An electrostatic precipitating apparatus for a cooling tower is provided. The precipitating apparatus include an electrostatic precipitator including a plurality of discharge electrodes to which a voltage is applied and a plurality of electrostatic precipitating electrodes each disposed between the discharge electrodes and grounded, a washing water supply spraying the washing water to the electrostatic precipitator, and a frame assembly supporting the electrostatic precipitator. The electrostatic precipitator includes a first setting beam having a plurality of lower slots into which the discharge electrodes are fixedly inserted, and the frame assembly includes a lower frame extending in a stacking direction of the discharge electrodes to support the first setting beam, via which a voltage is applied to the discharge electrode.

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 precipitator 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 installed in the housing. The collection module includes a plurality of discharge electrodes, to which a voltage is applied, and a plurality of collection electrodes grounded and disposed between the discharge electrodes. The apparatus further comprises a washing water feeder to spray washing water to the collection module, and a washing water treatment device disposed beneath the collection module to accommodate the washing water dropped from the collection module.

The invention relates to a rack (21, 27, 28) for supporting electrostatic filter plates (22, 23) of an electrostatic filter (20). The rack (21, 27, 28) is an elongated member comprising a plurality of notches (11) on a longitudinal side of the rack (21, 27, 28) for supporting a plate (22, 23) arranged to a notch (11). The rack (21, 27, 28) further comprises a slot (26) for adhesive arranged to be used at least for attaching the plates (22, 23) to the rack (21, 27, 28). The slot (26) is arranged on the opposite side of the rack (21, 27, 28) than notches (11). There is also an opening (24) in the first group of plates (22) at that point where the plates (22) are aligned with the voltage supply rack (28) but which are not attached to that rack (28). The invention further relates to an electrostatic filter (20) comprising a plurality of racks.

A non-exhaust fine dust collecting apparatus using friction electricity is disclosed. An exemplary embodiment of the present invention provides a non-exhaust fine dust collecting apparatus using friction electricity, including: an air pipe mounted in a vehicle and provided with an inlet through which fine dust generated in a vehicle and charged with a first polarity flows together with air; and a dust collector mounted at a side of an outlet of the air pipe and charged with a second polarity that is opposite to the first polarity to collect the fine dust charged with the first polarity.

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.

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 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.