An electrostatic charging air cleaning device. The device includes a pre-charger configured to generate a corona discharge to electrostatically charge particulate matter in an air stream. The device further includes a separator downstream from the pre-charger configured to convey the electrostatically charged particulate matter and formed of an insulative material. The device also includes a collection electrode configured to receive and to absorb the conveyed electrostatically charged particulate matter. The collection electrode includes a substrate material and a coating layer coated onto the substrate material. The coating layer includes a carbon black material and a polymeric binder. The substrate material is a metal plate including mechanical perforations.

The invention provides an electrostatic precipitator, including: a gas inlet, supplied with gas containing dust that is a magnetic substance; a charging part, charging the dust; a collecting part, capturing the charged dust; a cleaning device, including at least one of a charging part cleaning device and a collecting part cleaning device; a magnet filter, provided downstream of the collecting part; an ozone removing filter, provided downstream of the magnet filter and removing ozone from the gas; and a gas outlet, discharging the gas in which the dust and the ozone are removed. In the magnet filter, multiple magnet plates are arranged at a predetermined interval. A downstream side of each magnet plate provided on an upper side with respect to a center is inclined downward. A downstream side of each magnet plate provided on a lower side with respect to the center is inclined upward.

Provided is a cooking apparatus including: a main body; and a ventilator comprising a ventilator body including an inlet configured to inhale air containing oil mist generated in a cooking process using a heating device, a blower configured to blow the inhaled air from the inlet; and an oil mist filter positioned inside the ventilator body, and configured to remove the oil mist by filtering the oil mist from the inhaled air.

A electrostatic precipitator includes a charger configured to charge foreign substances introduced thereinto, and a dust collecting sheet on which the charged foreign substances are collected, The dust collecting sheet includes a first electrode, a second electrode spaced apart from the first electrode to face the first electrode and on which the foreign substances passed through the charger are collected, a first power connector electrically connected to the first electrode so as to apply a voltage to the first electrode, a second power connector electrically connected to the second electrode so as to apply a voltage having a potential difference with the first electrode, to the second electrode, and a third power connector additionally electrically connected to the second electrode to apply additional voltage to allow the second electrode to generate heat.

A system for the purification of the particulate present in fumes and in exhaust gases in combustion processes comprises an Ionizing Part (PI) and a Collection Pan (PR). The Ionizing Part (PI) comprises a perforated portion (40, 50) with at least one electron emitter in the holes (42, 52), consisting of one or more tips (P) to which a negative voltage is applied to create an electron cloud. The negative power supply is provided by a constant voltage generator. The fumes and exhaust gases arc passed through the Ionizing Part (PI) to transfer a negative charge to the particles of the particulate present in the flow of fumes and exhaust gases. The Collection Part (PR) comprises a plurality of positively loaded facing and spaced plates (22b) interposed with a plurality of shield plates (20b) to which no voltage is applied and are not connected to ground, to collect the particles of particulate previously negatively charged.

A system for the purification of the particulate present in fumes and in exhaust gases in combustion processes comprises an Ionizing Part (PI) and a Collection Pan (PR). The Ionizing Part (PI) comprises a perforated portion (40, 50) with at least one electron emitter in the holes (42, 52), consisting of one or more tips (P) to which a negative voltage is applied to create an electron cloud. The negative power supply is provided by a constant voltage generator. The fumes and exhaust gases arc passed through the Ionizing Part (PI) to transfer a negative charge to the particles of the particulate present in the flow of fumes and exhaust gases. The Collection Part (PR) comprises a plurality of positively loaded facing and spaced plates (22b) interposed with a plurality of shield plates (20b) to which no voltage is applied and are not connected to ground, to collect the particles of particulate previously negatively charged.

A system for the purification of the particulate present in fumes and in exhaust gases in combustion processes, comprising an Ionizing Part (PI) and a Collection Part (PR), wherein the Ionizing Part (PI) comprises a perforated portion (40, 50) with at least one electron emitter inside the holes (42, 52) consisting of one or more tips (P) to which a high negative voltage is applied to create an electron cloud, wherein said negative supply is provided by a constant voltage generator, in which the fumes and exhaust gases are passed through the Ionizing Part (PI) to transfer a negative charge to the particles of particulate present in the flow of the fumes and exhaust gases, and wherein the Collection Part (PR) comprises a plurality of metal pipes (20) positively charged to collect the particles of particulate previously negatively charged.

A system for the purification of the particulate present in fumes and in exhaust gases in combustion processes, comprising an Ionizing Part (PI) and a Collection Part (PR), wherein the Ionizing Part (PI) comprises a perforated portion (40, 50) with at least one electron emitter inside the holes (42, 52) consisting of one or more tips (P) to which a high negative voltage is applied to create an electron cloud, wherein said negative supply is provided by a constant voltage generator, in which the fumes and exhaust gases are passed through the Ionizing Part (PI) to transfer a negative charge to the particles of particulate present in the flow of the fumes and exhaust gases, and wherein the Collection Part (PR) comprises a plurality of metal pipes (20) positively charged to collect the particles of particulate previously negatively charged.

The present invention relates to an electrification device and an electrical dust collecting apparatus including the same capable of adsorbing and filtering fine dust included in air in an air conditioning apparatus such as an air conditioner or an air cleaner, and more particularly, to an electrification device and an electrical dust collecting apparatus including the same capable of improving dust collecting efficiency by performing stable electrification at an accurate position using an electrification electrode in which an electrification pin and an electrode rod are formed integrally with each other.

The present invention relates to an electrification device and an electrical dust collecting apparatus including the same capable of adsorbing and filtering fine dust included in air in an air conditioning apparatus such as an air conditioner or an air cleaner, and more particularly, to an electrification device and an electrical dust collecting apparatus including the same capable of improving dust collecting efficiency by performing stable electrification at an accurate position using an electrification electrode in which an electrification pin and an electrode rod are formed integrally with each other.