Method and apparatus for mixing pulp a suspension with a fluid medium with a freely rotatable mixing rotor
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United States of America Patent
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Feb 27, 2001
Grant Date -
N/A
app pub date -
Nov 25, 1998
filing date -
Dec 20, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a method and an apparatus for mixing a pulp suspension with a fluid medium. The method and the apparatus according to the invention are particularly advantageous when used for mixing different chemicals, both liquid and gaseous, or steam into pulp suspension in the wood processing industry. In the method and the apparatus according to the invention, the pulp suspension and the fluid medium are fed into a mixer casing, mixed therein and removed from the casing, and a freely rotatable mixing rotor with mixing blades, is placed within the casing and turned by means of incoming flow of pulp suspension being in contact with the mixing blades of the rotor.
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