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TECHNICAL PAPERS

Some Studies on Energy Savings in Sponge Iron Plants

[+] Author and Article Information
D. K. Biswas

IRM Division, National Metallurgical Laboratory, Jamshedpur 831 007, India

S. R. Asthana

Process Development Division, National Chemical Laboratory, Pune 411 008, India

V. G. Rau

Electrical Engineering Department, Indian Institute of Technology, Kharagpur 721 302, India

J. Energy Resour. Technol 125(3), 228-237 (Aug 29, 2003) (10 pages) doi:10.1115/1.1577601 History: Received April 01, 2000; Revised December 01, 2002; Online August 29, 2003
Copyright © 2003 by ASME
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References

Serbent,  H., and Dayal,  R., 1977, “Basic Principles, Process Characteristics and Industrial Application of Rotary Kiln Iron Ore Reduction,” Transaction of the Indian Institute of the Metals, 10(4), pp. 246–254.
Lepinski, J. A., 1980, “The ACCR System and its Application to Direct Reduction of Iron Ore,” Iron and Steel Engineer, pp. 25–30.
Chatterjee, A., and Singh, R., 1981, “A Confident Future as Coal based DR Approaches Maturity,” Iron and Steel International, pp. 79–87.
Ulrich,  K. H., and Nanschuly,  D., 1983, “Latest Development at Krupp in the use of Coal for Direct Reduction,” Steel Times, 211(7), pp. 366–368.
, “DRC Technology from Dave Mckee (Stocklon) Ltd.,” 1983, Scaw Metal Coal Fuelled DR Plant at Germiston; South Africa, Steel Times, 211(7), pp. 369–370.
Biswas,  D. K., 1993, “Some Design Aspects of Pneumatic Coal Injector for Coal based Direct Reduction Process in Rotary Kiln,” Powder Handling and Processing Trans. Tech., 5(2), pp. 145–152.
Brimacombe,  J. K., and Watkinson,  A. P., 1978, “Heat Transfer in Direct Fired Rotary Kiln; I Pilot Plant and Experimentation and II, Heat Flow Results and their Interpretation,” Metallurgical Transaction B, 9, pp. 201–218.
Schlebush, D. W., 1981, “The Present State of SL/RN Coal Based Direct Reduction,” Report from LURGI, West Germany.
Chatterjee,  A., and Biswas,  D. K., 1989, “Axial Rotary and Radial Injection of Air in the Preheating Zone of a Kiln,” Transactions of the Indian Institutes of Metals, 42(3), pp. 281–289.
Krivandin, V. A., and Markov, B. L., 1980, “Metallurgical Furnaces,” MIR Publisher, Moscow.
Holman, J. P., 1989, Heat Transfer, McGraw Hill Book Co., New York.
United States Steel, 1985, “The Making, Shaping and Treating of Steel,” 10th edition, Association of Iron and Steel Engineers, Pennsylvania, U.S.A.
Perry, J., 1984, Chemical Engineering Handbook, 8th edition, McGraw Hill Publication, New York.
“SL/RN Coal Based DR, Technology from Lurgi at ISCOR,” 1983, New Zealand Steel Times, 211 (7), pp. 371–372.
Brook N., 1971, “Mechanics of Bulk Material Handling,” Butterworth & Co. (Publisher) Ltd., London.
Jain, R. K., 1980, Machine Design, Khanna Publishers, Delhi.
Ballaney, P. L., 1976, Thermal Engineering, Khanna Publishers, Delhi.
Krivchenko, G. T., 1986, Hydraulic Machines Turbine and Pumps, MIR Publications, Moscow.

Figures

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Operating principles of process concerning noncoking coal based direct reduction in a rotary kiln
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The kiln seal arrangement
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Heat flow path in a rotary kiln
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Schematic of proposed air distribution system
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Schematic of air jet sealing
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Details of energy savings in 100 TPD DR sponge iron plant
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Details of energy savings in 200 TPD DR sponge iron plant
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Details of energy savings in 300 TPD DR sponge iron plant
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Details of energy savings in 400 TPD DR sponge iron plant

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