HEAT EXCHANGER Russian patent published in 2001 - IPC

FIELD: heat exchange apparatus. SUBSTANCE: heat exchanger has heat-exchange surface, heat-transfer agent supply device with holes where nozzles are rigidly secured. Swirlers secured inside nozzles are made in form of four strips turned in way of nozzle through 90 deg. Each strip is bent in form of chute along length of nozzle from its inlet to outlet; inner surface of each nozzle is provided with circular groove before inlet hole; this groove is connected with four chutes of strips and is provided with unit in its lower portion for removal of contamination. EFFECT: enhanced operational reliability of heat exchanger. 2 dwg