Troubleshooting with Exchanger Liquid Levels

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TROUBLESHOOTING WITH EXCHANGER LIQUID LEVELS

Andrew W. Sloley
The Distillation Group, Inc.*
P.O. Box 10105
College Station, Texas 77842-0105

Presented at the
AIChE Spring National Meeting
Session 83B: Industrial Applications in Process Heat Transfer
9-12 March 1998

Abstract copyright Andrew W. Sloley
1998
All rights reserved

Condensers and vaporizers can have levels. Exchangers are rarely fitted with level bridles. But levels can give you valuable information. The dilemma is how to find the level. Field temperature measurements can identify levels in exchangers. Field temperature measurements do not need to be precise to help identify many problems. Even a hot versus cold comparison can do the job. At proper temperature levels, the naked hand is sufficient. At elevated and depressed temperatures, either an temperature gun or surface thermocouple is sufficient. Two case studies are shown. The first is a stabilizer condenser with a level detected by hand. This identified an inert blanking problem. The second is a stabilizer reboiler with steam blow-by through.. Often, simple methods are cheap, rapid and reliable methods of determining field problems.

13 pages.
Electronic version available in Adobe PDF format file 066.PDF 159k.

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This page updated June 2, 1999.
© 1999 The Distillation Group, Inc. All rights reserved.