Patent ID: 6464758
Filing Date: 2002-10-15
Classification: B01D,D21D

Abstract:
A degassing apparatus for degassing a medium which is one of liquid and pasty in a machine for at least one of producing and upgrading a fiber material web, said apparatus comprising:a vessel rotatable and essentially oriented about an essentially vertical axis of rotation, said vessel having a vessel interior, a vessel length, an upper vessel end and a lower vessel end; a medium-supply device configued for introducing the medium into said vessel; a medium-discharge device configured for discharging a low-gas fraction of the medium out of said vessel, said medium-discharge device having a medium outlet orifice through which the low-gas fraction of the medium is discharged, said medium-discharge device further having a plurality of guide vanes proximate said medium outlet orifice, said guide vanes being jointly rotatable with said vessel, each said guide vane being configured for string a flow of the low-gas fraction of the medium upon passage thereof through said medium outlet office; and a gas-discharge device configured for discharging a gas-rich fraction of the medium out of said vessel, said gas-discharge device having an immersion tube arrangement including at least one immersion tube, each said immersion tube having a tube inlet orifice arranged so as to be at least adjacent to said axis of rotation, each said immersion tube being mounted relative to said upper vessel end and extending from said upper vessel end only a portion of said vessel length into said vessel interior.