Deaeration vessel
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United States of America Patent
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Aug 1, 2000
Grant Date -
N/A
app pub date -
May 26, 1998
filing date -
Oct 24, 1995
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Abstract
An improved double acting deaeration vessel is most desirably used in the pulp and paper industry. The deaeration vessel removes gas from a fiber suspension without requiring fine adjustment of the final consistency of the suspension fed to the deaeration vessel. In the same gas volume where the fiber suspension is treated in the deaeration vessel a second partition wall forming a second weir is provided, and the vessel jacket is provided with one or more inlets for a second fluid medium to be introduced into the vessel, with an outlet for the substantially gas free second fluid medium. A common outlet is provided in the common gas volume for gas separated from both the fiber suspension in the second fluid medium, as well as an outlet for the fraction of the second fluid medium separated by the weir.
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