Multi-stage flash evaporator design

Details Multi-stage flash evaporator design Multi-stage flash evaporator design

1980-07-03

1982-03-09

Sever, Frank

Distillation: apparatus

Apparatus

Systems

159 2MS, 202205, B01D 302, B01D 310

Patent

active

043187803

ABSTRACT:
A multi-stage flash evaporator design wherein two flash evaporator stages are paired in tandem with each individual condenser tube bundle. The condenser tube bundle is enclosed in a housing that is partitioned to define two separate condenser chambers and the housing is also partitioned to define two cross-flow evaporator stages. The condenser tubes extend to opposite ends of the housing and each evaporator chamber has a width substantially equal to the full extent of the condenser tubes with the brine entry port extending the full width of such chamber; however, the vapor from each flash chamber is directed to only a portion (i.e. generally one-half) of the condenser bundle with the partitions maintaining each condenser portion generally sealed from the vapor of the adjacent evaporator chamber. An internal vent orifice directs the non-condensible vapors of the high temperature chamber into the low temperature chamber.

REFERENCES:
patent: 3763014 (1973-10-01), Barba et al.

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