The heat exchanger is an ideal equipment for liquid - liquid and liquid - vapor heat exchange. It has the characteristics of high heat exchange efficiency, low heat loss, compact and lightweight structure, small footprint, easy installation and cleaning, and long service life. It has been widely used in major industries such as chemical industry, metallurgy, food and so on. It is composed of upper and lower guide rods, fixed pressure plates, movable pressure plates, heat exchange plates, plate gaskets, compression bolts and other parts. The plate heat exchanger is made of many stamped corrugated thin plates at a certain interval, sealed with gaskets around them, and laminated and compressed by a frame and a compression screw, so there are distribution pipes for fluid flow around the gaskets And the collecting pipe, and these gaskets can just separate the hot and cold fluids, flow in the flow channels on both sides, and then exchange heat through the plates. This is the working principle of the plate heat exchanger.

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