US 12,275,018 B2
Electrostatic precipitator
Kazutaka Tomimatsu, Kanagawa (JP); Masaya Kato, Kanagawa (JP); Takao Tanaka, Kanagawa (JP); and Yasutoshi Ueda, Tokyo (JP)
Assigned to MITSUBISHI HEAVY INDUSTRIES POWER ENVIRONMENTAL SOLUTIONS, LTD., Yokohama (JP)
Appl. No. 17/264,052
Filed by MITSUBISHI HEAVY INDUSTRIES POWER ENVIRONMENTAL SOLUTIONS, LTD., Kanagawa (JP)
PCT Filed Aug. 1, 2018, PCT No. PCT/JP2018/028777
§ 371(c)(1), (2) Date Jan. 28, 2021,
PCT Pub. No. WO2020/026370, PCT Pub. Date Feb. 6, 2020.
Prior Publication US 2021/0283621 A1, Sep. 16, 2021
Int. Cl. B03C 3/51 (2006.01); B03C 3/02 (2006.01); B03C 3/08 (2006.01); B03C 3/47 (2006.01)
CPC B03C 3/51 (2013.01) [B03C 3/025 (2013.01); B03C 3/08 (2013.01); B03C 3/47 (2013.01); B03C 2201/14 (2013.01)] 3 Claims
OG exemplary drawing
 
1. An electrostatic precipitator, comprising:
a casing including a gas inlet from which a gas flows in and a gas outlet from which the gas is discharged outside the casing;
a collecting electrode configured to collect particulate matter by Coulomb force and provided in parallel along a gas flow direction of the gas that flows from the gas inlet to the gas outlet in the casing, including a plurality of openings being formed in the collecting electrode; and
a discharge electrode arranged in parallel with the collecting electrode, wherein
the collecting electrode comprises a plurality of collecting electrodes,
the discharge electrode comprises a plurality of discharge electrodes,
the plurality of the collecting electrodes and the plurality of the discharge electrodes are alternately arranged in a direction orthogonal to the gas flow direction,
the discharge electrode includes a plurality of corona discharge portions for corona discharge, the plurality of corona discharge portions are continuously provided in the gas flow direction, and are protruding toward only one collecting electrode of the collecting electrodes that face each other, and
each tip of the plurality of corona discharge portions is configured to be directed to one of the openings of the collecting electrode so that a part of an ionic wind flowing from the discharge electrode toward the collecting electrode escapes to a back side of the collecting electrode.