| Plate Heat Exchanger |
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The concept behind a Heat Exchanger is the use of pipes or other containment vessels to heat or cool one liquid by transferring heat to another. In most cases, the exchanger consists of a coiled pipe containing one liquid that passes through a chamber containing the other. The walls of the pipe is usually made of Metal , or another substance with low Specific Heat , to facilitate the interchange, whereas the outer casing of the larger chamber is made of a Plastic or substance with high specific heat, to discourage heat from escaping the exchanger. The plate heat exchanger is an improvement on this basic design that allows a more rapid transfer of heat. In place of a pipe passing through a chamber, there are instead two chambers, usually thin in depth, separated at their largest surface by a metal plate. The plate produces an extremely large surface area, which allows for the fastest possible transfer. Making each chamber thin ensures that the majority of the volume of the liquid contacts the plate, again aiding exchange. |
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