Effect of Quartzite Heat Treatment on Induction Furnace Lining Failure Mechanism
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The wear mechanism of a quartzite lining of induction crucible furnaces during iron and steel smelting is presented. It is established that the main cause of lining wear is a decrease in its strength due to transition of the tridymite joints into cristobalite, which is more readily washed off crucible walls by moving metal and slag. The second important factor of wear is the choice of quartzite raw material, its substance and grain size compositions, firing regime, and melting technology during furnace operation. Silicon reduction from silica of the carburizer lining and within the cast iron composition is a subsidiary factor of crucible lining wear.
Keywordsquartzite lining induction furnace crucible tridymite cristobalite intergrowth bonding agents silicon burning
Work was performed within the scope of theme No. 210 with financial support of the NIR PFNI RAN program for the period 2013 – 2020.
- 1.V. S. Shumikhin, P. P. Luzan, and M. V. Zhel’nis, Synthetic Cast Iron [in Russian], Naukova Dumka, Kiev (1971).Google Scholar
- 2.N. G. Girshovich (editor) Melting Synthetic Cast Iron in Induction Furnaces and its Technology in the Kaunas Casting Plant Tsentrolit [in Russian], Mintis, Vilnius (1974).Google Scholar
- 3.S. A. Farbman and I. F. Kolobnev, Induction Furnaces for Melting Metals and Alloys [in Russian], Metallurgiya, Moscow (1968).Google Scholar
- 4.M. E. Kononov, Refractories of Karelo-Kola Region Mineral Raw Material (V. A. Masloboev, editor) [in Russian], Apatity (1994).Google Scholar
- 5.A. S. Zavertkin and V. I. Tyaganova, “Development of refractory linings for heat storage and industrial furnaces,” Feol. Polez. Iskop. Karelii, No. 13, RAS Kareliya Scientific Center (2010).Google Scholar