FIELD: heat exchanger equipment; power, chemical and mining industries; metallurgy. SUBSTANCE: heat exchanger includes working passages, swirls mounted smoothly along length of tube at pitch "t"; inclined blades are additionally provided with discrete turbolators in form of circular wire rods fitted at blade tips tightly adjoining inner wall of pipe; ratio of diameter of turbolator rod to inner diameter of tube d/D = 0.06 to 0.08; swirler pitch t = (5-7)D, where D is inner diameter of tube. EFFECT: reduction of deposit of suspended agents on inner walls of tube; enhanced operational efficiency of heat exchanger working on contaminated media. 2 dwg
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