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자료유형
학술저널
저자정보
문태영 (한국생산기술연구원) Zelalem Tumsa Tefera (한국생산기술연구원) 이은도 (한국생산기술연구원) 이정우 (한솔신텍) 양원 (한국생산기술연구원)
저널정보
한국연소학회 한국연소학회지 한국연소학회지 제19권 제3호
발행연도
2014.9
수록면
8 - 17 (10page)

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The aims of this research were to evaluate effects of biomass co-firing to pulverized coal power plants and the variation of co-firing ratios on the plant efficiency related to power consumption of auxiliary system and flue gas characteristics such as production and component by process simulation based on the existing pulverized coal power plant. In this study, four kinds of biomass are selected as renewable fuel candidates for co-firing: wood pellet(WP), palm kernel shell(PKS), empty fruit bunch(EFB) and walnut shell(WS). Process simulation for various biomass fuels and co-firing ratios was performed using a commercial software. Gas side including combustion system and flue gas treatment system was considering with combination of water and steam side which contains turbines, condenser, feed water heaters and pumps. As a result, walnut shell might be the most suitable as co-firing fuel among four biomass since when 10% of walnut shell was co-fired with 90% of coal on thermal basis, flue gas production and power consumption of auxiliary systems were the smallest than those of other biomass co-firing while net plant efficiency was relatively higher than those of other biomass co-firing. However, with increasing walnut shell co-firing ratios, boiler efficiency and net plant efficiency were expected to decrease rather than coal combustion without biomass co-firing.

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ABSTRACT
1. 서론
2. 석탄 및 바이오매스 연료특성
3. 대상 화력발전 플랜트
4. 결과 및 고찰
5. 결론
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