sheet comprising a granular activated carbon having an average particle diameter of 60 to 600 mum, a supporting fiber for fixing the granular activated carbon in contact with it, and an adhesive fiber which mainly contributes to shape retention. An air-purifying filter of the present invention is obtained by forming the gas adsorption sheet into a shape of pleats or wave. A method for producing a gas adsorption sheet of the present invention comprises a step of forming a granular activated carbon-containing sheet by using an aqueous slurry containing a granular activated carbon, a supporting fiber and a water-swelling adhesive fiber.

The invention relates to a visible light photocatalytic film and a preparation method thereof and a lighting lamp with the visible light photocatalytic film, the lighting lamp comprises a casing, a LED (light-emitting diode) light source arranged on the casing, and a netted lampshade arranged on the outer side of the LED light source, the surface of the netted lampshade is coated with the visible light photocatalytic film doped with a quantum dot material and a semiconductor material. The netted lampshade can achieve air circulation, and improves the purification effect of air; the quantum dot material can make the absorption spectrum of the semiconductor material broadening and redshifting, so that absorbed light shifts from ultraviolet range to visible light range, the absorption of visible light is facilitated, and the lighting lamp is more secure; the visible light photocatalytic thin film absorbs the visible light in the LED light source , and then forms electrical acupunctures and free electrons on the surface of the quantum dot material, the electrical acupunctures and the free electrons are combined with water and oxygen in the air for redox reaction and formation of strongly oxidative hydroxyl radicals and active ions on the surface, so that organic matters and harmful gases and other materials in the air are decomposed to achieve the air purification, sterilization, deodorization and mildewproof effects.

The invention discloses a preparation method and application of a supported metal catalyst. The supported metal catalyst comprises carrier framework materials and nano particles, loaded on the surfaces of the carrier framework materials, of metal or metal oxide, or metal ions chelated on the surfaces of the carrier framework materials, wherein the metal ions and nano particles of the metal or metal oxide are loaded on the surfaces of the carrier framework materials through the polymerization layers, adhered to the surfaces of the carrier framework materials, of catechol derivatives. The preparation method of the supported metal catalyst has the advantages that the method is simple, various carrier framework materials are used, one or more metal ions or nano particles can be loaded, and universality is achieved; the supported metal catalyst is good in active metal dispersity, large in carrier specific surface area, low in use amount, low in cost, and the like; the catalyst loaded with noble metal is catalyst material which is widely used and environmental friendly and is efficiently applicable to environmental chemical engineering fields such as dye wastewater decoloring, wastewater organic pollutant removing, car tail gas treatment, air purification, hydrogenation and reforming catalytic reaction, gas sensors and fuel cells.

The present invention relates to an air purifier employing a water jet-type fan system having a simple structure, in which water is pumped by a water pump and sprayed and scattered by the water jet-type fan system in which a plurality of spray nozzles are mounted on a fan having a flow channel, in order to purify contaminants. The fan system rotates by the principle of action and reaction using the spraying force of water. The air purifier of the present invention performs an air purification process and an air circulation function at the same time by spraying and scattering water so as to use the adsorption power of water, instead of using a motor fan for circulating air. The present invention also relates to a purification method of the air purifier.

The present invention includes methods and compositions for liquid separation and water purification. The present invention includes a purification membrane having a polymer matrix purification membrane that has been treated with dopamine to form a polydopamine coated membrane with a high water flux and a high hydrophilicity.