FIELD: electrical equipment; ventilation.
SUBSTANCE: invention relates to air conditioning devices. Screw fan comprises a closed screw impeller arranged horizontally and submerged to the axis of rotation into a liquid. Such design of the fan enables intensive heat and mass exchange processes between the pumped gas, air or steam and liquid of the fan to obtain: separation of fine particles from gases, air or steam; dry air or gas saturation with liquid vapour; heating or cooling the air or gas due to heat exchange with the liquid.
EFFECT: simple design ensures reliable operation of the fan.
3 cl, 2 dwg
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Authors
Dates
2016-11-10—Published
2014-01-22—Filed