MULTIPASS TUBULAR HEAT EXCHANGER Russian patent published in 1995 - IPC

FIELD: food industry. SUBSTANCE: heat exchanger has housing with branch pipes to let heat carrier and liquid to be treated pass in and out, tube bank secured in tube plates in concentric rows, covers closing the tube plates, and cylindrical partitions placed between concentric circles formed by tube bank. Length of each partition is less than length of intertube space. Each partition is connected alternately in opposite tube plate. Circular recesses for connecting two adjacent concentric rows of tubes are made in tube plates at placed of tube end connection. Treated liquid inlet branch pipe is arranged in center of front cover. EFFECT: enlarged operating capabilities. 3 cl, 4 dwg