{"id":2148,"date":"2026-07-03T06:22:01","date_gmt":"2026-07-03T06:22:01","guid":{"rendered":"https:\/\/hanmetallurgy.com\/?post_type=product&p=2148"},"modified":"2026-07-03T06:22:01","modified_gmt":"2026-07-03T06:22:01","slug":"ferrosilicon-smelting-furnace","status":"publish","type":"product","link":"https:\/\/luzixinzuonew.han-light.com\/index.php\/product\/ferrosilicon-smelting-furnace\/","title":{"rendered":"Ferrosilicon Smelting Furnace"},"content":{"rendered":"
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Ferrosilicon Smelting Furnace<\/h1>\n
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High-Efficiency FeSi Production by HANI Metallurgy<\/p>\n<\/div>\n

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The Engine of Modern Steel Deoxidation<\/h2>\n

The Ferrosilicon Smelting Furnace<\/strong> is a vital metallurgical unit used for the production of ferrosilicon alloys, which are essential deoxidizers and alloying elements in the steel and cast iron industries. As a specialized Ferrosilicon Furnace<\/strong>, it typically utilizes the carbothermic reduction of silica (quartz) in the presence of iron scrap or iron-containing ores. At HANI<\/strong>, we have optimized the FeSi smelting<\/strong> process to achieve high silicon recovery and consistent alloy grades, such as FeSi75 and FeSi72. Our SAF for ferrosilicon<\/strong> is engineered with advanced electrical and mechanical systems, providing a reliable and energy-efficient platform for large-scale production.<\/p>\n

A HANI Ferrosilicon Smelting Furnace<\/strong> is designed for high uptime and precise temperature control. The Ferrosilicon Furnace<\/strong> operates under a semi-enclosed or fully enclosed design, utilizing the submerged arc smelting process where the heat is concentrated in the hearth to facilitate the reduction of SiO2. By integrating innovative furnace shell rotation technology and advanced PLC-based automation, HANI\u2019s FeSi smelting<\/strong> units ensure uniform heat distribution and high productivity. Our SAF for ferrosilicon<\/strong> is the industry standard for durability, featuring robust refractory linings and high-efficiency water-cooling systems.<\/p>\n<\/div>\n

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Technical Specifications of HANI Ferrosilicon Furnace<\/h2>\n
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Model Feature<\/th>\nUnit<\/th>\nHANI-FeSi12.5<\/th>\nHANI-FeSi25.5<\/th>\nHANI-FeSi33.0<\/th>\nHANI-FeSi45.0<\/th>\n<\/tr>\n<\/thead>\n
Transformer Capacity<\/td>\nMVA<\/td>\n12.5<\/td>\n25.5<\/td>\n33.0<\/td>\n45.0<\/td>\n<\/tr>\n
Silicon Recovery<\/td>\n%<\/td>\n\u226592%<\/td>\n\u226594%<\/td>\n\u226595%<\/td>\n\u226596%<\/td>\n<\/tr>\n
Power Consumption (75% Si)<\/td>\nkWh\/t<\/td>\n8200-8800<\/td>\n8000-8500<\/td>\n7800-8300<\/td>\n7600-8000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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Chemical Process of Ferrosilicon Smelting<\/h2>\n

The core reaction in the Ferrosilicon Smelting Furnace<\/strong> is the reduction of silicon dioxide (SiO2) with carbon (C) in the presence of iron (Fe). This process in the Ferrosilicon Furnace<\/strong> requires temperatures exceeding 1800\u00b0C. HANI’s FeSi smelting<\/strong> technology optimizes this reduction by using high-quality coke and coal as reductants and managing the iron scrap feed in the SAF for ferrosilicon<\/strong> to achieve the target alloy grade.<\/p>\n

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Principal Smelting Reactions:<\/p>\n

1. SiO2<\/sub> + 2C + Fe \u2192 FeSi + 2CO (Overall Reaction)
\n2. SiO2<\/sub> + C \u2192 SiO + CO (Intermediate Gas Formation)
\n3. SiO + C \u2192 Si + CO (Silicon Reduction)<\/p>\n<\/div>\n

To achieve high silicon recovery in the Ferrosilicon Smelting Furnace<\/strong>, the capture of SiO gas within the material layer is critical. HANI’s FeSi smelting<\/strong> process utilizes specifically sized quartz and carbon reductants to maintain high porosity in the SAF for ferrosilicon<\/strong> charge. Our advanced automated batching system ensures that the ratio of SiO2, carbon, and iron is perfectly balanced for optimal furnace performance.<\/p>\n<\/div>\n

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Key Advantages of HANI Ferrosilicon Technology<\/h2>\n