OPEN-TYPE HEAT EXCHANGER Russian patent published in 2005 - IPC

FIELD: chemical industry; food industry.

SUBSTANCE: heat exchanger intends for heat exchange between liquid and gas. Open-type heat exchange has cylindrical case with vapor input and output branches, liquid supply and discharge branches, central tube with jets connected with liquid supply branch, and spiral insertion fastened onto side walls of cylindrical case. Surface of the insertion is made with slope from the central part to side walls of cylindrical case. Jets of central tube are disposed above spiral insertion along helix, which follows profile of spiral insertion.

EFFECT: higher intensity of exchange; increased heat-exchange surface; reduced deposit of oil.

4 cl, 3 dwg