| 摘要 |
An electrostatic dust precipitator ( 1 ) is constructed mainly to include a housing ( 11 ) in which an air path ( 10 ) communicating between an inlet ( 8 ) and an outlet ( 9 ), an airstream generating unit ( 14 ) that causes generation of an airstream in the air path ( 10 ), a discharging unit ( 2 ) and a discharge guide unit ( 3 ) that charge fine particulate ( 103 ) with a corona discharge ( 100 ), a charging unit ( 4 ) that causes the fine particulate ( 103 ) charged with the corona discharge ( 100 ) to repel in accordance with a coulomb force, an attracting unit ( 5 ) that allows the fine particulate ( 103 ) to be attracted in accordance with the coulomb force and that thereby collects the fine particulate ( 103 ), a voltage supply unit ( 15 ) that supplies a discharge voltage for generation of the corona discharge ( 100 ) and for repelling by the charging unit ( 4 ) in accordance with the coulomb force, and a drive controller unit ( 20 ) that causes rotational driving of discharge plates and attracting plates.
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