763results about "Electrostatic separation details" patented technology

An air purifier for removing particles from air and providing an aesthetically pleasing appearance includes a housing having an air inlet, an air outlet and an airflow path therethrough. An air filter is mounted within the housing in the airflow path and a motor is mounted within the housing. The motor includes a motor shaft and a fan is mounted to the motor shaft for urging air into the air inlet, through the airflow path and out of the air outlet. An air cowl is removably mounted to the housing. The air cowl includes a peripheral edge. The air inlet or the air outlet is defined between the peripheral edge and the housing. A method of operating the air purifier with the inlet or outlet formed between the peripheral edge and the housing is also disclosed.

An apparatus for airborne particle sorting is provided comprising a charging system adapted for applying an electrostatic charge to the particles, such that particles of at least a first group are deflected to a greater extent than particles of a second group are deflected. A focusing system is adapted for electrostatically focusing substantially at least the particles of the first group into a focused stream that is narrower than the input air stream. A deposition system is adapted for substantially depositing the particles of the first group from the focused stream upon a target surface, where the target surface may be transported to an analysis system capable of analyzing the particles deposited thereon.

Ultraviolet radiation is used to disinfect air (105) in a flow tube (110), where the flow tube (110) includes total internal reflecting features (120) on a portion of its external surface and said ultraviolet radiation propagates through a portion of the flow tube via total internal reflection.

A carrier is used to carry a liquid, and a high voltage is applied between a discharge end of the carrier and an opposed electrode to emit ionized liquid particles. The carrier has a liquid collecting end opposite to the discharge end to feed the steam of the liquid from a steam generator, condensing the liquid therearound, and feeding the condensed liquid to the discharge end. Accordingly, even when the liquid contains cations such as those of Ca and Mg, the steam of the liquid can extremely reduce the content of these impurities, avoiding the precipitation of the impurities at the discharge end of the carrier to assure stable electrostatic atomization.

The invention discloses a purifier with cleaning function. The purifier comprises a box body with an air inlet and an air outlet. The box body therein is provided with a filtering unit, a collision absorbing unit, a high voltage charge and ozone generating unit, and an electrostatic absorbing unit. Cleaning brushes capable of moving up and down are arranged on the units. All cleaning brushes are driven by a driving device such that the cleaning brushes rotate synchronously, so as to clean the oil stains on the filtering unit, the collision absorbing unit, the high voltage charge and ozone generating unit, and the electrostatic absorbing unit. The invention can clean the filtering unit, the collision absorbing unit, the high voltage charge and ozone generating unit, and the electrostatic absorbing unit in a ventilation system with a relatively simple mechanism and relatively low cleaning cost. The cleaning brushes can be conveniently replaced after the cleaning brushes are adhered with dusts and oil strains or blunt. The invention is suitable for cleaning the filtering unit, the collision absorbing unit, the high voltage charge and ozone generating unit, and the electrostatic absorbing unit in all ventilation systems.

An aerosol-into-liquid collector (ALC) for collecting gas-borne particles from a large volume of gas such as air into a small volume of liquid is described. The ALC uses a linear quadrupole to concentrate particles flowing in a gas and to help direct these concentrated particles toward a small volume of collection liquid so that these particles tend to combine with a small volume of collection liquid that can then be drawn from the ACL for further analysis. The particles in the gas are typically given a charge that is opposite to that of the charge imparted to the volume of collection liquid so that electrostatic forces help draw particles from the flowing gas into the small volume of liquid. The linear quadrupole focuses toward it axis particles that have the charge, mass and mobility to be stable in the linear quadrupole.

The invention discloses a device for removing PM 2.5 from a smoke. The device is characterized in that: the device comprises a removing tower, a wet electrical dust precipitator and one or more wetting spray apparatuses; the lower part of the removing tower is provided with a smoke inlet end; the smoke inlet end of the removing tower is provided with a particle charging zone and a mixing coagulation zone; the particle charging zone is divided into a positive corona discharging zone and a negative corona discharging zone; an anode is arranged in the positive corona discharging zone; a cathode is arranged in the negative corona discharging zone; at least one stage of wetting spray apparatus is arranged in the removing tower which is above the smoke inlet end; the wet electrical dust precipitator is arranged in the removing tower which is above the wetting spray apparatus; and the top of the removing tower is provided with a smoke outlet. The invention also discloses a method for removing PM2.5 from the smoke. The method sequentially comprises steps of particle charging, mixing coagulation, dust wetting tempering, and wet electrical precipitation. The device and the method have the following advantages: fine dust PM2.5 can be removed from fire coal; fine particles of acid mist, heavy metal particles and the like can be removed from the smoke; and the PM2.5 removal rate is equal to or greater than 95%.

A composite filter media for a vacuum cleaner comprising a first filtration layer comprising a slit film having a plurality of continuous electrostatically-charged polyolefin filaments disposed substantially parallel to each other along their lengths; and a second filtration layer comprising a high-efficiency filtration media selected from wet-laid filter paper, dry-laid filter paper, and nonwoven filter media; wherein said first filtration layer is disposed in series with said second filtration layer, with respect to an air flow direction through said vacuum cleaner, to form a composite.

The invention discloses equipment for removing dust by using a magnetic fluid. The equipment comprises a wetting device, an agglomeration device, an ionization device and a device for removing dust by using a magnetic fluid, wherein the wetting device is used for wetting the dust particles coming from the air and entering into magnetic fluid equipment; the agglomeration device is used for agglomerating the dust particles wetted by the wetting device into large dust particles; the ionization device is used for charging the large dust particles obtained by the agglomeration device; and the device for removing dust by using a magnetic fluid is used for contacting the charged dust particles obtained by the ionization device with a magnetic fluid solution in the device for removing dust by using a magnetic fluid, thus precipitating the charged dust particles so as to remove the charged dust particles. The equipment can overcome the defects that the traditional dust removing equipment has low degree of dust removing automation, has selectivity toward the dust, has rigorous requirements for the environment and needs artificial participation, can well realize higher removal rate toward various industrial or domestic dust and can automatically complete later removing of the dust.

A novel method and system of separating carbon dioxide from flue gas is introduced. Instead of relying on large temperature or pressure changes to remove carbon dioxide from a solvent used to absorb it from flue gas, the ion pump method, as disclosed herein, dramatically increases the concentration of dissolved carbonate ion in solution. This increases the overlying vapor pressure of carbon dioxide gas, permitting carbon dioxide to be removed from the downstream side of the ion pump as a pure gas. The ion pumping may be obtained from reverse osmosis, electrodialysis, thermal desalination methods, or an ion pump system having an oscillating flow in synchronization with an induced electric field.

A charged multilayer filter includes a hydrocharged filtration layer containing a plurality of intertwined nanofibers that have a finite length of about 12 to about 300 mm, atop a porous roll-to-roll processable support layer.

An apparatus for and a method of adjusting a primary color component of an image and a computer-readable recording medium for storing a computer program for controlling the apparatus. The apparatus includes: a weight determiner which determines a weight corresponding to a hue difference between a hue of each of plural object hue components and a hue of adjustment primary color; and a component adjuster which adjusts at least one of object hue and saturation components using at least one of saturation and hue adjustment amounts of the adjustment primary color and the weight. The object hue and saturation components are components of hue and saturation components of an input image belonging to an adjustment range, the adjustment range belongs to a region of a color space in which color interference between the adjustment primary color and a neighboring primary color occurs, the adjustment primary color corresponds to a primary color to be adjusted, and the neighboring primary color corresponds to a primary color neighboring the adjustment primary color.

To provide a small active oxygen generating device capable of efficiently continuously generating active oxygen while supplying oxygen in the air. In the active oxygen generating device in which water is made to exist between an anode and a cathode composed of a base material containing a conductive polymer and by turning on electricity between the anode and the cathode, the conductive polymer deoxidizes the oxygen dissolved in the water to generate active oxygen, the cathode is rotatably installed about a conductive horizontal axis with part of the surface being projected over the surface of the water.

A method of operating a filtration system that filters flue gas, which includes particulate matter and a gaseous pollutant. The filtration system may include a fabric filter, which is cleaned with periodic pulse cleanings, a discharge electrode upstream of the fabric filter, which imparts an electric charge to at least some of the particulate matter before the particulate matter collects on the fabric filter, a sorbent, which is injected into the flue gas upstream of the fabric filter and absorbs at least some of the gaseous pollutant, and a fan, which draws the flue gas through the fabric filter. The filtration system may have a pulse cleaning interval setting that may be manipulated by an operator of the filtration system. The pulse cleaning interval setting may be the time between the pulse cleanings. The method may include the steps of: determining a cost of operating the filtration system at a first pulse cleaning interval setting; determining a cost of operating the filtration system at a second pulse cleaning interval setting; and comparing the cost of operating the filtration system at the first pulse cleaning interval setting with the cost of operating the filtration system at the second pulse cleaning interval.

An oxygen separator for separating oxygen from ambient air utilizing a vacuum swing adsorption process has a mass of less than 2.3 kg. A carrier is mountable on a person to support the oxygen separator for ambulatory use.

The invention discloses a dust collection device and method of frictional electricity. According to the dust collection device, an outer layer shell body and an inner layer shell body of a suit layer structure are adopted, wherein the outer layer shell body is of leakproof structure, multiple gas ports are formed in the inner layer shell body, and the inner wall of the inner layer shell body is provided with electrodes; the rotation of the inner layer shell body makes multiple dust collection units and the electrodes, which are arranged in the inner layer shell body, collide with one another, gases entering through an air inlet pass through the dust collection units, a gap between the inner layer shell body and the outer layer shell body, the dust collection units and an air outlet sequentially, and under the roles of electrostatic adsorption and physical filtration of the dust collection units, effective filtration of particulate matter in the air is achieved. Through the arrangement of the inner layer shell body and the outer layer shell body, the gases are capable of passing through the dust collection device more smoothly, and airflow resistance is reduced. The dust collection device can conduct effective and fast filtration on the particulate matter with grades of micron, sub-micron, nanometer and the like.

The invention discloses a novel electrostatic dust removing structure. The novel electrostatic dust removing structure is characterized by comprising a dust pre-removing area, an electric agglomeration area and a fine particle capturing area communicated in sequence, wherein one end, far from the electric agglomeration area, of the dust pre-removing area is communicated with a smoke discharge outlet for filtering dust particles with medium and large particle sizes; the dust particles enter the electric agglomeration area after passing through the dust pre-removing area; the electric agglomeration area agglomerates the dust particles with small particle size as larger dust particles; and after the larger dust particles enter the fine particle capturing area, the fine particle capturing area captures the larger dust particles. The novel electrostatic dust removing structure is provided with the electric agglomeration area and the fine particle capturing area for filtering and capturing the dust particles with small particle size, so that the smoke filtering effect is improved, and the pollution of smoke on the environment is further prevented.

The invention discloses a wet type electrostatic dust collector for semidry method (CFB) waste water zero discharging. The wet type electrostatic dust collector comprises a smoke humidification device, a wet type electrostatic smoke purifying system and a waste water circulating utilizing system. The wet type smoke purifying system mainly comprises a spraying device, an anode plate and a cathode wire. The waste water circulating utilizing system comprises a waste water tank, a circulation water tank, a waste water pump, a circulation water pump, an alkali liquor tank, an alkaline pump, an automatic filter, a technology water tank and a technology water pump. By means of the wet type electrostatic dust collector, tiny dust, SO3, heavy metal and the like in smoke can be efficiently removed, meanwhile, waste water zero discharging is achieved, environmental friendliness is achieved, and good economic benefits and social benefits are achieved.

An dust collection filter unit 100 has a pleated filter 105 formed by folding a filter material, and a frame body 106 for which the pleated filter 105 is attached to the inside thereof, and in addition to these, has a support structure for the pleated filter 105. The support structure is provided inside the frame body 106, to support a plurality of folded portions of the pleated filter 105, thereby maintaining the shape of the pleated filter 105.

The invention relates to a polyaniline, comprising aniline units and organosulphur units, characterized in that the polyaniline is doped and has a number average degree of polymerization of approximately 5 to approximately 50. The scope of the invention also includes a process for the preparation of polyaniline, wherein aniline and at least one organosulphur unit are converted to a polyaniline derivative in an oxidative, acid-catalyzed polymerization reaction. A subject of the invention is also a coated substrate which is coated with the polyaniline according to the invention and also a process for the coating of the substrate. The scope of the invention furthermore also includes a coating composition which is suitable for the coating of the substrate. The invention thus also relates to a process for the preparation of the coating composition. A subject of the invention is also the use of polyaniline which is doped and has sulphur in the main polymer chain for water treatment and / or for the purification of air and also a purification reactor for carrying out the purification process.

An apparatus for airborne particle sorting is provided comprising a charging system adapted for applying an electrostatic charge to the particles, such that particles of at least a first group are deflected to a greater extent than particles of a second group are deflected. A focusing system is adapted for electrostatically focusing substantially at least the particles of the first group into a focused stream that is narrower than the input air stream. A deposition system is adapted for substantially depositing the particles of the first group from the focused stream upon a target surface, where the target surface may be transported to an analysis system capable of analyzing the particles deposited thereon.

The invention discloses a device and a method for treating evaporation and desulfurization waste water of high-temperature flue gas and belongs to the field of treatment of industrial waste water. Thedevice comprises an SCR (selective catalytic reduction) catalytic denitration system, an air preheater, an electrostatic precipitator, an induced draft fan, a wet desulfurization absorption tower anda chimney which are connected in sequence, wherein a desulfurization waste water storage box is connected with the bottom of the wet desulfurization absorption tower and connected to a water inlet inthe top of an evaporation tower through a water pump; a high-flow gas inlet and a low-flow gas inlet are formed in the top and the bottom of the evaporation tower respectively; the two gas inlets areconnected with a gas diverter outlet respectively, and a gas diverter inlet is connected with the induced draft fan and a gas flue between the SCR catalytic denitration system and the air preheater;a gas outlet formed in the middle of the evaporation tower is connected with a gas flue between the air preheater and the electrostatic precipitator through a gas outlet pipeline. According to the device and the method, the evaporation effect is improved, energy consumption is reduced, content of gaseous chlorine at the outlet of the evaporation tower is reduced, and safe and stable operation of follow-up equipment is facilitated.

A nanofeature particulate trap comprising a plurality of densely packed nanofeatures, such as nanotubes, and a particulate detector incorporating the nanofeature particulate trap are provided. A method of producing a nanotrap structure alone or integrated with a particulate detector is also provided.

This invention relates to the field of connectors used to connect gas sources to apparatus for the administration or other use of gas or mixtures of gases, and more specifically to filters used to remove biological contaminants that might be colonized with the pressurized containers used in gas administration for respiratory support of a user or patient or other applications where biological contamination is not desired.

The invention belongs to the field of an environment protective control, which particularly relates to an electric dedusting control system and a control method thereof; the invention is essentially applicable to the fields such as the power supply system, cement, metallurgy, nonferrous metals and chemical industries, including a central control system, an upper machine set and a lower machine set; the industrial Ethernet based on the TCP / IP protocol is adopted among upper computers in the upper machine set and between the upper computers and lower computers, the lower machine set is connected with the central control system by a switch software Ethernet, the central control system is taken as a monitoring control terminal to design, alter and debug the operation of the system in the upper computer image monitoring control terminal software; the electric dedusting control method includes a fan control, an evaporation low temperature control, an electric field control, a rapping control, a changing-over station control and a gas cold control. The environment protective control of the invention has high degree of automation, low operation cost, small electric energy consumption, convenient maintenance and management and relatively high dedusting efficiency.