Practical Combustion Methods Used in Industries - High Temperature Air Combustion: From Energy Conservation to Pollution Reduction - page 242

TABLE 4.5
Examples of NO x in Continuous Reheating Furnace

Operating
Temperature,
K(˚C)

NO x Generation
(Equivalent to 11%
O 2 ), ppm No. Furnace Type Fuel Remarks

1. Continuous WBF LNG 1373 (1100) 89 Regeneration in all

zones

2. Continuous WBF Mix Gas 1423 (1150) 77 Regeneration in

preheating zone

3. Continuous WBF LNG 1323 (1050) 82 Regeneration in all

zones

4. Continuous WBF C-Heavy Oil 1323 (1050) 36 Regeneration in all

zones

5. Continuous WBF LNG 1483 (1210) 72 Regeneration in

preheating zone

6. Continuous WBF Mix Gas 1423 (1150) 30 Regeneration in

preheating zone

7. Continuous PF LNG 1623 (1350) 40 Regeneration in all

lower zones

8. Continuous WBF COG 1453 (1180) 34 Regeneration in

preheating zone

Note : WBF: Walking beam furnace, PF: Pusher furnace.

REFERENCES

1. Y. Matsuoka, Global warming measures valued from energy demand, paper presented

to the Science Council of Japan, 1997.

2. T. Iron and S. I. of Japan, Eds., Recent Hot Strip Production Technology in Japan ,

p. 200, 1987.

3. H. C. Hottel and A. F. Sarofim, Radiative Transfer , McGraw-Hill, New York, 1967.

4. M. Uede, K. Tanaka, M. Imada, and K. Murakami, Proc. IJPGC Conf., 15082, 2000.