Steam jet ejector
ANA-Verfahrenstechnik
Steam jet air pumps are used for plants of rectification, evaporation, drying, sublimation, degassing, condensation, deodorisation and polymerization.
In similarity with steam jet vacuum pumps it is valid for steam jet air pumps that the reachable ratio of compression from the counterpressure to the suction pressure is limited. Therefore it is necessary at the suction from higher vacuum that the total compression ratio from the suction to the atmospheric pressure is splitted up to several steam ejectors. The number of stages is dependent on the driving steam pressure and the suction pressure.
The direct close to one another connection of several steam ejectors involves a high consumption of steam because each following stage has to suck and to compress the driving steam of the stage before. By interconnection of condensers the driving steam is condensed as far as possible.
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