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METHOD AND SYSTEM FOR DETECTING ABNORMAL OPERATION IN A STIRRED VESSEL

  • US 20080082294A1
  • Filed: 09/27/2007
  • Published: 04/03/2008
  • Est. Priority Date: 09/28/2006
  • Status: Active Grant
First Claim
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1. A method for detecting an abnormal situation associated with a stirred vessel in a process plant, the method comprising:

  • collecting first data associated with pressure within a stirred vessel;

    filtering the collected first data to isolate a frequency component corresponding to changes in pressure associated with blade rotation in the vessel;

    generating statistical data from the filtered first data;

    analyzing the statistical data to detect whether one or more abnormal situations associated with an agitator of the stirred vessel exist; and

    generating an indicator of an abnormal situation if one or more of the one or more abnormal situations are detected.

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