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| ArticleName | A success story: RH vacuum process after 50 years of development |
| ArticleAuthor | F.-J. Hahn, I. Knopp, A. Ploch, C.-H. Schütz. |
| ArticleAuthorData | F.-J. Hahn, I. Knopp, A. Ploch, C.-H. Schütz, folker.baumann@thyssenkrupp.com. |
| Abstract | The growing steel demand originated in impulse of innovation in process development and plant design. Caused by demands of steel consumers for improved material properties as well as by economic reasons the RH vacuum process was developed; in 1958 it was applied for the first time at the steelmaking shop of the Hattinger Henrichshütte and thereafter became one of the most important processes of the secondary metallurgy. Up to now more than 200 plants have been built applying the RH-principle worldwide. |
| keywords | RH vacuum processes, steelmaking, secondary metallurgy, recirculation, oxygen blowing, degassing, carbon content. |
| References | 1. Bessemer, H.: US-Patent 49051 vom 25. Juli 1865. 2. Williams, C. E.: US-Patent 2387793 vom 12. März 1931. 3. Lorenz, A.: Deutsches Patent 1216904 vom 3. April 1957. 4. Hupfer, P.: TU Clausthal, 7. Jan. 1971 (Dr.-Ing.-Diss.). 5. Hupfer, P.; Abratis, H.; Maas, H.; Wahlster, M.: Arch. Eisenhüttenw. 24(1971), S. 761/67. 6. Werkszeitschrift Ruhrstahl (1959) Nr. 4, S. 4/7. 7. Thielmann, H.; Maas, H.: stahl u. eisen 79 (1959), S. 276/82. 8. Maas, H.: Electric Furnace Conference, Pittsburgh, USA, 1961. 9. Messing, T.: TH Aachen, 1956 (Dr.-Diss.). 10. Werkszeitschrift ATH-Ruhrort, 1968. 11. Haastert, H.; Hahn, F.-J.: Tagungsbericht, stahl u. eisen 112 (1992) Nr. 5, S. 127/29. 12. Bauer, H. G.; Etterich, O.; Fleischer, H.-J.; Otto, J.: stahl u. eisen 90 (1970), S. 725/35. 13. Hahn, F.-J.: TU Clausthal, 14. Mai 1980 (Dr.-Diss.). 14. Maas, H.; Hahn, F.-J.: US-Patent 4104057 vom 1. Aug. 1978. 15. Fritz, R.; Haastert, H. P.; Hahn, F.-J; Landt, W.; Maas, H.: Fachber. Hüttenpraxis Metallverarb. 25 (1987) Nr. 10, S. 945/57. 16. Hahn, F.-J.; Haastert, H. P.: stahl u. eisen 113 (1993) Nr. 12, S. 103/108. 17. Yamamoto, Z.; Nakagawa, H.; Shima, I.: 3. Intern. Iran and Steel Congress, Chicago, USA, 16.–20. April 1978. 18. Knopp, I.: SMS-Mevac-Symposium, Moskau, Russland, Juli 2004. 19. Kakihara, S.; Sudo, F.; Fujii, T.: Blasstahlkonferenz Straβburg, 4.–6. Juni 1984. 20. Schütz, C.-H.; Liebig, H.; Knopp, I.; Ahrenhold, F.: stahl u. eisen 123 (2003) Nr. 11, S. 61/65. 21. Knopp, I.; Liebig, H.; Schütz, C.-H.: stahl u. eisen 128 (2008) Nr. 2, S. 21/26. |
| Language of full-text | russian |
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