PURPOSE: To uniform brine temperature in a liquid tank and to improve heat exchanging efficiency by connecting an injection nozzle which generates whirl stream in the brine in the liquid tank to a return pipe in a brine circulation path.
CONSTITUTION: A brine circuit path (C) is constituted on a return side of a return pipe 19 and an injection nozzle 21 which is connected to the return pipe 19 through a joint 20, so that brine heat exchanged with a load 18 flows into a liquid tank 7 through the return pipe 19 and the injection nozzle 21. The injection nozzle 21 is arranged in an upper part of the liquid tank 7 and its tip end part is bent slantwise and downward at a prescribed angle, squeezed toward its tip end, faced to an upper part in a vaporizer 5 and directed parallel to a tangent on both side parts of the vaporizer 5. The brine is jetted from the injection nozzle 21 into the liquid tank 7 and a whirl stream is generated in the brine in the liquid tank 7 by jetting pressure. As a result, brine temperature can be uniformed and heat exchanging efficiency can be improved.
YOSHIOKAYA YUKIO
SUGAWARA TATSU
