The workings of a plate heat exchanger

A plate heat exchanger is a type of heat exchanger that uses metal plates for heat transference. The plate type exchangers have a major advantage over conventional heat exchangers. The heating and cooling fluids are exposed to a much larger surface area, this facilitates the transfer of heat and greatly increases the speed of the temperature change.

The plates provide an extremely large surface interaction area which allows for fast possible heat exchange. The troughs imprinted on the plates create and maintain a turbulent flow in the liquid to maximize heat transfer in the exchanger. A high degree of turbulence can be obtained at low flow rates and high heat transfer coefficient can then be achieved.

Illustration above shows the flow of the hot and cold liquid in a plate heat exchanger.

Efficient heat transfer processes for improved performance
- higher heat recovery means lower energy costs

Energy consumption and runtime are key parameters affecting production costs. Minimising energy consumption through more efficient process heat recovery is critical to profitability in the face of increasing energy costs.

Improving process performance and avoiding unscheduled stoppages can increase runtime. Both deliver immediate and significant cost savings that translate directly to the bottom line.

Solutions are based on a complete range of plate-type heat exchanger technologies including gasketed, semi-welded and welded plate heat exchangers. These range from high-capacity, heavy duty units to small, compact designs, and are available either as standard solutions or as customised units based on ground-breaking designs and a vast variety of materials.

APV heat exchangers may be supplied as standalone components or integrated into modules or complete systems.

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