Development of a High-Temperature, Long-Shafted, Molten-Salt Pump for Power Tower Applications

[+] Author and Article Information
Daniel L. Barth

Nagle Pumps, Inc., 1249 Center Avenue, Chicago Heights, IL 60411e-mail: dbarth@naglepumps.com

James E. Pacheco, William J. Kolb, Earl E. Rush

Sandia National Laboratories, PO Box 5800, Albuquerque, NM 87185-0703

J. Sol. Energy Eng 124(2), 170-175 (Apr 24, 2002) (6 pages) doi:10.1115/1.1464126 History: Received November 01, 2000; Revised November 01, 2001; Online April 24, 2002
Copyright © 2002 by ASME
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Photograph of the Solar Two molten-salt power tower
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Photograph of the molten-salt power sumps used at Solar two
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Drawing of salt lubricated pump
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Nagle YWSR salt pump with salt lubricated bearing tested at Sandia National Laboratories
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Yoke/split bearings/journal sleeve
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Photograph of long-shafted hot pump suspended to the side of the flow loop and support structure
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Pump outlet head and motor current draw as a function of salt flow rate and salt temperature. The symbols correspond to tests conducted at different salt temperatures: •=345°C salt, ▿=400°C salt, ▪=455°C salt, ⋄=510°C salt, and ▵=566°C salt.




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