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    METHOD AND DEVICE FOR IMPROVED PREFILTRATION
    1.
    发明公开
    METHOD AND DEVICE FOR IMPROVED PREFILTRATION 审中-公开
    提高预处理的方法和装置

    公开(公告)号：EP3216507A1

    公开(公告)日：2017-09-13

    申请号：EP17159766.9

    申请日：2017-03-08

    申请人： Della Toffola S.p.A.

    发明人： DELLA TOFFOLA, Giacomo ,  BONOTTO, Amedeo

    IPC分类号： B01D35/16 ,  B01D29/44 ,  B01D29/60 ,  B01D29/64 ,  B01D29/66 ,  B01D29/86 ,  B01D29/88

    CPC分类号： B01D29/44 ,  B01D29/603 ,  B01D29/6476 ,  B01D29/66

    摘要： An improved prefiltering method, in particular for prefiltering organic liquid products in the food processing sector, of the type comprising a filtering module (3), in which the product to be treated is radially pushed outwards against the perforated walls of a filtering element (6), so as to separate the filtrate, which is thus collected and extracted through at least one outlet, from the retentate, which is then reintroduced into the filtering module (3) itself by means of a recirculation circuit (18), characterized in that:
    - the speed/flow rate of the product to be treated is detected by means of a speed/flow rate sensor (22) positioned in the recirculation circuit (18), in which a centrifugal pump (20) for recirculating said product to be treated is also provided,
    - the speed/flow rate detected by means of said sensor (22) is compared at predetermined frequency with a predetermined value and, when said predetermined value is reached, said centrifugal pump is deactivated and the opening of a discharge valve is controlled (30) to make the solid fraction of the product to be treated, which accumulated in said filtering element (6) during the prefiltering treatment, exit from said filtering element (6).

    摘要翻译： 一种改进的预过滤方法，特别是用于预过滤食品加工领域中的有机液体产品的预过滤方法，其包括过滤模块（3），其中待处理的产品径向向外推向过滤元件（6）的穿孔壁 ），以便将通过至少一个出口收集和抽出的滤液从滞留物中分离，然后通过再循环回路（18）将其自身再次引入到过滤模块（3）中，其特征在于， ： - 通过位于再循环回路（18）中的速度/流速传感器（22）检测待处理产品的速度/流速，其中用于再循环所述产品的离心泵（20） - 通过所述传感器（22）检测的速度/流率以预定频率与预定值进行比较，并且当达到所述预定值时，所述离心泵被停用，并且o 控制（30）排放阀的排气，以使在预过滤处理期间积聚在所述过滤元件（6）中的待处理产品的固体部分从所述过滤元件（6）排出。

    DETECTION DEVICE AND METHOD
    2.
    发明公开
    DETECTION DEVICE AND METHOD 审中-公开
    NACHWEISVORRICHTUNG UND VERFAHREN

    公开(公告)号：EP2795285A2

    公开(公告)日：2014-10-29

    申请号：EP12816238.5

    申请日：2012-12-21

    申请人： Grundfos Holding A/S

    发明人： ANDERSEN GAD, Jens ,  ENEMARK, Heidi L. ,  AL-SABI, Mohammad Nafi Solaiman ,  KURTZHALS, Jørgen

    IPC分类号： G01N1/40 ,  B01D29/01

    CPC分类号： G01N21/01 ,  B01D29/0095 ,  B01D29/603 ,  B01D29/606 ,  B01D29/66 ,  B01D39/10 ,  G01N1/40 ,  G01N1/4077 ,  G01N2001/4094

    摘要： The invention relates to a device and a method for detecting particles, in particular parasites, in drinking water adapted to on-line application. In particular, the invention relates to a method for detecting parasites in water, said method comprising: Passing at least a part of the water through a filter; Applying indirect sonication with ultrasound to said filter to release parasites which have been collected in said filter without disrupting said parasites; Collecting parasites for detection; and Detecting the collected parasites. This serves to collect parasites in the filter and/or increase the concentration of parasites before the filter and/or disrupt aggregates without disrupting the parasites
    per se . The invention further relates to a concentration device for filter filtration concentration of particles from a volume of a fluid. The concentration device comprises an ultrasonic transducer that is configured to clean the filter.

    摘要翻译： 本发明涉及用于在适于在线应用的饮用水中检测颗粒，特别是寄生虫的装置和方法。 特别地，本发明涉及一种用于检测水中寄生虫的方法，所述方法包括：使至少一部分水通过过滤器; 对所述过滤器应用超声波间接超声处理以释放已经收集在所述过滤器中而不破坏所述寄生虫的寄生虫; 收集寄生虫进行检测; 并检测收集到的寄生虫。 这用于在过滤器中收集寄生虫和/或增加过滤器之前的寄生虫的浓度和/或破坏聚集体而不破坏寄生虫本身。 本发明还涉及一种用于从一定体积的流体过滤过滤浓缩颗粒的浓缩装置。 浓缩装置包括被配置为清洁过滤器的超声换能器。