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Mechanical Design of Plate Heat Exchangers

DOI 10.1615/hedhme.a.000428

4.4 MECHANICAL DESIGN
4.4.2 Mechanical design of plate heat exchangers

A. General description

A plate heat exchanger (PHE) comprises a pack of spaced corrugated plates arranged such that the two heat exchanging fluids flow through alternate spaces in the pack. The corrugations maintain the gap between adjacent plates which are sealed against each other. These are nowadays several different technologies to effect a seal between the plates and to maintain the pack in a compressed state.

Normally plates are pressed and expensive tools are required for their production. Unlike shell-and-tube units, plates are produced in a limited number of sizes and are never custom made to individual requirements. However, the flexibility of their arrangement enables a particular duty to be easily handled by the correct selection of standard components.

B. Types of PHE’s

Listed below are some of the different types of PHE’s in operation today.

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