| 摘要 |
A filter device (19) is proposed for cleaning gas entraining foreign bodies, comprising: at least one filter unit (12) having at least one filter surface on a raw gas side to which a raw gas stream (44) containing foreign bodies can be supplied, wherein filtration aids can be supplied to the raw gas stream (44) and/or the filter surface, and wherein filtration aids and/or foreign matter attached to the filter surface can be cleaned off. The filter device (10) additionally comprises a fluidized bed arrangement (55) in which a carrier fluid stream (54) can be generated such that cleaned-off filtration aids and/or foreign matter can be held at least in part as filtration aerosol in a surrounding of the filter unit (12) and/or can re-attach to a filter surface.
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