Co-firing High Sulfur Coal with Refuse Derived Fuels. Technical Progress Report {number_sign}11

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The objective of this quarter of study was to prepare fuel pellets containing PVC, newspaper and plastics to be co-fired with coal in the AFBC combustor. The Western Kentucky University atmospheric fluidized bed combustion system requires the fuel to fall from a bunker into a lock-hopper, and from there into a mixing box where the fuel is auger-fed under pressure into the bottom of the fluidized bed. The fuel must flow freely out of the bunker and through the lock- hopper for proper feeding into the combustor. In order for the fuel to continuously fall through these units and into ... continued below

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5 p.

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Pan, Wei-Ping; Riley, John T. & Lloyd, William G. May 31, 1997.

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Description

The objective of this quarter of study was to prepare fuel pellets containing PVC, newspaper and plastics to be co-fired with coal in the AFBC combustor. The Western Kentucky University atmospheric fluidized bed combustion system requires the fuel to fall from a bunker into a lock-hopper, and from there into a mixing box where the fuel is auger-fed under pressure into the bottom of the fluidized bed. The fuel must flow freely out of the bunker and through the lock- hopper for proper feeding into the combustor. In order for the fuel to continuously fall through these units and into the mixing box during combustion, the density of the fuel and the size of the particles must meet certain requirements. The particles must be no larger than 3/8 inches in diameter and must have a density approaching that of coal. Loose materials such as sawdust, shredded paper products and most shredded plastics do not feed properly in the WKU AFBC system. Bridging and blockage of feed chutes result, even with constant vibration of parts of the feed mechanism. It is not possible to run the AFBC system powered solely by these loose materials.

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5 p.

Notes

OSTI as DE97054030

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  • Other Information: PBD: 31 May 1997

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  • Other: DE97054030
  • Report No.: DOE/PC/94211--T12
  • Grant Number: FG22-94PC94211
  • DOI: 10.2172/622588 | External Link
  • Office of Scientific & Technical Information Report Number: 622588
  • Archival Resource Key: ark:/67531/metadc689521

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Office of Scientific & Technical Information Technical Reports

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  • May 31, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 10, 2015, 7:16 p.m.

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Pan, Wei-Ping; Riley, John T. & Lloyd, William G. Co-firing High Sulfur Coal with Refuse Derived Fuels. Technical Progress Report {number_sign}11, report, May 31, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc689521/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.