A Simple Candle Filter Safeguard Device [electronic resource]
In order to reach the highest possible efficiencies in a coal-fired turbine-based power system, the turbine should be directly fired with the products of coal utilization. Two main designs employ these turbines: those based on pressurized fluidized-bed combustors (PFBCs) and those based on integrate...
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Online Access |
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| Corporate Authors: | , |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Office of Fossil Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
2002.
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| Subjects: |
MARC
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| 245 | 0 | 2 | |a A Simple Candle Filter Safeguard Device |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Office of Fossil Energy ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 2002. | ||
| 300 | |a vp. : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through the Information Bridge: DOE Scientific and Technical Information. | ||
| 500 | |a 09/18/2002. | ||
| 500 | |a 5th International Symposium on Gas Cleaning at High Temperatures, Morgantown, WV (US), 09/17/2002--09/20/2002. | ||
| 500 | |a Hurley, J.P.; Swanson, M.L.; Henderson, A.K. | ||
| 520 | 3 | |a In order to reach the highest possible efficiencies in a coal-fired turbine-based power system, the turbine should be directly fired with the products of coal utilization. Two main designs employ these turbines: those based on pressurized fluidized-bed combustors (PFBCs) and those based on integrated gasification combined cycles (IGCCs). In both designs, the suspended particulates, or dust, must be cleaned from the gas before it enters the turbine to prevent fouling and erosion of the blades. To produce the cleanest gas, barrier filters are being developed and are in commercial use. Barrier filters are composed of porous, high-temperature materials that allow the hot gas to pass but collect the dust on the surface. The three main configurations are candle, cross-flow, and tube. Both candle and tube filters have been tested extensively. They are primarily composed of coarsely porous ceramic that serves as a structural support, overlain with a thin, microporous ceramic layer o n the dirty gas side that serves as the primary filter surface. They are highly efficient at removing particulate matter from the gas stream and, because of their ceramic construction, are resistant to gas and ash corrosion. However, ceramics are brittle, and individual elements can fail, allowing the particulates to pass through the hole left by the filter element and erode the turbine. Because of the possibility of occasional filter breakage, safeguard devices (SGDs) must be employed to prevent the dust streaming through broken filters from reaching the turbine. The Energy & Environmental Research Center (EERC) safeguard device is composed of three main parts: the ceramic substrate, the adhesive coating, and the safeguard device housing. This report describes the development and laboratory testing of each of those parts as well as the bench-scale performance of both types of complete SGDs. | |
| 520 | 0 | |a High-temperature Adhesive Coating; Safeguard Device; Hot-gas Filtration. | |
| 536 | |b AC26-99FT40677. | ||
| 650 | 7 | |a Ceramics. |2 local. | |
| 650 | 7 | |a Coal. |2 local. | |
| 650 | 7 | |a Corrosion. |2 local. | |
| 650 | 7 | |a Construction. |2 local. | |
| 650 | 7 | |a Gasification. |2 local. | |
| 650 | 7 | |a Cleaning. |2 local. | |
| 650 | 7 | |a Fouling. |2 local. | |
| 650 | 7 | |a Adhesives. |2 local. | |
| 650 | 7 | |a Safeguards. |2 local. | |
| 650 | 7 | |a Particulates. |2 local. | |
| 650 | 7 | |a Power Systems. |2 local. | |
| 650 | 7 | |a Turbines. |2 local. | |
| 650 | 7 | |a Fluidized-bed Combustors. |2 local. | |
| 650 | 7 | |a Combined Cycles. |2 local. | |
| 650 | 7 | |a Dusts. |2 local. | |
| 650 | 7 | |a Coal, Lignite, And Peat. |2 edbsc. | |
| 650 | 7 | |a Power Transmission And Distribution. |2 edbsc. | |
| 650 | 7 | |a Fossil-fueled Power Plants. |2 edbsc. | |
| 710 | 2 | |a University of North Dakota. |b Energy and Environmental Research Center. |4 res. | |
| 710 | 1 | |a United States. |b Office of Fossil Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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