HEAT EXCHANGER WITH HEAT U-LIKE PIPES Russian patent published in 2009 - IPC F28D15/02 

FIELD: heating.

SUBSTANCE: invention is designed for heat exchange and can be used in different industry branches. A heat exchanger comprises a lower casing part with the fittings for supplying and removing the heating medium and an upper casing part with the fittings for supplying and removing the medium being heated, upper and lower parts of the heat pipes fixed in the upper and lower pipe plates respectively with a common heat pipe chamber being formed between the plates. The heat exchanger is equipped with a pressure-and-vacuum gage and a gate set prior to it. The common heat pipe chamber is communicated to the gate connected to the vacuum air suction system. The heat pipes are of U-like shape.

EFFECT: control of pressure in the heat pipes, elimination of dryout in the evaporator and protection from the media mixing.

1 dwg