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    • 60. 发明公开
    • FILTERVORRICHTUNG
    • EP2750779A1
    • 2014-07-09
    • EP12756095.1
    • 2012-08-22
    • Hydac Process Technology GmbH
    • SCHLICHTER, BernhardWNUK, RalfGESSNER, ChristianKAINTS, Albert
    • B01D29/11B01D29/52B01D29/66B01D35/12
    • B01D29/68B01D29/117B01D29/52B01D29/668B01D35/12
    • A filter device having a plurality of filter elements (23) that can be received in a filter housing (1) having a filter inlet (19) for a fluid that is to be filtered and a filter outlet (21) for the filtered fluid, wherein flow can pass through the filter elements (23) for a filtration or backwash in both directions and wherein at the same time at least one filter element (23) performs the filtration and at least one other filter element (23), for cleaning off the active filter surface thereof, can be backwashed by means of a backwash appliance which, for supporting the backwashing, contains a pressure control appliance (43) which has a pressure control element (45) by means of which, during a backwash operation, the fluid flow is controllable in a fluid connection between filter inlet (19) and the filter element (23) that is to be cleaned off, is characterized in that the fluid connection has a connection space (29) having element openings (27) each of which can be connected to an open end of the filter cavity forming the unfiltered side of each filter element (23), in that a fluid pathway (27) is provided via which, during the filtration, unfiltrate flows into the connection space (29) and in that, by means of the pressure control element (45), the flow of unfiltrate through the element opening (27) associated with the filter element (23) that is to be cleaned off can be controlled.
    • 一种过滤器装置,其具有多个过滤器元件(23),所述多个过滤器元件可容纳在具有待过滤流体的过滤器入口(19)和过滤流体的过滤器出口(21)的过滤器壳体(1)中, 其中流动可以在两个方向上穿过过滤元件(23)用于过滤或反洗,并且其中同时至少一个过滤元件(23)执行过滤并且至少一个其他过滤元件(23)用于清洗 其有源过滤器表面可借助于回洗装置进行回洗,所述回洗装置为了支持反洗,包含压力控制装置(43),该压力控制装置具有压力控制元件(45),借助于该压力控制元件,在反洗操作期间, 流体流动可在过滤器入口(19)与待清洗的过滤器元件(23)之间的流体连接中控制,其特征在于,流体连接具有连接空间(29),该连接空间具有元件开口(27) 它可以连接到一个ope 形成每个过滤器元件(23)的未过滤侧的过滤腔的一端,其中设置有流体通道(27),经过该流体通道(27),在过滤期间,未经过滤的流体流入连接空间(29)中,并且借助于 可以控制压力控制元件(45)的未过滤通过与待过滤的过滤元件(23)相关的元件开口(27)的流量。