MVR (Mechanical Vapor Recompression) falling film evaporation system capable of conveniently treating wastewater with different boiling points

• Main Authors: LEI YINMEI, ZHANG MINGJIE, JIA SUHANG, GAO JUNFENG, HU LONGHAI
• Format: Patent
• Language: Chinese; English
• Published: 21.11.2023
• Subjects: CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model relates to the field of MVR (Mechanical Vapor Recompression) falling film equipment, in particular to an MVR falling film evaporation system convenient for treating different wastewater boiling points, which comprises a falling film evaporator, the bottom surface of the falling film evaporator is connected with an L pipe through a flange, the surface of the L pipe is connected with a falling film circulating pump through a flange, and the left end surface of the falling film evaporator is provided with a condensate water tank. By closing the compressor inlet electrically operated valve, closing the compressor outlet electrically operated valve, opening the cooler inlet electrically operated valve, opening the fresh steam inlet electrically operated valve and opening the circulating cooling water inlet and outlet valve of the steam cooler, the steam compressor can be isolated from the system, and the MVR is changed into a two-effect evaporative crystallization system. Materials are heated thr