Air filtration assemblies configured to provide instant detection of particles and/or improve particle filtration are disclosed. The assemblies may include an air inlet duct in fluid communication with a compressor of a gas turbine system. The air inlet duct may include an inlet for receiving intake air including intake air particles, and an outlet positioned opposite the inlet. The assembly may also include a plurality of vane filters at the inlet, an array of fabric filters positioned in the air inlet duct, downstream of the vane filters, and a silencer assembly positioned in the air inlet duct, downstream of the fabric filters. Additionally, the assembly may include an electrostatic component positioned in the air inlet duct, downstream of the fabric filters. The electrostatic component may be configured to charge the intake air particles that pass through the vane filters and the fabric filters.

Various embodiments of a system for the removal of particulate emissions from an electric generating unit are provided, comprising: a gas producer; a primary particulate collector unit including: a primary collection hopper field each including at least one primary collection hopper, wherein each primary collection hopper includes a primary collection hopper outlet, each primary collection hopper outlet fluidically connected to a particulate discharge duct; a flue duct inlet oriented upstream of the at least one primary collection hopper field; a flue duct outlet oriented downstream of the primary collection hopper field; wherein the gas producer is fluidically connected to the primary particulate collector unit by a flue duct; and a particulate recirculation duct fluidically connected at a first end to the primary collection hopper and/or the particulate discharge duct, and fluidically connected at a second end to the flue duct upstream of the primary particulate collector unit.

The present invention removes, by a preprocessing unit, harmful chemical materials and radioactive materials supplied to a positive pressure chamber and a negative pressure chamber and supplies same, removes contaminants discharged to the outside from the negative pressure chamber and sterilizes bacteria and floating viruses and discharges same, and adjusts, by a control circuit of a control panel, the rotating speed (RPM) of an air supply/discharge fan and adjusts the opening rate of an electric damper according to data that is measured in a pressure sensor provided in a space in which the positive pressure and the negative pressure are to be maintained and is transmitted in real time.

The present invention includes a device, a system, and a method for enhancing a particle separation efficiency, including a particle charging device adapted to impart predominately unipolar charging on a plurality of particles in a fluid stream, e.g. a gas stream; wherein the particle charging device is positioned upstream from and adapted to provide the plurality of particles charged by the particle charging device to a particle deflection device capable of separating the particles charged by the particle charging device from a core fluid flow that is substantially free of dust particles.

A disclosed system for reducing particulate matter in exhaust gas includes: a processing object unit having a preset system voltage and configured to produce exhaust gas containing particulate matters (PMs); a first conductor provided in the form of a tubular body in which the exhaust gas flows and to which a ground power supply is connected; a second conductor disposed in the first conductor and having an emitter which comes into contact with the exhaust gas and generates non-thermal plasma (NTP); an insulator configured to electrically separate the second conductor from the first conductor; and a transformer provided to be electrically insulated from the first conductor and fixedly disposed outside the tubular body that constitutes the first conductor, the transformer being configured to receive the system voltage, raise the system voltage to a preset operating voltage, and apply the preset operating voltage to the second conductor.

An unmanned aerial vehicle may include a GPS configured to provide location coordinates for the unmanned aerial vehicle during flight and an ionization filter configured to trap radioactive particles. The unmanned aerial vehicle includes a radiation detector configured to measure radiation emitted from the trapped radioactive particles, and a memory device configured to store and associate the GPS coordinates and the measured radiation.

A variable bidirectional electrostatic filter system with an adjustable distance between a charging part and a dust collecting part is provided herein and includes a high voltage applying means configured to supply a high voltage; a filter housing; a dust collecting part; a forward charging part; a reverse charging part; a forward movement rail installed in the filter housing and configured to adjust a distance from an amplification section while forming the amplification section between the forward charging part and the dust collecting part; a reverse movement rail installed in the filter housing; and a control unit providing an amplification section, in which the charged capturing targets are agglomerated, between the charging part and the dust collecting part and by adjusting the distance from the amplification section prevents unnecessary waste of energy and maintain dust collecting efficiency.

The present disclosure relates to a fine dust removal system including a conductive filter module, and more particularly, to a fine dust removal system having a conductive filter module which includes a cylindrical conductive filter to thereby implement high fine dust removal efficiency with low pressure loss and which can be easily, generally applied to and used in an air cleaner to be installed in windows or in an independent indoor air cleaner.

The invention relates to a method and device for collecting particles which may be present in an aerosol. The invention consists in electrostatically collecting all the particles in an aerosol, but uncoupling mechanisms of particle charging by unipolar ion diffusion, for charging then collecting the finest particles, from particle charging by a corona effect electrical field, for charging then collecting the biggest particles in a different collection zone from the collection zone for the finest particles. The invention also relates to the use of such a device as ionisation chamber or for evaluating the exposure of workers or consumers to nanoparticles.

A device for cleaning of indoor air comprising capacitor precipitators, each consisting of two electrode elements or two groups of electrode elements connected to the respective pole of a high voltage source, air transported fans, at least one corona electrode and at least one counter electrode. The corona electrode and the counter electrode are each connected to the respective pole of a high voltage source. The device includes two air flow ducts for the air to be cleaned, which air flow ducts are placed along an axial reference line (AA) at a distance (d) from each other in the direction of the axial reference line (AA). Each air flow duct is associated with a capacitor precipitator and an air moving fan. At least one corona electrode is provided in the space between the air flow ducts. At least one counter electrode is located adjacent to the air flow ducts circumference. The air flow direction through the one air flow duct is diametrically opposite the air flow direction through the second air flow duct, and the air to be cleaned is passed into the space between the air flow ducts.