표제지
목차
ABSTRACT 10
I. 서론 12
1.1. 연구배경 14
1.2. 연구동향 17
1.3. 연구목적 19
II. NOx 발생과 제어(이미지참조) 21
2.1. NOx의 생성(이미지참조) 21
2.2. NOx 제어(이미지참조) 24
III. 운전 장치 및 방법 27
3.1. 운전장치 27
3.2. 운전 조건 및 방법 31
IV. 운전 계측결과 및 고찰 33
4.1. 성능 특성 33
4.2. 배기 배출물 특성 43
V. 결론 58
참고문헌 60
감사의 글 63
Table 1. Specification of Boiler 30
Table 2. Major measuring instruments 30
Table 3. Chemical and physical properties of fuel oil 32
Fig. 1. Major step in the fuel and prompt NOx formation(이미지참조) 23
Fig. 2. Major step in the thermal NOx formation(이미지참조) 23
Fig. 3. Schematic diagram of operating system 29
Fig. 4. Effect of FGR rate on fuel consumption rate divided by evaporation rate as a parameter of boiler load at OFA damper openings of 0˚ 35
Fig. 5. Effect of FGR rate on fuel consumption rate divided by evaporation rate as a parameter of boiler load at OFA damper openings of 10˚ 36
Fig. 6. Effect of FGR rate on fuel consumption rate divided by evaporation rate as a parameter of boiler load at OFA damper openings of 20˚ 37
Fig. 7. Effect of FGR rate on fuel consumption rate divided by evaporation rate as a parameter of boiler load at OFA damper openings of 30˚ 38
Fig. 8. Effect of FGR rate on flue gas temperature as a parameter of boiler load at OFA damper openings of 0˚ 39
Fig. 9. Effect of FGR rate on flue gas temperature as a parameter of boiler load at OFA damper openings of 10˚ 40
Fig. 10. Effect of FGR rate on flue gas temperature as a parameter of boiler load at OFA damper openings of 20˚ 41
Fig. 11. Effect of FGR rate on flue gas temperature as a parameter of boiler load at OFA damper openings of 30˚ 42
Fig. 12. Effect of FGR rate on NOx emissions as a parameter of boiler load at OFA damper openings of 0°(이미지참조) 46
Fig. 13. Effect of FGR rate on NOx emissions as a parameter of boiler load at OFA damper openings of 10°(이미지참조) 47
Fig. 14. Effect of FGR rate on NOx emissions as a parameter of boiler load at OFA damper openings of 20°(이미지참조) 48
Fig. 15. Effect of FGR rate on NOx emissions as a parameter of boiler load at OFA damper openings of 30°(이미지참조) 49
Fig. 16. Effect of FGR rate on CO emissions as a parameter of boiler load at OFA damper openings of 0˚ 50
Fig. 17. Effect of FGR rate on CO emissions as a parameter of boiler load at OFA damper openings of 10˚ 51
Fig. 18. Effect of FGR rate on CO emissions as a parameter of boiler load at OFA damper openings of 20˚ 52
Fig. 19. Effect of FGR rate on CO emissions as a parameter of boiler load at OFA damper openings of 30˚ 53
Fig. 20. Effect of FGR rate on soot emissions as a parameter of boiler load at OFA damper openings of 0˚ 54
Fig. 21. Effect of FGR rate on soot emissions as a parameter of boiler load at OFA damper openings of 10˚ 55
Fig. 22. Effect of FGR rate on soot emissions as a parameter of boiler load at OFA damper openings of 20˚ 56
Fig. 23. Effect of FGR rate on soot emissions as a parameter of boiler load at OFA damper openings of 30˚ 57
Photo. 1. FGR system installed in boiler 28