naa a22 4500 510821227 CHVBK 20180411083533.0 cr unu---uuuuu 180411e20130501xx s 000 0 eng 10.1007/s11814-012-0206-x doi (NATIONALLICENCE)springer-10.1007/s11814-012-0206-x Evaluation of the performance of a commercial circulating fluidized bed boiler by using IEA-CFBC model: Effect of primary to secondary air ratio [Elektronische Daten] [Jong-Min Lee, Dong-Won Kim, Jae-Sung Kim, Kyoungil Park, Tae-Hee Lee] The performance of a commercial circulating fluidized bed boiler in the Yeosu thermal power plant, which has been operating since October 2011 by KOSEP, has been evaluated by using the IEA-CFBC model. To validate the calculation procedure of the model, the calculated results were compared with the operation values such as the temperatures, pressures, emissions of SO2 and NO, particles size distribution and unburned carbon fraction of the CFB boiler at a certain actual condition. The calculated results were comparable to measured values from the CFB boiler, so these could conform to acceptable formats with a good accuracy. The effect of the primary to secondary air ratio on the performance of the CFB boiler was also determined. As the primary air ratio increased, the solid fraction and temperature in the furnace freeboard increased. As a result, the solid circulation rate and the heat absorption in the furnace increased with increasing the PA ratio. In the case of the amount of heat absorption, the wall tube of the furnace absorbed much more generation heat in the furnace than the wing wall tube. The SO2 emission decreased due to increase of the limestone hold up in the furnace, and the combustion efficiency somewhat increased with increasing the PA ratio. Therefore, from these results, we could expect to control the boiler performance such as the furnace temperature, steam temperatures of superheater or reheater, gaseous emissions and combustion efficiency through the changing the PA ratio of the CFB boiler. Korean Institute of Chemical Engineers, Seoul, Korea, 2013 Circulating Fluidized Bed nationallicence IEA-CFB Model nationallicence Primary Air Ratio nationallicence Yeosu Power Plant nationallicence Lee Jong-Min Green Energy Laboratory, Korea Electric Power Corporation (KEPCO) Research Institute, 305-380, Daejeon, Korea aut Kim Dong-Won Green Energy Laboratory, Korea Electric Power Corporation (KEPCO) Research Institute, 305-380, Daejeon, Korea aut Kim Jae-Sung Green Energy Laboratory, Korea Electric Power Corporation (KEPCO) Research Institute, 305-380, Daejeon, Korea aut Park Kyoungil Green Energy Laboratory, Korea Electric Power Corporation (KEPCO) Research Institute, 305-380, Daejeon, Korea aut Lee Tae-Hee Green Energy Laboratory, Korea Electric Power Corporation (KEPCO) Research Institute, 305-380, Daejeon, Korea aut Korean Journal of Chemical Engineering Springer US; http://www.springer-ny.com 30/5(2013-05-01), 1058-1066 0256-1115 30:5<1058 2013 30 11814 https://doi.org/10.1007/s11814-012-0206-x text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11814-012-0206-x text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Lee Jong-Min Green Energy Laboratory, Korea Electric Power Corporation (KEPCO) Research Institute, 305-380, Daejeon, Korea aut NATIONALLICENCE 700 1- Kim Dong-Won Green Energy Laboratory, Korea Electric Power Corporation (KEPCO) Research Institute, 305-380, Daejeon, Korea aut NATIONALLICENCE 700 1- Kim Jae-Sung Green Energy Laboratory, Korea Electric Power Corporation (KEPCO) Research Institute, 305-380, Daejeon, Korea aut NATIONALLICENCE 700 1- Park Kyoungil Green Energy Laboratory, Korea Electric Power Corporation (KEPCO) Research Institute, 305-380, Daejeon, Korea aut NATIONALLICENCE 700 1- Lee Tae-Hee Green Energy Laboratory, Korea Electric Power Corporation (KEPCO) Research Institute, 305-380, Daejeon, Korea aut NATIONALLICENCE 773 0- Korean Journal of Chemical Engineering Springer US; http://www.springer-ny.com 30/5(2013-05-01), 1058-1066 0256-1115 30:5<1058 2013 30 11814 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer