Field performance of erosion resistant materials on boiler induced draft fan blades

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Description

The TVA Kingston Fossil Power Plant has nine units and is located near Kingston, Tennessee. Units 1 through 4 have a rating of 148 MW and units 5 through 9 have a rating of 197 MW. Each unit has two induced draft fans manufactured by Westinghouse Electric Corp., Sturtevant Division. A table showing design data for the induced draft fans is located on page 16 of this report. The fan blade design details for units 5 through 9 are shown on pages 11 through 14. There is a mechanical fly ash collector and a small electrostatic precipitator preceding the induced ... continued below

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16 p.

Creation Information

Karr, O.F.; Brooks, J.B. & Seay, E. May 1, 1993.

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Description

The TVA Kingston Fossil Power Plant has nine units and is located near Kingston, Tennessee. Units 1 through 4 have a rating of 148 MW and units 5 through 9 have a rating of 197 MW. Each unit has two induced draft fans manufactured by Westinghouse Electric Corp., Sturtevant Division. A table showing design data for the induced draft fans is located on page 16 of this report. The fan blade design details for units 5 through 9 are shown on pages 11 through 14. There is a mechanical fly ash collector and a small electrostatic precipitator preceding the induced draft fans in the boiler flue gas stream and a large, efficient electrostatic precipitator downstream of these fans. The steam generators and pulverizers were supplied by Combustion Engineering. The average temperature of the flue gas is about 340 degrees Fahrenheit for units 5 through 9. All induced draft fans in the boiler flue gas stream experience erosion from fly ash. When the precipitators and fly ash collectors were new the fan blades would last about three years before they were eroded severely and had to be replaced. Kingston Plant personnel say the fly ash collectors are presently in need of major repairs; therefore, the fan blades are not expected to last as long as they did when the plant was new.

Physical Description

16 p.

Notes

OSTI as DE95008554

Source

  • Other Information: PBD: May 1993

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  • Other: DE95008554
  • Report No.: TVA--95008554
  • DOI: 10.2172/29407 | External Link
  • Office of Scientific & Technical Information Report Number: 29407
  • Archival Resource Key: ark:/67531/metadc675693

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • May 1, 1993

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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Karr, O.F.; Brooks, J.B. & Seay, E. Field performance of erosion resistant materials on boiler induced draft fan blades, report, May 1, 1993; United States. (digital.library.unt.edu/ark:/67531/metadc675693/: accessed November 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.