MVR (Mechanical Vapor Recompression) device for concentrating ammonium chloride solution by using plate heat exchanger

The utility model relates to the technical field of ammonium chloride solution concentration, and provides an MVR (Mechanical Vapor Recompression) device for concentrating an ammonium chloride solution by using a plate heat exchanger, which is characterized in that the plate heat exchanger is adopted for a heat exchange part of a preheating and heating chamber, the investment can be greatly reduced in the aspect of equipment investment, the subsequent disassembly and cleaning are convenient, and the MVR device comprises a bottom plate, a fixing frame is connected to the bottom plate, a first fixing plate is fixedly connected to the bottom plate, a second fixing plate is connected to the fixing frame in a sliding mode, a plurality of heat exchange plates are connected between the first fixing plate and the second fixing plate in a sliding mode, a plurality of sliding pipes are connected to the first fixing plate in a sliding mode, sliding rods are connected into the sliding pipes in a sliding mode, and the sli