Spiral plate heat exchangerA new type of heat exchanger with high heat transfer efficiency and excellent operational stability, capable of working in parallel with multiple units. The spiral plate heat exchanger is a heat exchange equipment suitable for vapor-vapor, vapor-liquid, and liquid-liquid heat transfer.

It is suitable for industries such as chemicals, petroleum, solvents, food, light industry, textiles, metallurgy, rolling steel, and coking. Spiral plate heat exchangers can be categorized into non-detachable (Type I) and removable (Type II, Type III) based on their structural form. The current standard is JB/T4751-2003, "Spiral Plate Heat Exchangers."

1. This equipment is formed by two rolls, creating two even spiral channels. The two heat transfer mediums can flow in a full countercurrent manner, significantly enhancing the heat exchange efficiency, even for media with small temperature differences, achieving ideal heat exchange results. 2. The connection on the shell uses a tangential structure, with low local resistance. Due to the uniform curvature of the spiral channels, the liquid flows within the equipment without significant direction changes, resulting in low total resistance, thus allowing for increased design flow rates and higher heat transfer capacity. 3. The I-type non-detachable spiral plate heat exchanger employs welding for the end face of the spiral channels, ensuring high sealing properties. 4. The II-type detachable spiral plate heat exchanger operates on the same principle as the non-detachable type, but one channel can be opened for cleaning, particularly suitable for heat exchange involving sticky or sedimentary liquids. 5. The III-type detachable spiral plate heat exchanger also follows the same principle as the non-detachable type, but with both channels being openable for cleaning, making it more versatile in application.

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