FIELD: water distilling plants for region with deficiency of potable water.
SUBSTANCE: proposed distilling plant is provided with evaporator made in form of frameless hemispherical airtight dome of variable section which is made from black fabric translucent for infra-red rays at minimum air permeability (percale)at minimum specific gravity. Variable section of dome ensures optimization of convective flows of vapor inside evaporator and obtaining optimal angle of incidence of sun beams. Surface of evaporator dome is maintained due to excessive pressure inside it built up by supply fan and air (vapor) contained inside dome and heated by infra-red rays of sunlight. Salt water heated in first stage of condenser is sprayed b vortex injectors in evaporator. Air supplied to evaporator by supply fan is preliminarily heated in second stage of condenser.
EFFECT: enhanced efficiency at low outlays.
1 dwg
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