CONCENTRATOR Russian patent published in 1995 - IPC

FIELD: chemical industry. SUBSTANCE: concentrator has vertical housing provided with systems for supplying initial fluid and heat carrier and discharging heat carrier, concentrated solution and secondary vapor and heat exchanging surface positioned inside the housing. The concentrator is provided with the driving drum positioned at the top part of the housing. The heat exchanging surface is made up as a flexible hose mounted for vertical reciprocation and to define outer and bottom spaces. One of the ends of the hose is wound on the drum. The other end is bent out and secured to the internal wall of the housing over periphery. The systems for supplying and discharging the heat carrier are in communication with the top space. The systems for supplying initial fluid and discharging concentrated solution and secondary vapor are in communication with the bottom space. EFFECT: enhance efficiency. 1 dwg