evaluating the operating conditions of a rectifier …2017/04/26 · evaluating the operating...
TRANSCRIPT
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Evaluating the Operating Conditions
of a Rectifier Column
Using Gamma Column Scanning
DENIS D. AQUINO
Isotope Techniques Section
Philippine Nuclear Research Institute
Department of Science and Technology
International Conference on Applications
of Radiation Science and Technology 2017
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I. Objectives
II. Methodology III. Results
IV. Conclusion V. Acknowledgement
OUTLINE
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OBJECTIVES
To gather information on the condition of the vessel at
varying process parameters
To make an assessment prior to arranging necessary maintenance operations
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Column Diameter = 1m
Wall Thickness = 10mm Total height to be scanned =
440cm
Number of scans = 12
METHODOLOGY
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METHODOLOGY
NaI Detector
10 mCi Co-60 Source
Laptop and Ratemeter
Hand winch system
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METHODOLOGY
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RESULTS
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RESULTS
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RESULTS
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RESULTS
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RESULTS
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RESULTS
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Blockage below Tray 1
Blockage on top of Tray 2
Partial blockage on top of
Tray 4
Flooding during Scans 3 & 8
RESULTS
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Gamma column scanning was able to identify blockage that caused the anomalies in the flow of liquid inside the rectifier column.
Result of gamma scanning provided necessary information for
planning efficient repair and maintenance operations.
CONCLUSION
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International Atomic Energy Agency Technical Cooperation Programme
Patrick Brisset, Technical Officer, IAEA IAEA RCA Counterparts
DOST – Philippine Council for Industry, Energy and Emerging
Technology Research and Development (DOST-PCIEERD)
ACKNOWLEDGEMENT
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THANK YOU!!!
Philippine Nuclear Research Institute
Department of Science and Technology
www.pnri.dost.gov.ph