Shell-and-tube heat exchanger. Our shell and tube heat exchangers are used in many comfort and industry applications for heating and cooling fluids. They consist of a shell with traditional plain tubes or enhanced surface tubes for high thermal performance. The fluids can be liquids or gases, one of which flows inside the tubes while the other flows outside the tubes within the shell.
Mar 26, 2014 · Mar 26, 2014 · Shell and tube heat exchanger 1.shell (cylindrical ), 2. header, water box, 3.cooling fluid, 4. cover seal, 5.separation plate (for 2-pass arrangement), 6.header cover, 7.tube plate, 8.gaskets (between tubeplate and shell, tubeplate and header), 9.hot fluid, (to be cooled), 10.baffle (to direct the flow of hot fluid back andforth across the tube bundle), 11.tube bundle, Shell-and-Tube Heat Exchangers - Clarkson Universityis an example of a 1-2 (1 shell pass and 2 tube passes) heat exchanger. As you can see, in a 12 heat exchanger, the tube- -side fluid flows the entire length of the shell, turns around and flows all the way back. It is possible to have more than two tube passes. Multiple shell passes also are possible, but involve fabrication that is more complex and is usually avoided, if possible. T 1 T 2 t 1 t 2 Baffle
Shell and Tube heat exchangers are most commonly used in heating or cooling process fluids and gases. Typically found in applications where a need to heat or cool large volumes exist; however small volume applications are also very common. Shell and tube exchangers come in many variations to meet process requirements in almost every industry or application.
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