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11366 FRP Chimney Liners for Power Plant Flue Gas Desulfurization - A Chimney Supplier's Perspective

Picture for 11366 FRP Chimney Liners for Power Plant Flue Gas Desulfurization
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Product Number: 51300-11366-SG
ISBN: 2011 11366 CP
Author: Victor A. Bochicchio
Publication Date: 2011
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The addition of Wet Flue Gas Desulphurization (WFGD) systems to existing coal fired power plants, and at several new plants, has resulted in the installation of over 90 FRP chimney liners in concrete chimneys during the past 6 years. The lower flue gas temperatures in power plants with WFGD increases corrosion concerns for chimney lining materials and often leads to the selection of FRP as the liner material of choice. Although the design and manufacture of the FRP liner is usually performed by a specialty FRP supplier, the integration of the liner into the overall chimney design and arrangement, and the prescription of many of the requirements for the design of the FRP liner are the responsibility of the chimney supplier. This paper explores various features of FRP liners and chimneys, how they relate to each other and the factors affecting decisions made during the design and installation process. Proper, timely coordination and communication between the chimney supplier and the FRP liner supplier generally results in a well-designed and successful chimney project.

Key words: chimney liner, FRP, concrete chimney, flue gas desulphurization
The addition of Wet Flue Gas Desulphurization (WFGD) systems to existing coal fired power plants, and at several new plants, has resulted in the installation of over 90 FRP chimney liners in concrete chimneys during the past 6 years. The lower flue gas temperatures in power plants with WFGD increases corrosion concerns for chimney lining materials and often leads to the selection of FRP as the liner material of choice. Although the design and manufacture of the FRP liner is usually performed by a specialty FRP supplier, the integration of the liner into the overall chimney design and arrangement, and the prescription of many of the requirements for the design of the FRP liner are the responsibility of the chimney supplier. This paper explores various features of FRP liners and chimneys, how they relate to each other and the factors affecting decisions made during the design and installation process. Proper, timely coordination and communication between the chimney supplier and the FRP liner supplier generally results in a well-designed and successful chimney project.

Key words: chimney liner, FRP, concrete chimney, flue gas desulphurization
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