ENGINEERING DEVELOPMENT OF COAL-FIRED HIGH PERFORMANCE POWER SYSTEMS

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A High Performance Power System (HIPPS) is being developed. This system is a coal-fired, combined cycle plant with indirect heating of gas turbine air. Foster Wheeler Development Corporation and a team consisting of Foster Wheeler Energy Corporation, Bechtel Corporation, University of Tennessee Space Institute and Westinghouse Electric Corporation are developing this system. In Phase 1 of the project, a conceptual design of a commercial plant was developed. Technical and economic analyses indicated that the plant would meet the goals of the project which include a 47 percent efficiency (HHV) and a 10 percent lower cost of electricity than an equivalent ... continued below

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Creator: Unknown. October 1, 1998.

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A High Performance Power System (HIPPS) is being developed. This system is a coal-fired, combined cycle plant with indirect heating of gas turbine air. Foster Wheeler Development Corporation and a team consisting of Foster Wheeler Energy Corporation, Bechtel Corporation, University of Tennessee Space Institute and Westinghouse Electric Corporation are developing this system. In Phase 1 of the project, a conceptual design of a commercial plant was developed. Technical and economic analyses indicated that the plant would meet the goals of the project which include a 47 percent efficiency (HHV) and a 10 percent lower cost of electricity than an equivalent size PC plant. The concept uses a pyrolyzation process to convert coal into fuel gas and char. The char is fired in a High Temperature Advanced Furnace (HITAF). The HITAF is a pulverized fuel-fired boiler/air heater where steam is generated and gas turbine air is indirectly heated. The fuel gas generated in the pyrolyzer is then used to heat the gas turbine air further before it enters the gas turbine. The project is currently in Phase 2, which includes engineering analysis, laboratory testing and pilot plant testing. Research and development is being done on the HIPPS systems that are not commercial or being developed on other projects. Pilot plant testing of the pyrolyzer subsystem and the char combustion subsystem are being done separately, and after each experimental program has been completed, a larger scale pyrolyzer will be tested at the Power Systems Development Facility (PSDF) in Wilsonville, Al. The facility is equipped with a gas turbine and a topping combustor, and as such, will provide an opportunity to evaluate integrated pyrolyzer and turbine operation. During this quarter, initial char combustion tests were performed at the CETF using a Foster Wheeler commercial burner. These preliminary tests were encouraging and will be used to support the development of an innovative char burner for the HIPPS program. The CETF design effort continued through this quarter with the completion of the following systems: 1. Char Storage and Transport System 2. Reheat Burner The char storage system is required for the HIPPS program because the ball mill needs to be de-coupled from the burner. This de-coupling of the mill and the burner allows greater flexibility in changing char particle size distribution � one of the main test variables under the HIPPS program. The reheat burner is employed to prevent condensation of the flue gas in the baghouse.

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  • Other: DE00007761
  • Report No.: DE-AC22-95PC95143--11
  • Grant Number: AC22-95PC95143
  • DOI: 10.2172/7761 | External Link
  • Office of Scientific & Technical Information Report Number: 7761
  • Archival Resource Key: ark:/67531/metadc719742

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  • October 1, 1998

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  • Sept. 29, 2015, 5:31 a.m.

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  • April 8, 2016, 1:53 p.m.

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ENGINEERING DEVELOPMENT OF COAL-FIRED HIGH PERFORMANCE POWER SYSTEMS, report, October 1, 1998; Morgantown, West Virginia. (digital.library.unt.edu/ark:/67531/metadc719742/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.