Title: Repower oil, gas-fired plants with coal-fired combined cycle
Abstract: Combined-cycle repowering of existing oil- and gas-fired power plants to use coal can add capacity and increase the output of a given site. The economics are better if a modern reheat plant is repowered than for projects in the past. A supplemental boiler between the combustion turbine exhaust and the main boiler is the most versatile and efficient configuration. Four types of coal techniques are reported: coal-derived liquids, coal-derived gases, direct coal burning in pressurized fluid beds. Three figures illustrate configuration options. The performance parameters of several repowering options are summarized and compared in terms of their fuel revenue requirements in two tables. 3 figures. (DCK)
Publication Year: 1981
Publication Date: 1981-11-01
Language: en
Type: article
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