Process and apparatus for thermal treatment of a mixture of solid substances and gases
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United States of America Patent
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Aug 2, 1994
Grant Date -
N/A
app pub date -
Dec 21, 1992
filing date -
Dec 24, 1991
priority date (Note) -
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Abstract
An apparatus known per se for the thermal treatment of a mixture of solids and gases, comprising a vessel having an axially symmetrical interior, which vessel has in the lower part and in the upper part in each case at least one tangentially arranged opening, in the interior of the vessel at least one annular baffle tightly sealing to the vessel wall being arranged between the two openings, and the lower part of the vessel having a smaller diameter, is operated or is designed so that in the lower part a high radial velocity and short residence time prevail and in the upper part a low radial velocity and long residence time prevail.
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