Performance characteristics of a water-in-oil-fired steam generator for a 300-MW power plant

V.H. Morcos

Energy, 1995, vol. 20, issue 10, 1055-1066

Abstract: Results are presented of a theoretical study to assess the viability of using water-in-oil emulsions for power-station boilers to reduce pollutant emissions, deposit buildup on heat-transfer surfaces and excess-air requirements while improving boiler efficiency. The variables studied include the water concentration (0–10%) and percentage of maximum output (40–100%). SOx and NOx emissions are reduced by 20 and 5.5 kg/h, respectively. The dirt factor of the water-wall tubes drops by 27% without a significant change in the tube temperature. The excess-air coefficient is reduced by 13% and the boiler efficiency is increased by 0.75%. The maximum gas-temperature rise and decrease along the boiler pass are ∼ +50 and ∼ −5K, respectively, as the water concentration is increased from 0 to 10%.

Date: 1995
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:20:y:1995:i:10:p:1055-1066

DOI: 10.1016/0360-5442(95)00048-L

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