An example of a panel for use in collecting fluid in a gas stream includes a fluid collection member comprising one or more collection electrodes. The panel may include an emitter electrode assembly member comprising an emitter electrode frame and one or more emitter electrodes attached to the emitter electrode frame (e.g., disposed in a one- or two-dimensional array). The one or more emitter electrodes may be physically separated from the one or more collection electrodes. The fluid collection member may be physically connected to the emitter electrode assembly member. The one or more collection electrodes may be electrically insulated from the one or more emitter electrodes.

The present invention relates to an electric dust collection device comprising: an electrification unit; and a dust collection unit provided downstream of the electrification unit, wherein the dust collection unit comprises a plurality of bent parts formed by continuously bending one insulating sheet, each of the plurality of bent parts comprises: two flat surfaces bent so as to face each other at a predetermined interval; and a connection surface connecting respective one ends of the two flat surfaces in the vertical direction and having an opening, one flat surface of the two flat surfaces has an electrode for an anode, and the other one flat surface has an electrode for a cathode.

An air conditioning apparatus is provided. The air conditioning apparatus includes: a filter configured to have a first conductor layer, an insulating layer having a thickness in the range of 5 nm to 1000 nm, and a second conductor layer which are sequentially stacked, and include a plurality of holes penetrating through the first conductor layer, the insulating layer, and the second conductor layer; a fan assembly configured to suck air from the outside and provide the sucked air to the filter; a power supply device configured to provide alternating current power between the first conductor layer and the second conductor layer; and a processor configured to control the power supply device to selectively vary a frequency or a voltage magnitude of the alternating current power provided to the filter.

An air conditioning apparatus is provided. The air conditioning apparatus includes: a filter configured to have a first conductor layer, an insulating layer having a thickness in the range of 5 nm to 1000 nm, and a second conductor layer which are sequentially stacked, and include a plurality of holes penetrating through the first conductor layer, the insulating layer, and the second conductor layer; a fan assembly configured to suck air from the outside and provide the sucked air to the filter; a power supply device configured to provide alternating current power between the first conductor layer and the second conductor layer; and a processor configured to control the power supply device to selectively vary a frequency or a voltage magnitude of the alternating current power provided to the filter.

An example of a panel for use in collecting fluid in a gas stream includes a fluid collection member comprising one or more collection electrodes. The panel may include an emitter electrode assembly member comprising an emitter electrode frame and one or more emitter electrodes attached to the emitter electrode frame (e.g., disposed in a one- or two-dimensional array). The one or more emitter electrodes may be physically separated from the one or more collection electrodes. The fluid collection member may be physically connected to the emitter electrode assembly member. The one or more collection electrodes may be electrically insulated from the one or more emitter electrodes.

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.

The present invention relates to an electric dust collecting filter and an electric dust collecting device comprising same. An electric dust collecting filter according to one aspect of the present invention comprises a plurality of film electrodes that are arranged apart from each other at regular intervals and form an electric field to collect foreign matter in the air, wherein the film electrode includes: an insulating part that defines one surface and the other surface of the film electrode; a first electrode part disposed on one side inside the insulating part and having a plurality of first wire electrodes spaced apart from each other; and a second electrode part disposed on the other side inside the insulating part and having a plurality of second wire electrodes that are disposed between the plurality of first wire electrodes spaced apart from each other and provided alternately with the plurality of first wire electrodes.

The present invention relates to an electric dust collecting filter and an electric dust collecting device comprising same. An electric dust collecting filter according to one aspect of the present invention comprises a plurality of film electrodes that are arranged apart from each other at regular intervals and form an electric field to collect foreign matter in the air, wherein the film electrode includes: an insulating part that defines one surface and the other surface of the film electrode; a first electrode part disposed on one side inside the insulating part and having a plurality of first wire electrodes spaced apart from each other; and a second electrode part disposed on the other side inside the insulating part and having a plurality of second wire electrodes that are disposed between the plurality of first wire electrodes spaced apart from each other and provided alternately with the plurality of first wire electrodes.

Disclosed herein is a dust collecting tower apparatus that includes a housing having an inlet, into which gas is introduced, and an outlet from which the gas is discharged, and a collection module disposed in the housing and configured to collect particulates with a corona discharge. The collection module includes a plurality of discharge electrodes, to which a voltage is applied, a plurality of collection electrodes disposed between the respective discharge electrodes, where the collection electrodes is grounded, and a first setting beam having a plurality of lower slots into which the discharge electrodes are inserted. The apparatus further includes a washing water feeder configured to spray washing water to the collection module.

Disclosed herein is an electrostatic precipitation method using an electrostatic precipitator including a collection module having a collection electrode and a discharge electrode, a housing having an internal partition wall formed therein, an inlet-side passage switching member, and an outlet-side passage switching member. The electrostatic precipitation method includes collecting dust by applying a voltage to the discharge electrode while gas flows, closing some of the flow spaces, divided by the internal partition wall using the passage switching members, and performing dust collection for one of the opened flow spaces by applying a voltage to the discharge electrode therein, and performing washing for at least one of the closed flow spaces by supplying washing water to the collection electrode therein.