Evaporation system for mutual switching of MVR double-falling-film evaporation and double-effect evaporation

• Main Authors: LEI YINMEI, ZHANG MINGJIE, ZHANG XIAOLIANG, HU LONGHAI, LUO CHUNLONG, CHEN FUHAO
• Format: Patent
• Language: Chinese; English
• Published: 12.12.2023
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model relates to the field of MVR (mechanical vapor recompression) double-falling-film evaporation process, in particular to an evaporation system for mutual switching of MVR double-falling-film evaporation and double-effect evaporation, which comprises a first falling-film evaporator and a second falling-film evaporator, a feeding pipe is fixedly connected to the left end surface of the first falling-film evaporator, a first condensate water tank is arranged on the left end surface of the first falling-film evaporator, and a second condensate water tank is arranged on the right end surface of the second falling-film evaporator. The surface of the right end of the falling film evaporator I is fixedly connected with a falling film separator I. According to the utility model, an electric control valve I on the surface of a round pipe I is closed, an electric control valve III on the surface of a round pipe IV is closed, an electric control valve II on the surface of a communicating pipe is opened, c