August 2009

Special Report: Fluid Flow and Rotating Equipment

Improve gas compression systems with all-welded shell-and-plate heat exchangers

They offer benefits compared to shell-and-tube and welded-plate designs

Gavelin, S., Tranter International

  Multistage gas compression is one of the most common processes in any industrial plant. Applications vary from one industry to another and include natural gas processing, petroleum refining, and manufacturing of chemicals and end-product gases. Pressurizing the gas enables it to be stored and transported more easily. The use of shell-and-plate heat exchangers in place of conventional welded-plate heat exchangers and shell-and-tube units provides a lot of benefits. With the shell-and-plate design you avoid the corner welds that are critical for the traditional "four-corner grid" welded-plate design and you also save space and weight compared to the shell-and-tube units. The shell-and

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