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분류층 건식 석탄가스화기에서의 가스화 특성

Gasification characteristics in an entrained flow coal gasifier

  • 유영돈 (고등기술연구원 전력에너지 연구실) ;
  • 윤용승 (고등기술연구원 전력에너지 연구실) ;
  • 안달홍 (전력연구원수화력 발전연구실) ;
  • 박호영 (전력연구원수화력 발전연구실)
  • 발행 : 1997.12.01

초록

Entrained coal gasification tests with Datong coal were performed to assess the influence of oxygen/coal ration and pressure. When gasification condition in oxygen/coal ratio has changed from 0.5 to 1.0, optimal gasification condition from low pressure runs was oxygen/coal ratio of approximately 0.9 where CO was produced about 40% and H, about 20%. Under the pressure condition of 12-14 atmospheres, optimal oxygen/coal ratio value was in the region of 0.6 where CO was produced about 55% and H2about 25%. From these results, it was found that the oxygen/ coal ratio for the maximum production of CO and H, was decreasing with the increase in gasifier pressure and also, with increasing oxygen content, carbon conversion was increased. For the Chinese Datong coal, cold gas efficiency was in the range of 40-80%.

키워드

참고문헌

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