CONCENTRATOR Russian patent published in 1995 - IPC

FIELD: treating heat sensitive and viscose fluids. SUBSTANCE: concentrator has vertical housing provided with systems for supplying initial fluid and discharging concentrated solution and vapor-liquid mixture and heater arranged on the outer wall of the housing. The concentrator is provided with the driving drum positioned inside the top part of the housing, flexible hose mounted inside the housing to define the top and bottom spaces and to permit reciprocation, and by-pass having a check valve. One of the ends of the hose is wound on the drum. The other end is bent out and secured to the internal side of the housing over periphery. The top space is in communication with the systems for supplying the initial fluid and discharging the concentrated solution. The bottom space is in communication with the system for discharging vapor- liquid mixture. The spaces are interconnected through a by-pass. EFFECT: enhanced efficiency. 1 dwg