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    A FILTER IN A SPIRAL TYPE FORMING A PLURALITY OF PROMINENCE AND DEPRESSION IN THE FORM OF THE RIB OF A FAN IN TURN ON SURFACE AND MANUFACTURING METHOD AND MACHINE THEREFOR
    1.
    发明公开
    A FILTER IN A SPIRAL TYPE FORMING A PLURALITY OF PROMINENCE AND DEPRESSION IN THE FORM OF THE RIB OF A FAN IN TURN ON SURFACE AND MANUFACTURING METHOD AND MACHINE THEREFOR 审中-公开
    滤波器几个区域中的螺旋型ON HIS受过训练的预测以及孔中的风扇的肋和方法以及机器的形式

    公开(公告)号：EP1644099A4

    公开(公告)日：2009-04-29

    申请号：EP04711316

    申请日：2004-02-14

    申请人： DHINTERNAT CO LTD

    发明人： KIM JUN-SU ,  BAE DONG-HO

    IPC分类号： B01D39/00 ,  B01D39/16 ,  B26D1/06 ,  C02F3/10

    CPC分类号： B01D39/1607 ,  B26D1/06

    摘要： The objective of this invention is to provide a spiral filter, on a surface of which a plurality of prominences and depressions are alternatively formed at regular intervals, like ribs of a folding fan, and a method and a device for producing the same using a bite (25), reciprocating by converting a high-speed rotating motion into a high-speed reciprocating motion. The spiral filter has a relatively large surface area, and is applied to a contact oxidation process of decomposing organic contaminants contained in wastewater, in addition to filtering dust and contaminated gases contained in atmospheric air. At this time, microorganisms contained in the wastewater are easily and firmly attached to the surface of the spiral filter, a bio-layer is scarcely separated from the surface of the spiral filter, and attachment of the bio-layer to the surface of the spiral filter is maintained for a relatively long term.