FIELD: heating.
SUBSTANCE: invention may be used for utilisation and accumulation of heat of smoke fumes, compressed air of compressor plants or other highly potential sources of heat supply. Heat exchanger comprises body, in which coolant pipe is installed, and thermal ribbed tubes. One end of thermal tubes is installed inside coolant pipe as inclined to generatrices of cylindrical surface of coolant pipe along helical line, and the other one is installed in body. Ribs are arranged on that part of thermal tubes installed in body. Thermal ribbed tubes are vacuumised and filled with water portions.
EFFECT: increased efficiency of heat transfer and simplified design.
2 cl, 1 dwg
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