This is a very simple system. It consists of a metal box with two aluminum boxes connected by a heat-distributing panel. The heat-distributing panel allows surface area expansion while the boxes themselves retain their original volume. When the boxes are cooled, the pressure in the metal box falls below the metallic surface area of the aluminum boxes, allowing vapor condensation between the metal and the fluid to condense,
thus converting the heated fluid into a cool mist. A second example of a jacketed heat exchanger includes the double-skinned heat transfer improvement, sometimes referred to as a duvet-based heat transfer improvement. In a duvet-based heat transfer improvement, a heat-distribution layer is installed on the top surface of the metal box. The heat-distribution layer may also be installed inside the metal box, if desired.
An inner heat-distribution layer results from a design feature of this type. Another type of jacketed heat exchanger includes the electrostatic heat recovery device, sometimes called a mass flow gasification exchanger (MFE). It employs a pump to inject a fluid, such as water, at a low pressure into the exchanger. As the MFE begins to draw water into the exchanger, a low conductivity fluid flows through the opening created by the pump.
The Copper Plate Heat Exchangers FHC110G then absorbs the water flowing through the MFE, cooling it as it enters the metal box. An MFE that uses pressurized gas as its heat transfer medium is referred to as a pneumatic jacketed heat exchanger (PAHE). There are two primary advantages to a pneumatic system; first, that it is much less expensive than an equivalent sized conventional heat exchangers; and second, that it produces virtually no waste. These advantages have led to the use of pneumatic heat recovery units (PAHEs) in a wide range of applications.
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