Plate heat exchanger with multiple partition plates and adjustable heat exchange area

The utility model discloses a multi-partition plate heat exchange area adjustable plate heat exchanger which comprises a fixed pressing plate and a movable pressing plate, the fixed pressing plate and the movable pressing plate are fixedly connected through a plurality of guide rods, a lower support is fixedly connected to the bottom between the fixed pressing plate and the movable pressing plate, and the lower support is fixedly connected to the bottom between the fixed pressing plate and the movable pressing plate. And an upper bracket is mounted at the top between the fixed pressing plate and the movable pressing plate. According to the utility model, the heat flow pipes are arranged between the heat flow input holes and the heat flow backflow holes of the plurality of heat flow plates and the heat flow inlets and the heat flow outlets, and the cold flow pipes are arranged between the cold flow input holes and the cold flow backflow holes of the plurality of cold flow plates and the cold flow inlets and th