Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1978-01-23
1980-07-08
Spitzer, Robert H.
Gas separation
Means within gas stream for conducting concentrate to collector
55208, 55387, B01D 5304
Patent
active
042115426
ABSTRACT:
An apparatus and a method for producing dry, compressed air to be used for electrical switchgear, especially for high-tension switchgear, is disclosed in which humidity is extracted from the air in a subsequently arranged sorption dryer, with one portion of the dried air being used to regenerate a drying agent of the drying apparatus. The drying apparatus includes a cylindrical inner housing which is used for the pre-drying of the air, an outer housing which surrounds the former in jacket form for the final drying and a desorption volume. An electric heating rod protrudes concentrically into the inner housing and is covered by either a baffle device or a pipe so that a ring-gap is created between two components, with the ring-gap divided into two halves. The air is pre-dried in the first drying chamber prior to its entry into the compressor, with the temperature of the air being kept above the dew point during compression and cooling. The air is then heated prior to a second or final drying process with the remaining moisture being removed during the course of this drying process so that the entire humidity of the air is extracted in the steam phase.
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BBC Brown Boveri & Company Limited
Spitzer Robert H.
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