Apparatus for mixing a chemical medium with a pulp suspension
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United States of America Patent
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Jun 10, 2008
Grant Date -
Jun 22, 2006
app pub date -
Dec 8, 2003
filing date -
Dec 12, 2002
priority date (Note) -
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Abstract
Apparatus for mixing a chemical medium with a pulp suspension is disclosed, comprising a housing, a first feeder for feeding the pulp suspension to a mixing chamber, a rotor body connected to a rotor shaft to supply kinetic energy to the pulp suspension flow, such that turbulence is produced in a turbulent flow zone in the mixing chamber, a second feeder for feeding the chemical medium to the mixing chamber, and a flow-restraining disk in the outlet from the mixing chamber with flow passages arranged to temporarily increase the flow velocity of the pulp suspension, the second feeder comprising a chemical distribution element integrated with the rotor body to distribute the chemical medium close to the turbulent flow zone, and the rotor body comprising a number of rotor pins which extend from the rotor shaft.
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