SR Smelting Furnace

  VD vacuum induction furnace is a kind of equipment used for vacuum refining of molten steel. It has vacuum degassing, decarburization and refining functions, which can effectively remove impurities in molten steel and improve the quality of steel.  It is commonly used in the production of stainless steel, manganese steel and ultra-low carbon alloy steel. Its characteristics include the use of a three-phase industrial frequency stirring power supply system to make the liquid alloy composition more uniform, while being able to produce high-quality alloy materials. It can handle 5 tons to 300 tons of molten steel, and the structural forms include tank cover type and tank car type. While the VD furnace passes through the vacuum environment, the VOD type vacuum ladle refining furnace also has the functions of decarburization, deoxidation, and dehydrogenation. Characteristics of Vacuum Induction Furnace The vacuum induction furnaces is mainly used for vacuum refining and has good ...

  The medium frequency induction furnace is a special smelting equipment suitable for smelting high-quality steel and alloys. It has the advantages of fast melting speed, high production efficiency, strong adaptability, flexible use, good electromagnetic stirring effect, convenient startup operation, and molten steel covered by slag (reducing atmospheric pollution to molten steel). It uses the principle of electromagnetic induction, with fast and uniform heating speed. Its widely used in metal smelting, heat treatment, forging heating and other fields. It is suitable for a variety of metals, including carbon steel, alloy steel, copper and aluminum. It has a wide range of applications, including heat treatment (such as quenching, annealing, tempering) and hot forming (such as forging, hot upsetting). Due to its energy saving, environmental protection and easy operation, the medium frequency induction furnaces has an important position in industrial production. Composition of Medium ...

Ladle Refining Furnace ( LRF, LF ) is an important equipment in steel smelting. It is mainly used for secondary refining of molten steel after primary refining in converter or electric furnace to improve the purity of molten steel, adjust the composition and temperature. Its working characteristics are as follows: Features of Ladle Refining Furnace 1. Diversified functions Precise composition control: Through alloy fine-tuning, the composition of molten steel (such as C, Si, Mn, etc.) can be accurately adjusted to meet the requirements of different steel grades. Temperature uniformity: Through arc heating to compensate for temperature drop, ensure uniform temperature of molten steel (usually controlled within ±5℃) to meet continuous casting requirements. Desulfurization & deoxidation: Through the production of reducing slag (such as CaOAl₂O₃-based slag) and argon blowing and stirring, deep desulfurization (can be reduced to below 0.005%) and deoxidation. Inclusion removal: Throu...

The manganese silicon alloy submerged arc furnace is a submerged arc furnaces specially used for the production of manganese silicon alloy (an important ferroalloy, the main components of which are manganese, silicon and iron). Its characteristics are mainly reflected in the following aspects. Characteristics of Manganese Silicon Alloy Submerged Arc Furnace 1. High temperature reduction smelting The production of manganese silicon alloy requires high temperature (usually the temperature in the furnace can reach 14001600℃) and a strong reducing atmosphere to reduce the oxides of manganese and silicon (such as MnO₂, SiO₂) to metal. The submerged arc furnaces provides a high temperature environment through arc and resistance heating, and relies on carbonaceous reducing agents (such as coke) to complete the reduction reaction. 2. Furnace structure Closed or semi-closed SAF is usually used to reduce smoke emissions and heat energy loss, while recovering coal gas (such as CO) as energy. The ...

Electric arc furnace for steelmaking uses electricity as a heat source to make steel. It relies on the electric arc generated by the discharge between the electrode and the charge. By utilizing the arc heat, the electric energy is converted into heat energy in the arc light in the arc action zone, and the temperature can reach up to 4000℃. With the help of arc radiation and the direct action of the arc, the metal charge and slag are heated and melted to smelt various qualified steels and alloys. Electric Arc Furnace For Steelmaking Characteristics (1) The electric furnace uses electricity as a heat source to avoid the pollution of molten steel by burning fuel, and has a high thermal efficiency of more than 65%;  (2) During metal smelting, the temperature of the smelting pool is high and easy to control, which meets the requirements of smelting different types of steel; (3) The power input to the molten pool is easy to adjust due to the electric heat conversion, so its easy to real...