Gas separation – With separated gas outflow control – With heating or cooling means
Patent
1987-11-10
1989-07-18
Spitzer, Robert
Gas separation
With separated gas outflow control
With heating or cooling means
55479, 55486, 55516, 210291, B01D 2316, B01D 4630
Patent
active
048489921
ABSTRACT:
A gas filter system, suitable for use in a safety installation for nuclear reactor confinement vessels, comprises a generally cylindrical enclosure having a closed bottom. In an upper part of the enclosure is an inlet for the gas to be filtered. There is an outlet for the filtered gas at the side of a lower part of the enclosure. The gas passes at a low speed through a horizontal filter bed of predetermined thickness consisting of a layer of a granular filter medium. The filter medium is supported by a supporting layer of a lightweight granular material which has an average particle size greater than that of the filter medium. This layer extends down to the closed bottom of the enclosure. The filtered gas is recovered and conveyed to the outlet by a plurality of tubular members which have walls through which the gas can pass and which are placed in the supporting layer. These tubular members discharge into an annular manifold on the outside periphery of which is the outlet for the filtered gas.
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Couvrat-Desvergnes Alexandre
Lebrun Bernard
Electricite de France (Service National
Spitzer Robert
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