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    • 123. 发明公开
    • VORRICHTUNG ZUR FILTRATION VON FLIESSFÄHIGEN MEDIEN
    • 装置进行过滤流媒体
    • EP1274496A1
    • 2003-01-15
    • EP01921327.1
    • 2001-03-13
    • Aaflowsystems GmbH & Co. KG
    • BLÄSE, DieterOLAPINSKI, HansFEUERPEIL, Hans-Peter
    • B01D33/21B01D33/39
    • B01D63/16B01D33/21B01D33/37B01D33/39B01D33/68
    • The invention relates to a device for filtering flowable media, especially for carrying out a preliminary sorting of media, comprising the following: a first pack of plate-like hollow bodies (3) arranged parallel to each other at a mutual distance from each other and whose walls consist of a sieving material; a hollow shaft (1) penetrating the hollow bodies (3), connected thereto in a rotationally fixed manner, provided with a drive mechanism and whose interior is conductively connected to the interiors of the hollow bodies (3); a second pack of plate-like hollow bodies (4) that are arranged in the same way as the other hollow bodies (3); a second shaft (2) which is arranged in the same way as the first; the shafts (1,2) of both packs are embodied and arranged in such a way that the hollow bodies (3) of the first pack engage in a tooth-like manner with the cavities between the hollow bodies (4) of the second pack; the packs and shafts are enclosed by a container (5): the container has an inlet (5.1) for the medium which is to be treated and an outlet (5.2) for the residue: the hollow shafts are respectively provided with an outlet (1.1, 2.1) for the filtrate; the bodies are driven in the same direction of rotation; the relative velocity of the bodies is substantially constant around the overlap region when seen in a radial direction.
    • 127. 发明授权
    • Filter apparatus
    • 过滤器
    • EP0296284B1
    • 1993-03-31
    • EP87305577.6
    • 1987-06-23
    • FILTERWERK MANN & HUMMEL GMBH
    • Wykoff, Richard H.
    • B01D33/00B01D33/06
    • B01D33/067B01D33/073B01D33/37B01D33/503B01D2201/287
    • The present invention provides a rotary drum filter wherein one or preferably two rotary drum filters (10, 12) are submerged in a tank (18) of liquid to be filtered (16). Each rotary drum filter is comprised of a generally cylindrical tank having a perforated outer wall plate (22) over which is applied a cloth type filter media (28). A suction pipe (46) is included inside the rotary drum filter so that filtered liquid can be drawn into the rotary drum filter through the pressure differential established by the suction pipe. Clean filtered liquid exits the suction pipe to the industrial apparatus with which the filter apparatus is used. A backwash vacuum box (90) extending generally the length of the rotary drum filter media is in contact with a portion of the rotary drum filter media. A partial vacuum is established in the vacuum box such that filtered liquid can be drawn outwardly from the rotary drum filter such that solids accumulated on the filter media are drawn off from the filter media thereby cleaning that section of the filter media. Drive means are provided to rotate the rotary drum filter so that the backwash vacuum box is exposed to the entire circumference of the rotary drum filter upon one complete revolution of the rotary drum filter.