| 摘要 |
Filter device useful in continuous separation of solid matter from a fluid, such as liquid wastewater where the filter includes a tubular filter element with a series of slots of selected width extending through the tubular element. The element has a central opening and can be received in a casing to form an annular area between the tubular filter element and the casing so the central opening is open to receive the fluid to be filtered as the fluid flows through the slots from the central opening to the annular area. The casing can also include an outlet from the annular area so the fluid can be emitted from the assembly. A seal can be provided between the tubular element and the inside of the casing at a location below the slots in the tubular element and above the outlet from the casing.
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