FIELD: power, chemical, mining industry, metallurgy. SUBSTANCE: conduits for flow of fluid media in heat exchanger are fitted with vortex generators arranged on outer surfaces of tubes manufactured in the form of flexible metal rods mounted along spiral with spacing t/Dн = 0,44-0,75 and ratio of rod diameter to outer diameter of tube determined as d/dн = 0,06-0,08. EFFECT: diminished settling of suspension on outer surfaces, intensified heat exchange. 1 dwg
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