Patent ID: 7530389
Filing Date: 2009-05-12
Classification: B01B,B01J,C01B,F28D,H01M,Y02E

Abstract:
1. A heat exchanger comprising: a casing; a plurality of external cylinders, each of said plurality of external cylinders having a flattened cylindrical shape and comprising a first fluid passage formed between the plurality of external cylinders and the casing; a plurality of internal cylinders, each of said plurality of internal cylinders having a flattened cylindrical shape that is open at both ends, wherein each internal cylinder is arranged inside one of the plurality of external cylinders with a clearance formed between the internal cylinder and an inner surface of the one of the plurality of external cylinders and is supported in a cantilevered manner such that an end of each of the plurality of internal cylinders, corresponding to the fixed end of each of the plurality of external cylinders, is fixed; a second fluid passage formed between each of said plurality of internal cylinders and each of said plurality of external cylinders, which is turned around at the closed end portion of the external cylinder; and a liquid injection nozzle arranged above the closed end portion of one of said plurality of external cylinders as viewed in the gravitational direction.