COMBINED EVAPORATOR Russian patent published in 2016 - IPC B01D1/06 B01D1/22 

FIELD: chemistry.

SUBSTANCE: invention relates to equipment for chemical and hydrometallurgical production. Combined evaporator comprising vertically installed therein heat exchange tubes of falling and rising film, receiving and distribution, mortar and a terminal chamber, upper and lower tube plates, pump, characterised in that between upper and lower tube sheets arranged an intermediate tube plate, forming a bottom tube sheet receiving-distribution chamber provided with a connection for entering circulating solution and connected to a pump, mortar chamber is located above upper tube plate and provided with a pipe for output of steam, heat exchange tubes of falling film solution evaporated secured in upper, intermediate and lower tube grids, heat exchanging tube rising film solution is fixed in upper and intermediate tube sheets, and their upper ends project above upper tube sheet, wherein tubes are arranged at equal distance from each other.

EFFECT: technical result is increase in efficiency of combined evaporation apparatus.

2 cl, 2 dwg