The effects of technological conditions on the electric arc furnace for the reduction smelting of SiO2 to produce Si-metal are analysed by considering the relationship between temperature and PSiO/PCO for the relevant reactions in the equilibrium gas phase during which SiO2 is reduced to Si. To achieve a high Si output, low energy consumption and for improving the overall process, several technical measures are proposed using the equilibrium state diagram model.
LIANGY. and LIANGL-K.: ‘Review and prospect of the metal silicon production in China (in Chinese). Ferro-Alloy, 1998, 1, 42–47.
2.
HAUKSDOTTIRA. S., ANNAS., GESTSSONA. and VESTEINSSONA.: ‘Submerged-arc ferrosilicon furnace simulator: validation for different furnaces and operating ranges’, Control Eng. Pract., 1998, 6, 1035–1042.
3.
HEY-P. and WANGE-H.: ‘Silicon-petal products (in Chinese)’, Metallurgical Industry Press/Metallurgy Industry Publishing Company, 1996, 2–10.
4.
HEY-P.: ‘Silicon-metal smelting process (in Chinese)’, Northeastern University Press/Northeast Industry Institute Publishing Company, 1988, 21–28.
5.
HEY-P.: ‘The relationship between cast-house operation and metal silicon's high output, good quality and low consumption (in Chinese)’, Ferro-Alloy, 2002, 2, 20–24.
6.
LIUH-G.: ‘Measures of low ferrous composition in silicon metal (in Chinese)’, Light Metal, 2001, 3, 48–51.
7.
INGASONH. T. and JONSSONG. R.: ‘Control of the silicon ratio in ferrosilicon production’, Control Eng. Pract., 1998, 6, 1015–1020.
8.
BUQT. VIDEM, GRAYR. J. and PATALSKYR. M.: ‘Reactivity and petrography of cokes for ferrosilicon and silicon production’, Int. J Coal Geol., 2000, 43, 243–256.
9.
LIC.: ‘Industrial testing of an electric and coal-fired furnace for manufacture of ferrosilicon’, Fuel Energy Abstr., 1997, 38, 179.
10.
RONGTANG: ‘Discussion on parameters of PCD of metal silicon furnace (in Chinese)’, Ferro-Alloy, 1994, 2, 28–30.
11.
LIW-S., WANGL., WANGZ-P., KANGW ‘The control of electric reduction Si-metal furnace's balance (in Chinese)’, Metal. Automat., 2004, 8, 231.